{"id":1938,"date":"2026-05-27T06:57:54","date_gmt":"2026-05-27T06:57:54","guid":{"rendered":"https:\/\/chinawormgearbox.xyz\/product\/wpwds-flange-mounted-universal-worm-gear-reducer-with-cooling-fins\/"},"modified":"2026-05-27T06:57:55","modified_gmt":"2026-05-27T06:57:55","slug":"wpwds-flange-mounted-universal-worm-gear-reducer-with-cooling-fins","status":"publish","type":"product","link":"https:\/\/chinawormgearbox.xyz\/fa\/product\/wpwds-flange-mounted-universal-worm-gear-reducer-with-cooling-fins\/","title":{"rendered":"WPWDS Flange-Mounted Universal Worm Gear Reducer with Cooling Fins"},"content":{"rendered":"
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WPWDS Flange-Mounted Universal Worm Gear Reducer with Cooling Fins \u2014 Thermally Stable Motor-Direct Universal Drive for Cement, Mining & Hot-Climate Industries<\/h1>\n

A motor-direct universal worm gearbox in a hot industrial environment faces a triple thermal challenge: motor heat, gear mesh heat, and high ambient temperature all acting simultaneously. Without thermal management, oil sump temperatures approach limits, lubricant degrades rapidly, and overtemperature trips halt production. The WPWDS flange-mounted universal worm gear reducer with cooling fins<\/strong> resolves all three by combining IEC motor direct input, WPW universal flanged-base multi-orientation mounting, and cast-integral cooling fins \u2014 maintaining oil sump temperature approximately 15\u00b0C lower<\/strong> than the smooth-body WPWD at equivalent load.<\/p>\n

This makes the WPWDS the definitive motor-direct universal drive for cement plant conveyors, mining equipment in hot climates, and outdoor industrial machinery<\/em> where motor-direct convenience AND thermal stability must be specified together. Available in 12 sizes<\/strong> (40\u2013250 mm), motors 0.12\u201315 kW, ratios 1\/5\u20131\/60. About Ever-power<\/a> | Request a Thermal Assessment<\/a><\/p>\n<\/section>\n

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Technical Specifications<\/h2>\n

WPWDS shares the specification drawing with WPWDA. HL = housing height including fins (greater than WPWD smooth-body). All flange and base dimensions identical to WPWD \u2014 direct thermal upgrade with HL clearance check. Reference speed 1500 r\/min<\/strong>. All dimensions in mm.<\/p>\n

\"WPWDS<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Size<\/th>\nPower(kW)<\/th>\nRatio<\/th>\nA<\/th>\nAB<\/th>\nBB<\/th>\nAC<\/th>\nBC<\/th>\nCC<\/th>\nHL<\/th>\nLL<\/th>\nH<\/th>\nM<\/th>\nN<\/th>\nE<\/th>\nF<\/th>\nG<\/th>\nZ<\/th>\nLA<\/th>\nLB<\/th>\nLC<\/th>\nLE<\/th>\nLZ<\/th>\nQ<\/th>\nU<\/th>\nT\u00d7V<\/th>\nLS<\/th>\nS<\/th>\nW\u00d7Y<\/th>\nWt(kg)<\/th>\n<\/tr>\n<\/thead>\n
40<\/td>\n0.12<\/td>\n1\/5\u20131\/60<\/td>\n135<\/td>\n75<\/td>\n74<\/td>\n95<\/td>\n61<\/td>\n40<\/td>\n45<\/td>\n60<\/td>\n135<\/td>\n100<\/td>\n130<\/td>\n80<\/td>\n110<\/td>\n10<\/td>\n10<\/td>\n115<\/td>\n95<\/td>\n140<\/td>\n4<\/td>\nM8<\/td>\n31<\/td>\n11<\/td>\n4\u00d712.8<\/td>\n28<\/td>\n14<\/td>\n5\u00d73<\/td>\n5<\/td>\n<\/tr>\n
50<\/td>\n0.18<\/td>\n<\/td>\n151<\/td>\n83<\/td>\n97<\/td>\n111<\/td>\n68<\/td>\n60<\/td>\n80<\/td>\n93<\/td>\n195<\/td>\n130<\/td>\n150<\/td>\n100<\/td>\n105<\/td>\n120<\/td>\n18<\/td>\n12<\/td>\n115<\/td>\n95<\/td>\n140<\/td>\n4<\/td>\nM8<\/td>\n31<\/td>\n11<\/td>\n4\u00d712.8<\/td>\n40<\/td>\n17<\/td>\n5\u00d73<\/td>\n8<\/td>\n<\/tr>\n
60<\/td>\n0.37<\/td>\n<\/td>\n157<\/td>\n91<\/td>\n112<\/td>\n127<\/td>\n76<\/td>\n60<\/td>\n80<\/td>\n93<\/td>\n195<\/td>\n130<\/td>\n150<\/td>\n100<\/td>\n105<\/td>\n120<\/td>\n18<\/td>\n12<\/td>\n130<\/td>\n110<\/td>\n160<\/td>\n4<\/td>\nM8<\/td>\n33<\/td>\n14<\/td>\n5\u00d716.3<\/td>\n50<\/td>\n22<\/td>\n7\u00d74<\/td>\n12.5<\/td>\n<\/tr>\n
70<\/td>\n0.37\/0.75<\/td>\n<\/td>\n200\/222<\/td>\n109\/111<\/td>\n131<\/td>\n152<\/td>\n86<\/td>\n70<\/td>\n73<\/td>\n108<\/td>\n233<\/td>\n150<\/td>\n190<\/td>\n115<\/td>\n150<\/td>\n18<\/td>\n15<\/td>\n130\/165<\/td>\n110\/130<\/td>\n160\/200<\/td>\n4<\/td>\nM8\/M10<\/td>\n40\/42<\/td>\n14\/19<\/td>\n5\u00d716.3\/6\u00d721.8<\/td>\n60<\/td>\n28<\/td>\n7\u00d74<\/td>\n17<\/td>\n<\/tr>\n
80<\/td>\n0.75\/1.5<\/td>\n<\/td>\n225<\/td>\n125<\/td>\n142<\/td>\n169<\/td>\n102<\/td>\n80<\/td>\n83<\/td>\n123<\/td>\n268<\/td>\n170<\/td>\n220<\/td>\n135<\/td>\n180<\/td>\n18<\/td>\n15<\/td>\n165<\/td>\n130<\/td>\n200<\/td>\n4.5<\/td>\nM10<\/td>\n48\/52<\/td>\n19\/24<\/td>\n6\u00d721.8\/8\u00d727.3<\/td>\n65<\/td>\n32<\/td>\n10\u00d74.5<\/td>\n26<\/td>\n<\/tr>\n
100<\/td>\n1.5<\/td>\n<\/td>\n280<\/td>\n148<\/td>\n169<\/td>\n216<\/td>\n117<\/td>\n100<\/td>\n100<\/td>\n150<\/td>\n330<\/td>\n190<\/td>\n270<\/td>\n155<\/td>\n220<\/td>\n20<\/td>\n15<\/td>\n165<\/td>\n130<\/td>\n200<\/td>\n4.5<\/td>\nM10<\/td>\n52<\/td>\n24<\/td>\n8\u00d727.3<\/td>\n75<\/td>\n38<\/td>\n10\u00d74.5<\/td>\n41.5<\/td>\n<\/tr>\n
120<\/td>\n2.2\/3.0<\/td>\n<\/td>\n333<\/td>\n181<\/td>\n190<\/td>\n256<\/td>\n124<\/td>\n120<\/td>\n120<\/td>\n180<\/td>\n395<\/td>\n230<\/td>\n320<\/td>\n180<\/td>\n260<\/td>\n25<\/td>\n18<\/td>\n215<\/td>\n180<\/td>\n250<\/td>\n5<\/td>\nM12<\/td>\n63<\/td>\n28<\/td>\n8\u00d731.3<\/td>\n85<\/td>\n45<\/td>\n12\u00d74.5<\/td>\n60<\/td>\n<\/tr>\n
135<\/td>\n3.0\/4.0<\/td>\n<\/td>\n375<\/td>\n202<\/td>\n210<\/td>\n296<\/td>\n147<\/td>\n135<\/td>\n135<\/td>\n215<\/td>\n450<\/td>\n250<\/td>\n350<\/td>\n200<\/td>\n290<\/td>\n30<\/td>\n18<\/td>\n215<\/td>\n180<\/td>\n250<\/td>\n5<\/td>\nM12<\/td>\n63<\/td>\n28<\/td>\n8\u00d731.3<\/td>\n95<\/td>\n55<\/td>\n16\u00d76<\/td>\n90<\/td>\n<\/tr>\n
155<\/td>\n5.5<\/td>\n<\/td>\n448<\/td>\n247<\/td>\n252<\/td>\n345<\/td>\n185<\/td>\n155<\/td>\n135<\/td>\n235<\/td>\n493<\/td>\n280<\/td>\n380<\/td>\n220<\/td>\n320<\/td>\n32<\/td>\n21<\/td>\n265<\/td>\n230<\/td>\n300<\/td>\n5<\/td>\nM12<\/td>\n83<\/td>\n38<\/td>\n10\u00d741.3<\/td>\n110<\/td>\n60<\/td>\n18\u00d77<\/td>\n118<\/td>\n<\/tr>\n
175<\/td>\n7.5<\/td>\n<\/td>\n481<\/td>\n262<\/td>\n255<\/td>\n374<\/td>\n192<\/td>\n175<\/td>\n160<\/td>\n260<\/td>\n558<\/td>\n310<\/td>\n410<\/td>\n250<\/td>\n350<\/td>\n37<\/td>\n21<\/td>\n265<\/td>\n230<\/td>\n300<\/td>\n5<\/td>\nM12<\/td>\n83<\/td>\n38<\/td>\n10\u00d741.3<\/td>\n110<\/td>\n65<\/td>\n18\u00d77<\/td>\n167<\/td>\n<\/tr>\n
200<\/td>\n11.0<\/td>\n<\/td>\n543<\/td>\n285<\/td>\n319<\/td>\n412<\/td>\n230<\/td>\n200<\/td>\n175<\/td>\n290<\/td>\n620<\/td>\n355<\/td>\n445<\/td>\n290<\/td>\n390<\/td>\n45<\/td>\n24<\/td>\n300<\/td>\n250<\/td>\n350<\/td>\n6<\/td>\nM16<\/td>\n114<\/td>\n42<\/td>\n12\u00d745.3<\/td>\n125<\/td>\n70<\/td>\n20\u00d77.5<\/td>\n237<\/td>\n<\/tr>\n
250<\/td>\n11.0\/15.0<\/td>\n<\/td>\n615<\/td>\n330<\/td>\n385<\/td>\n500<\/td>\n285<\/td>\n250<\/td>\n200<\/td>\n350<\/td>\n750<\/td>\n460<\/td>\n560<\/td>\n380<\/td>\n480<\/td>\n50<\/td>\n28<\/td>\n300<\/td>\n250<\/td>\n350<\/td>\n6<\/td>\nM16<\/td>\n114<\/td>\n42<\/td>\n12\u00d745.3<\/td>\n155<\/td>\n90<\/td>\n25\u00d79<\/td>\n395<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

* Shared specification drawing with WPWDA. HL = height including fin array \u2014 greater than WPWD equivalent. All other dimensions (A, AB, BB, AC, BC, flange LA\/LB\/LC, shaft LS\/S\/W\u00d7Y) identical to WPWD \u2014 direct thermal upgrade with HL height clearance verification.<\/p>\n<\/section>\n

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Product Structure \u2014 IEC Flange + Universal Base + Cast-Integral Fins<\/h2>\n
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\"WPWDS<\/div>\n
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The WPWDS integrates three features in one FC25 cast iron housing: the IEC motor flange at the input, the WPW universal flanged base at the mounting structure, and a cast-integral longitudinal fin array on the housing top and outer side faces. All three features are part of the same foundry casting \u2014 no bolt-on accessories, no vibration risk, permanent thermal performance throughout the service life.<\/p>\n\n\n\n\n\n\n\n
Motor Input<\/td>\nIEC 60034-7 flange + keyed bore \u2014 motor shaft direct, no coupling<\/td>\n<\/tr>\n
Cooling Fins<\/td>\nCast-integral longitudinal fins \u2014 ~15\u00b0C lower vs WPWD at rated load<\/td>\n<\/tr>\n
Base<\/td>\nUniversal flanged base (AC, BC) \u2014 multi-orientation mounting<\/td>\n<\/tr>\n
Motor Range<\/td>\n0.12 kW (size 40) to 15 kW (size 250)<\/td>\n<\/tr>\n
Upgrade Path<\/td>\nDirect thermal upgrade from WPWD \u2014 same dims, verify HL clearance<\/td>\n<\/tr>\n
Housing<\/td>\nFC25 cast iron; all three features integral \u2014 no bolt-on additions<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<\/section>\n
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\u2705 Key Features & Benefits<\/h2>\n
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\ufe0f<\/div>\n
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Three Thermal Sources \u2014 One Integrated Solution<\/h3>\n

A motor-direct drive in a hot environment generates heat from: (1) the motor winding, (2) the gear mesh. The WPWDS fin array manages both heat loads simultaneously, maintaining oil temperature \u226490\u00b0C even at 40\u201343\u00b0C ambient and rated load \u2014 the only motor-direct universal gearbox in the WPW series with this capability. Keywords: motor-direct cooling fins universal worm reducer, thermal IEC flange worm gearbox.<\/em><\/p>\n<\/div>\n<\/div>\n

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IEC Direct Motor Input + Fin Cooling \u2014 Both in One Unit<\/h3>\n

No other WPW series product combines IEC motor direct mounting AND integral cooling fins. WPWD has motor-direct but no fins; WPWS has fins but no motor-direct. The WPWDS delivers both, making it the only motor-direct universal drive suited to continuous heavy-duty service in hot industrial environments.<\/p>\n<\/div>\n<\/div>\n

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Universal Mounting in Hot Environments<\/h3>\n

The WPW universal flanged base allows the WPWDS to be installed at any supported orientation in cement plants, mining sites, and outdoor tropical equipment \u2014 with correct oil lubrication confirmed for each position. The fin cooling performance is verified across all rated mounting positions.<\/p>\n<\/div>\n<\/div>\n

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Extended Lubricant Life Under Motor + Gear Heat<\/h3>\n

Reducing oil sump temperature by 15\u00b0C approximately doubles lubricant oxidation life. In motor-direct applications (where motor heat adds to gear heat), the WPWDS’s thermal advantage is even more valuable than for a standard non-motor-direct drive. Oil drain intervals can typically be extended from 2,500 to 3,500+ hours in WPWDS continuous applications.<\/p>\n<\/div>\n<\/div>\n

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\ufe0f<\/div>\n
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Permanent Cast-Integral Fins for Industrial Durability<\/h3>\n

The fins are cast as part of the housing body \u2014 not a separate heat sink that can loosen under the vibration and thermal cycling of cement and mining environments. Permanent thermal performance throughout the WPWDS service life with no fin-related maintenance required.<\/p>\n<\/div>\n<\/div>\n

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\u2b06\ufe0f<\/div>\n
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Direct Thermal Upgrade from WPWD<\/h3>\n

WPWDS shares all dimensions (A, AB, flange LA\/LB\/LC, shaft LS\/S) with WPWD. For any WPWD installation experiencing overtemperature issues, WPWDS is the minimum-disruption upgrade \u2014 verify HL height clearance for the fin array and swap in place.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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Industry Applications<\/h2>\n

The WPWDS is specified wherever IEC motor-direct convenience AND thermal stability under continuous load in hot environments are both required:<\/p>\n

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Cement Plant Motor-Direct Drives<\/strong>IEC motor-direct conveyor drives in cement plants where ambient temperatures reach 45\u00b0C+ and continuous duty demands both the convenience of motor-direct mounting and the thermal stability of fin cooling.<\/span><\/div>\n

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\u26cf\ufe0f<\/div>\n

Mining Equipment in Hot Climates<\/strong>Motor-direct drives for mining conveyors and auxiliary equipment in hot climate open-cast and underground mines where the combination of motor heat and 40\u00b0C+ ambient temperature would push smooth-body WPWD units beyond their thermal limits.<\/span><\/div>\n

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\u2600\ufe0f<\/div>\n

Outdoor Tropical Industrial Drives<\/strong>Any outdoor motor-direct universal drive in Gulf region, South Asian, or tropical environments where WPWD thermal limits are approached during summer peak loads.<\/span><\/div>\n

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Chemical Plant Continuous Drives<\/strong>Motor-direct conveyor and auxiliary drives in continuous chemical process plants running 24\/7 in enclosed warm plant rooms where the WPWDS fin array manages the combined heat load of motor and gearbox.<\/span><\/div>\n

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Biomass & Energy Equipment<\/strong>Motor-direct conveyor drives for biomass handling, wood chip processing, and bioenergy plants in outdoor or warm enclosed environments where motor-direct convenience is required alongside thermal stability.<\/span><\/div>\n

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Glass & Ceramic Industry<\/strong>IEC motor-direct drives for glass batch conveyors, kiln car drives, and ceramic factory production line conveyors in hot plant rooms where standard motor-direct units lack the thermal headroom for continuous operation.<\/span><\/div>\n<\/div>\n<\/section>\n

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Quality Control & Certification<\/h2>\n
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ISO 9001:2015 & CE<\/h3>\n

Full ISO 9001:2015 QMS. CE Declaration of Conformity. Fin casting quality verified at foundry stage before machining. SGS\/BV inspection available for cement and mining sector procurement documentation.<\/p>\n<\/div>\n

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\ufe0f Thermal Run + IEC Flange Verification<\/h3>\n

Each WPWDS undergoes: (1) IEC flange CMM check (\u22640.05 mm TIR); (2) 60-min thermal stability run at 110% rated torque<\/strong> \u2014 temperature must stabilise \u226490\u00b0C, confirming the fin array manages the combined motor and gear heat load; (3) noise \u226472 dB(A) and seal integrity verification.<\/p>\n<\/div>\n

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Material & Fin Standards<\/h3>\n

Housing and fins: FC25 cast iron (\u2265250 MPa). Worm: 20CrMnTi (\u226558 HRC). Wheel: ZCuSn10Pb1 tin-bronze. Fin geometry verified at foundry stage. Third-party inspection for cement, mining, and glass sector quality audits on request.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Why Choose Ever-power for WPWDS Gearboxes<\/h2>\n
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\"Ever-power<\/div>\n
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We supply WPWDS thermally optimised motor-direct universal worm gearboxes to cement plant equipment builders, mining machinery OEMs, and outdoor industrial equipment manufacturers in Korea, India, the UK, Australia, and over 60 countries. Our 60-minute thermal stability test \u2014 with pass criterion set at \u226490\u00b0C (not just the 95\u00b0C maximum) \u2014 reflects our commitment to delivering units that perform reliably in the hottest real-world environments our customers face.<\/p>\n