The A 1T 6-N322008 is a 32-pitch right-hand molded worm gear with 20 teeth, a 0.625-inch pitch diameter, a 0.687-inch outside diameter, a 0.2500-inch bore, and a 3/16-inch face width, featuring a #8-32 set screw and sub-drill. It is made of mineral-filled nylon with a brass insert and operates with a 14-1/2° pressure angle in mesh with compatible worms at right angles.
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 1T 6-N322008 |
| Product Name | 20:1 Gear Ratio, 20 Teeth, Worm Gear |
| Gear Type | Rack |
| Number of Teeth | 20 |
| Pressure Angle | 14.5° |
