KSW3-R2J17 is a module 3, 2-start, right-handed steel worm with a 17 mm finished bore, keyway 6 mm wide by 2.8 mm deep, and an M5 set screw. It has a helix angle of 7°50', a pitch diameter of 50 mm, a face width of 28 mm, and weighs 0.62 kg. It adheres to KHK W 001 grade 4 precision standards and is designed for use with bronze or gray iron worm wheels. The worm is made from S45C steel with no heat treatment, and has a tooth hardness under 194 HB. Axial thrust forces are generated during operation.
Module 3, 2 Start Mild Steel Right Handed Worm with 17mm Finished Bore
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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| QTC METRIC GEARS | Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|---|
| Product Category | Gears | Gears |
| Product Number | KSW3-R2J17 | KSW3-R2J17 |
| Product Name | Commercial & Precision Worms (metric) | Module 3, 2 Start Mild Steel Right Handed Worm with 17mm Finished Bore |
| Design | Metric | |
| Pressure Angle | 20° | 14.5° |
| Material | Steel | Mild Steel / Commercial |
| OD | 50 mm (1.97 inch) | |
| Face Width | 50 mm (1.97 inch) | 50 mm (1.97 inch) |
