Product Overview: Bonfiglioli W 63 U 40 P71 B5 B3
The Bonfiglioli W 63 U 40 P71 B5 B3 is a high-performance worm gear unit belonging to the «Universal» W series. This series is recognized globally for its reliability, versatility, and compact design. The W 63 size is specifically engineered to provide an optimal torque-to-weight ratio, making it an ideal choice for a wide variety of industrial applications, including conveyor systems, packaging machinery, and material handling solutions.
Advanced Technical Features
This gearbox features a reduction ratio of 40:1, designed to be coupled with an IEC 71 B5 motor flange. The «Universal» (U) designation refers to its flexible mounting design, which allows for installation in multiple orientations, although this specific configuration is optimized for the B3 (horizontal) position. The housing is made of high-strength cast iron or high-grade aluminum (depending on the production batch), ensuring excellent thermal dissipation and structural rigidity under high-load conditions.
Detailed Specifications
- Part Number: W 63 U 40 P71 B5 B3
- Gear Ratio (i): 40:1
- Input Flange: P71 B5 (IEC Standard)
- Mounting Position: B3 (Foot mounted)
- Housing Size: 63
- Shaft Arrangement: Hollow output shaft (Standard)
- Lubrication: Synthetic oil (typically filled for life)
Engineering Benefits
The worm-and-wheel gearing system is precision-ground and hardened to ensure quiet operation and a long service life. The W series is designed to withstand significant shock loads and provides inherent self-braking capabilities in certain ratios. Its compact right-angle layout is perfect for machine architectures where space along the motor axis is limited.
| Feature | Benefit |
| High-Quality Bronze Wheel | Reduces friction and heat generation |
| Universal Housing | Flexible installation in any plant layout |
| P71 B5 Interface | Seamless coupling with standard 0.37kW/0.25kW motors |
Frequently Asked Questions
Is this unit pre-filled with oil? Yes, Bonfiglioli W series units up to size 90 are generally supplied pre-filled with synthetic oil for the specified mounting position.
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