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Disc drilling (Read 167 times)
Armen
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Re: Disc drilling
Reply #15 - 08/09/16 at 07:18:39
 
Nice work Dave.
The only time I tried to drill a disc on a drill press (in the 80's) I gave up after cooking a bunch of drill bits. Stainless does a lousy job of transferring heat and work hardens real fast.
I drilled a disc a while ago and did 300+ holes with one drill bit. The joys of a CNC with a flood coolant system  Wink
-Armen
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SavageMan99
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Re: Disc drilling
Reply #16 - 08/09/16 at 11:54:56
 
Put it on a rotary table, Chuck an end mill up and cut a 360 slot in the center... Shocked
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Re: Disc drilling
Reply #17 - 08/09/16 at 12:18:26
 
Armen wrote on 08/09/16 at 07:18:39:
Nice work Dave.
The only time I tried to drill a disc on a drill press (in the 80's) I gave up after cooking a bunch of drill bits. Stainless does a lousy job of transferring heat and work hardens real fast.
I drilled a disc a while ago and did 300+ holes with one drill bit. The joys of a CNC with a flood coolant system  Wink
-Armen


I wish we had stainless.
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Armen
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Re: Disc drilling
Reply #18 - 08/09/16 at 15:14:52
 
?
I've never seen an OEM Japanese brake disc that isn't stainless.
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Re: Disc drilling
Reply #19 - 08/09/16 at 15:19:39
 
Armen wrote on 08/09/16 at 15:14:52:
?
I've never seen an OEM Japanese brake disc that isn't stainless.

I don't really consider 400 series stainless.
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Armen
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Re: Disc drilling
Reply #20 - 08/09/16 at 15:27:53
 
Well, that is what they call the stuff  Wink
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