Robot joints and actuation
99.5:1 planetary reduction trades motor speed for torque at a joint or drive, through a 8 mm output shaft.
Engineering inference
goBILDA
goBILDA 5103-series 3-stage planetary gearbox, 99.5:1 (exactly 99.51:1), steel gears, sold as the replacement gearbox for 5203 Yellow Jacket motors: Ø36 mm × 50.3 mm body, 8 mm REX output shaft 23.5 mm long, M4 goBILDA pattern on the face, 237 g. No torque or backlash rating is published.
5103-0024-0100Development boardFacts about the complete product. Unknown values remain open design questions.
Guidance to help you shortlist. The basis is shown for each recommendation.
99.5:1 planetary reduction trades motor speed for torque at a joint or drive, through a 8 mm output shaft.
Engineering inferenceNo-load speed, rated performance and stall limits describe different operating points. A stall specification is not a continuous operating rating.
From $34.99 at www.gobilda.com. Prices are observed unit prices before tax and shipping.
36 × 36 × 50.3 mm. A STEP model is available for enclosure fit checks.
Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.