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Testine di Barenatura a finire

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Guida<br />

Dati <strong>di</strong> taglio per testine <strong>di</strong> sgrossatura BHR<br />

Profon<strong>di</strong>tà <strong>di</strong> taglio<br />

B Gamma <strong>di</strong> utilizzo ap Acciaio ap Ghisa Fusa, Alluminio<br />

18-28 ap - 1.5-2 ap - 2-2.5<br />

28-50 ap - 2-3 ap - 2.5-3.5<br />

50-68 ap - 3-4 ap - 3.5-5<br />

68-200 ap - 4-5 ap - 5-7<br />

È consigliato partire con foro<br />

B ≥ al <strong>di</strong>ametro del bareno d<br />

200-500 ap - 5-6 ap - 6-8<br />

In caso <strong>di</strong> utilizzo <strong>di</strong> un singolo tagliente, deve essere <strong>di</strong>mezzato l'avanzamento.<br />

Dati <strong>di</strong> taglio per testine <strong>di</strong> finitura BHF<br />

•••-Buona<br />

•• -Normale<br />

• -Cattiva<br />

Materiale L/D Stabilità<br />

Acciaio al<br />

carbonio<br />

HB≤200<br />

Acciaio al<br />

carbonio<br />

HB>200<br />

Acciaio inox<br />

Acciaio legato (1)<br />

HB 480-550<br />

Ghisa Fusa<br />

Alluminio<br />

L/D=2.5<br />

L/D=4<br />

L/D=6.3<br />

L/D=2.5<br />

L/D=4<br />

L/D=6.3<br />

L/D=2.5<br />

L/D=4<br />

L/D=6.3<br />

L/D=2.5<br />

L/D=4<br />

L/D=6.3<br />

L/D=2.5<br />

L/D=4<br />

L/D=6.3<br />

L/D=2.5<br />

L/D=4<br />

L/D=6.3<br />

•••<br />

••<br />

•<br />

•••<br />

••<br />

•<br />

•••<br />

••<br />

•<br />

•••<br />

••<br />

•<br />

•••<br />

••<br />

•<br />

•••<br />

••<br />

•<br />

Velocità<br />

<strong>di</strong> taglio<br />

Vc=m/min<br />

200-300<br />

160-250<br />

70-100<br />

160-250<br />

150-200<br />

70-100<br />

150-200<br />

0.05-0.08<br />

70- 80<br />

120-160<br />

100-140<br />

70-100<br />

120-160<br />

100-140<br />

70-100<br />

300-400<br />

250-350<br />

100-150<br />

Avanzamento f=mm/giro<br />

Inserto Raggi<br />

R=0.2<br />

R=0.4<br />

0.05-0.08<br />

0.05-0.08<br />

0.05-0.08<br />

0.05-0.08<br />

0.05-0.08<br />

0.05-0.08<br />

0.05-0.08<br />

0.08-0.10<br />

0.05-0.08<br />

0.05-0.08<br />

0.05-0.08<br />

0.05-0.08<br />

0.05-0.08<br />

0.05-0.08<br />

0.05-0.08<br />

0.05-0.08<br />

0.05-0.08<br />

0.05-0.08<br />

0.08-0.10<br />

0.08-0.10<br />

-<br />

0.08-0.10<br />

0.08-0.10<br />

-<br />

0.08-0.10<br />

0.08-0.10<br />

0.08-0.10<br />

0.08-0.10<br />

0.08-0.10<br />

-<br />

0.08-0.10<br />

0.08-0.10<br />

-<br />

0.08-0.10<br />

0.08-0.10<br />

-<br />

Profon<strong>di</strong>tà<br />

<strong>di</strong> taglio ap<br />

(1) ap=0.1 mm<br />

0.1-0.25<br />

H 46

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