A central gear in planetary gear systems that meshes with planet gears to transmit torque and reduce speed.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Module | 1.5-5 mm | |
| Backlash | 0.05-0.15 mm | |
| Hardness | 58-62 HRC | |
| Face Width | 10-50 mm | |
| Accuracy Grade | ISO 1328 Class 6-8 | |
| Pressure Angle | 20° | |
| Number Of Teeth | 15-40 |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
Mechanical components that reduce rotational speed while increasing torque in robotic systems.
A compact, high-torque gear arrangement consisting of central sun gear, multiple planet gears, and outer ring gear.
A compact, high-torque gear reduction mechanism that transmits and reduces rotational speed within a slewing unit.
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The sun gear transmits rotational motion to the planet gears in a planetary system, enabling torque multiplication and speed reduction in a compact design.
A sun gear is designed specifically for planetary configurations, meshing with multiple planet gears simultaneously, whereas a standard spur gear typically engages with a single gear. This allows for higher load capacity and efficiency in confined spaces.
Alloy steels like AISI 4140 or 4340 are most common, often heat-treated for hardness. Stainless steel or bronze may be used for specialized applications requiring corrosion resistance or reduced noise.
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