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  1. 10-08-2008 #18
    Robin Hewitt's Avatar
    Lives in Seaford, Sussex, United Kingdom.
    Robin Hewitt
    Last Activity: 1 Hour Ago Has a total post count of 1,618. Received thanks 109 times, giving thanks to others 7 times. Is a beta tester for Machinists Network features. Referred 1 members to the community.
    Quote Originally Posted by irving2008 View Post
    I'm surprised you get that much flex.. do you know how much, and is it the tool flexing or the mill? what feed rate etc?
    Everything bends, the trick is to minimalise it :D

    I don't usually post pics of where it goes not so good, but what the heck...

    1: Backlash on a change of direction, looks like a ditch, actually 4 or 5 thou deep

    2: Chatter, an echo from the roughing out, should have changed speed.

    3: Tool flexing, you can see where the tool tip bent inwards and wasn't completely removed by the finishing pass. You know it's the tool becae it gets deeper towards the tip.
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