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  1. 13th November 2020, 10:15 PM #1
    wayne's wood
    wayne's wood is offline Intermediate Member
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    Jul 2008
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    Default CNC flooded, awaiting rebuild

    Have had the router motor rebuilt. Now to stepper motors / drivers. If we replace existing units with new, going coloured wire to coloured wire one at a time, are we on the right track?

    The units in question would be 4 x stepper motors (Type 85BYGH450B-06D-15J) and drivers (Model MD882). I believe at least the MD882 has been superceded.

    This outfit had a large air suction unit originally attached, but this has been done away with. The original power requirement for this outfit was 3-phase. Having done away with the suction, would I be correct in assuming 15 amp would be sufficient (depending on the draw of the router motor)?

    Any help would be appreciated.
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  2. 13th November 2020 10:15 PM # ADS
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  3. 14th November 2020, 10:09 PM #2
    elanjacobs
    elanjacobs is offline Taking a break
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    Default

    I hope you're going to be replacing the suction unit because the amount of dust CNCs generate is insane. Also, expect your too life to decrease without extraction; heat kills cutting edges, extraction helps keep the heat down by both removing hot chips as they are made and ensuring a constant flow of cool air over the tool.
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