Metal deforming – By relatively movable offset tool-faces – Plural
Patent
1974-09-17
1976-04-06
Mehr, Milton S.
Metal deforming
By relatively movable offset tool-faces
Plural
29 6, 72 7, 72 12, 72389, 72702, B21D 1702
Patent
active
039480763
ABSTRACT:
Method and apparatus for automatically straightening elongated and at least partly rotationally symmetrical workpieces by applying a sequence of straightening strokes to a workpiece at each of a plurality of straightening stations to counteract a deformation until the measured instantaneous values of the deformation fall within a predetermined deformation tolerance. The depth of the straightening strokes is determined by the difference between the measured instantaneous values of the deformation and the mean of the maximum and minimum values of the deformation.
REFERENCES:
patent: 3459018 (1969-08-01), Miller
patent: 3481170 (1969-12-01), Galdabini
patent: 3713312 (1973-01-01), Galdabini
Eitel Hans-Georg
Morlock Waldemar
Ruf Dieter
Duzan James R.
Eitel KG., Werkzeugmaschinenfabrik
Mehr Milton S.
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