A 48-pitch worm gear with 90 teeth, a 0.1248 in. bore, and a single thread, made of Bronze QQ-B-637 Alloy 464 and designed to mesh with 303 stainless steel worms. The gear has a 14-1/2° pressure angle, a pitch diameter of 1.8750 in., and is secured with a set screw. The part is part of the S1C83Z-P048B series, which specifies bore sizes of 1/8, 3/16, and 1/4 inch, and thread types of single, double, or quadruple. This specific variant is not explicitly listed, but the series specifications and dimensions are as stated.
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 | S1C83Z-P048B090S |
| Product Name | 90:1 Gear Ratio, 90 Teeth, Worm Gear |
| Gear Type | Rack |
| Number of Teeth | 90 |
| Pressure Angle | 14.5° |
| Material | Bronze; AGMA Q10 / Bronze |
