306486 306486 1308 Material group Strength N/mm2 2 3 4 5 6 8 10 12 1.1-1.2-1.3-1.4-1.5 Unalloyed stells <1100 N/mm2 Depth of cut (mm) Width of cut (mm) rpm Feed rate (mm/min) < 0.2 < 0.2 33,500 6,000 < 0.3 < 0.3 22,500 6,000 < 0.4 < 0.5 17,000 5,800 < 0.5 < 0.8 14,000 5,500 < 0.6 < 1.0 11,000 6,000 < 0.8 < 1.6 8,400 5,800 < 0.9 < 2.0 6,700 5,700 < 1.0 < 2.4 5,500 5,200 Depth of cut max. 1.0 mm 2.1-2.2-2.3-2.4-2.5-2.6 Alloy steels <30 HRC Depth of cut (mm) Width of cut (mm) rpm Feed rate (mm/min) <0.2 <0.2 33,300 6,000 <0.3 <0.3 22,500 6,000 <0.4 <0.5 17,000 5,800 <0.6 <0.8 14,000 5,500 <0.6 <1.0 11,000 6,000 <0.8 <1.6 8,400 5,800 <0.9 <2.0 6,000 5,000 <1.0 <2.4 5,000 4,500 Depth of cut max. 1.0 mm 3.1-3.2 High alloy steels <35 HRC Depth of cut (mm) Width of cut (mm) rpm Feed rate (mm/min) <0.2 <0.2 33,000 6,000 <0.3 <0.3 22,500 6,000 <0.4 <0.5 17,000 5,700 <0.6 <0.8 14,000 5,500 <0.6 <1.0 8,400 4,500 <0.8 <1.6 6,300 4,500 <0.9 <2.0 5,000 4,200 <1.0 <2.4 4,200 4,000 Depth of cut max. 1.0 mm 4.1-4.2-4.3 Stainless steels <45 HRC Depth of cut (mm) Width of cut (mm) rpm Feed rate (mm/min) <0.2 <0.2 24,000 3,800 <0.3 <0.3 16,000 3,700 <0.4 <0.5 12,000 3,500 <0.6 <0.8 10,000 3300 <0.6 <1.0 8,000 3,900 <0.8 <1.6 6,000 3,800 <0.9 <2.0 4,700 3,600 <1.0 <2.4 4,000 3,200 Depth of cut max. 1.0 mm 8.1 Hardened steels <55 HRC Depth of cut (mm) Width of cut (mm) rpm Feed rate (mm/min) <0.2 <0.2 20,000 3,300 <0.3 <0.3 14,000 3,100 <0.4 <0.5 10,000 2,900 <0.6 <0.8 8,500 2,800 <0.6 <1.0 6,000 2,700 <0.8 <1.6 4,600 2,600 <0.9 <2.0 3,800 2,500 <1.0 <2.4 3,100 2,300 Depth of cut max. 1.0 mm 8.2 Hardened Steels <60 HRC Depth of cut (mm) Width of cut (mm) rpm Feed rate (mm/min) <0.1 <0.2 16,000 2,500 <0.15 <0.3 10,500 2,200 <0.2 <0.4 8,000 2,000 <0.25 <0.5 6,500 2,000 <0.3 <0.6 5,000 2,000 <0.5 <0.8 4,000 2,000 <0.5 <1.0 3,200 1,900 <0.5 <1.2 2,700 1,800 Depth of cut max. 0.5 mm 8.3 Hardened steels <65 HRC Depth of cut (mm) Width of cut (mm) rpm Feed rate (mm/min) <0.2 <0.2 14,000 2,200 <0.15 <0.3 10,000 2,000 <0.2 <0.4 7,000 1,800 <0.25 <0.5 6,000 1,700 <0.25 <0.6 4,200 1,500 <0.6 <0.8 3,200 1,500 <0.5 <1.0 2,500 1,500 <0.5 <1.2 2,000 1,200 Depth of cut max. 0.5 mm 8.3 Hardened steels <70 HRC Depth of cut (mm) Width of cut (mm) rpm Feed rate (mm/min) <0.1 <0.2 9,000 1,400 <0.15 <0.3 6,000 1,200 <0.2 <0.4 4,500 1,100 <0.25 <0.5 3,700 1,100 <0.25 <0.6 2,500 900 <0.3 <0.8 2,000 900 <0.5 <1.0 1,500 900 <0.5 <1.2 1,200 700 Depth of cut max. 0.5 mm Material group Strength N/mm2 2 3 4 5 6 8 10 12 1.1-1.2-1.3-1.4-1.5 Unalloyed stells <1100 N/mm2 Depth of cut (mm) Width of cut (mm) rpm Feed rate (mm/min) <0.2 0.4 50,000 9,000 <0.3 0.5 33,000 8,800 <0.4 0.6 25,000 8,500 <0.5 0.8 20,000 8,200 <0.6 1.0 17,000 9,000 <0.8 <1.2 12,000 9,000 <1.0 <1.6 10,000 8,500 <1.0 <2.0 8,000 8,000 Depth of cut max. 1.0 mm 2.1-2.2-2.3-2.4-2.5-2.6 Alloy steels <30 HRC Depth of cut (mm) Width of cut (mm) rpm Feed rate (mm/min) <0.2 0.4 50,000 9,000 <0.3 0.5 33,000 8,800 <0.4 0.6 25,000 8,500 <0.5 0.8 20,000 8,200 <0.6 1.0 17,000 9,000 <0.8 <1.2 12,500 8,000 <1.0 <1.6 10,000 8,000 <1.0 <2.0 8,000 7,000 Depth of cut max. 1.0 mm 3.1-3.2 High alloy steels <35 HRC Depth of cut (mm) Width of cut (mm) rpm Feed rate (mm/min) <0.2 <0.4 42,000 8,000 <0.3 <0.5 28,000 7,000 <0.4 <0.6 21,000 6000 <0.5 <0.8 18,000 6,000 <0.6 <1.0 16,000 6,000 <0.8 <1.2 12,000 6,000 <1.0 <1.6 10,000 6,000 <1.0 <2.0 8,000 6,000 Depth of cut max. 1.0 mm 4.1-4.2-4.3 Stainless steels <45 HRC Depth of cut (mm) Width of cut (mm) rpm Feed rate (mm/min) <0.2 <0.4 40,000 7,000 <0.3 <0.5 26,000 6500 <0.4 <0.6 20,000 6,000 <0.5 <0.8 17,000 5,500 <0.6 <1.0 16,000 7,000 <0.8 <1.2 12,000 7,000 <1.0 <1.6 10,000 6,500 <1.0 <2.0 8,000 6,000 Depth of cut max. 1.0 mm 8.1 Hardened steels <55 HRC Depth of cut (mm) Width of cut (mm) rpm Feed rate (mm/min) <0.15 <0.4 35,000 5,500 <0.24 <0.5 23,000 5000 <0.30 <0.6 17,000 4,500 <0.4 <0.8 14,500 4,500 <0.45 <1.0 13,000 5,000 <0.6 <1.2 10,000 5,000 <0.8 <1.6 8,000 5,000 <0.8 <2.0 6,500 5,000 Depth of cut max. 0.8 mm 8.2 Hardened Steels <60 HRC Depth of cut (mm) Width of cut (mm) rpm Feed rate (mm/min) <0.1 <0.2 25,000 4,000 <0.15 <0.3 17,000 3,500 <0.20 <0.4 12,000 3,300 <0.25 <0.5 10,500 3,000 <0.3 <0.6 10,000 4,000 <0.4 <0.8 7,500 4,000 <0.5 <1.0 6,000 3,500 <0.5 <1.2 5,000 3,000 Depth of cut max. 0.5 mm 8.3 Hardened steels <65 HRC Depth of cut (mm) Width of cut (mm) rpm Feed rate (mm/min) 0.1 0.2 24,000 3,500 0.15 0.3 16,000 3,400 0.20 0.4 12,000 3,100 0.25 0.5 10,000 2,900 0.3 0.6 9,000 2,900 <0.4 <0.8 7,000 2,900 <0.5 <1.0 5,500 2,800 <0.5 <1.2 4,500 2,500 Depth of cut max. 0.5 mm 8.3 Hardened steels <70 HRC Depth of cut (mm) Width of cut (mm) rpm Feed rate (mm/min) <0.06 <0.2 17,000 2,600 <0.09 <0.3 11,000 2,400 <0.12 <0.4 8,000 2,100 <0.15 <0.5 6,000 2,000 <0.18 <0.6 6,000 2,000 <0.24 <0.8 4,800 2,000 <0.30 <1.0 3,800 2,000 <0.30 <1.2 3,200 1,800 Depth of cut max. 0.3 mm Processing information: 1. Conditions must be: ridgid machine circumstances and excellent holders. 2. Reduce the cutting data when you machine with long neck length. 3. The stated cutting date belongs to a neck length of max 4×D and a tapered workpiece of max. 15°. 4. I f the corneradius of the workpiece contour is smaler than 1.5× end mill radius or the worpiece contour ist to steep, you have to reduce the cutting data up to 50% HPC-Roughing HSC-Roughing Recommended cutting data for Karnasch solid carbide ball nose 3D – 4 flutes Recommended cutting data for Karnasch solid carbide ball nose 3D – 4 flutes 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
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