SP9Roughing to finishing of ductile cast iron & gray cast iron｜ Coated Silicon Nitride Ceramic

Covers roughing to finishing operations

An extremely tough material and CVD coating combine to achieve excellent fracture and wear resistance

Achieve long tool life even at a low cutting speed range (Vc = 980 SFM) due to the CVD coating

Product video (Metric ver.)

Features

  • The combination of an extremely tough grade with a CVD coating achieves excellent fracture resistance and wear resistance
  • Lighter edge preparations reduce tool pressure
  • Excellent for finishing operations

Tooling application

Ductile / Gray cast iron
Turning/Milling

Grade characteristics

Cutting conditions

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Grade Material Operation type Machining Cutting speed (SFM)) Feed(IPR / IPT) DOC(inch) Coolant
SP9 Gray cast iron Turning Turning Roughing ~ Finishing 1200 - 2700 .012 - .024 - .140 DRY
Ductile cast iron 800 - 1800 .006 - .016 - .120 DRY
Gray cast iron Milling Milling Roughing ~ Semi-Finishing 1200 - 2500 .003 - .010 - .240 DRY
Ductile cast iron 1300 - 2600

Gray cast iron rough turning application

Gray cast iron milling application

Case study

Differential case
Material :
Ductile cast iron
Workpiece condition :
with scale
Cutting speed :
1500 SFM (SP9)
670 SFM (CVD coated carbide)
Feed :
.0138 IPR
DOC :
.0591 inch
Coolant :
DRY
SP9

C/T 30 seconds / part
Competitor’s CVD coated carbide

C/T 60 seconds / part
SP9 machined at a higher speed than the competitor's CVD coated carbide and reduced cutting time by 50%.
Auto parts
Material :
Ductile cast iron
Workpiece condition :
with scale
Cutting speed :
2000 SFM
Feed :
.0039 IPT
Feed :
71 IPM
DOC :
.0787 IPR×3PASS
Coolant :
DRY
SP9

1,300 pcs/ corner
Competitor's silicon nitride ceramic

800 pcs/ corner
SP9 achieved 1.6 X higher tool life than the competitor's ceramic.

Tool lineup

Please check product catalog for tooling lineup

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