AC4000K Turning Grades Provide Double the Wear Resistance

Originally titled 'Turning Grades Provide Double the Wear Resistance'

Sumitomo Electric Carbide Inc.’s AC4010K and AC4015K series turning grades for cast iron feature technologies that result in a longer and stable tool life and crystal orientation control technology that provides double the wear resistance during high-speed machining.

Sumitomo Electric Carbide Inc.’s AC4010K and AC4015K series turning grades for cast iron are said to feature technologies that result in a longer and stable tool life. Consisting of a smooth cutting edge treatment, the AC4000K series’ use of high-adhesion technology improves peeling resistance, the company says. In addition, crystal orientation control technology provides double the wear resistance during high-speed machining compared with conventional products. The residual stress control technology of the AC4000K series further contributes to wear resistance.

Recommended for the precision cutting of gray cast iron, the extra-thick coating of the AC4010K grade allows for high-speed machining (vc = 2,300 sfm). Its special surface treatment provides compressive stress and chipping resistance.

Recommended for the general purpose cutting of ductile cast iron, the coating of the AC4015K grade provides longer and stable tool life while the range of applications includes cast-iron brake discs and flywheels and ductile iron gear cases. Chipbreaker selection includes the EGU for low rigidity work, the ENZ for general finishing, the EGZ for extra cutting edge strength and the EME for strong and sharp high-feed cutting.

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