With the analyze to the use condition of weapon system and contact fuse technical requirement, the paper provides piezoelectric fuse scheme with high transient and good omnidirection.

Random fatigue design of universal joint in rolling mill main drive;

Why breakage happens at the flat head of universal joint in medium plate mill;

Inactivation analysis of cross head universal joint of main rolling mill;

4 drive universal spindle,was broken down in its root part,which caused failure phenomenon.

Based on the analyses of fracture sec tion,material phisical -chemical properties and its fatique strength for the universal spindle used in Bao-Steel teeming ladle transfer car,t he causes of the spindle failure were found.

The gear-petal style cardan shaft used in screw drilling tools;

The broken shaft trouble of SWC440 cardan shaft is checked and analyzed.

Firstly,the rule and cause of rupture failure for the cardan shaft of the DF 4D type freight diesel locomotive are discussed and Then,the methods on how to deal with the rupture failure of the cardan and the other failures resulted from the different small fuel quantity of different injection pump equipped on the same diesel engine are introduced.

The testifying method of ternary complex for the rotation angle relation of the two transmission shaft in Hooke s universal joint;

Research of universal joint product configuration on KBE;

Causes of and a preventive measure for falling-away of the universal joint of Jiefang CA1111K2LW logging truck;