Kinematic link

kinematic link is defined as the part of the machine which has a relative motion with respect to some other part of the same machine is called kinematic link or element. Kinematic links can be divided into four types:

  1. Rigid link: in this type of link that does not undergo any deformation while transmitting motion. Links, in general, are elastic in nature. They are considered rigid if they do not undergo appreciable deformation while transmitting motion. The motion between the piston and the crank can be considered as a rigid link.
  2. Flexible link: in this type of link there is partial deformation while transmitting the motion (in a manner not to affect the transmission of motion). The belt drive is an example of a flexible link.
  3. Fluid link: in this type of link the motion is transmitted with the help of fluid pressure. The hydraulic brake is an example of a fluid link.
  4. Floating link: a floating link is one that is not connected with the frame.

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