Abstract
the this manipulator's design this design instruction booklet mainly regarding the screw clamp, expands and contracts the arm, the design concept which and the design process the hydraulic system and the PLC control programming carries on. The content mainly includes: The screw clamp and the expansion arm overall concept's determination, has used the hydraulic pressure and the electrically operated driving system, corresponding involving to electrical machinery and hydraulic cylinder's choice computation, gross structure design, major component's stress analysis and intensity examination.