Hello
We have to drill 500 ø2,42 holes in 5mm VA plate and we’re fighting drilling and cutting values.
We use titex with the denoted value. Vc8,7 n 1130. We’re not satisfied and try to vary.
Does anyone have a useful tip?
Greetings Horst
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08-11-2009, 10:20 AM #1
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- Oct 2007
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08-11-2009, 11:10 AM #2
- Join Date
- Jul 2008
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- 130
Hello
What is the holding time of the borer?
How is cooling made? And the covering is also interesting.
Greetings
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08-11-2009, 11:39 AM #3
- Join Date
- Oct 2004
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- 1060
Try OSG NEXUS borers. They have very long holding time in high-grade steel.
3250 r/min and 0,05mm feed/min.
And cool well, if possible with 8-10% emulsion.
Greetings
Apple
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08-11-2009, 12:28 PM #4
- Join Date
- Oct 2007
- Posts
- 20
Thanks
We’re now drilling with VHM borer ø2,4 n 3250, f104.
Then with HSS-CO ø2,42, after that n3200, f98. KKS about 8%.
It works great. First plates are ready!
Greetings Horst
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08-11-2009, 01:12 PM #5
Junior Member
- Join Date
- Oct 2003
- Posts
- 130
There’s a borer from Mikron-tool in 1/100 grading.
It’s great in terms of holding time and cutting speed. It’s not really cheap but it’s worth the money.
Greetings
Uwe
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