NON-COATED CBN SERIES

OUTLINE

Mitsubishi Materials is one of the few tool manufacturers producing it's own sintered CBN for use in CBN tools. The original CBN material, honing, brazing and other technologies translates to CBN inserts are especially effective for efficient, high speed and accurate machining of hardened steel and cast iron.

FEATURES

CBN tool material is produced by mixing the primary component CBN (cubic boron nitride), which has a hardness second only to diamond, with a special ceramic or metal binder. It is then sintered at a pressure of over 5GPa and at a temperature of 2192°F or higher.
CBN has lower affinity to iron than diamond. The low affinity and high hardness properties means that sintered CBN delivers superior cutting performance especially during high speed machining of materials such hardened steel, cast iron and sintered alloys.

HARDNED STEEL MACHINING

Grade	Grade Features and Application	Main Component
	General Purpose Turning By employing a "Particle-activated Sintering Method", the new sintered CBN technology is recommended for continuous cutting from medium to high speeds.	CBN (Micro Grain) TiN Al2O3
	For High Speed Continuous Cutting It features improved wear resistance due to impregnation with larger CBN particles.	CBN TiN Al2O3
	For Continuous to Medium Interrupted Cutting Excellent balance of wear resistance and fracture resistance due to introduction of micro-grain CBN particles.	CBN (Micro Grain) TiC Al2O3
	For Heavy Interrupted Cutting Improved grade employing micro-grain CBN particles. Excellent fracture resistance for use in heavy interrupted cutting.	CBN (Micro Grain) TiN Al2O3

CUTTING PERFORMANCE

Continuous Cutting

Workpiece: : Hardened steel (60HRC)
Feed: : .004IPR
Depth of Cut: : .0039inch
Wet Cutting

Interrupted Cutting

Workpiece: : Hardened steel (60HRC)
External Interrupted Cutting 8 Groove
Cutting Speed: : 490SFM
Feed: : .004IPR
Depth of Cut: : .0078inch
Dry Cutting

SINTERED ALLOY MACHINING

FEATURES AND RECOMMENDED CUTTING CONDITIONS

For General Cutting

High CBN content and a special binder to bind CBN particles allows MB4020 to deliver long tool life for the machining of sintered alloys. A general-purpose grade suitable for the machining of various sintered alloys with different hardness, structures and varied workpiece geometries. For General Cutting

CUTTING PERFORMANCE

Continuous Cutting of High Density Sintered Alloy

Workpiece: : High Density Sintered Alloy
Insert: : NP-CNGA432
Cutting Speed: : 620SFM
Feed: : .006IPR
Depth of Cut: : .004inch
Wet Cutting

Continuous Cutting of Sintered Alloy

Workpiece: : Sintered Alloy
Insert: : NP-CNGA432
Cutting Speed: : 330SFM
Feed: : .006IPR
Depth of Cut: : .004inch
Wet Cutting

CAST IRON MACHINING

Grade	Grade Features and Application	Main Component
	For General Cutting General purpose grade with well balanced wear and fracture resistance.	CBN TiC Al2O3
	For High Speed Continuous Through Interrupted Cutting Uses a metallic binder improving the overall fracture resistance.	CBN (High Content) Co Base Alloy
	Large Depth of Cutting High Efficiency Solid CBN therefore no restriction on depth of cut enabling high machining efficiency.	CBN AIN (Solid)

CUTTING PERFORMANCE

Continuous Cutting

Workpiece: : AISI-35
Insert: : TNGA332
Feed: : .004IPR
Depth of Cut: : .0039inch
Dry Cutting

Workpiece: : AISI-35
Insert: : TNGA332
Feed: : .004IPR
Depth of Cut: : .0059inch
Wet Cutting

TOP

BACK