Guide pulley block
Part one :
material: copper and plastic
function ;fix
Roundness :<0.01mm
Insulation in the middle of composite block
Part two:
1.It is used in E.D.M /CNC
2.Excellent mechanical performance: high hardness on surface, high bend strength and impact strength, high tensile strehigh tensile strength:
3.The fatigue resistance is equal to cast iron and other metals