The KCG2.5-30L1J19 is a left-hand lead bronze worm wheel in the KCG series, with a module of 2.5, 30 teeth, and 1 start. It has a bore of 12 mm, a pitch diameter of 75.17 mm, an outside diameter of 80 mm, and a face width of 22 mm. The material is CAC502, with a sand cast finish and KHK W 002 grade 4 precision. At 300 rpm, the allowable torque is 18.0 N·m, with backlash between 0.13 and 0.31 mm, and a weight of 0.70 kg. The J-series variant includes a 5 x 2.3 mm keyway, M4 set screw, and 56 mm total length. Available as an on-request item with a 5-day lead time.
Module 2.5, 30 Tooth, 1 Start, Left Handed Cast Iron Worm Gear with 19mm 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 | KCG2.5-30L1J19 | KCG2.5-30L1J19 |
| Product Name | Left Hand Lead Worm Gears (metric) | Module 2.5, 30 Tooth, 1 Start, Left Handed Cast Iron Worm Gear with 19mm Finished Bore |
| Number of Teeth | 30 | 30 |
| Design | Metric | |
| Pressure Angle | 20° | 20° |
| Mounting | Keyway; Set Screw | Keyway |
| PD | 75 mm (2.95 inch) | 75 mm (2.95 inch) |
