A 1B 6-Y24018 is a bronze worm gear with 18 teeth, a pitch diameter of 0.750 inch, a bore of 0.1869 inch, and a hub thickness of 0.250 inch. It is designed for use with a 24-pitch, right-hand steel worm with a 9° 28' lead angle and a 20° pressure angle. The gear has a hub projection of 0.500 inch and a bore tolerance of +0.0010/-0.0000 inch.
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 1B 6-Y24018 |
| Product Name | 9:1 Gear Ratio, 18 Teeth, Worm Gear |
| Gear Type | Rack |
| Number of Teeth | 18 |
| Pressure Angle | 20° |
