Building My First CNC Router, Looking for Advice & Other Info

[AlexDoran]

Made some progress on the electronics enclosure over the weekend, few people have already mentioned about cooling and moving the VFD out, i got some methods to try and reduce EFI and there will be ~4 fans in the case for cooling.





Starting to think about my wiring in general, how would it be best to run my Nema23's in Bipolar Parallel or Series? Considering i have 68v PSU's? Also, can anyone point me in the right direction of the name of the 8 pin twist a lock connectors i see commonly used?

Thanks

Alex

[Desertboy]

Made some progress on the electronics enclosure over the weekend, few people have already mentioned about cooling and moving the VFD out, i got some methods to try and reduce EFI and there will be ~4 fans in the case for cooling.





Starting to think about my wiring in general, how would it be best to run my Nema23's in Bipolar Parallel or Series? Considering i have 68v PSU's? Also, can anyone point me in the right direction of the name of the 8 pin twist a lock connectors i see commonly used?

Thanks

Alex

Nice! Very neat there, I'm going to use a mini tower case for my PSU, steppers drivers & breakout board.

I'm mounting the VFD directly onto the T slot aluminium frame.

[Clive S]

Starting to think about my wiring in general, how would it be best to run my Nema23's in Bipolar Parallel or Series? Considering i have 68v PSU's?

Bipolar Parallel is the way.

[Desertboy]

Bipolar Parallel is the way.

That's actually how I like my women ;)

[Nickhofen]

That's actually how I like my women ;)

What about the 68V ?

[Nickhofen]

Motors has 8 or 4 cables, I miss that.

[AlexDoran]

The motors have 8 cables, is there a way to wire in parallel whilst only trailing 4 core wire back to the driver??

Thanks

Alex

[Neale]

Yes, that's how it's usually done. Bring the 8 wires into some kind of junction box with a four-core cable coming out and going to the control box. You can hard-wire the four-core into the control box or use an appropriate plug and socket. I use XLR latching connectors but there are others. My "junction boxes" are 3D-printed (cheaper than small plastic boxes from Maplin) with choc block inside but as long as the cables are securely joined and protected, use what suits you.

[Desertboy]

http://www.screwfix.com/p/debox-in-l...ctor-box/8692h



From the manual

http://www.leadshine.com/UploadFile/Down/AM882m.pdf

Mine never came with a manual but I bought 2nd hand AM882's.