Hey Guys,
I'm getting ready to buy a G9036. When I do, I'm going to convert it over to CNC right away. This will be my first conversion and I want to make sure all of my ducks are in a row before I start.
According to my calculations, I need to use a stepper motor that is approximately 958 oz for this lathe. So, with a 20% margin, I planning on getting two of NEMA 34 High Torque 1200 oz-in motors. Is there an advantage to stepping up to the 1810 oz-in or should the 1200 be ok?
With me using stepper motors this big, I cannot use the G540, so instead for electronics, I'm planning on going with (2) KL-9082 step drivers, (1) KL-7220 72v power supply, (1) C10 Breakout Board, (1) 5v power supply for breakout board. (This is basically Keling's cnc 3 axis kit less one driver and motor.) Is this a good way to go, or should I be looking for Gecko equivalent? I'm pretty much lost here. This is the first one I have done and I really don't know any pro's or con's about any of theses setups. Should I go with a digital stepper motor driver instead? Also, there were a ton of power supply unit options. Is this the best one for my needs?
On the software side of things, I'm planning on running Mach3 but my question is; do I need lazycam? I don't care about the $75, if I can use it and it will help, great, if not, no point in getting it.
When it comes to ball screws and what not, I'm lost. I noticed a while back, Crevice Reamer retained the factory screws and just adapted the motors to work. Is that a good idea or bad?
If retaining them is ok, why not just hook the motors up to the handles, instead of mounting the Z on the end of the unit?
If retaining them is a bad idea, where is a good place to get them and how large should they be? I'm not impressed by keling's offerings. So, I have been looking elsewhere, but there are a ton of companies that make them and I don't know enough to know good from great or bad from good. Any help here is greatly appreciated.
The information on this site has been extremely helpful and you guys seem very knoweledgeable. So, any insight is really appreciated.
Thanks!


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