生トレッドゴムの設計方法及びそれを用いたダイプレートの設計方法

Japanese Patent JP6480756

B2

PROBLEM TO BE SOLVED: To provide a design method for a cross sectional shape of a crude tread rubber by which the cross sectional shape of the crude tread rubber suitable of manufacture of a designed tire is calculated, and designing can be made efficient.SOLUTION: A design method for a cross sectional shape of a crude tread rubber includes: a first model creation process (#1) in which a first tread rubber model of a reference tire is created; a first splitting process (#2) in which the first model is split and plural first split bodies are obtained; a first cross section calculation process (#4) in which an average cross section of each first split body is calculated; a second model creation process (#5) in which a second tread rubber model of a designed tire is created; a second splitting process (#6) in which the second model is split and plural second split bodies are obtained; a second cross section calculation process (#8) in which an average cross section of each first split body is calculated; a difference acquiring process (#9) which a difference of the average cross section of each second split body and the average cross section of each first split body is acquired; and a section calculation process (#11) in which the difference is added to a cross sectional shape of a crude tread rubber of the reference tire, and a cross sectional shape of a crude tread rubber of the designed tire is calculated.

Atsushi Okamoto
Ryuhei Kimoto

JP2015039768A

March 13, 2019

March 02, 2015

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Sumitomo Rubber Industries, Ltd.

B60C19/00; B29C48/30; G06F17/50

JP2002137610A
JP2000309205A
JP201211949A
JP8309820A
JP2013105259A
JP7186238A

Sumitomo Shintaro
Ura Shigego
Jun Naemura
Yukinobu Ishihara

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