Metal deforming – With means to drive tool – With means to permit tool positioning
Patent
1991-07-02
1993-06-08
Jones, David
Metal deforming
With means to drive tool
With means to permit tool positioning
72381, 72384, 72401, 72404, 72447, 72472, 83499, B21D 3712
Patent
active
052169138
ABSTRACT:
The guideway for each working carriage has a predetermined parking position in a bending machine for skein-shaped material, in which several working carriages can be adjusted in positions determined by a bending program in a working plate and which comprises at least one working carriage guideway and a drivable working carriage transport device, with which each working carriage can be optionally coupled for adjustment. Each working carriage positioned for working can be adjusted to its parking position with the transport device and can be adjusted again to any optional position from the parking position by the transport device. A program control unit is preferably provided which clears the working carriages after the machining of a lot size of a bending program to their parking positions with leader and trailer programs and, prior to the beginning of a lot size, brings the working carriages from their store parking positions with a new bending program and adjusts them to the new positions.
REFERENCES:
patent: 3540340 (1970-11-01), Koskela
patent: 3881343 (1975-05-01), Ducate
patent: 4540394 (1985-09-01), Cavagna
patent: 4580086 (1986-04-01), Tokuno et al.
patent: 4708009 (1987-11-01), Post
Alpha-Maschinenbau AG
Jones David
LandOfFree
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