{"id":3198,"date":"2026-06-03T09:11:11","date_gmt":"2026-06-03T09:11:11","guid":{"rendered":"https:\/\/gearboxesworm.xyz\/product\/wpks-single-speed-cast-iron-worm-gearbox-wp-series\/"},"modified":"2026-06-03T09:11:11","modified_gmt":"2026-06-03T09:11:11","slug":"wpks-single-speed-cast-iron-worm-gearbox-wp-series","status":"publish","type":"product","link":"https:\/\/gearboxesworm.xyz\/ta\/product\/wpks-single-speed-cast-iron-worm-gearbox-wp-series\/","title":{"rendered":"WPKS 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\": \"WPKS WP Series Cast Iron Worm Gearbox\",\n    \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"Ever-power\"\n    },\n    \"description\": \"Ever-power WPKS single-speed cast iron worm gearbox. K+S: top-entry input shaft with hollow-bore output \\u2014 unique shaft routing. 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:#1a3c5e;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a3c5e;padding-bottom:8px;margin-top:28px;\">WPKS 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 application combines a top-entry input shaft with a through-bore hollow output \u2014 scenarios common in vertical mixer shafts, overhead fan drives, and shaft-mounted conveyor equipment \u2014 you need a gearbox that handles both without compromise. Standard product catalogues force you to choose between S-type input (WPS) or K-type hollow output (WPKA), but never both in the same unit. The <strong>WPKS Single Speed Cast Iron Worm Gearbox<\/strong> combines the S-type upward input configuration with the K-type hollow through-bore output, providing machine designers with a unique configuration that eliminates two separate gearbox specifications and creates cleaner, more compact drive train layouts for challenging vertical and overhead applications.<\/p>\n<p style=\"margin:0;\"><a href=\"\/ta\/contact-us\/\" style=\"color:#1a3c5e;font-weight:bold;text-decoration:underline;\">&#9993; Request a Quote<\/a> &nbsp;|&nbsp; <a href=\"\/ta\/about-us\/\" style=\"color:#1a3c5e;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\/WPKS-single-speed-worm-gearbox.webp\" alt=\"WPKS 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:#1a3c5e;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a3c5e;padding-bottom:8px;margin-top:28px;\">Technical Specifications \u2014 WPKS<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/gearboxesworm.xyz\/wp-content\/uploads\/2026\/06\/WPKS-single-speed-worm-reducer-dimension.webp\" alt=\"WPKS worm gearbox dimension drawing specification\" style=\"max-width:100%;height:auto;margin:12px 0 18px;border-radius:4px;\"><\/p>\n<h3 style=\"color:#1a3c5e;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:#1a3c5e;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,14px);\">Parameter<\/th>\n<th style=\"padding:9px 10px;background:#1a3c5e;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 (above, S-type)<\/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, input above, hollow output<\/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\u2013365 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+S: top-entry input shaft with hollow-bore output \u2014 unique shaft routing<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 style=\"color:#1a3c5e;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:#1a3c5e;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,13px);white-space:nowrap;\">Size<\/th>\n<th style=\"padding:9px 10px;background:#1a3c5e;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,13px);white-space:nowrap;\">Ratio<\/th>\n<th style=\"padding:9px 10px;background:#1a3c5e;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:#1a3c5e;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:#1a3c5e;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:#1a3c5e;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:#1a3c5e;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:#1a3c5e;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:#1a3c5e;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);\">4<\/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<\/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);\">10.5<\/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);\">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);\">14.5<\/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);\">63<\/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);\">218<\/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);\">365<\/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:#1a3c5e;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a3c5e;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=\"WPKS 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:#1a3c5e;\">&#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:#1a3c5e;\">&#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:#1a3c5e;\">&#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:#1a3c5e;\">&#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:#1a3c5e;\">&#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:#1a3c5e;\">&#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:#1a3c5e;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a3c5e;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 #1a3c5e22;border-left:4px solid #1a3c5e;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a3c5e;margin:0 0 8px;\">&#9632; Unique K+S Configuration: Hollow Output + Top-Entry Input in One Unit<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">The WPKS is the only standard cast iron worm gearbox offering both S-type input (from above) and K-type hollow bore output simultaneously. This eliminates the need for custom gearbox modifications or tandem gearbox arrangements.<\/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 #1a3c5e22;border-left:4px solid #1a3c5e;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a3c5e;margin:0 0 8px;\">&#9632; Oil Lubrication Calibrated for Combined K+S Geometry<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">The intersection of S-type worm shaft orientation and K-type hollow output bore creates a unique internal geometry. The WPKS oil channels and seal arrangement are specifically designed for this combination.<\/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 #1a3c5e22;border-left:4px solid #1a3c5e;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a3c5e;margin:0 0 8px;\">&#9632; Hollow Bore Diameter Range: 18.8 mm to 90 mm<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">The K-type hollow output bore scales across the full 12-size range (40\u2013250 mm centre distance), accommodating the full spectrum of industrial through-shaft diameters from small agitator stubs to large industrial fan 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 #1a3c5e22;border-left:4px solid #1a3c5e;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a3c5e;margin:0 0 8px;\">&#9632; Torque Arm Boss on Housing<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">The WPKS housing includes a torque arm mounting point to prevent housing rotation when the unit is shaft-mounted. This is essential for the shaft-mount installation mode common in WPKS applications.<\/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 #1a3c5e22;border-left:4px solid #1a3c5e;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a3c5e;margin:0 0 8px;\">&#9632; Same FC20+ Housing as WPA, WPS, WPKA<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">Despite the combined S+K specification, the WPKS housing maintains the standard FC20+ cast iron specification \u2014 no compromise on housing material strength or vibration damping to achieve the combined input\/output configuration.<\/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 #1a3c5e22;border-left:4px solid #1a3c5e;border-radius:6px;box-sizing:border-box;word-break:break-word;\">\n<h3 style=\"font-size:clamp(14px,1.8vw,16px);color:#1a3c5e;margin:0 0 8px;\">&#9632; Full Ratio Range Available<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">All standard ratios (1\/5\u20131\/60) are available in the WPKS, matching the full range of single-speed WP-series variants for complete application coverage.<\/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:#1a3c5e;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a3c5e;padding-bottom:8px;margin-top:28px;\">Industry Applications \u2014 WPKS<\/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:#1a3c5e;margin:0 0 8px;\"><span style=\"font-size:1.3em;\">&#9781;<\/span> Overhead Fan Shaft Drives<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">Fan shaft installations where the motor must mount above the gearbox while the fan shaft passes through the hollow output bore represent the ideal WPKS application: S-input (motor overhead) + K-output (fan shaft through-bore).<\/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:#1a3c5e;margin:0 0 8px;\"><span style=\"font-size:1.3em;\">&#9866;<\/span> Vertical Conveyor Shaft-Mount Drives<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">Vertical conveyor drive stations where the motor is positioned overhead and the conveyor shaft passes through the gearbox output bore use the WPKS to achieve the most compact vertical drive arrangement possible.<\/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:#1a3c5e;margin:0 0 8px;\"><span style=\"font-size:1.3em;\">&#9874;<\/span> Ceiling-Mounted Agitator Drives<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">Processing vessel agitators with ceiling-mounted motors and shaft-mount gearbox connections benefit from the WPKS configuration: motor connects from above (S-input), agitator shaft inserts into hollow bore (K-output).<\/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:#1a3c5e;margin:0 0 8px;\"><span style=\"font-size:1.3em;\">&#9883;<\/span> Turntable &#038; Indexer Overhead Drives<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">Overhead-drive turntables and indexing tables \u2014 used in automotive paint lines and assembly automation \u2014 use the WPKS to mount the motor overhead while the central pivot shaft passes through the K hollow bore.<\/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:#1a3c5e;margin:0 0 8px;\"><span style=\"font-size:1.3em;\">&#9876;<\/span> Compact Vertical Mixer Drives<\/h3>\n<p style=\"font-size:clamp(13px,1.5vw,15px);color:#444;margin:0;line-height:1.6;\">Industrial food mixers with vertical overhead motor mounting and shaft-mount to the mixing element use the WPKS as the single-unit solution for this common food equipment drive architecture.<\/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:#1a3c5e;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a3c5e;padding-bottom:8px;margin-top:28px;\">Why Choose WPKS \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:#1a3c5e;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,14px);\">Feature<\/th>\n<th style=\"padding:10px 12px;background:#1a3c5e;color:#fff;text-align:left;font-size:clamp(12px,1.3vw,14px);\">Ever-power WPKS<\/th>\n<th style=\"padding:10px 12px;background:#1a3c5e;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);\">Input Orientation<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; S-type: from above<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#888;\">WPA\/WPO\/WPX\/WPZ: other orientations<\/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 Type<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; K-type: hollow through-bore<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#888;\">WPA\/WPS: solid output shaft<\/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);\">Motor Position<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; Overhead \u2014 vertical drive<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#888;\">Horizontal or below<\/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);\">Shaft Connection<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; No coupling \u2014 shaft through bore<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#888;\">External coupling + alignment needed<\/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);\">Drive Train Height<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; Compact \u2014 motor directly above<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#f4f6f8;font-size:clamp(12px,1.3vw,14px);color:#888;\">Extended \u2014 coupling adds height<\/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);\">Application Range<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#1a5c1a;\">&#10003; Overhead vertical + shaft-mount<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e0e0e0;background:#ffffff;font-size:clamp(12px,1.3vw,14px);color:#888;\">Horizontal or standard vertical<\/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:#1a3c5e;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a3c5e;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:#1a3c5e;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 WPKS 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:#1a3c5e;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:#1a3c5e;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:#1a3c5e;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:#1a3c5e;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a3c5e;padding-bottom:8px;margin-top:28px;\">Why Choose Ever-power for Your WPKS 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 #1a3c5e;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#1a3c5e;\">&#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 WPKS we produce.<\/span>\n<\/div>\n<div style=\"flex:1 1 45%;min-width:240px;padding:3%;background:#f8f9fa;border-left:4px solid #1a3c5e;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#1a3c5e;\">&#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 #1a3c5e;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#1a3c5e;\">&#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 #1a3c5e;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#1a3c5e;\">&#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 #1a3c5e;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#1a3c5e;\">&#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 #1a3c5e;border-radius:4px;box-sizing:border-box;\">\n<strong style=\"color:#1a3c5e;\">&#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:#1a3c5e;\">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:#1a3c5e;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a3c5e;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;WPKS-120 units on our industrial exhaust fan drives \u2014 motor overhead, fan shaft through the K bore. This configuration eliminated two 90\u00b0 bends in our ductwork because we could align everything on a single vertical axis. The gearbox has run perfectly for 22 months.&rdquo;<\/p>\n<div style=\"font-size:clamp(12px,1.3vw,14px);color:#666;border-top:1px solid #eee;padding-top:8px;\">\n<strong>Peter Kowalski<\/strong> &mdash; Fan Systems Australia 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;We needed an overhead motor with a through-shaft output for our new dough mixer design. The WPKS was the only standard catalogue product that did both without customisation. Saved us six weeks of engineering time and eliminated a custom component from our BOM.&rdquo;<\/p>\n<div style=\"font-size:clamp(12px,1.3vw,14px);color:#666;border-top:1px solid #eee;padding-top:8px;\">\n<strong>Brigitte M\u00fcller<\/strong> &mdash; Lebensmitteltechnik 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;\">\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;WPKS-100 drives our sterile vessel agitators. The overhead motor keeps electrical equipment out of the process zone and the hollow bore goes directly onto the agitator shaft. An elegant solution to a challenging drive architecture requirement.&rdquo;<\/p>\n<div style=\"font-size:clamp(12px,1.3vw,14px);color:#666;border-top:1px solid #eee;padding-top:8px;\">\n<strong>Arjun Verma<\/strong> &mdash; Pharmaceutical Process Engineering<br \/>India &#127470;&#127475;\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;Used WPKS on our ceiling-mounted turntable drives. The S-input and K-output in one unit significantly reduced our machine height versus the previous two-gearbox arrangement. Cast iron build quality is solid and consistent across multiple production batches.&rdquo;<\/p>\n<div style=\"font-size:clamp(12px,1.3vw,14px);color:#666;border-top:1px solid #eee;padding-top:8px;\">\n<strong>Chen Xiaoming<\/strong> &mdash; Automation Systems Ltd<br \/>China &#127464;&#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\": \"WPKS 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\": \"Peter Kowalski\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"WPKS-120 units on our industrial exhaust fan drives \\u2014 motor overhead, fan shaft through the K bore. This configuration eliminated two 90\\u00b0 bends in our ductwork because we could align everything on a single vertical axis. The gearbox has run perfectly for 22 months.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Brigitte M\\u00fcller\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"We needed an overhead motor with a through-shaft output for our new dough mixer design. The WPKS was the only standard catalogue product that did both without customisation. Saved us six weeks of engineering time and eliminated a custom component from our BOM.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Arjun Verma\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"WPKS-100 drives our sterile vessel agitators. The overhead motor keeps electrical equipment out of the process zone and the hollow bore goes directly onto the agitator shaft. An elegant solution to a challenging drive architecture requirement.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Chen Xiaoming\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"Used WPKS on our ceiling-mounted turntable drives. The S-input and K-output in one unit significantly reduced our machine height versus the previous two-gearbox arrangement. Cast iron build quality is solid and consistent across multiple production batches.\"\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:#1a3c5e;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #1a3c5e;padding-bottom:8px;margin-top:28px;\">Frequently Asked Questions \u2014 WPKS<\/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:#1a3c5e;color:#fff;cursor:pointer;font-weight:bold;font-size:clamp(13px,1.5vw,15px);list-style:none;word-break:break-word;\">&#9654; Is the WPKS the same as mounting a WPS upside down with a hollow bore adaptor?<\/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;\">No. The WPKS is engineered from the ground up as a K+S combination unit. The internal oil channels, bearing preloads, and seal positions are all designed for the simultaneous K+S configuration. Field-modifying a WPS with a hollow bore adaptor does not replicate the WPKS&#8217;s engineered performance and would void any warranty.<\/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:#1a3c5e;color:#fff;cursor:pointer;font-weight:bold;font-size:clamp(13px,1.5vw,15px);list-style:none;word-break:break-word;\">&#9654; What sized motor can mount on the WPKS (no D-type flange)?<\/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 WPKS uses a standard solid input shaft (S-type). The motor connects via a shaft coupling to the WPKS input shaft from above. For direct IEC flange motor mounting with hollow bore output, use the WPDKS (D+K+S combination).<\/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:#1a3c5e;color:#fff;cursor:pointer;font-weight:bold;font-size:clamp(13px,1.5vw,15px);list-style:none;word-break:break-word;\">&#9654; How is the torque arm installation performed on the WPKS?<\/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;\">Mount the torque arm to the dedicated boss on the WPKS housing. The opposite end of the arm connects to a fixed structure (typically a frame bracket). The arm must allow radial clearance from the driven shaft to avoid binding. Refer to the WPKS installation drawing for torque arm hole locations and recommended clearances.<\/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:#1a3c5e;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 difference between WPKS and WPKZ in 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;\">Both have hollow output bores (K-type), but the input orientation differs. WPKS: input shaft from above (S-type) \u2014 suited for overhead motor, horizontal output shaft. WPKZ: input shaft from vertically above with flange-mount housing (Z-type) \u2014 suited for ceiling\/wall-mount installations with even more compact footprint.<\/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:#1a3c5e;color:#fff;cursor:pointer;font-weight:bold;font-size:clamp(13px,1.5vw,15px);list-style:none;word-break:break-word;\">&#9654; Are the hollow bore dimensions of the WPKS identical to the WPKA?<\/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 K-type hollow bore dimensions (bore diameter, keyway dimensions, H7 tolerance) are standardised across all K-variant products (WPKA, WPKS, WPKZ, and their D-variants) for the same size code. This standardisation allows driven shaft designs to be shared across multiple gearbox configurations.<\/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\": \"Is the WPKS the same as mounting a WPS upside down with a hollow bore adaptor?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. The WPKS is engineered from the ground up as a K+S combination unit. The internal oil channels, bearing preloads, and seal positions are all designed for the simultaneous K+S configuration. 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WPKZ: input shaft from vertically above with flange-mount housing (Z-type) \\u2014 suited for ceiling\\\/wall-mount installations with even more compact footprint.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Are the hollow bore dimensions of the WPKS identical to the WPKA?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The K-type hollow bore dimensions (bore diameter, keyway dimensions, H7 tolerance) are standardised across all K-variant products (WPKA, WPKS, WPKZ, and their D-variants) for the same size code. This standardisation allows driven shaft designs to be shared across multiple gearbox configurations.\"\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,#1a3c5e,#1a3c5edd);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 WPKS 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=\"\/ta\/contact-us\/\" style=\"background:#fff;color:#1a3c5e;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=\"\/ta\/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 application combines a top-entry input shaft with a through-bore hollow output \u2014 scenarios common in vertical mixer shafts, overhead fan drives, and shaft-mounted conveyor equipment \u2014 you need a gearbox that handles both without compromise. Cast iron solid integral cast iron, 1\/5\u20131\/60 ratio range, 40\u2013250mm sizes. K+S: top-entry input shaft with hollow-bore output \u2014 unique shaft routing. ISO 9001:2000, CE certified.<\/p>","protected":false},"featured_media":3061,"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":[8720,8701,8719,8718,8721],"class_list":{"0":"post-3198","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-shaft-reducer","8":"product_tag-hollow-shaft-worm-gearbox","9":"product_tag-k-type-s-type-worm-gearbox","10":"product_tag-overhead-input-hollow-bore-reducer","11":"product_tag-vertical-motor-hollow-output","13":"first","14":"instock","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/gearboxesworm.xyz\/ta\/wp-json\/wp\/v2\/product\/3198","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gearboxesworm.xyz\/ta\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/gearboxesworm.xyz\/ta\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/gearboxesworm.xyz\/ta\/wp-json\/wp\/v2\/comments?post=3198"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gearboxesworm.xyz\/ta\/wp-json\/wp\/v2\/media\/3061"}],"wp:attachment":[{"href":"https:\/\/gearboxesworm.xyz\/ta\/wp-json\/wp\/v2\/media?parent=3198"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/gearboxesworm.xyz\/ta\/wp-json\/wp\/v2\/product_brand?post=3198"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/gearboxesworm.xyz\/ta\/wp-json\/wp\/v2\/product_cat?post=3198"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/gearboxesworm.xyz\/ta\/wp-json\/wp\/v2\/product_tag?post=3198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}