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Author Topic: strange behavior  (Read 1958 times)

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strange behavior
« on: March 27, 2009, 04:53:41 PM »
When i jog the z axis of my lathe with the shuttle pro and change direction, it starts getting to speed then slows almost to zero then up to speed again. if i start again in the same direction its up to speed properly. the problem appends only on change of direction. x axis is fine. if i run a program it does the same thing. i know the problem is not mechanical or electrical. i can see the feed dro following the true axis movement!! it used to work fine. i don't recall having change anything.

any idea?