Weld Joint Geometry Weld Joint Geometry andand
Welding SymbolsWelding Symbols
Basic Weld JointsBasic Weld Joints
Welding TechnologyWelding Technology
LEE CO. ATCLEE CO. ATC
Graphics compliments of AWSGraphics compliments of AWS
Submitted by Craig HeraldWelding InstructorLee County Area Technology Center
Graphics provided compliments of the American Welding Society Education Department
To the AWS Welding Educator’s Electronic File Librarywww.aws.org/Educators
Five Basic Welded Five Basic Welded Joints Joints
Butt Joint Butt joint- a joint
between two members aligned approximately in the same plane
Different Edge Different Edge Shapes and Symbols Shapes and Symbols for some Butt-Jointsfor some Butt-Joints
Five Basic Welded Joints Five Basic Welded Joints
Corner JointCorner Joint
Corner joint - a joint between two members located at right angles to each other
Some Different Edge Some Different Edge Shapes and Symbols Shapes and Symbols for Corner Jointsfor Corner Joints
Five Basic Welded JointsFive Basic Welded Joints
T-JointT-JointT- joint - a joint between two members located approximately at right angles to each other in the form of a T
Some Different Edge Some Different Edge Shapes and Symbols Shapes and Symbols for T-Jointfor T-Joint
Five Basic Welded JointsFive Basic Welded Joints
Lap JointLap Joint
Lap Joint- a joint between two overlapping members
Some Different Edge Some Different Edge Shapes and Symbols Shapes and Symbols for Lap Jointsfor Lap Joints
Five Basic Welded Joints Five Basic Welded Joints
Edge JointEdge Joint
Edge joint- a joint between the edges of two or more parallel or nearly parallel members
Some Different Edge Some Different Edge Shapes and Symbols Shapes and Symbols for Edge Jointsfor Edge Joints
Proper terminology is Proper terminology is needed in everyday job needed in everyday job communication communication
Joint designJoint design identifies, “the identifies, “the shape , dimensions, and shape , dimensions, and configuration of the jointconfiguration of the joint
The individual workpieces of a joint The individual workpieces of a joint are called are called membersmembers . .
Three types members nonbutting Three types members nonbutting member, butting member , and member, butting member , and splice membersplice member
A A nonbutting member nonbutting member is “a joint member that is free to is “a joint member that is free to move in any direction perpendicular to its thickness move in any direction perpendicular to its thickness
dimensiondimension
A butting member is “a joint member that is prevented, by the other member from movement in one direction perpendicular to its thickness dimension”
A A splice membersplice member is “ the work is “ the work piece that spans the joint in a piece that spans the joint in a spliced jointspliced joint
Single-spliced Single-spliced butt jointbutt joint
Double-spliced butt joint with joint filler
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