<br /> <br /> <br /> <br /> ITEM<br /> <br /> <br /> DISCRIPTION<br /> <br /> <br /> TECHNICAL PARAMETER<br /> <br /> <br /> <br /> <br /> 1<br /> <br /> <br /> Material<br /> <br /> <br /> 45# steel ,alloy seamless steel tube and forging pieces<br /> <br /> <br /> <br /> <br /> 2<br /> <br /> <br /> Structure<br /> <br /> <br /> All kind of passageways or jacket-type design<br /> <br /> <br /> <br /> <br /> 3<br /> <br /> <br /> Processing<br /> <br /> <br /> Ground precisely with 3M USA abrasive materials , treated through advanced heat treatment process for materials multi- destressing ,quenching.surface anti-glossing with automatic sand blaster or matte.highly efficient heef-25 micro -crack hard-chrome plating<br /> <br /> <br /> <br /> <br /> 4<br /> <br /> <br /> Precision<br /> <br /> <br /> Surface finish: mirror polishing; (also available: sand finish, spray finish, chemical corrosion finish, engraving, laser curving, cutter curving...) <br /> Roll body material: Fine quality Seamless steal pipe, integrated forging 45# steel; 20# steel; 42CrMoA steel alloy, etc. <br /> Roll shaft material: 45 steel, integrate forging; <br /><br /> Roughness Ra0.01,(smooth finish:level 14),cooling or heating temperature difference <+/-1 degree,temperature distortion<0.01mm , flatness <0.005mm ,pulsation<0.005mm,surface hardness HRC55-58,hardness after chrome plating and polishing HV1000(hrc62)<br /> <br /> <br /> <br /> <br /> 5<br /> <br /> <br /> Usage<br /> <br /> <br /> Adaptable to treatment of calendering and flat glossing of plastic ,Coatings<br /><br /> <br /><br /> Metal sheets and metallic foils/films Decorative printing Flexoprinting / packaging Flooring Glass / glass ceramics Derived timber products Automotive / artificial leather Plastics Leather Paper Other applications Tissue Ultrasonic applications Nonwoven / textile Corrugated paper<br /> <br /> <br /> <br />