A 1B 6-N32072 is a bronze worm gear with 72 teeth, a pitch diameter of 2.250 inches, a face width of 0.3119 inches, a bore diameter of 0.1875 inches, a hub length of 0.5 inches, and a hub projection of 0.3119 inches. It is designed to mesh with a 32-pitch, single-thread, right-hand steel worm having a 14-1/2° pressure angle. The gear has a 7/16-inch hub hub width and a 5/16-inch hub projection. The product is part of a 32-pitch worm gear series with bronze gears and steel worms.
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-N32072 |
| Product Name | 72:1 Gear Ratio, 72 Teeth, Worm Gear |
| Gear Type | Rack |
| Number of Teeth | 72 |
| Pressure Angle | 14.5° |
