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Old 10-11-2011, 08:03 PM
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Red face s&f + DOC for a .010 endmill

just checking to see what you all that have done this your whole life think

For DOC I'm thinking .005 Feed rate @ 1in/min s. speed @ 4500 rpm .
to fast , yes / no ?
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Old 10-11-2011, 08:57 PM
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Default Re: s&f + DOC for a .010 endmill

was any of that english????
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Old 10-11-2011, 09:00 PM
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Default Re: s&f + DOC for a .010 endmill

OK so ya need a legend

S&F = speeds and feeds
DOC = depth of cut
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Old 10-11-2011, 09:04 PM
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Default Re: s&f + DOC for a .010 endmill

thanks -- now I know what I don't know
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Old 10-11-2011, 09:13 PM
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Default Re: s&f + DOC for a .010 endmill

Greatly depends on the endmill. If its a short stubby and well supported you're probably on the slow side. I've played with some small bits before and even my 10k rpm spindle is too slow
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Old 10-11-2011, 09:30 PM
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Default Re: s&f + DOC for a .010 endmill

it's from Frank Mari .010 dia 2 flute sqr Miniature Carbide Finisher .03 L.O.C I broke 1 just putting it in the collet droped out of my clumsy hands
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Old 10-11-2011, 09:38 PM
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Default Re: s&f + DOC for a .010 endmill

Been there done that. Just hold them the wrong way and they break.

I've gotten some small mills from Harvey tool, seem to have a failry large selection and you can get the minimum length of cut that you need to get the strongest possible. Mari has good stuff too.

Whats you're Axial engagement? if that is tiny, can probably up the DOC a bit
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Old 10-11-2011, 09:38 PM
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Default Re: s&f + DOC for a .010 endmill

Coolant or dry and what material? DOC and s&f don't sound to bad.
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Old 10-11-2011, 09:43 PM
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Default Re: s&f + DOC for a .010 endmill

Quote:
Originally Posted by tc1cat View Post
Coolant or dry and what material? DOC and s&f don't sound to bad.
Lynn , coolant , 6061-T65 alu

I'm just trying to get over the braking phobia

Jeff I got a little ingraving to do on the haul truck hubs If it take 3 hrs while I'm doing something else , I don't care
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Old 10-11-2011, 10:43 PM
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Default Re: s&f + DOC for a .010 endmill

I run 90deg single flute engravers with .005 tip to depth of .010" to .015" at 10k rpm and 15ipm feed, 30ipm plunge in 6061 if that helps at all
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Old 10-12-2011, 09:35 AM
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Default Re: s&f + DOC for a .010 endmill

thanks Jeff & lynn I'm going to give this a try
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Old 10-12-2011, 07:50 PM
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Default Re: s&f + DOC for a .010 endmill

well you tell me

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Old 10-12-2011, 08:52 PM
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Default Re: s&f + DOC for a .010 endmill

Looks sharp
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