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Type: Posts; User: eSilviu

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  1. Replies
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    use the settings as in attached image:

    use the settings as in attached image:
  2. Replies
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    1,716

    Latest beta of CncUsbController, from CNC USB...

    Latest beta of CncUsbController, from CNC USB controller can import correctly gerber files for PCBs. I have tested the feature only once, but seemed to work ok.

    there may me some other...
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    Cadsoft Eagle could help you to draw a correct...

    Cadsoft Eagle could help you to draw a correct schematics, create a board according to the schematic, and export a g-code file from your board.
    In Eagle, plugins are called "ulp"s, are in c-like...
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    2,706

    if you pay attention at 2:53 in the movie, to cut...

    if you pay attention at 2:53 in the movie, to cut a full length line, the cake is rotated 180 degree in the middle of the line.
    So it seems to me that to cut 24" line, the table needs a lot less...
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    For R6 it should be simple: circle is tangent to...

    For R6 it should be simple: circle is tangent to the vertical line.
    for R114... simply there isn't sufficient information.
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    Eagle. use the latest version to be sure that...

    Eagle. use the latest version to be sure that files are opened properly
  7. Replies
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    5,064

    I have attached two versions. I have used the one...

    I have attached two versions. I have used the one with SMDs.
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    no, there is no chance in using USB/parallel...

    no, there is no chance in using USB/parallel adapter.
    But you could use (with far better results) a CNC USB controller. All of this controllers uses microcontrollers that must be programmed prior to...
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    imho, for hobby, this are exactly the needed...

    imho, for hobby, this are exactly the needed components. It will not make a perfect machine, but the builder will see where are the weakest points of the structure.
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    It's easier to first drill and then expose the...

    It's easier to first drill and then expose the board to UV :p
  11. Replies
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    1. why not using the original tape head? if it...

    1. why not using the original tape head? if it can read audio frequency (20kHz). If I've made the computations right: 20kHz with original speed of 5cm/sec means 1 pulse/2.5um - way lower than needed...
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    all inkjet printers do have linear or disk...

    all inkjet printers do have linear or disk encoders.
    None of the laser printers have such thing.
  13. Replies
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    I like your idea, It should work if the magnetic...

    I like your idea, It should work if the magnetic head/sensor can work at very low speed.
  14. Replies
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    see my version here:...

    see my version here: http://www.etc.ugal.ro/sepure/projects.html#proiecte_rezolvate
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    voltage will never create heat, current will! So...

    voltage will never create heat, current will!
    So I think that you have set the current too high for that motors.
    (It may be a resonance problem too, but I doubt)
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    Wouldn't be this the reason ESTOP was invented ?!...

    Wouldn't be this the reason ESTOP was invented ?! :rolleyes:
  17. Replies
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    CNC for tattoos?!

    Just found this link CNC to draw tattoos and wanted to share-it.
    Page is in Russian but pictures are universal.
    http://www.kokoko.ru/uploads/posts/2011-03/1299360800_1299307040_auto-ink-3.jpg
  18. look closely here:...

    look closely here: http://www.cnczone.com/forums/attachment.php?attachmentid=47195&d=1195755635
    sounds similar?! :D
  19. Replies
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    68,931

    here is my approach. (circuit and currents on...

    here is my approach. (circuit and currents on R_shunt)
  20. Replies
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    2,003

    what about soap? I never tried, but it should work

    what about soap? I never tried, but it should work
  21. Replies
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    +1

    +1
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    do you think that this urethane will allow...

    do you think that this urethane will allow milling some Al?
    on PCB, MDF and plastics it will work for a long period of time, but for aluminum will be higher forces in the nut...
    What about abrasive...
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    I see no trace of this new IC in Europe. At least...

    I see no trace of this new IC in Europe. At least for now.
  24. Driver is build at home? What's the value of...

    Driver is build at home?
    What's the value of TBA? (R2 and R4 in schematic)
  25. Thread: I want a job

    by eSilviu
    Replies
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    566

    I have nothing about this country... I'm against...

    I have nothing about this country... I'm against people that govern-it... in such a disastrous way for the people. We see everyday luxury for governors, and poverty for people... I (1 man) can't...
  26. from the A4983 datasheet, the "output ON...

    from the A4983 datasheet, the "output ON resistance" of power transistors is about 0.3ohm. Let's do a simple math:
    2A/coil = 2A in the power transistors;
    there are 4 transistors/coil, but
    only 2...
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    in inglis pliz...

    in inglis pliz...
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    if the motor is like the one pictured in the...

    if the motor is like the one pictured in the first page of the thread, then it's a 3 phase motor. The controller will convert the DC voltage from power supply to a variable frequency 3 phase AC to...
  29. or this one:...

    or this one:
    http://www.cnczone.com/forums/linear_rotary_motion/110965-acme_screw_r_p.html
    I think it will work with cheap acme too.
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    I like your idea. It's the cheapest R&P solution...

    I like your idea.
    It's the cheapest R&P solution you can use, and seems to work just right.
    It was one of the moments "why I didn't think of that?!!!"
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