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#1
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when i re-start a cut after feed hold does the machine wait till the spindle is up to the programmed speed before starting to feed? If not this seems like it could lead to a tool break after a feed hold in certain situations. i'm referring to the reduced spindle speed after opening the door if your machine is set up this way, thanks joev |
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#2
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| It seems to me that the spindle does spin up to full speed before the feed starts. If you are worried about it not reaching speed after you have done a FEEDHOLD push SINGLE BLOCK. Then when you do CYCLE START it does spin up first because the feed does not start until you do a second push. But remember to turn SINGLE BLOCK off first. EDIT: missed a word
__________________ An open mind is a virtue...so long as all the common sense has not leaked out. Last edited by Geof; 06-21-2007 at 10:25 AM. |
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#4
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| If the MTB did it right, the machine should wait for the up-to-speed signal from the spindle drive after a M3/M4, before any further commands are processed. Normally a feed hold by the F.H. PB should only stop the servo's. Al.
__________________ “Logic will get you from A to B. Imagination will take you everywhere.” Albert E. (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |
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#5
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| It is possible to prevent this by over riding the door interlock but that is risky because then it is possible to start a program running with the door open. If you have never ever pushed the wrong button on the control panel and know you will never push the wrong button do it this way. I am fallible and have pushed the wrong button and don't like a machine kicking into action when my head is inside looking at something. My way with SINGLE BLOCK is the safest and most convenient.
__________________ An open mind is a virtue...so long as all the common sense has not leaked out. |
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