WP worm gear reducer(WPWDA,WPWDS,WPWDX,WPWDO,WPWDT,WPWDV)

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The WP Worm Gear Reducer series, comprising models WPWDA, WPWDS, WPWDX, WPWDO, WPWDT, and WPWDV, represents a high-performance range of mechanical speed reducers tailored for demanding industrial applications. These reducers utilize a worm-and-worm-wheel gearing system, offering smooth, quiet operation with substantial torque output and precise speed reduction capabilities. Engineered for durability, they feature robust construction and high-precision gears that can withstand heavy loads and harsh operating conditions. The series provides versatile mounting options and multiple output configurations, ensuring compatibility with various machinery setups. Additionally, their self-locking feature enhances operational safety by preventing reverse rotation, making them ideal for applications requiring precise positioning or load stability, such as conveyors, lifts, and processing equipment. With advanced manufacturing processes and rigorous quality assurance, the WP series guarantees reliable performance, minimal maintenance, and extended service life in diverse industrial environments.

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WP series

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WP Worm Gear Reducer (WPWDA/WPWDS/WPWDX/WPWDO/WPWDT/WPWDV): Servo-Specific Integrated Type & Full-Attitude Precision Adaptation, Leading Servo Transmission Applications

I. Product Overview: Servo-Integrated Configuration, Meeting High-Dynamic Transmission Needs

Weigao’s WP Series Worm Gear Reducers, covering core servo-specific integrated models WPWDA, WPWDS, WPWDX, WPWDO, WPWDT and WPWDV, are high-reliability power transmission devices specially developed for servo control scenarios requiring full-attitude installation, high dynamic response, precise torque output and integrated motor-flange connection. Targeting the pain points of traditional and precision universal worm gear reducers such as poor servo motor compatibility, limited installation attitudes, and insufficient dynamic response in servo transmission applications, this series integrates servo-specific full-attitude cabinet design, high-rigidity worm gear transmission technology, integrated motor flange connection and precision dynamic balance optimization. It realizes a perfect combination of full-attitude integrated installation, high-dynamic servo matching, precise torque transmission and stable operation, and can stably operate in complex working conditions involving high-frequency start-stop, precise position control, variable load operation and compact equipment layout. As a core transmission component for key servo-controlled equipment, this servo-specific integrated WP series is widely applied in servo automation production lines, precision CNC machine tools, heavy-duty servo manipulators, electronic component precision processing equipment and other industries, providing high-dynamic and reliable power support for global high-end servo industrial production projects. The product has passed international certifications such as ISO 9001 quality management system certification, CE certification and IP65 protection certification (customizable to IP67), and is trusted by more than 50 countries and regions for its excellent servo scenario adaptation performance.

II. Core Advantages: Five Servo Transmission Strengths, Defining Integrated Adaptation Standards

1. Servo-Specific Full-Attitude Cabinet, All-Orientation Integrated Installation

The series adopts a servo-specific full-attitude integrated cabinet structure optimized by bionic topology and finite element analysis, and the cabinet is made of high-strength cast iron (HT250) with thickened wall thickness and dense reinforcing rib distribution, ensuring ultra-high structural rigidity while realizing full-attitude integrated installation. The six core models cover all-dimensional input-output attitudes to meet extreme servo equipment layout needs: WPWDA (universal type with motor flange, input shaft downward), WPWDS (universal type with motor flange, input shaft upward), WPWDX (universal type with motor flange, output shaft downward), WPWDO (universal type with motor flange, output shaft upward), WPWDT (universal type with motor flange, input shaft upward), WPWDV (universal type with motor flange, input shaft downward). The cabinet is integrally cast with standard motor flanges, and multiple sides are equipped with precision positioning mounting holes, which can flexibly switch between horizontal, vertical, wall-mounted, ceiling-mounted and other installation modes without additional adapter components. The installation positioning accuracy error is ≤0.08mm, which effectively ensures the dynamic coaxiality of the servo transmission system and avoids precision loss caused by installation deviation.

2. High-Rigidity Servo Transmission, Excellent Dynamic Response

The series adopts high-rigidity servo-specific worm gear transmission pair design, the worm is made of 42CrMo high-strength alloy steel, processed by integral forging, quenching and tempering, and super-precision grinding, with surface hardness up to HRC 60-64 and tooth surface roughness ≤Ra 0.3μm. The worm gear is made of high-wear-resistant tin bronze (ZCuSn10Pb1) with precision tooth profile modification and honing, and the meshing contact area reaches more than 92%, realizing smooth and impact-free force transmission. The worm shaft adopts integral rigid design with enlarged diameter, and the bearing adopts high-precision angular contact ball bearings with double-sided sealing, which improves the shaft system rigidity by 50% compared with ordinary precision models. The transmission accuracy error is ≤0.15arcmin, the backhaul clearance is ≤3arcmin, and the dynamic response time is ≤0.02s, which can perfectly match the high-frequency dynamic adjustment needs of servo motors. The no-load operating noise is ≤53dB, and the load operating noise is ≤61dB (measured at 1m distance), ensuring quiet operation of the servo system.

3. Integrated Motor Flange, Seamless Servo Matching

All six core models of the series are equipped with integrated servo motor flanges, which adopt international standard flange sizes (fully compatible with IEC standards) and can be directly matched with 0.55-45kW standard servo motors, variable frequency servo motors and precision stepping motors. The flange and cabinet are integrally cast with coaxiality error ≤0.02mm, avoiding transmission precision loss caused by assembly errors between split flanges and cabinets. The flange is designed with precision positioning pins and high-torque connecting bolts, which can effectively bear the axial and radial forces generated during servo motor operation. For high-power servo matching scenarios, the series can be customized with reinforced flange structures and auxiliary support bearings to ensure the stability of the transmission system. This integrated matching design simplifies the assembly process of the servo system, shortens the debugging cycle by 40%, and improves the overall reliability of the servo transmission system.

4. Enhanced Sealing & Lubrication, Stable Long-Term Operation

The sealing system adopts enhanced triple protection design: outer layer labyrinth seal + middle layer high-temperature resistant double-lip oil seal + inner layer O-ring, with high-temperature resistant and oil-resistant sealant at the cabinet joint, achieving IP65 protection level and customizable IP67 protection level for special harsh environments. It can effectively prevent the intrusion of dust, water vapor, cutting fluid and other impurities in servo industrial environments, and avoid lubrication failure caused by oil leakage. The product adopts optimized forced circulation lubrication, and the built-in high-precision oil filter ensures the cleanliness of lubricating oil. The centralized oil filling port and transparent oil level observation window facilitate daily lubrication management. Using 220#/320# special long-acting synthetic worm gear oil with good anti-wear and anti-oxidation performance, the product can work normally in the operating temperature range of -20℃ to +120℃, and the rated service life reaches more than 15 years under normal maintenance conditions.

5. Compact Structure & Strong Load-Bearing, Space-Saving & Anti-Impact

The servo-specific full-attitude cabinet adopts compact structure design, which is 15% smaller in volume than the precision universal models with the same torque, and can be easily embedded into the internal layout of servo equipment, improving space utilization. The key stress parts of the cabinet are thickened and reinforced, with torsional rigidity ≥4200Nm/arcmin, which can effectively resist the impact load generated during high-frequency start-stop and emergency stop of servo equipment. The transmission system can bear 2.5 times the rated torque impact, and the transmission accuracy deviation is ≤0.2arcmin, ensuring stable operation of the servo system under extreme working conditions. The overall weight of the product is reduced by 12% compared with similar models, which is conducive to reducing the overall load of servo equipment such as manipulators.

III. Typical Application Fields: Focus on Servo Industry, Empowering High-Precision Production

With its exclusive servo-specific full-attitude installation, high-rigidity dynamic transmission, seamless servo matching and compact structure advantages, Weigao servo-specific integrated WP Series Worm Gear Reducers have become the core transmission choice for servo-controlled industrial equipment, and their typical application fields include:

Servo Automation Production Lines: Electronic component precision assembly line drives, battery cell sorting machine rotating mechanisms, adapting to high-frequency start-stop, precise position control and compact layout requirements;
Precision CNC Machine Tools: Small CNC milling machine feed drives, engraving machine Z-axis transmission systems, adapting to high-precision transmission, high dynamic response and stable operation requirements;
Heavy-Duty Servo Manipulators: Material handling robot joint drives, palletizing robot rotating mechanisms, adapting to heavy load bearing, precise torque output and multi-attitude installation requirements;
Electronic Component Precision Processing Equipment: Semiconductor chip packaging machine drives, PCB drilling machine transmission systems, adapting to ultra-precision transmission, low noise and clean environment requirements;
Intelligent Logistics Equipment: AGV robot driving systems, automated warehouse stacker crane transmission systems, adapting to compact structure, high reliability and multi-attitude layout requirements;

IV. Technical Parameters: Precise Matching, Meeting Diverse Needs

Item	Specification Range
Motor Power Adaptation	0.55kW - 45kW
Reduction Ratio	10 - 80 (Single-stage); 100 - 1200 (Customized Double-stage)
Rated Output Torque	400N·m - 7000N·m (Graded by Model)
Transmission Efficiency	86% - 94% (Depending on Model and Reduction Ratio)
Operating Noise	≤53dB - ≤61dB (Measured at 1m Distance)
Protection Level	IP65 (Customizable to IP67 for Special Environments)
Operating Temperature	-20℃ - +120℃
Installation Method	Horizontal-mounted, Vertical-mounted, Wall-mounted, Ceiling-mounted, WPWDA (Universal Type with Motor Flange, Input Shaft Downward), WPWDS (Universal Type with Motor Flange, Input Shaft Upward), WPWDX (Universal Type with Motor Flange, Output Shaft Downward), WPWDO (Universal Type with Motor Flange, Output Shaft Upward), WPWDT (Universal Type with Motor Flange, Input Shaft Upward), WPWDV (Universal Type with Motor Flange, Input Shaft Downward)
Output Shaft Type	Solid Shaft Output (Flat Key/Spline), Hollow Shaft Output (Locking Disk Connection), Precision Shaft Extension (For High-Power Servo Motor Matching)

V. Installation and Maintenance: Scientific Operation, Maximizing Performance

During installation, select the corresponding model according to the equipment layout (input/output shaft attitude) and servo motor matching requirements. Ensure that the coaxiality error between the reducer and the servo motor is ≤0.05mm to avoid affecting the dynamic response performance of the servo system. For all models with integrated motor flanges, use torque wrenches to fasten the connecting bolts evenly according to the specified torque to ensure tight fit between the motor and the flange without gaps. Select the appropriate lubricating oil according to the working conditions: use 220# special synthetic worm gear oil for normal temperature and general load, and 320# high-temperature resistant synthetic worm gear oil for high temperature and heavy load. Regularly check the oil level, oil quality and sealing performance; replace the lubricating oil after the first 2000 hours of operation, and perform comprehensive maintenance every 6000 hours thereafter, including checking worm gear meshing status, bearing temperature and fastener tightness. If abnormal phenomena such as excessive noise, vibration, oil leakage or overheating occur during operation, stop the machine immediately for inspection and troubleshooting.

VI. Conclusion: Servo Transmission Leader, Empowering High-Precision Production Upgrade

Adhering to the design philosophy of "Servo Integration, Full-Attitude Adaptation, High-Rigidity Transmission and Stable Reliability", Weigao servo-specific integrated WP Series Worm Gear Reducers (WPWDA/WPWDS/WPWDX/WPWDO/WPWDT/WPWDV) focus on the core transmission needs of servo-controlled industrial equipment, integrating multiple exclusive technologies such as servo-specific full-attitude cabinet design, high-rigidity worm gear transmission and integrated motor flange connection. It breaks through the performance limitations of traditional and precision universal worm gear reducers in servo industrial multi-scenario applications, providing high-dynamic, precise and reliable power transmission solutions for servo automation production lines, precision CNC machine tools, heavy-duty servo manipulators and other key industries. We will continue to rely on advanced servo transmission technology, deeply explore the personalized needs of different servo industrial scenarios, provide customized product solutions and global after-sales service support, and work with customers to promote the upgrade of servo industrial production technology. All models of this servo-specific integrated WP series have passed strict international certifications, fully complying with the technical standards and safety requirements of global servo industrial fields, and are committed to becoming a trusted partner in the global servo transmission field.

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