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  1. 10-01-2018 #4
    magicniner's Avatar
    Lives in Rotherham, United Kingdom.
    magicniner
    Last Activity: 05-05-2024 Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 2,021. Received thanks 230 times, giving thanks to others 42 times.
    Quote Originally Posted by magicniner View Post
    What calculators are you using and are you sure that the calculators are giving you mm/sec?
    There is some very simple maths you can apply to sense check the cutting data you have quoted.

    42mm/sec = 2520mm/minute
    Your cutter has one flute and rotates at 15000rpm,
    Divide mm/minute by (rpm X flute count) to get chip load, the amount each flute will have to cut through.
    So
    2520mm/15000 = .17mm chip load on that tooth = Ping! Next cutter please ;-)
    Ballpark for your job will probably have 2 zeros after the decimal point.

    Click image for larger version.  Name: HSMA1mm1FlAlSlot0 copy.jpg  Views: 274  Size: 148.8 KB  ID: 23576

    - Nick
    Last edited by magicniner; 10-01-2018 at 02:17 PM. Reason: Screenshot added
    You think that's too expensive? You're not a Model Engineer are you? :D
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