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 (Vc = 300m/min) due to the CVD coating

Product video

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 (m/min) Feed(mm/rev) DOC(mm) Coolant
SP9 Gray cast iron Turning Turning Roughing ~ Finishing 350 - 800 0.3 - 0.6 -3.5 DRY
Ductile cast iron 250 - 550 0.15 - 0.4 -3.0 DRY
Gray cast iron Milling Milling Roughing ~ Semi-Finishing 350 - 700 0.07 - 0.25 -6.0 DRY
Ductile cast iron 400 - 800

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 :
450m/min (SP9)
200m/min (CVD coated carbide)
Feed :
0.35 mm/rev
DOC :
1.5 mm
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 :
600 m/min
Feed :
0.10mm/t
Feed :
1,800 mm/min
DOC :
2.0mm/rev×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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