KSWG3-R2J18 is a ground steel worm with module 3, 2 starts, and a right-hand thread, featuring a 18 mm bore, 6×2.8 mm keyway, M5 set screw, and 74 mm total length. It has a hub made from FC200 cast iron, tooth hardness of 50-60 HRC, and is made from S45C material with induction-hardened teeth. The helix angle is 7°46′, and it weighs 0.62 kg.
Module 3, 2 Start Ground Steel Right Handed Worm with 18mm 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 | KSWG3-R2J18 | KSWG3-R2J18 |
| Product Name | Commercial & Precision Worms (metric) | Module 3, 2 Start Ground Steel Right Handed Worm with 18mm Finished Bore |
| Design | Metric | |
| Pressure Angle | 20° | 20° |
| Material | Steel | Ground Steel / Commercial |
| OD | 50 mm (1.97 inch) | |
| Face Width | 50 mm (1.97 inch) | 50 mm (1.97 inch) |
