Recommended Cutting Condition
0.05D
0.2D
Ap
Technical Data
1.0D
1.0D
0.03D
0.05D
[ WB504 series ]
[ WB542 series ]
WORKPIECE HARDNESS STRENGTH DIAMETER(mm)
1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 12.0
ALLOY STEELS, CARBON STEELS Alloy Steels Carbon Steels (SCM, SNCM, S45C) ~HRc35 ~1100N/mm2 RPM FEED 48,000 3,300 38,400 4,100 31,680 4,600 24,000 5,430 20,130 5,430 16,780 5,430 15,200 6,220 11,300 5,250 9,100 4,590 7,590 4,260
ap
PREHARDENED STEELS Prehardened Steels (NAK, CENA, KP4) ae
HARDENED STEELS
0.05D
Hardened Steels (SKD, SKT, ae STAVAX)
ap : D1~D6=0.2mm HRc35~HRc45 D8~D12=0.3mm 1100~1500N/mm2 ae : 0.2×D
RPM 35,000 28,000 23,100 ap 17,500 14,880 12,400 ae ap : D1~D6=0.2mm 12,200 D8~D12=0.3mm 9,200 ae : 0.05×D 7,350 6,130
ap
FEED 2,350 2,900 3,300 3,880 3,880 3,690 4,500 3,980 3,450 3,190
ap : D1~D4=0.05×D HRc45~HRc55 D5~D8=0.25mm 1500~2000N/mm2 D10~D12=0.3mm ae : 0.1×DRPM FEED
32,000 25,600 21,000 ap 16,000 14,220 ae 11,670 ap : D1~D4=0.05×D 11,100 D5~D8=0.25mm 8,320 D10~D12=0.3mm 6,660 ae : 0.05×D 5,530
ALLOY STEELS, CARBON STEELS
PREHARDENED STEELS
HARDENED STEELS
WORKPIECE
Alloy Steels Carbon Steels (SCM, SNCM, S45C)
Prehardened Steels (NAK, CENA, KP4)
Hardened Steels (SKD, SKT, STAVAX)
HARDNESS
~HRc35 ~1100N/mm2
HRc35~HRc45 1100~1500N/mm2 RPM FEED 25,500 185 25,500 220 24,000 260 24,000 260 20,800 300 17,600 330 17,600 330 16,000 370 13,000 500 11,500 640 10,200 880 8,500 880 7,500 880 6,900 920 Ap 5,600 840 4,850 800 4,350 800
HRc45~HRc55 1500~2000N/mm2 RPM FEED 25,500 160 25,500 200 24,000 220 24,000 220 20,800 250 17,600 280 17,600 280 16,000 320 12,800 400 11,300 590 9,800 850 8,200 850 1.0D 7,200 850 6,500 0.2D 0.2D 880 5,300 800 4,650 770 4,150 770
1.0D 0.02D
0.02D
0.4D
RPM = rev. / min. FEED = mm / min.
0.02D 2D
2D 0.05D
1.5D
1.5D
0.05D
Ap D 0.05D
D
0.5D
HARDNESS STRENGTH DIAMETER(mm)
3.0 4.0 5.0 6.0 8.0 10.0 12.0 RPM = rev. / min. FEED = mm / min.
0.2D 0.02D
ap 1.0D
0.3D
0.05D
ap
0.02D ap
2.0D
ALLOY STEELS, CARBON STEELS Ap PREHARDENED STEELS HARDENED STEELS ae ae Alloy Steels 0.05D ap : D1~D6=0.2mm ap : D1~D4=0.05×D Prehardened Steels Hardened Steels 0.05D Carbon Steels D8~D12=0.3mm D5~D8=0.25mm 0.03D (NAK, CENA, KP4) (SKD, SKT, STAVAX) D10~D12=0.3mm (SCM, SNCM, S45C) ae : 0.2×D ae : 0.1×D ~HRc35 HRc35~HRc45 HRc45~HRc55 ~1100N/mm2 1100~1500N/mm2 1500~2000N/mm2 1.0D 1.5D 1.5D 1.5D RPM FEED RPM FEED RPM FEED ap ap 35,000 2,800 33,0000.1D 2,600 12,000 0.05D 0.05D 900 1.0D 26,000 2,300 25,000 2,200 9,000 800 ae ae 21,000 2,100 20,000 2,000 7,000 700 D D ap : D1~D6=0.2mm 16,000 ap : D1~D4=0.05×D 6,000 17,000 1,900 1,800 650 1.0D 1.0D 1.0D 0.8D1,600 D5~D8=0.25mm 4,500 13,000 1,700 D8~D12=0.3mm 12,000 550 ae : 0.05×D D10~D12=0.3mm 0.02D 0.5D 10,500 1,450 10,000 1,400 3,500 500 ae : 0.05×D 9,000 1,400 8,000 1,300 3,000 450
1.0D 0.02D
0.02D
0.03D
ap
ae
1.0D
0.03D
1.0D ae
ae
0.03D ap : D1~D6=0.2mm ap : D1~D6=0.2mm D8~D12=0.3mm D8~D12=0.3mm ae : 0.05×D ae : 0.05×D
ae
ae
0.02D
0.02D
0.3D
0.02D
2D
0.05D
0.02D
0.02D
0.015D
0.4D
2D
2D
0.05D
2D 0.05D
0.0
0.015D 0.05D
0.35D
1.5D
0.4D
1.5D
1.5D
1.5
0.05D
0.05D
D
D
2D D
0.02D 0.5D
0.5D
(UP TO Ø3:0.2D) (UP TO Ø3:0.2D)
1.5D
1.0D
0.02D
0.05D
2.5D
0.05D
0.05D
0.5D
0.4D
0.05D
2D
0.0
0.03D
0.02D
ap : D1~D4=0.05×D ap : D1~D4=0.05×D D5~D8=0.25mm D5~D8=0.25mm D10~D12=0.3mmD10~D12=0.3mm ae : 0.05×D ae : 0.05×D
0.02D 2.5D
0.05D
ap
1.5D
0.05D
0.2D
ae
ap : D1~D4=0.05×D ap : D1~D4=0.05×D D5~D8=0.25mm D5~D8=0.25mm D10~D12=0.3mmD10~D12=0.3mm ae : 0.1×D ae : 0.1×D
ap
0.3D
0.5D
0
0.05D
1.0D
0.4D
0.05D
502
ap
1.0D
0.5D
0.05D 2.5D
ap
0.2D
0.2D ap
ap
ae ae D ap : D1~D6=0.2mm ap : D1~D6=0.2mm D8~D12=0.3mm D8~D12=0.3mm ae : 0.2×D ae : 0.2×D
0.05D
D
(UP TO Ø3:0.4mm)
1.0D
WORKPIECE
0.2D
0.05D
(UP TO Ø3:0.2D)
[ WB532 series ]
RPM = rev. / min. FEED = mm / min.
1.0D
0.03D
RPM FEED 16,500 80 0.3D 16,500 90 15,300 112 15,300 112 13,300 128 11,200 144 11,200 144 10,180 160 9,500 220 9,250 260 0.4D 8,000 370 6,720 420 5,840 460 0.03D 0.03D 5,500 660 Ap 4,600 740 0.05D 0.05D 4,070 820 3,700 890
0.1 0.2 0.3 0.4 0.5 0.6 0.8 1.0 0.015D 1.5 2.0 3.0 4.0 5.0 6.0 8.0 0.02D 10.0 12.0
0.5D
0.05D
0.02D
STRENGTH 0.03D DIAMETER(mm)
0.03D
2,200 2,700 3,100 3,650 3,650 3,470 3,830 3,350 2,870 2,400
► General Cutting
0.2D
0.2D
1.5D
D
D 0.05D
0.05D
D 0.3D
0.3D
(UP TO Ø3:0.4mm)(UP TO Ø3:0.4mm)
0.05D
503
0.0