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Summary & Details

Mathematical Theory of Plasticity for the Analysis of Metal Forming Processes in Manufacturing of Bolts and Screws

ねじ製造における塑性加工解析のための塑性力学

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Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20224250

Paper/Info type: Journal of Society of Automotive Engineers of Japan

Vol.76 No.4

Pages: 36-41(Total 6 p)

Date of publication: Apr 2022

Publisher: JSAE

Language: Japanese

Detailed Information

Category(J)	くるまは「ねじ」で出来ている Translation
Category(E)	Cars are made with Screws!
Author(J)	1) 川井謙一
Author(E)	1) Ken-ichi Kawai
Affiliation(J)	1) 横浜国立大学
Abstract(J)	ボルトおよびおねじ部品の製造における線材の冷間引抜き力およびねじ転造時の転造力を，微小要素の力の釣合いに基づくスラブ法で解析する手法を示している．次いで，すべり線場とエネルギー法を用いてくさび形工具の押込み力を解析する手法を示すとともに，圧造時の軸押出し力を上界法で解析する手法を示している． Translation
Abstract(E)	The analytical methods in the mathematical theory of plasticity to analyze metal forming processes in manufacturing of bolts and screws are reviewed. The slab method to derive the drawing force of wire and the rolling force in thread rolling is shown. The indentation force of wedge-shaped tool is analyzed using the slip-line field and the energy method. The extrusion force of cylindrical rod is also analyzed using the upper bound method.

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