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Old 05-13-2002, 07:27 AM   #1
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Default How to tell when diamond bit is chipped?

How can you tell when a diamond bit is chipped? What would be the symptoms on the comm being cut?
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Old 05-13-2002, 08:16 AM   #2
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Default Re: How to tell when diamond bit is chipped?

Quote:
Originally posted by Addict sa RC
How can you tell when a diamond bit is chipped? What would be the symptoms on the comm being cut?
When my Hudy bit chipped (my fault...I wasn't paying attention and dug it into the windings tab!!), the metal being cutoff did not come off in tiny 'bits' instead I got a 'flake' of comm comming off. Looked a bit like a sweet wrapper!!

To check, just use a magnifying glass and look on the 'shiny' side of the tip....it will be obvious if it is chipped because the edge will not be smooth!!
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Old 05-13-2002, 08:23 AM   #3
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Well the tears running down your face as you realize what you have done to that extremely expensive bit, could be a symtom!
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Old 05-13-2002, 08:31 AM   #4
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Quote:
Originally posted by Darkseid
Well the tears running down your face as you realize what you have done to that extremely expensive bit, could be a symtom!
haha...thats one way of putting it......I screwed up mine in a real stupid way. Was cutting a few comms. Set the stops on the first comm, finished. Put the second comm in.....was watching TV forgot to set the stops.... watching TV and then OUCH!!!!!!! bye bye cutter!!!!!!!

I now NEVER watch TV when cutting comms!!!!
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Old 05-13-2002, 10:27 AM   #5
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dtm, thanks. I'll be checking it tonight to see. Much like what happened to you my attention wasn't fully on the task when all of a sudden the arm stopped dead in its tracks because the bit caught on the windings tab

Darkdeid, hehehe.
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Old 05-13-2002, 11:03 AM   #6
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You can send them in to cobra and they will fix it if possible for $25.00.

Been there done that.
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Old 05-13-2002, 11:06 AM   #7
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Its good to know that theres a possible option other than replacing it. I hope you can get yours fixed.
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Old 05-14-2002, 01:10 AM   #8
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Ok. I checked the bit with a magnifying glass and there is no visible indication that it's chipped. The cutting edge is still smooth and sharp . Whew. I guess I'm a little lucky.
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Old 05-14-2002, 03:40 AM   #9
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Quote:
Originally posted by Addict sa RC
Ok. I checked the bit with a magnifying glass and there is no visible indication that it's chipped. The cutting edge is still smooth and sharp . Whew. I guess I'm a little lucky.
You are indeed lucky!!!
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Old 05-14-2002, 11:46 PM   #10
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addict sa RC: do you know where i can get diamond bits, other than the lhs? right now im using carbide bits that i buy from a hardware store. theyre very inexpensive. thanks for any info
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Old 05-15-2002, 05:45 AM   #11
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marvi, I think the lhs has a diamond bit but it's for the Trinity Tru Lathe. Bring your lathe and ask Mang if that bit would fit your lathe. As for me, I have the Xipp Super Lathe and I bought the diamond bit right off the bat from Integy.
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Old 05-15-2002, 06:33 PM   #12
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thanks i have a cobra lathe that came with a carbide bit. had i known that they have one that comes with a diamond bit for a few $$ more, i wouldve bought that
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Old 05-15-2002, 08:29 PM   #13
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Default other source of bits

you can get diamond bits from

http://www.mcmaster.com/

for pretty cheap
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