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Type: Posts; User: implmex

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  1. Replies
    11
    Views
    500

    Hi again Leviathan: As others have pointed out,...

    Hi again Leviathan:
    As others have pointed out, basic wire EDM is quite a bit less challenging than basic sinker EDM to make the machine go and do straightforward stuff so long as the machine is in...
  2. Replies
    18
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    909

    Hi tayamo1: You DON'T want to have a 4 jaw self...

    Hi tayamo1:
    You DON'T want to have a 4 jaw self centering chuck unless your stock is perfectly (or almost perfectly) square.
    If it's out even 50 microns it will effectively only be a 2 jaw chuck,...
  3. Replies
    11
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    500

    Hi Leviathan: You wrote: "the older (late...

    Hi Leviathan:
    You wrote:
    "the older (late 1990s) machines required a bit more finesse and tribal knowledge. Is that not the case?"
    Yes that is the case; one of the fundamental changes in ease of...
  4. Replies
    5
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    775

    Hi birdus: Send it out to a laser welder....

    Hi birdus:
    Send it out to a laser welder.
    Titanium is easy to weld...this sounds like a 15 minute repair.
    Laser welding gives you great control, almost no heat affected zone, microscopic weld...
  5. Replies
    18
    Views
    1,547

    Hi Zahnrad Kopf: Did you glass bead them to...

    Hi Zahnrad Kopf:
    Did you glass bead them to knock off the loose tungsten carbide grains before you ground the rake on them?

    Cheers

    Marcus
    Implant Mechanix • Design & Innovation > HOME...
  6. Replies
    10
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    736

    Hi hansvandongen: Here you go...pics of my shop...

    Hi hansvandongen:
    Here you go...pics of my shop built T&C grinder.
    For scale reference, the mag chuck on it is 4" x 7".
    The table runs on balls and is made of A-2 hardened to 60 RC.
    Obviously,...
  7. Replies
    10
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    736

    Hi TheGreatJon: The Swiss shop in California...

    Hi TheGreatJon:
    The Swiss shop in California that I worked closely with for a number of years swore by their Agathon grinders.
    Another Swiss shop I worked with, liked and used Christen grinders...
  8. Replies
    18
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    1,547

    Hi Zahnrad Kopf: I'm curious; have you had good...

    Hi Zahnrad Kopf:
    I'm curious; have you had good results with wire EDM cut carbide for cutting tools?
    I've always been disappointed with their longevity compared to ground ones.

    There have been a...
  9. Hi praff: Have you considered getting a really...

    Hi praff:
    Have you considered getting a really high end used machine like a Deckel FP1 or FP2 and maybe rebuilding that?
    Expensive for sure, but you'd have a solid accurate machine for life, and...
  10. Replies
    9
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    842

    Hi All: Just for curiosity's sake I grabbed a...

    Hi All:
    Just for curiosity's sake I grabbed a couple of DME and National pins I have in stock and checked them under the microscope.
    The DME pins are centerless ground and the grind marks are...
  11. Hi mazzotta.al: You wrote: "but how do you know...

    Hi mazzotta.al:
    You wrote:
    "but how do you know ..."

    Short version is....you don't.
    As a process engineer, you choose your raw stock for the attributes you want, if one of those is a complex...
  12. Replies
    2
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    312

    Hi lrg: I've always just used steel settings and...

    Hi lrg:
    I've always just used steel settings and had no difficulties.
    But I never tried to optimize for speed or anything.
    Cheers

    Marcus
    Implant Mechanix • Design & Innovation > HOME...
  13. Replies
    42
    Views
    3,844

    Hi Cole2534: I always think of it this way: W...

    Hi Cole2534:
    I always think of it this way:
    W know that a pair of gears of the same Diametral Pitch and Pressure Angle will mesh together correctly regardless of the number of teeth in each gear....
  14. Replies
    17
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    1,104

    Hi EPAIII: Are you referring perhaps to...

    Hi EPAIII:
    Are you referring perhaps to "Parallel Depth Bevels"?
    According to one of the more ancient gear books I have, these were developed in World War 1 to enable British armaments companies to...
  15. Hi Gary: Can you get access to a Shadowgraph? ...

    Hi Gary:
    Can you get access to a Shadowgraph?

    Cheers

    Marcus
    Implant Mechanix • Design & Innovation > HOME
    Vancouver Wire EDM -- Wire EDM Machining
  16. Hi All: Wire cutting these is a possible...

    Hi All:
    Wire cutting these is a possible solution but you need to find a fine wire shop and there are relatively few around.
    If the longest of these parts are only around 4" and change, you can...
  17. Replies
    43
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    2,807

    Hi Emissary: You are in a hard place not of your...

    Hi Emissary:
    You are in a hard place not of your own making, and you have my sympathy for your situation.

    Here's how I see it:
    You have uncovered an issue which has implications for the...
  18. Replies
    43
    Views
    3,596

    Hi mountie: You wrote: "If you give Milland a...

    Hi mountie:
    You wrote:
    "If you give Milland a cookie...."
    Well I guess then I'd have to give EVERYONE a cookie...(and a beer).
    Cheers

    Marcus
    Implant Mechanix • Design & Innovation > HOME...
  19. Replies
    43
    Views
    3,596

    Hi Sol: You wrote: "Your part would be...

    Hi Sol:
    You wrote:
    "Your part would be considered "large" for these machines."
    and:
    " I don't know if 6AL-4V has the ductility for the part shape"

    Good points both; in fact the info I've read...
  20. Replies
    43
    Views
    3,596

    I can do that Milland! In fact, how about a...

    I can do that Milland!
    In fact, how about a cookie AND a beer?

    Cheers

    Marcus
    Implant Mechanix • Design & Innovation > HOME
    Vancouver Wire EDM -- Wire EDM Machining
  21. Replies
    43
    Views
    3,596

    A question for all you diemakers: Do you think I...

    A question for all you diemakers:
    Do you think I can successfully pinch trim this part in the same station I draw it in?
    I've been told that's a really bad die design because it risks beating up...
  22. Replies
    43
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    3,596

    Hi All: Lots of good creative ideas here, and a...

    Hi All:
    Lots of good creative ideas here, and a good bit of it is worthwhile to tuck away into the back of my head for future jobs.
    I appreciate it all.

    So here is my dilemma:
    The quantities...
  23. Replies
    43
    Views
    3,596

    Hi metlcutr55: You wrote: "he became invisible,...

    Hi metlcutr55:
    You wrote:
    "he became invisible, didn't even pay the 1st invoice"

    Oh man, do I ever hear you, and I bet almost all of us have a similar story to tell at least once in our...
  24. Replies
    43
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    3,596

    Hi Delw: That information is priceless! Thank...

    Hi Delw:
    That information is priceless!
    Thank you so much for your willingness to share it!
    It's the experience driven tidbits like those that enable others to avoid the pain of having to figure...
  25. Replies
    43
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    3,596

    Hi litlerob1: Yeah I floated that idea past my...

    Hi litlerob1:
    Yeah I floated that idea past my head too and then I went NAAAAHHH!:D

    The problem is the customer will need thousands per run.
    Parting off and back turning takes seconds as you...
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