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Lecture 5 Flashcards

(13 cards)

1
Q

what is shearing operations

A

guillotine

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2
Q

fien blanking

A

v shaped lock to prevent distortion of material

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3
Q

what is blanking

A

when sheared piece is usable piece

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4
Q

what is piercing

A

when sheared piece is thrown away and left with hole

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5
Q

what is deep drawing

A

“cup shaped”

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6
Q

what is stretch forming

A

made for airplane panels etc

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7
Q

what is peen forming

A

shot with small ball bearing like material - increases yielding on the surface and indentations are made

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8
Q

advantages of superplastic forming

A

high ductility and forms complex shapes in one piece

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9
Q

disadvantages of superplastic forming

A

can be slow to form

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10
Q

bulging

A

split pipes

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11
Q

rubber forming

A

shoe soles

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12
Q

hydroforming

A

female die filled with pressurised water

allows for more complex shapes and deeper draw

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13
Q

electroforming

A

charge detonated - shock waves force material into die cavity

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