WPR-D – Helical Ball Nose Insert LC610Q

LMT-Fette is pleased to announce the helical-shaped, extremely free-cutting geometry of our new WPR-D Helical Ball Nose insert. The new insert provides long tool life and excellent surface finishes when machining complex work pieces. The use of traditional inserts with straight cutting edges typically results in unequal cutting forces, as well as increased vibration, shorter tool life and slower feed rates. The WPR-D helical cutting edge results in incremental entry of the cutter and significantly reduces vibration for a soft, peeling cut. The WPR-D insert cutting edge is designed to always be under a load for increased stability and further reduced vibration.

The new WPR-D Helical Ball Nose inserts are designed to meet the demands of the growing segment of high-speed machining in the die and mold market, on tool steels up to 60 Rc. The inserts, with their free-cutting action, consistently proves to be a finishing tool of choice. Super-fine carbide substrate combined with a unique helical grind and PVD ALCrN coating result in a new standard for semi-finishing ball milling applications.

WPR-D Helical Ball Nose inserts are designed for die and mold materials commonly used, such as tools steels P20, H13, A2, and D2. WPR-D helical inserts can also provide excellent tool life in softer alloy materials, less than 45 Rc. With its new enhanced coating, the LC610Q insert grade is suitable for either wet or dry milling applications.

The primary advantage of LMT-Fette’s new WPR-D Helical Ball Nose insert is its ability to cut freely, reduce vibration and extend tool life. The WPR-D insert geometry exhibits a helical cutting action, providing soft, peeling cutting to the center of the insert, and in turn reducing horsepower and increasing insert stability.


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