KSWG2-R2J12 is a module 2, 2-start right-hand ground steel worm with a 12 mm bore, induction-hardened teeth (50-60 HRC), and a 7°21' helix angle. It has a pitch diameter of 25 mm, outside diameter of 31 mm, face width of 35 mm, hub width of 32 mm, and overall length of 50 mm. The keyway is 4 mm wide by 1.8 mm deep per JIS B1301 Js9 tolerance, and a set screw is included. Precision grade is KHK W 001 grade 2. Weight is 0.21 kg.
Module 2, 2 Start Ground Steel Right Handed Worm with 12mm 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-R2J12 | KSWG2-R2J12 |
| Product Name | Commercial & Precision Worms (metric) | Module 2, 2 Start Ground Steel Right Handed Worm with 12mm Finished Bore |
| Design | Metric | |
| Pressure Angle | 20° | 20° |
| Material | Steel | Ground Steel / Commercial |
| OD | 35 mm (1.38 inch) | |
| Face Width | 32 mm (1.26 inch) | 32 mm (1.26 inch) |
