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Anonymous Poster

my question?

08/14/2008 9:14 PM

why we are doing negetive gashing on endmill?

what is difference between stub length and jobber length drill?

what is difference between 2 flute and 5 flute emdmill? and where do we use it ?
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bob c
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#1

Re: my question?

08/14/2008 10:16 PM

There was a recent thread that covered your questions better than I ever could.

http://cr4.globalspec.com/thread/25150/Taps-2-vs-4-flute-spiral-vs-straight-flute

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markar
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#2

Re: my question?

08/15/2008 5:40 PM

Get a copy of Modern Machine Shop's "Handbook for the Metalworking Industries" and the latest "Machinery's Handbook".

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Anonymous Poster
#3

Re: my question?

11/10/2008 3:27 PM

I can't answer all of your questions, but the jobbers length and stub length questions may possibly be answered at this link for you:

http://www.multi-drill.com/multi-spindle-head-tooling-info.htm

There is also some great info there on conservative speed and feed rates for standard HSS tooling and more.

AutoDrill
50 Division Avenue
Millington, NJ 07946
Ph: 800-871-5022
Fax: 908-542-0242
www.AutoDrill.com
www.Multi-Drill.com
Sales@AutoDrill.com
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