WPW Worm Gear Reducers/Worm Gearbox

WPW worm gear reducers, also known as WPW worm gearboxes, are mechanical power transmission devices designed for efficient speed reduction and torque multiplication in compact spaces. They consist of a worm (a screw-like gear) and a worm wheel (a toothed gear), typically enclosed in a cast iron or aluminum housing. The WPW series, part of the broader WP series worm gear reducer, features a universal mounting design, allowing flexible installation in various orientations, such as horizontal or vertical shaft configurations.

WPW worm gear reducers, also known as WPW worm gearboxes, are mechanical power transmission devices designed for efficient speed reduction and torque multiplication in compact spaces. They consist of a worm (a screw-like gear) and a worm wheel (a toothed gear), typically enclosed in a cast iron or aluminum housing. The WPW series, part of the broader WP series worm gear reducer, features a universal mounting design, allowing flexible installation in various orientations, such as horizontal or vertical shaft configurations.

Key features include a high reduction ratio (up to 100:1 in single-stage, 10,000:1 in double-stage), self-locking capability under certain conditions, and low noise operation due to precision-machined components like hardened worm shafts and bronze worm wheels. These worm gear speed reducers are widely used in applications like conveyors, hoists, and agricultural machinery for their durability, compact structure, and ability to handle high-torque loads with minimal maintenance.

WPW Worm Gear Reducers

WPW Worm Gear Reducer Specifications

Type: WPW Worm Gearbox/ Worm Gear Speed Reducer
Model: 40,50,60,70,80,100,120,135,155,175,200,250
Ratio: 10,15,20,25,30,40,50,60
Color: Blue/Green/Black/Customized
Material: Housing: Die-Cast Iron cast
Worm Gear: Copper-9-4#
Worm: 20CrMn Ti with carburizing and quenching, surface hardness is 56-62HRC
Shaft: chromium steel-45#
Packing: Carton and Wooden Case
Bearing: C&U/SKF/HRB, or on customer request
Seal: NAK/SKF/KSK, or on customer request
Warranty: 12Months
Input Power: 0.12kw~15kw
Usages: Plastics, metallurgy, beverages, mining, lifting and transportation, chemical construction, and so on.
IEC Flange: B5
Lubricant: Synthetic & Mineral

WPW Worm Gearbox Dimensions

WPW Worm Gearbox Dimensions

Model Ratio A AB B BB AC BC AD BD CC HL H Z×L
40 1/5
1/10
1/20
1/25
1/30
1/40
1/50
1/60
143 87 114 74 95 61 78 42 40 35 125 M6×12
50 175 108 150 97 111 68 85 50 50 35 150 M6×18
60 198 120 168 112 127 76 105 55 60 42 177 M8×20
70 231 140 194 131 152 86 125 65 70 55 215 M10×25
80 261 160 214 142 169 102 140 70 80 65 250 M12×28
100 322 190 254 169 216 117 180 90 100 80 310 M12×30
120 371 219 282 190 256 124 220 100 120 95 370 M14×32
135 422 249 317 210 296 147 260 110 135 105 425 M16×35
155 497 295 382 252 345 185 280 120 155 103 481 M16×35
175 534 314 372 255 374 192 320 140 175 123 521 M16×35
200 580 342 456 319 412 230 360 150 200 130 575 M20×36
250 705 420 552 385 500 285 420 190 250 150 700 M24×42
Input shaft Output shaft Weight
HS U T×V LS S W×Y (kg)
25 12 4×2.5 28 14 5×3 4
30 12 4×2.5 40 17 5×3 6.5
40 15 5×3 50 22 7×4 9
40 18 5×3 60 28 7×4 13
50 22 7×4 65 32 10×4.5 21
50 25 7×4 75 38 10×4.5 34
65 30 7×4 85 45 12×4.5 51
75 35 10×4.5 95 55 16×6 78
85 40 12×5 110 60 18×7 102
85 45 14×5.5 110 65 18×7 142
95 50 14×5.5 125 70 20×7.5 202
110 60 18×7 155 90 25×9 340

WPW Worm Reducer Gearbox Part Structure

Worm Gearbox Part Structure

1 Frame 13 O Ring
2 Worm Wheel 14 O Ring
3 Worm Shaft 15 Oil Hole Cover
4 Output Shaft 16 Pin
5 Output Shaft Cover 17 Oil Guage
6 Output Shaft Cover 18 Oil Plug
7 Input Shaft Cover 19 Key
8 Input Shaft Cover 20 Key
9 Bearing 21 Key
10 Bearing 22 Intl.hex Screw
11 Oil Seal 23 Intl.hex Screw
12 Oil Seal 24 Shim

WPW Worm Gear Reducer Features

  • High Reduction Ratios
    WPW worm gear reducers offer a wide range of reduction ratios, from 10:1 to 100:1 in single-stage designs and up to 10,000:1 in double-stage configurations. This versatility allows precise speed adjustment and torque multiplication to meet diverse industrial requirements, ensuring optimal performance.
  • Compact and Durable Design
    Built with robust cast iron or aluminum housings, worm drive gearboxes are engineered for strength and longevity. Their compact structure saves valuable space while maintaining excellent resistance to wear, vibration, and harsh environmental conditions, making them ideal for demanding applications in limited installation areas.
  • Universal Mounting Options
    The WPW series worm reducer gearbox features a universal mounting design, allowing installation in various orientations, such as horizontal, vertical, or inclined positions. This flexibility ensures compatibility with different machinery setups, enhancing adaptability and simplifying integration into existing systems without additional modifications.
  • Self-Locking Capability
    Under specific conditions, worm gearboxes exhibit self-locking characteristics, preventing reverse motion without needing external braking mechanisms. This feature is particularly useful in applications like hoists and lifts, where safety and stability during operation are critical for productivity and reliability.
  • Low Noise and Smooth Operation
    Precision-machined components, including hardened worm shafts and bronze worm wheels, reduce friction and improve efficiency. This results in quieter performance and smoother motion, ensuring minimal operational noise, making WPW worm gear speed reducers suitable for environments that require reduced sound levels.
  • Efficient Heat Dissipation: WPW right angle worm gearboxes incorporate cooling fins and efficient lubrication to manage heat generated during operation. This design prevents overheating, maintains performance under high loads, and extends service life, making them reliable for continuous-duty applications in industries like agriculture and material handling.

WPW Worm Gear Reducer

WPW Worm Drive Gearbox Applications

  • Conveyor Systems
    WPW worm drive gearboxes are widely used in conveyor systems for material handling in industries like mining and manufacturing. Their high reduction ratios ensure precise speed control, enabling smooth transport of heavy loads with minimal power consumption and reliable performance.

  • Agricultural Machinery
    In agricultural equipment such as seeders and harvesters, worm wheel gearboxes provide robust torque for driving components. Their durable construction withstands harsh outdoor conditions, ensuring consistent operation in tasks like soil tilling or crop processing, enhancing productivity and equipment longevity.

  • Hoists and Lifting Equipment
    WPW worm reducer gearboxes are ideal for hoists and cranes due to their self-locking feature, which prevents load slippage. This ensures safe and controlled lifting in construction or warehousing, where precise load positioning and reliable holding are critical for operational safety.

  • Packaging Machinery
    In packaging lines for food, pharmaceuticals, and consumer goods, worm gear reducers deliver smooth and quiet operation. Their compact design fits into tight spaces, providing precise speed control for tasks like sealing, labeling, or filling, ensuring efficiency and high throughput.

  • Textile Industry
    WPW worm reduction gearboxes power textile machinery, such as spinning or weaving equipment. Their ability to handle high-torque loads and maintain consistent speeds supports precise fabric production, while their low maintenance requirements reduce downtime in fast-paced textile manufacturing environments.

  • Mixers and Agitators
    In chemical and food processing industries, worm gear speed reducers drive mixers and agitators for blending liquids or powders. Their high torque output and smooth operation ensure uniform mixing, while robust housing protects against corrosive materials, supporting reliable and continuous production processes.

Worm Gearbox for Conveyor Equipment Worm Gearbox for Construction Industry
Worm Gearbox for Conveyor Equipment Worm Gearbox for Construction Industry
Worm Gearbox for Textile Industry Worm Gearbox for Packaging Industry
Worm Gearbox for Textile Industry Worm Gearbox for Packaging Industry

WPW Worm Gearbox Oil Level Check

  1. Preparation and Safety
    Before checking the oil level in a worm gearbox, ensure the equipment is powered off and cooled down to avoid burns or injuries. Gather necessary tools, including a clean rag, wrench, and flashlight, and review the manual for specific instructions.
  2. Locate the Oil Level Plug
    Identify the oil level plug on the gearbox, typically found on the side of the housing. Consult the worm gear gearbox manual for the exact location, as it varies by model. Ensure the gearbox is on a level surface for an accurate reading.
  3. Clean the Area
    Wipe the area around the oil level plug with a clean rag to prevent dirt or debris from entering the gearbox. Contamination can damage internal components, so maintaining a clean workspace is critical for preserving the gearbox’s performance and longevity.
  4. Remove the Oil Level Plug
    Use a wrench to carefully remove the oil level plug. Turn it counterclockwise until it is fully detached. Handle the plug gently to avoid damaging the threads, which could lead to leaks or improper sealing during reassembly.
  5. Check Oil Level
    Observe the oil level through the plug opening using a flashlight if needed. The oil should be just below or at the bottom edge of the hole. If the level is too low, add the recommended lubricant as specified in the manual.
  6. Reinstall and Verify
    Replace the oil level plug securely, tightening it clockwise to ensure a proper seal. Check for leaks after reassembly and run the gearbox briefly to confirm normal operation. Regular oil checks maintain efficiency and extend the worm reducer gearbox’s service life.

Worm Gearbox Oil Level Check

Additional information

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