KCG2-30R2J12 is a right-hand lead, 2-start, cast iron worm gear with a 12 mm bore, module 2, and 30 teeth, designed for use with matching worms. It has a hub width of 13 mm, overall length of 35 mm, mounting distance of 45.5 mm, and a maximum allowable torque of 9.96 N·m at 300 rpm. Backlash ranges from 0.10 to 0.28 mm, and the weight is 0.57 kg. The gear features standard full-depth teeth with a 14° 30' pressure angle and is manufactured from FC200 gray iron. Keyway dimensions are not specified for the J-series variant but follow JIS B1301 standards. Serial J variants are available-on-request
Module 2, 30 Tooth, 2 Start, Right Handed Cast Iron Worm Gear with 12mm 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 | KCG2-30R2J12 | KCG2-30R2J12 |
| Product Name | Right Hand Lead Worm Gears (metric) | Module 2, 30 Tooth, 2 Start, Right Handed Cast Iron Worm Gear with 12mm Finished Bore |
| Number of Teeth | 30 | 30 |
| Design | Metric | |
| Pressure Angle | 20° | 14.5° |
| Mounting | Keyway; Set Screw | Keyway |
| PD | 60 mm (2.36 inch) | 60 mm (2.36 inch) |
