The KCG2.5-20R1J16 is a right-hand lead bronze worm wheel in the KCG Series, with a module of 2.5, 20 teeth, 2 starts, a helix angle of 7°46', and a 16 mm finished bore. It has a hub diameter of 40 mm, pitch diameter of 50.46 mm, outside diameter of 57.5 mm, and face width of 22 mm. The worm wheel is made of CAC502 material, matches KHK W 002 grade 4 precision, and has a backlash of 0.13~0.31 mm. The assembly includes a keyway of 5 mm width and 2.3 mm depth conforming to JIS B1301 Js9 tolerance, and weighs 0.37 kg. This variant is a J-Series available-on-request
Module 2.5, 20 Tooth, 1 Start, Right Handed Cast Iron Worm Gear with 16mm 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 | KCG2.5-20R1J16 | KCG2.5-20R1J16 |
| Product Name | Right Hand Lead Worm Gears (metric) | Module 2.5, 20 Tooth, 1 Start, Right Handed Cast Iron Worm Gear with 16mm Finished Bore |
| Number of Teeth | 20 | 20 |
| Design | Metric | |
| Pressure Angle | 20° | 20° |
| Mounting | Keyway; Set Screw | Keyway |
| PD | 50 mm (1.97 inch) | 50 mm (1.97 inch) |
