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DONT USE THIS > 1.4 metal forming > Flashcards

1.4 metal forming Flashcards

1
Q

What are the 5 cold metal work processes

A

Pressing/stamping, Spinning, deep drawing, bending, cold rolling

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2
Q

What is the volume of production of pressing/stamping

A

Large scale mass production

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2
Q

What is the process of stamping/pressing

A

The sheet metal is pressed between +ve and -ve dies.

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2
Q

What are the 3 hot metal work processes

A

Hot rolling, open die forging, closed die forging

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3
Q

What is the process of spinning metal

A

Sheet metal is spun and pressed over a former to produce objects with radial symmetry

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4
Q

What is the volume of production of spinning metal

A

Batch or mass production

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5
Q

What is the volume of production of deep drawing

A

Mass or continuous production

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6
Q

What is the process of deep drawing

A

Sheet metal is forced into a die cavity via a punch. Used to form sinks and cans

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7
Q

What metal forming process could create sinks and cans

A

Deep drawing

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8
Q

What metal forming process could create a saucepan

A

spinning

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9
Q

What metal forming process could create car body panels

A

pressing / stamping

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10
Q

What metal forming process could join car door panels with a “safe” edge

A

Bending

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10
Q

What is the metal process of bending

A

Sheet metal is bent between a punch and a die.

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11
Q

What is the process of cold rolling

A

Billets or plate metal >3mm is made into sheet material <3mm by being fed through rollers

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12
Q

What metal forming process could make filing cabinets

A

cold rolling

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12
Q

What is the volume of production of bending

A

One off to large scale batch production

13
Q

What volume of production is cold rolling

A

Continuous production

14
Q

What type of metal forming has a better finish

A

cold metalwork

15
Q

What is the process of hot rolling

A

“Billets” are made into beams, angle, bar, plate etc by being “hot” fed through rollers

16
Q

What is the volume of production of hot rolling

A

Continuous production

17
Q

What metal forming process could be used to make railway tracks

A

hot rolling

18
Q

What is the process of open die forging

A

Metals such as low carbon steel or wrought iron are heated in a forge/furnace and then hammered into shape on an anvil.

19
Q

What metal forming process could be used to make gates

A

Open die forging

20
Q

What is the volume of production of open die forging

A

One-off or limited batch production

21
Q

What metal forming process could be used to make spanners or pliers

A

Closed die forging

21
Q

What volume of production is closed die forging

A

Mass production

21
Q

What is the process of closed die forging

A

Heated metal billet is hit or pressed between 2 hardened tool steel dies.

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