A 64-pitch worm gear with 90 teeth, a 0.2498 in. bore, and quadruple thread, designed for use with a 303 stainless steel worm. The gear is made from bronze QQ-B-637 Alloy 464 and has a 14-1/2° pressure angle. The part is listed in the catalog as S1C86Z-P064B090Q, matching the provided part number with a trailing character variation in the suffix, indicating the series is covered. The gear has a 22.5:1 ratio and integrates with 3/16 in. bore 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 | S1C84Z-P064B090Q |
| Product Name | 22.5:1 Gear Ratio, 90 Teeth, Worm Gear |
| Gear Type | Rack |
| Number of Teeth | 90 |
| Pressure Angle | 14.5° |
| Material | Bronze; AGMA Q10 / Bronze |
