KCG2.5-40R1 is a right-hand lead bronze worm wheel with a 2.5 mm module, 40 teeth, and one thread start, designed for use with steel worms. It has a bore diameter of 15 mm, a hub diameter of 45 mm, a pitch diameter of 100.23 mm, a throat diameter of 105 mm, an outside diameter of 107.5 mm, and a face width of 22 mm. The gear operates with a 3°52' helix angle and complies with KHK W 002 grade 4 precision standards. The allowable torque at 30 rpm is 46.7 N·m, decreasing to 21.2 N·m at 1200 rpm, with a backlash range of 0.13 to 0.31 mm and a weight of 1.02 kg. The material is CAC502 (formerly JIS PBC2), with no heat treatment applied.
Module 2.5, 40 Tooth, 1 Start, Right Handed Cast Iron Worm Gear with Plain 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 | KCG2.5-40R1 | KCG2.5-40R1 |
| Product Name | Right Hand Lead Worm Gears (metric) | Module 2.5, 40 Tooth, 1 Start, Right Handed Cast Iron Worm Gear with Plain Bore |
| Number of Teeth | 40 | 40 |
| Design | Metric | |
| Pressure Angle | 20° | 20° |
| PD | 100 mm (3.94 inch) | 100 mm (3.94 inch) |
