KCG2-20L2J14 is a left-hand lead, 2-start, 20-tooth gray iron worm gear with a 12 mm bore, 46 mm outside diameter, 22 mm face width, and 35.5 mm mounting distance. It has a reduction ratio of 10:1, a normal pressure angle of 14°30', and a backlash of 0.10~0.28 mm. The gear is rated for an allowable torque of 4.51 N·m at 300 rpm and weighs 0.27 kg. It complies with KHK W 002 grade 4 precision standards and features a JIS B1301 keyway with Js9 tolerance.
Module 2, 20 Tooth, 2 Start, Left Handed Cast Iron Worm Gear with 14mm 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 | KCG2-20L2J14 | KCG2-20L2J14 |
| Product Name | Left Hand Lead Worm Gears (metric) | Module 2, 20 Tooth, 2 Start, Left Handed Cast Iron Worm Gear with 14mm Finished Bore |
| Number of Teeth | 20 | 20 |
| Design | Metric | |
| Pressure Angle | 20° | 14.5° |
| Mounting | Keyway; Set Screw | Keyway |
| PD | 40 mm (1.57 inch) | 40 mm (1.57 inch) |
