Right-hand helical nylon worm gear with module 2, 20 teeth, 2 starts, 16 mm bore, and 7°25' helix angle. Constructed from MC901 nylon with a pitch diameter of 40.34 mm, outside diameter of 44 mm, face width of 22 mm, and total length of 35 mm. Includes a keyway (5 mm × 2.3 mm) and set screw (M4). Allowable torque is 0.49 N·m (0.05 kgf·m), with backlash ranging from 0 to 0.33 mm. Weight is 0.046 kg.
Module 2, 20 Tooth, 2 Start, Right Handed Nylon Worm Gear with Finished 16mm 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 | KPG2-20R2J16 | KPG2-20R2J16 |
| Product Name | Right Hand Lead Worm Gears (metric) | Module 2, 20 Tooth, 2 Start, Right Handed Nylon Worm Gear with Finished 16mm Bore |
| Number of Teeth | 20 | 20 |
| Design | Metric | |
| Pressure Angle | 20° | 20° |
| Mounting | Keyway; Set Screw | Keyway |
| PD | 40 mm (1.57 inch) | 40 mm (1.57 inch) |
