Manufacturing Processes: Unit I: Metal Casting Processes

Defects in sand castings

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Because of some reasons, castings may have some defects. The defects in a casting may arise due to the defects in one or more of the followings:

DEFECTS IN SAND CASTINGS

Because of some reasons, castings may have some defects. The defects in a casting may arise due to the defects in one or more of the followings:

1. Design of casting and pattern

2. Moulding and design of mould and core

3. Metal composition

4. Melting and pouring

5. Gating and riser design.

These defects may be reduced by a proper control of manufacturing cycle and proper foundry techniques. The following defects are most commonly encountered in the sand mould castings:

Manufacturing Processes: Unit I: Metal Casting Processes : Tag: : - Defects in sand castings

Home | Department: Mech Department | Subject: Manufacturing Processes |

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Manufacturing Processes: Unit I: Metal Casting Processes

Metal Casting Processes - Introduction | Manufacturing Processes

Sand Casting - Metal Casting Processes

Sand Mould - Statement, Important processes

Mould: Pattern and Pattern Making

Types of Patterns - Mould | Metal Casting Processes

Pattern Materials - Mould | Metal Casting Processes

Pattern Allowances - Mould | Metal Casting Processes

Moulding Sand - Constituents, Types, Properties, Preparation, Tools, Testing, Solved Problems

Cores [Moulding Sand] - Essential Qualities, Core Binders, Boxes & Ovens, Core Making Methods, Types, Methods of Testing

Moulding Processes: Types of Moulds - with Advantages, Limitations

Moulding Methods

Moulding Machines - Layout Diagram, Working Principle

Melting Furnaces - Construction, Layout Diagram, Working Principle, Application, Advantages, Disadvantage

Principle of special casting processes - Construction, Layout Diagram, Working Principle, Application, Advantages, Disadvantage

Difficulties Involved in Casting Steels Over Cast Irons - Metal Casting Processes

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