KCG2-50R2 is a right-hand lead, 2-start, 50-tooth gray iron worm gear with a module of 2, 12 mm bore, and a face width of 22 mm. It has a catalog-specified backlash of 0.10~0.28 mm and a weight of 1.01 kg. The gear is designed for use with matching worms, with allowable torques ranging from 40.7 N·m at 30 rpm to 17.8 N·m at 1200 rpm. Precision grade is KHK W 002 grade 4, with standard full-depth teeth and a 14°30' normal pressure angle. The hub width is 13 mm and total length is 35 mm. The gear is not heat-treated and has no specified tooth hardness. Manufacturing is by sand mold casting.
Module 2, 50 Tooth, 2 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 | KCG2-50R2 | KCG2-50R2 |
| Product Name | Right Hand Lead Worm Gears (metric) | Module 2, 50 Tooth, 2 Start, Right Handed Cast Iron Worm Gear with Plain Bore |
| Number of Teeth | 50 | 50 |
| Design | Metric | |
| Pressure Angle | 20° | 14.5° |
| PD | 100 mm (3.94 inch) | 100 mm (3.94 inch) |
