A 7 function manipulator...

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Ian MacKenzie
Posts: 160
Joined: Jan 3rd, 2014, 10:04 pm
Location: Vancouver B.C. Canada

A 7 function manipulator...

Post by Ian MacKenzie »

Don't get excited, I haven't built one yet. But i'm playing around with a few ideas for one.
After seeing Steves 3D printed manipulator and ROV Reboot(all hail Steve Thone), i thought about making a whole arm. I
made a mock up out of foam to give me a starting point. I looked into different ways to power it and I'm thinking of going hydraulic.
I bought a ram, pump and valve from http://www.magomhrc.com/en/13-hydraulic-parts to play with.
If any of you have any ideas, post them.
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TigerShark
Posts: 108
Joined: Jan 7th, 2014, 2:43 pm
Location: Washington State

Re: A 7 function manipulator...

Post by TigerShark »

It looks like you are the right track. Those RC hydraulic systems seem the way to go.

I am sure you already know about this one:
http://archives.marinetech.org/rov_comp ... 0ENGv2.pdf

What do you expect this to cost?
Ian MacKenzie
Posts: 160
Joined: Jan 3rd, 2014, 10:04 pm
Location: Vancouver B.C. Canada

Re: A 7 function manipulator...

Post by Ian MacKenzie »

The rams are about $55 and the valves range from $70 for one to $210 for a six way. Hopefully will only need one pump.
The arm itself shouldn't be much if it's printed. Of course I still have to buy a printer and learn how to design and use it.
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TigerShark
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Joined: Jan 7th, 2014, 2:43 pm
Location: Washington State

Re: A 7 function manipulator...

Post by TigerShark »

Will you have to build a housing for the pump? I wish the stuff was cheaper but it is very specialized. Looks like it will be a $1000+ project but I guess that is cheap compared to commercial stuff!
Ian MacKenzie
Posts: 160
Joined: Jan 3rd, 2014, 10:04 pm
Location: Vancouver B.C. Canada

Re: A 7 function manipulator...

Post by Ian MacKenzie »

The pump and valves will go in a wtc and run the hoses out to the arm. I'm still working on how to rotate the arm and claw and actuate the claw. I'm thinking maybe a flexable shaft, like a bicycle brake cable or Dremel flex shaft.
Magom sells the individual parts for the rams, so anyone with a lathe could make their own cylinders and shafts and just have to buy fittings. That would cut down the cost.
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TigerShark
Posts: 108
Joined: Jan 7th, 2014, 2:43 pm
Location: Washington State

Re: A 7 function manipulator...

Post by TigerShark »

Do they have hydraulic rotators? I know there are pneumatic ones.
Ian MacKenzie
Posts: 160
Joined: Jan 3rd, 2014, 10:04 pm
Location: Vancouver B.C. Canada

Re: A 7 function manipulator...

Post by Ian MacKenzie »

Finally got the pump and valve hooked up to the RC controller. Just have to connect the hoses and prime it and see how it works.
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Ian MacKenzie
Posts: 160
Joined: Jan 3rd, 2014, 10:04 pm
Location: Vancouver B.C. Canada

Re: A 7 function manipulator...

Post by Ian MacKenzie »

I got the Magom hydraulic kit hooked up to a Traxxas RC controller and installed it on a foam manipulator mock-up. I think this might work.
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Silver dollar
Posts: 75
Joined: Feb 20th, 2011, 3:03 pm
Location: Munkedal, Sweden

Re: A 7 function manipulator...

Post by Silver dollar »

Wow, that looks great!
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