The relationship of limit switches to home switches.
I am building my first small gantry mill and would like to understand the relationship between the home switches and the limit switches better.
Is there a standard offset in distance between the home and limit switch positions? What is the typical distance?
Is the purpose of the home switch to tell the machine control program to ramp down the feed rate from a rapid return to home and then move to the home position for that axis?
How do I decide where to position the limit switch in relationship to where the axis will crash?
:drowning:
Limit Sw. Vs Home Position Sw.
In a large production environment where CNC's are set up to mill the same part over and over again, the home switch can be used as the ORIGIN position since normally the setup of the machine is a permanent one. A locating pin, etc. is located on the setup origin so the home switch position can be checked or reset to x=0 y=0.
This might not answer your question, but a home position switch is NOT A REQUIREMENT on most hobby machines.
Jerry
Limit and home switch info.
Thank you very much for your help!
I did find exactly what I wanted to know in the MACH2 Mill documentation along with several examples of how to install and implement the use of them.
:p