Kinematic equation for 4-bar linkage

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gpriyavct
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Looking For Help to derive the kinematic equation for the 4-bar linkage shown; (to find the angular position of the cylinder at different values of theta )
 
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gpriyavct said:
Looking For Help to derive the kinematic equation for the 4-bar linkage shown; (to find the angular position of the cylinder at different values of theta )

Welcome to the PF. What is the context of your question? Is it for a school project?
 
i didnt get ur question
 
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gpriyavct said:
yes i need an help to solve this...

Okay. Thread moved from ME to the schoolwork section of the PF. What are the relebant equations in approaching a problem like this? Can you show us how you are setting up the equations to solve the problem?
 
gpriyavct said:
no move to ME itself

No. Show your attempt at a solution. We do not do your homework/coursework for you here. That's part of the PF Rules (see the link at the top of the page).
 
gpriyavct said:
Looking For Help to derive the kinematic equation for the 4-bar linkage shown; (to find the angular position of the cylinder at different values of theta )

That's weird -- where did your diagram go?
 
Here i attached the schematic diagram of 4 bar mechanism.

We are working on design automation for fixture design for that purpose we need to solve this kinematic equation.
 
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Hi Friends,

Here i attached the schematic diagram of 4 bar mechanism.

We are working on design automation for fixture design for that purpose we need to solve this kinematic equation.
 
Attachments
  • CAD line drawing of a 4-bar linkage with a clamp arm, clamp arm clevis, pivot, fixed link, cylinder rod, cylinder and cylinder mount, with a note asking for the kinematic equation giving the cylinder's angular position for different values of theta.
    KBE-3.JPG
    27.7 KB · Views: 642
sir i can't able to view my question that's y i added there, please help me to view my question to all viewers
 
gpriyavct said:
sir i can't able to view my question that's y i added there, please help me to view my question to all viewers

Show us your free body diagrams for the linkage. Show us your equations that you derive from the FBDs. We don't do your work for you here at the PF.
 
here i have attached the free diagram as well as main diagram, from that we need to find the equation from the given data, please see both the attachment, now totally i have attached 3 drawings in jpeg file...
 
Attachments
  • CAD drawing of a 4-bar linkage clamp mechanism: a cylinder with a rod and mount, a clamp arm with clevis and pivot, and numbered links 1 to 4, with a curved rotation arrow at the bottom and the note 'Need to derive the kinematic equation for the 4-bar linkage shown (to find the angular position of the cylinder at different values of theta)'.
    KBE-4.JPG
    26.1 KB · Views: 633
  • Engineering drawing titled BOE clamp set-up reference, showing a toggle clamp linkage with pivot points, labeled dimensions L1 and L2, angles A and B, and a formula F1 x L1 >= F2 x L2 with 50mm and 63mm bore force values.
    BOE_Clamp_Set_Up_Ref.jpg
    40.7 KB · Views: 666