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I'm not into cutting stone so don't know the speeds and feeds but what I can tell you is you'll need one hell of powerful spindle to cut Stone at 6mtr/min.!!

There's a huge differance between...

Click on 'Basic Uploader' in the bottom right corner, that should work.

Often they stay put but if heavy then yes they can and do drop when powers off.

Hi Ramsbury,

Thanks for your question.

The official intension is that, if you have specific questions regarding a particular aspect of building a new machine, so for example you would like...

Just to illustrate why worrying about the spindle dropping when the motor is powered, on your average CNC router - with a 5mm pitch ballscrew and 1:2 ratio you'd only need 28Nm holding torque to...

First Rack n pinion will be perfectly fine and actually preferred for this length machine.

Your requirements of 0.5mm are very achievable but still the machine will need to be strong and correct...