Heat treatment and machining micro-deformation control process method for duplicate gear

The invention provides a duplicate gear heat treatment and machining micro-deformation control process method which comprises the following steps: S10, carburizing operation: after rough machining of a duplicate gear, vertically hoisting the duplicate gear into a carburizing furnace for carburizing...

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Bibliographische Detailangaben
Hauptverfasser:	WANG YUJUN, YOONAGONBAEK, DING YUELING, WANG CHUNCAO, YANG YIJUN, LI XIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY 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 COMBINED OPERATIONS DIFFUSION TREATMENT OF METALLIC MATERIAL GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MACHINE TOOLS MAKING GEARS OR TOOTHED RACKS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS OTHER WORKING OF METAL PERFORMING OPERATIONS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING UNIVERSAL MACHINE TOOLS
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Beschreibung
Zusammenfassung:	The invention provides a duplicate gear heat treatment and machining micro-deformation control process method which comprises the following steps: S10, carburizing operation: after rough machining of a duplicate gear, vertically hoisting the duplicate gear into a carburizing furnace for carburizing operation; s20, the duplicate gear is subjected to finish machining; s30, high-temperature destressing tempering is conducted, specifically, the machining internal stress of the duplicate gear is released; s40, quenching treatment of the duplicate gear; s50, inner hole grinding operation: grinding the inner hole of the duplicate gear, and aligning the pitch circle run-out of a straight-tooth pinion and the end face run-out of a bull gear in the duplicate gear, so that the pitch circle run-out and the end face run-out of the bull gear meet the requirements; and S60, gear accurate grinding is conducted, specifically, a new gear grinding core rod is adopted for conducting gear accurate grinding operation on the duplic