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ID 28792
file
title alternative
Restructuring Value Chains in Automotive Parts Industry : Adaptation to Changes in Product Architecture
creator
Mokudai, Takefumi
Kinbara, Tatsuo
subject
価値連鎖
製品アーキテクチャ
モジュール化
value chain
product architecture
modularization
NDC
Mechanical engineering
abstract
本稿は、自動車部品における設計構造(製品アーキテクチャ)の変化に伴う事業活動や部品取引パターンの変化を価値連鎖の観点から分析し、価値連鎖の設計における課題を検討することを目的としている。本稿では、センターパネルの事例をとりあげ、同部品のモジュール化に伴う部品メーカーの事業活動の範囲や役割の変化を考察した。モジュール化により、センターパネルの開発・製造を統括する役割が完成車メーカーからモジュールメーカー(Tier 1)へと移管され、Tier 2以降の部品メーカーの事業活動にも影響を与えた。モジュール化は、最終生産ラインにおける組立工数の大幅な削減と見栄え品質や操作性などの商品性を向上させたが、価値連鎖の一部において不良の予期せぬ発生などを生じさせた。こうした部品の設計構造の変化に対応するためには、(1)価値連鎖の再構築を促す戦略的働きかけ、(2)大きな付加価値を取り込むための価値連鎖上のポジショニング、(3)外部経営資源の有効活用、(4)価値連鎖における各活動間の相互依存性への配慮、(5)価値連鎖の変化を通じての組織学習の促進、に取り組むことが必要である。
abstract
This article studies how product architecture affects value chain design in automotive parts industry. Product architecture, the scheme by which functional elements of a product are allocated to physical components, underlies the design of value chains in industries. Through examining the case of center panel units, we found that modularization of the architecture changes partition of tasks and domains of value creating activities among suppliers. The case illustrates that as center panels are modularized, the assembler outsource major processes of developing and manufacturing the center panel units to the module supplier (Tier 1). The module supplier leads product development activities with close cooperation with the assembler and Tier 2 suppliers, sub-assembles components provided by Tier 2 suppliers, and delivers completed units to factories of the customer firm. Although modularization improved quality of the product and greatly reduced direct labor inputs on the final assembly line, it has brought about unexpected deficits in some parts of the value chain. For the sake of adapting to changing product architecture, the study suggests suppliers develop institutional instruments to facilitate restructuring value chains, strategically re-position their activities over the value systems, and activate organizational learning taking into account of interactions of value activities.
journal title
The Bulletin of the Center for Research on Regional Economic Systems, the Graduate School of Social Science, Hiroshima University
issue
Issue 14
start page
23
end page
36
date of issued
2003-03-31
publisher
広島大学経済学部附属地域経済システム研究センター
ncid
SelfDOI
language
jpn
nii type
Departmental Bulletin Paper
HU type
Departmental Bulletin Papers
DCMI type
text
format
application/pdf
text version
publisher
department
Graduate School of Social Sciences
Graduate School for International Development and Cooperation
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