Metal deforming – By relatively movable offset tool-faces – Multi-point tool-couple
Patent
1989-05-09
1991-02-05
Jones, David
Metal deforming
By relatively movable offset tool-faces
Multi-point tool-couple
72 10, 72447, B21D 1302
Patent
active
049894404
ABSTRACT:
Device bringing a tool (8) to a desired engagement position relative to and in engagement with a strip of material (10). Provision is made for intermittently advancing a strip having a repeating basic non-planar shape, in its longitudinal direction past the tool, holding the strip stationary in its longitudinal direction between intermittent advances, so that the shaping or working engagement of the tool with the strip can take place through a movement perpendicular to the longitudinal direction of the strip, and finely adjusting the position of the tool relative to the basic shape in the strip by moving the tool in a direction parallel to the direction of strip advance to a correct engagement position controlled by at least one basic shape sensor (36) connected to the tool. The sensor is spaced at a specific distance from the tool as viewed in the longitudinal direction of the strip; and provision is made for controlling the position of the tool in that direction parallel to the direction of strip advance by the position of the basic shape sensor to locate the exact position of one (48) of the cyclically repeated basic shapes in the strip, located one or more basic shape spacings fromthe basic shape (50) with which the tool (8) is to be brought into engagement. The tool being moved with and steered by the sensor during its precision locating movement in the longitudinal direction of the strip. The shaping and working movement of the tool perpendicular to the strip is effectuated only when the sensor has reached that exact position.
REFERENCES:
patent: 3123125 (1964-03-01), Lacey, Jr.
patent: 3961512 (1976-06-01), Mentis
patent: 4840054 (1989-06-01), Sjogren
Jones David
Nordisk Kartro AB
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