pmbov
Mechanical
- Apr 5, 2011
- 28
Good day fellow Engineers,
A co-worker and I are having a discussion about a ball and socket mechanical joint. He says the reason for a ball joint is so the ball can move freely, and the socket force load is ALWAYS normal to the center of the socket (cup). So, he says to set up a FBD. So, I was looking on the web to find one and I was not very successful. The crude pic attached shows my configuration.
-CP1 is the center point of both the ball and cup, as is CP2. Both center lines of the gray parts are assumed to be parallel. The far-right gray part (cup part) is fixed.
My thoughts:
The force is applied to face shown and translates to CP1. The reaction force on CP2, are vector components of the force from CP1 (the normal force on CP2 is at an angle from the original F1. Therefore, there is a moment about CP2.
There is buckling at both ends of the necked down diameter and the rest of the orange part is in compression.
Can I get some help on finding a good text or web page showing the FBD of this type of set up (or at least a close one)?
Thank you all in advance for any help.
A co-worker and I are having a discussion about a ball and socket mechanical joint. He says the reason for a ball joint is so the ball can move freely, and the socket force load is ALWAYS normal to the center of the socket (cup). So, he says to set up a FBD. So, I was looking on the web to find one and I was not very successful. The crude pic attached shows my configuration.
-CP1 is the center point of both the ball and cup, as is CP2. Both center lines of the gray parts are assumed to be parallel. The far-right gray part (cup part) is fixed.
My thoughts:
The force is applied to face shown and translates to CP1. The reaction force on CP2, are vector components of the force from CP1 (the normal force on CP2 is at an angle from the original F1. Therefore, there is a moment about CP2.
There is buckling at both ends of the necked down diameter and the rest of the orange part is in compression.
Can I get some help on finding a good text or web page showing the FBD of this type of set up (or at least a close one)?
Thank you all in advance for any help.
