A right-hand worm gear with 40 teeth, made of acetal, for use with a module 0.8 stainless steel worm. It has a bore diameter of 14 mm, a pitch diameter of 32 mm, an overall thickness of 6 mm, and a 4 mm bore hole for an M4 set screw. The gear operates with a 20° pressure angle and a 4° 24' lead angle, compatible with single-thread worms possessing a 2.521 mm lead. Dimensions adhere to metric standards for H8 fit and are designed for use with standard shafing.
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 1P 6MYK08R040 |
| Product Name | 40:1 GEAR RATIO, 40 TEETH WORM GEAR |
| Gear Type | Rack |
| Number of Teeth | 40 |
| Pressure Angle | 20° |
| Material | Acetal; Commercial / Acetal |
