Drum in hat brake disk for vehicle and manufacturing method thereof

A drum in hat brake disc that includes a main braking part and a hat part coupled to the main braking part with a sprayed coating layer formed on a frictional surface of therein. And a manufacturing method includes the steps of casting a main braking part and seating the main braking part in a mold...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Chung Min Gyun, Kim Yoon Cheol
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BLASTING BRAKES CHEMICAL SURFACE TREATMENT CHEMISTRY CLUTCHES COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COUPLINGS FOR TRANSMITTING ROTATION DIFFUSION TREATMENT OF METALLIC MATERIAL ENGINEERING ELEMENTS AND UNITS FERROUS OR NON-FERROUS ALLOYS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MECHANICAL ENGINEERING METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION THERMAL INSULATION IN GENERAL TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	A drum in hat brake disc that includes a main braking part and a hat part coupled to the main braking part with a sprayed coating layer formed on a frictional surface of therein. And a manufacturing method includes the steps of casting a main braking part and seating the main braking part in a mold and injecting an aluminum alloy melt into the mold to form a hat part. The method also includes the steps of cooling the main braking part and the hat part and separating the mold to manufacture the drum in hat brake disk. The method includes polishing a surface of an inner diameter part of the hat part and performing a short blast process of the surface using alumina. The method also includes forming a sprayed coating layer on the inner diameter part subjected to the short blast process.