Hello All
I converted my Bridgeport clone to cnc about a year ago. My Z axis was by powering the quil. I decided to remove the stepper motor from the quil and power the knee. Here's where my problem comes in. My Z motor was 640 in/oz and geared 3 to 1 on a 5 turn per inch ballscrew. I built a new motor mount for the knee, and for grins and giggles I put the 640 in/oz motor on the knee. To my surprise it drove the knee pretty well but could only get 30 units a minute out of it. I decided ti order a new motor and some different pulleys to see if I could get more units per minute out of it. I got a 1800 in/oz motor and enough pulleys to gear it anywhere from 1to 1 up to 3 to 1. I mounted the new motor and tested it, but can only get 30 units a minute out of it, no mater what combo of pulleys I use. I forgot to add I am using Mach3 to control it. Am I running out of pulses or anyone have any idea what is limiting me?
Thanks Barry