CLUTCH

A clutch includes: a rotor that has a steel material as a base material and is rotated upon receiving a rotational drive force from a drive source; and an armature that has a steel material as a base material and receives the rotational drive force from the rotor when the armature is attracted to th...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUMOTO Hirotaka, KAWAKAMI Satoshi, UEDA Motohiko, TOBAYAMA Masashi, YAMAGAMI Yousuke
Format:	Patent
Sprache:	eng
Schlagworte:	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 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 WEAPONS
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Beschreibung
Zusammenfassung:	A clutch includes: a rotor that has a steel material as a base material and is rotated upon receiving a rotational drive force from a drive source; and an armature that has a steel material as a base material and receives the rotational drive force from the rotor when the armature is attracted to the rotor by a magnetic force. The armature has a contact surface side region that includes a contact surface, which contacts a counterpart when the armature is attracted to the rotor. The contact surface side region has a plurality of pores opened at the contact surface and forms a nitride compound of an element of the base material through nitridization of a part of the base material while the contact surface side region is harder than an unreacted portion of the base material that is not reacted at the nitridization.