{"id":1908,"date":"2026-04-17T03:06:26","date_gmt":"2026-04-17T03:06:26","guid":{"rendered":"https:\/\/worm-reducers.xyz\/?post_type=product&p=1908"},"modified":"2026-04-17T03:06:26","modified_gmt":"2026-04-17T03:06:26","slug":"wpwkt-worm-gear-reducer-with-torque-arm-shaft-mounted-drive","status":"publish","type":"product","link":"https:\/\/worm-reducers.xyz\/nl\/product\/wpwkt-worm-gear-reducer-with-torque-arm-shaft-mounted-drive\/","title":{"rendered":"WPWKT wormwielreductor met koppelarm | Aandrijving op as"},"content":{"rendered":"
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WPWKT \u2014 Torque Arm Shaft-Mounted Worm Gear Reducer<\/div>\n

WPWKT: Shaft-Mounted Wormwielreductor<\/span> with Integrated Torque Arm<\/h2>\n

The WPWKT is a WP-series cast iron wormwielreductor<\/strong> with an integrated torque arm reaction support. The hollow bore output shaft slides directly onto the driven shaft of the conveyor, mixer, or machine \u2014 and the torque arm anchors the gearbox housing against rotation. This eliminates both the separate reducer-mounting baseplate and the shaft coupling between reducer and machine. Frame sizes WPWKT40\u2013250, output torque 17\u20133,000 N\u00b7m, input power 0.12\u201315 kW, output speed 25\u2013300 rpm.<\/p>\n

Browse Worm Gear Reducers \u203a<\/a>
\nRequest Quote<\/a><\/div>\n<\/div>\n

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KT<\/strong>
\nTorque Arm Config<\/span><\/div>\n
17\u20133,000 N\u00b7m<\/strong>
\nUitgangskoppel<\/span><\/div>\n
40\u2013250<\/strong>
\nFramematen<\/span><\/div>\n
0.12\u201315 kW<\/strong>
\nIngangsvermogen<\/span><\/div>\n<\/div>\n

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What the WPWKT Torque Arm Configuration Means<\/h2>\n

In a conventional WP-series wormwielreductor<\/strong> installation, the gearbox housing is bolted to a separate baseplate, and a shaft coupling connects the gearbox output shaft to the driven machine shaft. The WPWKT eliminates both elements through shaft-mounted installation:<\/p>\n

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\ud83d\udd73 Hollow Bore Shaft Mount<\/strong><\/p>\n

De wormwielreductor<\/strong> hollow bore output shaft slides directly over the driven machine shaft \u2014 like a conveyor drive shaft or mixer shaft. A keyway transmits torque. No separate coupling, no coupling alignment, no coupling maintenance.<\/p>\n<\/div>\n

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\ud83e\uddbe Torque Arm Housing Restraint<\/strong><\/p>\n

When the hollow bore is on the machine shaft, the gearbox housing would rotate freely if not restrained. The KT torque arm is a rigid link between the gearbox housing and a fixed structure (machine frame or wall) \u2014 it absorbs the reaction torque and holds the housing stationary.<\/p>\n<\/div>\n

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\ud83d\udcc9 What Is Eliminated<\/strong><\/p>\n

Compared to a conventional foot-mounted wormwielreductor<\/strong>: no separate reducer baseplate, no shaft coupling between reducer and machine, no coupling alignment procedure. The drive train from motor to driven shaft becomes shorter and stiffer.<\/p>\n<\/div>\n<\/div>\n

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WPWKT in the WP Worm Gear Reducer Family<\/h2>\n
\n\n\n\n\n\n\n\n\n\n
Code<\/th>\nConfiguratie<\/th>\nKey Feature<\/th>\nHet beste voor<\/th>\n<\/tr>\n<\/thead>\n
WPWO<\/td>\nFoot mounted, standard<\/td>\nHorizontal shaft, baseplate mount<\/td>\nGeneral industrial drives<\/td>\n<\/tr>\n
WPWDK<\/td>\nDouble keyed shaft<\/td>\nKeyed both input and output ends<\/td>\nChain\/sprocket, belt\/pulley drives<\/td>\n<\/tr>\n
WPWKO<\/td>\nVertical output shaft<\/td>\nOptimised for vertical shaft-down<\/td>\nLifts, vertical agitators<\/td>\n<\/tr>\n
WPWKT<\/strong><\/td>\nHollow bore + torque arm<\/strong><\/td>\nShaft-mounted, no coupling or baseplate<\/strong><\/td>\nConveyor head drives, shaft-mounted<\/strong><\/td>\n<\/tr>\n
WPWDKO<\/td>\nDouble keyed + vertical output<\/td>\nKeyed both ends, shaft-down<\/td>\nVertical keyed shaft drives<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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WPWKT Worm Gear Reducer \u2014 Technical Specifications<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpecificatie<\/th>\n<\/tr>\n<\/thead>\n
Series \/ Model<\/td>\nWPWKT \u2014 WP series worm gear reducer with torque arm<\/td>\n<\/tr>\n
Frame Size Range<\/td>\nWPWKT40 \u00b7 50 \u00b7 60 \u00b7 70 \u00b7 80 \u00b7 100 \u00b7 120 \u00b7 135 \u00b7 155 \u00b7 175 \u00b7 200 \u00b7 250<\/td>\n<\/tr>\n
Ingangsvermogen<\/td>\n0.12\u201315 kW at 1,500 rpm standard input<\/td>\n<\/tr>\n
Uitgangssnelheid<\/td>\n25\u2013300 rpm<\/td>\n<\/tr>\n
Uitgangskoppel<\/strong><\/td>\n17\u20133,000 N\u00b7m<\/strong><\/td>\n<\/tr>\n
Uitgaande as<\/strong><\/td>\nHollow bore \u2014 slides directly onto driven machine shaft<\/strong><\/td>\n<\/tr>\n
Housing Restraint<\/strong><\/td>\nIntegrated torque arm \u2014 bolts to fixed machine frame<\/strong><\/td>\n<\/tr>\n
Behuizingsmateriaal<\/td>\nCast iron HT200 \u2014 rigid, vibration damping<\/td>\n<\/tr>\n
Standaardverhoudingen<\/td>\n10 \u00b7 15 \u00b7 20 \u00b7 25 \u00b7 30 \u00b7 40 \u00b7 50 \u00b7 60 :1<\/td>\n<\/tr>\n
Zelfvergrendelend<\/td>\nYes \u2014 at ratios \u2265 20:1 (output shaft holds when motor off)<\/td>\n<\/tr>\n
Kleur<\/td>\nGreen \/ Grey \/ Blue or on customer request<\/td>\n<\/tr>\n
Quality \/ Warranty<\/td>\nISO 9001 \u00b7 18 months from shipment<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Dimensie<\/p>\n

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\"WPWKT<\/p>\n

WPWKT worm gear reducer parameter table \u2014 torque, speed, power by frame size<\/p>\n

Key Design Advantages of the WPWKT Worm Gear Reducer<\/h2>\n

\"WPWKT<\/p>\n

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\ud83d\udd17<\/div>\n

No Shaft Coupling \u2014 No Alignment<\/h3>\n

The hollow bore of this wormwielreductor<\/strong> slides directly onto the driven shaft \u2014 eliminating the shaft coupling between reducer and machine. No coupling to align, no coupling to replace, no coupling angular error contributing to shaft vibration.<\/p>\n<\/div>\n

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\ud83d\udd29<\/div>\n

No Separate Baseplate<\/h3>\n

A foot-mounted wormwielreductor<\/strong> requires a fabricated baseplate, positioning, and alignment to the driven machine. The WPWKT replaces the baseplate with a simple torque arm attached to the nearest fixed structure \u2014 significantly reducing fabrication and installation time.<\/p>\n<\/div>\n

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\ud83d\udd12<\/div>\n

Self-Locking Load Hold at \u2265 20:1<\/h3>\n

The worm gear design of this wormwielreductor<\/strong> is inherently self-locking at ratios from 20:1 upward \u2014 the driven shaft holds position when the motor stops. Useful for hoist, conveyor, and elevator applications where the load must stay put between operational cycles.<\/p>\n<\/div>\n

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\u2699<\/div>\n

Compact Drive Train Length<\/h3>\n

Shaft-mounted installation removes one coupling element from the motor-to-machine drive train \u2014 the total length from motor shaft to driven shaft is shorter than a conventional foot-mounted arrangement using the same wormwielreductor<\/strong>. Valuable in confined machine layouts.<\/p>\n<\/div>\n

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\ud83c\udfed<\/div>\n

Cast Iron \u2014 Wide Torque Range<\/h3>\n

HT200 cast iron housing across all 12 WPWKT frame sizes. The 17\u20133,000 N\u00b7m torque range covers light conveyor head drives (WPWKT40) through heavy bulk material handling drives (WPWKT250) in the same product family.<\/p>\n<\/div>\n

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\ud83d\udd07<\/div>\n

Low Noise \u2014 Below 50 dB(A)<\/h3>\n

Worm gear mesh produces lower noise than helical or spur stages at equivalent reduction ratios. The cast iron housing provides additional damping. WPWKT noise level below 50 dB(A) is consistent with indoor food processing and textile environments.<\/p>\n<\/div>\n<\/div>\n

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\"WPWKT<\/p>\n

Applications of the WPWKT Shaft-Mounted Worm Gear Reducer<\/h2>\n
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\"WPWKT<\/p>\n

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Conveyor Head Drives<\/h3>\n

The classic WPWKT application \u2014 hollow bore slides onto the conveyor head shaft, torque arm anchors to the frame. The wormwielreductor<\/strong> is part of the conveyor structure rather than a separately mounted component. Used in food, bulk material, packaging, and logistics conveyors across all standard frame sizes.<\/p>\n<\/div>\n<\/div>\n

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\"WPWKT<\/p>\n

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Agricultural & Feed Equipment<\/h3>\n

Auger conveyor drives, grain elevator head drives, and feed screw drives where the gearbox must mount directly on the rotating shaft without a separate framework. WPWKT self-locking at 20:1 holds the auger position between cycles without a brake.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Op elkaar afgestemde aandrijfcomponenten<\/h2>\n

For reliable long-term performance in shaft-mounted operation, the internal worm gear components of this wormwielreductor<\/strong> should be replaced with matched parts when worn. Korea Ever-Power supplies compatible wormwielen<\/a> that engage with the worm shaft inside the WPWKT housing, maintaining the original gear ratio accuracy and load capacity. Matched worm gears<\/a>\u00a0are available for all WPWKT frame sizes and standard ratios. For input-side shaft couplings between motor and WPWKT input shaft, and for hollow bore retaining hardware, contact Korea Ever-Power with your frame size and shaft dimensions for a confirmed recommendation.<\/p>\n

\"worm<\/p>\n<\/div>\n

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FAQ \u2014 WPWKT Torque Arm Worm Gear Reducer<\/h2>\n
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What material and length is the WPWKT torque arm?<\/h3>\n

The torque arm is a structural steel link \u2014 material and length vary by frame size. It is designed to sustain the full reaction torque of the wormwielreductor<\/strong> at rated load without deflection that would stress the gearbox housing. Bolt pattern at the fixed end matches standard structural steel bolt spacings. Dimensional drawings are available for all frame sizes on request \u2014 confirm the available attachment point distance on your machine frame when specifying WPWKT.<\/p>\n<\/div>\n

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How do I size the hollow bore diameter for my driven shaft?<\/h3>\n

The WPWKT hollow bore diameter is specified per frame size and corresponds to standard driven shaft diameters for that torque range. Provide your driven shaft diameter, keyway dimensions, and material when ordering. If your shaft diameter is non-standard, contact Korea Ever-Power \u2014 bore diameters can be matched to specific shaft sizes within the structural limits of each frame. Over-boring reduces the wall thickness of the hollow bore hub and is not permitted beyond the maximum bore listed for each frame.<\/p>\n<\/div>\n

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Can the WPWKT worm gear reducer be used with a standard IEC motor?<\/h3>\n

Yes. The WPWKT input shaft accepts a standard shaft coupling connecting to the motor output shaft, or an IEC flange adapter for direct motor flange mounting. The input shaft configuration (solid shaft keyed) is standard across all WPWKT frames. For coupling selection, provide motor shaft diameter, motor frame size, and transmitted torque when contacting Korea Ever-Power.<\/p>\n<\/div>\n

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What is the difference between WPWKT and WPWKO?<\/h3>\n

WPWKT = torque arm, shaft-mounted. The output is a hollow bore that mounts onto the driven shaft; the torque arm holds the housing. WPWKO = vertical output shaft. The output shaft is solid and points vertically down (or up); the housing is foot-mounted. Both are WP-series wormwielreductoren<\/strong> but for fundamentally different installation scenarios \u2014 WPWKT is for shaft-mounting onto the machine shaft; WPWKO is for where the driven shaft must run vertically.<\/p>\n<\/div>\n

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Is the self-locking of the WPWKT worm gear reducer reliable for hoist load-hold?<\/h3>\n

Self-locking at \u2265 20:1 is reliable for static load-hold at normal operating temperatures. For hoist applications with safety implications, regulatory standards in most jurisdictions require a separate certified mechanical brake regardless of gearbox self-locking characteristics. Use the self-locking of this wormwielreductor<\/strong> as an operational convenience (the load stays put when the motor stops between cycles) rather than as a primary safety device.<\/p>\n<\/div>\n

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Can the torque arm accommodate different attachment point distances?<\/h3>\n

The standard WPWKT torque arm is a fixed-length structural link. If the distance between the gearbox housing mount and the fixed attachment point on your machine frame is non-standard, a custom-length torque arm can be supplied. Contact Korea Ever-Power with the required attachment point distance (centre of gearbox housing to nearest fixed structure) and the rated torque for a confirmed specification.<\/p>\n<\/div>\n

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What is the recommended oil change interval for the WPWKT?<\/h3>\n

Change oil at 100 hours (first service \u2014 run-in flush). Then every 2,000\u20133,000 hours or 12 months in continuous industrial service. Fill grade: ISO VG 220 mineral gear oil for 0\u201340\u00b0C ambient; synthetic VG 220 or VG 320 for higher ambient temperatures. The warranty on this wormwielreductor<\/strong> is 18 months from shipment under normal operating conditions.<\/p>\n<\/div>\n<\/div>\n

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Customer Reviews \u2014 WPWKT Worm Gear Reducer<\/h2>\n
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\u2605\u2605\u2605\u2605\u2605<\/div>\n

“WPWKT100 at 30:1 for a bulk grain conveyor head drive. Hollow bore onto the 60 mm head shaft, torque arm to the conveyor frame. Eliminated a fabricated reducer support bracket and a shaft coupling. Installation time went from 4 hours to 90 minutes per conveyor head. The worm gear reducer self-locks between cycle starts \u2014 grain stays put without a brake.”<\/p>\n

Oh Seung-jun<\/strong>Installation Engineer, Gyeongnam Grain Handling Equipment Co.<\/span><\/p>\n<\/div>\n

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\u2605\u2605\u2605\u2605\u2605<\/div>\n

“Used WPWKT80 for a food processing belt conveyor head shaft. No baseplate \u2014 torque arm bolts to the existing machine frame. Clean installation, no alignment procedure needed. The worm gear reducer has been running two shifts in a 30\u00b0C food plant environment for 16 months with no oil leaks and no issues.”<\/p>\n

Kim Ji-yeon<\/strong>Production Engineer, Incheon Food Processing Equipment OEM<\/span><\/p>\n<\/div>\n

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\u2605\u2605\u2605\u2605\u2605<\/div>\n

“We switched from foot-mounted WPWO to WPWKT on a packaging line upgrade. The reduction in drive train length freed up 180 mm per head position \u2014 which let us add an additional packaging station within the original line length. The shaft-mounted worm gear reducer is now standard on all our new conveyor designs.”<\/p>\n

Park Hyun-tae<\/strong>Design Engineer, Busan Packaging Machinery Co.<\/span><\/p>\n<\/div>\n

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\u2605\u2605\u2605\u2605\u2605<\/div>\n

“WPWKT155 at 20:1 on a screw conveyor in a cement plant. Dusty environment, vibration from adjacent equipment. The cast iron housing is holding up well \u2014 no deflection issues with the torque arm after 13 months. This worm gear reducer configuration is far better than our previous foot-mounted arrangement which required quarterly re-alignment.”<\/p>\n

Yun Dae-ho<\/strong>Maintenance Manager, Gyeonggi-do Cement Plant<\/span><\/p>\n<\/div>\n

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\u2605\u2605\u2605\u2605\u2605<\/div>\n

“Feed screw drive in a poultry facility \u2014 WPWKT70 at 25:1. Shaft-mounted onto the screw shaft, torque arm to the hopper frame. Self-locking prevents screw drift when motor off between feed cycles. Easy to access for oil changes because the gearbox is directly on the shaft with nothing underneath it.”<\/p>\n

Jung Hyo-won<\/strong>Farm Equipment Engineer, Chungnam Agricultural Machinery Co.<\/span><\/p>\n<\/div>\n

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\u2605\u2605\u2605\u2605\u2605<\/div>\n

“Korea Ever-Power supplied dimensional drawings and confirmed the hollow bore size to suit our 65 mm conveyor head shaft within 24 hours of enquiry. The WPWKT worm gear reducer arrived correctly dimensioned and was installed in 2 hours. Pricing was 38% below the previous supplier for equivalent specification. Will be ordering again for our next line expansion.”<\/p>\n

Cho Sung-bin<\/strong>Procurement Manager, Seoul Logistics Equipment Manufacturer<\/span><\/p>\n<\/div>\n<\/div>\n

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Specify Your WPWKT Shaft-Mounted Worm Gear Reducer<\/h2>\n

Send your driven shaft diameter, required torque, input power, and ratio \u2014 Korea Ever-Power confirms frame size, hollow bore dimensions, and torque arm specification within 24 hours.<\/p>\n

All Worm Gear Reducers \u203a<\/a>
\nContact Korea Ever-Power<\/a><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

WPWKT series WP worm gear reducer with integrated torque arm reaction support \u2014 designed for shaft-mounted installation where the reducer mounts directly onto the driven shaft and the torque arm anchors the housing against rotation. Eliminates the separate motor-to-reducer shaft coupling and the reducer-to-machine mounting plate. Frame sizes WPWKT40\u2013250, output torque 17\u20133,000 N\u00b7m, input power 0.12\u201315 kW at 1,500 rpm input, output speed 25\u2013300 rpm. Self-locking at ratios \u2265 20:1.<\/p>","protected":false},"featured_media":1909,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[1515],"product_tag":[],"class_list":{"0":"post-1908","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-worm-gear-reducer","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/worm-reducers.xyz\/nl\/wp-json\/wp\/v2\/product\/1908","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/worm-reducers.xyz\/nl\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/worm-reducers.xyz\/nl\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/worm-reducers.xyz\/nl\/wp-json\/wp\/v2\/comments?post=1908"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/worm-reducers.xyz\/nl\/wp-json\/wp\/v2\/media\/1909"}],"wp:attachment":[{"href":"https:\/\/worm-reducers.xyz\/nl\/wp-json\/wp\/v2\/media?parent=1908"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/worm-reducers.xyz\/nl\/wp-json\/wp\/v2\/product_brand?post=1908"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/worm-reducers.xyz\/nl\/wp-json\/wp\/v2\/product_cat?post=1908"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/worm-reducers.xyz\/nl\/wp-json\/wp\/v2\/product_tag?post=1908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}