Mitsubishi FX20K Skimming issues
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  1. #1
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    Unhappy Mitsubishi FX20K Skimming issues

    Morning all,

    We have some major issues during the 3rd and 4th skims on our FX20K.

    These skims are always dead slow, way less than the FA value. Sometimes even dropping to 0, then speeding up for a second before dropping again no mater what plate thickness we cut.

    I realise the machine is getting on in years but this issue has only really started to appear over the last year or so. And the type of jobs we do havent changed.

    The epacks were (when it ran well) and are still the standard ones from the manual so i dont see why i should have to change them.

    Any suggestions?

    Lee

  2. #2
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    Pm should be off as well as adaptive control. How much are you leaving for a skim, what material, and how tall?

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  4. #3
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    Quote Originally Posted by plastikdreams View Post
    Pm should be off as well as adaptive control. How much are you leaving for a skim, what material, and how tall?
    I agree with plastikdreams... when skimming (for Mit's users), try turning off your Power Master and Adaptive Control options and I offer the same advice for any-and-all wire machines that have similar adaptive features.

    While these options are advantageous in roughing and bad-flush conditions, skimming is usually much less problematic and IMHO, these "thinking" options can interfere with the simplicity of skim-cuts and instead, allow the machine the opportunity to "outsmart" or even "argue" with itself ("Uh oh... slow down. Oh no... a sharp corner. Oh no... too much material left in a fillet, what'a we do now? Hey, we've got 2" of straight cutting, let's speed up.") Umm... no thanks.

    IMO, most skim cuts are quite straight-forward and simplistic and don't need a "conversation" among multiple, algorithmic "gremlins", all cranking handles within the control.

    Since I've been wrong before, I ask any OEM apps-guys who frequent this venue; if you have a better explanation or strategy for skim cutting, straighten me out on this as I don't wanna short-change your product's abilities or speak in error.

    BG

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