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Author Topic: A 6 DOF robotic arm as a CNC machine?  (Read 1340 times)
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Hi,

I have always dreamed of cheap 5 axle CNC machining mill. It should be possible to CNC-machine a car with that or similar complex object like a human head.

Once I am good to make excellent modelings with Rhinoceros I would like realize these modelings too in real life.

But is there any sense to buy a low cost 6 DOF robotic arm from ebay and use it as a tool like this:

http://www.ebay.com/itm/New-6-DOF-Manipulator-Aluminum-Robot-Arm-Kits-for-Smart-Car-Base-/160998716216?pt=LH_DefaultDomain_0&hash=item257c457338

Is it really difficult to program arduino make whatever form from .stl files in order to CNC machine them with this kind of robotic arm?

Maybe the table where the machinable object is fixed could have such an function that it could rotate with a servo. But I think that in theory a robotic arm with a

table like this should be able to machine whatever form.

Please tell me your opinions of a plan like this. Many thanks in advance.

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I found a machining open source software like this for Linux...

http://www.linuxcnc.org/

It probably helps in this issue.
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Quote
But is there any sense to buy a low cost 6 DOF robotic arm from ebay and use it as a tool like this:

No.
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Consider the daffodil. And while you're doing that, I'll be over here, looking through your stuff.   smiley-cool

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Not enough:

accuracy
torque
range

with that price point.

You could probably do it for around ~$15,000+, looking at the prices of appropriate DOF welding robots on ebay.
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