KSW0.8-R1 is a precision-grade steel worm gear with a module of 0.8, one start, and a right-hand thread. It features a W2-shaped hub with a set screw, a bore of 6 mm, a pitch diameter of 14 mm, and an outside diameter of 15.6 mm. The total length is 30 mm, and the set screw size is M4. The material is S45C steel with a tooth hardness less than 194 HB. The gear operates with a normal pressure angle of 20° and a lead angle of 3°17'. The part includes a set screw and produces axial thrust forces. It is precision grade KHK W 001 grade 4, and secondary operations are cautioned against due to impact on precision.
Module 0.8, 1 Start Mild Steel Hubless Right Handed Worm with Set Screw
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 | KSW0.8-R1 | KSW0.8-R1 |
| Product Name | Commercial & Precision Worms (metric) | Module 0.8, 1 Start Mild Steel Hubless Right Handed Worm with Set Screw |
| Design | Metric | |
| Pressure Angle | 20° | 20° |
| Material | Steel | Mild Steel / Commercial |
| OD | 15.6 mm (0.6142 inch) | |
| Face Width | 30 mm (1.18 inch) | 30 mm (1.18 inch) |
