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Copy Mills • M170 ™ Series
Recommended Starting Speeds
„ 
Recommended Starting Speeds [m/min]
Material
Group
P
M
K
N
H
550
320
320
–
–
–
–
–
–
400
540
310
–
–
–
–
–
–
–
175
175
140
TN6525
420
240
240
–
–
–
–
–
–
300
365
190
–
–
–
–
–
–
–
140
140
115
360
205
205
–
–
–
–
–
–
250
280
155
–
–
–
–
–
–
–
95
95
80
410
320
280
235
310
205
190
120
125
275
215
180
–
–
–
–
–
–
–
–
–
–
320
250
215
170
235
160
120
80
80
245
190
160
–
–
–
–
–
–
–
–
–
–
TN6540
280
215
185
145
200
130
80
50
55
220
180
145
–
–
–
–
–
–
–
–
–
–
360
250
215
180
240
160
130
80
85
220
175
155
–
–
–
50
25
70
60
–
–
– 280
190
170
130
180
120
80
50
50
205
155
145
–
–
–
35
20
40
30
–
–
–
Light
Machining General
Purpose
240
170
140
110
150
100
60
40
40
180
140
125
–
–
–
30
10
30
25
–
–
–
NOTE: FIRST choice starting speeds are in bold type.
As the average chip thickness increases, the speed should be decreased.
Recommended Starting Feeds
„ 
Recommended Starting Feeds [mm]
Heavy
Machining
At 6,00 Axial Depth of Cut (ap)
Insert
Geometry
MM
MH
0,33
0,35
5%
0,48
0,70
0,76
1,17
0,24
0,25
10%
0,35
0,50 Programmed Feed per Tooth (fz)
as a % of Radial Depth of Cut (ae)
20%
0,54
0,18
0,26
0,41
0,16
0,84
0,19
0,38
0,63
0,16 30%
0,23
0,33
10%
0,40
0,58 Programmed Feed per Tooth (fz)
as a % of Radial Depth of Cut (ae)
20%
0,63
0,21
0,30
0,47
0,18
0,97
0,22
0,43
0,72
0,19 30%
0,26
0,38
10%
0,47
0,68 Programmed Feed per Tooth (fz)
as a % of Radial Depth of Cut (ae)
20%
0,73
0,24
0,35
0,55
0,21
1,13
0,25
0,50
0,84
0,22 30%
0,30
0,44
10%
0,63
0,91 Programmed Feed per Tooth (fz)
as a % of Radial Depth of Cut (ae)
20%
0,99
0,32
0,47
0,74
0,28
1,53
0,34
0,68
1,14
0,30 30%
0,41
0,59
0,35
0,55 40–100%
0,14
0,21
0,33
0,15
0,30
0,50 Insert
Geometry
MM
MH
0,41
0,63 40–100%
0,17
0,24
0,38
0,17
0,35
0,58 Insert
Geometry
MM
MH
0,48
0,73 40–100%
0,19
0,28
0,44
0,20
0,40
0,67 Insert
Geometry
MM
MH
0,64
0,99 40–100%
0,26
0,38
0,59
0,27
0,54
0,90 Insert
Geometry
MM
MH
At 3,00 Axial Depth of Cut (ap)
Insert
Geometry
MM
MH
0,38
0,40
5%
0,56
0,81
0,88
1,36
0,28
0,29
At 2,00 Axial Depth of Cut (ap)
Insert
Geometry
MM
MH
0,44
0,47
5%
0,65
0,94
1,02
1,59
0,32
0,34
At 1,00 Axial Depth of Cut (ap)
Insert
Geometry
MM
MH
0,60
0,63
5%
0,88
1,28
1,38
2,16
0,43
0,45
NOTE: Use “Light Machining” value as starting feed rate.
M64
widia.com
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TN2505