{"id":3194,"date":"2026-06-03T09:11:02","date_gmt":"2026-06-03T09:11:02","guid":{"rendered":"https:\/\/gearboxesworm.xyz\/product\/wpka-single-speed-cast-iron-worm-gearbox-wp-series\/"},"modified":"2026-06-03T09:11:05","modified_gmt":"2026-06-03T09:11:05","slug":"wpka-single-speed-cast-iron-worm-gearbox-wp-series","status":"publish","type":"product","link":"https:\/\/gearboxesworm.xyz\/fa\/product\/wpka-single-speed-cast-iron-worm-gearbox-wp-series\/","title":{"rendered":"WPKA 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\": \"WPKA WP Series Cast Iron Worm Gearbox\",\n    \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"Ever-power\"\n    },\n    \"description\": \"Ever-power WPKA single-speed cast iron worm gearbox. K-type hollow output structure \\u2014 output shaft is a through-bore for direct keyed shaft insertion. 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:#7a2d1a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #7a2d1a;padding-bottom:8px;margin-top:28px;\">WPKA 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 your driven equipment has a keyway-equipped through-shaft that needs to connect directly to a gearbox without an external coupling, conventional solid-output gearboxes force you into alignment compromises, flexible couplings, and extra shaft length. The <strong>WPKA Single Speed Hollow Shaft Cast Iron Worm Gearbox<\/strong> eliminates this problem entirely: the K-type hollow output bore slides directly onto the driven shaft and locks via key and keyway, creating a shaft-mounted gearbox with zero external coupling hardware. This clean mechanical integration is why the WPKA is the dominant choice for shaft-mounted conveyor head drives, mixer agitators, and rotating platform drives across global heavy industry.<\/p>\n<p style=\"margin:0;\"><a href=\"\/fa\/contact-us\/\" style=\"color:#7a2d1a;font-weight:bold;text-decoration:underline;\">&#9993; Request a Quote<\/a> &nbsp;|&nbsp; <a href=\"\/fa\/about-us\/\" style=\"color:#7a2d1a;text-decoration:underline;\">About Ever-power<\/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\/WPKA-hollow-shaft-single-speed-worm-reducer.webp\" alt=\"WPKA 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:#7a2d1a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #7a2d1a;padding-bottom:8px;margin-top:28px;\">Technical Specifications \u2014 WPKA<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/gearboxesworm.xyz\/wp-content\/uploads\/2026\/06\/WPKA-single-speed-worm-reducer-dimension.webp\" alt=\"WPKA worm gearbox dimension drawing specification\" style=\"max-width:100%;height:auto;margin:12px 0 18px;border-radius:4px;\"><\/p>\n<h3 style=\"color:#7a2d1a;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:#7a2d1a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,14px);\">Parameter<\/th>\n<th style=\"padding:9px 10px;background:#7a2d1a;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)<\/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);\">Hollow bore output (K-type through-hole)<\/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 with hollow output shaft<\/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);\">5\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);\">K-type hollow output structure \u2014 output shaft is a through-bore for direct keyed shaft insertion<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 style=\"color:#7a2d1a;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:#7a2d1a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,13px);white-space:nowrap;\">Size<\/th>\n<th style=\"padding:9px 10px;background:#7a2d1a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,13px);white-space:nowrap;\">Ratio<\/th>\n<th style=\"padding:9px 10px;background:#7a2d1a;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:#7a2d1a;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:#7a2d1a;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:#7a2d1a;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:#7a2d1a;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:#7a2d1a;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:#7a2d1a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,13px);white-space:nowrap;\">Weight (kg)<\/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);\">\u2014<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">\u2014<\/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);\">85<\/td>\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);\">5<\/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);\">\u2014<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">\u2014<\/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);\">105<\/td>\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);\">7.5<\/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);\">\u2014<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">\u2014<\/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);\">110<\/td>\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);\">11<\/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);\">\u2014<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">\u2014<\/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);\">130<\/td>\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);\">15.5<\/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);\">\u2014<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">\u2014<\/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);\">150<\/td>\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);\">22<\/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);\">\u2014<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">\u2014<\/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);\">160<\/td>\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);\">36<\/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);\">\u2014<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">\u2014<\/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);\">175<\/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);\">62<\/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);\">\u2014<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">\u2014<\/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);\">210<\/td>\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);\">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);\">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);\">\u2014<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">\u2014<\/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);\">256<\/td>\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);\">114<\/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);\">\u2014<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">\u2014<\/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);\">282<\/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);\">150<\/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);\">\u2014<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);\">\u2014<\/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);\">320<\/td>\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);\">215<\/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);\">\u2014<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">\u2014<\/td>\n<td style=\"padding:7px 10px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);\">705<\/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);\">400<\/td>\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);\">360<\/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:#7a2d1a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #7a2d1a;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=\"WPKA 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:#7a2d1a;\">&#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:#7a2d1a;\">&#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:#7a2d1a;\">&#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:#7a2d1a;\">&#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:#7a2d1a;\">&#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:#7a2d1a;\">&#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:#7a2d1a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #7a2d1a;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 #7a2d1a22;border-left:4px solid #7a2d1a;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#7a2d1a;margin:0 0 8px;\">&#9632; K-Type Through-Bore Output \u2014 No Coupling Required<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">The output is a precision-bored hollow shaft machined with H7 tolerance and a standard keyway slot. The driven shaft inserts directly, providing rigid key-and-bore torque transmission at full rated torque without any coupling hardware.<\/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 #7a2d1a22;border-left:4px solid #7a2d1a;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#7a2d1a;margin:0 0 8px;\">&#9632; Torque Arm Mounting Eliminates Housing Rotation<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">The WPKA includes a torque arm mounting boss on the housing that accepts a standard reaction arm, preventing housing rotation when the unit is shaft-mounted. Multiple anchor point orientations accommodate various installation geometries.<\/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 #7a2d1a22;border-left:4px solid #7a2d1a;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#7a2d1a;margin:0 0 8px;\">&#9632; Same FC20+ Cast Iron Strength as Solid-Output WPA<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">The hollow output bore does not compromise housing strength. The WPKA retains the same FC20+ cast iron housing as the WPA, providing identical impact resistance, vibration damping, and thermal stability.<\/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 #7a2d1a22;border-left:4px solid #7a2d1a;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#7a2d1a;margin:0 0 8px;\">&#9632; Available in 12 Frame Sizes \u2014 40 to 250 mm<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">The hollow bore diameter scales with frame size: 18.8 mm (size 40) to 90 mm (size 250), covering the full range of standard industrial shaft diameters from small conveyor stub shafts to large agitator main shafts.<\/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 #7a2d1a22;border-left:4px solid #7a2d1a;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#7a2d1a;margin:0 0 8px;\">&#9632; Oil Seal on Both Bore Ends Prevents Contamination<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">Double-lip oil seals on both sides of the hollow bore prevent lubricant leakage onto the driven shaft and block contaminant ingress into the gear mesh \u2014 critical in food processing and chemical environments.<\/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 #7a2d1a22;border-left:4px solid #7a2d1a;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#7a2d1a;margin:0 0 8px;\">&#9632; Bilateral Solid Input Shaft for Motor Flexibility<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">While the output is hollow bore, the input remains a standard solid shaft (A-type, input below) with bilateral connection options, maintaining full WPA-series motor mounting compatibility.<\/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:#7a2d1a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #7a2d1a;padding-bottom:8px;margin-top:28px;\">Industry Applications \u2014 WPKA<\/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:#7a2d1a;margin:0 0 8px;\"><span style=\"font-size:1.3em;\">&#9866;<\/span> Shaft-Mounted Conveyor Head Drives<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">The WPKA slides directly onto the conveyor head shaft, eliminating the external coupling and shaft-to-shaft alignment that accounts for 40% of conveyor drive maintenance issues. Torque arm reaction handles the housing restraint.<\/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:#7a2d1a;margin:0 0 8px;\"><span style=\"font-size:1.3em;\">&#9781;<\/span> Agitator &#038; Mixer Drives<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">Vessel agitator shafts drop straight through the WPKA hollow bore. No external coupling means no coupling lubrication, no coupling alignment, and no coupling fatigue failures in the aggressive chemical mixing environment.<\/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:#7a2d1a;margin:0 0 8px;\"><span style=\"font-size:1.3em;\">&#9874;<\/span> Rotating Platform &#038; Turntable Drives<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">The hollow bore allows a central pivot shaft to pass through the gearbox, enabling compact turntable and indexing table designs that would be impossible with a conventional solid-output gearbox.<\/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:#7a2d1a;margin:0 0 8px;\"><span style=\"font-size:1.3em;\">&#9883;<\/span> Fan &#038; Blower Drives<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">Industrial fans with long keyed shafts mount directly into the WPKA bore, removing the coupling hub mass from the shaft overhang and improving dynamic balance in high-speed fan applications.<\/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:#7a2d1a;margin:0 0 8px;\"><span style=\"font-size:1.3em;\">&#9876;<\/span> Bucket Elevator Drives<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">The WPKA&#8217;s shaft-mount configuration is inherently better suited to the sustained radial loads of bucket elevator head drives than solid-output units with external couplings that introduce additional bending moments.<\/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:#7a2d1a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #7a2d1a;padding-bottom:8px;margin-top:28px;\">Why Choose WPKA \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:#7a2d1a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,14px);\">Feature<\/th>\n<th style=\"padding:10px 12px;background:#7a2d1a;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,14px);\">Ever-power WPKA<\/th>\n<th style=\"padding:10px 12px;background:#7a2d1a;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);\">Output Connection<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; Direct hollow bore \u2014 shaft slides in<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#888;\">Solid shaft + external coupling needed<\/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);\">Installation Complexity<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; Low \u2014 shaft insert + key + set screw<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#888;\">High \u2014 shaft, coupling, alignment<\/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);\">Shaft Overhang<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; Minimal \u2014 gearbox on shaft<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#888;\">Long \u2014 coupling + shaft extension<\/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);\">Coupling Maintenance<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; None \u2014 no coupling hardware<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#888;\">Regular coupling greasing required<\/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);\">Dynamic Balance<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; Better \u2014 no coupling mass imbalance<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#888;\">Coupling mass can cause vibration<\/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);\">Centre Distance Flexibility<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; Direct \u2014 no coupling length constraint<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#888;\">Coupling length adds to drive train<\/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:#7a2d1a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #7a2d1a;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:#7a2d1a;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 WPKA 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:#7a2d1a;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:#7a2d1a;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:#7a2d1a;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:#7a2d1a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #7a2d1a;padding-bottom:8px;margin-top:28px;\">Why Choose Ever-power for Your WPKA 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 #7a2d1a;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#7a2d1a;\">&#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 WPKA we produce.<\/span>\n<\/div>\n<div style=\"flex:1 1 45%;min-width:240px;padding:3%;background:#f8f9fa;border-left:4px solid #7a2d1a;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#7a2d1a;\">&#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 #7a2d1a;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#7a2d1a;\">&#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 #7a2d1a;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#7a2d1a;\">&#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 #7a2d1a;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#7a2d1a;\">&#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 #7a2d1a;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#7a2d1a;\">&#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:#7a2d1a;\">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:#7a2d1a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #7a2d1a;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;Replaced all our belt conveyor head drives with WPKA shaft-mounted units at our Queensland coal mine. Eliminated coupling failures entirely \u2014 we haven&#8217;t had a single drive-related unplanned stoppage in two years. The hollow bore installation takes 20 minutes per unit.&rdquo;<\/p>\n<div style=\"font-size:clamp(12px,1.3vw,14px);color:#666;border-top:1px solid #eee;padding-top:8px;\">\n<strong>David Chen<\/strong> &mdash; Mining Conveyor Solutions<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;WPKA gearboxes drive our reactor agitator shafts. The hollow bore goes straight onto the agitator shaft \u2014 no coupling exposed to our corrosive process environment. Zero leaks in 36 months of continuous operation in a sulphuric acid atmosphere.&rdquo;<\/p>\n<div style=\"font-size:clamp(12px,1.3vw,14px);color:#666;border-top:1px solid #eee;padding-top:8px;\">\n<strong>Ivan Petrov<\/strong> &mdash; Chemical Processing Plant<br \/>Russia &#1056;&#1059;\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;We use WPKA-135 units on our bucket elevator head drives. The shaft-mount design reduced the installed height of our elevator head by 180 mm compared to the previous solid-output unit plus coupling arrangement. A significant improvement in building clearance.&rdquo;<\/p>\n<div style=\"font-size:clamp(12px,1.3vw,14px);color:#666;border-top:1px solid #eee;padding-top:8px;\">\n<strong>Martin Fischer<\/strong> &mdash; Aufzugswerke 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;WPKA drives our steriliser cage conveyor shafts in a very wet and corrosive steam environment. Cast iron durability has outlasted the aluminium hollow-shaft gearboxes we previously used. Only feedback is that we&#8217;d appreciate Viton seal option as standard.&rdquo;<\/p>\n<div style=\"font-size:clamp(12px,1.3vw,14px);color:#666;border-top:1px solid #eee;padding-top:8px;\">\n<strong>Siti Rahayu<\/strong> &mdash; Palm Oil Processing<br \/>Malaysia &#127474;&#127486;\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\": \"WPKA 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\": \"David Chen\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"Replaced all our belt conveyor head drives with WPKA shaft-mounted units at our Queensland coal mine. Eliminated coupling failures entirely \\u2014 we haven't had a single drive-related unplanned stoppage in two years. The hollow bore installation takes 20 minutes per unit.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Ivan Petrov\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"WPKA gearboxes drive our reactor agitator shafts. The hollow bore goes straight onto the agitator shaft \\u2014 no coupling exposed to our corrosive process environment. Zero leaks in 36 months of continuous operation in a sulphuric acid atmosphere.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Martin Fischer\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"We use WPKA-135 units on our bucket elevator head drives. The shaft-mount design reduced the installed height of our elevator head by 180 mm compared to the previous solid-output unit plus coupling arrangement. A significant improvement in building clearance.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Siti Rahayu\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"WPKA drives our steriliser cage conveyor shafts in a very wet and corrosive steam environment. Cast iron durability has outlasted the aluminium hollow-shaft gearboxes we previously used. Only feedback is that we'd appreciate Viton seal option as standard.\"\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:#7a2d1a;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #7a2d1a;padding-bottom:8px;margin-top:28px;\">Frequently Asked Questions \u2014 WPKA<\/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:#7a2d1a;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 secure the WPKA to the driven shaft?<\/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;\">Insert the driven shaft into the hollow bore until it reaches the shaft shoulder. Install the provided key into the aligned keyway between shaft and bore. Tighten the set screws (or end plate bolts, depending on size) to the specified torque. Mount the torque arm reaction bracket to a fixed structure to prevent housing rotation.<\/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:#7a2d1a;color:#fff;cursor:pointer;font-weight:bold;font-size:clamp(13px,1.5vw,15px);list-style:none;word-break:break-word;\">&#9654; What are the hollow bore diameters for each WPKA size?<\/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;\">Bore diameters by size (mm): 40=18.8, 50=22.8, 60=28.3, 70=33.3, 80=38.3, 100=43.3, 120=48.8, 135=64.4, 155=74.9, 175=85.4, 200=90.4, 250=90. Keyway dimensions follow GB\/T 1095 standard. Confirm bore and keyway dimensions against your shaft before ordering.<\/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:#7a2d1a;color:#fff;cursor:pointer;font-weight:bold;font-size:clamp(13px,1.5vw,15px);list-style:none;word-break:break-word;\">&#9654; Can the WPKA operate at any angle or mounting position?<\/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 WPKA supports the same B3, B6, B7, B8 mounting orientations as the WPA. When shaft-mounted (not foot-mounted), the torque arm provides the housing restraint. In vertical shaft applications, ensure oil level is verified per the non-horizontal mounting lubrication tables.<\/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:#7a2d1a;color:#fff;cursor:pointer;font-weight:bold;font-size:clamp(13px,1.5vw,15px);list-style:none;word-break:break-word;\">&#9654; Is a special lubricant required for the K-type hollow bore interface?<\/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 bore\u2013shaft interface is a dry interference or light clearance fit \u2014 no lubricant is used in the bore itself. The worm gear mesh lubrication is independent, contained within the sealed housing. Apply anti-seize compound only during disassembly to prevent galling on the bore ID over time.<\/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:#7a2d1a;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 radial load on the WPKA hollow output shaft?<\/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 maximum permissible radial load depends on the point of application along the hollow bore. For point loads at the mid-bore, refer to the cantilever load table in the selection guide. For distributed loads (full shaft engagement), rated radial load is significantly higher. Contact our application team for specific load calculations.<\/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\": \"How do I secure the WPKA to the driven shaft?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Insert the driven shaft into the hollow bore until it reaches the shaft shoulder. Install the provided key into the aligned keyway between shaft and bore. Tighten the set screws (or end plate bolts, depending on size) to the specified torque. 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Contact our application team for specific load calculations.\"\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,#7a2d1a,#7a2d1add);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 WPKA 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=\"\/fa\/contact-us\/\" style=\"background:#fff;color:#7a2d1a;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=\"\/fa\/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;\">About Ever-power<\/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 your driven equipment has a keyway-equipped through-shaft that needs to connect directly to a gearbox without an external coupling, conventional solid-output gearboxes force you into alignment compromises, flexible couplings, and extra shaft length. Cast iron solid integral cast iron, 1\/5\u20131\/60 ratio range, 40\u2013250mm sizes. K-type hollow output structure \u2014 output shaft is a through-bore for direct keyed shaft insertion. ISO 9001:2000, CE certified.<\/p>","protected":false},"featured_media":3060,"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":[8703,8701,8705,8702,8704],"class_list":{"0":"post-3194","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-cast-iron-worm-gearbox","7":"product_tag-cast-iron-hollow-bore-gearbox","8":"product_tag-hollow-shaft-worm-gearbox","9":"product_tag-k-type-worm-reducer","10":"product_tag-shaft-mount-worm-reducer","11":"product_tag-worm-gear-shaft-mount","13":"first","14":"instock","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/gearboxesworm.xyz\/fa\/wp-json\/wp\/v2\/product\/3194","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gearboxesworm.xyz\/fa\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/gearboxesworm.xyz\/fa\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/gearboxesworm.xyz\/fa\/wp-json\/wp\/v2\/comments?post=3194"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gearboxesworm.xyz\/fa\/wp-json\/wp\/v2\/media\/3060"}],"wp:attachment":[{"href":"https:\/\/gearboxesworm.xyz\/fa\/wp-json\/wp\/v2\/media?parent=3194"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/gearboxesworm.xyz\/fa\/wp-json\/wp\/v2\/product_brand?post=3194"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/gearboxesworm.xyz\/fa\/wp-json\/wp\/v2\/product_cat?post=3194"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/gearboxesworm.xyz\/fa\/wp-json\/wp\/v2\/product_tag?post=3194"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}