A 1M 6-Y32020 is a 32-pitch acetal worm gear with 20 teeth, a pitch diameter of 0.625 inch, an outside diameter of 0.687 inch, a face width of 0.5 inch, a bore diameter of 0.187 inch, and a hub length of 0.187 inch. It is designed to mesh with standard steel or brass worms at a 90-degree shaft angle. The gear has a hex bore with across-flats dimension of 5/32 inch, as referenced. The material is acetal, consistent with all 32-pitch worm gears in this series.
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 | A 1M 6-Y32020 |
| Product Name | 10:1 Gear Ratio, 20 Teeth, Worm Gear |
| Gear Type | Rack |
| Number of Teeth | 20 |
| Pressure Angle | 20° |
