The high torque on the gears comes from the stopping distance requirement.
I looked already at belt, but the size would never fit in the design.
The gears are made of Hardenned 1045 for the bearing, and 4340 for the pinion.
I forgot to precise yesterday that we have a 1:8 ratio.
Thanks,
David.
I am working on a design for the medical industry, requiring low backlash in my set-up (below 6arcmin).
At this point, the part is rotating on a slewing bearing, with external teeth, 4.5 Module. A pinion cut on the output shaft of a worm gearbox make the rotation possible... but the backlash is...