A 48-pitch bronze worm gear with 14-1/2° pressure angle, available in bore sizes of 1/8, 3/16, or 1/4 inch, paired with 303 stainless steel worms having single, double, or quadruple threads. Quadruple-threaded variants have a 25° pressure angle and a lead of 0.2618 inch. The gear is designed for right-hand rotation and uses bronze alloy QQ-B-637 Alloy 464. Available bore sizes are .1248, .1873, and .2498 inch. A sub-drill option is available for custom bore sizes.
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-P048B035Q |
| Product Name | 8.75:1 Gear Ratio, 35 Teeth, Worm Gear |
| Gear Type | Rack |
| Number of Teeth | 35 |
| Pressure Angle | 25° |
| Material | Bronze; AGMA Q10 / Bronze |