KAGDL3-20R1 is a duplex worm wheel with a nominal module of 3, 20 teeth, and a right-hand helix angle of 3°54'. It has a bore diameter of 20 mm, hub diameter of 50 mm, pitch diameter of 60 mm, throat diameter of 66 mm, outside diameter of 69 mm, face width of 28 mm, and hub width of 17 mm. The gear is made from CAC702 aluminum bronze with no heat treatment, and it has a maximum allowable backlash of 0±0.045 mm. The total length is 52 mm, and it weighs 0.81 kg. The wheel is rated for allowable torque up to 65.0 N·m at 30 rpm under standard conditions.
Module 3, 20 Tooth, 1 Start, Right Handed Aluminum Bronze Duplex 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 | KAGDL3-20R1 | KAGDL3-20R1 |
| Product Name | Right Hand Lead Worm Gears (metric) | Module 3, 20 Tooth, 1 Start, Right Handed Aluminum Bronze Duplex Worm Gear with Plain Bore |
| Number of Teeth | 20 | 20 |
| Design | Metric | |
| Pressure Angle | 20° | 17.5 ° |
| PD | 60 mm (2.36 inch) | 60 mm (2.36 inch) |
