The A 1B 6-Z24100 is a bronze worm gear with 100 teeth, a pitch diameter of 4.167 inches, a bore diameter of 0.3744 inches, a bore tolerance of +.0010/-.0000, a hub length of 5/8 inch, a hub projection of 7/8 inch, and a 1/4 inch keyway. It is designed to mesh with a right-hand, quadruple-thread steel worm having a 25° pressure angle and a lead of 0.5236 inches. The gear is part of a 24-pitch worm gear series with a 18°26' lead angle.
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-Z24100 |
| Product Name | 25:1 Gear Ratio, 100 Teeth, Worm Gear |
| Gear Type | Rack |
| Number of Teeth | 100 |
| Pressure Angle | 25° |
