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‘Milli’ is the standard SI prefix for ’thousandth’* (and it derives from the same latin root ‘mille’ ), but I’ve never hear the plain term ‘mil’ used in relation to any of these

Bob, I certainly agree with O'Flanagan! -- Regards, Charlie New Jersey, USA *ANTHONY’S LAW OF THE WORKSHOP: Any tool, when dropped, will roll into the least accessible corner of the

In USA "mil" was used in electronic circuit board design.? Not really in fashion nowadays, though. Bill

For someone who hadn't touch a machine since, you have quite a few machines in your workshop! Were you just collecting them for a while, and now starting to touch them? :) Immediate stop could be

How about electrical? "Mil" is used all over in electrical... Milliamp = .001A

Mil is a shortened version of ‘mille’ Latin or French for thousand (despite what Wikipedia says it is not English for thousand.) https://en.wikipedia.org/wiki/Thousandth_of_an_inch

I was not an apprentice, though I did take a 1 quarter machine shop class in high school, in 1973. Only place I've ever seen a mil used as measurement in thousandths of an inch is in sheet plastic.

Hi, Richard, I believe that you are correct. If I look in the Oxford English dictionary, it includes *both* meanings of 1/1000 of an inch and 1 mm: mil 1 Pronunciation /mil/

The use of mil is maybe just an American thing then as I certainly never came across it in the UK when we were imperial. Richard

Hi, Richard, With respect, and just FYI... even 65 years ago, my father commonly referred to 0.001 inches as a "mil". I was surprised a few years ago when John Lindo used it in reference to metric

When I was an apprentice many years ago in the UK we worked with imperial measurements. An inch was 1.000" a tenth was 0.100", one hundredth was .010", a thou' was 0.001", and a tenth of a thou was

Yes Richard, The stepper I can disable with the Enable function but I was thinking of a situation where I needed to immediately STOP everything. It's interesting as I have very little actual machine

Why worry about the spindle stopping, I thought that the problem was the use of high torque? motor driving the leadscrew. A limit switch will stop that. Be aware that it is not good policy the have a

Interesting thanks, I only bought the motor because of the sale. I "plan" on having travel stops, but do not know how to get my spindle to fast stop. I use the Consew 3/4 hp brushless stepper

Ralph 12 Nm is a beast if you run it at its rated current. I have one on my mill and managed to shear a drive key using the stepper at full rated current. Fortunately the stepper drive has lower

Gene, I was thinking exactly the same thing! -- Regards, Charlie New Jersey, USA *ANTHONY’S LAW OF THE WORKSHOP: Any tool, when dropped, will roll into the least accessible corner of the

As long as you don't crash :)

Finally started working on my Z drive! Here is where I start: https://photos.app.goo.gl/JLN15TifmzG2PBUv9 Here is my setup on my clausing 8520 mill to mill the slots for the mounting bolts. The

Yes, QA = Queen Anne, and I'm still working on the chairs.... channeling goldilocks in the three bears trying to get two legs to be "just right"... that were finally shaped with files for my friend

Please find it attached. It is written for an Arduino Nano driving an OLED display. It is not terribly clever but it works (with the RELS at least). ATB Richard