Easy Q - wiring/connectors to buy for driver, motors etc.

[John86]

I am ordering parts to put together a CNC machine...

I plan on going with the MASSO (link below) and a 4 axis NEMA 34 motor, power supply and driver kit.
I will follow the directions for wiring instructions BUT

Here is the question....

***How do I decide which wiring to buy and which connectors?***

Masso: https://www.masso.com.au/product/mil...controller-g3/
NEMA 34 Kit: 4 Axis CNC Kit 1841oz.in Nema 34 Stepper Motor 5A 86x150mm & Stepper Driver 705701863663 | eBay

I am always interested in other perspectives on if I'm heading in the right direction with the stuff I am buying. Purchased a 3x5 CNC from CNC router parts. Its up to me for all the electronics etc. Just for hobby. Still looking at spindles.

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[ger21]

The link to the motors is bad.

[John86]

The link to the motors is bad.

Right. I don't get it but thats ok. I'll figure it out.

[ger21]

I mean the link doesn't work. I can't comment on the motors if I don't know what they are.

Okay, it looks like this kit?
https://www.ebay.com/itm/4-Axis-CNC-...-/333450858092


Do NOT buy this kit. Small Nema 23 motors would easily outperform these large motors. Bigger is NOT better.

What you want is a stepper in the 650oz-in range, rated at 6 amps and an inductance rating around 2mH, and run them at 60V-70V. And good drives like Leadshine EM806's.

Those cheap ebay kits with huge motors are complete garbage.

[John86]

Thank you! I think I can still cancel my order. Thats what I needed... a point in the right direction. I imagine closed loop would be best? Even if it is just for hobby it will lead to less errors on large projects?

[ger21]

I'm not a fan of closed loop steppers.
A properly setup open loop system should be 100% accurate.