Skärande bearbetning Flashcards by Andreas Brunzell

Q

Skärdjup (ap)

A

ap = (D0 - D1) / 2

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Q

Skärhastighet (vc)

A

vc = (pi * D * n) / 1000 [m/min]

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Q

Nominell spånarea (AD)

A

AD = f * ap [mm^2]

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Q

Nominell spåntjocklek (hD)

A

hD = f *sin(K0)

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Q

Specifik skärkraft (kc)

A

kc = k1 + (k2/hD) [N/mm^2]

eller

kc = Fc/AD

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Q

Skärkraft (Fc)

A

Fc = kc * AD = kc * f * ap [N]

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Q

Skäreffekt (Pc)

A

Pc = (Fc * vc)/60 [kW]

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Q

Motoreffekt (PM)

A

PM = Pc/η [kW]

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Q

Ytjämnhet (Rt)

A

Rt = f^2/(8*re) [µm]

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Q

Taylors ekvation

A

vc * Tc^α = C

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