Control method of hollow gear shaft carburization and quenching distortion

The invention discloses a control method of hollow gear shaft carburization and quenching distortion. The original hollow gear shaft production process foundation is improved; and a through hole is formed on a hollow gear shaft after the carburization process and before the quenching process, and th...

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Bibliographische Detailangaben
Hauptverfasser:	NIE XINLIN, LIU XIAOKE, LI DEFU, LI GUANG, YIN LITAO, CHEN YANFANG, XI ZHIYONG, TAO KAI, YU SHENJUN, SHI RUXING, LIN YICHOU, YU WENPING, LANG QINGBIN, DAI BOJIE, ZHANG FENG
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 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 MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The invention discloses a control method of hollow gear shaft carburization and quenching distortion. The original hollow gear shaft production process foundation is improved; and a through hole is formed on a hollow gear shaft after the carburization process and before the quenching process, and the allowance is 8-12mm. By adopting the control method disclosed by the invention, the loin-drum deformation and axial deformation can be greatly reduced; and simultaneously the addendum circle size is slightly larger than that before quenching, the size off-tolerance of the addendum circle and the common normal line is completely avoided, the amount of the subsequent processing is reduced, the cost is saved, the efficiency is increased and the control method has the advantage of obvious economic benefit.