A molded worm gear with 50 teeth, 48 pitch, and a 0.417-inch pitch diameter, designed to mesh with matching worms at a 90-degree angle. Made of acetal, it has a 0.458-inch outside diameter, a 3/8-inch face width, a 0.187-inch bore, and a 3/16-inch hub projection. The gear features a hex bore with an across-flats dimension of 5/32 inch and operates with a 20° pressure angle.
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-Y48050 |
| Product Name | 25:1 Gear Ratio, 50 Teeth, Worm Gear |
| Gear Type | Rack |
| Number of Teeth | 50 |
| Pressure Angle | 20° |
