Hi everyone-
I have been looking through the past posts, an i can not find the information that I need.
I am in the process of building a cnc plasma cutter, and I have the table and the gantry finished. Now it is time for the rack and pinion. I already have nema 34 planitary 5 to 1 gearboxes.
Ok now for the question. If I want to increase the overall ratio from 5 to 1 to something close to 7 to 1 or even 8 to 1, do I need to use a pinion that is 1 inch in diameter, or bigger/smaller?
I have a Boston Gear book, and the one I am looking at is--
12 diameteral pitch, 1.000 pitch dia. 14.5 pressure angle for the pinion
thanks for the advice
Steve