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3-3.
Operation tips
Open pulley case and check if spindle speed min-1or/min (R.P.M.) is correct for your job.
Recommended
Drill
Cast Iron
m/m
2
4780 2390 1275
3
3185 1590
4
2390
5
1910
6
1590
7
1365
8
1195
9
1060
10
955
11
870
12
795
13
735
14
680
15
640
16
600
17
560
18
530
19
500
20
480
25
380
30
320
40
240
Processing is adjustable on the cutting materials as well as the material of the cutting to real cutting conditions.
note
:
Speed Selection
Steel
850
1195
640
955
510
795
425
680
365
600
320
530
285
480
255
435
230
400
210
365
195
340
180
320
170
300
160
280
150
265
140
250
135
240
130
190
100
160
85
120
65
Material
Iron
635 3980 1910 7960 3980 4460 2230
425 2650 1275 5310 2655 2970 1485
320 1990 955 3980 1990 2230 1115
255 1590 765 3185 1590 1785
210 1330 640 2655 1330 1485
180 1140 545 2275 1140 1275
160
995
480 1990 995 1115
140
885
425 1770 885
125
800
380 1590 800
115
725
350 1450 725
105
665
320 1330 665
100
610
295 1225 610
90
570
270 1135 570
85
530
255 1060 530
80
500
240
75
470
225
70
440
210
67
420
200
65
400
190
50
320
155
45
265
130
30
200
95
8
Aluminium Alloy Copper
990
890
910
745
685
635
600
995 500
560
935 470
525
885 440
495
835 420
470
795 400
445
640 320
355
530 265
300
400 200
225
890
745
635
555
495
445
405
370
340
320
300
280
260
250
235
225
180
150
110
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