KSWG2.5-R2J16 is a module 2.5, 2-start ground steel right-handed worm with a 16mm bore, 5mm keyway by 2.3mm depth, and an M4 set screw. It has a 7°42' helix angle, 20° normal pressure angle, induction-hardened teeth at 50-60 HRC, and is made of S45C steel. The part measures 37mm pitch diameter, 42mm outside diameter, 45mm face width, 17mm hub width, 3mm hub thickness, and 65mm total length. Weight is 0.38kg. Precision grade is KHK W 001 grade 2. Keyway follows JIS B1301 Js9 tolerance.
Module 2.5, 2 Start Ground Steel Right Handed Worm with 16mm 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 | KSWG2.5-R2J16 | KSWG2.5-R2J16 |
| Product Name | Commercial & Precision Worms (metric) | Module 2.5, 2 Start Ground Steel Right Handed Worm with 16mm Finished Bore |
| Design | Metric | |
| Pressure Angle | 20° | 20° |
| Material | Steel | Ground Steel / Commercial |
| OD | 42 mm (1.65 inch) | |
| Face Width | 45 mm (1.77 inch) | 45 mm (1.77 inch) |
