Re: [ATM] Another machining question, please

[Tom Conlin <tomc@cs.uoregon.edu>]

not as long as it is not overheated when grinding
so lots of coolant and light cuts

GF wrote:
> Thomas,
> 
> Would the drill need to be re-hardened after grinding?
> 
> Thanks,
> 
> Gary Fuchs
> 
> 
> Thomas Janstrom wrote:
> 
>> Hi Tom,
>>
>> You want to re-grind the drill to a profile that will cut the sort of hole
>> you want, that way the drill can cut the shoulder that you need.
>>
>> And yes, you never quite have all the tools that you need/want/can have,
>> that's where asking comes in, some one will know of a "cheat" to get the job
>> done anyway!
>>
>> Cheers, Thomas.
>>
>> -----Original Message-----
>> From: atm-bounces@atmlist.net [mailto:atm-bounces@atmlist.net] On Behalf Of
>> Thomas A Simmons
>> Sent: Friday, 16 February 2007 11:47 PM
>> To: atm@atmlist.net
>> Subject: Re: [ATM] Another machining question, please
>>
>>
>> and how to modify a drill bit to grind (??) the bottom flat.
>>
>>
>>
>>
>>
>> Evidently, I don't have enough tools (VERY big laugh).
>>
>>
>>
>>
>>
>> Tom
>> Too stubborn to quit being an ATMer
>>
>>
>>
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>>  
>>
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-- 
           ... nice weather     eh          tomc@cs.uoregon.edu
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