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  1. #1
    Redz's Avatar
    Lives in Plymouth, United Kingdom. Last Activity: 24-01-2021 Has been a member for 0-1 years. Has a total post count of 3.
    Any recommendations for cnc lathes that will be good at turning tungsten darts?

  2. #2
    JAZZCNC's Avatar
    Lives in wakefield, United Kingdom. Last Activity: 19 Hours Ago 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 7,842. Received thanks 1,361 times, giving thanks to others 89 times. Referred 1 members to the community.
    Tungsten isn't a very easy material to turn I believe and will require a good lathe with correct tooling/inserts. I think most tungsten is ground rather than turned.? But I'm not a lathe guy so could be wrong.!

    But if you are wanting something more than a hobby machine I do have the perfect machine that will do this standing on its head.
    It's a BIG Tarex Burger twin ATC turret lathe with hydraulic Collet chuck, Fanuc 11T controller, and Fanuc AC Red top servos, it's a serious bit of kit that is the size of a small car but it's your for £2k.
    -use common sense, if you lack it, there is no software to help that.

  3. #3
    Quote Originally Posted by Redz View Post
    Any recommendations for cnc lathes that will be good at turning tungsten darts?
    Is tungsten not sintered in a mould and ground? There are some examples of turning on youtube using cbn tips.
    Last edited by Colin Barron; 22-01-2021 at 12:04 AM.

  4. #4
    Are they "Tungsten" or "Tungsten carbide"

  5. #5
    Quote Originally Posted by johnsattuk View Post
    Are they "Tungsten" or "Tungsten carbide"
    Normally tungsten carbide is fitted to wear surfaces by brazing and then ground flat or square.

  6. #6
    Have some past experience of "Tungsten carbide" dart manufacture, still have some somewhere.
    They were pressed blanks, shaped drilled etc and then sintered

    Tungsten carbide - high density - smaller barell

  7. #7
    Would copper tungsten be a better material to use? The high tungsten variants have similar density to tungsten carbide (WC !) and I'm told it's a lot more machineable.

  8. #8
    High quality Tungsten darts have a body in metal alloy with up to 97.5% tungsten, not Tungsten Carbide in a sintered substrate, tungsten metal has a significantly higher density than tungsten carbide in a sintered substrate.
    You think that's too expensive? You're not a Model Engineer are you? :D

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