A right-hand steel worm with 1.5 module, 25 mm pitch diameter, single thread, and 10 mm bore tolerance H8, designed for meshing with metric worm gears. The worm has a lead of 4.719 mm, a lead angle of 3° 26', and an overall length of 43 mm with no hub projection. It features a keyway and is intended for use in applications requiring precise, low-noise motion transmission.
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 1C 5MYK15RB |
| Product Name | 1.5 Mod / 1 Thread / 25mm (PD), 3.43° / Right Hand Worm |
| Gear Type | Worm; Rack |
| Direction | Right |
| Pressure Angle | 20° |
| Material | Steel / ISO 8 |
