Machining process method of large forge piece lifting hook

The invention provides a machining process method of a large forge piece lifting hook. The machining process method comprises the following steps of 1, material selecting and blanking, 2, forging, 3,normalizing and high temperature tempering, 4, shell making, 5, thermal refining, 6, load testing, an...

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Bibliographische Detailangaben
Hauptverfasser:	WANG ZHIJUN, LU RONGCHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY COMBINED OPERATIONS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MACHINE TOOLS MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS OTHER WORKING OF METAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING UNIVERSAL MACHINE TOOLS
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Beschreibung
Zusammenfassung:	The invention provides a machining process method of a large forge piece lifting hook. The machining process method comprises the following steps of 1, material selecting and blanking, 2, forging, 3,normalizing and high temperature tempering, 4, shell making, 5, thermal refining, 6, load testing, and 7, comprehensive inspecting and flaw detecting after load testing. The forge piece lifting hook prepared by the process can meet the overall load capacity and the internal quality of the lifting hook. 本发明提供了种大型锻件吊钩的加工工艺方法，包括以下步骤：步骤1、选材下料；步骤2、锻造；步骤3、正火加高温回火；步骤4、制壳；步骤5、调质处理；步骤6、负载试验；步骤7、负载试验后进行全面检查和探伤。本工艺制作处的锻件吊钩能够满足吊钩的整体载重量及其内部质量。