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  1. Thread: Special tools

    by Hazzert
    Replies
    23
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    1,755

    The round stock is sintered and ground into...

    The round stock is sintered and ground into nominally sized blanks and then these blanks are then ground to your desired tool. This is why if you look at the pricing of endmills for example all the...
  2. We use a Mitsubishi AXD4000 in our non-ferrous...

    We use a Mitsubishi AXD4000 in our non-ferrous applications in 1" and 2". Great finish and MRR. They have inserts for Al and Ti but they're not recommended for stainless.
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    Up th

    I mill literal tons of G10 per year and have never touched G11. Without giving too much away, sharp tooling will give you the best finish on a mill. We don’t turn very much of it but I’ve never...
  4. If it reads 0 on the dial you are on the edge...

    If it reads 0 on the dial you are on the edge regardless of which of the two tips you're using.

    I always check my concentricity after changing but it's never out by much. Also of note is the...
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    407

    You may be having spindle sync issues, I’d try a...

    You may be having spindle sync issues, I’d try a floating tap holder. Otherwise make sure your coolant is rich and go down a 65% or so thread engagement. I’m not surprised you’re having trouble with...
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    Thank you for that valuable contribution. Would...

    Thank you for that valuable contribution. Would you care to expound that proclamation?

    It has its quirks like every CAM system but it is as capable as every other CAM system using the Moduleworks...
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    2,208

    It’s called GibbsCAM, it’s better to pretend that...

    It’s called GibbsCAM, it’s better to pretend that it doesn’t have any CAD functionality outside of modifying geometry for the CAM side.
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    3,884

    You’re local to me Marcus, funnily enough for...

    You’re local to me Marcus, funnily enough for some similar work for maybe a mutual customer my first suggestion was to farm it out to you! :D
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    It depends, if you're using a full profile insert...

    It depends, if you're using a full profile insert then the profile (including the crest and root radii) will handled by bringing the thread to a correct PD. If you're not then you will need to refer...
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    I was going to say that I don't see why Gibbs...

    I was going to say that I don't see why Gibbs couldn't do that, the synchronous swiss side seems to be pretty powerful however I've never twiddled actual knobs on a Swiss.
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    I would argue that a multipoint threadmill will...

    I would argue that a multipoint threadmill will actually be more rigid than a single point for the same reason that an endmill engaged in HEM along its whole flute length is more rigid than the same...
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    Do you have anything to contribute to the OPs...

    Do you have anything to contribute to the OPs problem or do you just want to keep talking about your shop?

    To OP like everyone else said if management doesn't care trying to force them to is just...
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    2,354

    Odd suggestion but try an endmill more suited for...

    Odd suggestion but try an endmill more suited for hard materials, the edges will have more support behind them and if you use one with corner radii those will be protected too.
  14. Did you just suggest enlarging a 3/8 hole to 7/8...

    Did you just suggest enlarging a 3/8 hole to 7/8 using reamers? :nutter:
  15. I would have just left the stock slightly long...

    I would have just left the stock slightly long and used a center in the end rather than mucking about with the steady.

    Threading away from the chuck with the tool upside down might have helped too...
  16. Replies
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    2,368

    On the west cost, most of our business is in fuel...

    On the west cost, most of our business is in fuel cells and a lot of that work is in G10 composites. So far in my experience the only things green in the sector are some of the engineers doing the...
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    I would be all over packaging a band-aid inside a...

    I would be all over packaging a band-aid inside a fortune cookie.
  18. Single blocking a program is not feasible for us...

    Single blocking a program is not feasible for us however I try and program consistently for my guys and will use standard values such as 0.1" above top of part clearance planes and a 4" master...
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    NYC CNC has a lot of F360 videos, they're more...

    NYC CNC has a lot of F360 videos, they're more project orientated but once they get a handle on the basics seeing how he approaches a part and some of the operations they should be able to apply it...
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    How are you checking this? Your lost motion is...

    How are you checking this? Your lost motion is 1/64-1/32" if you're eyeballing this with calipers from an edge there is a good chance you're off.
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    We can't help you with the machine specicially...

    We can't help you with the machine specicially however if you post the code for a contour of that pocket we can take a look and at least tell you if you're doing something wrong there.
    ...
  22. It looks like a toy in a fancy acrylic case.

    It looks like a toy in a fancy acrylic case.
  23. From everything I’ve heard about AR500 it sounds...

    From everything I’ve heard about AR500 it sounds like you’re getting exactly the tool life you should be getting.
  24. 1) surface harden, depending on the size of the...

    1) surface harden, depending on the size of the part you can expect .02-.04” of case depth so small,parts are effectively thru hardened.

    2) soft, they’re going to take the parts up to nearly...
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    In the modern world, one shot. On a SB, maybe...

    In the modern world, one shot. On a SB, maybe 1/4” pilot for the drill web and then fire it through. If you’re worried about reamer stock allowance, drill it your next size undersized from 31/32,...
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