Les tableaux des conditions de coupe
Pour les principales opérations d'usinage traditionnel les valeurs usuelles des conditions de coupe sont présentées dans les tableaux ci-dessous.
Tournage (Attention : pour les gorges et le tronçonnage : prendre 50% des valeurs de tournage ci-dessous) | |||||||||||||
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Outils ARS | Outils Carbure | ||||||||||||
Ebauche | Finition | Ebauche | Finition | ||||||||||
Matières | Rr MPa |
| V60 m/min | a max mm | f mm/tr | V60 m/min | f mm/tr |
| V60 m/min | a max mm | f mm/tr | V60 m/min | f mm/tr |
Acier S235 | 500 | 18° | 30 | 2 | 0.1 | 45 | >0.04 | 14° | 150 | 2 | 0.2 | 250 | >0.10 |
Acier INOX | 500 | 14° | 27 | 2 | 0.1 | 32 | >0.04 | 6° | 105 | 2 | 0.2 | 115 | >0.10 |
Acier 35CD4 | 1100 | 10° | 20 | 2 | 0.1 | 28 | >0.04 | 0° | 100 | 2 | 0.2 | 160 | >0.10 |
PVC | 60 | 15° | 90 | 4 | 0.3 | 150 | >0.10 | 8° | 100 | 4 | 0.3 | 150 | >0.20 |
Nylon PA6 | 80 | 15° | 90 | 2 | 0.2 | 120 | >0.05 | 5° | 100 | 2 | 0.35 | 180 | >0.12 |
Plexi PMMA | 78 | 15° | 75 | 2 | 0.2 | 90 | >0.10 | 10° | 100 | 2 | 0.25 | 150 | >0.12 |
Laiton UZ30 | 400 | 10° | 70 | 1 | 0.3 | 110 | >0.02 | 20° | 200 | 2 | 0.3 | 230 | >0.10 |
Bronze UE12P | 200 | 10° | 32 | 2 | 0.2 | 43 | >0.02 | 20° | 90 | 2 | 0.3 | 120 | >0.10 |
Dural AU4G | 280 | 22° | 200 | 2 | 0.3 | 250 | >0.02 | 25° | 400 | 3 | 0.4 | 500 | >0.10 |
Fraisage en bout (surfaçage) | |||||||||||||
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Fraises ARS | Plaquettes Carbure | ||||||||||||
Ebauche | Finition | Ebauche | Finition | ||||||||||
Matières | Rr MPa |
| V60 m/min | a max mm | fz mm/(tr.d) | V60 m/min | fz mm/(tr.d) |
| V60 m/min | a max mm | fz mm/(tr.d) | V60 m/min | fz mm/(tr.d) |
Acier S235 | 500 | 20° | 29 | 2 | 0.11 | 40 | >0.06 | 20° | 100 | 2 | 0.2 | 120 | >0.07 |
Acier INOX | 500 | 20° | 18 | 2 | 0.08 | 22 | >0.05 | 15° | 72 | 2 | 0.15 | 92 | >0.07 |
Acier 35CD4 | 1100 | 12° | 20 | 2 | 0.06 | 25 | >0.04 | 12° | 80 | 2 | 0.12 | 90 | >0.07 |
PVC | 60 | 20° | 200 | 4 | 0.2 | 300 | >0.50 | 20° | 800 | 4 | 0.30 | 1000 | >0.07 |
Nylon PA6 | 80 | 20° | 100 | 2 | 0.15 | 200 | >0.20 | 20° | 400 | 2 | 0.35 | 500 | >0.07 |
Plexi PMMA | 78 | 0° | 60 | 2 | 0.15 | 80 | >0.20 | ||||||
Laiton UZ30 | 400 | 72 | 1 | 0.09 | 95 | >0.07 | 130 | 2 | 0.5 | 180 | >0.16 | ||
Bronze UE12P | 200 | 23 | 1 | 0.07 | 31 | >0.06 | 60 | 2 | 0.2 | 82 | >0.16 | ||
Dural AU4G | 280 | 20° | 150 | 1 | 0.07 | 190 | >0.06 | 20° | 500 | 3 | 0.1 | 800 | >0.08 |
Fraisage en roulant (rainurage, combiné...) | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Fraises ARS (Ø>20) | Fraises ARS (Ø<20) | ||||||||||||
Ebauche | Finition | Ebauche | Finition | ||||||||||
Matières | Rr MPa |
| V60 m/min | a maxi mm | fz mm/(tr.d) | V60 m/min | fz mm/(tr.d) |
| V60 m/min | a maxi mm | fz mm/(tr.d) | V60 m/min | fz mm/(tr.d) |
Acier S235 | 500 | 20° | 25 | 2 | 0.08 | 32 | >0.05 | 20° | 19 | 2 | 0.03 | 22 | >0.03 |
Acier INOX | 500 | 20° | 24 | 2 | 0.06 | 28 | >0.04 | 20° | 16 | 2 | 0.03 | 18 | >0.03 |
Acier 35CD4 | 1100 | 20° | 18 | 2 | 0.04 | 24 | >0.03 | 12° | 16 | 2 | 0.03 | 20 | >0.03 |
Laiton UZ30 | 400 | 10° | 72 | 2 | 0.16 | 90 | >0.03 | 41 | 3 | 0.01 | 46 | >0.01 | |
Bronze UE12P | 200 | 10° | 30 | 2 | 0.18 | 35 | >0.03 | 18 | 3 | 0.01 | 22 | >0.01 | |
Dural AU4G | 280 | 20° | 240 | 2 | 0.07 | 270 | >0.06 | 20° | 95 | 5 | 0.05 | 105 | >0.03 |
Perçage, Alésage | ||||||||||||
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Forets et alésoirs A.R.S. | Tarauds A.R.S. | |||||||||||
Perçage | Alésage | |||||||||||
Matières | Rr MPa |
| V60 m/min | angle pointe | angle hélice | Ø<10 f mm/tr | Ø>10 f mm/tr | V60 m/min | a mm | Ø<20 f mm/tr | V60 m/min | Lubrifiant |
Acier S235 | 500 | 25° | 25 | 135° | 30° | 0.025 | >0.05 | 12.5 | >0.20 | 0.3 | 12 | Huile de coupe |
Acier INOX | 500 | 25° | 20 | 120° | 30° | 0.02 | >0.04 | 8 | >0.20 | 0.15 | 6 | Huile soluble |
Acier 35CD4 | 1100 | 25° | 22 | 120° | 30° | 0.012 | >0.03 | 9 | >0.20 | 0.17 | 10 | Huile de coupe |
PVC | 60 | 60 | 135° | 30° | 0.02 | non | non | non | 15 | Air comprimé | ||
Nylon PA6 | 80 | 0° | 30 | 100° | 30° | 0.02 | non | non | non | 15 | Air comprimé | |
Plexi PMMA | 78 | 0° | 40 | 140° | 30° | 0.02 | non | non | non | 10 | Air comprimé | |
Laiton UZ30 | 400 | 18° | 45 | 120° | 15° | 0.03 | >0.03 | 30 | >0.20 | 0.4 | 13 | à sec |
Bronze UE12P | 200 | 10° | 20 | 120° | 30° | 0.037 | >0.03 | 12 | >0.20 | 0.9 | 7 | Huile de coupe |
Dural AU4G | 280 | 35° | 65 | 140° | 30° | 0.032 | >0.06 | 30 | >0.20 | 0.4 | 18 | Pétrole |