KSW2-R1J12 is a module 2, 1-start, right-handed steel worm with a 12mm bore, 25mm pitch diameter, 31mm outside diameter, 35mm face width, and 14mm hub width, featuring a keyway of 4mm width by 1.8mm depth and an M4 set screw, weighing 0.20 kg. It has a lead angle of 3°42' and meets KHK W 001 grade 4 precision standards with a tooth hardness of less than 194 HB. The worm is made of S45C material and is not heat treated.
Module 2, 1 Start Mild 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 | KSW2-R1J12 | KSW2-R1J12 |
| Product Name | Commercial & Precision Worms (metric) | Module 2, 1 Start Mild Steel Right Handed Worm with 12mm Finished Bore |
| Design | Metric | |
| Pressure Angle | 20° | 14.5° |
| Material | Steel | Mild Steel / Commercial |
| OD | 35 mm (1.38 inch) | |
| Face Width | 32 mm (1.26 inch) | 32 mm (1.26 inch) |
