A 1T 6-Y485006 is a 48-pitch molded worm gear with 50 teeth, a pitch diameter of 1.042 inches, an outside diameter of 1.084 inches, and a bore size of 0.1875 inch with a #4-40 set screw. It has a face width of 0.1875 inch, a hub diameter of 0.5 inch, and a hub length of 0.25 inch. The gear is made of acetal with a brass insert and is designed to mesh with standard steel or brass worms at a 20° pressure angle. The part is rated for right-hand helical action and is intended for use in right-angle drive applications.
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-Y485006 |
| Product Name | 25:1 Gear Ratio, 50 Teeth, Worm Gear |
| Gear Type | Rack |
| Number of Teeth | 50 |
| Pressure Angle | 20° |
