KBG6-20R1 is a bronze worm gear with module 6, 20 teeth, one start, and a right-hand helix angle of 4°18'. It has a bore diameter of 25 mm, hub diameter of 100 mm, pitch diameter of 120.34 mm, throat diameter of 132 mm, outside diameter of 136 mm, and face width of 52 mm. The gear is precision grade KHK W 002 grade 4, with a standard full-depth tooth profile and a normal pressure angle of 14°30'. It is made of CAC502 material with a sand mold casting finish. The hub width is 20 mm, total length is 72 mm, mounting distance is 100 mm, and weight is 6.60 kg. Backlash ranges from 0.22 to 0.42 mm. Allowable torque at 30 rpm is 232 N·m, decreasing to 88.8 N·m at 1200 rpm.
Module 6, 20 Tooth, 1 Start, Right Handed Bronze Worm Gear with Plain Bore
A worm gear pair, or worm gear set, consists of two gears: the worm, which resembles a spiral screw, and the worm gear (aka, worm wheel).
For the pair to mesh, the worm and worm gear must have the same pressure angles, modules, and lead directions (left- or right-hand).
A worm revolves on a shaft that’s perpendicular to the worm gear and the shaft angle is typically 90°. Because the teeth gradually mesh as the worm rotates, there is low noise and low vibration.
For more about worm gear mesh geometry follow this link.
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| QTC METRIC GEARS | Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|---|
| Product Category | Gears | Gears |
| Product Number | KBG6-20R1 | KBG6-20R1 |
| Product Name | Right Hand Lead Worm Gears (metric) | Module 6, 20 Tooth, 1 Start, Right Handed Bronze Worm Gear with Plain Bore |
| Number of Teeth | 20 | 20 |
| Design | Metric | |
| Pressure Angle | 20° | 14.5° |
| PD | 120 mm (4.72 inch) | 120 mm (4.72 inch) |
