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By Morten

May 10, 2020, 1:31 pm

To low Feed

Hi

Fswizard, great software.... But.

I have a rule of thumb, newer go lower than fn 0.05mm feed for a fhm end mill.

When I calc matr. a36 44w (St 52-3)

Fhm ø16mm cutter tiAIN z=4

Doc 18mm woc 12mm

Result is speed 175 m/min that's pretty good.

.But then it's say fz 0.037mm

That's mutch to low p.t. We are running with 0.09mm.

The supplyer calc. Toolscout say 0.075mm

What is going on?

Thank you Morten Lerager

Screenshot_20200510_202943_com.beta.fswizard_lite.jpg Screenshot_20200510_202943_com.beta.fswizard_lite.jpg

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Eldar Gerfanov

May 10, 2020, 10:37 pm

Hello,

It looks like you are running a so-called High Performance end mill. It differs from Generic End Mills in that it is material specific (for example steel only) and can be used for heavy roughing operations.

So in such case simply pick the HP/Roughing End Mill tool type (see screenshot).

You can see that the suggested feed is almost for that tool type 0.09mm which is miraculously close to your go-to parameter ;)

16mm HP Endmill Screenshot_2020-05-10-23-31-17.png
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Morten

May 11, 2020, 1:47 am

Hi Eldar

Ohh, I miss that.

I gess there was only on type of End Mill :)

Yes i use Hoffman Group HOLEX Pro Steel 203054 16

witch is as you say a rouff cutter



Thank you very much

https://www.youtube.com/channel/UC4d6Ml2kbsoUyupjs7ZTENQ

https://www.linkedin.com/in/morten-lerager-980a72102/

Holex.JPG Holex.JPG

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