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  1. Replies
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    Re: Small metal Lathes / IE 350 to 50W machines

    If this is a typical size job then IMO and if you have room you would be better off with something bigger than a C3. Just looked on Arc Euro and it only weighs 40 kg.

    The job is within its size...
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    Re: Small metal Lathes / IE 350 to 50W machines

    In addition to this, particularly if buying from eBay, make yourself familiar with what's in the the "machine tool sets". Some sellers start off with these but sell the contents individually to make...
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    Re: Small metal Lathes / IE 350 to 50W machines

    One thing worth mentioning about the indexable tooling is not to get one of those sets with lots of different tools for a seemingly good price. Apparently they'll be poor quality, so you're much...
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    Re: Small metal Lathes / IE 350 to 50W machines

    Nothing wrong with that question.??

    DudZ for inside turning you need a Boring bar and for general outside or face turning then you just need standard tooling which comes in few forms.
    Have a...
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    Re: Small metal Lathes / IE 350 to 50W machines

    Hi dudz
    Just had a quick look @ that and you appear to get a 3 Jaw Chuck as standard, for turning(not milling) square stock you will require the optional extra of the 80mm 4 Jaw Chuck which should...
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    Re: Anyone got some 2.5D G-code please ?

    Think Art is included as part of trial , it allows bit more control over how it iterprets z-depth, its also twice the price to register.
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    Re: Anyone got some 2.5D G-code please ?

    meshcam
    MeshCAM - CNC Software - CAD/CAM Software

    15 day free trial , import a BMP and it`ll turn it into a 3D relief. Meshcam Art is included in the trial and gives you more control over...
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    Re: Anyone got some 2.5D G-code please ?

    You can download trial versions of all the vectric software for evaluation prior to buying & they all have sample files you can cut on your own machine, sorry don't have anything suitable myself as...
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    Re: Proximity Sensors / Mach3 not showing

    6543210987
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    Re: Proximity Sensors / Mach3 not showing

    assuming 1.2v forward voltage on the opto means that the existing series resistor is (5 - 1.2)/.007 =542, so probably 560R. the suggested series resistors of 1,5k for 12v and 3k for 24v give...
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    Re: Proximity Sensors / Mach3 not showing

    mycncuksucks
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    83,554

    Re: Proximity Sensors / Mach3 not showing

    xyz123abc.
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    83,554

    Re: Proximity Sensors / Mach3 not showing

    Resistor overheating isn't the limiting factor. With 200 ohms you'd have 5/200=25mA. The parallel port can (apparently) only source/sink about 14mA, hence to avoid damaging the port if connecting...
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    Re: Proximity Sensors / Mach3 not showing

    abcdefghij
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    83,554

    Re: Proximity Sensors / Mach3 not showing

    8901234567
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    Re: Proximity Sensors / Mach3 not showing

    allmyworthwhilepostsaregoing
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    Re: Proximity Sensors / Mach3 not showing

    It doesn't say in the listing (Edit: Just spotted the datasheet in the eBay listing, which does say open-collector), but the inductive sensors are probably an open collector output, in which case you...
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    Re: Proximity Sensors / Mach3 not showing

    This is just as unlikely to work as the problem could be switching reliability at the 5v end of the operating supply voltage range. The BoB I use is voltage switchable would not run the sensors at...
  19. Thread: Mach3 / cambam

    by John S
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    Re: Mach3 / cambam

    Plunge means move Z
    No plunge rate means the tool wont move, set it to 350 also.
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    WANTED: Re: Head Tram Square

    Just use one normal dial indicator. If you mount it on an arm, which can just be a bent piece of steel bar, you can take measurements at 4 points (i.e. 12:00, 3:00, 6:00 and 9:00 on the clock) and...
  21. Thread: 1605 ballnuts

    by Swarfing
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    Re: 1605 ballnuts

    Dudz

    Looking at your drawing the out most holes for the nut show 38mm, but the mounting holes show 60mm between cntres. the drawing looks like they should be roughly in line. Can you just check...
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    Re: 1605 ballnuts

    I'd say they would be the same and conform to a standard on the mounting holes, would like to think the same for the rest of the nut dimensions but can only guess at a yes.

    .Me
  23. Thread: 1605 ballnuts

    by Swarfing
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    Re: 1605 ballnuts

    cnc4you advertise it as an RM and there stock code is SF. I would like to say they are the same beast because i am sure i have ordered both in the past and they all look the same? trouble is is what...
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    Re: best stepper driver???????

    Not a lot to choose. More expensive and no better than a decent PP card but has the option of being able to use laptops and any USB interfaced computer.

    There is an argument that PP port equiped...
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    Re: best stepper driver???????

    You are just buying what I posted to but you are prepared to pay £149.82 for it.

    However if you buy three of the drivers i linked to [ which are exactly the same ] for £24.76 = £ 74.28 and this...
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