{"id":1838,"date":"2026-05-26T08:56:39","date_gmt":"2026-05-26T08:56:39","guid":{"rendered":"https:\/\/chinawormgearbox.xyz\/product\/wpdks-flange-mounted-hollow-shaft-worm-gear-reducer-with-cooling-fins\/"},"modified":"2026-05-26T08:56:40","modified_gmt":"2026-05-26T08:56:40","slug":"wpdks-flange-mounted-hollow-shaft-worm-gear-reducer-with-cooling-fins","status":"publish","type":"product","link":"https:\/\/chinawormgearbox.xyz\/ar\/product\/wpdks-flange-mounted-hollow-shaft-worm-gear-reducer-with-cooling-fins\/","title":{"rendered":"WPDKS Flange-Mounted Hollow Shaft Worm Gear Reducer with Cooling Fins"},"content":{"rendered":"<article style=\"font-family:Arial,sans-serif;font-size:clamp(14px,2vw + 10px,18px);color:#333;line-height:1.75;word-break:break-word;overflow-wrap:break-word;max-width:1200px;margin:0 auto;padding:3%;\">\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\\\/\",\n    \"@type\": \"Product\",\n    \"name\": \"WPDKS Flange-Mounted Hollow Shaft Worm Gear Reducer with Cooling Fins\",\n    \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"Ever-power\"\n    },\n    \"description\": \"WPDKS flange hollow shaft worm reducer with cooling fins, sizes 40\\u2013250, ratios 1\\\/5\\u20131\\\/60, designed for continuous duty in paper-making, textile, and high-frequency start applications.\",\n    \"category\": \"WP Series Worm Reducer\"\n}<\/script><\/p>\n<p><!-- INTRO BANNER --><\/p>\n<section style=\"background:linear-gradient(135deg,#1b4332,#2d6a4f);color:#fff;border-radius:10px;padding:3%;margin-bottom:2em;\">\n<h1 style=\"font-size:clamp(18px,2.5vw + 12px,28px);margin:0 0 0.5em;\">WPDKS Flange-Mounted Hollow Shaft Worm Gear Reducer with Cooling Fins<\/h1>\n<p style=\"margin:0;opacity:0.92;font-size:clamp(14px,1.5vw + 10px,17px);\">Closed-space continuous operation creates a thermal management challenge that standard gearboxes fail: as cycle frequency increases, oil temperature climbs and efficiency drops \u2014 until the unit overheats and fails. The <strong>WPDKS hollow shaft flange worm reducer<\/strong> solves this with an extended cast-iron cooling-fin housing that maximises natural convection, keeping oil temperature below 95 \u00b0C even in dense 24-hour paper and textile mill environments. Paired with direct motor flange coupling and a hollow output shaft, it delivers a maintenance-lean drivetrain purpose-built for wash-down, high-humidity, and rapid-cycle applications.<\/p>\n<\/section>\n<p><!-- SPECS --><\/p>\n<section style=\"margin-bottom:2.5em;\">\n<h2 style=\"font-size:clamp(16px,2vw + 10px,22px);color:#1b4332;border-left:4px solid #2d6a4f;padding-left:0.6em;\">Technical Specifications<\/h2>\n<div style=\"text-align:center;margin:1.2em 0;\">\n    <img decoding=\"async\" src=\"https:\/\/chinawormgearbox.xyz\/wp-content\/uploads\/2026\/05\/WPDKS-single-speed-worm-reducer-specification.webp\" alt=\"WPDKS worm reducer specification and dimensions\" style=\"max-width:100%;height:auto;border-radius:8px;box-shadow:0 2px 12px rgba(0,0,0,0.12);\" loading=\"lazy\"\/>\n  <\/div>\n<div style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:clamp(12px,1.2vw + 9px,14px);min-width:700px;\">\n<thead>\n<tr style=\"background:#1b4332;color:#fff;\">\n<th style=\"padding:8px 6px;text-align:center;border:1px solid #2d6a4f;\">Size<\/th>\n<th style=\"padding:8px 6px;text-align:center;border:1px solid #2d6a4f;\">Input Power (kW)<\/th>\n<th style=\"padding:8px 6px;text-align:center;border:1px solid #2d6a4f;\">Ratio<\/th>\n<th style=\"padding:8px 6px;text-align:center;border:1px solid #2d6a4f;\">A (mm)<\/th>\n<th style=\"padding:8px 6px;text-align:center;border:1px solid #2d6a4f;\">AB (mm)<\/th>\n<th style=\"padding:8px 6px;text-align:center;border:1px solid #2d6a4f;\">B (mm)<\/th>\n<th style=\"padding:8px 6px;text-align:center;border:1px solid #2d6a4f;\">H (mm)<\/th>\n<th style=\"padding:8px 6px;text-align:center;border:1px solid #2d6a4f;\">HL (mm)<\/th>\n<th style=\"padding:8px 6px;text-align:center;border:1px solid #2d6a4f;\">Hollow Bore S\u00d7W\u00d7Y<\/th>\n<th style=\"padding:8px 6px;text-align:center;border:1px solid #2d6a4f;\">Weight (kg)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#f0f7f4;\">\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">40<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">0.12<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">135<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">75<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">85<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">138<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">40<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">16\u00d76\u00d718.8<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">5<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">50<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">0.18<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">151<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">83<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">105<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">176<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">50<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">20\u00d76\u00d722.8<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">8<\/td>\n<\/tr>\n<tr style=\"background:#f0f7f4;\">\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">60<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">0.37<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">167<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">91<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">110<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">207<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">60<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">25\u00d78\u00d728.3<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">10.5<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">70<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">0.37\u20130.75<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">200\u2013202<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">109\u2013111<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">130<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">238<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">70<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">30\u00d78\u00d733.3<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">14.5<\/td>\n<\/tr>\n<tr style=\"background:#f0f7f4;\">\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">80<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">0.75\u20131.5<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">225<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">125<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">150<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">270<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">80<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">35\u00d710\u00d738.3<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">22<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">100<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">1.5<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">280<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">148<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">160<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">334<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">100<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">40\u00d712\u00d743.3<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">38<\/td>\n<\/tr>\n<tr style=\"background:#f0f7f4;\">\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">120<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">2.2\u20133.0<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">333<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">181<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">175<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">423<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">120<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">45\u00d714\u00d748.8<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">60<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">135<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">3.0\u20134.0<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">375<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">202<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">210<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">482<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">135<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">60\u00d718\u00d764.4<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">85<\/td>\n<\/tr>\n<tr style=\"background:#f0f7f4;\">\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">155<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">4.0\u20135.5<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">425\u2013448<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">224\u2013247<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">256<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">541<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">155<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">70\u00d720\u00d774.9<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">120<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">175<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">5.5\u20137.5<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">481<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">262<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">282<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">600<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">175<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">80\u00d722\u00d785.4<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">150<\/td>\n<\/tr>\n<tr style=\"background:#f0f7f4;\">\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">200<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">7.5\u201311.0<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">516\u2013543<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">258\u2013285<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">320<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">677<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">200<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">85\u00d722\u00d790.4<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">218<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">250<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">11.0\u201315.0<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">1\/5\u20131\/60<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">615<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">330<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">400<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">824<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">250<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">110\u00d728\u00d7116.4<\/td>\n<td style=\"padding:7px 6px;border:1px solid #c3ddd4;text-align:center;\">350<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p style=\"font-size:clamp(12px,1.2vw + 9px,14px);color:#777;margin-top:0.5em;\">&#9432; Input shaft speed reference: 1500 r\/min. Maximum output torque 3025 N\u00b7m at size 250, ratio 1\/60.<\/p>\n<\/section>\n<p><!-- STRUCTURE --><\/p>\n<section style=\"margin-bottom:2.5em;background:#f0f7f4;border-radius:10px;padding:3%;\">\n<h2 style=\"font-size:clamp(16px,2vw + 10px,22px);color:#1b4332;border-left:4px solid #2d6a4f;padding-left:0.6em;\">Product Structure &amp; Cooling Design<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:1.5em;align-items:center;\">\n<div style=\"flex:1;min-width:260px;\">\n      <img decoding=\"async\" src=\"https:\/\/chinawormgearbox.xyz\/wp-content\/uploads\/2026\/05\/wp-cast-iron-worm-gearbox-structure.webp\" alt=\"WPDKS cooling fin worm gearbox structure\" style=\"max-width:100%;height:auto;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,0.1);\" loading=\"lazy\"\/>\n    <\/div>\n<div style=\"flex:1;min-width:260px;\">\n<p>The WPDKS distinguishes itself from the WPDKA through its <strong>extended cooling-fin housing geometry<\/strong>. Multiple cast-in longitudinal fins on both housing walls increase the effective surface area by approximately 40%, dramatically improving natural convection. This thermal engineering choice enables continuous 24\/7 operation in enclosed spaces \u2014 paper mills, dyeing rooms, and wash-down production lines \u2014 without the need for forced-air cooling attachments.<\/p>\n<p>Internally, the drivetrain mirrors the proven WPDKA design: a case-hardened alloy steel worm drives a phosphor-bronze wheel. The <strong>hollow output shaft<\/strong> is supported by pre-loaded angular-contact bearings. The motor bolts directly to the B5\/B14 flange input face, creating a rigid, zero-coupling assembly. Oil-fill, drain, and breather ports are positioned to remain accessible regardless of mounting orientation.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p><!-- FEATURES --><\/p>\n<section style=\"margin-bottom:2.5em;\">\n<h2 style=\"font-size:clamp(16px,2vw + 10px,22px);color:#1b4332;border-left:4px solid #2d6a4f;padding-left:0.6em;\">Key Features &amp; Benefits<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:1em;\">\n<div style=\"flex:1;min-width:220px;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #c3ddd4;border-top:4px solid #2d6a4f;border-radius:8px;padding:3%;\">\n<div style=\"font-size:2em;\">&#10052;<\/div>\n<h3 style=\"font-size:clamp(14px,1.5vw + 10px,17px);color:#1b4332;margin:0.3em 0 0.4em;\">Enhanced Thermal Management<\/h3>\n<p style=\"margin:0;font-size:clamp(13px,1.2vw + 9px,15px);color:#555;\">Cast-in cooling fins increase surface area by ~40% versus a flat housing. Safe for continuous duty up to 95 \u00b0C oil temperature without auxiliary cooling \u2014 the critical advantage for paper and textile 24\/7 lines.<\/p>\n<\/p><\/div>\n<div style=\"flex:1;min-width:220px;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #c3ddd4;border-top:4px solid #27ae60;border-radius:8px;padding:3%;\">\n<div style=\"font-size:2em;\">&#127982;<\/div>\n<h3 style=\"font-size:clamp(14px,1.5vw + 10px,17px);color:#1b4332;margin:0.3em 0 0.4em;\">Hollow Shaft Direct Fit<\/h3>\n<p style=\"margin:0;font-size:clamp(13px,1.2vw + 9px,15px);color:#555;\">Hollow output bores (16\u2013110 mm) slide onto the driven shaft without coupling sleeves. Reduces drivetrain length, eliminates coupling balancing issues, and simplifies swap-out on multi-station roll drives.<\/p>\n<\/p><\/div>\n<div style=\"flex:1;min-width:220px;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #c3ddd4;border-top:4px solid #f39c12;border-radius:8px;padding:3%;\">\n<div style=\"font-size:2em;\">&#128247;<\/div>\n<h3 style=\"font-size:clamp(14px,1.5vw + 10px,17px);color:#1b4332;margin:0.3em 0 0.4em;\">Precision Worm Gearing<\/h3>\n<p style=\"margin:0;font-size:clamp(13px,1.2vw + 9px,15px);color:#555;\">Ground worm profile achieves DIN Class 7 accuracy. Running noise typically below 72 dB(A) at full load \u2014 important for textile weave hall compliance and paper mill operator comfort.<\/p>\n<\/p><\/div>\n<div style=\"flex:1;min-width:220px;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #c3ddd4;border-top:4px solid #8e44ad;border-radius:8px;padding:3%;\">\n<div style=\"font-size:2em;\">&#128197;<\/div>\n<h3 style=\"font-size:clamp(14px,1.5vw + 10px,17px);color:#1b4332;margin:0.3em 0 0.4em;\">High-Frequency Start Capability<\/h3>\n<p style=\"margin:0;font-size:clamp(13px,1.2vw + 9px,15px);color:#555;\">Designed for \u226512 starts per hour. The corrected torque formula accounts for load variation coefficients (a\u2082) up to 1.75 for heavy impact loads, giving engineers confidence in ratio and size selection.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p><!-- APPLICATIONS --><\/p>\n<section style=\"margin-bottom:2.5em;background:#f0f7f4;border-radius:10px;padding:3%;\">\n<h2 style=\"font-size:clamp(16px,2vw + 10px,22px);color:#1b4332;border-left:4px solid #2d6a4f;padding-left:0.6em;\">Industry Applications<\/h2>\n<p style=\"color:#555;\">The WPDKS is the go-to <em>flange worm reducer for high-frequency industrial processes<\/em> where thermal overload is a constant risk.<\/p>\n<div style=\"display:flex;flex-wrap:wrap;gap:0.8em;margin-top:1em;\">\n<div style=\"flex:1;min-width:180px;max-width:360px;box-sizing:border-box;background:#fff;border-radius:8px;padding:2.5%;border-left:4px solid #2d6a4f;\">\n      <span style=\"font-size:1.5em;\">&#128220;<\/span><\/p>\n<h4 style=\"margin:0.3em 0 0.2em;color:#1b4332;font-size:clamp(13px,1.3vw + 9px,16px);\">Paper &amp; Roll Drive Systems<\/h4>\n<p style=\"margin:0;font-size:clamp(12px,1.1vw + 9px,14px);color:#666;\">Paper winding and unwinding stations generate sustained heat loads. WPDKS cooling fins prevent thermal runaway on multi-roll drive trains operating at continuous rated torque.<\/p>\n<\/p><\/div>\n<div style=\"flex:1;min-width:180px;max-width:360px;box-sizing:border-box;background:#fff;border-radius:8px;padding:2.5%;border-left:4px solid #27ae60;\">\n      <span style=\"font-size:1.5em;\">&#129525;<\/span><\/p>\n<h4 style=\"margin:0.3em 0 0.2em;color:#1b4332;font-size:clamp(13px,1.3vw + 9px,16px);\">Textile &amp; Dyeing Machines<\/h4>\n<p style=\"margin:0;font-size:clamp(12px,1.1vw + 9px,14px);color:#666;\">Fabric dyeing jigs, tenter frames, and warp beam drives in humid environments. Fins shed moisture condensation; sealed hollow shaft resists lint ingress.<\/p>\n<\/p><\/div>\n<div style=\"flex:1;min-width:180px;max-width:360px;box-sizing:border-box;background:#fff;border-radius:8px;padding:2.5%;border-left:4px solid #f39c12;\">\n      <span style=\"font-size:1.5em;\">&#128756;<\/span><\/p>\n<h4 style=\"margin:0.3em 0 0.2em;color:#1b4332;font-size:clamp(13px,1.3vw + 9px,16px);\">Food &amp; Beverage Washing Lines<\/h4>\n<p style=\"margin:0;font-size:clamp(12px,1.1vw + 9px,14px);color:#666;\">Bottle washing, crate cleaning, and produce conveying involve water spray and steam. The fin housing air-cools the gear oil while the double-lip seals keep water out.<\/p>\n<\/p><\/div>\n<div style=\"flex:1;min-width:180px;max-width:360px;box-sizing:border-box;background:#fff;border-radius:8px;padding:2.5%;border-left:4px solid #e74c3c;\">\n      <span style=\"font-size:1.5em;\">&#9881;<\/span><\/p>\n<h4 style=\"margin:0.3em 0 0.2em;color:#1b4332;font-size:clamp(13px,1.3vw + 9px,16px);\">Continuous Mixing Equipment<\/h4>\n<p style=\"margin:0;font-size:clamp(12px,1.1vw + 9px,14px);color:#666;\">Chemical and pharmaceutical mixers running 24 hours demand sustained thermal stability. WPDKS maintains oil viscosity in the safe operating range without external coolers.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<div style=\"text-align:center;margin:1.5em 0;\">\n  <img decoding=\"async\" src=\"https:\/\/chinawormgearbox.xyz\/wp-content\/uploads\/2026\/05\/single-speed-worm-gearbox-equipment-2.webp\" alt=\"Ever-power worm reducer production line\" style=\"max-width:100%;height:auto;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,0.1);\" loading=\"lazy\"\/>\n<\/div>\n<p><!-- QUALITY --><\/p>\n<section style=\"margin-bottom:2.5em;\">\n<h2 style=\"font-size:clamp(16px,2vw + 10px,22px);color:#1b4332;border-left:4px solid #2d6a4f;padding-left:0.6em;\">Quality &amp; Certifications<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:1em;\">\n<div style=\"flex:1;min-width:220px;max-width:380px;box-sizing:border-box;background:#e8f5e9;border-radius:8px;padding:2.5%;\">\n<p style=\"margin:0;\"><strong>&#10003; ISO 9001:2015<\/strong> \u2014 Full QMS from raw castings to final test.<\/p>\n<\/p><\/div>\n<div style=\"flex:1;min-width:220px;max-width:380px;box-sizing:border-box;background:#e8f5e9;border-radius:8px;padding:2.5%;\">\n<p style=\"margin:0;\"><strong>&#10003; CE Certified<\/strong> \u2014 Meets EU Machinery Directive; export documentation included.<\/p>\n<\/p><\/div>\n<div style=\"flex:1;min-width:220px;max-width:380px;box-sizing:border-box;background:#e8f5e9;border-radius:8px;padding:2.5%;\">\n<p style=\"margin:0;\"><strong>&#10003; 100% Thermal &amp; Leak Test<\/strong> \u2014 Each unit operated at rated load; housing temperature measured; zero-leak verified.<\/p>\n<\/p><\/div>\n<div style=\"flex:1;min-width:220px;max-width:380px;box-sizing:border-box;background:#e8f5e9;border-radius:8px;padding:2.5%;\">\n<p style=\"margin:0;\"><strong>&#10003; FC25+ Cast Iron<\/strong> \u2014 Housing grade verified by mill certificate; Brinell hardness HB170\u2013240 measured on each batch.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p><!-- WHY US --><\/p>\n<section style=\"margin-bottom:2.5em;background:linear-gradient(135deg,#1b4332,#2d6a4f);color:#fff;border-radius:10px;padding:3%;\">\n<h2 style=\"font-size:clamp(16px,2vw + 10px,22px);margin-top:0;border-left:4px solid #f39c12;padding-left:0.6em;\">Why Choose Ever-power for WPDKS Reducers?<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:1.2em;\">\n<div style=\"flex:1;min-width:200px;max-width:380px;box-sizing:border-box;\">\n<p><span style=\"font-size:1.3em;\">&#127981;<\/span> <strong>Dedicated Cooling-Fin Tooling<\/strong><br \/>We maintain dedicated casting tooling for the WPDKS fin housing profile, ensuring dimensional consistency across production batches \u2014 critical for multi-unit OEM projects.<\/p>\n<\/p><\/div>\n<div style=\"flex:1;min-width:200px;max-width:380px;box-sizing:border-box;\">\n<p><span style=\"font-size:1.3em;\">&#128188;<\/span> <strong>Paper &amp; Textile Industry References<\/strong><br \/>We have supplied WPDKS units to major paper mills and textile manufacturers across Southeast Asia, Europe, and the Middle East. Engineering datasheets available on request.<\/p>\n<\/p><\/div>\n<div style=\"flex:1;min-width:200px;max-width:380px;box-sizing:border-box;\">\n<p><span style=\"font-size:1.3em;\">&#128295;<\/span> <strong>Custom OEM Motor Flanges<\/strong><br \/>We accommodate non-standard motor frame patterns. Simply provide your motor&#8217;s flange drawing and we will confirm compatibility or machine a custom adapter plate.<\/p>\n<\/p><\/div>\n<div style=\"flex:1;min-width:200px;max-width:380px;box-sizing:border-box;\">\n<p><span style=\"font-size:1.3em;\">&#128666;<\/span> <strong>Bulk Stock &amp; Fast Shipping<\/strong><br \/>Sizes 40\u2013175 are held in finished stock. Orders &gt;20 units dispatched within 5 working days. Sea freight, air freight, and express courier options available.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p><!-- REVIEWS --><\/p>\n<section style=\"margin-bottom:2.5em;\">\n<h2 style=\"font-size:clamp(16px,2vw + 10px,22px);color:#1b4332;border-left:4px solid #2d6a4f;padding-left:0.6em;\">What Our Customers Say<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:1em;\">\n<div style=\"flex:1;min-width:220px;max-width:400px;box-sizing:border-box;background:#fffff5;border:1px solid #c3ddd4;border-radius:8px;padding:2.5%;\">\n<div style=\"color:#27ae60;font-size:1.1em;\">&#9733;&#9733;&#9733;&#9733;&#9733;<\/div>\n<p style=\"margin:0.5em 0;font-size:clamp(13px,1.2vw + 9px,15px);font-style:italic;color:#444;\">&#8220;We run our paper winding lines 24\/7 at 120 \u00b0C ambient near the dryer section. The WPDKS is the first hollow-shaft reducer that hasn&#8217;t needed an emergency replacement in three years of service.&#8221;<\/p>\n<p>      <strong style=\"font-size:clamp(12px,1.1vw + 9px,14px);color:#1b4332;\">&#127467;&#127470; Marco B. \u2014 Maintenance Director, Turin, Italy<\/strong>\n    <\/div>\n<div style=\"flex:1;min-width:220px;max-width:400px;box-sizing:border-box;background:#fffff5;border:1px solid #c3ddd4;border-radius:8px;padding:2.5%;\">\n<div style=\"color:#27ae60;font-size:1.1em;\">&#9733;&#9733;&#9733;&#9733;&#9733;<\/div>\n<p style=\"margin:0.5em 0;font-size:clamp(13px,1.2vw + 9px,15px);font-style:italic;color:#444;\">&#8220;The cooling fins were the deciding factor for our dyeing line upgrade. Previous reducers needed external fan kits. WPDKS runs cool with zero extras. Real cost savings over the project lifecycle.&#8221;<\/p>\n<p>      <strong style=\"font-size:clamp(12px,1.1vw + 9px,14px);color:#1b4332;\">&#127470;&#127465; Priya S. \u2014 Project Engineer, Tirupur, India<\/strong>\n    <\/div>\n<div style=\"flex:1;min-width:220px;max-width:400px;box-sizing:border-box;background:#fffff5;border:1px solid #c3ddd4;border-radius:8px;padding:2.5%;\">\n<div style=\"color:#27ae60;font-size:1.1em;\">&#9733;&#9733;&#9733;&#9733;&#9734;<\/div>\n<p style=\"margin:0.5em 0;font-size:clamp(13px,1.2vw + 9px,15px);font-style:italic;color:#444;\">&#8220;Ordered 30 units for our bottle washing stations. The hollow bore fit our roller shafts perfectly and the noise level is noticeably lower than our old units. Would order again.&#8221;<\/p>\n<p>      <strong style=\"font-size:clamp(12px,1.1vw + 9px,14px);color:#1b4332;\">&#127462;&#127482; James W. \u2014 Engineering Manager, Sydney, Australia<\/strong>\n    <\/div>\n<div style=\"flex:1;min-width:220px;max-width:400px;box-sizing:border-box;background:#fffff5;border:1px solid #c3ddd4;border-radius:8px;padding:2.5%;\">\n<div style=\"color:#27ae60;font-size:1.1em;\">&#9733;&#9733;&#9733;&#9733;&#9733;<\/div>\n<p style=\"margin:0.5em 0;font-size:clamp(13px,1.2vw + 9px,15px);font-style:italic;color:#444;\">&#8220;We specifically needed a gearbox rated for \u226512 starts per hour on our continuous mixing process. Ever-power&#8217;s selection guide and the WPDKS 120 ticked every box. Commissioning went perfectly.&#8221;<\/p>\n<p>      <strong style=\"font-size:clamp(12px,1.1vw + 9px,14px);color:#1b4332;\">&#127475;&#127473; Omar K. \u2014 Process Engineer, Rotterdam, Netherlands<\/strong>\n    <\/div>\n<\/p><\/div>\n<\/section>\n<p><!-- FAQ --><\/p>\n<section style=\"margin-bottom:2.5em;\">\n<h2 style=\"font-size:clamp(16px,2vw + 10px,22px);color:#1b4332;border-left:4px solid #2d6a4f;padding-left:0.6em;\">Frequently Asked Questions<\/h2>\n<details style=\"border:1px solid #c3ddd4;border-radius:6px;padding:2.5%;margin-bottom:0.7em;\">\n<summary style=\"cursor:pointer;font-weight:bold;color:#1b4332;font-size:clamp(13px,1.3vw + 9px,16px);\">How do the cooling fins help in paper mill environments?<\/summary>\n<p style=\"margin:0.6em 0 0;color:#555;font-size:clamp(13px,1.2vw + 9px,15px);\">The longitudinal fins increase radiant and convective surface area by ~40% over a flat housing. In continuous-duty applications at elevated ambient temperatures, this keeps gear oil below 95 \u00b0C \u2014 the critical threshold for oil viscosity and seal integrity \u2014 without requiring external cooling fans or water jackets.<\/p>\n<\/details>\n<details style=\"border:1px solid #c3ddd4;border-radius:6px;padding:2.5%;margin-bottom:0.7em;\">\n<summary style=\"cursor:pointer;font-weight:bold;color:#1b4332;font-size:clamp(13px,1.3vw + 9px,16px);\">Is the WPDKS interchangeable with the WPDKA?<\/summary>\n<p style=\"margin:0.6em 0 0;color:#555;font-size:clamp(13px,1.2vw + 9px,15px);\">The mounting footprint, flange pattern, and hollow bore diameter are identical between WPDKA and WPDKS for each size. The external envelope of the WPDKS is slightly larger due to the fins, so verify clearance before swapping. Torque and ratio data are identical.<\/p>\n<\/details>\n<details style=\"border:1px solid #c3ddd4;border-radius:6px;padding:2.5%;margin-bottom:0.7em;\">\n<summary style=\"cursor:pointer;font-weight:bold;color:#1b4332;font-size:clamp(13px,1.3vw + 9px,16px);\">What oil do you recommend for wet or humid environments?<\/summary>\n<p style=\"margin:0.6em 0 0;color:#555;font-size:clamp(13px,1.2vw + 9px,15px);\">We recommend fully synthetic ISO VG 220 or 320 gear oil with anti-rust and anti-corrosion additives. Synthetic oils also improve seal compatibility and extend change intervals to up to 5000 hours in continuous duty.<\/p>\n<\/details>\n<details style=\"border:1px solid #c3ddd4;border-radius:6px;padding:2.5%;margin-bottom:0.7em;\">\n<summary style=\"cursor:pointer;font-weight:bold;color:#1b4332;font-size:clamp(13px,1.3vw + 9px,16px);\">Can the WPDKS be mounted vertically (motor above)?<\/summary>\n<p style=\"margin:0.6em 0 0;color:#555;font-size:clamp(13px,1.2vw + 9px,15px);\">Yes. Multiple shaft-direction configurations (A through F) are available, including vertical motor-up and motor-down orientations. Ensure the oil fill level is adjusted per the shaft-direction table in the installation manual when mounting non-horizontally.<\/p>\n<\/details>\n<details style=\"border:1px solid #c3ddd4;border-radius:6px;padding:2.5%;margin-bottom:0.7em;\">\n<summary style=\"cursor:pointer;font-weight:bold;color:#1b4332;font-size:clamp(13px,1.3vw + 9px,16px);\">What is the minimum order quantity?<\/summary>\n<p style=\"margin:0.6em 0 0;color:#555;font-size:clamp(13px,1.2vw + 9px,15px);\">There is no minimum order quantity for standard sizes. Single units are welcome for trials or spare parts. OEM bulk pricing is available from 10 units; volume discounts increase at 50, 100, and 500+ units.<\/p>\n<\/details>\n<\/section>\n<p><!-- CTA --><\/p>\n<section style=\"background:linear-gradient(135deg,#1b4332,#52b788);border-radius:10px;padding:3%;text-align:center;margin-bottom:2em;\">\n<h2 style=\"color:#fff;margin:0 0 0.5em;font-size:clamp(16px,2vw + 10px,22px);\">Upgrade Your Continuous-Duty Drives with WPDKS<\/h2>\n<p style=\"color:#fff;margin:0 0 1em;font-size:clamp(13px,1.3vw + 9px,16px);\">Our engineering team will help you select the correct size and ratio for your application. Visit our <a href=\"\/ar\/about-us\/\" style=\"color:#ffd166;text-decoration:underline;\">factory overview<\/a> or <a href=\"\/ar\/contact-us\/\" style=\"color:#ffd166;text-decoration:underline;\">contact us<\/a> for technical consultation, pricing, and delivery terms. Email: <a href=\"mailto:sales@chinawormgearbox.xyz\" style=\"color:#ffd166;\">sales@chinawormgearbox.xyz<\/a><\/p>\n<p>  <a href=\"\/ar\/contact-us\/\" style=\"display:inline-block;background:#fff;color:#1b4332;font-weight:bold;padding:0.7em 2em;border-radius:25px;text-decoration:none;font-size:clamp(13px,1.3vw + 9px,16px);\">&#128231; Request a Quote<\/a><br \/>\n<\/section>\n<\/article>","protected":false},"excerpt":{"rendered":"<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.7;color:#444;word-break:break-word;overflow-wrap:break-word;\">The <strong>WPDKS Flange-Mounted Hollow Shaft Worm Reducer with Cooling Fins<\/strong> is engineered for continuous high-frequency operation in paper, textile, and wash-down environments. Its cast-iron cooling-fin housing dissipates heat up to 30% faster than standard units. Available in sizes 40\u2013250 with ratios 1\/5\u20131\/60 and output torque to 3025 N\u00b7m \u2014 the benchmark heavy-duty hollow-shaft worm drive for demanding industrial processes.<\/p>","protected":false},"featured_media":1806,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[1592],"product_tag":[1601,1600,1598,1599,1602],"class_list":{"0":"post-1838","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-wp-series-worm-reducer","7":"product_tag-cast-iron-worm-gearbox","8":"product_tag-continuous-duty-worm-drive","9":"product_tag-cooling-fin-worm-reducer","10":"product_tag-hollow-shaft-flange-gearbox","11":"product_tag-industrial-speed-reducer","13":"first","14":"instock","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/chinawormgearbox.xyz\/ar\/wp-json\/wp\/v2\/product\/1838","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chinawormgearbox.xyz\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/chinawormgearbox.xyz\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/chinawormgearbox.xyz\/ar\/wp-json\/wp\/v2\/comments?post=1838"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chinawormgearbox.xyz\/ar\/wp-json\/wp\/v2\/media\/1806"}],"wp:attachment":[{"href":"https:\/\/chinawormgearbox.xyz\/ar\/wp-json\/wp\/v2\/media?parent=1838"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/chinawormgearbox.xyz\/ar\/wp-json\/wp\/v2\/product_brand?post=1838"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/chinawormgearbox.xyz\/ar\/wp-json\/wp\/v2\/product_cat?post=1838"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/chinawormgearbox.xyz\/ar\/wp-json\/wp\/v2\/product_tag?post=1838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}