METHOD OF DESIGNING KNIFE BLADES FOR VULCANIZING MOLDS

Japanese Patent JP2022086312

A

To provide a method for designing knife blades that can prevent damage.SOLUTION: A method for designing a knife blade on an arc-shaped segment comprising a vulcanization mold for a tire, comprises: a process S1 of inputting a tread rubber model having a siping corresponding to a knife blade discretized with finite elements into a computer; a process S2 of inputting a segment model having a knife blade model discretized with finite elements into the computer; a first process S3 of aligning the tread rubber model and the segment model in a pseudo-vulcanized state by fitting the knife blade model into the siping of the tread rubber model by the computer; a second process S4 in which the segment model in the pseudo-vulcanized state is moved outward in the tread radial direction from the tread rubber model by the computer to obtain the pseudo-vulcanization state; and a process of calculating the physical quantities acting on the knife blade model during the second process S4.SELECTED DRAWING: Figure 4

FUJISAWA KAZUHIRO

JP2020198253A

June 09, 2022

November 30, 2020

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SUMITOMO RUBBER IND

B29C33/02; B29C35/02; G06F30/10; G06F30/23

Sumitomo Shintaro
Shigetake Ura
Jun Naemura
Ishihara Yukinobu
Satoshi Ichida

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