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  • Originally posted by spkrman15
    Tim,

    50 tones! Wow i would not have thought the head bolts could handle that. How do you remove the sleeves? When the piston is not seize to it

    Keep the pictures coming

    Rob
    It didn't need anything like 50 tons, but I had to take the kit 25 miles to the job, didn't want to take the little 10 ton ram & find it wasn't man enough, 50 mile round trip home & back, half in city traffic, to get the big one! Also it's a handy size to fit the job, less packing needed
    The head studs are 1 1/4" BSF, necked down to about 1 1/8", don't know what the breaking strain of four of those would be. Head nut torque is 500 lbft.


    Having seen that was a new liner, thought the other two would also come out easily & made up a simple screw puller with M24 studding. Should have known better, it was right on the limit for extracting them. one of them has the date 1985 stamped on the bottom rim and after 25 years in place it wanted to stay. I've got a 30 ton hollow ram, ideal for jobs like that, but would have required making up a much more substantial bridge piece to span the top of the liner than the one I used. One of those jobs where you know almost from the start that you made the wrong choice, a heavier bridge would almost certainly get used again.

    Tim
    Last edited by Timleech; 07-18-2010, 09:04 AM.

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    • I made a tool holder

      Some one on here a few weeks ago said that 6061 aluminum would work for a quick change tool holder, so I made me a new tool holder this weekend.
      Was my first attempt at cutting a dove tail.. the tool seems to work very well.




      _____________________________________________

      I would rather have tools that I never use, than not have a tool I need.
      Oregon Coast

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      • Took care of my nephew. He's almost 10 years old. He wanted something neat to do, so we designed and machined suncatchers for his two little sisters (suncatcher = something you hang on a window). He loved every minute of it. We started with his sketch of what he wanted. He did say the hearts were "girly". Then I drew it up in 2d cad and dimensioned it. I helped him program the machine for the first few blocks, then he wouldn't let me help anymore! I did review the program before we ran it.
        Programming the Hurco in conversational mode: (So simple a 10-year-old can do it!)

        The second suncatcher design. He loved the Hurco's graphics that draw the part and the machining paths, it makes typos stand right out. In fact he had so much fun with the graphic backplot I had to stop him from graphing every segment as he added it or we have been there forever.

        Two finished suncatchers. These are 0.250 lexan (or maybe acrylic?) and are 2.5" diameter. We just used a small 2-flute HSS end mill, with air blast to clear the chips for the engraving. I finished breaking them off the square sheet after this. I also deburred them, of course.

        His sisters loved them.
        He designed a more complicated one for himself, next time we're going to make that one.

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        • my right arm is in a sling for the next 4 weeks, unsafe to machine, can't lift, so i continued to learn autocad inventor 2011 and am re-designing projects and am going to put together an ftp for projects and blueprints. been at this since the main drugs wore off thursday! look forward to sharing in october!
          CCBW, MAH

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          • Was searching my old threads for something else and seen this one and figured I'd post.

            Just finished this up today. I didn't spend much time on it, just wanted to stop the drinks from spilling into the computers over and over again. Has a compartment that the puter fits in and the drink area is completely sealed off from the computer area.

            I had had to tear down my laptop 5 times now from drinks being spilled in it. This last time was the wifes margarita with salt and I am having a hard time bringing it back from this one.


            Andy

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            • I flew an airplane, did an instrument proficiency check, went well!

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              • Built this camera stand prototype for work this weekend.

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                • I started in on some reference squares.... milled them to flatten the surfaces, and get them close to a right angle. I'll be needing them later, and so I figured I had best start the cycle of scraping for them.

                  I plan to generate the right angle, as I find that my "precision vernier square" is a POS which appears to have the blade pads set too close together and hard to clean off. It claims the reference square I have is almost 20 thou "out", which I can prove is a crock by actual test......

                  I'd buy a granite square, but the ones I found are too big, I don't want one the size that I found at one of the import places, CDCO or SHARS, I forget which.
                  4357 2773 5647 3671 3645 0087 1276

                  CNC machines only go through the motions

                  "There's no pleasing these serpents"......Lewis Carroll

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                  • Fitted a backplate to a new-to-me 3-jaw.

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                    • Originally posted by PeteF
                      Made a "Frank-Fordamejig", thanks Frank!

                      Hmmm, have to figure out this photo business. Stand-by ... let's see if this works. Sorry about my lousy iPhone pictures. First pic is parts before powder coating, second installed on lathe.




                      I think this is a device for centering workpieces in a chuck? - can you point me to the URL or reference page where Frank originally describes this?

                      thanks!

                      -t

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                      • http://www.frets.com/HomeShopTech/To...ingroller.html

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                        • Are you sure you want to hear this. Got up early, shave, shower, eat breakfast, crapped, brush teeth, drove 60 miles, took photos of tools for sale, loaded vehicle with tools and misc, drove to Cracker Barrel for lunch, drove home, unloaded vehicle, checked email, ate dinner, went to bed, had great sex with an attractive lady, cuddle and watched some TV, drink some more red wine, typed this, gone to bed.
                          Last edited by ; 01-16-2011, 11:17 PM.

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                          • Originally posted by gary350
                            Are you sure you want to hear this. Got up early, shave, shower, eat breakfast, crap, drove 60 miles, took photos of tools for sale, loaded vehicle with tools and misc, drove to Cracker Barrel for lunch, drove home, unloaded vehicle, checked email, ate dinner, went to bed, had great sex with an attractive lady, watched some TV, had a glass of red wine, typed this, gone to bed.

                            Sounds like a nice day to me,
                            Forget Cracker Barrel.. go to a Mom and Pop Restaurant. Support the locals.

                            And your problem is.. ???????
                            What is your agenda for tomorrow????
                            K Liv

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                            • I put in drainage pipe

                              I dug a 50 meter ditch 1.5 meters deep. Installed the pipe in two meter segments. Filled the ditch back in again.

                              My back is a little sore! Not as young as I used to be. Sitting in the excavator is tiring!
                              Location: The Black Forest in Germany

                              How to become a millionaire: Start out with 10 million and take up machining as a hobby!

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                              • I am finishing up the next article for Digital Machinist - A CNC Controller for the X-Y Table.

                                Yesterday I had some feature creep. The simple addition of a potentiometer (3 wires to connect, 1 hole to drill) wired to one of the analog inputs and 3 lines of code in the program, resulted in a manually adjustable feedrate. Now I have to go back and update the drawings and take a few new photos.
                                Weston Bye - Author, The Mechatronist column, Digital Machinist magazine
                                ~Practitioner of the Electromechanical Arts~

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