KAGF2-20R2 is a right-hand lead worm wheel with module 2, 20 teeth, 2 starts, and a profile shift of −0.5. It has a normal 20° pressure angle, a hub bore of H6, and is made from CAC702 aluminum bronze with a face width of 18 mm, hub width of 12 mm, and a web thickness of 5 mm. The gear has a pitch diameter of 40 mm, outside diameter of 44 mm, and throat diameter of 42 mm. It is designed for axial thrust operation and has a recommended backlash range of 0.11 to 0.24 mm. The allowable torque at 100 rpm is 16.1 N·m, and the part weighs 0.25 kg. Precision grade is KHK W 002 grade 2.
Module 2, 20 Tooth, 2 Start, Right Handed Aluminum 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 | KAGF2-20R2 | KAGF2-20R2 |
| Product Name | Right Hand Lead Worm Gears (metric) | Module 2, 20 Tooth, 2 Start, Right Handed Aluminum Bronze Worm Gear with Plain Bore |
| Number of Teeth | 20 | 20 |
| Design | Metric | |
| Pressure Angle | 20° | 20° |
| PD | 40 mm (1.57 inch) | 40 mm (1.57 inch) |