JWB-X Mechanical Speed Variator
- Start From 1 Unit
- 15Days Delivery
- OEM Support
Mechanical stepless speed variator for conveyors, process machines, test equipment, and production lines that need manual speed adjustment.
Key Range
- Input power: 0.18–7.5 kW
- Output speed: 2–950 r/min
- Speed variation ratio: 5:1
Technical Datasheets
| Item | Data |
|---|---|
| Product name | JWB-X / SWB Series Mechanical Speed Variator |
| Product type | Mechanical stepless speed variator |
| Transmission form | Planetary cone-disk friction CVT |
| Main function | Mechanical speed adjustment |
| Input power | 0.18–7.5 kW |
| Output speed | 2–950 r/min |
| Output torque | 1.6–1,002 N·m |
| Speed variation ratio | 5:1 |
| Input forms | Direct AC motor, IEC motor, shaft input, flange input |
| Mounting forms | Foot-mounted, flange-mounted |
| Housing type | A type cast iron; B type aluminum alloy |
| Combination option | JWB-X + NMRV / RV worm gear reducer |
| Best fit | Adjustable-speed conveyors, packaging machines, food processing equipment, ceramic machinery, textile machinery, woodworking feed systems, test equipment, and trial-production lines |
| Current Series | Previous Type | Output Torque Reference | Output Shaft Diameter |
|---|---|---|---|
| SWB01 | JWB01 | 2.6–1.6 N·m | Ø11 |
| SWB02 | JWB02 | 258–1.8 N·m | Ø14 / Ø24 / Ø28 / Ø32 |
| SWB03 | JWB03 | 426–4 N·m | Ø24 / Ø28 / Ø38 |
| SWB04 | JWB04 | 795–8 N·m | Ø28 / Ø38 / Ø42 |
| SWB05 | JWB05 | 535–16 N·m | Ø38 / Ø48 / Ø55 |
| SWB06 | JWB06 | 1,002–40 N·m | Ø42 / Ø55 / Ø70 |
No. JWB-X is a mechanical speed variator. It adjusts output speed through mechanical transmission, while a frequency converter adjusts motor speed electronically.
Yes, the product literature supports speed adjustment under load within the product’s operating conditions. The actual model should be confirmed according to torque, speed range, and duty cycle.
Yes. JWB-X can be combined with NMRV / RV worm gear reducers to form a compact adjustable-speed reduction unit, especially when lower output speed or right-angle transmission is required.
Starshine usually needs motor power, input speed, required output speed range, output torque, mounting form, input type, output shaft requirement, duty cycle, and working environment.
Drawings and CAD files can be requested after the model, mounting form, output shaft, and reducer combination are confirmed.
Possible. Replacement should be checked by nameplate, output speed range, mounting dimensions, shaft diameter, input form, and reducer combination. Send the existing model photo or drawing for confirmation.
JWB-X Mechanical Speed Variator
- On-Load Speed Adjustment
- Wide Speed Range
- Reliable Mechanical Control
Typical Applications

Adjustable-Speed Packaging Conveyors

Automatic Production Line Transfer Modules

Bottling and Filling Speed-Change Lines

Ceramic Glazing and Transfer Lines

Food Processing Feed Conveyors

Industrial Test and Trial Production Lines

Textile and Leather Feed Lines

Woodworking Panel Feed Machines
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