Page 24 - Die_and_Molds_User_Guide_7861458_2017

135 125 115 120 115 110 100 120
H
IC330 M 160 140 120 135 125 120 110 130

185 170 135 150 140 150
L 130 125
150 135 120 125 125 70
H 120 115 115 190 160
IC830 M 170 150 135 140 135 125 120 140 220 185 80
Basic speed Vo, m/min, for grades and type of machining
200 180 170
L 150 170 150 140 135 260 200 100
H 220 200
DT7150 M 250 220

L 300 250

H 200 180 170 160 125 110 105 220 200
Milling Tools
IC810 M 230 200 190 180 150 135 125 250 220

L 260 240 215 200 180 165 150 300 250
H 220 200
IC5100 M 250 220

Table 9 Basic Speed Vo for Selected Grades in Relation to Type of Machining*
L 300 250
H 220 200 180 170 165 170 115 140 200 180 80
IC808 M 240 220 200 200 185 190 135 170 220 200 100 55 45

L 300 280 240 230 215 210 165 200 260 240 120 75 65
Hardness HB <250 <250 >250 <300 <300 >300 <350 <250 >325 <250 <300 <300 HRC 45-49 HRC 50-55 HRC 56-63

Workpiece Material Material σ T , N/ mm 2 group** <850 1 <850 2-4 >850 <1000 5 <1000 6, 7 >1000 <1200 8, 9 <850 10 >1100 <1450 11 <850 12, 13 <1000 15-16 <1000 17-18 >1480 <1700 38.1 >1700 <2000 38.2 >2000 <2500 39 *** Milling hardened steel see under the appropriate chapter for further discussion.

Type Plain carbon steel Alloy steel and tool steel Martensitic s.s. Grey cast iron Nodular cast iron Hardened steel*** ISCAR material group in accordance with VDI 3323 standard

ISO Class DIN/ISO 513 P M K H For 20 min. tool life. - First choice for grades

* **

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