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Type: Posts; User: Davidh

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  1. Replies
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    Thanks for your help.

    Thanks for your help.
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    Thanks for looking at this

    Thanks for looking at this
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    ..still not happy:drowning: I want my...

    ..still not happy:drowning:

    I want my acceleration back. Today I fitted new drives and power supply. I have loads of amps and volts, steppers are cooking:) and my machine still does not like this...
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    I don't think that is the case because 1 I...

    I don't think that is the case because


    1 I can rapid all 3 axis together at a much higher(5 times higher) acceleration and speed than the trouble senario.

    2 During the above test I can...
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    Driver ...

    Driver

    http://www.routoutcnc.com/2-5ampdriver.pdf


    Stepper..2.4A/phase 4 wire from these people

    http://www.sonceboz.com/medias/produits/fiches-techniques/6600-20-v08.pdf
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    AMD athalon64 3200 2.01GHz 960ram

    AMD athalon64 3200


    2.01GHz 960ram
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    Just to report back, I have taken the advice and...

    Just to report back, I have taken the advice and reduced my accel. to half of what it was and ran many hours without trouble.:)

    My machine can 'straight line' accelerate all 3 axis much faster...
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    When it does the rapid, that's when it looses...

    When it does the rapid, that's when it looses steps....Yes indeed.


    Change that hilighted line to read G1X150.564Y49.998...I understand what you are proposing ,Neil, It is a get arround but not a...
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    Fix the backlash.....Have to work with what i...

    Fix the backlash.....Have to work with what i have got.


    If you replace the G0 codes with G1....I don't know what this means. The code comes out of Vcarve. Am i using the wrong post processor?...
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    0.1 right now. It has been at 1, .001, .0001 all...

    0.1 right now. It has been at 1, .001, .0001 all with the same effect.

    Thanks
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    Admitting defeat..Stepper stalling

    Time to pull in the big guns. I have taken this as far as I can.

    V carve pro CAM software
    Stepper driven mill.
    Backlash compensation enabled(15%). The trouble clears when compensation is not...
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    Poll: Lots of recomendations. Could I add another...

    Lots of recomendations. Could I add another criteria.

    NOISE!

    If you have a super silent spindle, 500w-1000w tell me about it.

    That way I could run long long jobs unattended through the night...
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    Thanks for the recomendation , for now I'd rather...

    Thanks for the recomendation , for now I'd rather persevere with what I have. So many hours invested already

    Let me show off my Shakespere:D
    " I am in blood Steeped so far that, should I wade no...
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    'I hope this helps you out,' In a word,...

    'I hope this helps you out,'



    In a word, Yes:) and thanks.

    I am not 100% clear what just happened there, I'll study it for a bit and get back.

    The bones of the problem is, then, that...
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    Thanks for your input, bill, I've played with...

    Thanks for your input, bill, I've played with wintopofree and have pretty much got what you have shown.

    Attached is more of the sort of detail I am trying to achieve. This is celtid md font...
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    ...DRILL SERVICE(HORLEY)...

    ...DRILL SERVICE(HORLEY)
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    I've uploaded an image, this is typical of what I...

    I've uploaded an image, this is typical of what I am trying to engrave/mill.

    If I can get an outline then I can hatch/pocket the black or white bits to achieve a result.

    Test image HERE
    ...
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    I think we can agree that Inkscape it not the...

    I think we can agree that Inkscape it not the tool for this job, that is converting/tracing bmp's to dxf's.
    Back to the drawing board:rolleyes:


    Thanks for now
  19. Thread: Engraving Text

    by Davidh
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    ...I cannot answer the corel question but maybe...

    ...I cannot answer the corel question but maybe can offer a solution.
    Use Deskengrave, free download program to generate the text as g code or dxf. Do the text with another hit or maybe import it...
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    ...any other experience of this 'problem'? Am...

    ...any other experience of this 'problem'?

    Am I trying for something that doesnt work?

    TIA
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    Still struggling with this inkscape. All...

    Still struggling with this inkscape.
    All threads I've searched everyone is singing the praises of Inkscape. i cannot get anything useable to export as DXF. The best i can get is fragments , maybe...
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    If you just want to see it do something you could...

    If you just want to see it do something you could wire the 5v through a micro switch and click it as fast as you can.

    ..more adventurous than that? rub it up and down a comb.

    ...even more?...
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    ....that's the one:cheers:

    ....that's the one:cheers:
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    How about a darlington pair transistor control. ...

    How about a darlington pair transistor control.

    Darlington Pair

    Variants can drive up to 3 amps, even more I'd expect but am not qualified to advise, I recently constructed the linked circut to...
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    ...i made this up. It consists of a 7812 (12v)...

    ...i made this up. It consists of a 7812 (12v) and a 7805 (5v) power voltage regulator.They cost very little ,are available in 18v and 9v variants. google will tell you more and with better accuracy...
  26. Lots of helpful information there. Thanks for...

    Lots of helpful information there. Thanks for posting.

    I make patterns for the resin casting industry and also use wax, the expensive stuff! It is the last time i'll buy that.
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    Thank you jeff. So what I am planning will...

    Thank you jeff.

    So what I am planning will work but is not the best solution. Better to use another driver for that extra motor.
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    @dairmaid http://www.radionics.ie...

    @dairmaid

    http://www.radionics.ie


    ...which is RS except it is for the Irish market, they have a trade counter in Dublin
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    Driving two step motors off one drive

    Driving two step motors off one drive,

    It is time to build a bigger router. My first is a converted milling table and the second will be a gantry type. I would like to use a leadscrew at each end...
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    That is the answer! Many thanks I was using...

    That is the answer!

    Many thanks

    I was using version .43. and have just updated.


    thanks again

    David
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