Module 2.5, 20-tooth, 2-start, right-hand nylon worm gear with a 15 mm bore, 35 mm hub diameter, 50.46 mm pitch diameter, 55 mm throat diameter, 57.5 mm outside diameter, 22 mm face width, 14 mm hub width, and 36 mm total length. The gear has a bending strength of 8.54 N·m, allowable torque of 0.87 kgf·m, and backlash of 0~0.36 mm. Weight is 0.066 kg. Keyway is 5 mm width by 2.3 mm depth with an M4 set screw. Designed for use with stainless steel worms, and subject to dimensional changes under varying temperature or humidity conditions.
Module 2.5, 20 Tooth, 2 Start, Right Handed Nylon Worm Gear with 15mm Finished 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 | KPG2.5-20R2J15 | KPG2.5-20R2J15 |
| Product Name | Right Hand Lead Worm Gears (metric) | Module 2.5, 20 Tooth, 2 Start, Right Handed Nylon Worm Gear with 15mm Finished Bore |
| Number of Teeth | 20 | 20 |
| Design | Metric | |
| Pressure Angle | 20° | 20° |
| Mounting | Keyway; Set Screw | Keyway |
| PD | 50 mm (1.97 inch) | 50 mm (1.97 inch) |
