Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
Patent
1977-06-07
1978-12-26
Keenan, Michael J.
Metal deforming
With use of control means energized in response to activator...
Metal deforming by use of roller or roller-like tool element
72 11, 72 33, 72297, B21D 712
Patent
active
041310039
ABSTRACT:
An operator's console is used to produce, and control the storage of, bend data including: bend number, linear position, rotational position, bend angle and final bend number. The bend data is inserted either manually via a keyboard or by a reader reading a suitable data source (e.g., an optical reader reading punched cards). After all of the bend data is produced, checked and stored, the operator's console displays the first set of bend data. The operator then manually moves the tube, both linearly and rotationally, until the tube is suitably positioned. Encoders mounted so as to detect the rotational and linear position of the tube create related linear and rotational position displays during manual positioning. When the tube reaches the appropriate linear and rotational positions, linear and rotational brakes are actuated and lock the tube in position. When the tube is appropriately positioned (brakes locked), the encoder (actual tube position) displays correspond to the related memory displays. Thereafter, the operator actuates a switch, which causes the tube to be bent. After the first bend is made, the next set of bend data stored in memory is automatically displayed and the sequence is repeated. After the final bend is made, the bent tube is removed by the operator. Preferably, visual and/or audio alarms are actuated to warn the operator when the linear and rotational positions are being approached, during the manual tube positioning step of the sequence; and, ready lights are lit when the brakes lock.
REFERENCES:
patent: 3387473 (1968-06-01), Noordhoek et al.
patent: 3618349 (1971-11-01), Roch
patent: 3766764 (1973-10-01), Ross et al.
patent: 3808856 (1974-05-01), Lance
patent: 3821525 (1974-06-01), Eaton et al.
patent: 3974676 (1976-08-01), Eaton
Baker Charles M.
Foster Gene B.
Keenan Michael J.
The Boeing Company
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