Solid Tungsten Carbide Tools Grinding Cracks

Local instantaneous temperature of solid tungsten carbide tools too high.is the main factor that affects solid tungsten carbide tools grinding cracks.

Local instantaneous temperature of solid tungsten carbide tools too high.will form a surface layer of shallow ground pressure stress distribution and high tensile stress near the surface layer, causing further solid tungsten carbide tools grinding surface layer changes in mechanical properties. This instantaneous high temperature up to 1000 ℃, the surface layer of solid carbide tools cause grinding burn. Tool grinding burn will destroy the surface layer of tissue, so that the deterioration of the quality of the surface, seriously affecting the strength of solid tungsten carbide cutting tools, wear resistance and service life; therefore cause solid tungsten carbide tools grinding cracks.

Thus, in the grinding process should be to minimize and prevent instantaneous high temperature generation, will reduce and avoid the residual tensile stress. Therefore, not only to prevent solid tungsten carbide tools grinding cracks, we must also avoid grinding burn.
 

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