... friction clutch 2,Imported hydraulic overload protection device 3,Eight-side long rectangle guides Features: 1,Straight type and separated- ... structure including three parts: crossbeam, uprights and base tightened by four tensile screw rods, high rigidity and less deformation. 2, ... , to ensure reliable safety and flexible action. 4, Eight-side long rectangle guides of the slide in high moving precision ...