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TR8*8 RAPID SPEED

Discussion in 'General Talk' started by Barry Danks, May 11, 2016.

  1. Barry Danks

    Barry Danks Veteran
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    I haven't used TR8*8 before what speed of rapids are possible?
     
  2. Ronald van Arkel

    Staff Member Resident Builder Builder

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    Hello @Barry Danks,

    I would recommend 2000mm/minute with stepper set to 1/4 on a 200 step motor on an analog driver. It depends on how well you build your actuator, use of digital or analog drivers etc.. I can do more than 2000mm/minute with a good build, 3000mm/minute isn't a problem with a tuned digital driver and a tight mechanical build. Resonance in your build is the problem you will be facing.

    -Ronald
     
    David the swarfer likes this.
  3. Barry Danks

    Barry Danks Veteran
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    Thanks all my builds are and use high quality components my last CnC held a tolerance of .009 in 4ft. :)
     
  4. Ronald van Arkel

    Staff Member Resident Builder Builder

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    0.23mm, darn, that's nice, was that rack & pinion and a router on hard wood? What was the electronics setup? I ask the last as on my opinion people do share the mechanical part of the machine but not enough the electronics behind it.

    -Ronald
     
  5. Barry Danks

    Barry Danks Veteran
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    All 1.5" and 4.5" T-Slots heavy duty extrusion 3" extrustion legs Roton ball screw on the axes and a 3/8 MIC6 top
     

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  6. Ronald van Arkel

    Staff Member Resident Builder Builder

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    Nice and sweet! Not your first build I presume :D. One of the first builds where I see some one implemented cable chain as it should be, with the right radius.

    And electronics?
     
  7. Barry Danks

    Barry Danks Veteran
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    No definetely not my first build. I have a tendancy to over engineer stuff...but it's solid and always lasts...:) Gecko 540 24V PSU 284oz nema 23's found ones with low inductance
     
    GrayUK likes this.

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