Automatic Rebar bending machine

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30 Jul 2021 17:54 #216368 by shpatb
Hello , i hope You are all doing well .A guy showed at my workshop and asked me if I could build an automatic bending machine for steel rods for appliance in construction sites .Machine should look something like this :

I was wondering if anyone here has any kind of experience with this stuff to exchange any ideas for parts that are needed to build this kind of machine.
Kind regards 
Shpat
 

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31 Jul 2021 20:40 #216491 by andypugh
It looks like a relatively simple 3-axis machine.
It should be pretty easy to control with LinuxCNC, though I imagine that the G-code would need to be hand-coded.

I think that the rotating bend axis needs to be a true axis, then it can make other angles than 90 degrees and could also be used to make gentle curves (if the linear axis is strong enough)

More ideas (such as 3D bending here:
The following user(s) said Thank You: shpatb

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31 Jul 2021 22:02 - 31 Jul 2021 22:04 #216512 by shpatb
Thanks for reply Andy.
the bending axis should be build with servomotor with reduction , or an electromotor controlled by timer. (eg, wait 3 seconds and rotate the shaft for the product size as desired )
thanks Shpat.
Last edit: 31 Jul 2021 22:04 by shpatb.

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01 Aug 2021 16:24 #216623 by andypugh

Thanks for reply Andy.
the bending axis should be build with servomotor with reduction , or an electromotor controlled by timer. (eg, wait 3 seconds and rotate the shaft for the product size as desired )

I would use a servo motor with reduction so that the bender position was controlled closed-loop as a G-code axis. 
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02 Aug 2021 14:20 #216701 by shpatb
cool , thanks for Ur time!

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