Author Topic: DIY articulated robot arm  (Read 5045 times)

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Offline PIT833Topic starter

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DIY articulated robot arm
« on: November 06, 2013, 12:19:38 PM »
My first robot arm project

DIY Articulated industrial robot arm III
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Offline jwatte

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Re: DIY articulated robot arm
« Reply #1 on: November 06, 2013, 09:17:06 PM »
That looks a lot more rigid than most "first arm" projects I've seen. Looks very nice!
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Offline PIT833Topic starter

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Re: DIY articulated robot arm
« Reply #2 on: November 06, 2013, 10:37:46 PM »
All these part are used part , It looks rigid due to high torque of gear box (Max load of gear is 15 kg ). Total cost for this arm is 2000 US
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Offline jwatte

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Re: DIY articulated robot arm
« Reply #3 on: November 07, 2013, 01:48:42 PM »
Also, I would assume that those thick aluminum beams contribute to rigidity?
(Btw: Rigidity is a good thing here! Minimizing flex and backlash is super hard, so I'm impressed by what I see in your video.)
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Offline PIT833Topic starter

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Re: DIY articulated robot arm
« Reply #4 on: November 07, 2013, 07:15:49 PM »
Yes,RIgidity is concern with thickness and length of aluminuim beam.. If this prototype is complete and testing passed the next improvement I will design each joint to be modolar and make it stronger ..
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Offline PIT833Topic starter

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Re: DIY articulated robot arm
« Reply #5 on: May 01, 2014, 03:23:28 AM »
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Offline gerard

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Re: DIY articulated robot arm
« Reply #6 on: May 01, 2014, 08:32:36 AM »
very nice!
looks very precise :)
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Offline PIT833Topic starter

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Re: DIY articulated robot arm
« Reply #7 on: May 01, 2014, 08:18:16 PM »
I think it's not precise enough due to i used planetary gear not harmonic gear  :'(
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Offline jwatte

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Re: DIY articulated robot arm
« Reply #8 on: May 02, 2014, 10:40:59 AM »
Precise enough for what?
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