Analysis on the manufacture of corrugated roller

At present, most manufacturers use composite treatment, and nitriding or chromium plating after intermediate frequency quenching. The thickness of the nitride layer is 0.5? ~ 0.6 ?, and the thickness of the chromium plating layer is 0.10? ~ 0.15 ?. The mainstream process is chromium plating after intermediate frequency quenching. In order to meet this requirement, 42CrMo and 48CrMo forgings are now mostly used in materials of various manufacturers to meet their hardenability and hardenability.

The service life of the composite processing roller is 8-9 million meters. In order to win the leading position in the market, manufacturers have tried new steel grades in materials and adopted new technologies in the process to form a situation where three mainstream processes of medium frequency quenching after chromium plating, tungsten carbide spraying after intermediate frequency quenching and laser quenching chrome plating compete and advance , Provides a variety of solutions for the selection of carton manufacturers. The market demand will eventually become the direction of which process dominates, and the market will make choices based on quality and cost.

After the three processes

(1) → Grinding → Intermediate Frequency Quenching → Stress Relief → Sandblasting → Chrome Plating (Thickness 0.10 ~ 0.15?) — Life is 8-9 million meters

(2) → Grinding → (Intermediate Frequency Quenching) → Sandblasting → Preheating → Priming → Spraying Tungsten Carbide (Thickness 0.05 ~ 0.06?) → Grinding—Lifetime is 20-50 million meters;

(3) → Grinding → Laser quenching → Grit blasting → Chrome plating (thickness 0.05 ~ 0.10?) — Life is 13 ~ 15 million meters.

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