MANUFACTURE OF CAM SHAFT

PURPOSE:To reduce weight of a cam shaft and simplify a process of its manufacture, by performing cold forging work of low carbon steel, forming a cam piece and journal piece, brazing the cam and journal pieces to a steel pipe shaft, and then cementing, gradually cooling and processing high-frequency...

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Bibliographische Detailangaben
1. Verfasser:	ARAKAWA TADAOKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING 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 CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DIFFUSION TREATMENT OF METALLIC MATERIAL ENGINEERING ELEMENTS AND UNITS GEARING GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MACHINE TOOLS MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PUNCHING METAL SOLDERING OR UNSOLDERING SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PURPOSE:To reduce weight of a cam shaft and simplify a process of its manufacture, by performing cold forging work of low carbon steel, forming a cam piece and journal piece, brazing the cam and journal pieces to a steel pipe shaft, and then cementing, gradually cooling and processing high-frequency quenching to the cam part and journal part. CONSTITUTION:Low carbon steel is performed cold forging work to prepare a cam piece and journal piece, and these pieces are built in to a steel pipe shaft and applied brazing to prepare a cam shaft rough shaped material. Then the cam shaft rough shaped material is performed cementation treatment by using RX gas as a cementing material. The cam shaft material is gradually cooled, and then finish abrasive work is performed to rich carbonized cam and journal parts to form necessary surface roughness and obtain a cam shaft.