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Type: Posts; User: nihilistic

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  1. Replies
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    Who promised you? Did they have a reference or...

    Who promised you? Did they have a reference or anything beyond a promise? I have certainly heard of retrofitting manual machines to be CNC operated but it is typically done by a skilled millwright...
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    This is pretty cool, thanks for the share.

    This is pretty cool, thanks for the share.
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    What material and what tolerance, did I miss...

    What material and what tolerance, did I miss that?

    Also, can you tap the ends? You can put a bolt in there and hold onto that as an alternative...
  4. Replies
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    Yeah, lots of high precision type machines use...

    Yeah, lots of high precision type machines use isopropyl. Datron for example in the US. The oils can get annoying for high tolerance/small tooling type work. For light duty work like your though I...
  5. My first reaction would be to ask your Mastercam...

    My first reaction would be to ask your Mastercam reseller, they are supposed to support you on this kind of thing.

    What exactly is wrong with the generic lathe post? With correct machine control...
  6. Replies
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    The ones I am comfortable and fast with like...

    The ones I am comfortable and fast with like AutoCAD (older, non-cloud), solidworks, mastercam (why use 2 programs?). Also if I'm in a pinch I'll use some of the free linux stuff but not often.
    ...
  7. Replies
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    Sounds like you need a better programmer lol. ...

    Sounds like you need a better programmer lol.

    If your parts are really so similar rechaining toolpaths in mastercam is trivial for part iterations.

    Sorry for your burden.
  8. Sure, use a tap ;)

    Sure, use a tap ;)
  9. I do 6061 every day. For a 1/4 tool ramp by depth...

    I do 6061 every day. For a 1/4 tool ramp by depth (1x dia) at 9k rpm and 35ipm with flood coolant. Even that is conservative. Consider a roughing tool if you don't mind lines or leave .01 for...
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    I've done it but you have to plan accordingly for...

    I've done it but you have to plan accordingly for the part which can take up some 3d modeling time.

    It can be worth it if it is a weirdly shaped part and if you plan to not rely on the jaws for...
  11. Replies
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    For a plane bearing which must account for loads...

    For a plane bearing which must account for loads in any direction I would look toward a spherical type rather than opposing cones. I think that would be more on the order of 20th century tech than...
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    Bore some softjaws if you don't wanna deal with a...

    Bore some softjaws if you don't wanna deal with a collet...
  13. Scared of computers?

    Scared of computers?
  14. Thread: What is it?

    by nihilistic
    Replies
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    1,621

    Trash......

    Trash......
  15. Since you have Tormach I would go with the G...

    Since you have Tormach I would go with the G wizard values. It will be fine.

    Pretty slow compared to how I might run it on a bigger machine but the lack of aggressiveness is good for an amateur...
  16. Yeah actually the Aluminum will react moreso than...

    Yeah actually the Aluminum will react moreso than the copper. You are gonna need a gasket/bushing/etc.

    For quick reference:
    Galvanic compatibility of aluminum and copper
  17. Angle vise and a level? Add some clamps and jacks...

    Angle vise and a level? Add some clamps and jacks when in position... Looks fun!
  18. Replies
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    When the shaft is free from the bearing and you...

    When the shaft is free from the bearing and you turn it does it wobble a lot? If so then the shaft is bent and the pressure when fitted is making it hard to move.
  19. No offense intended but you know this has already...

    No offense intended but you know this has already been done, right? Maybe I am missing something.

    Uniforce(R) Clamps | Mitee-Bite Products LLC.
  20. Redraw the part in CAD and then measure the...

    Redraw the part in CAD and then measure the results.
  21. Replies
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    I see, that makes sense then. What about an...

    I see, that makes sense then.

    What about an alternative wood-like material like MDF? It would maintain dimensional accuracy better I would suspect.

    Also you could just ask them what they...
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    Why do you need a wood pattern? Machine it out...

    Why do you need a wood pattern?

    Machine it out of aluminum...

    Or wax would be easier if you are doing lost wax casting.

    It just seems pointless - if you want precision to make a mold then...
  23. Thread: Rfq

    by nihilistic
    Replies
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    Need dimensions and tolerances.

    Need dimensions and tolerances.
  24. Replies
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    The cycle time doesn't change just because you...

    The cycle time doesn't change just because you are running in parallel, you just end up with a shorter lead time.
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    If you are really that new I would recommend...

    If you are really that new I would recommend getting help from someone directly.

    Alternatively, watch a movie on youtube for some generic pointers. something like this:
    YouTube

    If you really...
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