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Wally Z axis alternative linear designs

Posted by see3d

realthor

Re: Wally Z axis alternative linear designs
April 20, 2015 07:31AM

Registered: 9 years ago
Posts: 1,035

funny thing ...

"Sarrus's linkage

Historically, the first straight line linkage was described by Sarrus in 1853. It differs in that its parts move in three dimensions. It is applied widely in jacks, elevating platforms and similar devices.
"

Sarrus's linkage video on youtube

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cozmicray

Re: Wally Z axis alternative linear designs
April 20, 2015 01:38PM

Registered: 11 years ago
Posts: 1,049

realthor

I realize you like to use the most complicated design possible just because it is!
Would the sarrus mechanism be driven by a not linear cardioid drive just for fun?

What's wrong with a linear lift with lead screw?

[forums.reprap.org]

Nick showed the Sarrus lift back in Jan 2014

[forums.reprap.org]

As I was told RTFMs?

confused smiley

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realthor

Re: Wally Z axis alternative linear designs
April 26, 2015 09:08PM

Registered: 9 years ago
Posts: 1,035

I have read this thread a few weeks ago and noticed the animation in the same post you linked me to. I never knew about the Sarrus linkage and when I stubmled on it somewhere on the internet I remmembered seing it in this forums. I thought that after so many years we're still falling back to that solution sometimes, at least conceptually. That's why I thought it was funny.

Cheers.

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