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Well I wasn't entirely disagreeing with you.
The emphatic No no no no, certainly stirred up some emotion.? (Big Smile)
But after following this thread of posts I can see now there seems to be a "standard"?
It also seems to follow the mathematical norm.
Now would someone mind telling/informing a few of the would be Autocad users?
However I thought the right hand rule was for electronics only? Lenz's Law?
Or did he borrow the term from the Mathematical community?
Thanks for the correction!
?
John Kiely (IRL)


________________________________
From: cnc sales
To: 7x12minilathe@...
Sent: Thursday, February 7, 2013 9:39 AM
Subject: Re: [7x12minilathe] Re: Axis designations





No, no, no, no !

There are LOTS of excellent reasons never to swap the designations.
For cnc use especially.

There is tool tip compensation, tool wear compensation, css (very very important), feed per rev, and so on, all of which are always based on using std nomenclature for the axis.

There is a very easy way to remember the axis designations.
The lathe is a horizontal mill.
You stand at the TS and look towards the HS.

x is right, y is up, and z is towards you.
(Also known ass Right Hand Rule [follow the thumb]).
If you use other non std axis names, and ever get to use someone eless, anyone elses setup, this can easily come back to bite you.


Might I suggest Gentlemen, that your choice of X,Y,Z axes very much depends on the tools you use and your own personal perspective.

If you use a CAD package it might make more sense to follow?the XY&Z perspective it offers.
If you are a mathematician X would be Horizontal from left to right?Y your Vertical (Up Down) and Z your other horizontal of backwards and forwards.
I think it all comes down to your own personal preference and possibly the tool you use?
Ask any mathematician why they use XY&Z and they will tell you that they are just arbitrary values!
?
John Kiely (IRL)