automatically, so fillet to produce the best pressive stress and improve fatigue strength of the crankshaft. The key technology is the crankshaft surface hardening heat treatment. Generally normalizing, anizational preparations for the surface treatment. Surface Treatment generally use induction hardening or nitriding process, a few manufacturers have also introduced a rounded quenching technology and equipment. Ductile iron crankshaft has many advantages, widely used at home and abroad. But the overall level and that there isa considerable gap, with the exception of small production scale, poor management, the main gap is still lagging behind the manufacturing process. Learn from foreign advanced technology and technology is to increase the level of the crankshaft manufacturing shortcut.
全文预览
