Highly Adhesive Coating Layer
Substrate
Smooth Cutting Edge Treatment
Distinguishing from Carbide Grades (example)
Chipbreaker Selection
D Negative type
Emphasis on Chip Control When chips are long Sharp Edge When chattering, burrs or poor machined surface occurs
fine finishing
D Positive type
Emphasis on High E ciency For high-speed / high-feed applications
When rake face wear is the main damage When adhesion is the main damage
Strong Edge When chipping or breakage occurs
Emphasis on Chip Control When chips are long Strong Edge When chipping or breakage occurs
Edge When chattering, burrs or poor machined surface occurs LB type
type GU type For fine finishing LU type
Chipbreaker Application Range
Wear Resistance Through External Continuous Turning (Steel)
1.5x
Comparison of Machined Surfaces in Continuous Facing (Steel)
When flank wear is the main form of damage, wear resistance is higher compared to conventional grades and competitors’ grades Surface finish
Fracture Resistance Through Interrupted External Turning (Steel)
Significantly improved fracture resistance compared to conventional grades and competitors’ grades
Number of times impact can be sustained before breakage (each corner) 0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 9,000
T2100Z
Fracture resistance competitor’s grade or more 3 x
Conventional Grade
Competitor's Grade B
Work Material: Insert:
Cutting Conditions: SCM435 Continuous External Turning CNMG120408 vc = 250m/min f = 0.25mm/rev ap = 1.5mm Wet
Triangular type Negative Inserts / M-class
80° Diamond type Positive Inserts / M-class
55° Diamond type Positive Inserts / G-class
55° Diamond type Positive Inserts / M-class
Triangular type Positive Inserts / M-class
Square type Positive Inserts / M-class (Without Hole)
Triangular type Positive Inserts / M-class (Without Hole)
Application Examples
SCM420H Shaft
Fracture suppressed for stable machining compared to competitor's coated cermet
Tool: DNMG150408N-FE (T2100Z) Continuous turning
Cutting Conditions: vc = 350m/min f = 0.2-0.5mm/rev ap = 0.2-0.8mm
SCM420H Shaft SCM420H Automotive ComponentS53C Hub
Flank wear suppressed compared to competitor’s coated cermet
Tool: DNMG150408N-SE (T2100Z) Continuous turning
Cutting Conditions: vc = 260m/min f = 0.1-0.2mm/rev ap = 0.33mm
SPHD Frame
Stable machining and flank wear suppressed compared to coated carbide (P20)
Flank wear suppressed compared to conventional coated cermet
Tool: DNMG150408N-FE (T2100Z) Continuous turning
Cutting Conditions: vc = 350m/min f = 0.2-0.3mm/rev ap = 0.2-1.0mm
Stable and 1.1x longer tool life compared to conventional coated cermet (P30)
of Workpieces
Tool: DNMG150408N-FL (T2100Z) Continuous turning
Cutting Conditions: vc = 300m/min f = 0.3mm/rev ap = 0.15mm
SPHD Frame
Flank wear suppressed compared to conventional coated cermet
¢ Recommended Cutting Conditions
Mild Steel (SS400, etc.)
Low Carbon Steel
Low-alloy Steel (S10C, SCM415, etc.)
High Carbon Steel
High-alloy Steel (S45C, SCM440H, etc.)
¢ Characteristic Values