Our Products

Sales Contact

SBN K-TIP

  • cBN for Cutting Tools
  • SBN K-TIP™ is a sintered compact of cubic boron nitride (cBN).
  • Use of SBN K-TIP™ is recommended for "Cutting Tools".
  • SBN K-TIP™ has eight grades for a wide range of machining materials.
  • Grades Applications
    KT05Y Powdered metal and cast iron
    KT10 Powdered metal and cast iron
    KT10C Powdered metal
    KT20C Powdered metal and cast iron
    KT25 General-purpose grade for hardened steel and cast Iron,
    having wear resistance and toughness
    KT30 Finishing hardened steel and cast iron
    KT30N Finishing hardened steel
    KT30X Interrupted cutting of hardend steel

Physical Properties

  •   KT05 KT10 KT10 KT20 KT25 KT30 KT30 KT30
    cBN (vo1%) 90 80 80 70 65 60 60 65
    cBN size (µm) 3 3 3 3 2 3 3 1
    Major Binder Co TiN TiC TiC TiCN TiC TiN TiN
    Vickers hardness (GPa) 35 32 32 30 29 29 28 28
    Transverse rupture strength (MPa) 1100 1000 1000 950 950 850 850 1300

Recommended cutting conditions

  • Work piece Recommended type Cutting conditions
    KT
    05Y    		 KT
    10    		 KT
    10C    		 KT
    20C    		 KT
    25    		 KT
    30    		 KT
    30N    		 KT
    30X    		 speed (m/min.) Feed (mm/rev) Cut Depth (mm) P-up
    Structural steel alloy         100-
    -150    		 -0.2 -0.5 Wet or Dry
    Die steel         70-
    -120    		 -0.1 -0.5
    Hardened steel         100-
    -150    		 -0.2 -0.5
    High speed steel               70-
    -120    		 -0.1 -0.5
    Chilled cast iron             100-
    -200    		 -0.5 -2
    Cast iron           200-
    -500    		 -0.5 -2
    Powdered metal           70-
    -120    		 -0.1 -0.5

Wear resistance for hardended steel


  • HR C55 Dry continuous cutting
  • Speed: 100m/min.
  • Feed: 0.1mm/rev
  • Depth of cut: 0.15mm

Fracture resistance of KT30X

  • JIS SKD11 (DIN: X155CrVMo12-1, AISI: D2) HRC60 Dry interrupted cutting
  • Speed: 100m/min.
  • Feed: 0.1mm/rev
  • Depth of cut: 0.15mm

Example of Cutting

  •   KT10 KT25 KT30X
    Processed parts Roll Shaft Mission gear
    Material Chilled cast iron Hardened steel Hardened steel
    Hardness Hs 75 HRC 59 - 62 HRC 58 - 68
    Processing method Finish, turning Facing Facing
    Cutting speed (m/min) 150 100 100
    Feed rate (mm/rev) 0.5 0.05 0.1
    Depth of cut (mm) 1.5 0.2 0.1
    Coolant Water-base Oil-base Water-base
    Results One roll can be consistently processed in 70 minutes with cylindricity tolerances to ± 0.01 Tool life can be extended for 1.5 - 2 times longer than that of other companies' products Tool life can be extended for 1.5 - 2 times longer than that of other companies' products
  • The above performance is representive value and not guaranteed one.
TOP