Appearance of Cruze Variable Timing Wheel Fracture

Why does Cruze variable timing wheel ring?

The reasons of Cruze variable timing rim may be: the gear combination clearance is too large or too small; Incorrect gear tooth profile processing, heat treatment deformation or excessive tooth surface wear; Every time the gear rotates, the meshing clearance is uneven or undercut occurs; There are scars, delamination or broken teeth on the tooth surface. Engine variable valve timing technology (VVT) is one of the new technologies gradually applied to modern automobiles in recent years. Using the engine variable valve timing technology, the intake charge can be increased, the inflation coefficient can be improved, and the torque and power of the engine can be further improved. Variable valve timing valve electronic control system; The world's first valve control system that can control valve opening and closing time and lift at the same time. Compared with ordinary engines, VIEC engines also have four valves per cylinder (two in two rows), a camshaft and a rocker arm. The difference lies in the number and control mode of cams and rocker arms. The change of valve lift is realized by adjusting the structure of the tappet or rocker arm itself, which can adjust the opening and closing degree of the valve, or even not work at all, that is, the so-called cylinder stop and valve stop. The change of valve timing is realized by adjusting the cam phase. Camshaft phase adjuster can achieve the best valve timing setting according to engine load and speed.