US2015020563A1PendingUtilityA1
Method for the manufacture of motor vehicle body parts
Assignee: GM GLOBAL TECH OPERATIONS INCPriority: Jul 18, 2013Filed: Jul 18, 2014Published: Jan 22, 2015
Est. expiryJul 18, 2033(~7 yrs left)· nominal 20-yr term from priority
B21D 35/002B21D 53/88B21D 22/20
48
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Claims
Abstract
A method for the manufacture of motor vehicle body parts is disclose. The method includes providing blanks of flat material, deep-drawing of a first deep-drawing contour on the blanks by means of a first forming tool, and deep-drawing of a second deep-drawing contour by means of a second forming tool.
Claims
exact text as granted — not AI-modified1 - 11 . (canceled)
12 . A method for the manufacture of motor vehicle body parts comprising
(a) selecting one of a first deep-drawing contour and a second deep-drawing contour for a body part; (b) providing blanks of flat material; (c) deep-drawing of the blanks on a first forming tool when the first deep-drawing contour is selected to form the body part; and (d) deep-drawing of the blanks on a second forming tool when the second deep-drawings contour is selected to form the body part.
13 . The method according to claim 12 , further comprising selecting the first forming tool and the second forming tool from a set of several forming tools.
14 . The method according to claim 13 , wherein blanks are provided with different values of a dimension, and selecting the first forming tool and the second forming tool takes place by means of the value of the dimension.
15 . The method according to claim 12 , further comprising placing the first forming tool for carrying out (c) relative to a first reference point of the blank, and placing of the second forming tool for carrying out (d) relative to a second reference point of the blank.
16 . The method according to claim 15 , wherein carrying out (b) blanks are provided with different values of a dimension, and the distance between the reference points is different according to the value of the dimension.
17 . The method according to claim 14 , wherein the dimension is a longitudinal dimension of the blank.
18 . The method according to claim 12 , wherein the first and second deep-drawing contours are formed on marginal regions of each flat material blank which are separate from one another.
19 . The method according to claim 12 , wherein the first and second deep-drawing contours are formed on opposite longitudinal edges of each flat material blank.
20 . The method according to claim 12 , wherein the first and second deep-drawing contours are formed at opposite head ends of each flat material blank.
21 . The method according to claim 20 further comprising roll-forming a central section of each flat material blank connecting the head ends.
22 . The method according to claim 12 wherein the body parts comprise parts of body substructures including beams of motor vehicle bodies for different vehicle models.Join the waitlist — get patent alerts
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