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The helical-shaped, free-cutting geometry of the WPR-D insert addresses the problems associated with machining complex contoured workpieces. The use of traditional inserts with straight cutting edges is said to typically result in unequal cutting forces, as well as in strong vibration. This can lead to decreased tool life and slow feed rates. The WPR-D’s cutting edge results in incremental entry of the cutter, which reduces vibration, the company says.
Having equal cutting forces enables milling operations with greater chipping depth, high chip removal and less wear.
Editor PickHitting the Coolant Sweet Spot
Toolholders with integrated cutting fluid delivery channels offer threaded, fixed-position nozzles that direct parallel streams of coolant to pre-defined positions at the top of the cutting tool.