Thread: Cut quality

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  1. #11
    looks like you need to hurry up and sell some stuff... chewing on aluminium cant be good for your teeth..

  2. #12
    The chips aint too bad with a bit of warm milk!
    I really do need to get them sorted out out and sold off. Had them for a while now and havent gotten round to it. Thats what I get for doing non paying jobs I suppose.

  3. #13
    oscar's Avatar
    Lives in Oxford, United Kingdom. Last Activity: 7 Hours Ago Has been a member for 5-6 years. Has a total post count of 57. Received thanks 2 times, giving thanks to others 1 times.
    As others have said, looks like chip recutting.
    Did you run a spring/reflex cut to finish? If not this may help tidy it up a bit, depending how deep the damage at the top is.

  4. #14
    Quote Originally Posted by oscar View Post
    Did you run a spring/reflex cut to finish?
    I have never heard this term before. Is it the same as finish pass? If so then yes it had a 0.2mm finish pass at full depth cut.

  5. #15
    oscar's Avatar
    Lives in Oxford, United Kingdom. Last Activity: 7 Hours Ago Has been a member for 5-6 years. Has a total post count of 57. Received thanks 2 times, giving thanks to others 1 times.
    A spring cut is when you run the cutter around the part again after your finish cut so that the cutter isn't under any load.

  6. #16
    oscar's Avatar
    Lives in Oxford, United Kingdom. Last Activity: 7 Hours Ago Has been a member for 5-6 years. Has a total post count of 57. Received thanks 2 times, giving thanks to others 1 times.
    Silly question, but. What's the flute length of your cutter?

  7. #17
    Have you tried climb milling on your finishing pass? G.

  8. #18
    Oscar the cutter flute length is 27mm.
    Geoffrey I would need to check the file to see how it was milled. Does climb milling improve the surface finish much?

  9. #19
    oscar's Avatar
    Lives in Oxford, United Kingdom. Last Activity: 7 Hours Ago Has been a member for 5-6 years. Has a total post count of 57. Received thanks 2 times, giving thanks to others 1 times.
    Quote Originally Posted by Web Goblin View Post
    Oscar the cutter flute length is 27mm.
    Geoffrey I would need to check the file to see how it was milled. Does climb milling improve the surface finish much?
    That's ok then. It's not the shank rubbing.

  10. #20
    oscar's Avatar
    Lives in Oxford, United Kingdom. Last Activity: 7 Hours Ago Has been a member for 5-6 years. Has a total post count of 57. Received thanks 2 times, giving thanks to others 1 times.
    Quote Originally Posted by Web Goblin View Post
    Does climb milling improve the surface finish much?
    I climb mill on everything, can't remember the last time I didn't. The finish is always good, if everything is set correctly. Also if the cutter does deflect its pushed away from the part, leaving metal safe (nothing a spring cut wont sort out). Rather than conventional milling where the cutter can pull into the job making it undersized.
    Last edited by oscar; 04-02-2013 at 02:23 PM.

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