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Spindle speedometer

Dia. (Vc) Cutting Speed m/min
D 20 30 40 50 60 70 80 90 >>100~
0.2 31,
850
47,
770
63,
690
79,
620
95,
540
111,
460
127,
390
143,
310
0.3 21,
230
31,
850
42,
460
53,
080
63,
690
74,
310
84,
930
95,
540
0.4 15,
920
23,
890
31,
850
39,
810
47,
770
55,
730
63,
690
71,
660
0.5 12,
740
19,
110
25,
480
31,
850
38,
220
44,
590
50,
960
57,
320
0.6 10,
620
15,
920
21,
230
26,
540
31,
850
37,
150
42,
460
47,
770
0.7 9,
100
13,
650
18,
200
22,
750
27,
300
31,
850
36,
400
40,
950
0.8 7,
960
11,
940
15,
920
19,
900
23,
890
27,
870
31,
850
35,
830
0.9 7,
080
10,
620
14,
150
17,
690
21,
230
24,
770
28,
310
31,
850
1 6,
370
9,
550
12,
740
15,
920
19,
110
22,
290
25,
480
28,
660
1.4 4,
550
6,
820
9,
100
11,
370
13,
650
15,
920
18,
200
20,
470
1.6 3,
980
5,
970
7,
960
9,
950
11,
940
13,
390
15,
920
17,
910
1.8 3,
540
5,
310
7,
080
8,
850
10,
620
12,
380
14,
150
15,
920
2 3,
180
4,
780
6,
370
7,
960
9,
550
11,
150
12,
740
14,
330
2.2 2,
900
4,
340
5,
790
7,
240
8,
690
10,
130
11,
580
13,
030
2.4 2,
650
3,
980
5,
310
6,
630
7,
960
9,
290
10,
620
11,
940
2.6 2,
450
3,
670
4,
900
6,
120
7,
350
8,
570
9,
800
11,
020
2.8 2,
270
3,
410
4,
550
5,
690
6,
820
7,
960
9,
100
10,
240
3 2,
120
3,
180
4,
250
5,
310
6,
370
7,
430
8,
490
9,
550
4 1,
590
2,
390
3,
180
3,
980
4,
780
5,
570
6,
370
7,
170
5 1,
270
1,
910
2,
550
3,
180
3,
820
4,
460
5,
100
5,
730
6 1,
060
1,
590
2,
120
2,
650
3,
180
3,
720
4,
250
4,
780
7 910 1,
360
1,
820
2,
270
2,
730
3,
180
3,
640
4,
090
8 800 1,
190
1,
590
1,
990
2,
390
2,
790
3,
180
3,
580
9 710 1,
060
1,
420
1,
770
2,
120
2,
480
2,
830
3,
180
10 640 960 1,
270
1,
590
1,
910
2,
230
2,
550
2,
870
11 580 870 1,
160
1,
450
1,
740
2,
030
2,
320
2,
610
12 530 800 1,
060
1,
330
1,
590
1,
860
2,
120
2,
390
13 490 730 980 1,
220
1,
470
1,
710
1,
960
2,
200
14 450 680 910 1,
140
1,
360
1,
590
1,
820
2,
050
15 420 640 850 1,
060
1,
270
1,
490
1,
700
1,
910
16 400 600 800 1,
000
1,
190
1,
390
1,
590
1,
790
17 370 560 750 940 1,
120
1,
310
1,
500
1,
690
18 350 530 710 880 1,
060
1,
240
1,
420
1,
590
19 340 500 670 840 1,
010
1,
170
1,
340
1,
510
20 320 480 640 800 960 1,
110
1,
270
1,
430
21 300 450 610 760 910 1,
060
1,
210
1,
360
22 290 430 580 720 870 1,
010
1,
160
1,
300
23 280 420 550 690 830 970 1,
100
1,
250
24 270 400 530 660 800 930 1,
060
1,
190
25 250 380 510 640 760 890 1,
020
1,
150
26 240 370 490 610 730 860 980 1,
100
27 240 350 470 590 710 830 940 1,
060
28 230 340 450 570 680 800 910 1,
020
29 220 330 440 550 660 770 880 990
30 210 320 420 530 640 740 850 960


Dia. (Vc) Cutting Speed m/min
D >>~90 100 120 140 150 180 200 250 300
0.2 159,
240
191,
080
222,
930
238,
850
286,
620
318,
470
398,
090
477,
710
0.3 106,
160
127,
390
148,
620
159,
240
191,
080
212,
310
265,
390
318,
470
0.4 79,
620
95,
540
111,
460
119,
430
143,
310
159,
240
199,
040
238,
850
0.5 63,
690
76,
430
89,
170
95,
540
114,
650
127,
390
159,
240
191,
080
0.6 53,
080
63,
690
74,
310
79,
620
95,
540
106,
160
132,
700
159,
240
0.7 45,
500
54,
590
63,
690
68,
240
81,
890
90,
990
113,
740
136,
490
0.8 39,
810
47,
770
55,
730
59,
710
71,
660
79,
620
99,
520
119,
430
0.9 35,
390
42,
640
49,
540
53,
080
63,
690
70,
770
88,
460
106,
160
1 31,
850
38,
220
44,
590
47,
770
57,
320
63,
390
79,
620
95,
540
1.4 22,
750
27,
300
31,
850
34,
120
40,
950
45,
500
56,
870
68,
240
1.6 19,
900
23,
890
27,
870
29,
860
35,
830
39,
810
49,
760
59,
710
1.8 17,
690
21,
230
24,
770
26,
540
31,
850
35,
390
44,
230
53,
080
2 15,
920
19,
110
22,
290
23,
890
28,
660
31,
850
39,
810
47,
770
2.2 14,
480
17,
370
20,
270
21,
710
26,
060
28,
950
36,
190
43,
430
2.4 13,
270
15,
920
18,
580
19,
900
23,
890
26,
540
33,
170
39,
810
2.6 12,
250
14,
700
17,
150
18,
370
22,
050
24,
500
30,
620
36,
750
2.8 11,
370
13,
650
15,
920
17,
060
20,
470
22,
750
28,
430
34,
120
3 10,
620
12,
740
14,
860
15,
920
19,
110
21,
230
26,
540
31,
850
4 7,
960
9,
550
11,
150
11,
940
14,
330
15,
920
19,
900
23,
890
5 6,
370
7,
640
8,
920
9,
550
11,
460
12,
740
15,
920
19,
110
6 5,
310
6,
370
7,
430
7,
960
9,
550
10,
620
13,
270
15,
920
7 4,
550
5,
460
6,
370
6,
820
8,
190
9,
100
11,
370
13,
650
8 3,
980
4,
780
5,
570
5,
970
7,
170
7,
960
9,
950
11,
940
9 3,
540
4,
250
4,
950
5,
310
6,
370
7,
080
8,
850
10,
620
10 3,
180
3,
820
4,
460
4,
780
5,
730
6,
370
7,
960
9,
550
11 2,
900
3,
470
4,
050
4,
340
5,
210
5,
790
7,
240
8,
690
12 2,
650
3,
180
3,
720
3,
980
4,
780
5,
310
6,
630
7,
960
13 2,
450
2,
940
3,
430
3,
670
4,
410
4,
900
6,
120
7,
350
14 2,
270
2,
730
3,
180
3,
410
4,
090
4,
550
5,
690
6,
820
15 2,
120
2,
550
2,
970
3,
180
3,
820
4,
250
5,
310
6,
370
16 1,
990
2,
390
2,
790
2,
990
3,
580
3,
980
4,
980
5,
970
17 1,
870
2,
250
2,
620
2,
810
3,
370
3,
750
4,
680
5,
620
18 1,
770
2,
120
2,
480
2,
650
3,
180
3,
540
4,
420
5,
310
19 1,
680
2,
020
2,
350
2,
510
3,
020
3,
350
4,
190
5,
030
20 1,
590
1,
910
2,
230
2,
390
2,
870
3,
180
3,
980
4,
780
21 1,
520
1,
820
2,
120
2,
270
2,
730
3,
030
3,
790
4,
550
22 1,
450
1,
740
2,
030
2,
170
2,
610
2,
900
3,
620
4,
340
23 1,
380
1,
660
1,
940
2,
080
2,
490
2,
770
3,
460
4,
150
24 1,
330
1,
590
1,
860
1,
990
2,
390
2,
650
3,
320
3,
980
25 1,
270
1,
530
1,
780
1,
910
2,
290
2,
550
3,
180
3,
820
26 1,
220
1,
470
1,
710
1,
840
2,
200
2,
450
3,
060
3,
670
27 1,
180
1,
420
1,
650
1,
770
2,
120
2,
360
2,
950
3,
540
28 1,
140
1,
360
1,
590
1,
710
2,
050
2,
270
2,
840
3,
410
29 1,
100
1,
320
1,
540
1,
650
1,
980
2,
200
2,
750
3,
290
30 1,
060
1,
270
1,
490
1,
590
1,
910
2,
120
2,
650
3,
180


    
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