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Unread 07-05-2004, 15:28
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Al Skierkiewicz Al Skierkiewicz is offline
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Re: Maximum Depth of Cuts

Quote:
Originally Posted by indieFan
I've been looking to see how to calculate the "depth of cut" for aluminum based on tool size, but have found that there are no formulas for this that can be found on the 'net. (Some online groups have said they simply don't exist.) As a result, I'm left wondering what a good starting point would be for the actual DOC.

For example, if I use a 1/2" 4 flute square end mill, is 0.200" DOC too small or too large of a cut?

Any help or pointers towards help would be appreciated.

indieFan
Indie,
What you are asking about is "feeds and speeds". You can do a deep cut if the material is fed at a slow speed or if the material is soft. Specially designed tools also have recommended speeds and feeds that need to be used to use the tool at it's most efficient or what to avoid that might damage the tool. It is an art for machinists to know how to determine all of the setable parameters on the machine. Check here...
http://www.mmsonline.com/articles/019703.html
http://www.efunda.com/processes/mach...ormation_2.cfm
Here is one for drilling,
http://www.efunda.com/processes/mach...ormation_2.cfm
This site has a freeware calculator, just click on software downloads.
http://www.virtualmachinist.com/

This is a representative chart that might be a good reference. Rememer that coolant also will play a role in machining speeds and feeds. 0.200" DOC does seem a bit deep off the top of my head, though.
http://www.niagaracutter.com/techinf...eed/chart1.gif
Hope this helps,
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Last edited by Al Skierkiewicz : 07-05-2004 at 23:09.
 


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