What is Investment Casting?

A casting method where a wax pattern is coated and melted out, used for intricate small parts.

What are the advantages of Permanent Mould Casting?

Good surface finish, dimensional control, stronger casting due to faster cooling.

What is Slush Casting?

A method that creates hollow parts by draining semi-solidified metal.

A method that involves high-pressure metal injection into molds.

What is Design for Manufacturing (DFM)?

The integration of design and manufacturing processes.

What are the key manufacturing principles?

Must meet design specs, be economical, incorporate quality, and adapt to market demands.

What is the importance of material properties in manufacturing?

They influence how materials can be processed.

What are common manufacturing processes?

Casting, forming, machining, joining, and finishing.

What is the significance of product quality in manufacturing?

Quality must be integrated during production for reliability and performance.

What is the role of automation in manufacturing?

Improves productivity, quality, and reduces human error.

What is Centrifugal Casting?

A method that uses centrifugal force to distribute molten metal against mold walls.

What are common casting defects?

Shrinkage, cold shuts, porosity, misruns.

What is the purpose of inspection methods in casting?

To ensure quality through visual inspection, dimensional checks, and non-destructive methods.

What are Non-Ferrous Alloys used in casting?

Aluminium, Magnesium, Copper Alloys, Tin, Zinc Alloys, Nickel, Titanium.

What is the forging process?

Controlled plastic deformation of heated material into shapes using pressure.

What is shearing in sheet metal cutting?

A process where a blade is set at an angle to reduce force.

What is the formula for cutting force in sheet metal?

F = S * t * L, where S is shear strength, t is thickness, and L is length of cut.

What is bending allowance in sheet metal bending?

BA = 2 * pi * A * (R + Kba * t) / 360.

What are common drawing defects in sheet metal forming?

Flange and wall wrinkling, earing, surface scratching, tearing.

What is the purpose of using draft angles in casting?

To facilitate easy mold release.

What is the significance of the G-Factor in centrifugal casting?

It ideally ranges between 60 and 80 for effective casting.

What is the role of CAD and CAM in manufacturing?

They are vital tools for design and manufacturing integration.

What is the impact of production engineering on the economy?

A strong manufacturing sector is tied to a higher standard of living and a healthy economy.

What is the difference between punching and blanking in sheet metal operations?

In blanking, the cut-out is the product; in punching, the cut-out is waste.

What is the purpose of using clearance in punching?

To ensure proper cutting and prevent damage to the punch and die.

What is the significance of product lifecycle in design for assembly?

It includes considerations for easy assembly and maintenance.

What is the role of quality control in manufacturing?

Essential for ensuring reliability and performance of products.

What is the purpose of using non-destructive testing methods?

To inspect materials without causing damage.

What is the importance of continuous updates in manufacturing?

To adapt to market demands and improve efficiency.

What is the significance of using uniform wall thickness in casting?

To prevent hot spots and ensure even cooling.

What is the role of pressure testing in casting inspection?

To check for leaks and integrity of the cast part.

What is the impact of environmental considerations in manufacturing processes?

Important for sustainability and compliance with regulations.

What is the purpose of using fillets in product design?

To avoid sharp corners and improve flow during casting.

What is the significance of using overbending in bending operations?

To control springback and achieve desired angles.

What is the role of rapid prototyping in manufacturing?

To quickly create models for testing and design validation.

What is the impact of machine availability on production rates?

It affects the efficiency and output of manufacturing processes.

What is the significance of using high-pressure metal injection in die casting?

To achieve precise shapes and high-quality finishes.

What is the purpose of using a wax pattern in investment casting?

To create intricate shapes that are melted out after coating.

What is the role of tensile strength in sheet metal operations?

It determines the material's ability to withstand forces during cutting and forming.

What is the significance of using a heated chamber in hot chamber casting?

To maintain metal in a molten state for efficient injection.

What is the purpose of using a punch and die in sheet metal operations?

To shape and cut the metal into desired forms.

MGC 110 – Casting and Manufacturing Summary Flashcards

Student preview

99 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is casting?

Back

A manufacturing process where molten material is poured into a mold to form a desired shape upon solidification.

2.

FLASHCARD QUESTION

Front

What is Expendable Mould Casting?

Back

Mold is destroyed after each use.

3.

FLASHCARD QUESTION

Front

What is Sand Casting?

Back

The most widely used method of casting where a pattern is used to shape sand around it.

4.

FLASHCARD QUESTION

Front

What are the types of patterns used in casting?

Back

Solid, Split, Match Plate, Cope-and-Drag.

5.

FLASHCARD QUESTION

Front

What are the types of sand used in casting?

Back

Green, Dry, Skin-Dried, and No-Bake.

6.

FLASHCARD QUESTION

Front

What is Shell Moulding?

Back

A casting method that uses thermosetting resin for a smooth surface and high accuracy.

7.

FLASHCARD QUESTION

Front

What is Vacuum Moulding?

Back

A casting method that uses no binders to avoid moisture defects but is slow.

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