Movement Errors

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  • Movement Errors

    We are getting errors on a variety of programs namely (TR_FG150,XlxT Error)
    A machine start is required to clear the fault. This happens in various programs in different places regardless of movement changes we have made i.e touch speed, prehit,move speed, accel and deccel.
    We are running a DEA Prima C1 using Version 3.7 Mr3.

    Often the error will re occur several times in exactly the same spot until it eventually checks the position or we go back to the start of the program.

  • #2
    Its sounds like you styli is triggering. What is the lenth of your stylus, what type are you useing and how fast are you going? Either its too big and goiing to fast or someone had a crash and did not say anything or both.
    sigpicSummer Time. Gotta Love it!

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    • #3
      We had that diagnosis over the phone from our software rep but when he saw it in person he just shook his head and said "Never seen that before" As i Said, it happens regardless of Move speed, sometimes we can move at 200mm/sec and we have no problem, sometimes we cant get through the same program at 10 mm/sec

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      • #4
        I had a dead area once on an old machine, I believe it was a scale issue. been so long ago I dont remember.

        You stated in you PM to me you are useing a 143mm extention. Take the extention off, and try running it. It it does not die there, you will have to get a lighter extention. Something non-metelic. That should elimnate your problem. Or a bigger TP, maybe a TP6
        Last edited by Paul Sarrach; 08-10-2006, 10:12 PM.
        sigpicSummer Time. Gotta Love it!

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        • #5
          You might have dirt/dust on the bearing surfaces or scales. Clean them with alcohol and a lint free cloth. I use isopropyl alcohol. There have been many discussions here about what type to use. You don't want to use anything that will leave a film or scratch the surfaces.
          When in doubt, post code. A second set of eyes might see something you missed.
          sigpic

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          • #6
            Originally posted by John Kingston
            You might have dirt/dust on the bearing surfaces or scales. Clean them with alcohol and a lint free cloth. I use isopropyl alcohol. There have been many discussions here about what type to use. You don't want to use anything that will leave a film or scratch the surfaces.
            But don't drink it, it will make you sick, ummm so I heard
            sigpicSummer Time. Gotta Love it!

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            • #7
              We have a DEA Delta which had a similar problem which turned out to be 2 seperate issues
              1) Dirt build up under the bellows on the slides
              2) Air compressor and dryer were in the hot plant and air was condensing in CMM Lab since at some points there was a 20 degree temerature difference
              "A good design is the one that allows engineers the ability to change gracefully what they forgot to do right the first time!!!"

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              • #8
                Originally posted by Paul Sarrach
                But don't drink it, it will make you sick, ummm so I heard
                Also, don't waste good Whiskey, beer or wine cleaning it.
                When in doubt, post code. A second set of eyes might see something you missed.
                sigpic

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                • #9
                  Thanks guys
                  DEA Prima C1 doesnt have bellows or air bearings, just exposed slides we clean and grease regularly but it doesnt really seem to help much. We are getting a technician in from Singapore next week, apparently having the only machine of its type in the country means that people with experience in diagnosis are like rocking horse crap

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                  • #10
                    Don't know if this applies, but we had a similar problem on our Horizontal 3000 and no one could pinpoint the cause. The machine would just trip out in some areas and then it would be ok and then it would start doing it again later.
                    Turns out, after talking to an older tech who had worked on these machines for years, that one of the multitude of cables was getting pinched and had a potential short, so sometimes it would error out, sometimes not.
                    When the going gets weird, the weird turn pro. Hunter S. Thompson

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                    • #11
                      Originally posted by jmgreen
                      Don't know if this applies, but we had a similar problem on our Horizontal 3000 and no one could pinpoint the cause. The machine would just trip out in some areas and then it would be ok and then it would start doing it again later.
                      Turns out, after talking to an older tech who had worked on these machines for years, that one of the multitude of cables was getting pinched and had a potential short, so sometimes it would error out, sometimes not.
                      Excellent post. This kind of handed down knowledge usually stays in a small circle near the place it was learned. This forum enables us to stretch that circle around the entire planet!
                      sigpic"Hated by Many, Loved by Few" _ A.B. - Stone brewery

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                      • #12
                        We got the Hexagon Metrology guys in from Singapore to service and calibrate.
                        They adjusted tension on the belts reset machine and we are now running at full speed 200mm/sec. Thanks to all members for your help.

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