5/29/2023 0 Comments Mach3 vfd setupTheir schematics typically look like this:įorward/Stop and Reverse/Stop functions are pretty straight forward you control them with relay outputs from your PC. They also all come with some terminals to wire theseĬontrols in remotely. This is someone elses setup, but it demonstrates the principle.ĭrives typically come with a speed control knob and a few start and stop buttons on their front panel. You just need to specify how many surface feet (or meters) per minute you want the tool to see. Mach 3 to vary the speed continuously with diameter. On a lathe you can change the speed for different diameters. What's so cool about spindle speed control? Here's the little 3/4Hp unit that was given to me for the lathe: I picked up this 2Hp motor for AU$70, and it even came with a free pump that sold on Ebay for more than that! :-)Ĭlick the image for a video of the X3 VFD doing it's thing If you're looking to buy, I'd recommend Automation Direct in Australia they have 1Hp drives for about AU$250.Ī 1Hp motor will set you back about AU$100, however I'd be surprised if you can't scrounge one for next to nothing. The proliferation of drives that take single phase in and produce three phase out means that these drives are appearing in more and more Motor and a variable frequency drive are those who don't own one! The only people who say there are better ways to drive a standard spindle than with a 3 phase 3 phase drive interface circuit for Mach 3 E-Mail me if you'd like to know more.
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