Metal deforming – By tool-couple embodying nonplanar tool-face – With adjustable or replaceable section of tool-face
Patent
1990-06-12
1993-02-23
Larson, Lowell A.
Metal deforming
By tool-couple embodying nonplanar tool-face
With adjustable or replaceable section of tool-face
72446, 29173, B21D 3702, B21J 1300, B23P 1300
Patent
active
051879697
ABSTRACT:
Disclosed is a method and an apparatus for cambering a leaf spring by pressing a heated leaf spring element or member between a pair of molds, characterized in that the pair of molds each comprises a plurality of mold fingers which can be advanced or retracted relative to the opposite mold by operating a plurality of drive means connected to the plurality of mold fingers based upon a predetermined command transmitted from a control means so as to advance or retract the fingers to required heights, respectively, so that the free ends of the mold fingers as a whole may form a required mold surface; and each mold finger is locked by a releasable locking means. The cambering apparatus may further comprise a tempering section, in which the pair of molds, together with the cambered leaf spring, are designed to be immersed within the tempering liquid contained within a liquid tank so as to effect tempering of the cambered leaf spring. In accordance with new command signals for leaf springs for different camber specifications, each of the mold fingers of the two molds is again connected to the corresponding drive means and the drive means is operated under the control command from the control means so as to likewise form a continuous mold surface in accordance with the different specifications.
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Larson Lowell A.
Morita and Company Co. Ltd.
Schoeffler Thomas C.
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