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Now that I have my dividing head working pretty well, I'm moving on to the small rotary table. This one only has a 3" chuck and is used almost exclusively for drilling... It's not really heavy enough duty for rotary milling. But, since I have 4 of these stepper motors, I thought why not go ahead and mount one on there. I've also modified my Arduino program so I can use it for either device. I added an option to select which tool I'm using it with.
The combination of 200 steps with the stepper and 72:1 with the rotary table gives me a resolution of 14,400 steps per revolution. That should be more than enough precision.
Notice the low tech use of hardwood space between the stepper and the mounting plate. I'm also going to mount a guard along the top to keep swarf out of the timing belt and pulleys. I also need to run to Frye's Electronics this afternoon and get some more Molex connector kits for the motor.
Chuck
The combination of 200 steps with the stepper and 72:1 with the rotary table gives me a resolution of 14,400 steps per revolution. That should be more than enough precision.
Notice the low tech use of hardwood space between the stepper and the mounting plate. I'm also going to mount a guard along the top to keep swarf out of the timing belt and pulleys. I also need to run to Frye's Electronics this afternoon and get some more Molex connector kits for the motor.
Chuck
