本文以 M 公司 T 车间生产线为案例，运用精益思想、价值流图分析技术，选取
M 公司 T 车间产品线对其生产加工流程进行改进。首先，通过分析Ｔ公司 D 产
品现状和生产线存在的问题，依据实际收集数据，绘制价值流现状图；其次，从
精益生产八大浪费入手，结合价值流图分析方法找出非増值信息流，选取生产流
程改进机会点，绘制价值流未来图；最后，针对上述问题给出生产流程改进的措
施，提出了减少隐性浪费、降低生产劳动成本、缩短交货周期、提高生产效率和
产品质量的精益生产优化方案
关键词：精益生产；价值流图分析；生产流程改进；八大浪费8
Table of Contents
Abstract .......... 6
摘要. 7
Table of Contents . 8
目 录 10
LIST OF TABLES ... 12
表 目 录 ....... 13
LIST OF FIGURES .. 14
图 目 录 ....... 15
1 Introduction ... 16
1.1 Research Background 15
1.2 Research Purpose and Significance ...16
1.3 Research Objectives and Research Contents .17
2 Literature Review .......... 19
2.1 Lean Production Theory.........19
2.1.1 The Origin of Lean Production Theory...........19
2.1.2 The Core Idea of Lean Production......21
2.1.3 Main Tools of Lean Production in Enterprises ...........24
2.2 Value Stream Mapping Analyzing Method Theory ...26
2.2.1 Basic Concept of Value Stream Mapping Analyzing Method 26
2.2.2 Basic Principles of Value Stream Mapping Analyzing Method..........27
2.2.3 Application Status of Value Stream Mapping Analyzing Method ......28
2.2.4 Basic Steps of Value Stream Mapping Analyzing Method .....29
3 Value Stream Map and Production Flow Analysis of M Company...... 32
3.1 Manufacturing Status of M Company32
3.1.1 Brief Introduction of M Company and T Workshop...32
3.1.2 Brief Introduction of Production Process of T Workshop.......33
3.1.3 Production Management of T Workshop ........34
3.2 Design Current Value Stream Mapping of M company.........36
3.2.1 Product Series Selected...........36
3.2.2 Analysis of Production Process and Collection of Relevant Data ......37
3.2.3 Drawing the Value Stream Mapping of D Product .....38
3.3 Production Process Analysis based on Value Stream Mapping .........40
3.3.1 Huge Inventory of Raw Materials with Long Lead Time of Procurement
Process .........40
3.3.2 Huge Inventory of WIP/
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