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ME2103 Engineering Visualization & Modeling Welding Symbols Representation
By: A/P Lee Kim Seng
ME2103 Engineering Visualization & Modeling
Welding Symbols Representation Objectives In this section, you will be studying: The two basic types of welding: Butt weld & Fillet weld Methods of representation Welding symbol & its representation Symbols for specific welds Supplementary symbols: flat, concave & convex Difference between casting & welding
A/P Lee Kim Seng Butt Weld Fillet Weld
Welding Welding provides a means of building up an assembly by joining together plates, bars, pipes and other standard sections.
A/P Lee Kim Seng
Welding The process is also useful in cases where castings, forgings and pre-machined parts have to be fabricated into a main assembly.
Welded fabrications are usually cheaper than castings for small batch or one-off jobs because the need for expensive patterns does not arise.
A/P Lee Kim Seng
Basic Welding processes
A/P Lee Kim Seng
Gas Welding
Arc Welding
Basic Welding processes
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MIG Welding
Submerged Arc Welding
TIG Welding
Welding in Progress
A/P Lee Kim Seng
Large Scale Welding
A/P Lee Kim Seng
Basic Types of Weld
A/P Lee Kim Seng
Methods of Representation
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Symbol for On-Site Weld
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ISO 2553-1984
BS 499-1980
Symbol & Its Interpretation
A/P Lee Kim Seng
Symbol & Its Interpretation
A/P Lee Kim Seng
Symbol & Its Interpretation
A/P Lee Kim Seng
Symbol & Its Interpretation
A/P Lee Kim Seng
Symbols for Specific Welds
A/P Lee Kim Seng
Symbols for Specific Welds
A/P Lee Kim Seng
Symbols for Specific Welds
A/P Lee Kim Seng
Symbols for Specific Welds
A/P Lee Kim Seng
Supplementary Symbol (shape of weld support)
A/P Lee Kim Seng
Examples of Use of Supplementary Symbol
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Examples of Use of Elementary Symbols
A/P Lee Kim Seng
Examples of Use of Elementary Symbols
A/P Lee Kim Seng
Illustrations
A/P Lee Kim Seng
Illustrations
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Difference between Casting & Welding
A/P Lee Kim Seng
Difference between Casting & Welding
A/P Lee Kim Seng
Thank You
A/P Lee Kim Seng
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