Metal deforming – Tool and/or tool holder – Having unitary tool-face
Patent
1998-02-09
1999-03-09
Jones, David
Metal deforming
Tool and/or tool holder
Having unitary tool-face
72381, 723893, 72413, B21D 502, B21D 3702
Patent
active
058786198
ABSTRACT:
A laminated punch assembly (20) is adapted for use in a press brake to bend sheet metal (M) interposed between a punch and die when the punch and die are moved relatively toward one another. The improved punch assembly includes a plurality of plate-like members (24). Each member has large-area obverse and reverse faces (30, 31), and has a peripheral surface. A slot extends into each member from a portion of its peripheral surface, and communicates the two faces. The plurality of members are arranged in face-to-face area contact to define an elongated laminated punch assembly, with the slots of each member being aligned to form an elongated slot in the punch assembly. An elongated insert (26) is adapted to be slidably inserted into the punch assembly slot, and has an exposed bending surface (63) adapted to engage the sheet material when the brake is used.
The invention also provides an improved die assembly for use in such a press brake. The improved die assembly similarly includes a plurality of plate-like members (28), with each member having large-area obverse and reverse faces (65, 66) and having a peripheral surface. A slot extends into each member from a portion of the peripheral surface, and communicates the two faces. A plurality of the members are arranged in face-to-face area contact to define an elongated laminated die assembly, with the slots of each member being aligned to form an elongated slot in the die assembly. An elongated insert (29) is adapted to be slidably inserted into the die assembly slot. The insert has a die surface adapted to engage the sheet material when the brake is used.
REFERENCES:
patent: 271178 (1883-01-01), Wieser
patent: 3323348 (1967-06-01), Pearson
patent: 3474657 (1969-10-01), Spiegel
LandOfFree
Laminated punch and die assemblies does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Laminated punch and die assemblies, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Laminated punch and die assemblies will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1310949