Insert has diamond-like carbon coating.

Press Release Summary:



Grade DL1000, with blue-luster diamond-like carbon (DLC) coating, maintains corrosive resistance and low friction coefficient of .05-.2 and promotes good chip control. Aluminum-alloy adhesion on edge is suppressed to decrease cutting resistance. Generation of build-up edge is suppressed, maintaining sharpness of edge. Insert suits dry machining of aluminum alloys and non-ferrous applications.



Original Press Release:



Sumitomo Introduces DL1000 Grade Inserts with DLC Coating



Mount Prospect, IL (October 14, 2002) - Engineers from Sumitomo Electric Industries, Ltd. have developed the world's first insert grade with Diamond-Like Carbon Coating (DLC), the DL1000, for the dry machining of aluminum alloys and non-ferrous applications.

Previously, in the first stages of harsh-environment cutting, coatings would peel and lose their beneficial properties. The DL1000 with blue luster DLC coating for aluminum effectively maintains its properties that include high hardness, excellent lubrication, very low friction coefficient, very smooth surface, corrosive resistance and longer tool life.

The DL1000 promotes good chip control and has a low friction coefficient of µ=0.05 - 0.2 - even without lubricants. Aluminum alloy adhesion on the edge can be suppressed even in dry machining, thereby decreasing cutting resistance. Furthermore, generation of a build-up edge is suppressed, thereby maintaining the sharpness of the edge and improving the quality of the cutting material. Chips are removed well, preventing the cutting material from being scratched by chips and preventing deterioration of the machined surface caused by re-adhesion to the cutting material.

For more information, contact Sumitomo Electric Carbide. Inc., 1001 Business Center Drive, Mount Prospect, IL 60056, Phone: (800) 880-0619, Fax: (847) 635-9335, e-mail: info@sumicarbide.com, or visit the Sumitomo Web site at www.sumicarbide.com

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