KSW4-R2 is a module 4, right-hand, 2-start steel worm with a plain bore, 22 mm bore diameter, 50 mm pitch diameter, 62 mm outside diameter, 70 mm face width, and 95 mm total length. It is made of S45C steel with W1 heat treatment, has a tooth hardness less than 194 HB, and operates with a 14°30' normal pressure angle. The worm produces axial thrust forces and complies with KHK W 001 grade 4 precision. It weighs 1.76 kg.
Module 4, 2 Start Mild Steel Right Handed Worm with Plain 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 | KSW4-R2 | KSW4-R2 |
| Product Name | Commercial & Precision Worms (metric) | Module 4, 2 Start Mild Steel Right Handed Worm with Plain Bore |
| Design | Metric | |
| Pressure Angle | 20° | 14.5° |
| Material | Steel | Mild Steel / Commercial |
| OD | 70 mm (2.76 inch) | |
| Face Width | 70 mm (2.76 inch) | 70 mm (2.76 inch) |
