HOT PRESSING MOLD, AND MANUFACTURING METHOD OF HOT PRESSING MOLDING BY USING THE HOT PRESSING MOLD

PROBLEM TO BE SOLVED: To realize such a structure that can produce a hot pressing molding of higher dimensional accuracy with higher productivity in a hot pressing machine having an upper mold and a lower mold.SOLUTION: An upper mold 11 comprises: an upper mold body 15 formed therein with a pluralit...

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Bibliographische Detailangaben
Hauptverfasser:	SUZUKI TOSHIYA, NAKAZAWA YOSHIAKI, NOMURA SHIGEHIKO, FUKUCHI HIROSHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMISTRY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To realize such a structure that can produce a hot pressing molding of higher dimensional accuracy with higher productivity in a hot pressing machine having an upper mold and a lower mold.SOLUTION: An upper mold 11 comprises: an upper mold body 15 formed therein with a plurality of refrigerant passages 12 and on a contact face with a steel plate 2 with a plurality of coolant exhaust nozzles 11b which is the exit of the refrigerant passages 12; and one-off valves 31 individually disposed in the refrigerant passages 12 in the upper mold body 15.SELECTED DRAWING: Figure 1 【課題】上金型及び下金型を有する熱間プレス機において、より高い寸法精度の熱間プレス成形品を、より高い生産性で製造可能な構成を実現する。【解決手段】上金型１１は、内部に複数の冷媒流路１２が形成されているとともに、鋼板２との接触面に、複数の冷媒流路１２の出口である複数の冷媒噴出孔１１ｂが形成された上金型本体１５と、上金型本体１５内の複数の冷媒流路１２にそれぞれ設けられた開閉弁３１とを備える。【選択図】図１