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