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Old 09-22-2004, 09:38 AM   #1 (permalink)
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Need source for cheap roughing end mills to notch 1/3/4 and 2 tubing

Anyone have any good sources that I can look for roughing end mills that can be used to notch tubing in a lathe? Particulary 1/3/4 and 2 tubing....I have looked in a few places; but, they wanted like 300 plus for their end mills. I hope there is something cheaper...Thanx
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Old 09-22-2004, 09:50 AM   #2 (permalink)
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If I am thinking of the same thing you're talking about.... Camo had a thread with something like this a while back...
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Old 09-22-2004, 10:24 AM   #3 (permalink)
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Enco and MSC usually have some cheap tooling (both quality and price)

Enco: http://www.use-enco.com/CGI/INSRAR?PMSECT=712

MSC: http://www1.mscdirect.com/CGI/NNSRAR?PMSECT=0000000712
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Old 09-22-2004, 11:07 AM   #4 (permalink)
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I have had great luck finding good end mills at Boeing Surplus. At about $5 each it is hard to go wrong. The 2" end mills are easy to find. Unfortunately Boeing doesn't seem to use 1.75" cutters so I keep an eye out for 2"'ers that have been sharpened several times and are now reduced to about 1.75".

I've used my lathe for notching tube and the one thing that I find hard to do is hold the end mill in the chuck. The end mill's shaft is hardened and it walks itself out of the chuck if I try to go too fast. I suppose I should try to find a way to support the other end of the cutter.

TIP: Use a roughing end mill. Those are the ones with the jagged cutting edges. They cut faster and don't generate as much vibration as the others do.

-Jeff
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Old 09-22-2004, 11:54 AM   #5 (permalink)
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Quote:
Originally Posted by YJ_Jeff
TIP: Use a roughing end mill. Those are the ones with the jagged cutting edges. They cut faster and don't generate as much vibration as the others do.

-Jeff
That is exactly what he is looking for.
Search MSC for roughing end mills and you will find a few for 2" and 1-3/4". here are two examples. See pages 387 388 on the online catalog

1-3/4" rougher

2" rougher
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Old 09-22-2004, 01:02 PM   #6 (permalink)
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I want to build my own notching machine using a motor, some pulleys, a roughing end mill and a slide table.

What sort of chuck do I need for those end mills from MSC?

- Eliot -
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Old 09-22-2004, 02:26 PM   #7 (permalink)
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Quote:
Originally Posted by norton
I want to build my own notching machine using a motor, some pulleys, a roughing end mill and a slide table.

What sort of chuck do I need for those end mills from MSC?

- Eliot -
An end mill adapter.

Sorry, couldn't resist. On my 1.5" end mill adapters, it is a piece of steel with a R8 taper on one end (fits into the milling machine). And the hole with set screws on the other end. The 1.5" roughing mill has a 1" diameter shank... which fits into the adapter.

How much tube are you notching in one day? Notching machine would be cool, but never found a need to notch that much tubing (next project will be a tube framed aircraft, so I might change my opion when I start that project!).

Alas.... had everything ready to go for my General Contractor (GC) to start building the shop. Credit Union under writers are in AZ. Stopped the loan as I need a "licensed GC"... doh, in Texas GC's are NOT licensed... just the subs (HVAC, electrical). Finally asked the loan officier just how many home improvement loans they do... ZERO... seems the underwriters never approve them.

Tom
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Old 09-22-2004, 06:17 PM   #8 (permalink)
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Thanx guys. Enco and MSC had exactly what I was looking for on their site..
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