Welding Representation 653w70
This document was ed by and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this report form. Report 3i3n4
Overview 26281t
& View Welding Representation as PDF for free.
More details 6y5l6z
- Words: 1,127
- Pages: 28
Welding Representation Chapter 22
Objectives • • •
Describe the various welding processes Draw the common welding symbols Dimension a welding drawing using standard ANSI welding notations
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
2
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Objectives (cont.) •
•
Identify and draw a fillet weld, groove weld, back weld, spot weld, seam weld, projection weld, and flash weld Describe the use of welding symbols in CAD drawings
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
3
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Welding Processes •
The principal methods of welding are: • • •
Gas welding Arc welding Resistance welding
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
4
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Standard Symbols •
•
Welding drawings are a special type of assembly drawing as weldments are composed of a number of separate pieces fastened together as a unit ts are all shown as they would appear before welding
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
5
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Weldment Drawing
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
6
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Welding Symbols •
The items that can be specified in a welding symbol are: • •
•
•
• •
Type of weld Process Depth of bevel, size or strength for some weld types Groove weld size Finishing designator Contour
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
7
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Welding Symbols •
Cont. • • • • • •
•
Groove angle Root opening Length of weld Number and pitch of welds Whether the weld is to be field welded All around indicator Which side of the material is to be welded
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
8
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Basic Welds and Symbols
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
9
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Types of Welded ts •
There are five basic types of welded ts: • • • • •
Butt t Corner t T-t Lap t Edge t
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
10
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Types of Welded ts
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
11
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Types of Welds •
There are four types of arc and gas welds: • • • •
Back or backing weld Fillet weld Plug or slot weld Groove weld
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
12
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Types of Welds •
The four basic resistance welds are: • • • •
Spot weld Projection weld Seam weld Flash or upset weld
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
13
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Welding Symbols •
The basic element of the symbol is the “bent” arrow •
•
The arrow points to the t where the weld is to be made Attached to the reference line, or shank, is the symbol for the desired weld
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
14
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Welding Symbols
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
15
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Complete Welding Symbol
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
16
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Fillet Welds •
The usual fillet weld has equal legs
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
17
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Groove Welds
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
18
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Back or Backing Welds
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
19
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Surface Welds •
The surface weld symbol indicates a surface to be built up
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
20
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Plug and Slot Welds
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
21
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Spot Welds
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
22
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Seam Welds
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
23
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Projection Welds
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
24
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Flash and Upset Welds •
Flash and upset weld symbols have no arrow-side or other-side significance
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
25
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Welding Applications •
•
Welding is often cheaper when only one or a few identical parts are required Welding is also suitable for large structures that are difficult or impossible to fabricate entirely in a shop
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
26
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Welding Templates •
•
Welding templates can simplify drawing welding symbols by hand They have all the forms needed for drawing the arrow, weld symbols, and supplementary symbols
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
27
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Computer Graphics •
Welding symbol libraries available in CAD and allow for rapid application of accurate, uniform symbols that are in compliance with standards
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
28
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Objectives • • •
Describe the various welding processes Draw the common welding symbols Dimension a welding drawing using standard ANSI welding notations
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
2
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Objectives (cont.) •
•
Identify and draw a fillet weld, groove weld, back weld, spot weld, seam weld, projection weld, and flash weld Describe the use of welding symbols in CAD drawings
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
3
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Welding Processes •
The principal methods of welding are: • • •
Gas welding Arc welding Resistance welding
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
4
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Standard Symbols •
•
Welding drawings are a special type of assembly drawing as weldments are composed of a number of separate pieces fastened together as a unit ts are all shown as they would appear before welding
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
5
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Weldment Drawing
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
6
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Welding Symbols •
The items that can be specified in a welding symbol are: • •
•
•
• •
Type of weld Process Depth of bevel, size or strength for some weld types Groove weld size Finishing designator Contour
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
7
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Welding Symbols •
Cont. • • • • • •
•
Groove angle Root opening Length of weld Number and pitch of welds Whether the weld is to be field welded All around indicator Which side of the material is to be welded
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
8
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Basic Welds and Symbols
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
9
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Types of Welded ts •
There are five basic types of welded ts: • • • • •
Butt t Corner t T-t Lap t Edge t
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
10
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Types of Welded ts
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
11
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Types of Welds •
There are four types of arc and gas welds: • • • •
Back or backing weld Fillet weld Plug or slot weld Groove weld
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
12
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Types of Welds •
The four basic resistance welds are: • • • •
Spot weld Projection weld Seam weld Flash or upset weld
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
13
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Welding Symbols •
The basic element of the symbol is the “bent” arrow •
•
The arrow points to the t where the weld is to be made Attached to the reference line, or shank, is the symbol for the desired weld
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
14
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Welding Symbols
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
15
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Complete Welding Symbol
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
16
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Fillet Welds •
The usual fillet weld has equal legs
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
17
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Groove Welds
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
18
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Back or Backing Welds
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
19
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Surface Welds •
The surface weld symbol indicates a surface to be built up
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
20
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Plug and Slot Welds
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
21
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Spot Welds
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
22
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Seam Welds
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
23
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Projection Welds
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
24
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Flash and Upset Welds •
Flash and upset weld symbols have no arrow-side or other-side significance
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
25
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Welding Applications •
•
Welding is often cheaper when only one or a few identical parts are required Welding is also suitable for large structures that are difficult or impossible to fabricate entirely in a shop
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
26
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Welding Templates •
•
Welding templates can simplify drawing welding symbols by hand They have all the forms needed for drawing the arrow, weld symbols, and supplementary symbols
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
27
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Computer Graphics •
Welding symbol libraries available in CAD and allow for rapid application of accurate, uniform symbols that are in compliance with standards
Technical Drawing 13th Edition
Giesecke, Mitchell, Spencer, Hill Dygdon, Novak, Lockhart
28
© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved.
Related Documents 3h463d
Welding Representation 653w70
April 2023 0
Graph Representation 4g1k3k
November 2019 46
Representation Isometrique 3w1e6t
November 2019 34
Representation D'etat 6b3n51
November 2022 0
Sweep Representation 4k6z36
December 2019 63
Welding 4c6126
December 2019 86More Documents from "cfcshaker" 5o2x26
Welding Representation 653w70
April 2023 0