(3) CBN Insert: Suit for the component which hardness is above HRC45, CBN Insert also can be divided into Brazed PCBN Insert and Solid CBN Insert. (2) Ceramic Cutters: Suit for the component which hardness is between HRC40~55, and avoid interrupt cutting. (1) Coating Carbide Insert: Suit for the component which hardness is below HRC45, with low cutting speed. If it is small qty production, you can choose suitable carbide insert, If it is mass production, we can choose coating carbide insert, ceramic insert and cbn insert depending on the component hardness and working allowance. The cutting tool materials of hard turning For some cutting process which need coolant, you can choose CBN Grade BN-H20 and BN-H10. For the component which size is affected by the temperature, the customers can choose wind coolant. If with coolant, it will lower the cutting force and Increase wear, and then shorten the tool life, so it doesn’t need to add the cutting fulid. Turning instead of Grinding is formed through making the materials annealing. Dry Cutting or Wet Cutting for turning instead of grinding process And Halnn BN-H10 C25 coating pcbn will extend the tool life about 1 more times than common cbn insert. In current times, the roughness with turning instead of grinding can reach Ra0.4, if with wiper insert, the insert life will extend. What roughness can the surface be achieved with hard turning instead of grinding? So the efficiency will be improved obviously. Generally, the metal remove rate is about 3~4 times of grinding process, and the energy costs only about 20% of grinding process. Hard Turning instead of Grinding improve the efficiency The following will share you some experience on hard turning insert and hard turning process advantages. Turning instead of grinding has been widely used in many different industries. Hard Turning instead of Grinding is using turning process as the final or finishing process instead of grinding process.
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