4.4 Manufacturing Processes Flashcards

1
Q

What is design for manufacture (DfM)

A

The concept that designers will design to optimize the manufacturing process and make use of existing manufacturing capability

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2
Q

What are the additive manufacturing techniques?

A

Paper-based rapid prototyping
Laminated object manufacture (LOM)
Stereolithography

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3
Q

What are the subtractive manufacturing techniques?

A

Cutting
Machining
Turning
Abrading

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4
Q

What are the shaping techniques?

A

Molding
Thermoforming
Casting
Knitting
Weaving

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5
Q

What are the joining techniques?

A

Permanent joining techniques
Temporary joining techniques
Adhering
Fastening
Fusing

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6
Q

What is paper-based rapid prototyping?

A

Layers of paper and cut and glued together to create a 3D shape

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7
Q

What is laminated object manufacture (LOM)?

A

Layers of paper/plastic/metal cut and glued together to create a 3D shape

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8
Q

What is stereolithography?

A

An object is creating by curing thin layers of liquid resin with a laser

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9
Q

What is cutting?

A

The removal of a material into the desired shape using saws, scissors, or CNC machines

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10
Q

What is machining?

A

The removal of a material by a cutting tool which moves across the surface

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11
Q

What is turning?

A

The material is spinning on a horizontal axis while a cutting tool moves along the surface to remove material, creating a cylindrical shape

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12
Q

What is abrading?

A

The process of using an abrasive to grind/ rub away material

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13
Q

What is molding?

A

Heating a material until it is a liquid/ pliable state and placing it into a mold

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14
Q

What is injection molding?

A

Producing parts by injecting plastic into a mold, and as the material is cooled it takes the shape of the mold (producing very minimal waste)

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15
Q

What is thermoforming?

A

A plastic sheet is heated until it is in a pliable state then placed into a mold where vacuum forming in used

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16
Q

What is laminating?

A

Laying down of thin layers of material joined with an adhesive

17
Q

What is casting?

A

The pouring of molten metal into a mold

18
Q

What are the permanent joining techniques?

A

Adhering
Fusing: melting materials by melting them at high temperatures
Fasteners: nails or rivets binding pieces together

19
Q

What are the temporary joining techniques?

A

Adhering
Fasteners: used when pieces need to be joined and later separated

20
Q

What criteria should the selection of manufacturing techniques be based on?

A

Material characteristics
Cost
Scale of production
Desired properties