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Sub Spindle minor issue

rvb88

Plastic
Joined
Feb 15, 2017
When machining on main spindle, chips fly off and some settle on sub spindle jaws (sometimes), when part transfer happens the chips leave a mark on the part caught in between.

Anyone has any ideas what can be done to avoid that, and avoid dents and scratches?
 
Doesn't your sub spindle have an available air blow attachment? An M-code can activate the air blow during the transfer process.
 
All our Nakamuras have an air blast M-Code on both spindles. Also, you could (if your machine supports it) do a spindle sync and have both spindles spinning say 50 or 100 RPM before you come across and grab your part.
 
If you have a tool that faces the sub spindle, you might be able to turn coolant on to that tool even if it's working on the main spindle at the time and wash it out also.
 
You mentioned nothing about year, make and model of machine. On a lot of machines you have to remove the air blow attachment to work on the sub spindle. It could have had one and someone took it off and did not put it back on.
 








 
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