Chip Breaker

A new crown-shaped MF5 chipbreaker from Seco Tools Inc. (Warren, MI) is optimized for the medium/finishing application area commonly associated with near net machining.

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A new crown-shaped MF5 chipbreaker from Seco Tools Inc. (Warren, MI) is optimized for the medium/finishing application area commonly associated with near net machining. The groove is designed to generate low cutting forces and to allow for high feed rates when the depth of cut is between 0.020 and 0.100 in. (0.5 and 2.7mm). Field tests of the MF5 as compared to competitive chipbreakers revealed that MF5 significantly increased tool life in 67 percent of the applications and offered an improvement in chip control in 41 percent of the tests. Features include its unique three-pronged crown shape as well as its designed-in chip deflectors and cooling ditches, which are beneficial at low depth of cut and work well with ultra-high pressure coolant. Additionally, its open geometry results in the reduction of cutting forces. The chipbreaker also features a ground island, which improves insert seating and the conduction of heat away from the workpiece and cutting edge. The device is offered in a choice of positive C- and standard W-style inserts and choice of grades TK1000, TK2000, TP1000, TP3000 and the newly-announced DurAtomic TP2500.