An anti-backlash worm gear with 80 teeth, a 0.1873-inch bore, and a single thread (14-1/2° pressure angle), mounted in clamp type style. The gear body is made of bronze QQ-B-637 Alloy 464, the hub is 303 stainless steel, and the spring is 302 stainless steel, spring tempered. The face width is 0.188 inch, and the pitch diameter is 1.4583 inches. The part uses a #4-40 set screw for clutching.
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 | S1B86A-C048B080S |
| Product Name | 80 Teeth, 14.5° Pressure Angle, 0.1875 Face width Anti-backlash worm gear |
| Gear Type | Rack |
| Number of Teeth | 80 |
| Design | English |
| Pressure Angle | 14.5° |
| Features | Anti-backlash |
