Sun Gear vs. Planet Gear vs. Ring Gear
The sun gear, planet gear and ring gear share the same planetary mesh but have different roles and manufacturing features.
Sun gear
The central external gear. It often carries a shaft or spline interface and may see high rotational speed.
Planet gear
External gears mounted on the carrier. Multiple planets divide load, so tooth geometry and carrier accuracy affect load sharing.
Ring gear
The internal gear surrounding the planets. Internal tooth geometry and concentricity must match the same planetary center-distance relationship.
Use the drawing as the controlled record
A technical guide can explain which variables matter, but the final sun gear must be approved from the actual drawing and operating requirement.
If a value is missing, identify it for confirmation instead of copying a dimension or material from a different supplier or gear family.
RFQ checklist
Send the sun gear drawing or measured tooth data, mating planet/ring information, interface dimensions, material/process requirements, duty, quantity and destination.
ขอใบเสนอราคา / ส่ง RFQ
Send the drawing, tooth data, mating-component information, duty and quantity. We will review the interface before quotation.
