The Article aims at providing resolution for crack which is caused by carbon compound segregation,grain-size overlevel and high temperature of quenching through analyzing the crack of CrWMn guide-way plate and inspecting carbon compound state,grain-size after forging,and martensite.

Using new technologies of static pressure bearing, static pressure guide and gas bearing, the mold of fresnel lenses mirror was precisely manufactured.

Study on the hot deformation for workbenchsupported by hydrostatic guideway of vertical lathe

Application of Hydrostatic Guideway Supplying with Constant Oil Flow on Heavy Duty Machine Tool;

In this paper,the working principle as well as the type,the advantages and disadvantages of hydrostatic guideways are discussed in detail.