The KCG2.5-50L2J25 is a left-hand lead bronze worm wheel in the KCG Series with a module of 2.5, 50 teeth, 2 starts, and a helix angle of 7°46'. It has a bore diameter of 50 mm, hub diameter of 50 mm, pitch diameter of 126.16 mm, outside diameter of 132.5 mm, and face width of 22 mm. The wheel is made of CAC502 material with a sand mold casting finish, and operates with a backlash of 0.13 to 0.31 mm. Weight is 1.46 kg. The J-series variant includes a keyway (5 mm × 2.3 mm) and set screw (M4), with hub width and total length specified for mounting.
Module 2.5, 50 Tooth, 2 Start, Left Handed Cast Iron Worm Gear with 25mm 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 | KCG2.5-50L2J25 | KCG2.5-50L2J25 |
| Product Name | Left Hand Lead Worm Gears (metric) | Module 2.5, 50 Tooth, 2 Start, Left Handed Cast Iron Worm Gear with 25mm Finished Bore |
| Number of Teeth | 50 | 50 |
| Design | Metric | |
| Pressure Angle | 20° | 20° |
| Mounting | Keyway; Set Screw | Keyway |
| PD | 125 mm (4.92 inch) | 125 mm (4.92 inch) |
