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Power supplies and Hobbycnc.com
I see the EZ Circuit Board kit at HobbyCNC.com and it looks like a good deal. The listing says, "This system operates @34VDC giving much higher performance over 24VDC 6V 2A rated stepper systems." They also list this:
Triad Magnetics - F-401U - Transformers - Power Products - Allied Electronics
As the recommended power supply, which appears to me to be a 24V system! This seems to be a contradiction. Sure the motors may be able to operate at 34V but if you're only giving them 24V, they're still "thirsty" for more which would cause them to under-perform and possible heat up, right?
I'm looking to build a small CNC router/dremel. 3" or 4" Z-axis, between 10" and 14" for the x-axis and y-axis. I realize that a 130 oz/in motor should be enough.
Also, I see 6 or 4 wire-hook setups depending upon uni-polar or bi-polar. Other than simply saying "performance" can someone explain the difference to me?
I have also seen people talk about DIY controllers. Am I crazy for thinking soldering a controller card doesn't sound like a typical DIY component?
jarod in OKC
The transformer is 24V AC, after rectifying you will have 34V DC (multiply with sqrt(2))
I built the 4 axis pro controller card in an evening, the instructions are easy to follow
"As the recommended power supply, which appears to me to be a 24V system!"
I have built the power supply with the 24v transformer it requires a bridge rectifier to get the 34v output.The EZ package kit has everything except the transformer and case included.More than enough power!!!
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