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The cardan-gear mechanisms invented by Girolamo Cardano in the 16th century is used to convert rotation motion to reciprocating linear motion without using linkages or slideways. In order to achieve this the gear ratio of the large gear to the small should be 2/1.

Cardan-gear mechanism image

The image above shows that the length of the arm is equal to the distance between the center of the large gear and the outer small gear. If this distance is equal to D, than the tip of the arm travels 4D for each revolution of the triangle block.


reza
08 May 2013

very useful for me

mahesh
14 May 2013

It's very useful for me when studying the mechanism chapters in engg

mahesh
14 May 2013

Nice explanation

marc-andre menard
19 May 2013

i am interested to get the dxf of this : menardmam@hotmail.com, thanks

Rahul
11 Jul 2013

Can anyone say an equation for the distance moved by the center of arm for various position (angle) of the triangular link?

dhiraj hande
26 Sep 2013

thanks for such a information..........

sv
22 Oct 2013

it's very nice to understand

Jay
16 Jan 2014

beautiful peice of mechanism...

Talha
22 Feb 2014

Very nice. i just start the playing with gear. kindly share the others mechanisms like this.
thanks
Talha

ruturaj arale
07 Sep 2015

good

juliette
05 Jun 2017

This helped me so much thank you!


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