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Type: Posts; User: Ashley Cobb

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  1. Replies
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    Excellent diagram,thanks so much John, I have...

    Excellent diagram,thanks so much John,

    I have decided the best way to go will be to replace the reluctance proximity "home" switches with mechanical limit switches.

    I personally believe that...
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    I completely agree, I retrofitted another machine...

    I completely agree, I retrofitted another machine last year which was 24v signal, and it went fine, though this machine does have a lot more issues than that did.

    I can't help but think I should...
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    Hi Al, Thanks for your help, I really do...

    Hi Al,

    Thanks for your help, I really do appreciate it.

    Yes we are replacing the ubiquitous NCSTUDIO with Mach, including replacing the PCI IO card with a parallel port breakout board.

    The...
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    Thanks Mike and Al. Yes it is a chinese spindle....

    Thanks Mike and Al. Yes it is a chinese spindle. We tied the earth to the spindle thought the 4th conductor and the star point of the system as suggested.

    I am convicned that the limit switches...
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    Thanks Mike, I really appreciate the help. I...

    Thanks Mike, I really appreciate the help. I will try your advice today and let you know how it goes. John, thanks for your help also.
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    The electronics enclosure has now been earthed as...

    The electronics enclosure has now been earthed as it was not and did not meet australian standards. As this was one of the first thigns I did, I do not know if it made things worse or better. I did...
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    It's a Moretti brand CNC router, Yes the...

    It's a Moretti brand CNC router,

    Yes the spindle is well earthed, yes the earth points are bare metal and yes the earthing is a common point, to avoid ground loops.

    There are 2 things I can...
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    False triggering of limit swtiches

    Hello,

    I am retrofitting a machine going from NCSTUDIO to Mach3. It has a proprietary control card built into the pc and the breakout board is nothing more than an DB15 plug breakout board.

    I...
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    Just sent you an email, I recently converted a...

    Just sent you an email, I recently converted a NCstudio machine to Mach3 which went well. Am on Northside brissy but don't mind driving to perv on other sheds. Cheers... Ash
  10. Replies
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    I would be keen on a get together too

    I would be keen on a get together too
  11. Replies
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    Looks like removing the compound slide will be a...

    Looks like removing the compound slide will be a big help, then.

    If we didn't admit to our mistakes that embarrass us, we would have no incentive to avoid further embarrassing mistakes in the...
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    Hey Neil, After your reply I went and...

    Hey Neil,

    After your reply I went and inspected the lathe, and sure enough, the compound slide had moved from the 0 degree indication!

    It is tight, but it confirms that a) the rigidity of the...
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    Thanks for the tips, the tool holders were...

    Thanks for the tips, the tool holders were definitely tight.




    Thanks for the tips on the brass gibs, I will grab some once this infernal christmas is finished with.

    The plan going from...
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    I was taking 0.2mm cuts which I didn't think was...

    I was taking 0.2mm cuts which I didn't think was excessive, running at about 1000rpm, it is also 2011 aluminium which should be free machining.

    I can see that the RPM is too high, which is my...
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    I will try putting a decent radius on the...

    I will try putting a decent radius on the internal corner and see if that helps, because at this stage I don't need a perfect sharp shoulder (it won't be sharp anyway, because of the nose radius)
    ...
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    Thanks fizzissist, Unfortunately that is...

    Thanks fizzissist,

    Unfortunately that is something my little lathe is sorely lacking.

    I know a few people remove the compound slide and replace it with a solid block, so I might try that.
    ...
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    Lathe - Gouging at shoulder?

    Hey guys,

    I recently CNC'd a little chinese lathe.

    I am using 55 degree diamond inserts mounted at 93 degrees to the lathe. I have left and right holders. The inserts have a .4mm radius on...
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    There would be a lot of people keen on attending...

    There would be a lot of people keen on attending meetings, just seems that no-one wants to organise.

    A well set-up workshop or business would be great; I can't offer anything yet as I am still...
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    I don't think vcarve will do it, you really need...

    I don't think vcarve will do it, you really need aspire. I forget, can you import dxfs into vcarve?
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    I just wanted to say thanks for posting these...

    I just wanted to say thanks for posting these pictures and descriptions. I am watching with eager anticipation!:cheers:
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    It turns out that Borys has somehow deleted all...

    It turns out that Borys has somehow deleted all his 2009 emails.

    Best thing to do would be to go back through the old threads and PM the details to all the guys that posted in the threads.
    ...
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    I just sent an email to Borys, who should have...

    I just sent an email to Borys, who should have the email lists of the guys that came to the last ones.

    Thanks for taking the initiative to host a meeting.

    I will be there and I can talk a bit...
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    It's a matter of getting everyone to talk about...

    It's a matter of getting everyone to talk about their projects and place items for discussion.

    You can do as much or as little as you like, I'm sure the guys would be fine with pizza for lunch,...
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    Justin, Organise a meeting and I can make sure...

    Justin,

    Organise a meeting and I can make sure it goes out to all the guys that previously attended.

    I still keep in contact with some of the guys and most would be keen on getting something...
  25. Thread: New Member

    by Ashley Cobb
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    combine it with a 3 axis stepper driver, breakout...

    combine it with a 3 axis stepper driver, breakout board, power supply and pc and you've got yourself a CNC mill...
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    If you've got someone helping with your stuff,...

    If you've got someone helping with your stuff, then great, stick with them. If you need help with anything though don't hesitate to ask.
  27. don't touch those chinese machines with a 10 foot...

    don't touch those chinese machines with a 10 foot pole, the redsail laser my mate had was dodgy as, terrible alignment issues, and the laser power supply went after 10 hours and don't get me started...
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    jonno, do you think shipping from brisbane to nz...

    jonno, do you think shipping from brisbane to nz would be too cost prohibitive ;)
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    See attached :wave:

    See attached :wave:
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    Can't beat CNC for finishing - the necks come out...

    Can't beat CNC for finishing - the necks come out so smooth they hardly need any sanding. Not to mention accuracy and repeatability.
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