UPSETTING MACHINE

PURPOSE:To reduce the size of a device without requiring so much rigidity of a die frame by installing split dies which grip a blank pipe into a container and receiving upsetting force with the container. CONSTITUTION:An upsetting machine consists of split die holders 35a, 36b having a truncated con...

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Bibliographische Detailangaben
Hauptverfasser:	KAWASHIMA YUUJI, KONISHI HIROMICHI
Format:	Patent
Sprache:	eng
Schlagworte:	FORGE FURNACES FORGING HAMMERING MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PRESSING METAL PUNCHING METAL RIVETING TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To reduce the size of a device without requiring so much rigidity of a die frame by installing split dies which grip a blank pipe into a container and receiving upsetting force with the container. CONSTITUTION:An upsetting machine consists of split die holders 35a, 36b having a truncated cone shape, containers 37a, 37b, a clamping cylinder 39 for pushing and pulling the holders 36a, 36b into an axial center direction, and a pressing device. Said holders 36a, 36b hold split dies 34a, 34b for forming two forming die holes. The containers 37a, 37b couple slidably the holders 36a, 36b by means of dovetail grooved joints 38a, 38b and are supported movably in the direction intersecting orthogonally with the pressing direction of a blank pipe 33. The above-described pressing device is mounted changeably in a vertical position on the end part of a heating slide and is formed of a punch and mandrel for working the end face of the pipe 33.