A 48-pitch worm gear made of bronze QQ-B-637 Alloy 464, designed to mesh with 303 stainless steel worms, featuring a right-hand thread and 14-1/2° pressure angle. Available with .1248 in., .1873 in., or .2498 in. bores and single, double, or quadruple threads. Gear tooth counts range from 40 to 120, with pitch diameters from .8333 in. to 2.5000 in. Mounting is via set screw with counterbore relief for .1248 in. and .1873 in. bores. Worms are matched with lead angles and screw sizes of #2-56, #4-40, or #6-32.
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 | S1C86Z-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 |
