A 1T 6-Y245008 is a 24-pitch molded worm gear with 50 teeth, made of mineral-filled nylon, and a brass insert. It has a 0.2500 inch bore with a #6-32 set screw, a 2.083 inch pitch diameter, a 2.167 inch outside diameter, and a 0.2500 inch face width. The gear is designed to mesh with right-hand worms at a 20° pressure angle and operates at right angles to the worm shaft. Dimensions include a hub diameter of 5/16 inch, hub projection of 1-25/32 inch, and a keyway of 3/4 inch with a 1/16 inch keyway depth.
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-Y245008 |
| Product Name | 25:1 Gear Ratio, 50 Teeth, Worm Gear |
| Gear Type | Rack |
| Number of Teeth | 50 |
| Pressure Angle | 20° |
