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AH8000 Series Inserts

Tungaloy Corp. has introduced the AH8000 series of PVD grades and chipbreakers for turning heat resistant alloys. The new PVD grades feature impressive resistance to both wear and fracture due to the world’s first nano-multi-layered AlTiN coating with high Al content and dramatically reduces notch wear, crater wear and built-up edge in machining heat resistant alloys.

Drilling Ductile

Some coatings, such as TiAlN, enable dry machining when drill ductile cast iron, but coolant is desirable to help evacuate the material's small, curled chips. Flood coolant can be appropriate for holes less than 1.5 to 2 diameters deep, according to Bob Jennings, product manager for Ingersoll Cutting Tools, Rockford, Ill. Jennings noted that the toolmaker offers standard Qwik-Twist replaceable-point drills to drill up to 8 diameters deep.

Powdered metallurgy

Watch a video presentation from Seco Tools LLC about the tools and techniques suggested for machining powdered metallurgy. The company reports that inserts with Seco Tool’s Duratomic CVD aluminum-oxide coating can work well for P/M components. The Duratomic technology promotes growth of coating crystals in certain crystallographic directions to improve coating properties.

PVD Coating

Platit Inc. recently hosted an open house in Libertyville, Ill., where the Switzerland-based toolcoating company presented cutting-tool and wear-part coating machines based on plasma-generating physical vapor deposition technology. The animation here offers an "insider's" view of the company's coating equipment. 

Pramet SF & SM insert geometries

Dormer Pramet now offers Pramet SF and SM geometries for machining of high temperature alloys and stainless steel, the company announced Jan. 27. The SF geometry features a sharp positive geometry with an inclination cutting edge of 14.5° while the SM chip-breaker is a wear-resistant, universal geometry for medium machining.

P6005-WKK45C point drill insert

P6005-WKK45C point drill insert
In a news release issued Jan. 16, Walter USA LLC, Waukesha, Wis., unveiled its P6005-WKK45C point drill insert that reportedly brings new levels of performance and cost effectiveness to drilling cast materials (ISO K) as well as other materials. The P6005-WKK45C insert design features a new high-performance geometry for maximum productivity in cast iron materials, and 110° prismatic seat for minimal run-out and stable positioning.

Crystal persuasion

A random arrangement is all well and good when it comes to avant-garde music, but the random crystal growth direction found in conventional CVD alumina cutting tool coatings can create weak areas where cracks form, shortening tool life.