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Message started by Armen on 08/05/16 at 18:14:19

Title: Disc drilling
Post by Armen on 08/05/16 at 18:14:19

Not much metal in these discs, so I only poked a few holes in.

Title: Re: Disc drilling
Post by Kris01 on 08/05/16 at 18:22:55

Think it will do any good?

Title: Re: Disc drilling
Post by verslagen1 on 08/05/16 at 18:31:02

in between the patterns of three... you need a pattern of 2 so that the whole pad is swept.

I think the holes do a lot of good, since I've had them, I don't have to clean the disc every so often to keep it from squealing.

http://www.savageriders.com/verslagen/Disk/diskx4.jpg

Title: Re: Disc drilling
Post by justin_o_guy2 on 08/05/16 at 19:39:50

What size holes?

Title: Re: Disc drilling
Post by Armen on 08/08/16 at 18:02:08

Verslagen1
Like this?
Almost didn't bother, but I threw the disc back on the jig and wrote an extra few steps on the program.
If I did it again, I'd prob do fewer holes. The disc is pretty minimal.

Title: Re: Disc drilling
Post by justin_o_guy2 on 08/08/16 at 19:27:06


7B646265787F4E7E4E76646823110 wrote:
What size holes?


Title: Re: Disc drilling
Post by zipidachimp on 08/08/16 at 21:49:51

Holes work against friction, less material, but they look cool!  8-)

Title: Re: Disc drilling
Post by justin_o_guy2 on 08/08/16 at 21:57:07

Guys, I'm planning on doing it.. What size holes are you using?

Title: Re: Disc drilling
Post by justin_o_guy2 on 08/08/16 at 21:58:12


5D4E574E4346444F4E4A57270 wrote:
Holes work against friction, less material, but they look cool!  8-)



Dust moves out, air cools, too many is bad..

Title: Re: Disc drilling
Post by verslagen1 on 08/08/16 at 21:58:33

3/16"

Title: Re: Disc drilling
Post by justin_o_guy2 on 08/08/16 at 22:07:28

Thanks,

Title: Re: Disc drilling
Post by KennyG on 08/08/16 at 22:57:30

Armen,

What would you charge to drill a disk for guys on the forum?

Kenny G

Title: Re: Disc drilling
Post by verslagen1 on 08/08/16 at 23:20:44


4A79666E650B0 wrote:
Verslagen1
Like this?
Almost didn't bother, but I threw the disc back on the jig and wrote an extra few steps on the program.
If I did it again, I'd prob do fewer holes. The disc is pretty minimal.

Yep, nice pattern, I may steal it from you.

Title: Re: Disc drilling
Post by Armen on 08/09/16 at 05:21:40

Help yourself Verslagen.
I might go to 8 sets of holes to give a little more metal between the holes. That and rotate the pattern so that the holes aren't near the arms.
I used incrementally larger bits as the holes went toward the perimiter.

Title: Re: Disc drilling
Post by Dave on 08/09/16 at 05:35:01

I don't have a CNC, or anything that would help to get the radial/circular swept pattern done evenly.....so I just used a protractor and my drill press.  I drilled 2 holes in alternating paths.

Your patterns look nicer - this one works and is easier for us amateurs! ;)



Title: Re: Disc drilling
Post by Armen 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  ;)
-Armen

Title: Re: Disc drilling
Post by SavageMan99 on 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... :o

Title: Re: Disc drilling
Post by verslagen1 on 08/09/16 at 12:18:26


00332C242F410 wrote:
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  ;)
-Armen


I wish we had stainless.

Title: Re: Disc drilling
Post by Armen on 08/09/16 at 15:14:52

?
I've never seen an OEM Japanese brake disc that isn't stainless.

Title: Re: Disc drilling
Post by verslagen1 on 08/09/16 at 15:19:39


20130C040F610 wrote:
?
I've never seen an OEM Japanese brake disc that isn't stainless.

I don't really consider 400 series stainless.

Title: Re: Disc drilling
Post by Armen on 08/09/16 at 15:27:53

Well, that is what they call the stuff  ;)

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