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Type: Posts; User: gregormarwick

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  1. Replies
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    As I've said before when others have requested...

    As I've said before when others have requested whatever MTB specific forum, it just dilutes the CNC subforum.

    There are already too many MTB specific subs IMO, and every one that gets added just...
  2. When you're getting close the centre like that...

    When you're getting close the centre like that polar isn't so great, lots of jerky C axis motion while it struggles to maintain the feedrate.

    Cartesian motion generally just works better.
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    I've replaced two of ours over the last half a...

    I've replaced two of ours over the last half a dozen years or so.

    Direct from Deublin, about £350.
  4. Edifier (https://www.edifier.com/us/en)have a...

    Edifier have a pretty wide range of decent quality bookshelf speakers and monitors with built in amps that are pretty cheap.

    I have 4 or 5 sets in total, home and work.
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    Or just program it in metric... Doesn't get...

    Or just program it in metric...

    Doesn't get much simpler than 1
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    While practical machinist is far and above the...

    While practical machinist is far and above the best machining forum on the whole internet, the amount of useful CMM / metrology discussion here is pretty minimal.

    For questions like this I...
  7. The wheels being engaged by air is effectively an...

    The wheels being engaged by air is effectively an axis release. Our LK was the same, with the original controller you could disengage the drives with buttons on the control and move it around by...
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    Seymour, I know it's not the point of your post...

    Seymour, I know it's not the point of your post at all, but I can't help wondering why:



    That seems like a very peculiar workflow...
  9. Those abwood vices are pretty much the worst...

    Those abwood vices are pretty much the worst machine vices you can get, in spite of being probably the most commonly found vice in any machineshop in the UK. The rear jaw is thin and flimsy and...
  10. That's what I thought too, but I have Fanuc...

    That's what I thought too, but I have Fanuc lathes over a pretty big range of size, speed and acceleration rates, and they all do this with G76, but not if I use G32. I can program a ramp out move in...
  11. Edit: just read more carefully and saw that...

    Edit: just read more carefully and saw that you're not using a Fanuc control. What I wrote below is my experience with Fanuc controls.

    What I've found with G76 is that it will never exceed the...
  12. The functionality of cam software can be broken...

    The functionality of cam software can be broken down as follows:

    1. Features that they all have in some shape or form.
    2. Features that people know how to use.

    When you ask questions like this...
  13. In reality, people force npt fittings into bsp...

    In reality, people force npt fittings into bsp holes and vice versa all the time without knowing better. Worst case is usually a fitting that weeps a bit, and a hole that needs it's threads chased at...
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    My comments came from a position of familiarity...

    My comments came from a position of familiarity with the subject, and I stand by them.

    I had the MHB shoved in my face when I embarked on this career and I did use it for many years as the defacto...
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    Well; It's as antiquated as can possibly be....

    Well;

    It's as antiquated as can possibly be. 90% of it's contents are completely useless unless you're working with 100 year old equipment and building things to 100 year old standards and...
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    I am not an HSM works user, but I was generally...

    I am not an HSM works user, but I was generally under the impression that it has been on life support for a few years now. Is it still being actively developed?
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    There have been some high profile breaches on aws...

    There have been some high profile breaches on aws hosted services in the last few years, and not always via antiquated integrated systems. Accenture, Uber etc..

    Private key encryption means hard...
  18. The DCC equivalent of that machine looks to be...

    The DCC equivalent of that machine looks to be the Crysta Apex S.

    Comparing them visually they look to have the same table and gantry, and that's all.

    In the absence of any existing motion...
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    Of course AD et al. can implement far more...

    Of course AD et al. can implement far more effective and competent security measures than any end user.

    But, as has always been the case, and will always be the case, visibility and attack surface...
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    I bet the delay is what prevented me from getting...

    I bet the delay is what prevented me from getting it to work. I will try that as soon as I have some spare time, thanks!
  21. I've actually just done this. I have an...

    I've actually just done this. I have an adjustable angle head on a 40 taper, and I have a job with a lot of double angle holes to drill. I only have one machine with a 40 taper and it's ancient, no...
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    I have reverse engineered the .600 format. It...

    I have reverse engineered the .600 format.

    It can be programmed using any cam if you can make a post to suit. I've been using it successfully like this for the last year or so.

    The only caveat...
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    Datron are the first that come to mind for that...

    Datron are the first that come to mind for that kind of work.

    DATRON High Speed CNC Milling Machines, Engraving Machines
  24. The plunger is a hydraulic piston, presumably a...

    The plunger is a hydraulic piston, presumably a simple master-slave configuration. I don't doubt that they are in fact hydraulic and not mechanical, but I don't really intend to dismantle any of them...
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    No picture of a control. Is there one? PLC driven...

    No picture of a control. Is there one? PLC driven application specific machine perhaps? From the pieces lying around inside the enclosure, looks like it was used for roughing out camshafts...
    ...
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