An anti-backlash worm gear for 48 pitch applications with a 0.1873 inch bore, clamp-type hub, and double-threaded design, featuring a bronze gear body (QQ-B-637 Alloy 464), 303 stainless steel hub, and 302 stainless steel springs. It has 80 teeth and a 20° pressure angle, with a face width of 0.188 inch and a set screw for shaft retention. The part is right-hand threaded and designed to mate with corresponding double-threaded worms.
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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| Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|
| Product Category | Gears |
| Product Number | S1B83A-C048B080D |
| Product Name | 80 Teeth, 20° Pressure Angle, 0.1875 Face width Anti-backlash worm gear |
| Gear Type | Rack |
| Number of Teeth | 80 |
| Design | English |
| Pressure Angle | 20° |
| Features | Anti-backlash |
