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  1. Re: Reducing noise during run with box enclosure

    Absorption depends on the area of reflecting surfaces covered, in a reasonably linear way, so don't waste material trying to cover the Z axis as it is tiny in comparison. You need to cover a...
  2. Re: Reducing noise during run with box enclosure

    Skydeals,

    If done correctly then it will make it a lot quieter. But there are some things to note -

    The wood is a barrier to stop the noise getting through, but needs to be fairly well sealed...
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    Re: Router cutters

    i always keep my eye on ebay,

    last month i grabbed a 1/2" shank trend cove cutter.
    thats £60 ish new for under £5 delivered.

    yer ok it was 2nd hand but wasnt damaged and had little use.
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    10,292

    Re: Router cutters

    Have a look at the links here;
    I use Toolstation for cheap but useful straight cutters;...
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    11,380

    Re: Basic 540 CNC. Motors skipping pulses?

    The spec says it can do;
    "positioning speed 2000 mm/min"

    so as you quoted inches that's 78.7 in/min

    That's why it works below 100 in/min.

    Edit: Ha ha it happens all the time, posted same...
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    Re: Basic 540 CNC. Motors skipping pulses?

    The way I read this and the specs is that the machine is only capable of 78"/min and you are saying it runs ok at 100"/min which is better than the spec of the machine. Unless I am missing...
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    Re: CNC newbie electronics query II

    For BOB-> drivers, I would suggest a short length of 4-core screened from Maplin as the quick option. I doubt if you will need enough to bother with eBay. Just ignore one core as Irving suggests with...
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    Re: CNC newbie electronics query II

    Oh dear, you have a lot to learn. Current is like water flowing in a pipe. If the pipe's too small it'll burst (get hot), but it doesn't matter if the pipe's too big. Voltage is like pressure...
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    Re: CNC newbie electronics query

    No. The screens are connected to the star point at the driver end. The correct way to do this is to separate out the braid and solder onto it some hook up wire (use 7/0.2 or 16/0.2) then fold it back...
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    Re: CNC newbie electronics query

    Few pointers other than Star Earth point mentioned.

    # Always put shrink wrap on the terminated ends and any connections of the braided shield wire of CY cable as strands of braids can come lose...
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    Re: CNC newbie electronics query

    "Im using Nema 23 (sy60sth88-300bf) motors (link is http://www.zappautomation.co.uk/elec...per-motor.html).

    So from what I gather, Ill connect all the screens to the star point from the motor...
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