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  • jking,

    How about posting the pictures of your homemade "5-C" collet chuck? That was fantastic work!

    Mike

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    • http://www.practicalmachinist.com/vb...en-159842.html Its been around the block a few times but here it is again.Thanks mike.

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      • <bump>

        Keep 'em coming............
        1601 2137 5683 1002 1437

        Keep eye on ball.
        Hashim Khan

        If you look closely at a digital signal, you find out it is really analog......

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        • Current project,

          A steering servo for a big RC car I am working on. Should be able to test it this morning.

          Nothing really fancy as far as the hardware goes, it's the little box that drives it that's the trick. It's a Traxxas XL-1 forward reverse speed controller. It uses a pot as a center throttle adjuster. I brought the connections out from the circuit board to use for the position feedback.
          Gene

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          • Start of one of those marble Stirling engines. Gimbal pivot for test tube.

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            • Originally posted by bewards
              I'm just a beginner[...]

              Can't hold a candle to you guys though.
              -Don't worry about it, this isn't a competition after all.

              Build what you want to build, or make whatever you need made. Use your machines- and skills- for yourself, not to "impress the other guys".

              Doc.
              Doc's Machine. (Probably not what you expect.)

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              • Small keychain I made out of some .100" thick titanium.

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                • im green with envy. maybe im not too old to learn cnc.

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                  • precisionmetal, what's the detail level possible with your laser?

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                    • Here is how I turn brake rotors.


                      I have a couple of these made up with different bolt patterns. Just chuck it up and take a face cut to tru it. Bolt rotor on and cut. No distortion from chucking and you use the same face as it runs against. jim

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                      • latest project. working on this for a co worker. He has no tools so...

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                        • Here is my golf ball cannon All I need is the tank now. jim

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                          • Originally posted by Tony Ennis
                            precisionmetal, what's the detail level possible with your laser?
                            Tony,

                            I made that on my wire edm machine. A laser is like a hatchet in comparison.

                            That part was cut using .004" wire, so each inside corner has a radius of just over .002".

                            PM
                            Last edited by precisionmetal; 12-17-2009, 11:34 AM.

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                            • Originally posted by precisionmetal
                              I made that on my wire edm machine. A laser is like a hatchet in comparison.

                              That part was cut using .004" wire, so each inside corner has a radius of just over .002".PM
                              It's beautiful. I thought it was wire EDM'ed when I saw it. But I'm really curious how much the wire cost you for that burn? I attempted to repair an old wire EDM once and was amazed at both the precision and the barrels of used wire.

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                              • Mike,

                                Small wire is relatively inexpensive. Probably about $2/hr for the wire used while I was cutting that.

                                Accuracy, as you say, is phenomenal. My 14 year old Agie will position to 1 micron, and it has absolutely no problem repeating to the tenth, over and over, anywhere in the work area.
                                Last edited by precisionmetal; 12-17-2009, 11:37 PM.

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