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Whats the point with a Z bottom limitswitch ?


Eirik Karlsen
 

Last night I was about to decide on where to put the limit switches on
the mill's Z-axis...
the top switch is ok, but how about the bottom switch?
I really can't see any benefit from having this switch.

Here is what I found (many of you will have been her long time ago):
Activate the switch when:
-spindle hits the table
-tool holder hits the table
-tool hits the table

Can't find any of these all that usefull...whatever selection it will be
wrong and useless in other conditions
e.g other tool lengths.

So what do you milling guys do? Do you even fit this switch?

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LAST UPDATED: 23/08/2003
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Regards
Eirik Karlsen

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