The car crankshaft shortened after overhaul

You want to ask why the crankshaft of a car has shortened after overhaul? The fillets at both ends of the crankshaft journal are too small. According to the query on the Pacific Automotive Network, when grinding the crankshaft, the grinder failed to correctly control the shaft radius of the crankshaft. In addition to the rough surface processing, the radius of the fillet was also too small. When the crankshaft was working, large stress was generated at the fillet. Centralized, and shortened crankshaft.