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questoin on mini mill

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  • questoin on mini mill

    can i do milling using the supplied 5/8 chuck and no do any damage to me or the machine,, i dont have any collets yet but was woundering if its ok to do some milling , would it be better to use my metabo keyless self tightening chuck instead of the factory chuck

  • #2
    Expect that eventually the milling cutter will come loose and damage your table or work. Milling sets up a different vibration than drilling.



    • #3
      I wouldn't try it, especialy if the chuck is held on the shank with just a taper the loading on the chuck from the cutting will rattle the chuck off the shank and send it where you do not want it.


      • #4
        I have a Jacobs chuck in my mini mill and also some collets and holder. Both work fine for the kinds of work I'm doing. I wouldn't consider using a keyless chuck for anything but drilling.


        • #5
          well alrighty then i guess ill have to waite till i can afford some collets for it then , I dont want to damage the mill


          • #6
            Definitely not recommended. The side load imposed by milling will almost certainly "walk" the chuck off its taper mounting shank, sooner or later.
            Try to make a living, not a killing. -- Utah Phillips
            Don't believe everything you know. -- Bumper sticker
            Everybody is ignorant, only on different subjects. -- Will Rogers
            There are lots of people who mistake their imagination for their memory. - Josh Billings
            Law of Logical Argument - Anything is possible if you don't know what you are talking about.
            Don't own anything you have to feed or paint. - Hood River Blackie


            • #7
              "woundering" Yeah...that's a good word for what you were asking about

              Same answer....drill chucks can loosen under side loads...especially the keyless type. I have one of those really nice, really expensive Jacobs precision keyless types (I nearly stole it at the price I found it for...I'm not rich). Its even designed so that it tightens itself under use. I used it with a large drill which started some vibration in cutting and the bit immediately came out of the drill. Not to be swayed from danger, I tried it again with the same result.

              Paul Carpenter
              Mapleton, IL