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Easy To Make Robot Grippers?

For an upcoming project I need a simple, easy to make, cheap robot gripper. I have some ideas but I want to see what the community can come up with.


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Synthiam
Canada
#20  
lol just somthing.....good idea... the junk bot. lol now my gears are turning......
#22  
vhs, These are interesting sculptures. The 5 ton one especially.
Canada
#23  
That's what I thought too. Ideas can come from anywhere. If I can find the plans I have for this hand I made from bike chain and ruberbands and fishing line. I will post it.
#25  
Thanks dude! These are interesting designs. Thinking of using all these designs to make my own gripper.
#26  
Heres my idea. Using part of the gripper design that's like the one in the shop, and the beetle like gripper rgordon posted I made this. Parts sized and everything. Comments? Changes? Also need to figure out what material to use.

User-inserted image
#28  
Aw dude! This is better, way better. Don't worry, I knew my design wasn't that original. Ill play with this idea.
Thanks!
#29  
Here's my interpretation.

User-inserted image


Huh? Huh? Yes I know the gear on one side needs to be offset a little so the teeth link up with the "fingers" straight. This was a quick job. ill do more to it to make it proper in a bit.
Canada
#31  
Techno pro. I think that looks good.there might be some play in the teeth of the gears. What about a mini servo for each claw. Or "finger". Its just a thought.
#32  
@vhs896, That would work but it's just as easy and cheaper do use the geared setup.

@Aameralis Thanks dude! Ill take a look. If you want, you could try do build the whole mechanism that I have shown.
#33  
So, what do you guys think I should make this out of?

Acrylic?
A kind of wood?
#34  
Dj is making a bigger ez-bit gripper if you want to try that
#35  
I'm aware of that. Just thought I would finish this design in case I don't like the new gripper.
PRO
Canada
#37  
You guys see this gripper on hackaday yesterday?

I'm very tempted to give it a try. I might be able to utilize an old hack I came up with or just use a chapstick or gluestick tube instead.
#38  
That could be modified to use the glue stick to pull the points of the fingers in or out. maybe not flexable fingers but still similar concept.