obdelava kamna vs kovine
DESCRIPTION
Primerjava med obdelavo kamnin in kovin s pomočjo CNC tehnologijeTRANSCRIPT
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PRIMERJAVA MED OBDELOVALNIM POSTOPKOM FREZANJA JEKEL IN KAMNA
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Trdota kamna• Mohs-ova skala določa trdoto mineralov
• Granit ima trdoto 7, marmor pa 3
• Diamant 15x trši od granita in 167x od marmorja
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Primerjava med trdotami kamna in kovine
• Jekla so po Mohs-u med 5 in 7
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Razlike med frezanjem kamna in jekel
• Vpenjanjeobdelovanca
• Hlajenje
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• Orodja
Obdelava detajlov
Groba obdelava
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• Geometrija orodja in parametri rezanjaOrodje:D [mm]
Material RPM [/min] Podajalna hitrost [mm/min]
Globina rezanja [mm]
50 Granit 4300-5000 300-600 3-650 Marmor 5000-5300 500-600 3-6
Orodje:D1 [mm]
ap[mm]
zMaterial RPM [/min] Podajalna
hitrost [mm/min]
Globina rezanja [mm]
50 10 7 Utrjeno jeklo40-55HRC
445 215 1,5
Vse dimenzije so v [mm]
L1 L2 S1 F1 Re
12 6,6 3,6 1,3 0,8
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Orodje:D1 [mm]
R [mm]
ap[mm]
zMaterial RPM [/min] Podajalna
hitrost [mm/min]
Globina rezanja [mm]
2 1 1,6 2 Utrjeno jeklo40-55HRC
40000 6000 0,1
Orodje:D [mm] α[ °]
Material RPM [/min] Podajalna hitrost [mm/min]
Globina rezanja [mm]
10 90 Granit 7000-8000 150-250 0-3
10 90 Marmor 8000-10000 150-250 0-3
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Primeri izdelka iz kamna
• Detajli• Profili• Korita• ….