上海电信话费异议的精确化管理——基于精益六西格玛的方法

分析了精益生产和六西格玛管理的精髓,结合两者思路,指出精益六西格玛是实现精确化管理的有效工具,并提出了基于精益六西格玛的精确化管理的技术路线,包括界定问题、细化问题、确定原因、制定措施、监控结果等五阶段.以上海电信降低话费异议率为例,验证所提出观点和方法的有效性.     

整合精益六西格玛的实施

很多正在实施六西格玛的公司,近年受到精益管理的影响,很多公司同时开始实施精益和六西格玛,而且除了六西格玛,其他一些工具和方法,如六西格玛设计,质量功能展开都加上了了精益二字,如精益六西格玛设计,精益质量功能展开.……     

精益六西格玛的医院管理改进实证研究

针对我国医院管理现状,在精益六西格玛实施的一般模型的基础上,提出了基于精益六西格玛的医院流程改进PDAIP实施模型,该模型,对医院的流程进行改进。并将PDAIP模型应用于某医院门诊流程的改进,通过顾客满意度调查、流程分析、价值流分析、因果图、假设检验等方法进行了验证,结果显示项目取得了较好的改进效果,对提高医院管理水平提供了一定的参考价值。     

基于精益六西格玛的供应链质量管理研究

本文分别介绍了精益生产及六西格玛的概念,引出精益六西格玛的理论,接着构建了企业基于精益六西格玛的质量管理运作体系,最后就企业如何实施精益六西格玛及应注意的问题进行系统分析,为企业实施精益六西格玛提供指导及建议。     

基于精益六西格玛的公共服务质量标准化研究

结合我国公共管理发展现状,将精益六西格玛应用于公共管理工作当中,分析了实施精益六西格玛管理的具体流程。以A市民政部门为例,选取了服务质量为关键质量特性,建立了基于DMAIC模式的服务工作改进模型,通过数据收集、梳理、测量,寻找服务过程中的缺陷并进行改进,进而提高服务质量,为制定标准化服务体系提供参考。     

精益价值管理在产品制造流程中的运用

分析了某产品制造流程中过量生产、库存积压、缺货等问题形成的原因和改进的必要,提出了运用精益价值管理的思想和方法对生产过程进行重新构建,介绍了进一步运用精益思想和先进计算机技术对生产管理手段进行改进,使生产部门建立以市场需求拉动零件生产的精益生产方式．实践表明,对生产模式的精益化改造大大缩短了生产周期,提高了产品质量,提高了合同履约率．     

供电所安全生产精益管理探析

该文提出了供电所安全生产精益管理总体思路,对供电所安全生产管理存在的安全责任制及监督制、奖惩机制、人员管理、设备管理、作业流程及安全准则构建不合理等问题进行分析,并基于PDCA的方法与工具对供电所安全生产精益管理的各个阶段进行深入、系统性地探究,提出了不同阶段的改善方法和提取有利经验,以不断提高供电所安全生产精益管理水平。     

利用系统技术步入成功的殿堂最佳的混合搅拌过程和输送过程的六西格玛

越来越多的流程工业企业采用六西格玛技术,希望把自己的产品质量不断推向顶峰。在这一过程中,企业就要不断把粉质、颗粒和丸状产品的混合搅拌和输送过程加以完善、改进。如何利用六西格玛技术来实现这一切呢？本文将对此进行介绍。按照精益六西格玛方法进行管理的企业旨在不断提高企业组织机构的工作效率,经济地生产用户需要的产品。在流程工业企业中,尤其是有着结构紧凑的流程工艺设备及其各个部件都易于接近且采用了“易于清浩”方案的设备,精益六西格玛对他们来讲是非常有帮助的方法。     

产品全寿命周期开发的六西格玛解决方案

开发了产品全寿命周期开发和设计的六西格玛解决方案LCSS路线图,改进和发展了新产品设计DFSS的IDDOV流程,提出了由顾客需求分析、系统设计、DFX、可靠性设计、稳定性优化设计和设计验证技术等六个模块组成的DFSS工具箱;把可靠性工程、软件工程、精益思想和标杆管理等与六西格玛相结合,从全寿命周期角度保证质量,设计出大批量生产局部更改设计的DMADOV流程、小批量产品改进的DATIC流程、局部更改设计的DATDOV流程和精益研发等模块.来自六个大型企业(包括电子、电气、机械、通讯、石油化工行业)的工程实践表明该方案的可行性.     

精益管理、六西格玛、约束理论等工业工程方法的系统化集成应用

简要回顾了精益管理、六西格玛、约束理论等工业工程方法的基本概念和原理,分析了这些方法的局限性;阐述了工业工程方法集成的必要性;基于不同方法的组合、整合以及融合贯通三个层面提出了多种方法集成的方法和模式;介绍了工业工程方法的集成在企业中的实际应用案例。     

精益6σ在注塑机快速换模中的应用

阐述了快速换模在精益生产中的重要意义,简要列举了快速换模技术的原理与涉及到的相关术语,提出了运用精益6σ模式实现快速换模技术的一般模式,系统地总结了精益6σ在注塑包装生产中实现快速换模的具体步骤.     

基于精益六西格玛方法的K418C壳型小棒质量控制研究

目的 通过改善K418C壳型小棒的合格率,提高生产效率并降低生产成本。方法 通过精益六西格玛的方法、DMAIC II模型和D-M-A-I-C改进的5个阶段,利用因果图、方差分析等分析手段,结合扫描电镜和能谱分析等检测手段,准确定义出坩埚掉砂级别和壳型吸灰时长为两个影响产品质量的关键因素。结果 采用精益方法对这两个因素进行了优化和改善,工艺流程优化后的批量生产中,由于氧化物夹杂而导致报废的小棒根数大大降低,改善效果非常明显,其DPMO由改善前的53 034降低至10 355。结论 该方法的运用不仅有效提高了产品的合格率,而且节省了大量的材料费,提高了企业的竞争力。     

Six sigma,absorptive capacity and organisational learning orientation

The importance of the six sigma methodology in industry is growing constantly. However, there are few empirical studies that analyse the advantages of this methodology and its positive effects on organisational performance. The purpose of this paper is to extend understanding of the success of six sigma quality management initiatives by investigating the effects of six sigma teamwork and process management on absorptive capacity. It also seeks to understand the relation between absorptive capacity and organisational learning as two sources of sustainable competitive advantage. The information used comes from a larger study, the data for which was collected from a random sample of 237 European firms. Of these 237 organisations, 58 are six sigma organisations. Structural equation modelling (SEM) was used to test the hypotheses. The main findings show that six sigma teamwork and process management positively affect the development of absorptive capacity. A positive and significant relationship is also observed between absorptive capacity and organisational learning orientation. The findings of this study justify six sigma implementation in firms. This study provides us with an in-depth understanding of some structural elements that characterise the six sigma methodology, enabling us to provide an explanation for its success.     

Evaluation of value stream mapping in manufacturing system redesign

The value stream mapping (VSM) technique, developed within the lean production paradigm, was presented as an innovative graphic technique to help practitioners redesign production systems. This paper presents the results of a project whose main purpose is to evaluate the real applicability of VSM to redesign disconnected flow lines based on manufacturing environments with a diversity of logistical problems. The research was developed using multiple case study methodology in six industrial companies. The experiences have served to highlight the following results: (1) the validity of VSM as a redesign tool is confirmed; (2) resources required for the application process are established; and (3) the differences between theoretical concepts proposed by VSM and their real-world practical applications are indicated and analyzed. These results have led to conclusions relating to: (1) communication solutions for practitioners to obtain maximum efficiency when using VSM; and (2) definitions of theoretical development points for VSM to become a reference among redesign techniques.     

填料生产线精益生产的整合方案研究

以某化工填料生产线为研究对象,通过对填料生产系统工艺流程现状的物流分析,提出了生产设备成组布局的整合方案,从设备布置方式和生产系统优化两个方面找到影响物流顺畅运行与在制品库存最小化的改进措施,设计了满足不同生产批量与不同生产周期的精益物流过程,通过对生产流程改进的前后对比与过程仿真,验证了改进后的生产设备与物流的重组模式是实现填料生产线精益生产的一个切实可行的解决途径。     

基于时间熵的生产系统精益管理导入效果评价

提出了生产系统时间熵的概念,对精益管理的导入如何改善生产系统中“人、机、料、法、环”五大要素继而影响生产系统时间熵进行了分析,并以科学性和实用性为原则,结合定性与定量的分析方法,构建了生产系统精益管理导入效果评价指标体系和基于时间熵的评价模型,为定量评价生产系统精益管理导入效果提供有效依据。利用所构建的指标体系和评价模型对一家胶管企业生产系统精益管理导入效果进行了量化评价,结合该企业精益管理导入实际情况,验证了所建指标体系和模型具有较好的适用性和有效性,为生产系统的精益管理导入效果评价提供了新的思路和方法.     

6σ方法的选择与分析

6σ改进主要应用于现有的过程或产品, 而6σ设计主要应用于设计或重新设计过程或产品;何时优先采用6σ设计方法一直是一个备受争议的问题.为解决这一问题,比较了6σ改进和6σ设计方法的差异;进而从系统论的观点,分析了选择6σ方法时需要考虑的要素并建立了相应的指标体系;在此基础上,引入了多目标决策的层次分析方法,并对一个6σ项目进行了分析.结果表明,选择6σ方法受到许多因素的影响,从而替代了6σ文献中"只有达到4.8σ,才能实施6σ设计"的准则.结论是任何实施6σ管理的组织可以根据技术、顾客需求、成本、复杂性、风险等因素,选择适应于自身发展的6σ方法.     

Proposition of a model for measuring adherence to lean practices: applied to Turkish automotive part suppliers

The objective of this study is to develop a model for measuring adherence to lean practices for automotive part suppliers and to assess the relationship between the firm performance and the adoption of lean principles. This model has been developed by utilising the lean practices defined in the literature. The proposed model has been successfully applied to a large number of automotive part suppliers, and has been tested for its statistical validity. To test the proposed model, data were obtained from 207 automotive part suppliers by using the Computer-aided Telephone Interview method. Validity and reliability tests of the developed model of leanness are realised through exploratory and confirmatory factor analyses. Correlation analyses are used to examine the relationships between the lean applications and company performance and size. Analysis of Variance (ANOVA) is applied to reveal whether there are differences in the use of lean techniques across different company categories. The study shows that, in general, Turkish automotive part suppliers are performing their internal production in compliance with the lean manufacturing principles. Furthermore, it is found that there is a significant relationship between adaptation of lean principles by the supplier firms and their performance. The proposed model of leanness can be used by companies in the automotive industry to measure their leanness levels.     

Reducing the quantity of reworked parts in a robotic arc welding process

Today, the competitive environment of the knowledge age has been replaced with the competitive environment of the industrial age as the rules of the business world are changing completely. The focused issue is to reach to the knowledge as soon as possible, and to process and apply it rapidly. In this context, one of the important goals that the companies try to reach in order to achieve acceleration is the six sigma philosophy. Six sigma is a fundamental continuous improvement methodology aimed at reducing the variation and waste on processes by utilizing statistical methods and techniques efficiently. Global companies are making noteworthy profits by using this method in their processes. The six sigma methodology focuses on process excellence advantages for companies that apply it, to reach profit, to increase productivity and to have larger market share. In this paper, an application of six sigma methodology for reducing the quantity of rework parts for robotic arc welding process is given. The phases of six sigma and their results are indicated in detail. Furthermore, it is also shown how various techniques of six sigma methodology are applied to achieve financial benefits. Copyright © 2008 John Wiley & Sons, Ltd.