WIDIA - Полный каталог инструмента - 2017
Advanced Material Inserts
Cutting Material Groups
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The cutting tool materials are classified by the combination
of their hardness and wear resistance characteristics.
The extended standard DIN ISO 513 also includes ceramic
cutting materials and the superhard polycrystalline materials,
boron nitride and diamond, resulting in additional identification
symbols for these cutting material groups.
DP
BN
CA
CM
Polycrystalline Diamond
Cubic Boron Nitride
Ceramics
CN + CC
Cermets
HT
HC
Coated Hard Metal
Uncoated Hard Metal
toughness
HW
main group
hard metal
ceramics
cubic boron nitride
diamond
sub-group
(symbol)
HW
HT
HC
CA
CM
CN
CC
BL
BH
DP
feature
Uncoated WC-base hard metal
Uncoated TiC/TiN-base hard metal (cermets)
Coated hard metal
Al2O3-base oxide ceramics
Composite ceramics Al2O3 + metal carbide
Si3N4-base nitride ceramics
Coated ceramics
Cubic boron nitride (CBN) with low CBN content
Cubic boron nitride (CBN) with high CBN content
Polycrystalline diamond (PCD)
B166
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