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Type: Posts; User: Marc von Amsberg

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  1. To follow up this last comment, I can reiterate...

    To follow up this last comment, I can reiterate that when the engineering demands of the parts increase, the intricacies of design become more challenging in the AM world. All that knowledge accrued...
  2. After speaking with Protolabs I learned build...

    After speaking with Protolabs I learned build orientation shouldn't be an issue, nor brittleness. I should expect the same material properties as bar or plate stock after heat treatment.
  3. Because my part is tricky to make in 1 piece I'm...

    Because my part is tricky to make in 1 piece I'm looking at additive manufacturing as a potential solution. So far the costs have been pretty close whether it's AM or conventional CNC. So I've be...
  4. Likewise, my experience with Protolabs CNC...

    Likewise, my experience with Protolabs CNC machining have been very good. My previous DMLS experience was not with them, and I printed titanium in that experience, not stainless steel. So it's not an...
  5. 17-4 PH stainless steel H900 heat treat through Protolabs

    During quoting for a complicated (think 5-axis) part, I found protolabs additive manufactures and heat treats(!) this material. Here are Protolabs...
  6. Thanks to all this excellent input this problem...

    Thanks to all this excellent input this problem was solved. Like many engineering problems, after looking at lots of complicated solutions I substituted a simpler one. Instead of a press fit, I used...
  7. Marcus, Milland, Zahnrad, Peter, all excellent...

    Marcus, Milland, Zahnrad, Peter, all excellent points. Especially your detail, Marcus, made me appreciate the finer points of laser welding. Your questions: what's are the components doing? this is...
  8. You're right Peter. The sketch isn't quite...

    You're right Peter. The sketch isn't quite dimensionally accurate as I'm balancing ID/OD right now to make sure the shear from torsion load and tensile loads are equally distributed. The sketch was...
  9. Thanks for lots of good info. I'll roll up the...

    Thanks for lots of good info. I'll roll up the answers to your questions into one reply.
    Are you attempting to make a permanent connection or is this a fixturing setup to allow you to do machining...
  10. press fit for small titanium cylindrical components

    Using medical grade Ti6Al4V, I'm press fitting a circular cylindrical male component 1.5mm (.059") in diameter x 5mm (.197") long. A taper is used at the tip for centering purposes. The mating female...
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    Poll: CAM for swiss and 5 axis VMC

    After reading lots of great opinions of the pros and cons of both high cost and low cost CAM software, it'd be great to get opinions and comments.

    We are making medical implants and instruments,...
  12. Wading into the wide waters

    Question Boy and AdvanceCustoms1, Good stuff, thanks for the replies.

    Our shop is dedicated to prototype only, as our parts support our engineering efforts. So I appreciated this:


    The duty...
  13. How are you doing 5 years later?

    I'm also considering the robodrill for machining medical instruments and impalnt prototypes. Our implants typically are large if they are 2" long, with plenty of organic shapes to mill. If I consider...
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