A 1T 6-Y483004 is a 48-pitch molded worm gear with 30 teeth, made of acetal, and featuring a brass insert. It has a pitch diameter of 0.625 inch, an outer diameter of 0.667 inch, and a bore size of 0.1250 inch with a #2-56 sub-drill. The face width is 3/16 inch, and the hub diameter is 3/8 inch. The gear is designed to mesh with standard steel or brass worms at a 90-degree angle and has a 20-degree pressure angle.
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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| Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|
| Product Category | Gears |
| Product Number | A 1T 6-Y483004 |
| Product Name | 15:1 Gear Ratio, 30 Teeth, Worm Gear |
| Gear Type | Rack |
| Number of Teeth | 30 |
| Pressure Angle | 20° |
