Crankshaft thrust journal with sink groove

Neck and two thrust surfaces. In this case, even if the formed grinding wheel is used, as long as the use of strong cooling, a reasonable grinding margin and a good choice of grinding wheel parameters, the appearance of grinding burn defects can generally be avoided. When grinding the thrust journal with a narrow grinding wheel, the solution can be used: adjust the program and the Angle of the grinding wheel, and then exit quickly. In the above grinding, strong cooling should be applied. At this point, the thrust journal and the two sides are finished grinding.