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Type: Posts; User: handlewanker

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  1. Re: Why most (non-router) milling machines don't use self-contained spindle?

    I have to wonder what the originator of this thread had in mind when he titled it "most (non router) milling machines"...…….probably with an SX3 or Grizzly whatevers in mind.

    Going to a higher...
  2. Re: How is everyone building a DIY CNC router system that maintains cutting tolerance

    Well, it was stated that .002" was not an expectation and it is a gantry router after all.

    One of our DIY shops sells wood boards that are made up from thin slices of wood glued together and then...
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    Re: Slightly sizing down a carbide drill

    Hi, now if you had a Deckle SO D bit grinder you could take a long round carbide blank and grind it to a hex shape for 10mm or so......you drill first with a normal drill and use the ground drill to...
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    Re: Slightly sizing down a carbide drill

    Hi, at 4mm + you could get a masonry drill and use a diamond lap to wear it down to size.
    Ian.
  5. Re: How is everyone building a DIY CNC router system that maintains cutting tolerance

    Hi, that's a nice project build...…...that solves the table issue that dogs a lot of builds.....very practical too.
    Ian.
  6. Re: How is everyone building a DIY CNC router system that maintains cutting tolerance

    With all things being equal, if you have the right design and the means to make it almost perfect, then yes, anything is possible...…….it would be like getting to the top of the ladder of your brain...
  7. Re: How is everyone building a DIY CNC router system that maintains cutting tolerance

    One big advantage of a moving table design is that you can have a central ball screw whereas the moving gantry even with a central ball screw under the table and on the crossmember can have the...
  8. Re: How is everyone building a DIY CNC router system that maintains cutting tolerance

    Lets see some actual concepts you would like to browse on....you must have an agenda for what you mainly wish to achieve.

    I'll set the ball rolling by posting a pic of a build that I started a...
  9. Re: Why most (non-router) milling machines don't use self-contained spindle?

    Hi, just found an interesting concept mill amongst my file collection that...………...wait for it...…….has a High Speed Water Cooled spindle on it...…….yes, isn't it a small World.

    Perhaps the table...
  10. Re: How is everyone building a DIY CNC router system that maintains cutting tolerance

    …...and a temperature controlled environment to control expansion and contraction etc etc......pull the other one.

    Pardon me if I'm Uber sceptical, but .0005" is way up in the clouds.... and...
  11. Re: Why most (non-router) milling machines don't use self-contained spindle?

    Well, even if you acquired a completely CNC converted Bridgeport without a spindle as a gift you still then wouldn't fit a HSS to it which is the whole argument, unless you only wanted to cut...
  12. Re: How is everyone building a DIY CNC router system that maintains cutting tolerance

    A half a thou...…..
  13. Re: How is everyone building a DIY CNC router system that maintains cutting tolerance

    Hi, it all comes down to your design layout preference...…..perhaps a quick sketch of a typical layout would give more food for thought as to what direction you want to pursue.
    Ian.
  14. Re: How is everyone building a DIY CNC router system that maintains cutting tolerance

    Hi, when you said you had the facilities of a workshop with machines etc, I assume you also have a decent sized marking off table to erect the machine on...….a sheet of steel welded to a bench is not...
  15. Re: Spindle Regrinding Service for Benchtop Machines

    Hi, well into that "look see" option.....the problem I have with the spindle I'm modifying is originally it did not have a draw bar through the solid upper drive shaft and nobody with sense mills...
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    Re: CNC router build

    Hi, you'll need a 3D printer to make those parts...….there's no end to the fun you can have.....it opens up a complete new World...….I've just been bitten by the plastic bullet so nothing is going to...
  17. Re: Spindle Regrinding Service for Benchtop Machines

    Hi, I don't think you can go back from the short R8's unless you change the whole head as the bearing configuration wouldn't allow a bigger diam. spindle to be fitted...….it's probably right from the...
  18. Re: Spindle Regrinding Service for Benchtop Machines

    I'm a very firm believer in "the proof is in the pudding" etc, and Dave D'C has proved that conclusively......pity these collets were not more freely available...….however if that was a fact, you'd...
  19. Re: Spindle Regrinding Service for Benchtop Machines

    Hi, I thought about that too and if the top straight section is clearance you won't need to regrind it at all......however if the bottom taper section is running eccentric then regrinding that part...
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    Re: Spindle not working

    I was under the impression that the Estop button cut all power to the machine.....how can a spindle winding be burnt out with no power present......looks like a water pump failure.
    Ian.
  21. Re: lathe turning, steps to achive final size

    Just run some wet and dry on the back of your 12" ruller until you think the size is good......BTDT.
  22. Re: Spindle Regrinding Service for Benchtop Machines

    Hi, it will be a bit of a bugger if the straight part of the spindle bore that locates the back end of the R8 collet is running out......once that has been ground to size it's there for good......you...
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    Re: Spindle not working

    In other words, you power the spindle down to zero with the VFD and then it can be switched off?

    As the man, said it would not be practical to leave a VFD plugged in to a mains supply unattended...
  24. Re: Why most (non-router) milling machines don't use self-contained spindle?

    Cost, it's the main factor in any equation......if you have a grand or two to throw at a spindle solution I'm sure there are many spindles that will fit the bill, but it all comes down to what you...
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    Re: 3D printing No activity?

    Well, I placed an order for the Ender 3 Pro @ A$328 last Tuesday night and it arrived today 11.00AM Thursday...…….that is an amazingly quick delivery......from NSW down to Dandenong...
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