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A centrode, in
File:4-Bar Centrode - Fixed Construction.gif, Construction of the fixed centrode for a
The cyan link indicates the link the centrode (pink) is drawn relative to. File:4-Bar Centrode - Moving Construction.gif, Construction of the moving centrode for a
The cyan link indicates the link the centrode (orange) is drawn relative to. An additional diagram is shown on the right to show the cyan link fixed in place for reference.
A centrode, in kinematics
In physics, kinematics studies the geometrical aspects of motion of physical objects independent of forces that set them in motion. Constrained motion such as linked machine parts are also described as kinematics.
Kinematics is concerned with s ...
, is the path traced by the instantaneous center of rotation of a rigid plane figure moving in a plane. There are two types of centrodes: a space or fixed centrode, and a body or moving centrode.
The moving centrode rolls without slip on the fixed centrode.
Gallery
4-bar linkage
In the study of mechanisms, a four-bar linkage, also called a four-bar, is the simplest closed-chain movable linkage. It consists of four bodies, called ''bars'' or ''links'', connected in a loop by four joints. Generally, the joints are config ...
:The cyan link indicates the link the centrode (pink) is drawn relative to. File:4-Bar Centrode - Moving Construction.gif, Construction of the moving centrode for a
4-bar linkage
In the study of mechanisms, a four-bar linkage, also called a four-bar, is the simplest closed-chain movable linkage. It consists of four bodies, called ''bars'' or ''links'', connected in a loop by four joints. Generally, the joints are config ...
:The cyan link indicates the link the centrode (orange) is drawn relative to. An additional diagram is shown on the right to show the cyan link fixed in place for reference.
See also
*Four-bar linkage
In the study of Mechanism (engineering), mechanisms, a four-bar linkage, also called a four-bar, is the simplest closed-Kinematic chain, chain movable linkage (mechanical), linkage. It consists of four Rigid body, bodies, called ''bars'' or ''link ...
References
Homer D. Eckhardt Kinematic Design of Machines and Mechanisms, McGraw-Hill (1998) p. 63 . Theory of Machine .Irfan (NFC IET Multan) Contact# (03421713488) Kinematics {{classicalmechanics-stub