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+1 on everything Jazz has said.

I've been engraving a bit of brass recently (pics attached below) - and you really do want something that's accurate and robust - particularly squareness and...

Making the assumption you're talking about a 2 phase DC spindle, in theory, the spindle is just a motor - so which way up you connect it would determine which direction it spins. Without more...

Shouldn't need to experiment - everything should be relatively simple. I've drawn a basic diagram to give you an idea. Note that the colours of the wires mean nothing in my drawing, its just whatever...

The ribbon cables you have connected are for the motor. The stepper shield is made for the A4988 stepper drivers, and if you want to replace those drivers with something else then you need to connect...

My understanding of your situation is that you have a CNC shield which is effectively acting as a breakout board for the arduino GPIO pins.

The CNC shield can either have small driver chips...

I built a small CNC and used an Arduino with the CNC shield, it is meant to be used with small daughter boards plugged into it that have the motor drivers on them. If you are using external driver...

That displays a massive lack of CNC experience, a suitable CNC Mill will easily make Aluminium plates of that kind.



I've made branding irons for wood and stamps for steel, this a 10mm wide 01...

as I can not read Chinese either

I would check to see if the fuse is connected to one of the power terminals
if it does as I would expect that will be the Live (hot) terminal

I notice that...

If it is not marked up. Take the fuse out then check with a meter which of the two terminal on the right hand side is connected to the fuse carrier. Connect the one that is connected to the fuse...

I get that, however, as it's often repeated on this forum- not all China cnc are the same. Much of the reputation was for poor electronics was from early controller boards and VFD etc. I was very...

Second (and probably the biggest of the lot)- SHIELDING- or lack of it!

Absolutely nothing is shielded not even the VFD cable!

I started with external cables to Spindle and Stepper motors.
...

you need to use a multimeter ( or a simple battery & bulb continuity tester )to confirm which two wires goes to each motor winding

if you find you have 3 ohms or so between the red & yellow...

Do you own a multimeter?

You just need to match your pairs really then polarity can be trial and error... see this guide here if you need help with how to do it:
...

No simple or easy answer to this because Noise and grounding is black art in it's self. Basicly what you trying to do is provide a path for any stray voltages to reach Ground and not feed back into...

Is this it? All you need to do is link them together.
038046 SAK2.5/35 - WEIDMULLER - TERMINAL BLOCK, DIN, 2.5MM2, 2 | Farnell United Kingdom

Well, I know what I mean but I suspect that the term I've always used for them might be wrong...

I'm looking for a neat way of combining/splitting (depending on your perspective) wires. In the...

I can’t see this being a problem, more so if you use shielded cables. I would try and keep the cable runs as clear as you can; I would maybe look to keep the rack under the cnc with the other stuff...