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MILLING
NPA 28/2017



ISO TURN

New CBN Tipped Inserts for Hard Part Turning

Highlights

ISCAR is expanding the geometry range of ISOTURN CBN tipped inserts.



Following market demand for hard part turning and the successful performance results of the currently available CBN inserts, ISCAR is expanding the range of geometries, edge preparations and CBN grade options.



ISCAR PCBN Grades



 
Recommended cutting conditions for uncoated CBN Grades

Workpiece
material
Grade Description Cutting mode Feed
mm/rev
Depth of cut
mm
Continuous cut

Light interrupted

Heavy interrupted

Cutting speed M/Min
H
Hardness
steel
50-65
HRC
IB05H High speed continuous hard turning 100-300 - - 0.03-0.18 0.05-0.30
IB10H Continuous to light interrupted grade for superior surface finish 30-200 30-150 - 0.03-0.18 0.05-0.30
IB20H Continuous to ordinarily interrupted turning 30-200 30-200 - 0.03-0.25 0.05-0.50
IB25H Tough grade for heavily interrupted turning - - 30-200 0.03-0.25 0.05-0.50
IB90 Toughest grade for heavily interrupted turning - - 30-120 0.03-0.30 0.05-0.50






Recommended cutting conditions for hardened steel with coated CBN Grades 50-65HRC

Workpiece
material
Grade Description Cutting mode Feed
mm/rev
Depth of cut
mm
Continuous cut

Light interrupted

Heavy interrupted

Cutting speed M/Min
H
Hardness
steel
50-65
HRC
IB25HC Coated grade for interrupted turning - - 100-220 0.05-0.25 0.10-0.50
IB25HA Coated grade for light interrupted turning - 100-220 - 0.05-0.25 0.05-0.50
IB20HC Coated grade for high speed interrupted turning - 150-250 150-200 0.05-0.25 0.05-0.50
IB10HC Coated grade for high speed continuous turning 150-300 100-300 - 0.05-0.20 0.05-0.30






Insert Designation Code Key

Chipbreaker:
HF- Finishing
HM- Medium cutting
01-30: application range according to
the ISO 513 classification and
application of cutting materials
Insert size


Number of
cutting edges

ISO Scale:
H- Hardened steel
S- Exotic materials
Wiper
Edge preparation type:
R- Roughing/interrupted: 0.13 mmx35°
M- Medium/light interrupted: 0.13 mmx25°
F- Finishing/continuous: 0.13 mmx15°
S- Sharp edge
H- Honed (0.03-0.04 mm)
T- 0.14 mmx20°
Coating type & solid:
C- TiN/Ti (C, N, O) coated tipped insert
A- Ti (C, N) coated tipped insert
B- Uncoated solid
D- TiN coated solid





Recommended CBN Edge Preparation For Typical Applications

Honed 0.03-0.04 (mm) for superior surface/continuous
Finishing / continuous: 0.13mmX15°+honing
Medium / light interrupted: 0.13mmX25°+honing
Medium / light interrupted: 0.14mmX20°+honing
Roughing/ interrupted: 0.13mmX35°+honing






CNGA-2 (CBN)
80° Rhombic Inserts with 2 CBN Tips for Machining Hardened Steel,
Sintered Metals and High Temperature Alloys



DNGA-2 (CBN)
55° Rhombic Inserts with 2 CBN Tips for Machining Hardened Steel,
Sintered Metals and High Temperature Alloys



VNGA-2 (CBN)
35° Rhombic Inserts with 2 CBN Tips for Machining Hardened Steel,
Sintered Metals and High Temperature Alloys



CCGW/CCMW-2 (CBN)
80° Positive Rhombic Inserts with 2 CBN Tips for Machining Hardened Steel,
Sintered Metals and High Temperature Alloys



DCGW/DCMW-2 (CBN)
55° Positive Rhombic Inserts with 2 CBN Tips for Machining Hardened Steel,
Sintered Metals and High Temperature Alloys



VCGW-2 (CBN)
35° Positive Rhombic Inserts with 2 CBN Tips for Machining Hardened Steel



VBGW/VBMW-2 (CBN)
35° Positive Rhombic Inserts with 2 CBN Tips for Machining Hardened Steel
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