Study on cutting force and surface micro-topography of hard turning of GCr15 steel

  • Tao Chen
  • Suyan Li
  • Bangxin Han
  • Guangjun LiuEmail author


This work investigates the cutting force and surface micro-topography in hard turning of GCr15 bearing steel. A series of experiments on hard turning of GCr15 steel with polycrystalline cubic boron nitride (PCBN) tools are performed on a CNC machining center. Experimental measurements of cutting force, 3D surface micro-topography, and surface roughness of the workpiece are performed. The 3D surface micro-topography of the workpiece is discussed, and the formation mechanism of the 3D surface is analyzed. The influence of cutting speed and feed rate on cutting force and surface roughness are discussed. The 2D and 3D surface roughness parameters are compared and discussed. It is found that feed rate has greater influence on cutting force and surface roughness than cutting speed and there exists the most appropriate cutting speed under which the minimum surface roughness can be generated while a relatively small cutting force can be found. Recommendations on selecting cutting parameters of hard turning of GCr15 steel are also proposed.


Hard turning GCr15 steel Cutting force Surface micro-topography Surface roughness 


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© Springer-Verlag London 2014

Authors and Affiliations

  1. 1.School of Mechanical and Power EngineeringHarbin University of Science and TechnologyHarbinPeople’s Republic of China
  2. 2.School of Mechanical EngineeringTongji UniversityShanghaiPeople’s Republic of China

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