{"id":3192,"date":"2026-06-03T09:11:02","date_gmt":"2026-06-03T09:11:02","guid":{"rendered":"https:\/\/gearboxesworm.xyz\/product\/wpa-single-speed-cast-iron-worm-gearbox-wp-series\/"},"modified":"2026-06-03T09:11:04","modified_gmt":"2026-06-03T09:11:04","slug":"wpa-single-speed-cast-iron-worm-gearbox-wp-series","status":"publish","type":"product","link":"https:\/\/gearboxesworm.xyz\/vi\/san-pham\/wpa-single-speed-cast-iron-worm-gearbox-wp-series\/","title":{"rendered":"WPA Single Speed Cast Iron Worm Gearbox \u2014 WP Series"},"content":{"rendered":"<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"WPA WP Series Cast Iron Worm Gearbox\",\n    \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"Ever-power\"\n    },\n    \"description\": \"Ever-power WPA single-speed cast iron worm gearbox. Standard horizontal base mounting, bilateral input shaft option. Sizes 40\\u2013250mm, ratio 1\\\/5\\u20131\\\/60, ISO 9001 certified.\",\n    \"material\": \"FC20+ grey cast iron housing, tin-bronze worm wheel\",\n    \"category\": \"Cast Iron Worm Gearbox\",\n    \"offers\": {\n        \"@type\": \"Offer\",\n        \"priceCurrency\": \"USD\",\n        \"price\": \"0\",\n        \"priceSpecification\": {\n            \"description\": \"Contact for quote\"\n        },\n        \"availability\": \"https:\\\/\\\/schema.org\\\/InStock\"\n    }\n}<\/script><\/p>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(13px,1.5vw,16px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;\">\n<h2 style=\"color:#1a4a7a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a4a7a;padding-bottom:8px;margin-top:28px;\">WPA Cast Iron Worm Gearbox \u2014 Product Overview<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:20px;align-items:flex-start;\">\n<div style=\"flex:1 1 60%;word-break:break-word;\">\n<p style=\"margin:0 0 14px 0;\">When conveyor systems, packaging lines, and material handling equipment demand precise, repeatable speed reduction with long service life, the <strong>WPA Single Speed Cast Iron Worm Gearbox<\/strong> delivers. Built on a standard foot-mount platform with horizontal input and output shafts, the WPA is the benchmark cast iron worm gearbox used across Australian manufacturing, agricultural machinery, and industrial processing equipment. Its solid integral cast iron housing (FC20+) provides superior rigidity and vibration damping under sustained loads up to 2,371 Nm, making it the workhorse choice when reliability over 50,000+ hours of operation is non-negotiable.<\/p>\n<p style=\"margin:0;\"><a href=\"\/vi\/contact-us\/\" style=\"color:#1a4a7a;font-weight:bold;text-decoration:underline;\">&#9993; Request a Quote<\/a> &nbsp;|&nbsp; <a href=\"\/vi\/about-us\/\" style=\"color:#1a4a7a;text-decoration:underline;\">Gi\u1edbi thi\u1ec7u v\u1ec1 Everpower<\/a><\/p>\n<\/div>\n<div style=\"flex:1 1 35%;min-width:200px;\">\n<img decoding=\"async\" src=\"https:\/\/gearboxesworm.xyz\/wp-content\/uploads\/2026\/06\/WPA-single-speed-worm-gearbox.webp\" alt=\"WPA single speed cast iron worm gearbox reducer\" style=\"max-width:100%;height:auto;border-radius:6px;box-shadow:0 2px 8px rgba(0,0,0,0.15);\">\n<\/div>\n<\/div>\n<\/div>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(13px,1.5vw,16px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;\">\n<h2 style=\"color:#1a4a7a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a4a7a;padding-bottom:8px;margin-top:28px;\">Technical Specifications \u2014 WPA<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/gearboxesworm.xyz\/wp-content\/uploads\/2026\/06\/WPA-single-speed-worm-reducer-dimension.webp\" alt=\"WPA worm gearbox dimension drawing specification\" style=\"max-width:100%;height:auto;margin:12px 0 18px;border-radius:4px;\"><\/p>\n<h3 style=\"color:#1a4a7a;font-size:clamp(15px,2vw,19px);font-family:Arial,sans-serif;margin-top:20px;\">Key Parameters<\/h3>\n<div style=\"overflow-x:auto;margin:12px 0;\">\n<table style=\"width:100%;border-collapse:collapse;min-width:320px;\">\n<thead>\n<tr>\n<th style=\"padding:9px 10px;background:#1a4a7a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,14px);\">Parameter<\/th>\n<th style=\"padding:9px 10px;background:#1a4a7a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,14px);\">Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\"><strong>Series<\/strong><\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">Single Speed<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;font-size:clamp(12px,1.3vw,14px);\"><strong>Housing Structure<\/strong><\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;font-size:clamp(12px,1.3vw,14px);\">Solid integral cast iron<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\"><strong>Input Configuration<\/strong><\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">Solid shaft (below or above)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;font-size:clamp(12px,1.3vw,14px);\"><strong>Output Configuration<\/strong><\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;font-size:clamp(12px,1.3vw,14px);\">Solid shaft (horizontal)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\"><strong>Reduction Ratio<\/strong><\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">1\/5\u20131\/60<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;font-size:clamp(12px,1.3vw,14px);\"><strong>Centre Distance Size<\/strong><\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;font-size:clamp(12px,1.3vw,14px);\">40\u2013250 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\"><strong>Mounting<\/strong><\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">Foot-mount base (B3, B6, B7, B8)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;font-size:clamp(12px,1.3vw,14px);\"><strong>Housing Material<\/strong><\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;font-size:clamp(12px,1.3vw,14px);\">FC20+ grey cast iron (GG20)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\"><strong>Worm Wheel Material<\/strong><\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">Tin-bronze alloy (ZCuSn10Pb1)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;font-size:clamp(12px,1.3vw,14px);\"><strong>Worm Shaft Material<\/strong><\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;font-size:clamp(12px,1.3vw,14px);\">20CrMnTi case-hardened steel, 55\u201360 HRC surface<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\"><strong>Lubrication<\/strong><\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">N220\u2013N320 mineral oil (\u221230\u00b0C to 40\u00b0C); N320\u2013N460 (40\u00b0C to 65\u00b0C)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;font-size:clamp(12px,1.3vw,14px);\"><strong>Max Oil Temperature<\/strong><\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;font-size:clamp(12px,1.3vw,14px);\">95\u00b0C continuous<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\"><strong>Weight Range<\/strong><\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">4\u2013360 kg<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;font-size:clamp(12px,1.3vw,14px);\"><strong>Special Feature<\/strong><\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;font-size:clamp(12px,1.3vw,14px);\">Standard horizontal base mounting, bilateral input shaft option<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 style=\"color:#1a4a7a;font-size:clamp(15px,2vw,19px);font-family:Arial,sans-serif;margin-top:20px;\">Size &#038; Performance Data<\/h3>\n<div style=\"overflow-x:auto;margin:12px 0;\">\n<table style=\"width:100%;border-collapse:collapse;min-width:500px;\">\n<thead>\n<tr>\n<th style=\"padding:9px 10px;background:#1a4a7a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,13px);white-space:nowrap;\">Size<\/th>\n<th style=\"padding:9px 10px;background:#1a4a7a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,13px);white-space:nowrap;\">Ratio<\/th>\n<th style=\"padding:9px 10px;background:#1a4a7a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,13px);white-space:nowrap;\">Input Power (kW)<\/th>\n<th style=\"padding:9px 10px;background:#1a4a7a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,13px);white-space:nowrap;\">Output Torque (Nm)<\/th>\n<th style=\"padding:9px 10px;background:#1a4a7a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,13px);white-space:nowrap;\">A (mm)<\/th>\n<th style=\"padding:9px 10px;background:#1a4a7a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,13px);white-space:nowrap;\">AB (mm)<\/th>\n<th style=\"padding:9px 10px;background:#1a4a7a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,13px);white-space:nowrap;\">B (mm)<\/th>\n<th style=\"padding:9px 10px;background:#1a4a7a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,13px);white-space:nowrap;\">BB (mm)<\/th>\n<th style=\"padding:9px 10px;background:#1a4a7a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,13px);white-space:nowrap;\">Oil (L)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">40<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">0.48\u20130.12<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">17\u201326<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">143<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">87<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">114<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">74<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">0.13\u20130.30<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">50<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">0.80\u20130.20<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">28\u201343<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">175<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">108<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">150<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">97<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">0.17\u20130.45<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">60<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">1.25\u20130.32<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">45\u201370<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">198<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">120<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">168<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">112<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">0.22\u20130.55<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">70<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">1.95\u20130.52<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">70\u2013113<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">231<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">140<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">194<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">131<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">0.60\u20130.80<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">80<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">2.65\u20130.75<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">95\u2013163<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">261<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">160<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">214<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">142<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">0.85\u20131.10<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">100<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">4.45\u20131.00<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">170\u2013229<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">322<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">190<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">254<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">169<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">1.50\u20132.90<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">120<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">6.15\u20131.50<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">242\u2013355<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">371<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">219<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">282<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">190<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">3.20\u20134.40<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">135<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">11.25\u20132.30<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">460\u2013562<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">422<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">249<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">317<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">210<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">3.60\u20136.20<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">155<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">14.50\u20133.00<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">655\u2013791<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">497<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">295<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">382<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">252<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">3.70\u20136.50<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">175<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">21.50\u20134.07<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">823\u20131078<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">534<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">314<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">388<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">255<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">4.60\u20138.00<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">200<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">22.60\u20135.58<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">1280\u20131449<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">580<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">342<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">456<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">319<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">6.50\u20139.30<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">250<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">33.20\u20138.62<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">1881\u20132371<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">703<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">420<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">552<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">385<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">9.00\u201318.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(13px,1.5vw,16px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;\">\n<h2 style=\"color:#1a4a7a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a4a7a;padding-bottom:8px;margin-top:28px;\">Product Structure<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/gearboxesworm.xyz\/wp-content\/uploads\/2026\/06\/wp-series-cast-iron-worm-reducer-structure.webp\" alt=\"WPA worm gearbox internal structure components\" style=\"max-width:100%;height:auto;margin:12px 0;border-radius:6px;\"><\/p>\n<p style=\"margin:0 0 14px;\">The WP series cast iron worm gearbox is built from precision-manufactured components, each selected for maximum performance and longevity:<\/p>\n<div style=\"display:flex;flex-wrap:wrap;gap:14px;margin:14px 0;\">\n<div style=\"flex:1 1 45%;min-width:220px;padding:3%;background:#f8f9fa;border-radius:6px;box-sizing:border-box;\">\n<strong style=\"color:#1a4a7a;\">&#9632; Housing (Box Body)<\/strong><br \/>FC20+ grey cast iron, precision-machined mounting faces, integrated air vent, oil gauge boss, and drain plug.\n<\/div>\n<div style=\"flex:1 1 45%;min-width:220px;padding:3%;background:#f8f9fa;border-radius:6px;box-sizing:border-box;\">\n<strong style=\"color:#1a4a7a;\">&#9632; Worm Shaft (Input Shaft)<\/strong><br \/>20CrMnTi case-hardened steel, precision-ground thread profile, 55\u201360 HRC surface hardness. Supported by twin tapered roller bearings.\n<\/div>\n<div style=\"flex:1 1 45%;min-width:220px;padding:3%;background:#f8f9fa;border-radius:6px;box-sizing:border-box;\">\n<strong style=\"color:#1a4a7a;\">&#9632; Worm Wheel<\/strong><br \/>Tin-bronze alloy ZCuSn10Pb1, precision hobbed tooth profile, press-fitted to cast iron hub. Provides superior anti-galling properties in the worm mesh.\n<\/div>\n<div style=\"flex:1 1 45%;min-width:220px;padding:3%;background:#f8f9fa;border-radius:6px;box-sizing:border-box;\">\n<strong style=\"color:#1a4a7a;\">&#9632; Output Shaft<\/strong><br \/>45# alloy steel, heat treated to 250\u2013280 HB, precision-machined keyway, supported by deep groove ball bearings or tapered rollers (size-dependent).\n<\/div>\n<div style=\"flex:1 1 45%;min-width:220px;padding:3%;background:#f8f9fa;border-radius:6px;box-sizing:border-box;\">\n<strong style=\"color:#1a4a7a;\">&#9632; Sealing System<\/strong><br \/>National oil seal lips on all shaft exits. O-ring seal on housing joints. Eliminates contamination ingress and prevents lubricant loss.\n<\/div>\n<div style=\"flex:1 1 45%;min-width:220px;padding:3%;background:#f8f9fa;border-radius:6px;box-sizing:border-box;\">\n<strong style=\"color:#1a4a7a;\">&#9632; Bearings<\/strong><br \/>All bearings are premium-grade (C3 clearance class), selected for the specific radial and axial load profile of each shaft position and operating configuration.\n<\/div>\n<\/div>\n<\/div>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(13px,1.5vw,16px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;\">\n<h2 style=\"color:#1a4a7a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a4a7a;padding-bottom:8px;margin-top:28px;\">Core Features &amp; Benefits<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:16px;margin:16px 0;\">\n<div style=\"flex:1 1 43%;min-width:260px;max-width:480px;padding:calc(2%+8px);background:#fff;border:1px solid #1a4a7a22;border-left:4px solid #1a4a7a;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a4a7a;margin:0 0 8px;\">&#9632; Solid Integral FC20+ Cast Iron Housing<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">The WPA housing is precision-machined from high-tensile FC20 grey cast iron, providing 3\u00d7 the vibration damping of aluminium housings. This rugged construction absorbs shock loads in conveyor and agricultural applications, reducing bearing wear and extending service life beyond 50,000 hours.<\/p>\n<\/div>\n<div style=\"flex:1 1 43%;min-width:260px;max-width:480px;padding:calc(2%+8px);background:#fff;border:1px solid #1a4a7a22;border-left:4px solid #1a4a7a;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a4a7a;margin:0 0 8px;\">&#9632; Precision-Ground Worm Shaft &#038; Bronze Wheel<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">The carburised and hardened steel worm shaft (55\u201360 HRC surface) meshes with a tin-bronze worm wheel, delivering 60\u201390% transmission efficiency across the 1\/5\u20131\/60 ratio range with noise levels below 68 dB(A) at rated load.<\/p>\n<\/div>\n<div style=\"flex:1 1 43%;min-width:260px;max-width:480px;padding:calc(2%+8px);background:#fff;border:1px solid #1a4a7a22;border-left:4px solid #1a4a7a;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a4a7a;margin:0 0 8px;\">&#9632; Foot-Mount Simplicity \u2014 4-Bolt Base<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">The WPA&#8217;s standard 4-bolt base plate (B3 orientation) drops directly into existing conveyor frame mounting patterns, eliminating custom brackets. B6, B7, B8 orientations available for angled installations.<\/p>\n<\/div>\n<div style=\"flex:1 1 43%;min-width:260px;max-width:480px;padding:calc(2%+8px);background:#fff;border:1px solid #1a4a7a22;border-left:4px solid #1a4a7a;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a4a7a;margin:0 0 8px;\">&#9632; Bilateral Input Shaft \u2014 Flexible Motor Positioning<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">The WPA accepts motor connections from either side of the input shaft, giving installers left- or right-hand motor positioning without purchasing a separate mirrored unit.<\/p>\n<\/div>\n<div style=\"flex:1 1 43%;min-width:260px;max-width:480px;padding:calc(2%+8px);background:#fff;border:1px solid #1a4a7a22;border-left:4px solid #1a4a7a;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a4a7a;margin:0 0 8px;\">&#9632; Oil Gauge &#038; Drain Plug Standard<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">Integrated oil level gauge and bottom drain plug simplify routine oil changes (every 2,500 hours), reducing planned maintenance downtime.<\/p>\n<\/div>\n<div style=\"flex:1 1 43%;min-width:260px;max-width:480px;padding:calc(2%+8px);background:#fff;border:1px solid #1a4a7a22;border-left:4px solid #1a4a7a;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a4a7a;margin:0 0 8px;\">&#9632; Full Size Range: 40\u2013250 Centre Distance<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">Available in 12 standard sizes from centre distance 40 mm to 250 mm, covering input powers from 0.12 kW to 33 kW and output torques from 4 Nm to 2,371 Nm.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(13px,1.5vw,16px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;\">\n<h2 style=\"color:#1a4a7a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a4a7a;padding-bottom:8px;margin-top:28px;\">Industry Applications \u2014 WPA<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/gearboxesworm.xyz\/wp-content\/uploads\/2026\/06\/cast-iron-single-speed-worm-gearboxes.webp\" alt=\"cast iron single speed worm gearboxes industrial applications\" style=\"max-width:100%;height:auto;margin:12px 0;border-radius:6px;\"><\/p>\n<div style=\"display:flex;flex-wrap:wrap;gap:16px;margin:16px 0;\">\n<div style=\"flex:1 1 40%;min-width:240px;max-width:460px;padding:calc(2%+8px);background:#f8f9fa;border-radius:8px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a4a7a;margin:0 0 8px;\"><span style=\"font-size:1.3em;\">&#9866;<\/span> Conveyor &#038; Material Handling<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">Drives belt conveyors, chain conveyors, and screw conveyors in mining, quarrying, and logistics distribution centres. The WPA foot-mount design simplifies installation on standard conveyor frames.<\/p>\n<\/div>\n<div style=\"flex:1 1 40%;min-width:240px;max-width:460px;padding:calc(2%+8px);background:#f8f9fa;border-radius:8px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a4a7a;margin:0 0 8px;\"><span style=\"font-size:1.3em;\">&#9783;<\/span> Agricultural Machinery<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">Powers grain augers, seed drills, irrigation pump drives, and harvester feed mechanisms. Cast iron durability withstands the vibration and dust of outdoor Australian farm operations year-round.<\/p>\n<\/div>\n<div style=\"flex:1 1 40%;min-width:240px;max-width:460px;padding:calc(2%+8px);background:#f8f9fa;border-radius:8px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a4a7a;margin:0 0 8px;\"><span style=\"font-size:1.3em;\">&#9876;<\/span> Food &#038; Beverage Processing<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">Drives mixing paddles, filling machine indexers, and bottling conveyor lines where the WPA&#8217;s smooth operation and low noise floor are critical for product quality consistency.<\/p>\n<\/div>\n<div style=\"flex:1 1 40%;min-width:240px;max-width:460px;padding:calc(2%+8px);background:#f8f9fa;border-radius:8px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a4a7a;margin:0 0 8px;\"><span style=\"font-size:1.3em;\">&#9874;<\/span> Packaging Automation<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">Provides accurate speed reduction for carton forming, wrapping machine drives, and palletiser turntables where ratio precision from 1\/5 to 1\/60 covers the full packaging speed range.<\/p>\n<\/div>\n<div style=\"flex:1 1 40%;min-width:240px;max-width:460px;padding:calc(2%+8px);background:#f8f9fa;border-radius:8px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a4a7a;margin:0 0 8px;\"><span style=\"font-size:1.3em;\">&#9881;<\/span> Pump &#038; Fan Drives<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">Reduces high-speed motor output to pump shaft speed in water treatment, irrigation, and HVAC systems \u2014 delivering reliable continuous operation at rated efficiency.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(13px,1.5vw,16px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;\">\n<h2 style=\"color:#1a4a7a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a4a7a;padding-bottom:8px;margin-top:28px;\">Why Choose WPA \u2014 Competitive Comparison<\/h2>\n<div style=\"overflow-x:auto;margin:14px 0;\">\n<table style=\"width:100%;border-collapse:collapse;min-width:400px;\">\n<thead>\n<tr>\n<th style=\"padding:10px 12px;background:#1a4a7a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,14px);\">Feature<\/th>\n<th style=\"padding:10px 12px;background:#1a4a7a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,14px);\">Ever-power WPA<\/th>\n<th style=\"padding:10px 12px;background:#1a4a7a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,14px);\">Alternative Options<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-weight:bold;font-size:clamp(12px,1.3vw,14px);\">Housing Material<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; FC20+ grey cast iron<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#888;\">Often aluminium alloy<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-weight:bold;font-size:clamp(12px,1.3vw,14px);\">Vibration Damping<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; Excellent \u2014 inherent cast iron damping<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#888;\">Poor \u2014 aluminium transmits vibration<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-weight:bold;font-size:clamp(12px,1.3vw,14px);\">Thermal Stability<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; Excellent up to 95\u00b0C continuous<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#888;\">Limited above 60\u00b0C<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-weight:bold;font-size:clamp(12px,1.3vw,14px);\">Impact Resistance<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; High \u2014 no deformation under shock<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#888;\">Risk of housing deformation<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-weight:bold;font-size:clamp(12px,1.3vw,14px);\">Size Range<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; 40\u2013250 mm (12 sizes)<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#888;\">Typically 25\u2013150 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-weight:bold;font-size:clamp(12px,1.3vw,14px);\">Output Torque<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; Up to 2,371 Nm<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#888;\">Typically \u22641,500 Nm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-weight:bold;font-size:clamp(12px,1.3vw,14px);\">Certifications<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; ISO 9001:2000, CE<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#888;\">Varies<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(13px,1.5vw,16px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;background:#f0f4f8;border-radius:8px;margin:8px 3%;\">\n<h2 style=\"color:#1a4a7a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a4a7a;padding-bottom:8px;margin-top:28px;\">Quality Control &amp; Certifications<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/gearboxesworm.xyz\/wp-content\/uploads\/2026\/06\/cast-iron-worm-gearbox-factory-2.webp\" alt=\"Ever-power cast iron worm gearbox manufacturing facility\" style=\"max-width:100%;height:auto;margin:12px 0;border-radius:6px;\"><\/p>\n<div style=\"display:flex;flex-wrap:wrap;gap:14px;margin:14px 0;\">\n<div style=\"flex:1 1 45%;min-width:240px;padding:3%;background:#fff;border-radius:6px;box-sizing:border-box;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a4a7a;margin:0 0 8px;\">&#9998; ISO 9001:2000 Certified<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;\">We hold ISO 9001:2000 International Quality System Certification \u2014 the first in our industry category to achieve this standard. Every WPA is manufactured, assembled, and tested under this quality framework.<\/p>\n<\/div>\n<div style=\"flex:1 1 45%;min-width:240px;padding:3%;background:#fff;border-radius:6px;box-sizing:border-box;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a4a7a;margin:0 0 8px;\">&#9998; CE Marking<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;\">Full CE marking confirms compliance with EU Machinery Directive 2006\/42\/EC requirements \u2014 covering safety, design standards, and manufacturing quality for mechanical power transmission equipment.<\/p>\n<\/div>\n<div style=\"flex:1 1 45%;min-width:240px;padding:3%;background:#fff;border-radius:6px;box-sizing:border-box;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a4a7a;margin:0 0 8px;\">&#9998; Pre-Shipment Testing<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;\">Every unit undergoes: <strong>Noise test<\/strong> (below 68 dB(A) at rated load), <strong>Oil leak test<\/strong> (30-minute pressurisation), and <strong>Torque transmission test<\/strong> (output torque within \u00b15% of rated). Failed units are reworked \u2014 not shipped.<\/p>\n<\/div>\n<div style=\"flex:1 1 45%;min-width:240px;padding:3%;background:#fff;border-radius:6px;box-sizing:border-box;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a4a7a;margin:0 0 8px;\">&#9998; FC20+ Material Certification<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;\">Housing castings are verified by material test certificates for FC20 grade (220 MPa minimum tensile strength). Hardness testing (160\u2013200 HB) and ultrasonic testing for internal defects are performed on size 135 and above.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(13px,1.5vw,16px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;\">\n<h2 style=\"color:#1a4a7a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a4a7a;padding-bottom:8px;margin-top:28px;\">Why Choose Ever-power for Your WPA Worm Gearbox<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/gearboxesworm.xyz\/wp-content\/uploads\/2026\/06\/cast-iron-worm-gearbox-equipment-3.webp\" alt=\"Ever-power production equipment precision machining\" style=\"max-width:100%;height:auto;margin:12px 0;border-radius:6px;\"><\/p>\n<div style=\"display:flex;flex-wrap:wrap;gap:14px;margin:14px 0;\">\n<div style=\"flex:1 1 45%;min-width:240px;padding:3%;background:#f8f9fa;border-left:4px solid #1a4a7a;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#1a4a7a;\">&#9733; 20+ Years Manufacturing Experience<\/strong><br \/>\n<span style=\"font-size:clamp(13px,1.5vw,15px);color:#444;\">We have been manufacturing cast iron worm gearboxes for over two decades, with an installed base of more than 10,000 units across 11 product series. Our accumulated process knowledge is embedded in every WPA we produce.<\/span>\n<\/div>\n<div style=\"flex:1 1 45%;min-width:240px;padding:3%;background:#f8f9fa;border-left:4px solid #1a4a7a;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#1a4a7a;\">&#9733; World-Class Machining Equipment<\/strong><br \/>\n<span style=\"font-size:clamp(13px,1.5vw,15px);color:#444;\">We operate CNC grinding centres, gear hobbing machines, and coordinate measuring machines sourced from the USA, Japan, Germany, and Italy \u2014 the same equipment used by tier-1 European gearbox manufacturers.<\/span>\n<\/div>\n<div style=\"flex:1 1 45%;min-width:240px;padding:3%;background:#f8f9fa;border-left:4px solid #1a4a7a;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#1a4a7a;\">&#9733; Global Export Reach<\/strong><br \/>\n<span style=\"font-size:clamp(13px,1.5vw,15px);color:#444;\">We export to the USA, Europe, Southeast Asia, Australia, and the Middle East. Our export documentation, packing standards, and lead times are optimised for international supply chains.<\/span>\n<\/div>\n<div style=\"flex:1 1 45%;min-width:240px;padding:3%;background:#f8f9fa;border-left:4px solid #1a4a7a;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#1a4a7a;\">&#9733; OEM &amp; Custom Capability<\/strong><br \/>\n<span style=\"font-size:clamp(13px,1.5vw,15px);color:#444;\">We offer full OEM services including custom nameplating, paint colours, shaft dimensions, and flange configurations. Our engineering team supports custom specifications from concept to production release.<\/span>\n<\/div>\n<div style=\"flex:1 1 45%;min-width:240px;padding:3%;background:#f8f9fa;border-left:4px solid #1a4a7a;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#1a4a7a;\">&#9733; Industry Coverage<\/strong><br \/>\n<span style=\"font-size:clamp(13px,1.5vw,15px);color:#444;\">Our gearboxes serve metallurgy, stone processing, woodworking, tobacco, food, leather, textile, glass, medical, chemical, light industry, and rubber\/plastics sectors globally.<\/span>\n<\/div>\n<div style=\"flex:1 1 45%;min-width:240px;padding:3%;background:#f8f9fa;border-left:4px solid #1a4a7a;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#1a4a7a;\">&#9733; Responsive Technical Support<\/strong><br \/>\n<span style=\"font-size:clamp(13px,1.5vw,15px);color:#444;\">Our application engineers provide gearbox selection, torque calculation, and installation guidance. Email us at <a href=\"mailto:sales@gearboxesworm.xyz\" style=\"color:#1a4a7a;\">sales@gearboxesworm.xyz<\/a> with your application data for a same-day selection recommendation.<\/span>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(13px,1.5vw,16px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;\">\n<h2 style=\"color:#1a4a7a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a4a7a;padding-bottom:8px;margin-top:28px;\">Customer Reviews &amp; Case Studies<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:16px;margin:16px 0;\">\n<div style=\"flex:1 1 44%;min-width:260px;max-width:480px;padding:calc(2%+10px);background:#fff;border:1px solid #e0e0e0;border-radius:8px;box-sizing:border-box;word-break:break-word;\">\n<div style=\"font-size:clamp(16px,2vw,20px);color:#f5a623;margin-bottom:6px;\">\u2605\u2605\u2605\u2605\u2605<\/div>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#333;font-style:italic;margin:0 0 10px;\">&ldquo;We replaced six worn-out competitor gearboxes on our quarry conveyor with WPA-100 units. After 18 months of 24\/7 operation in a dusty, high-vibration environment, all six are running perfectly. The cast iron housings show zero cracks \u2014 incredibly robust for the price.&rdquo;<\/p>\n<div style=\"font-size:clamp(12px,1.3vw,14px);color:#666;border-top:1px solid #eee;padding-top:8px;\">\n<strong>James Hargreaves<\/strong> &mdash; Bulk Handling Equipment Pty Ltd<br \/>Australia &#127462;&#127482;\n<\/div>\n<\/div>\n<div style=\"flex:1 1 44%;min-width:260px;max-width:480px;padding:calc(2%+10px);background:#fff;border:1px solid #e0e0e0;border-radius:8px;box-sizing:border-box;word-break:break-word;\">\n<div style=\"font-size:clamp(16px,2vw,20px);color:#f5a623;margin-bottom:6px;\">\u2605\u2605\u2605\u2605\u2605<\/div>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#333;font-style:italic;margin:0 0 10px;\">&ldquo;The WPA&#8217;s bilateral input shaft was exactly what we needed for our compact conveyor redesign. Motor left or right in the same unit \u2014 saved us weeks of custom bracket fabrication. Transmission efficiency matches the specification sheet precisely.&rdquo;<\/p>\n<div style=\"font-size:clamp(12px,1.3vw,14px);color:#666;border-top:1px solid #eee;padding-top:8px;\">\n<strong>Klaus Bauer<\/strong> &mdash; Maschinenbau GmbH<br \/>Germany &#127465;&#127466;\n<\/div>\n<\/div>\n<div style=\"flex:1 1 44%;min-width:260px;max-width:480px;padding:calc(2%+10px);background:#fff;border:1px solid #e0e0e0;border-radius:8px;box-sizing:border-box;word-break:break-word;\">\n<div style=\"font-size:clamp(16px,2vw,20px);color:#f5a623;margin-bottom:6px;\">4\/5 \u2605\u2605\u2605\u2605<\/div>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#333;font-style:italic;margin:0 0 10px;\">&ldquo;Running WPA-80 units on our sugar cane conveyor drives since 2022. Impressive durability in the wet, corrosive sugarcane processing environment. We did add an external shaft seal upgrade, but the core gearbox performance is excellent.&rdquo;<\/p>\n<div style=\"font-size:clamp(12px,1.3vw,14px);color:#666;border-top:1px solid #eee;padding-top:8px;\">\n<strong>Carlos Mendes<\/strong> &mdash; Agro Ind&uacute;stria Ltda<br \/>Brazil &#127463;&#127479;\n<\/div>\n<\/div>\n<div style=\"flex:1 1 44%;min-width:260px;max-width:480px;padding:calc(2%+10px);background:#fff;border:1px solid #e0e0e0;border-radius:8px;box-sizing:border-box;word-break:break-word;\">\n<div style=\"font-size:clamp(16px,2vw,20px);color:#f5a623;margin-bottom:6px;\">\u2605\u2605\u2605\u2605\u2605<\/div>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#333;font-style:italic;margin:0 0 10px;\">&ldquo;Used WPA-120 in our spice grinding conveyor line. The low noise level surprised our quality engineers \u2014 they expected more noise from cast iron but the precision worm mesh is very smooth. Highly recommended for food factory environments.&rdquo;<\/p>\n<div style=\"font-size:clamp(12px,1.3vw,14px);color:#666;border-top:1px solid #eee;padding-top:8px;\">\n<strong>Priya Sharma<\/strong> &mdash; Food Processing Industries Ltd<br \/>India &#127470;&#127475;\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"WPA WP Series Cast Iron Worm Gearbox\",\n    \"aggregateRating\": {\n        \"@type\": \"AggregateRating\",\n        \"ratingValue\": \"4.8\",\n        \"reviewCount\": \"4\",\n        \"bestRating\": \"5\"\n    },\n    \"review\": [\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"James Hargreaves\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"We replaced six worn-out competitor gearboxes on our quarry conveyor with WPA-100 units. After 18 months of 24\\\/7 operation in a dusty, high-vibration environment, all six are running perfectly. The cast iron housings show zero cracks \\u2014 incredibly robust for the price.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Klaus Bauer\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"The WPA's bilateral input shaft was exactly what we needed for our compact conveyor redesign. Motor left or right in the same unit \\u2014 saved us weeks of custom bracket fabrication. Transmission efficiency matches the specification sheet precisely.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Carlos Mendes\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"Running WPA-80 units on our sugar cane conveyor drives since 2022. Impressive durability in the wet, corrosive sugarcane processing environment. We did add an external shaft seal upgrade, but the core gearbox performance is excellent.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Priya Sharma\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"Used WPA-120 in our spice grinding conveyor line. The low noise level surprised our quality engineers \\u2014 they expected more noise from cast iron but the precision worm mesh is very smooth. Highly recommended for food factory environments.\"\n        }\n    ]\n}<\/script><\/p>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(13px,1.5vw,16px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;\">\n<h2 style=\"color:#1a4a7a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a4a7a;padding-bottom:8px;margin-top:28px;\">Frequently Asked Questions \u2014 WPA<\/h2>\n<div style=\"margin:16px 0;\">\n<details style=\"margin-bottom:10px;border:1px solid #e0e0e0;border-radius:6px;overflow:hidden;\">\n<summary style=\"padding:14px 16px;background:#1a4a7a;color:#fff;cursor:pointer;font-weight:bold;font-size:clamp(13px,1.5vw,15px);list-style:none;word-break:break-word;\">&#9654; What is the maximum continuous operating temperature for the WPA gearbox?<\/summary>\n<div style=\"padding:14px 16px;background:#f8f9fa;font-size:clamp(13px,1.5vw,15px);color:#333;line-height:1.7;word-break:break-word;\">The WPA is designed for continuous oil bath lubrication up to 95\u00b0C housing temperature. At ambient temperatures above 40\u00b0C, increase your service factor by 1.6\u00d7 when selecting the appropriate model size. Above 50\u00b0C ambient, use N320\u2013N460 grade mineral oil or synthetic equivalent.<\/div>\n<\/details>\n<details style=\"margin-bottom:10px;border:1px solid #e0e0e0;border-radius:6px;overflow:hidden;\">\n<summary style=\"padding:14px 16px;background:#1a4a7a;color:#fff;cursor:pointer;font-weight:bold;font-size:clamp(13px,1.5vw,15px);list-style:none;word-break:break-word;\">&#9654; Can the WPA be mounted in orientations other than horizontal foot-mount?<\/summary>\n<div style=\"padding:14px 16px;background:#f8f9fa;font-size:clamp(13px,1.5vw,15px);color:#333;line-height:1.7;word-break:break-word;\">Yes. The WPA supports B3 (horizontal), B6 (output shaft upward), B7 (output shaft downward), and B8 (reverse horizontal) mounting orientations. Note that oil fill levels must be adjusted for non-B3 orientations \u2014 consult the lubrication guide for correct oil quantities.<\/div>\n<\/details>\n<details style=\"margin-bottom:10px;border:1px solid #e0e0e0;border-radius:6px;overflow:hidden;\">\n<summary style=\"padding:14px 16px;background:#1a4a7a;color:#fff;cursor:pointer;font-weight:bold;font-size:clamp(13px,1.5vw,15px);list-style:none;word-break:break-word;\">&#9654; What is the first oil change interval for a new WPA gearbox?<\/summary>\n<div style=\"padding:14px 16px;background:#f8f9fa;font-size:clamp(13px,1.5vw,15px);color:#333;line-height:1.7;word-break:break-word;\">Drain and replace the lubricant after the first 100 hours of operation. This initial run-in flush removes metal particles from the worm gear break-in period. Subsequently, change oil every 2,500 operating hours. Use N220\u2013N320 mineral oil at ambient temperatures of -30\u00b0C to 40\u00b0C.<\/div>\n<\/details>\n<details style=\"margin-bottom:10px;border:1px solid #e0e0e0;border-radius:6px;overflow:hidden;\">\n<summary style=\"padding:14px 16px;background:#1a4a7a;color:#fff;cursor:pointer;font-weight:bold;font-size:clamp(13px,1.5vw,15px);list-style:none;word-break:break-word;\">&#9654; How do I calculate the correct WPA size for my application?<\/summary>\n<div style=\"padding:14px 16px;background:#f8f9fa;font-size:clamp(13px,1.5vw,15px);color:#333;line-height:1.7;word-break:break-word;\">Use the formula: P = T \u00d7 n\u2082 \/ (9550 \u00d7 \u03b7). Where T is required output torque (Nm), n\u2082 is output shaft speed (rpm), \u03b7 is transmission efficiency (0.60\u20130.90 depending on ratio). Multiply by your load factor (a\u2082 = 0.8\u20131.75 based on daily hours and shock load class) to get selection torque.<\/div>\n<\/details>\n<details style=\"margin-bottom:10px;border:1px solid #e0e0e0;border-radius:6px;overflow:hidden;\">\n<summary style=\"padding:14px 16px;background:#1a4a7a;color:#fff;cursor:pointer;font-weight:bold;font-size:clamp(13px,1.5vw,15px);list-style:none;word-break:break-word;\">&#9654; Is the WPA gearbox self-locking at higher reduction ratios?<\/summary>\n<div style=\"padding:14px 16px;background:#f8f9fa;font-size:clamp(13px,1.5vw,15px);color:#333;line-height:1.7;word-break:break-word;\">The WPA exhibits self-locking characteristics at ratios of 1\/30 and above in static conditions, as the worm helix angle becomes less than the friction angle. However, do not rely on self-locking for safety-critical load holding \u2014 always install an independent mechanical brake for vertical or inclined load applications.<\/div>\n<\/details>\n<\/div>\n<\/div>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the maximum continuous operating temperature for the WPA gearbox?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The WPA is designed for continuous oil bath lubrication up to 95\\u00b0C housing temperature. At ambient temperatures above 40\\u00b0C, increase your service factor by 1.6\\u00d7 when selecting the appropriate model size. Above 50\\u00b0C ambient, use N320\\u2013N460 grade mineral oil or synthetic equivalent.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can the WPA be mounted in orientations other than horizontal foot-mount?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The WPA supports B3 (horizontal), B6 (output shaft upward), B7 (output shaft downward), and B8 (reverse horizontal) mounting orientations. Note that oil fill levels must be adjusted for non-B3 orientations \\u2014 consult the lubrication guide for correct oil quantities.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the first oil change interval for a new WPA gearbox?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Drain and replace the lubricant after the first 100 hours of operation. This initial run-in flush removes metal particles from the worm gear break-in period. Subsequently, change oil every 2,500 operating hours. Use N220\\u2013N320 mineral oil at ambient temperatures of -30\\u00b0C to 40\\u00b0C.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How do I calculate the correct WPA size for my application?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Use the formula: P = T \\u00d7 n\\u2082 \\\/ (9550 \\u00d7 \\u03b7). Where T is required output torque (Nm), n\\u2082 is output shaft speed (rpm), \\u03b7 is transmission efficiency (0.60\\u20130.90 depending on ratio). Multiply by your load factor (a\\u2082 = 0.8\\u20131.75 based on daily hours and shock load class) to get selection torque.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is the WPA gearbox self-locking at higher reduction ratios?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The WPA exhibits self-locking characteristics at ratios of 1\\\/30 and above in static conditions, as the worm helix angle becomes less than the friction angle. However, do not rely on self-locking for safety-critical load holding \\u2014 always install an independent mechanical brake for vertical or inclined load applications.\"\n            }\n        }\n    ]\n}<\/script><\/p>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(13px,1.5vw,16px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:3%;background:linear-gradient(135deg,#1a4a7a,#1a4a7add);color:#fff;border-radius:10px;margin:20px 3%;text-align:center;word-break:break-word;\">\n<h2 style=\"color:#fff;font-size:clamp(18px,2.5vw,24px);margin:0 0 12px;\">Get Your WPA Quote Today<\/h2>\n<p style=\"font-size:clamp(13px,1.5vw,16px);color:#e8f4ff;margin:0 0 20px;max-width:600px;display:inline-block;\">\nWhether you need one unit for a retrofit or a thousand for an OEM production run, Ever-power has the manufacturing capacity, quality certifications, and technical expertise to deliver.<br \/>\nContact our engineering team with your application requirements \u2014 we respond within 24 hours.\n<\/p>\n<div style=\"display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:16px;\">\n<a href=\"\/vi\/contact-us\/\" style=\"background:#fff;color:#1a4a7a;padding:12px 28px;border-radius:6px;text-decoration:none;font-weight:bold;font-size:clamp(13px,1.5vw,15px);display:inline-block;\">&#9993; Request a Quote<\/a><br \/>\n<a href=\"mailto:sales@gearboxesworm.xyz\" style=\"background:rgba(255,255,255,0.15);color:#fff;padding:12px 28px;border-radius:6px;text-decoration:none;font-weight:bold;font-size:clamp(13px,1.5vw,15px);border:2px solid #fff;display:inline-block;\">sales@gearboxesworm.xyz<\/a><br \/>\n<a href=\"\/vi\/about-us\/\" style=\"background:rgba(255,255,255,0.1);color:#fff;padding:12px 28px;border-radius:6px;text-decoration:none;font-size:clamp(13px,1.5vw,15px);border:1px solid rgba(255,255,255,0.4);display:inline-block;\">Gi\u1edbi thi\u1ec7u v\u1ec1 Everpower<\/a>\n<\/div>\n<p style=\"font-size:clamp(12px,1.3vw,14px);color:#c8dff0;margin:16px 0 0;\">&#10003; OEM &amp; Distributor partnerships welcome &nbsp;&#10003; Custom specifications available &nbsp;&#10003; Global shipping<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p style=\"font-family:Arial,sans-serif;font-size:clamp(13px,1.5vw,16px);line-height:1.6;word-break:break-word;\">When conveyor systems, packaging lines, and material handling equipment demand precise, repeatable speed reduction with long service life, the WPA Single Speed Cast Iron Worm Gearbox delivers. Cast iron solid integral cast iron, 1\/5\u20131\/60 ratio range, 40\u2013250mm sizes. Standard horizontal base mounting, bilateral input shaft option. ISO 9001:2000, CE certified.<\/p>","protected":false},"featured_media":3070,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[8691],"product_tag":[8692,8696,8695,8694,8693],"class_list":{"0":"post-3192","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-cast-iron-worm-gearbox","7":"product_tag-cast-iron-worm-gearbox","8":"product_tag-foot-mount-worm-gearbox","9":"product_tag-heavy-duty-worm-drive","10":"product_tag-single-speed-reducer","11":"product_tag-worm-speed-reducer","13":"first","14":"instock","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/gearboxesworm.xyz\/vi\/wp-json\/wp\/v2\/product\/3192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gearboxesworm.xyz\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/gearboxesworm.xyz\/vi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/gearboxesworm.xyz\/vi\/wp-json\/wp\/v2\/comments?post=3192"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gearboxesworm.xyz\/vi\/wp-json\/wp\/v2\/media\/3070"}],"wp:attachment":[{"href":"https:\/\/gearboxesworm.xyz\/vi\/wp-json\/wp\/v2\/media?parent=3192"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/gearboxesworm.xyz\/vi\/wp-json\/wp\/v2\/product_brand?post=3192"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/gearboxesworm.xyz\/vi\/wp-json\/wp\/v2\/product_cat?post=3192"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/gearboxesworm.xyz\/vi\/wp-json\/wp\/v2\/product_tag?post=3192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}