Novel knurled stepped miniature shaft

The utility model discloses a novel knurled stepped miniature shaft which comprises a shaft body, an axial through hole is axially formed in the shaft body, and a hard alloy positioning block is arranged in the axial through hole in an embedded mode. A hard alloy reinforcing layer is welded to the o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LIN MIN, LIU LINGYUN, YE GENGBIAO, SHAN BAONAN, CAI ZHIDAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a novel knurled stepped miniature shaft which comprises a shaft body, an axial through hole is axially formed in the shaft body, and a hard alloy positioning block is arranged in the axial through hole in an embedded mode. A hard alloy reinforcing layer is welded to the outer circle face of the shaft body, and a first chromium plating layer is fixedly arranged on the outer circle face of the hard alloy reinforcing layer. A first extension shaft is arranged at the left end of the shaft body, a first connecting shaft is integrally arranged at the right end of the first extension shaft, the right end of the first connecting shaft is inserted into the left end of the axial through hole, and the first connecting shaft is fixedly welded to the left end of the shaft body; a second extension shaft is arranged at the right end of the shaft body, a second connecting shaft is integrally arranged at the left end of the second extension shaft, the left end of the second connecting shaft is inse