Disk-type shear knife and its heat treating technology

A disk-type shear knife is made up of No.45 steel with carbon content of 0.45-0.50%. Its heat treating technology features quenching at 850-870 deg.C for 2-3 min/mm, cooling agent, circulating water and tempering at 300-320 deg.C for 8-15 min/mm.

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Bibliographische Detailangaben
Hauptverfasser:	GUANGZHAO BI, YUNSHOU ZHANG
Format:	Patent
Sprache:	eng
Schlagworte:	BROACHING CHEMISTRY FILING GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR MACHINE TOOLS 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 PERFORMING OPERATIONS PLANING SAWING SCRAPING SHEARING SLOTTING TRANSPORTING
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Beschreibung
Zusammenfassung:	A disk-type shear knife is made up of No.45 steel with carbon content of 0.45-0.50%. Its heat treating technology features quenching at 850-870 deg.C for 2-3 min/mm, cooling agent, circulating water and tempering at 300-320 deg.C for 8-15 min/mm.