{"id":1760,"date":"2026-06-04T09:50:19","date_gmt":"2026-06-04T09:50:19","guid":{"rendered":"https:\/\/reducers-worm.xyz\/product\/wpka-single-speed-cast-iron-worm-reducer-wp-series\/"},"modified":"2026-06-04T09:50:20","modified_gmt":"2026-06-04T09:50:20","slug":"wpka-single-speed-cast-iron-worm-reducer-wp-series","status":"publish","type":"product","link":"https:\/\/reducers-worm.xyz\/ko\/product\/wpka-single-speed-cast-iron-worm-reducer-wp-series\/","title":{"rendered":"WPKA Single Speed Cast Iron Worm Reducer \u2014 WP Series"},"content":{"rendered":"<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"WPKA Single Speed Cast Iron Worm Reducer u2014 WP Series\",\n    \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"Ever Power\"\n    },\n    \"description\": \"Ever Power WPKA single speed hollow shaft cast iron worm reducer. K-type hollow bore output, shaft-mount capable, sizes 40u2013250 mm, ratio 1\\\/5u20131\\\/60. ISO 9001, CE certified.\",\n    \"material\": \"FC20+ grey cast iron; tin-bronze worm wheel\",\n    \"sku\": \"WPKA\",\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(14px,2vw,18px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;\">\n<h2 style=\"color:#185FA5;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #185FA5;padding-bottom:8px;margin-top:32px;margin-bottom:16px;\">WPKA Hollow Shaft Cast Iron Worm Reducer \u2014 Product Overview<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:20px;align-items:flex-start;\">\n<div style=\"flex:1 1 58%;word-break:break-word;\">\n<p>Conventional solid-output worm reducers require a shaft coupling between the reducer and the driven equipment \u2014 adding installation time, alignment risk, and ongoing coupling maintenance. The <strong>WPKA<\/strong> eliminates all three: its K-type hollow bore slides directly over the driven shaft and locks via key and keyway, creating a rigid, zero-coupling drive in a single assembly step.<\/p>\n<p>This clean mechanical integration makes the WPKA the standard choice for <strong>shaft-mounted conveyor head drives, mixer agitators, and rotating platform drives<\/strong> across mining, chemical processing, and bulk handling industries. The same FC20+ cast iron housing as the solid-output WPA ensures identical vibration damping and thermal performance \u2014 the hollow bore does not compromise structural rigidity.<\/p>\n<p><a href=\"\/ko\/contact-us\/\" style=\"color:#185FA5;font-weight:bold;text-decoration:underline;\">&#9993; Request a Quote<\/a>&nbsp;|&nbsp;<a href=\"\/ko\/about-us\/\" style=\"color:#185FA5;text-decoration:underline;\">About Ever Power<\/a><\/p>\n<\/div>\n<div style=\"flex:1 1 38%;min-width:200px;\"><img decoding=\"async\" src=\"https:\/\/reducers-worm.xyz\/wp-content\/uploads\/2026\/06\/WPKA-hollow-shaft-single-speed-worm-reducer.webp\" alt=\"WPKA hollow shaft cast iron worm reducer K-type bore 40\u2013250 mm\" style=\"max-width:100%;height:auto;border-radius:6px;box-shadow:0 2px 8px rgba(0,0,0,0.12);\"><\/div>\n<\/div>\n<\/div>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(14px,2vw,18px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;\">\n<h2 style=\"color:#185FA5;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #185FA5;padding-bottom:8px;margin-top:32px;margin-bottom:16px;\">WPKA Worm Reducer Specifications<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/reducers-worm.xyz\/wp-content\/uploads\/2026\/06\/WPKA-single-speed-worm-reducer-dimension.webp\" alt=\"WPKA hollow shaft worm reducer dimension drawing with bore and torque arm dimensions\" style=\"max-width:100%;height:auto;margin:12px 0 20px;border-radius:4px;\"><\/p>\n<div style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:16px 0;\">\n<table style=\"width:100%;border-collapse:collapse;min-width:400px;\">\n<thead>\n<tr>\n<th style=\"padding:9px 12px;background:#185FA5;color:#fff;text-align:left;font-size:13px;white-space:nowrap;\">Parameter<\/th>\n<th style=\"padding:9px 12px;background:#185FA5;color:#fff;text-align:left;font-size:13px;white-space:nowrap;\">Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">Series<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">Single Speed<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">Housing Structure<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">Solid integral cast iron<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">Input Configuration<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">Solid shaft \u2014 below (A-type)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">Output Configuration<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">Hollow bore \u2014 K-type through-hole<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">Reduction Ratio<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">1\/5\u20131\/60<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">Centre Distance<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">40\u2013250 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">\uc124\uce58<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">Foot-mount or shaft-mount with torque arm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">Housing Material<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">FC20+ grey cast iron (GG20)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">\uc6dc\ud720 \uc18c\uc7ac<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">Tin-bronze ZCuSn10Pb1<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">\uc6dc \uc0e4\ud504\ud2b8 \uc7ac\uc9c8<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">20CrMnTi, 55\u201360 HRC surface<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">\ub9e4\ub044\ub7fd\uac8c \ud558\uae30<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">N220\u2013N320 (\u221230\u00b0C\u201340\u00b0C); N320\u2013N460 (40\u00b0C\u201365\u00b0C)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">Max Oil Temperature<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">95\u00b0C continuous<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">Weight Range<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">5\u2013360 kg<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">Special Feature<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">K-type hollow output bore \u2014 driven shaft inserts directly, keyed connection<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 style='color:#185FA5;font-size:16px;margin:24px 0 8px;font-family:Arial,sans-serif;'>Size &amp; Dimension Data<\/h3>\n<div style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:16px 0;\">\n<table style=\"width:100%;border-collapse:collapse;min-width:400px;\">\n<thead>\n<tr>\n<th style=\"padding:9px 12px;background:#185FA5;color:#fff;text-align:left;font-size:13px;white-space:nowrap;\">Size<\/th>\n<th style=\"padding:9px 12px;background:#185FA5;color:#fff;text-align:left;font-size:13px;white-space:nowrap;\">\ube44\uc728<\/th>\n<th style=\"padding:9px 12px;background:#185FA5;color:#fff;text-align:left;font-size:13px;white-space:nowrap;\">Input Power (kW)<\/th>\n<th style=\"padding:9px 12px;background:#185FA5;color:#fff;text-align:left;font-size:13px;white-space:nowrap;\">Output Torque (Nm)<\/th>\n<th style=\"padding:9px 12px;background:#185FA5;color:#fff;text-align:left;font-size:13px;white-space:nowrap;\">A (mm)<\/th>\n<th style=\"padding:9px 12px;background:#185FA5;color:#fff;text-align:left;font-size:13px;white-space:nowrap;\">AB (mm)<\/th>\n<th style=\"padding:9px 12px;background:#185FA5;color:#fff;text-align:left;font-size:13px;white-space:nowrap;\">B (mm)<\/th>\n<th style=\"padding:9px 12px;background:#185FA5;color:#fff;text-align:left;font-size:13px;white-space:nowrap;\">BB (mm)<\/th>\n<th style=\"padding:9px 12px;background:#185FA5;color:#fff;text-align:left;font-size:13px;white-space:nowrap;\">Weight (kg)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">40<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">143<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">87<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">85<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">40<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">5<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">50<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">175<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">108<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">105<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">50<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">7.5<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">60<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">198<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">120<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">110<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">60<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">11<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">70<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">231<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">140<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">130<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">70<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">15.5<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">80<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">261<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">160<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">150<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">80<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">22<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">100<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">322<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">190<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">160<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">100<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">36<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">120<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">371<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">219<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">175<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">120<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">62<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">135<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">422<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">249<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">210<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">135<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">80<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">155<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">497<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">295<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">256<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">155<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">114<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">175<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">534<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">314<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">282<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">175<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">150<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">200<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">580<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">342<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">320<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">200<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#f4f7fb;font-size:13px;\">215<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">250<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">\u2014<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">705<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">420<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">400<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">250<\/td>\n<td style=\"padding:7px 12px;border-bottom:1px solid #e8e8e8;background:#fff;font-size:13px;\">360<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(14px,2vw,18px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;\">\n<h2 style=\"color:#185FA5;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #185FA5;padding-bottom:8px;margin-top:32px;margin-bottom:16px;\">WPKA Hollow Shaft Worm Reducer \u2014 Core Features<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:16px;\">\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<h3 style=\"color:#185FA5;font-size:15px;margin:0 0 8px;font-family:Arial,sans-serif;\">&#9632; K-Type Through-Bore \u2014 Zero Coupling Hardware<\/h3>\n<p style=\"font-size:14px;color:#444;margin:0;line-height:1.6;\">The H7-tolerance through-bore with GB\/T 1095 keyway accepts the driven shaft directly. Rigid keyed connection transmits full rated torque without coupling elements \u2014 no coupling lubrication schedule, no coupling fatigue failure risk.<\/p>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<h3 style=\"color:#185FA5;font-size:15px;margin:0 0 8px;font-family:Arial,sans-serif;\">&#9632; Bore Diameters 18.8\u201390 mm Across 12 Sizes<\/h3>\n<p style=\"font-size:14px;color:#444;margin:0;line-height:1.6;\">From 18.8 mm (size 40) for small conveyor stub shafts to 90 mm (size 250) for large agitator main shafts \u2014 covering the complete range of standard industrial shaft diameters in a single product series.<\/p>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<h3 style=\"color:#185FA5;font-size:15px;margin:0 0 8px;font-family:Arial,sans-serif;\">&#9632; Torque Arm Boss \u2014 Housing Rotation Prevented<\/h3>\n<p style=\"font-size:14px;color:#444;margin:0;line-height:1.6;\">A machined torque arm boss on the housing accepts a standard reaction arm to prevent housing rotation when shaft-mounted. Multiple anchor point orientations accommodate varied installation geometries.<\/p>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<h3 style=\"color:#185FA5;font-size:15px;margin:0 0 8px;font-family:Arial,sans-serif;\">&#9632; FC20+ Cast Iron \u2014 Full Structural Integrity Retained<\/h3>\n<p style=\"font-size:14px;color:#444;margin:0;line-height:1.6;\">The hollow output bore does not reduce housing rigidity. The WPKA retains the same FC20+ cast iron construction as the solid-output WPA, with identical 95\u00b0C continuous oil temperature rating.<\/p>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<h3 style=\"color:#185FA5;font-size:15px;margin:0 0 8px;font-family:Arial,sans-serif;\">&#9632; Double-Lip Oil Seal on Both Bore Ends<\/h3>\n<p style=\"font-size:14px;color:#444;margin:0;line-height:1.6;\">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 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<h3 style=\"color:#185FA5;font-size:15px;margin:0 0 8px;font-family:Arial,sans-serif;\">&#9632; Bilateral Solid Input Shaft Maintained<\/h3>\n<p style=\"font-size:14px;color:#444;margin:0;line-height:1.6;\">Despite the hollow output bore, the input remains a standard solid shaft with bilateral connection, 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(14px,2vw,18px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;\">\n<h2 style=\"color:#185FA5;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #185FA5;padding-bottom:8px;margin-top:32px;margin-bottom:16px;\">WPKA Worm Reducer \u2014 Industry Applications<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/reducers-worm.xyz\/wp-content\/uploads\/2026\/06\/mining-application.webp\" alt=\"WPKA hollow shaft worm reducer mining conveyor and shaft-mount applications\" style=\"max-width:100%;height:auto;margin:12px 0;border-radius:6px;\"><\/p>\n<div style=\"display:flex;flex-wrap:wrap;gap:16px;\">\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-radius:8px;padding:16px;\">\n<h3 style=\"font-size:15px;color:#185FA5;margin:0 0 8px;font-family:Arial,sans-serif;\">&#9866; Shaft-Mounted Conveyor Head Drives<\/h3>\n<p style=\"font-size:14px;color:#444;margin:0;line-height:1.6;\">The WPKA slides onto the conveyor head shaft, eliminating the external coupling and shaft-to-shaft alignment that accounts for a large share of conveyor drive maintenance issues. The torque arm handles the housing restraint.<\/p>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-radius:8px;padding:16px;\">\n<h3 style=\"font-size:15px;color:#185FA5;margin:0 0 8px;font-family:Arial,sans-serif;\">&#9781; Agitator &amp; Mixer Drives<\/h3>\n<p style=\"font-size:14px;color:#444;margin:0;line-height:1.6;\">Vessel agitator shafts drop straight through the WPKA hollow bore. No exposed coupling in corrosive process environments means no coupling fatigue failures and no coupling lubrication maintenance.<\/p>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-radius:8px;padding:16px;\">\n<h3 style=\"font-size:15px;color:#185FA5;margin:0 0 8px;font-family:Arial,sans-serif;\">&#9874; Bucket Elevator Head Drives<\/h3>\n<p style=\"font-size:14px;color:#444;margin:0;line-height:1.6;\">The shaft-mount configuration handles the sustained radial loads of bucket elevator drives better than solid-output units with external couplings that introduce additional bending moments on the shaft.<\/p>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-radius:8px;padding:16px;\">\n<h3 style=\"font-size:15px;color:#185FA5;margin:0 0 8px;font-family:Arial,sans-serif;\">&#9883; Fan &amp; Blower Drives<\/h3>\n<p style=\"font-size:14px;color:#444;margin:0;line-height:1.6;\">Industrial fan shafts mount directly into the WPKA bore, removing coupling hub mass from the shaft overhang and improving dynamic balance in high-speed fan applications.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(14px,2vw,18px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;\">\n<h2 style=\"color:#185FA5;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #185FA5;padding-bottom:8px;margin-top:32px;margin-bottom:16px;\">Ever Power Manufacturing Quality \u2014 WPKA Worm Reducer<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/reducers-worm.xyz\/wp-content\/uploads\/2026\/06\/worm-gearbox-factory-1.webp\" alt=\"Ever Power hollow shaft worm reducer manufacturing\" style=\"max-width:100%;height:auto;margin:12px 0;border-radius:6px;\"><\/p>\n<div style=\"display:flex;flex-wrap:wrap;gap:14px;\">\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<h3 style=\"color:#185FA5;font-size:15px;margin:0 0 8px;font-family:Arial,sans-serif;\">&#9632; ISO 9001:2000 Certified<\/h3>\n<p style=\"font-size:14px;color:#444;margin:0;line-height:1.6;\">Every unit is manufactured under ISO 9001:2000 quality management. Raw material inspection, in-process checks, and final testing are all documented and traceable to each unit&#8217;s serial number.<\/p>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<h3 style=\"color:#185FA5;font-size:15px;margin:0 0 8px;font-family:Arial,sans-serif;\">&#9632; CE Marking \u2014 EU Machinery Directive 2006\/42\/EC<\/h3>\n<p style=\"font-size:14px;color:#444;margin:0;line-height:1.6;\">Full CE compliance confirms adherence to European safety and design standards for mechanical power transmission, supporting export to EU, UK, Australian, and New Zealand markets.<\/p>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<h3 style=\"color:#185FA5;font-size:15px;margin:0 0 8px;font-family:Arial,sans-serif;\">&#9632; Pre-Shipment Testing: Noise, Leak, Torque<\/h3>\n<p style=\"font-size:14px;color:#444;margin:0;line-height:1.6;\">Every unit passes three tests before shipping: noise below 68 dB(A) at rated load, 30-minute pressurisation leak test, and torque transmission within \u00b15% of rated value. Non-conforming units are reworked \u2014 not shipped.<\/p>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<h3 style=\"color:#185FA5;font-size:15px;margin:0 0 8px;font-family:Arial,sans-serif;\">&#9632; FC20+ Material Certification<\/h3>\n<p style=\"font-size:14px;color:#444;margin:0;line-height:1.6;\">Housing castings are verified by mill certificates for FC20 grade: minimum 220 MPa tensile strength, 160\u2013200 HB hardness. Ultrasonic defect testing is performed on size 135 and above.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(14px,2vw,18px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;\">\n<h2 style=\"color:#185FA5;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #185FA5;padding-bottom:8px;margin-top:32px;margin-bottom:16px;\">WPKA Hollow Shaft Worm Reducer \u2014 Customer Reviews<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:16px;\">\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#fff;border:1px solid #e8e8e8;border-radius:8px;padding:16px;\">\n<div style=\"color:#f5a623;font-size:18px;margin-bottom:6px;\">\u2605\u2605\u2605\u2605\u2605<\/div>\n<p style=\"font-size:14px;color:#333;font-style:italic;margin:0 0 10px;\">&ldquo;Replaced all belt conveyor head drives with WPKA shaft-mount units at our mine. Eliminated coupling failures entirely \u2014 zero drive-related stoppages in two years. Hollow bore installation takes 20 minutes per unit.&rdquo;<\/p>\n<div style=\"font-size:13px;color:#666;border-top:1px solid #eee;padding-top:8px;\"><strong>Darwin \u2014 D.C.<\/strong><\/div>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#fff;border:1px solid #e8e8e8;border-radius:8px;padding:16px;\">\n<div style=\"color:#f5a623;font-size:18px;margin-bottom:6px;\">\u2605\u2605\u2605\u2605\u2605<\/div>\n<p style=\"font-size:14px;color:#333;font-style:italic;margin:0 0 10px;\">&ldquo;WPKA drives our reactor agitator shafts. Hollow bore goes straight onto the agitator shaft \u2014 no coupling exposed to our corrosive process atmosphere. Zero leaks after 36 months continuous operation.&rdquo;<\/p>\n<div style=\"font-size:13px;color:#666;border-top:1px solid #eee;padding-top:8px;\"><strong>Geelong \u2014 I.P.<\/strong><\/div>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#fff;border:1px solid #e8e8e8;border-radius:8px;padding:16px;\">\n<div style=\"color:#f5a623;font-size:18px;margin-bottom:6px;\">\u2605\u2605\u2605\u2605\u2605<\/div>\n<p style=\"font-size:14px;color:#333;font-style:italic;margin:0 0 10px;\">&ldquo;Used WPKA-135 on bucket elevator head drives. Shaft-mount design reduced installed drive height by 180 mm versus solid-output unit plus coupling. Significant clearance improvement.&rdquo;<\/p>\n<div style=\"font-size:13px;color:#666;border-top:1px solid #eee;padding-top:8px;\"><strong>Hamburg \u2014 M.F.<\/strong><\/div>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#fff;border:1px solid #e8e8e8;border-radius:8px;padding:16px;\">\n<div style=\"color:#f5a623;font-size:18px;margin-bottom:6px;\">\u2605\u2605\u2605\u2605\u2606<\/div>\n<p style=\"font-size:14px;color:#333;font-style:italic;margin:0 0 10px;\">&ldquo;WPKA on steriliser cage conveyor in a wet steam environment. Cast iron durability outlasted the aluminium hollow-shaft units we previously used. Would appreciate Viton seal option as standard on these sizes.&rdquo;<\/p>\n<div style=\"font-size:13px;color:#666;border-top:1px solid #eee;padding-top:8px;\"><strong>Kuala Lumpur \u2014 S.R.<\/strong><\/div>\n<\/div>\n<\/div>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"WPKA Single Speed Cast Iron Worm Reducer u2014 WP Series\",\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\": \"Darwin u2014 D.C.\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"Replaced all belt conveyor head drives with WPKA shaft-mount units at our mine. Eliminated coupling failures entirely u2014 zero drive-related stoppages in two years. Hollow bore installation takes 20 minutes per unit.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Geelong u2014 I.P.\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"WPKA drives our reactor agitator shafts. Hollow bore goes straight onto the agitator shaft u2014 no coupling exposed to our corrosive process atmosphere. Zero leaks after 36 months continuous operation.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Hamburg u2014 M.F.\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"Used WPKA-135 on bucket elevator head drives. Shaft-mount design reduced installed drive height by 180 mm versus solid-output unit plus coupling. Significant clearance improvement.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Kuala Lumpur u2014 S.R.\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"4\",\n                \"bestRating\": \"5\"\n            },\n            \"reviewBody\": \"WPKA on steriliser cage conveyor in a wet steam environment. Cast iron durability outlasted the aluminium hollow-shaft units we previously used. Would appreciate Viton seal option as standard on these sizes.\"\n        }\n    ]\n}<\/script><\/div>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(14px,2vw,18px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;\">\n<h2 style=\"color:#185FA5;font-size:clamp(18px,2.5vw,24px);font-family:Arial,sans-serif;border-bottom:3px solid #185FA5;padding-bottom:8px;margin-top:32px;margin-bottom:16px;\">Frequently Asked Questions \u2014 WPKA Worm Reducer<\/h2>\n<details style=\"margin-bottom:10px;border:1px solid #e8e8e8;border-radius:6px;overflow:hidden;\">\n<summary style=\"padding:14px 16px;background:#185FA5;color:#fff;cursor:pointer;font-weight:bold;font-size:14px;list-style:none;\">&#9654; What are the hollow bore diameters for each WPKA size?<\/summary>\n<div style=\"padding:14px 16px;background:#f8f9fa;font-size:14px;color:#333;line-height:1.7;\">Bore diameters (mm): size 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.<\/div>\n<\/details>\n<details style=\"margin-bottom:10px;border:1px solid #e8e8e8;border-radius:6px;overflow:hidden;\">\n<summary style=\"padding:14px 16px;background:#185FA5;color:#fff;cursor:pointer;font-weight:bold;font-size:14px;list-style:none;\">&#9654; How is the WPKA secured to the driven shaft?<\/summary>\n<div style=\"padding:14px 16px;background:#f8f9fa;font-size:14px;color:#333;line-height:1.7;\">Insert the driven shaft into the hollow bore to the shoulder. Install the supplied key into the aligned keyway. Tighten set screws to 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 #e8e8e8;border-radius:6px;overflow:hidden;\">\n<summary style=\"padding:14px 16px;background:#185FA5;color:#fff;cursor:pointer;font-weight:bold;font-size:14px;list-style:none;\">&#9654; Does the WPKA require coupling maintenance?<\/summary>\n<div style=\"padding:14px 16px;background:#f8f9fa;font-size:14px;color:#333;line-height:1.7;\">No. The hollow bore directly receives the driven shaft \u2014 there is no coupling hardware. Ongoing maintenance is limited to worm gear oil changes every 2,500 hours and periodic torque arm bracket inspection.<\/div>\n<\/details>\n<details style=\"margin-bottom:10px;border:1px solid #e8e8e8;border-radius:6px;overflow:hidden;\">\n<summary style=\"padding:14px 16px;background:#185FA5;color:#fff;cursor:pointer;font-weight:bold;font-size:14px;list-style:none;\">&#9654; Can the WPKA be mounted vertically on the driven shaft?<\/summary>\n<div style=\"padding:14px 16px;background:#f8f9fa;font-size:14px;color:#333;line-height:1.7;\">Yes, with correct torque arm orientation. Verify oil fill level against the non-horizontal mounting lubrication tables, as the oil level mark shifts for vertical shaft applications.<\/div>\n<\/details>\n<details style=\"margin-bottom:10px;border:1px solid #e8e8e8;border-radius:6px;overflow:hidden;\">\n<summary style=\"padding:14px 16px;background:#185FA5;color:#fff;cursor:pointer;font-weight:bold;font-size:14px;list-style:none;\">&#9654; What is the maximum radial load on the WPKA hollow bore output?<\/summary>\n<div style=\"padding:14px 16px;background:#f8f9fa;font-size:14px;color:#333;line-height:1.7;\">The permissible radial load depends on the load application point along the bore. For distributed loads (full shaft engagement), rated radial load is significantly higher than for point loads at mid-bore. Contact Ever Power applications engineering with your specific shaft and load details.<\/div>\n<\/details>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What are the hollow bore diameters for each WPKA size?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Bore diameters (mm): size 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.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How is the WPKA secured to the driven shaft?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Insert the driven shaft into the hollow bore to the shoulder. Install the supplied key into the aligned keyway. Tighten set screws to specified torque. Mount the torque arm reaction bracket to a fixed structure to prevent housing rotation.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does the WPKA require coupling maintenance?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. The hollow bore directly receives the driven shaft u2014 there is no coupling hardware. Ongoing maintenance is limited to worm gear oil changes every 2,500 hours and periodic torque arm bracket inspection.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can the WPKA be mounted vertically on the driven shaft?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes, with correct torque arm orientation. 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Contact Ever Power applications engineering with your specific shaft and load details.\"\n            }\n        }\n    ]\n}<\/script><\/div>\n<div style=\"font-family:Arial,sans-serif;font-size:clamp(14px,2vw,18px);line-height:1.7;word-break:break-word;overflow-wrap:break-word;padding:2% 3%;background:linear-gradient(135deg,#185FA5,#185FA5dd);color:#fff;border-radius:10px;margin:20px 0;text-align:center;\">\n<h2 style=\"color:#fff;font-size:clamp(18px,2.5vw,22px);margin:0 0 12px;\">Get Your WPKA Quote Today<\/h2>\n<p style=\"color:#ddeeff;margin:0 0 20px;font-size:15px;max-width:600px;display:inline-block;\">Tell Ever Power your application requirements \u2014 torque, ratio, mounting, and shaft dimensions. Engineering response within 24 hours. OEM custom specifications, bulk pricing, and global shipping available.<\/p>\n<div style=\"display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:16px;\"><a href=\"\/ko\/contact-us\/\" style=\"background:#fff;color:#185FA5;padding:12px 28px;border-radius:6px;text-decoration:none;font-weight:bold;font-size:14px;\">&#9993; Request a Quote<\/a><a href=\"\/ko\/products\/\" style=\"background:rgba(255,255,255,0.15);color:#fff;padding:12px 28px;border-radius:6px;text-decoration:none;font-size:14px;border:2px solid #fff;\">All Products<\/a><a href=\"\/ko\/about-us\/\" style=\"background:rgba(255,255,255,0.1);color:#fff;padding:12px 28px;border-radius:6px;text-decoration:none;font-size:14px;border:1px solid rgba(255,255,255,0.4);\">About Ever Power<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p style=\"font-family:Arial,sans-serif;font-size:clamp(14px,2vw,16px);line-height:1.7;word-break:break-word;\">The WPKA hollow shaft worm reducer mounts directly onto driven shafts via a K-type through-bore \u2014 no coupling, no alignment. Available in 12 sizes (40\u2013250 mm), 1\/5\u20131\/60 ratios, weights 5\u2013360 kg. Eliminates coupling hardware on conveyor head drives, agitators, and shaft-mounted applications.<\/p>","protected":false},"featured_media":1596,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[913],"product_tag":[926,927,923,925,924],"class_list":{"0":"post-1760","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-cast-iron-worm-reducer","7":"product_tag-cast-iron-hollow-output-worm-drive","8":"product_tag-coupling-free-shaft-reducer","9":"product_tag-hollow-shaft-worm-reducer","10":"product_tag-k-type-hollow-bore-reducer","11":"product_tag-shaft-mount-worm-reducer","13":"first","14":"instock","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/reducers-worm.xyz\/ko\/wp-json\/wp\/v2\/product\/1760","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/reducers-worm.xyz\/ko\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/reducers-worm.xyz\/ko\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/reducers-worm.xyz\/ko\/wp-json\/wp\/v2\/comments?post=1760"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/reducers-worm.xyz\/ko\/wp-json\/wp\/v2\/media\/1596"}],"wp:attachment":[{"href":"https:\/\/reducers-worm.xyz\/ko\/wp-json\/wp\/v2\/media?parent=1760"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/reducers-worm.xyz\/ko\/wp-json\/wp\/v2\/product_brand?post=1760"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/reducers-worm.xyz\/ko\/wp-json\/wp\/v2\/product_cat?post=1760"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/reducers-worm.xyz\/ko\/wp-json\/wp\/v2\/product_tag?post=1760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}