Through analyzing of the problem of friction damage to the surface of concrete test pieces caused by the eccentric clamping apparatus,the design of mechanism has been improved so as to solve the difficulty of friction damage and increase the efficiency,release the work force and enhance the accuracy of experimental data.

Giving examples of its application in the design of curve eccentric clamp mechanisms, circular wedgy scarf joints and relieving shaped cutters and so on, this paper illuminates its application prospect in many fields of mechanical design and manufacturing engineering.