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How much heat is generated in the cutting process and how much does it affect the life of the corner radius cutting tool

(Summary description)Metal cutting generates temperatures as high as 800 to 900 °C in the cutting zone where the cutting edge deforms and removes the workpiece material. In continuous turning operations, heat is generated in a stable linear fashion.

How much heat is generated in the cutting process and how much does it affect the life of the corner radius cutting tool

(Summary description)Metal cutting generates temperatures as high as 800 to 900 °C in the cutting zone where the cutting edge deforms and removes the workpiece material. In continuous turning operations, heat is generated in a stable linear fashion.

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Metal cutting generates temperatures as high as 800 to 900 °C in the cutting zone where the cutting edge deforms and removes the workpiece material. In continuous turning operations, heat is generated in a stable linear fashion. In contrast, milling cutter teeth cut in and out of the workpiece material intermittently, and the temperature of the cutting edge rises and falls alternately. The elements of the machining system absorb the heat generated during the metal cutting process. Typically, 10% of the heat goes into the workpiece, 80% into the chip, and 10% into the corner radius cutting tool. In the best case, the chips take away most of the heat, as high temperatures can shorten tool life and damage the part being machined. Today, we take milling as an example to analyze what factors affect cutting heat and corner radius cutting tool life, and how to improve them.

corner radius cutting tool manufacturers

Different thermal conductivity of workpiece materials, as well as other processing factors, can have a significant effect on the distribution of heat. When machining workpieces with poor thermal conductivity, the heat transfer to the corner radius cutting tool increases. Machining a harder material will generate more heat than machining a lower hardness material. In general, higher cutting speeds increase heat generation, and higher feeds increase the area of ??the cutting edge that is affected by high temperatures.

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