Kinematic Analysis of Planar
Mechanisms by Means
of Computer-Aided Design Software
Amit Talli and Arunkumar C. Giriyapur
Abstract In this paper, the kinematic analysis of planar mechanisms using a
computer-aided application is presented. The kinematics branch deals with the study
of motion excluding forces responsible for the motion. The computer-aided design
(CAD) is implemented to perform kinematic analysis. There are many advanced
commercial CAD software available which are capable of performing the complex
simulation. The CAD also helps to understand the working principle of any complex
mechanism or synthesis of a mechanism through simulation. The paper focuses on
two planar mechanisms with one degree of freedom producing exact straight-line
motion. The mechanisms are actuated by applying data points by using a CAD tool.
The planar mechanism traces an exact straight line, and the verification is done by
measuring the linear displacement by drafting technique and compared with the
simulation data provided by the CAD tool.
Keywords Computer-aided design · Simulation · Kinematic analysis · Planar
mechanisms
1 Introduction
The mechanism is the heart of machines, and it is widely used in almost every
application. Industrial robots, scissor lift, semi-fowler hospital bed, car jack, door
closure, CNC machines, 3D printers, and lathe machines are some of the applications
of mechanisms. The mechanism receives force from the input source and transfers
the forces from one point to another point through the rigid links. The rigid links
are attached by joints which allow relative motion between the rigid links. The
mechanism forms a part of a mechanical device, for example, a portable drill machine,
the internal part such as rigid links, gears, and joint constitute mechanism. The
study related to the mechanisms is also critical in academics such as mechanical
A. Talli (B) · A. C. Giriyapur
Automation and Robotics, KLE Technological University, Hubli 580031, India
e-mail: amit@kletech.ac.in
© The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2021
A. K. Parwani et al. (eds.), Recent Advances in Mechanical Infrastructure,
Lecture Notes in Intelligent Transportation and Infrastructure,
https://doi.org/10.1007/978-981-33-4176-0_32
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