Bonfiglioli VF W30 63UFC2 Gear Reducer Ratio 168 to 1 with P63 B14 and VF30 P1 7
The Bonfiglioli VF W30 63UFC2 gear reducer is a compact worm gear assembly configured with a 168 to 1 ratio, a P63 B14 motor interface, and VF30 P1 7 configuration features. The model designation combines VF and W series elements with the 30 and 63UFC2 codes, which define the gearbox size, shaft, flange, and mounting details. The P63 B14 interface allows a compatible IEC 63 frame motor with a B14 flange to be mounted to the reducer. The high 168 to 1 ratio makes this unit suitable for applications that require very low output speed and increased torque.
Product Overview
The VF and W series are Bonfiglioli worm gearbox families used in industrial power transmission. Worm gearboxes achieve high reduction ratios in a single stage by using a hardened worm shaft that drives a bronze worm wheel. This construction provides smooth motion, low noise, and a self locking tendency under many load conditions. The 30 and 63UFC2 codes define the specific build and interface details of the unit.
The gearbox housing supports the worm shaft and wheel with sufficient rigidity for stable gear mesh. Bearings support the radial and axial forces generated by the worm gear action. Seals protect the lubricant and bearings from dust and moisture. Lubrication is contained within the housing and distributed to the gear mesh and bearings during operation.
Construction and Design
The worm shaft is hardened and ground for smooth contact and reduced wear. The bronze worm wheel provides favorable friction characteristics and contributes to quiet operation. The housing maintains correct alignment between the worm and wheel under load. The P63 B14 interface is machined for precise motor mounting. The VF30 P1 7 features define the mounting and shaft arrangement of the unit.
The output shaft is machined to accept couplings, pulleys, sprockets, or other driven components. The housing design supports heat dissipation, which is important in worm gearboxes because sliding contact generates heat. Proper lubrication and clean exterior surfaces help maintain stable operating temperatures. The unit should be selected with an appropriate service factor for the application.
Performance Characteristics
The 168 to 1 ratio determines the output speed by dividing the motor speed by 168. The output torque depends on the motor power, gearbox efficiency, and service factor. Worm gearboxes provide gradual torque transfer, which helps reduce shock in driven equipment. The smooth engagement of the worm and wheel also contributes to quiet operation.
Worm gearboxes have a self locking tendency under many load conditions. This can be useful when the load must remain in position after the motor stops. However, self locking is not guaranteed in all conditions and should be verified for the specific application. Efficiency depends on the ratio, load, speed, and lubrication. Thermal capacity should be checked for continuous duty or high ambient temperatures.
Applications
The Bonfiglioli VF W30 63UFC2 reducer is suitable for small conveyors, packaging machines, labeling equipment, rotary feeders, and general industrial drives. The high 168 to 1 ratio is useful in applications that require very low output speed and high torque. The compact size allows the unit to fit into machine frames where space is limited.
The P63 B14 interface supports direct motor mounting for a compact drive package. The gearbox can be paired with a compatible motor for a complete drive assembly. When variable speed operation is required, the motor and gearbox should be evaluated together to confirm that the speed range and torque are suitable. Correct selection helps ensure reliable operation and long service life.
Installation Guidelines
Installation should begin with a check of the nameplate data and a visual inspection of the gearbox. The unit should be mounted on a rigid base that can withstand the torque reaction. Mounting bolts should be tightened to the recommended torque. The motor should be aligned with the P63 B14 interface so that the motor shaft engages the gearbox input correctly. The output shaft should be aligned with the driven equipment to avoid excessive loads on bearings and seals.
After installation, the gearbox should be checked for smooth rotation and correct oil level. A short run without load helps confirm that the assembly operates correctly. Any unusual noise, vibration, or temperature rise should be investigated before full service. Electrical connections to the motor should be made by qualified personnel following local regulations.
Maintenance Recommendations
Regular maintenance supports reliable performance and long service life. Oil level and oil condition should be checked at recommended intervals. The first oil change should be performed after the initial running in period, and later changes should follow the schedule for the operating conditions. Seals and bearings should be inspected periodically. Leakage, abnormal noise, or vibration should be addressed promptly.
The exterior of the gearbox should be kept clean to support heat dissipation. Adequate airflow around the housing helps maintain stable temperatures. In dusty or humid environments, additional protection may be needed to prevent contamination. Maintenance records help identify trends and support planned servicing. Following a consistent maintenance schedule reduces the risk of unexpected downtime.
Selection Considerations
When selecting the VF W30 63UFC2 gearbox, engineers should confirm the required output torque, output speed, duty cycle, and environmental conditions. The 168 to 1 ratio and motor speed determine the output speed. The available torque depends on motor power and gearbox efficiency. A service factor should be applied for starting loads, shock loads, and continuous operation. The P63 B14 interface must match the selected motor.
The gearbox mounting position should provide adequate support and allow correct lubrication. The output shaft and mounting features should match the driven equipment. For applications that rely on holding or self locking, the load conditions should be evaluated carefully. Correct selection helps ensure smooth operation, stable thermal behavior, and long service life.
Conclusion
The Bonfiglioli VF W30 63UFC2 gear reducer with a 168 to 1 ratio offers a compact high reduction solution with a P63 B14 motor interface and smooth worm gear operation. Its construction supports quiet torque transmission and reliable performance in conveyors, packaging equipment, and industrial machinery. With correct installation and maintenance, the reducer provides dependable operation and long service life.




