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You do need an earth in your garage you will need to hammer an earth rod in the ground and connect it to and RCD type consumer unit this will then trip at 30mA and give you protection. An electrician...

Personally, I wouldn't bother. I doubt that your power supply is accurate to that level anyway, and it wouldn't make much difference if it were. It takes a bit of mind-adjustment but with these kinds...

the optimum bolt size is the one that gives sufficient thread. generally you need at least 3 threads. so M6 x 1 will just give you 3, M8 x 1.25 will only give 2, so M6 but you'll need more of them to...

You're looking at things the wrong way round. Design the gantry to be as strong as you need, then get motors to suit. If the gantry ends up too weak due to lightening it to suit particularly motors,...

Ok I'll take pic for you tomorrow.

The ratio works other way around. The driver is always expressed before the driven. So in this case the motor turns 2 revolutions while the screw turns 1...

Just a mute point when talking about X and Y axis most people on here refer to the X axis as the longer axis (generally) quite often with two screws and the gantry as the Y axis, if you keep to that...

No not Stupid question at all.! . . . Digital drives are newer breed of drive that use advanced alogrithams and techniques for working which results in better smoother performance. Older drives used...

ivars211

I'm not knowledgeable enough on the electronics side to recommend anything but this is a popular digital driver for background reading:
AM882 Digital microstepping driver with stall...

If you want to mainly cut aluminium on this machine then you really need twin ballscrews on your Y axis (X in my world). Even with using steel the gantry will still rack when cutting aluminium or...

Better, but still a bad choice - go with Irving's advice. e.g these

Whilst it is good to have a large spacing between the linear bearings for better stiffness, you need to consider the 'aspect...

I buy most of my tooling from cutwell tools but I'll buy from Ebay when I see quality cutters come along at right price. Buying cheap cutters is false economy in long run because if they snap the...

People too often confuse torque and power. They are related by a simple formula, but represent completely different things. Power is torque times speed (if you use the correct units).

With the...

No they won't drill paper at 1000rpm and 5000Rpm is about the lowest usable speed and even then they don't drill very well.

I'm cutting and drilling Ali all the time with same spindle and...

A Tutorial on motor torque calculations

A question oft asked on MYCNCUK is "how big a motor do I need?". There is no simple answer to this, and the options are usually:
a) follow someone elses...