Once the motor starts to slow down while stopping, the screw will stop whining and spin slightly at the end of the stop. The problem I have is that if I hold the platter mount giving the screw even the slightest bit of resistance, the motor will spin for half a second and then start making a whining/buzzing noise and will just vibrate a bit. When I ran it initially I didn't have the Y axis platter mount secured to anything, so that would just spin with the screw. I was able to get the Y axis screw turning by sending some Y axis commands such as "Y20" or "Y-20". I then installed just the Y axis driver and connected a 12 volt power supply for starters. I was able to get GRBL loaded on to the UNO board fine and connect to it through PUTTY. Here is a pic:ĭid quite a bit of searching over the past week to try and find any information, and I can't seem to find what I need. To start off, one of the issues I have is that I do not know the specs of the motor that I have. So today I decided to do a little bit of testing with the CNC shield and my Y axis drive.
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