A 1B 6-Z48030 is a bronze worm gear with 30 teeth, a pitch diameter of 0.625 inches, a bore of 7/16 inch, and a hub length of 3/16 inch, designed to mesh with a 48-pitch, right-hand steel worm. The gear has a 25° pressure angle and a quadruple-thread worm with a lead of 0.2618 inch and a lead angle of 14°2'.
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-Z48030 |
| Product Name | 7.5:1 Gear Ratio, 30 Teeth, Worm Gear |
| Gear Type | Rack |
| Number of Teeth | 30 |
| Pressure Angle | 25° |
