A worm gear set with bronze gears (QQ-B-637 Alloy 464) and 303 stainless steel worms, 64 pitch, 14-1/2° pressure angle, and single, double, or quadruple thread options. Available bore sizes are 0.1248 in., 0.1873 in., and 0.2498 in., with standard tooth counts of 50, 55, 60, 65, 70, 75, 80, 95, 100, 105, 110, 115, 120, 180, and 360. The gear is designed for right-hand rotation and uses a 7/64 in. screw with a counterbore relief for bores of 0.1248 in. and 0.1873 in. Lead angles range from 1°47' for single thread to 7°7.5' for quadruple thread.
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 | S1C86Z-P064B045D |
| Product Name | 22.5:1 Gear Ratio, 45 Teeth, Worm Gear |
| Gear Type | Rack |
| Number of Teeth | 45 |
| Pressure Angle | 14.5° |
| Material | Bronze; AGMA Q10 / Bronze |
