A 1B66MYK10R040 is an aluminum bronze worm gear with 40 teeth, a 40 mm pitch diameter, a 10 mm bore with H8 tolerance, and a keyway for 3 mm width and 1.4 mm depth. It has a 20° pressure angle and is right-handed. The hub diameter is 25 mm, and it features a threaded bore with M5x0.8 set screw.
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 1B66MYK10R040 |
| Product Name | 40:1 Gear Ratio, 40 Teeth Worm Gear |
| Gear Type | Rack |
| Number of Teeth | 40 |
| Pressure Angle | 20° |
| Material | Bronze; ISO 8 / Alum. Bronze |
