2014-2015 Полный каталог инструмента Mitsubishi (Митсубиси) EN
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CBN CBN & PCD TURNING INSERTS
a Suitable for high speed finishing of heat treated steel, sintered ferrous
alloy and cast iron.
a Low affinity to iron, thus good surface finishes are possible.
a Grinding can be replaced by machining.
SELECTION STANDARD
aHeat Treated Steel
Work Material Type Cutting Mode Recommended Recommended Cutting Conditions
Structural Steel Grade Cutting Speed (m/min) Feed (mm/rev) Depth of Cut (mm)
Esp. Carburized Steel 35 65
High speed MBC010 250 (150 400) 0.2 0.2
HRC finishing cutting
High Alloy Steel
Coated Continuous cutting MBC020 200 (80 250) 0.2 0.3
for general purpose
Heavy interrupted cutting BC8020 200 (80 250) 0.3 0.8
for general purpose 150 (60 200) 0.2 0.3
Interrupted cutting
for general purpose
Continuous cutting 180 (80 250) 0.3 0.5
for general purpose
Non-coated
Interrupted cutting MB8025 120 (60 150) 0.2 0.3
for general purpose
Continuous to light 120 (70 150) 0.3 0.5
interrupted cutting
Heavy interrupted MB835 100 (50 120) 0.3 0.5
cutting
aCast Iron Workpiece Cutting Speed (m/min) Feed Depth of Cut Coolant
Structure 250 500 750 1000 1250 (mm/rev) (mm)
Work Material
GG25 Ferritic + Pearlitic MBS140 1.0
Gray Cast Iron Pearlitic MB710 MB730 0.5 MBS140 Dry,Wet
Pearlitic
GG30 5.0
Alloy Cast Iron 0.4 0.5 Dry,Wet
GGG40 Ferritic MB710
Ductile Cast Iron Ferritic + Pearlitic MB730 0.4 0.5 Dry,Wet
Pearlitic
GGG70
aSintered Alloy Recommended Recommended Cutting Conditions
Grade
Work Material Cutting Speed (m/min) Feed (mm/rev) Depth of Cut (mm)
MB4020
General Sintered Alloy MB4020 250 (80 300) 0.2 0.3
High Density Sintered Alloy MB4020, MB835
150 (80 250) 0.2 0.3
Sintered Alloy
100 (80 150) 0.2 0.3
aValve Seat
Amount of Hard Particles None or Small Large
350
Hardness of Workpiece (HV) 150 250 300
Plunge Cut MB730 MB835
MB730
Traverse Cut MB710 MB835
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