CBN Machining parameters

  Typical Machining Parameters using DR-50/450 Tool Inserts

 

 

 Workpiece Material
Approximate Hardness (Hrc)
Speed  (m/min)
Feed (mm/min)
Typical Depth of Cut (mm)
 Coldwork Tool Steels
 60
 60 - 200
 0.05 - 0.2
 0.01 - 0.5
 Highspeed Steels
 62
 60 - 120
 0.06 - 0.2
 0.01 - 0.5
 Bearing Steels
 60
 60 - 180
 0.05 - 0.2
 0.01 - 0.5
 Hot Work Die Steels
 50
 150 - 250
 0.06 - 0.2
 0.01 - 0.5
 Surface Hardened  Parts
 62
 60 - 250
 0.02 - 0.2
 0.01 - 0.5
 Cast Iron (fully Pearlitic)
 -
 400+
 0.02 - 0.2
 0.01 - 0.5

 

   Typical Machining Parameters using DR-80/85 Tool Inserts

 

 

 Workpiece Material
Approximate Hardness (Hrc)
Speed  (m/min)
Typical Depth of Cut (mm)
Feed Rate (mm/rev)
 NI - Hard Cast Iron
58
 50 - 100
2.5
< 0.3
 White/chill Cast Iron
55
60 - 100
2
< 0.4
 Highspeed Steel
62
60 - 120
2
<0.2
 Coldwork Tool Steel
60
80
2
<0.25
 NI - Cr Irons
58
55
2
< 0.3
 Sintered Irons
200 hb
300
0.5
< 0.1
 Grey Cast Iron
 220 hb
500 - 1000
0.5 - 2.0
< 0.1 - 0.4
 Hard Facing Allows -  Cobalt Based
from 35
200 - 250
1
< 0.25
 Hard Facing Allows -  Nickel Based
from 35
120 - 250
1
< 0.2
 Milling - Meehanite 
55
300
1
< 0.5 (mm/tooth)
 Ni Hard
58
200
1
< 0.25
 Coldwork Tool Steel
60
180
1
< 0.2
 Nickel based Hard  Facing  Allows
from 35
220
1
< 0.3

 

 

 

    Typical Machining Parameters using DR-100 Tool Inserts

 
 
Workpiece Material
Approximate Hardness (Hrc)
Speed  (m/min)
Typical Depth of Cut (mm)
Feed Rate (mm/rev)
 NI - Hard 
58
50 - 100
2.5
< 0.3
 White/chill Cast Iron
55
60 - 100
2
< 0.4
 Highspeed Steel
62
60 - 120
 2
<0.2
 Coldwork Tool Steel
60
80
 2
<0.25
 NI - Cr Irons
58
55
2
< 0.3
 Sintered Irons
200 hb
300
0.5
< 0.1
 Grey Cast Iron
220 hb
500 - 1000
0.5 - 2.0
< 0.1 - 0.4
 Hard Facing Allows -  Cobalt Based
from 35
200 - 250
1
< 0.25
 Hard Facing Allows -  Nickel Based
from 35
120 - 250
1
< 0.2
 Milling - Meehanite
55
300
1
< 0.5 (mm/tooth)
 Ni Hard
58
200
1
< 0.25
 Coldwork Tool Steel
60
180
1
< 0.2
 Nickel based Hard  Facing Allows
from 35
220
1
< 0.3

 
 

  

 

 

 

 

© David Richards Engineering  2008