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Type: Posts; User: rvectors

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  1. Replies
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    Re: LinuxCNC vs Centroid

    Ok I did some more digging, and saw some informative posts by @mactec54. I must confess what little I do know, is more likely to be dangerous (and posts often contradict each other) but I don't think...
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    Re: LinuxCNC vs Centroid

    Thanks guys, appreciate the help.


    Yeah the Centroid looks attractive for the reasons outlined. Costs are $540 vs $200-280 but I do believe in paying to save money later.

    Saying that, the...
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    LinuxCNC vs Centroid

    Another vs thread, bit boring I know but useful to get opinions from the more experienced.

    Centroid (Step/Dir only)
    Cost:Starter kit $299
    Pro version + $139
    Digitized + $399
    Requires Windows...
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    Re: Advise me a good program to compare files.

    Second WinMerge. Long time since i used but it supported a number of file formats, and saved many hours.
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    Re: Persuade me not to go DMM servo

    Thanks guys, and yes that's exactly what I meant


    I had pretty much decided on servos for that very reason but spending 3 times the amount, eats into funds that could be used to kit out other...
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    Re: Centroid or DMM Bob + UC400ETH

    PCW_MESA, shineworld, thank you both for those suggestions
    and OlfCNC, thank you, help like this is invaluable.
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    Persuade me not to go DMM servo

    Rather glib title I know but the the thread is a serious one.


    I've pretty much decided to go DMM servo (Nema 23 equivalent) when putting together a CNC setup I'm considering.

    For all the...
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    Re: Centroid or DMM Bob + UC400ETH

    Thanks Mactec, said before but I do appreciate the help.

    All the different options are coming out of my ears but I'm starting to home in on the build.
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    Re: Centroid or DMM Bob + UC400ETH

    Cheers ger, interesting.

    Yes, I meant the package deal they do with UC400, with import/delivery costs, I'm probably looking at around £190. Centroid will be more expensive (£260 min), and that's...
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    Centroid or DMM Bob + UC400ETH

    Has anyone got working comparisons (used with DMM servos) between the Centroid Acorn vs DMM BoB + UC400ETH.


    The DMM BoB looks basic but robust, and the UC400ETH comes with UCCNC, which is well...
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    Re: Linear Toroidal PSU for DYN2+400W DMM servos

    Thanks John, Mactec appreciate the help.

    I must confess I do not (yet) have the required tools to give me that granular measurement... I had been working on the assumption of around that...
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    Re: Linear Toroidal PSU for DYN2+400W DMM servos

    Thanks guys.

    ger21. True but I've read many conflicting 'best practice' designs, and a few electrical engineers get hot under the collar when people suggest using two hots (series), rather than...
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    Re: Linear Toroidal PSU for DYN2+400W DMM servos

    I'm referring to the secondary outputs that already come with the Tx when purchased, rather than custom overwinding. The overwinding was only a possible option, the main area was picking the correct...
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    Re: Linear Toroidal PSU for DYN2+400W DMM servos

    Thanks AI (I saw some of your previous posts with helpful info re linear PSU... actually I think it was why I started looking into it.)

    I've got some idea of the circuit design, including the...
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    Linear Toroidal PSU for DYN2+400W DMM servos

    I'm thinking of using the above servos and was looking at the option of putting together a linear PSU. (240 input)


    Now, I have zero experience in CNC, or building a PSU. I'm busy learning what's...
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    Re: Closed Loop CNC

    I was all set on which motors I'd use (57N-DHT/640-DST), then after reading this thread, I'm back to being undecided.

    (brief background. I have absolutely no prior CNC experience, and any...
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