U GROOVE WORKING METHOD FOR ALUMINUM ROLLER METAL FITTING

PURPOSE:To form U shaped groove in short time with good efficiency by forming with pressing U shaped groove corner part by metal die, then by forming with rough pressing the intermedium part in U shaped groove by metal die and by forming for finishing at the final stage. CONSTITUTION:The slit groove...

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Bibliographische Detailangaben
Hauptverfasser:	MAENO TOKUKI, NAGATSUMA KATSUYOSHI, MATSUBARA SENTARO
Format:	Patent
Sprache:	eng
Schlagworte:	MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS 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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Beschreibung
Zusammenfassung:	PURPOSE:To form U shaped groove in short time with good efficiency by forming with pressing U shaped groove corner part by metal die, then by forming with rough pressing the intermedium part in U shaped groove by metal die and by forming for finishing at the final stage. CONSTITUTION:The slit groove 4 having no defect of notch, etc. on the corner part is formed by the pressing of the slit groove metal die 3 to form U shaped groove on aluminum roller material 1. U shaped groove 2 is then subjected to rough finishing by leaving the finishing allowance with U shaped groove rough finishing metal die 5. Finally the U shaped groove is subjected to finishing formation with pressing of the U shaped groove finishing metal die 5a. The U shaped groove of the aluminum roll 1 is formed in short time with good accuracy by simple technique. The groove 6 prevents the slipping of the metal die by the locating groove in each stage.