Keiji Nakamura

Surface coated cermet cutting tool having hard coating layer exhibiting excellent chipping resistance in high-speed intermittent cutting of high hardness steel

Surface coated cutting tool having hard coating layer exhibiting excellent wear resistance in high-speed cutting of heat resistant alloy

SURFACE-COATED CUTTING TOOL WITH HARD COATING LAYER HAVING EXCELLENT WEAR RESISTANCE

SURFACE COATED CUTTING TOOL HAVING HARD COATING LAYER EXHIBITING EXCELLENT WEAR RESISTANCE

SURFACE COATED CUTTING TOOL MADE OF CERMET HAVING PROPERTY-MODIFIED ALPHA TYPE Al2O3 LAYER OF HARD COATING LAYER HAVING EXCELLENT CRYSTAL GRAIN INTERFACE STRENGTH

Surface coated cermet cutting tool having hard coating layer exhibiting superior chipping resistance in high-speed cutting of material hard to cut

Surface coated cermet-made cutting tool having hard coating layer exhibiting chipping resistance in high-speed cutting material hard to cut

Surface covered cermet made cutting tool on which hard covered layer displays excellent chipping resistance

Surface coated cubic boron nitride sintered material-made cutting tool having excellent chipping resistance in hard coated layer

Cutting tool of surface-coated cemented carbide with hard coat layer achieving excellent abrasion-resistance in high speed cutting