BN-S20 SNFN Milling CBN Inserts Rough Milling High Manganese Steels 

1. Advantages of Halnn CBN tools in machining High Manganese Steel parts.

 At present, the cutting tool material suitable for large- allowance roughing high manganese steel is the solid CBN tools. Since the solid CBN tool is made of CBN material, it has high hardness, excellent wear resistance and fracture resistance, and the large amount of rough turning high manganese steel has remarkable effect.

Among them, the solid CBN tool manufacturer represented by Halnn Superhard has developed the BN-S20 grade CBN tool, which has been widely used in the field of high manganese steel roughing, including turning and milling processes, after more than 10 years of training. Both have excellent performance advantages.

2. How to mill High Manganese Steel parts.

Due to the high hardness of high manganese steel itself, coupled with work hardening, it is more difficult to mill high manganese steel. Currently, the tool materials on the market include traditional carbide tools, coated carbide tools, ceramic tools and CBN tools. Among them, traditional carbide tools are suitable for processing workpieces with hardness below HRC40 due to their low hardness. The hardness and performance of coated carbide tools are higher than those of uncoated traditional carbide tools, but the surface coating is wear resistant. The layer is thinner, and when it encounters a hard spot, a chipping may be generated. After the surface wear layer collapses, the performance is the same as that of the uncoated traditional carbide tool, and the tool cost is high; the ceramic tool does not need to say it is very well aware of the brittleness, can only be used in the finishing process of small amount of cutting depth and feed rate; for high manganese steel with large margin, it is recommended to choose CBN tool, especially Halnn superhard BN-S20 grade CBN tool can not only mill high-manganese steel, but also cut it intermittently. It will not collapse when it encounters hard spots.

3.  Halnn BN-S20 grade CBN tool milling high manganese steel cutting parameters.

4. Application

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