A 64-pitch worm gear with 45 teeth, a 0.1248-inch bore, and a double-threaded worm, designed for right-hand rotation with a 14.5° pressure angle. The gear is made from bronze QQ-B-637 Alloy 464 and mates with a 303 stainless steel worm. The gear ratio is 22.5:1, corresponding to a double-threaded worm engaging 45 teeth. The bore size and thread type are consistent with the S1C8Z-P064 series for inch components. The worm gear features a counterbored hub with a 7/64-inch relief on screw holes, and is designed for use in standard 90° shaft arrangements.
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-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 |
