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Man Tech > Metal Cutting > Flashcards

Metal Cutting Flashcards

1
Q

positive rake angle

A

sharper cutting better finish

lower cutting force

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2
Q

negative rake angle

A

stronger edge

longer tool life

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3
Q

types of chips

A

continuos
discontinus
continuos with built up edge

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4
Q

turning parameters

A

V = N x pi x Davg

cutting speed = spindle speed x pi x Diameter

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5
Q

turning MRR

A

Vfd

spindle speed x movement p rev x depth

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6
Q

Cutting time

A

T = L / feed rate

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7
Q

feed rate

A

spindle speed x movememnt per rev

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Man Tech (3 decks)

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