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  1. #1
    Max's Little Robot Shop - NeRP - Neighborhood Roving Platform

    Looks like a great resource and one hell of a moulder
    CNC routing and prototyping services www.cncscotland.co.uk

    ADD ME ON FACEBOOKS

  2. The Following User Says Thank You to gavztheouch For This Useful Post:


  3. #2
    Quote Originally Posted by gavztheouch View Post
    Max's Little Robot Shop - NeRP - Neighborhood Roving Platform

    Looks like a great resource and one hell of a moulder
    Max's Little Robot Shop - NeRP - Neighborhood Roving Platform

    above link is a walk through on making a mold tool.
    CNC routing and prototyping services www.cncscotland.co.uk

    ADD ME ON FACEBOOKS

  4. #3
    Such fun (smily face) excellent web find (big thumbs up)

    Interesting use of springs to withdraw the ejectors, wonder why. I had the notion that you used the ejector ram to pull the ejectors nearly back, so they could not possibly touch the opposite mould plate, then used extra pins to connect that plate to the ejector plate and finish the job (perplexed smily)

  5. #4
    m_c's Avatar
    Lives in East Lothian, United Kingdom. Last Activity: 3 Days 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 2,908. Received thanks 360 times, giving thanks to others 8 times.
    I always thought they used springs to retract the ejector pins?
    The ejector pins don't touch the opposite mould plate, that's the core pins that touch it.

  6. #5
    m_c's Avatar
    Lives in East Lothian, United Kingdom. Last Activity: 3 Days 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 2,908. Received thanks 360 times, giving thanks to others 8 times.
    Has anybody checked out the Injection Moulding machine pages?
    Home Injection Molding

    It's a bit...erm...elaborate.
    Kudos to the guy for doing it, but the machine does seem overly engineered!

  7. #6
    Quote Originally Posted by m_c View Post
    I always thought they used springs to retract the ejector pins?
    The ejector pins don't touch the opposite mould plate, that's the core pins that touch it.

    Don't take me as some kind of expert for Gawd's sake (look of horror smiley)

    I have done lots of reading about making moulds but I have never seen springs used before.

    Is it possible his ejection mechanism can only push? (bewildered smily)

  8. #7
    mekanik's Avatar
    Lives in Barrow in Furness, United Kingdom. Last Activity: 19 Hours Ago Has been a member for 9-10 years. Has a total post count of 786. Received thanks 96 times, giving thanks to others 176 times.
    Hi Robin
    Going from the worksmanship and design of some of this guys kit i would think he comes from a heavy engineering(MIL Spec) type background. My mate used to make die4s for an Electrical Component Factory and i am sure he has mentioned ejector springs when he has talked about it.
    Will ask him in the morning(if i remember)
    Mike

  9. #8
    Check out his gallery page, guy is hardcore on everything.

    .Me
    .Me

  10. I think, springs are not used to eject any product.

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