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Design And Construction Of An Inverter Type Arc Welding Machine
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1.2 AIMS AND OBJECTIVES OF THE PROJECT
The main aim and objective of
this project is to design and build and arc welding machine that
operates on 36vdc at variable frequency which of benefit to urban area.
This reduces the weight and size of the transformer use for welding. To
have an arc welding machine that is more efficient which produce neat
welding.
1.3 SIGNIFICANT OF THE STUDY
The significant of this
project is that it seeks to develop an arc welding machine that is cost
effective, strong and portable. Not only that the arc welding machine is
strong and portable, it is also mobile.
1.4 LIMITATION OF THE PROJECT
The project has certain limitations which are mentioned below.
 This project cannot weld bigger gauge of metals.
 The welding time and power depends on the battery input power.
 You are to have bands of battery for reliability when using battery.

The machine must be used by a qualified welder. Welding can endanger
the operator or people near the working area. Therefore, the performance
of welding and cutting must only be done under the comprehensive
observation of all relevant safety regulation.
 Switch function
modes during welding could potentially damage the equipment. A safety
switch is necessary to prevent the equipment from electric leakage. Use
only high quality welding tools and equipment with this inverter type
arc welding machine.
1.5 PROJECT REPORT ORGANIZATION
The
organization of the project report is well detailed and vast in its
coverage. It covers all the activities encountered during the research
work. The first chapter is the introductory chapter which covers the
background, project objectives, project justification, and scope of the
project. Chapter two presents the literature reviews. Chapter three
covers the system analysis and design methodology in details. Chapter
four presents the system implementation which entails the circuits
diagram of different stages and also the complete schematic diagram with
necessary calculation involve in the design. Chapter five is emphasis
on conclusion, problem encountered during project design,
recommendations and suggestion for further improvement.
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