The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 03, 2024
Filed:
Jun. 04, 2022
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Abstract
A press-forming apparatus includes a punch, a die having an inclined surface, and a die holding plate. A blank holder has a holding surface, and a die load sensor detects a load in a pressing direction, a load in a first direction perpendicular to the pressing direction, and a load in a second direction perpendicular to the first direction. A controller calculates a normal force of the die based on the loads in the pressing direction, in the first direction, and in the second direction. The loads are detected by the die load sensor, and the controller calculates the amount of correction of clearance between the die and the blank holder based on the normal force of the die. The first driver moves the die in the pressing direction based on the amount of correction of clearance, and a second driver drives the punch in the pressing direction.