®Worm Gearboxes
NMRV, WP and CWU worm gearboxes plus SWL worm-gear screw jacks for space-saving right-angle drives with high single-stage ratios.
Series · CHENGFA
NMRV Series Worm Gearbox
CHINFAR NMRV aluminum-housing worm gearbox: 11 frame sizes (025-150), ratios 5:1-100:1, output torque up to 1,550 Nm. Dimensional compatibility with SEW WF, Bonfiglioli VF, and Rossi RV for conveyor, packaging, mixer, and OEM equipment applications.
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Series · CHENGFA
WP Series Worm Gearbox
CHINFAR WP series cast-iron worm gearbox: heavy-duty design for industrial conveyor, mixer, and agitator drives. Ratios 10:1-60:1, output torque up to 4,500 Nm. Dimensional compatibility with SEW WF cast-iron, Bonfiglioli W, and Rossi WV series for replacement and OEM applications.
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Series · CHENGFA
CWU Series Circular-Arc Worm Gear Reducer
CHINFAR CWU circular-arc cylindrical worm gear reducer: high-load capacity, low-noise design to GB9147-88 / JB/T7935. Ratios 10:1-63:1, output torque up to 18,000 Nm. Replacement option for SEW S series in crane, metallurgy, and mining applications.
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Series · CHENGFA
SWL Series Worm Gear Screw Jack
CHINFAR SWL series worm gear screw jack: lifting capacity 2.5 kN-1000 kN, travel up to 6000 mm, mechanical self-locking. Replacement-compatible with SEW helical screw drive and Bonfiglioli screw jack. Solar tracker, stage machinery, bridge lifting, valve actuator, and material handling applications.
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Information needed for selection
To recommend a suitable configuration, please provide whenever available: application, motor power, input speed, required output speed, torque, mounting arrangement, operating hours and quantity.
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FAQ
What are the operating limits of a worm gearbox?
Worm gearboxes provide high single-stage ratios but have lower efficiency at very high ratios and may require consideration of thermal limits for continuous operation.