Polyamine resin structured stretching die

The invention belongs to the technical field of stretching dies, relates to a polyamine resin structured stretching die and mainly solves the problem of short service life of a spring component in anexisting stretching die. The polyamine resin structured stretching die is mainly characterized by com...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN DEJUN, JIA HONGJU, MA YIMING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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