MITSUBISHI MATERIALS CORPORATION
BACK


FOR ROLL MB710 MB730 MB820
Recommended Cutting Conditions
Workpiece Grade Cutting Speed
(m/min)		 Feed
(mm/rev)		 Depth of Cut
(mm)
Cast Steel MB820 80
(30－130)		 0.3
(0.1－0.5)
0.2－3.0
Ductile Cast Iron
Granular Cast Iron
Chiled Cast Iron		 MB710 80
(30－130)		 0.3
(0.1－0.5)		 0.2－3.0
High Chromium Steel
High Alloy Steel		 MB820 80
(30－130)		 0.3
(0.1－0.5)		 0.2－3.0
High Speed Steel MB730 50
(20－70)		 0.25
(0.1－0.4)		 0.1－3.0
Camented Carbide MB730 20
(10－30)		 －0.2 －0.2
Application Example
Grade MB710
Cutting Mode Grain Roller Cutting
Workpiece
Cutting Speed
(m/min)		 40 Roughing, 100 Finishing
Feed
(mm/rev)		 0.2
Depth of Cut
(mm)		 7 Roughing, 3 Finishing
Coolant Dry
Conventional Tool Ceramics
Insert SNGN090616
Results 12 hrs roughing is possible. Enabled finishing to be achieved without changing the insert.