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Underbody manufacturing method and vehicle underbody

  • US 10,450,007 B2
  • Filed: 09/21/2016
  • Issued: 10/22/2019
  • Est. Priority Date: 03/16/2015
  • Status: Active Grant
First Claim
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1. A method for manufacturing a vehicle panel, the method comprising:

  • determining dimensions for the vehicle panel, the dimensions for the vehicle panel including a length and a width;

    determining dimensions for multiple underbody sub-panels, wherein each of the multiple underbody sub-panels has a same dimension that is smaller than the dimension for the vehicle panel so that the individual one of the multiple underbody sub-panels fits into a same stamping die;

    producing the multiple underbody sub-panels according to the determined dimensions for the multiple underbody sub-panels;

    putting the multiple underbody sub-panels in the same stamping die for stamping to form concave parts and convex parts on the multiple underbody sub-panels; and

    welding the stamped multiple underbody sub-panels to form the vehicle panel which is spliced by the multiple underbody sub-panels in the length direction and/or the width direction, so as to make the vehicle panel reach the determined length and width.

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