KCG2-40L1 is a left-hand lead, 40-tooth, single-start worm wheel made of gray iron, designed for use with a module 2 worm gear. It has a 12 mm bore, 45 mm hub diameter, 80.17 mm pitch diameter, 84 mm throat diameter, 86 mm outside diameter, and 22 mm face width. The worm wheel has a normal pressure angle of 14° 30', standard full-depth teeth, and a precision grade of KHK W 002 grade 4. It has a mounting distance of 55.5 mm, allowable torque ratings ranging from 26.7 N·m at 30 rpm to 12.3 N·m at 1200 rpm, a backlash of 0.10-0.28 mm, and a weight of 0.96 kg.
Module 2, 40 Tooth, 1 Start, Left 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 | KCG2-40L1 | KCG2-40L1 |
| Product Name | Left Hand Lead Worm Gears (metric) | Module 2, 40 Tooth, 1 Start, Left Handed Cast Iron Worm Gear with Plain Bore |
| Number of Teeth | 40 | 40 |
| Design | Metric | |
| Pressure Angle | 20° | 14.5° |
| PD | 80 mm (3.15 inch) | 80 mm (3.15 inch) |
