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Type: Posts; User: rcoope

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  1. Replies
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    Ox, your response roused me from my torpor! Here...

    Ox, your response roused me from my torpor! Here are some pretty space-age videos if I do say so myself. No wonder they have 700,000 pieces of tooling, it takes a large number of tools to make one...
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    841

    This evolution of the term "cam out" is...

    This evolution of the term "cam out" is technically and linguistically fascinating. Thanks for the find plannerpower, and I tip my hat to the thesis author as a bit of history really helps to bring...
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    This process needs an animated video

    This process needs an animated video
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    2,131

    Naive question here: Can you test thinner parts...

    Naive question here: Can you test thinner parts of the same material to get a feel for the press and die set's actual performance? If you could punch say 3/16 but not 1/4" you'd have some idea you...
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    As an addendum to this for future general...

    As an addendum to this for future general reference, I was watching an NYC CNC video where they have the VM-3 with the older double sided TRT160 (I think it's that size) and indeed they had it turned...
  6. Waterjet? What are your tolerances?

    Waterjet? What are your tolerances?
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    25
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    2,196

    This s part seems so well suited for standard...

    This s part seems so well suited for standard laser cut and form a specialist shop with a CNC press brake. You're sending it out for laser anyway just have them bend it.
  8. +1000 to anyone who makes videos of machining...

    +1000 to anyone who makes videos of machining with minimal talking. Abom79's best is when he was doing big parts with minimal talking, and if you're watching on the iPad on your sofa, the shop...
  9. I back filled our justification for why we got a...

    I back filled our justification for why we got a VM-3 using John Saunders's (NYC CNC) video for why he got one which I saw after we had our machine on the floor. I think we had good reasons but John...
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    Yes inkjet if you could. I've seen these machines...

    Yes inkjet if you could. I've seen these machines at laboratory automation conferences for marking tubes and they are just excellent. I imagine the cheapest serious ones are several grand but if you...
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    Is this the previous two sided trunnion one or...

    Is this the previous two sided trunnion one or the new single sided unit? TRT160 | Tilting Rotary | 5-Axis Rotaries | Rotaries and Indexers – Haas CNC Machines
    We've only had the new one up and...
  12. Thread: 3D printed boat

    by rcoope
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    1,652

    I must confess I'm thoroughly underwhelmed until...

    I must confess I'm thoroughly underwhelmed until we see some sea trials. A boat of that size could be fiber reinforced polymer but this did not appear to be the case here, and that is a larger...
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    Yes I've realized I was thinking about counters...

    Yes I've realized I was thinking about counters around here that are more like white marbled granite than actual marble. And of course you can carve marble.

    The history of high tech design, i.e....
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    Great thread. I hadn't taken in that those old...

    Great thread. I hadn't taken in that those old black panels were actually slate. Dan Gelbart has long suggested slate as a handy high dielectric strength material that was easy to machine. But I was...
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    MasterCAM has a serious API which could probably...

    MasterCAM has a serious API which could probably be integrated with anything and be optimized for routing to make ERP to CAM pretty swift. I visited Vorum industries recently, who sells software and...
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    I wonder if I know who the customer is too....

    I wonder if I know who the customer is too. There's some wacky (in a cool way) medical stuff floating around this town right now!
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    One question I would put to Marcus and other EDM...

    One question I would put to Marcus and other EDM operators, is does an EDM cost money sitting idle? The ideal hobby machine, but this applies to R&D lab machines as well, doesn't mind sitting still...
  18. Waterjet the plate out, leaving .05" all around.

    Waterjet the plate out, leaving .05" all around.
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    I'm interested about this GPA business. I just...

    I'm interested about this GPA business. I just went through 125 resumes, mostly recent grads, and almost none of them had a GPA listed. It is something we look at for co-op students through the...
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    Pay close attention to floor load. I've been...

    Pay close attention to floor load. I've been through this and typical office floor loads here are like 50lbs/sq ft where you need like 150 lbs/sq ft or something. It's amazing how NIMBYism and...
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    I literally made an offer for an engineering...

    I literally made an offer for an engineering position to a young graduate, that was accepted, earlier today. A couple of things jump out to me here. In any industry I know anything about, mostly...
  22. This actually looks awesome as a training tool if...

    This actually looks awesome as a training tool if you were trying to get people really comfortable with the Haas control before putting them on a proper machine (hmmm...) Haas has just the controller...
  23. If it's a heat sink couldn't you relax the .004"...

    If it's a heat sink couldn't you relax the .004" to .006" and then get a stock slit saw? Acrylic is definitely a fine choice for microfluidics (fun fact, acrylic doesn't autofluoresce) but like all...
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    Wildly Overpriced Big Cincinnati Shaper

    CINCINNATI Horizontal Heavy Duty Shaper - business/commercial - by dealer

    265622

    I thought I'd put this here so people could laugh, shake their heads, or maybe call the vendor and just yell at...
  25. Can you say anything about quantity and surface...

    Can you say anything about quantity and surface finish? For a smaller run you could mill them or potentially use a slit saw. I see McMaster has slit saws down to .006" thickness so you'd have to see...
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