A 1B 6-N24072 is a bronze worm gear with 72 teeth, a pitch diameter of 3.000 inches, a bore diameter of 0.3119 inches, a hub length of 3/4 inch, and a hub projection of 7/8 inch. It is designed for use with a 24-pitch, single-thread, right-hand steel worm with a 14-1/2° pressure angle and a lead of 0.1309 inch. The gear has a 1/4 inch keyway and is compatible with the steel worm part number A 1C 5-N24 or its variants.
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-N24072 |
| Product Name | 72:1 Gear Ratio, 72 Teeth, Worm Gear |
| Gear Type | Rack |
| Number of Teeth | 72 |
| Pressure Angle | 14.5° |
