Welding

A comprehensive mind map about WELDING: Definition Quality of welding The basic conditions of welding quality Types of Joints Welding movements Common Types of Welding Defects

Edited at 2021-06-06 14:34:05

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Thanh Phuc Nguyen

Welding

Thanh Phuc Nguyen

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Outline

WELDING

Welding movements

Common Types of Welding Defects

Incomplete Penetration

Incomplete Fusion

Undercutting

Slag Inclusion

Flux Inclusions

Porosity

Cracks

Cold cracks

Hot cracks

Crater cracks

Warpage

Spatter

Types of Joints

Butt joint

Lap joint

Tee joint

Corner joint

Edge joint

The basic conditions of welding quality

No cracks or holes found in the bead.

The finished product satisfies the design dimensions and has almost no distortion.

The welding meets the required strength.

The bead has uniform waves, width and height.

Full penetration welds that fuse and join the entire interface between the base material or a weld joint including partial penetration welds should be used appropriately to ensure the necessary rigidity.

Quality of welding

The product is finished accurately in accordance with the design dimensions.

The product offers the required functionality and strength (or safety).

The appearance of the weld satisfies the required level.

Definition

Welding is a fabrication process whereby two or more parts are fused together by means of heat, pressure or both forming a join as the parts cool.