Recommended Cutting Condition
Technical Data [ WHPB902 series ]
[ TXB304, TXB204 ...series ] WORKPIECE HARDNESS STRENGTH DIAMETER(mm)
2 3 4 5 6 8 10 12 14 16 18 20
ALLOY STEELS, TOOL STEELS
HARDENED STEELS
~ HRc30
HRc30 ~ HRc45
~ 1000N/mm2
1000 ~ 1500N/mm2
CAST IRON
ALUMINUM ALLOYS
HRc45 ~ HRc50 1500N/mm2
RPM 15,400
FEED 1,000
RPM 11,400
FEED 600
RPM 5,000
FEED 200
RPM 13,100
FEED 300
RPM 38,500
FEED 600
14,300
900
10,700
600
4,800
200
8,800
300
25,600
600
11,200
900
8,900
700
4,500
200
6,400
400
19,300
600
9,800
1,100
7,800
700
3,900
200
5,200
500
15,100
700
9,100
1,300
7,400
1,100
3,400
200
4,300
500
12,900
700
7,600
1,600
6,100
1,200
2,600
300
3,100
700
9,900
800
6,800
2,000
5,400
1,300
2,200
300
2,600
700
7,700
800
6,200
2,300
4,900
1,400
1,900
300
2,200
700
6,400
900
5,700
2,200
4,500
1,400
1,600
300
1,800
700
5,400
900
5,100
2,200
4,000
1,400
1,400
300
1,600
700
4,800
800
4,800 4,400
2,100 2,100
3,800 3,500
1,300 1,300
1,300 1,200
300 300
1,400 1,300
700 600
4,300 3,700
800 800
WORKPIECE
ALLOY STEELS/CARBON STEELS
PREHARDENED STEELS
HARDENED STEELS
HARDNESS STRENGTH DIAMETER(mm)
~HRc35 ~1100N/mm2
~HRc35~ HRc45 1100~1500N/mm2 RPM FEED 40,000 500 30,000 630 30,000 810 30,000 1,020 30,000 1,260 30,000 1,500 30,000 1,980 30,000 2520 28,800 2,580 28,800 2,700 28,680 2,880 19,080 3,180 14,340 3,180 10,680 2,940 8,040 2,460 6,420 2,100 5,340 1,860 4,008 1,500 3,210 1,320 2,580 1,170 2,060 950
HRc45~HRc55 1500~2000N/mm2 RPM FEED 33,000 400 27,000 575 27,000 720 27,000 900 27,000 1,140 27,000 1,320 27,000 1,800 27,000 2,280 25,800 2,310 25,800 2,400 24,000 2,400 15,900 2,400 12,000 2,400 9,000 2,250 6,600 1,860 5,400 1,620 4,500 1,440 3,360 1,440 2,700 1,020 2,160 900 1,730 730
0.1 0.2 0.3 0.4 0.5 0.6 0.8 1.0 1.2 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 12.0 16.0 20.0 25.0
RPM 40,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 29,820 19,860 14,940 11,160 8,340 6,660 5,580 4,170 3,340 2,670 2,130
FEED 550 720 900 1,140 1,440 1,740 2,340 2,880 3,060 3,240 3,420 3,600 3,600 3,480 2,910 2,520 2,220 1,770 1,590 1,410 1,150
[ WHPB902, WB502, WB502…P series ] ALLOY STEELS, CARBON STEELS WORKPIECE WORKPIECE
DIAMETER HARDNESS
(mm) STRENGTH DIAMETER(mm) 20
0.1
250.2 300.3 400.4
0.5
500.6
[ ZR304H, ZR324H series ] WORKPIECE
N0N-ALLOYED STEELS ALLOY STEELS · CAST IRON
ALLOY STEELS, HEAT RESISTANT STEELS
HARDENED STEELS
HARDNESS
~ HRc30
HRc30 ~ HRc45
HRc45 ~ HRc55
STRENGTH
~ 1000N/mm2
1000 ~ 1500N/mm2
1500 ~ 2000N/mm2
DIAMETER(mm)
RPM
FEED
RPM
FEED
RPM
FEED
6 8 10 12
7,000
910
4,200
560
3,000
140
5,300
980
3,200
530
2,500
190
4,100 3,500
840 730
2,500 2,100
410 340
2,050 1,700
165 140
RPM=rev. / min. FEED=mm / min.
0.8 1.0 1.2 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 12.0 16.0 20.0 25.0
RPM = rev. / min. FEED = mm / min.
Alloy Steels SM50C,SCM,GC Carbon (~HRc30)Steels (SCM, SNCM, S45C) RPM ~HRc35 FEED -1 2 (mm ) ~1100N/mm (mm/rev) RPM FEED 1600 152 40,000 550 130030,000 136 720 110030,000 120 900 80030,000 96 1,140 30,000 1,440 65030,000 88 1,740 30,000 2,340 30,000 2,880 30,000 3,060 30,000 3,240 29,820 3,420 19,860 3,600 14,940 3,600 11,160 3,480 8,340 2,910 6,660 2,520 5,580 2,220 4,170 1,770 3,340 1,590 2,670 1,410 2,130 1,150
PREHARDENED STEELS
HARDENED STEELS
STD61,STD11Steels Prehardened (HRc30 ~ HRc45) (NAK, CENA, KP4)
STD61Steels Hardened (HRc45 ~ HRc55) (SKD, SKT, STAVAX)
RPM HRc35~HRc45FEED 2 (mm-1)1100~1500N/mm (mm/rev) RPM FEED 950 88 40,000 500 750 72 630 30,000 30,000 650 64 810 30,000 500 561,020 30,000 1,260 400 481,500 30,000 30,000 1,980 30,000 2,520 28,800 2,580 28,800 2,700 28,680 2,880 19,080 3,180 14,340 3,180 10,680 2,940 8,040 2,460 6,420 2,100 5,340 1,860 4,008 1,500 3,210 1,320 2,580 1,170 2,060 950
RPM HRc45~HRc55 FEED 2 (mm-11500~2000N/mm ) (mm/rev) RPM FEED 560 44 33,000 400 450 36 575 27,000 27,000 370 32 720 27,000 280 24 900 27,000 1,140 220 20 27,000 1,320 27,000 1,800 27,000 2,280 25,800 2,310 25,800 2,400 24,000 2,400 15,900 2,400 12,000 2,400 9,000 2,250 6,600 1,860 5,400 1,620 4,500 1,440 3,360 1,140 2,700 1,020 2,160 900 1,730 730
0.03D
1.0D
0.2D
Ap 0.05D
0.05D
498
499 ap
ap
0.2D