Re: [CAD_CAM_EDM_DRO] Milling HSS

-----Original Message-----
From: Darrell <dgehlsen@...>
To: CAD_CAM_EDM_DRO@egroups.com <CAD_CAM_EDM_DRO@egroups.com>
Date: 08 September 2000 22:12
Subject: Re: [CAD_CAM_EDM_DRO] Milling HSS

IMHO HSS only gets a bit softer from annealing, even a carbide tipped
cutter would struggle.you would have more luck milling annealed tool steel
and hardening after. Isometimes turn the shank of a drill with a carbide tip
at work but have you got a carbide tip mill cutter? You could try annealing
a bit and try a file on it, if you cant mark it its probably too hard to
mill.
Chris Paine UK

>
>It should be annealed first. Then do the milling. Then harden and temper.
>That way you should have no trouble.
>Darrell
>My site is almost all the way back up. http://www.machinemaster.com
>
>----- Original Message -----
>From: "Paul Corner" <Paul.Corner@...>
>To: <CAD_CAM_EDM_DRO@egroups.com>
>Sent: Friday, September 08, 2000 1:04 PM
>Subject: [CAD_CAM_EDM_DRO] Milling HSS
>> Hi All
>>
>> A friend - perhaps that should be spelt fiend - has asked if I can mill
>some
>> cutting tips out of 5% cobolt HSS for a wood turning tool....
>> Without resorting to EDM or grinding, I'm not sure whether this is worth
>> trying. Has anyone on this list tried machining HSS, if so, what feed and
>> speeds, cutter types etc....
>> Loathed to trash an expensive cutter, hence I ask first.
>>
>> Regards, Paul.
>>
>
>
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