MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202647102361 A) filed by Yorozu Corporation on August 25, 2026, for Method For Determining Thickness Reduction Amount Of Sheet Material, And Thickness-Reduced Component.
Inventors include Igarashi, Masahiro; Tsuchida, Tomo; Matsumoto, Masaharu; Kashimura, Takanobu; Ooka, Shuhei; and Majima, Satoru.
The application for the patent was published on September 18, 2026, under issue no. 38/2026.
Abstract: [Problem] To prevent a sheet material from cracking even when the thickness of the sheet material is reduced. [Solution] A method for determining a reduction in thickness of a sheet material according to the present invention involves estimating, in a first simulation, a first reduction rate of the sheet thickness when a workpiece 10A is molded into a component shape in a state where the original sheet thickness thereof is maintained. The method also involves: predicting, in a second simulation, the thickness reduction amount of the sheet material from the first reduction rate and a molding limit of the sheet material; and, when the sheet thickness is reduced by pulling the sheet material so as to achieve the predicted thickness reduction amount and the sheet material is press-molded into the shape of a component 10D, confirming whether a second reduction rate of the sheet thickness falls within the range of the molding limit of the sheet material.
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