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Qualitative Study of the Practices Used in the Implementation of the Quality Management System Within Moroccan Companies 摩洛哥公司质量管理体系实施实践的定性研究
IF 1.5 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-02-18 DOI: 10.2478/mspe-2023-0001
Khadija Fath, Hajar Haddouch, Otmane Bouksour, Z. Beidouri
Abstract The objective of this article is to show that project management practices present key success factors for implemented a Quality Management System (QMS) in Moroccan companies. In general, the organizations seem to look at the implementation of a quality management system as a project and they employ standard project management tools, albeit to a different extent and in different ways. Following a qualitative study in Morocco, the companies, whatever their sector of activity and size, use different practices in the framework of the project QMS. Information was collected from practicing managers. The data analysis shows that project management practices present a great opportunity for the successful implementation of QMS within Moroccan companies.
摘要本文的目的是表明项目管理实践是摩洛哥公司实施质量管理体系(QMS)的关键成功因素。总的来说,各组织似乎将质量管理体系的实施视为一个项目,并采用标准的项目管理工具,尽管程度和方式不同。在摩洛哥进行了一项定性研究后,这些公司,无论其活动部门和规模如何,都在项目QMS的框架内使用不同的做法。信息是从执业经理那里收集的。数据分析表明,项目管理实践为摩洛哥公司成功实施质量管理体系提供了巨大机遇。
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引用次数: 0
Visual Solutions as a Way to Improve Work Safety When Using Machines – Selected Aspects of VM 视觉解决方案是提高机器使用安全性的一种方法——虚拟机的某些方面
IF 1.5 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-02-18 DOI: 10.2478/mspe-2023-0007
T. Małysa, J. Furman
Abstract The issue of ensuring work safety during the use of machines plays a key role due to the recorded accident events, the source of which are the machines in use. In the scope of reducing the risk associated with machines, particular attention should be paid to the threats, as well as solutions allowing to limit their negative impact on the operator. The study presents the possibility of using visual management (VM) as a form of information transfer that allows to meet the requirements set out in legal regulations, as well as reduce the risk of accidents. The machines in question were assessed for the possibility of using various forms of visual management to reduce the risk of accidents. The investigations were also supplemented with an analysis of accident statistics to present the importance of using visual management in improving the safety of machine operators' work. The conducted analyzes allowed to determine the direction of activities in the use of various forms of visual management aimed at improving the safety of machine operators.
摘要由于记录的事故事件是在用机器的来源,因此确保机器使用过程中的安全生产问题起着关键作用。在降低机器相关风险的范围内,应特别注意威胁,以及限制其对操作员负面影响的解决方案。该研究提出了使用视觉管理(VM)作为一种信息传输形式的可能性,该形式可以满足法律法规中规定的要求,并降低事故风险。对有问题的机器进行了评估,以确定是否有可能使用各种形式的视觉管理来降低事故风险。此外,还对事故统计数据进行了分析,以说明使用可视化管理在提高机器操作员工作安全方面的重要性。所进行的分析允许确定活动方向,使用各种形式的视觉管理,旨在提高机器操作员的安全性。
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引用次数: 1
Fatigue Life Testing of the Round Link Mining Chains 矿用圆环链疲劳寿命测试
IF 1.5 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-02-18 DOI: 10.2478/mspe-2023-0010
Ryszard Kandzia, Mariusz Szot
Abstract The material fatigue phenomenon consists of progressive material damage through the appearance and development of fractures under the influence of variable, periodically recurring stresses. Engineers designing machinery and structures to be fatigue resistant can gain useful insights about design and material properties by reviewing the literature. In this way, we can avoid costly research, but in the case of complex loading phenomena and the interaction of components, we must carry out such research. Fatigue strength calculations are less accurate than simple static calculations. The wear of link chains is concentrated in three areas, depending on the installation location and function of the individual links, namely: in the joints (the points of contact between two links), on the outer surfaces of the arches and on the outer surfaces of the straight sections of the links. During operation, chains are particularly vulnerable to wear through abrasion, corrosion and fatigue. These ageing factors, which act with varying intensity depending on the properties of the deposit, determine the service life of the chain, unless other unforeseen damage occurs, e.g. "hard" blockage of the chain. In many cases, users are guided by their own subjective criteria for assessing the technical condition of chains, which does not always lead to fully rational decisions regarding the continued use of used chains. To date, there have been no attempts to transfer the results of chain fatigue tests to behaviour of real objects. This paper presents issues related to mining chain fatigue testing. The test results presented are for both new and used chains. The experimental tests conducted at GIG made it possible to solve the problem of applying fatigue test results in industrial practice.
材料疲劳现象是指在可变的、周期性重复的应力作用下,材料通过断裂的出现和发展而逐渐发生损伤。设计抗疲劳机械和结构的工程师可以通过查阅文献获得有关设计和材料性能的有用见解。这样,我们可以避免昂贵的研究,但在复杂的加载现象和部件相互作用的情况下,我们必须进行这样的研究。疲劳强度计算不如简单的静态计算准确。根据单个连杆的安装位置和功能,连杆链的磨损集中在三个区域,即:在关节(两个连杆之间的接触点),在拱的外表面和连杆直段的外表面。在操作过程中,链条特别容易磨损,腐蚀和疲劳。这些老化因素根据沉积物的性质以不同的强度起作用,决定了链条的使用寿命,除非发生其他不可预见的损坏,例如:链条“硬”堵塞。在许多情况下,用户以自己的主观标准来评估链的技术状况,这并不总是导致对使用过的链的继续使用做出完全合理的决定。迄今为止,还没有人试图将链条疲劳试验的结果转移到真实物体的行为上。本文介绍了采矿链疲劳试验的相关问题。给出的测试结果适用于新链条和旧链条。在GIG进行的试验试验为解决疲劳试验结果在工业实践中的应用问题提供了可能。
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引用次数: 0
Assessment of the Impact of Working Risks in the Exploitation of Raw Materials 原材料开采过程中工作风险的影响评估
IF 1.5 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-02-18 DOI: 10.2478/mspe-2023-0011
A. Seňová, H. Pavolová, E. Škvareková
Abstract The presented article deals with the use and evaluation of individual risks of work in the environment of Slovak mining company. The mining company is also a manufacturing company. The company mines the raw material and the final product (clinker). The main goal of the article is to monitor the incidence of accidents over the last 10 years, to analyse the group of risks that have a significant impact on accidents in mining companies and to evaluate them. The Risk Matrix, shows the relationship between estimated consequences and probability of risks formation. The next step is to use the workplace Risk Assessment Method to define acceptable risks and minimize the impact on workers. Another method we used is the Fault Tree Analysis (FTA) model. The output of the FTA model is the creation of a faulty tree, which resulted in the individual traumatized accidents that resulted in the definition of the resulting risk - namely a load injury.
摘要本文论述了斯洛伐克矿业公司在环境中工作的个人风险的使用和评估。这家矿业公司也是一家制造公司。该公司开采原材料和最终产品(熟料)。本文的主要目标是监测过去10年中的事故发生率,分析对矿业公司事故有重大影响的一组风险,并对其进行评估。风险矩阵显示了估计后果和风险形成概率之间的关系。下一步是使用工作场所风险评估方法来定义可接受的风险,并将对工人的影响降至最低。我们使用的另一种方法是故障树分析(FTA)模型。FTA模型的输出是创建了一个故障树,这导致了个人创伤事故,从而定义了由此产生的风险,即负载损伤。
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引用次数: 1
Social Capital and Digital Transformation of Startups in Vietnam During the Covid-19 Pandemic: The Mediating Role of Human Capital and Access to Resources 新冠肺炎疫情期间越南初创企业的社会资本与数字化转型:人力资本和资源获取的中介作用
IF 1.5 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-02-18 DOI: 10.2478/mspe-2023-0005
Thi Quynh Anh Nguyen, Nha Ghi Tran, T. Nguyen
Abstract Based on social network theory, the study explained the digital transformation process of startups in Vietnam during the outbreak of the COVID-19 pandemic. The study examined the relationship between social capital, human capital, access to resources, and digital transformation of startups in Vietnam. The study used Partial Least Squares - Structural Equation Modelling (PLS-SEM) with a sample size of 230 startups managers. The results show that there are positive and statistically significant relationships between social capital, human capital, access to resources, and digital transformation. The results also reveal the partial mediating roles of access to resources and human capital in the relationship between social capital and digital transformation. The results proposed some managerial implications for startups managers in building relationship networks with stakeholders such as government agencies and business partners (customers, competitors, suppliers, and providers of digital platform services). Through managers' social capital, accessible resources and the improvement of human capital have accelerated digital transformation for startups to escape the crisis of the COVID-19 pandemic. Finally, the study presented some limitations and directions for further research.
摘要本研究基于社会网络理论,分析了新冠肺炎疫情期间越南创业公司的数字化转型过程。该研究考察了越南创业公司的社会资本、人力资本、资源获取与数字化转型之间的关系。本研究采用偏最小二乘-结构方程模型(PLS-SEM)对230名创业公司经理进行了抽样调查。结果表明,社会资本、人力资本、资源获取与数字化转型之间存在显著正相关关系。研究结果还揭示了资源获取和人力资本在社会资本与数字化转型关系中的部分中介作用。研究结果为创业公司管理者与利益相关者(如政府机构和商业伙伴(客户、竞争对手、供应商和数字平台服务提供商))建立关系网络提供了一些管理启示。通过管理者的社会资本、可获得的资源和人力资本的改善,加速了创业公司的数字化转型,从而摆脱了COVID-19大流行的危机。最后,提出了本研究的局限性和进一步研究的方向。
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引用次数: 3
Lean Experience Analysis at a Leading Automotive Manufacturer in Vietnam 越南一家领先汽车制造商的精益经验分析
IF 1.5 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-02-18 DOI: 10.2478/mspe-2023-0002
Dat-Minh Nguyen
Abstract Over the last decades, thanks to the increased pressure to reduce cost and to be more responsive to customer demands as well as improving continuously to the value provided to them, the business has been motivated for managing their operation responsibly in regards to the economical, environmental and social aspects as well. In order to fulfill this mission, encouraged companies and researchers have been finding ways to meet customer demands and sustainable requirements. Lean is one of the systematic approaches to achieving higher value for organizations by eliminating non-value-added activities. Through a case study, the research aims is to present the effectiveness of sustainable improvement on economic, social, and environmental improvement from the perspective of Lean practices. The analysis of the day-to-day Lean practices experience in a case study a good experience for enterprises in desiring applies Lean for sustainable development, can be extremely effective at developing management techniques to achieving sustainable improvement.
在过去的几十年里,由于降低成本的压力越来越大,对客户需求的反应越来越快,对提供给他们的价值的不断提高,企业已经被激励在经济、环境和社会方面负责任地管理他们的运营。为了完成这一使命,鼓励公司和研究人员一直在寻找满足客户需求和可持续要求的方法。精益是通过消除非增值活动为组织实现更高价值的系统方法之一。通过一个案例研究,本研究旨在从精益实践的角度展示可持续改进在经济、社会和环境改善方面的有效性。通过对日常精益实践经验的案例分析,为希望将精益应用于可持续发展的企业提供了良好的经验,可以极其有效地开发管理技术,实现可持续改进。
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引用次数: 0
Technical Study of the Installation of a Watercress Nectar Processor to Reduce Anemia in Adults 安装豆瓣菜花蜜处理机减少成人贫血的技术研究
IF 1.5 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-02-18 DOI: 10.2478/mspe-2023-0008
Luis-Alberto Manrique-Suarez, Nancy-Alejandra Ochoa-Sotomayor, Héctor-Gavino Salazar-Robles, Edward José Flores Masías
Abstract Peru has a diversity of exotic fruits and plants with recognized yields for food and health protection. Nectars are highly consumed food products, made from fruits or vegetables. The objective for the present work was to carry out the technical study of the installation of a watercress nectar processor to reduce anemia in adults; identify the demand, technical requirements for the operation and profitability of the processing facilities. Methodology. The analytical-synthetic method was used; The population of the target market was analyzed, the size of the sample was determined with the coefficient of variation method, (n = 384), the instrument used was the survey; the technical, economic-financial study was carried out. The results were the growth in the demand for nectars of 59.82%, with respect to the economic-financial evaluation, it has been shown that the results are satisfactory for the installation of the plant, with the economic and financial IRR, both rates proving to be attractive. for the project. From the projected income statement for the 2021-2025 period, it can be deduced that for 2025 there was a net profit of S/316,971.39. Other indicators such as the economic and financial NPV, the B/C ratio and the PRI that were satisfactory for the Project, making its execution viable. The conclusion this study was the technical study for the installation of a nectar processing plant to reduce anemia in adults in Lima, which was viable in terms of operation and profitability, taking advantage of its healing and nutritional properties.
摘要秘鲁有各种各样的外来水果和植物,在食品和健康保护方面产量公认。蜜桃是由水果或蔬菜制成的高消费食品。本工作的目的是进行安装豆瓣菜花蜜处理器以减少成人贫血的技术研究;确定加工设施的需求、运营技术要求和盈利能力。方法论采用分析合成法;分析目标市场的人群,用变异系数法确定样本大小,(n=384),使用的工具是调查;进行了技术、经济和财务研究。结果是油桃需求增长了59.82%,就经济财务评估而言,结果表明,该工厂的安装令人满意,经济和财务内部收益率都很有吸引力。项目。根据2021-2025年期间的预计利润表,可以推断2025年的净利润为S/316971.39。其他指标,如经济和财务净现值、B/C比率和PRI,符合项目要求,使其执行可行。本研究的结论是,在利马安装花蜜加工厂以减少成人贫血的技术研究,该厂在运营和盈利方面是可行的,利用了其愈合和营养特性。
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引用次数: 0
Production Value Chain Model for Sustainable Competitive Advantage 可持续竞争优势的生产价值链模型
IF 1.5 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-02-18 DOI: 10.2478/mspe-2023-0004
Minwir M. Al-Shammari
Abstract In the Fourth Industrial Revolution, 4IR, manufacturing firms face more competitive environments, rapidly changing information and communication technologies (ICTs), and customers’ preferences than ever before. This paper analyzes relevant literature and proposes a systemic customer-centric knowledge-based production value chain (KPVC) to leverage distinctive core competencies (DCCs) and create sustainable competitive advantage (SCA) in manufacturing contexts. The paper introduces an integrative customer-centric KPVC model that enables companies to respond to environmental drivers, leverage DCCs, and create SCA. It adopts an exploratory approach to developing a unified and inherently interdisciplinary model based on a review of relevant scholarly literature. The KPVC integrated model comprises production value chain (PVC), knowledge management (KM) processes, and business process re-engineering (BPR) enabling activities. A successful move to KPVC requires a fully integrated and automated system allowing firms to define, track, and manage their work processes. Effective KPVC is a principal approach for leveraging DCCs in the quest for achieving SCA in today’s competitive business world and generating better values for customers and companies.
摘要在第四次工业革命4IR中,制造企业面临着比以往任何时候都更具竞争力的环境、快速变化的信息和通信技术(ICT)以及客户的偏好。本文分析了相关文献,提出了一个系统的以客户为中心的知识型生产价值链(KPVC),以利用独特的核心竞争力(DCC),在制造业环境中创造可持续竞争优势(SCA)。本文介绍了一种以客户为中心的综合KPVC模型,该模型使公司能够响应环境驱动因素,利用DCC并创建SCA。它采用了一种探索性的方法,在回顾相关学术文献的基础上,开发出一个统一的、内在的跨学科模型。KPVC综合模式包括生产价值链、知识管理流程和业务流程再造活动。成功地转移到KPVC需要一个完全集成和自动化的系统,使公司能够定义、跟踪和管理其工作流程。有效的KPVC是利用DCC在当今竞争激烈的商业世界中实现SCA并为客户和公司创造更好价值的主要方法。
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引用次数: 3
Cost Effectiveness of the Zero-Net Energy Passive House 零净能源被动式房屋的成本效益
IF 1.5 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-02-18 DOI: 10.2478/mspe-2023-0006
Ada Kołodziejczyk-Kęsoń, M. Grebski
Abstract The authors main idea is to build energy plus buildings by means of architectural processes to design passive houses according to the Darmstadt Standard with additional equipment powered by renewable energy. The article presents a comparative financial analysis of passive house buildings with an additional source of power to charge electric cars in Poland and the United States. The analysis is based on market data while also taking into consideration inflation and increases in energy costs. The methodology is based on the calculations required by USA banks for obtaining credit. The emphasis is also on the distinction between commonly used term passive house and the term passive house in accordance with the Darmstadt Standard. The authors are introducing a new terminology to define buildings wrongly named as “passive”. Now Authors will name them Pseudo-Passive Buildings. The research shows that it is profitable to construct nearly zero-energy buildings with photovoltaic installation and the discounted rate on return of investment does not exceed the mortgage length.
作者的主要想法是通过建筑工艺来建造能源加建筑,根据达姆施塔特标准设计被动式房屋,并增加可再生能源供电的设备。本文介绍了波兰和美国被动式房屋建筑与额外电源为电动汽车充电的比较财务分析。该分析以市场数据为基础,同时也考虑了通货膨胀和能源成本的上涨。该方法基于美国银行获得信贷所需的计算。重点还在于根据达姆施塔特标准区分常用术语被动房和术语被动房。作者正在引入一个新的术语来定义被错误地命名为“被动式”的建筑。现在作者将它们命名为伪被动建筑。研究表明,建设近零能耗的光伏建筑是有利可图的,且投资回报率贴现率不超过抵押贷款期限。
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引用次数: 0
Technology of Obtaining Mixed Alternative Fuel Based on Organic Substances for Mining Technological Transport Engines 基于有机物的矿用运输发动机混合替代燃料制备技术
IF 1.5 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-02-18 DOI: 10.2478/mspe-2023-0009
V. Melnyk, L. Romanyshyn, Yurii Mosora, K. Kotwica
Abstract In connection with the increase in the price of fuel based on hydrocarbons, the search and use of alternative types of fuel for machines in the mining and oil production industry is quite relevant today. Most of the existing alternative fuels by themselves cannot be considered as ready-to-use motor fuels. One of the ways to solve this problem is to use their mixtures with commercial fuels in certain ratios. This work deals with the development and research of the main characteristics of the mixer for obtaining mixed fuels based on diesel fuel and soybean oil, as well as the results of the study of the physical and operational properties of the obtained mixtures of different volume ratios of diesel fuel and soybean oil. The process of obtaining a mixed alternative fuel based on diesel fuel and soybean oil was implemented on a developed installation consisting of a mixer, the design of which is protected by a patent of Ukraine, and a gear pump. The study of the characteristics of the mixer as part of the installation showed that at a temperature of the components of the alternative fuel of 20°С, with a loss of full pressure on the mixer Δр ≈ (60-65) kPa, the volume consumption of soybean oil reached 10.7.10-6 m3/s. The time of preparation of the fuel mixture in the amount of 195 liters with a content of soybean oil of 10% ranged from 30 to 33 minutes. As research has shown, mixing soybean oil with diesel fuel in the amount of 5-50% vol. provides an improvement in viscosity-temperature properties and makes it possible to use such mixtures in diesel engines without changes in the design of the power supply system and regulation of fuel equipment, which characterizes soybean oil as a promising additive to diesel fuels to improve their technical and operational performance.
随着以碳氢化合物为基础的燃料价格的上涨,为采矿和石油生产工业的机器寻找和使用替代类型的燃料是非常相关的。大多数现有的替代燃料本身不能被认为是现成的汽车燃料。解决这个问题的方法之一是将它们与商业燃料按一定比例混合使用。本工作涉及以柴油和大豆油为基础的混合燃料的混合器的主要特性的开发和研究,以及所获得的不同体积比的柴油和大豆油混合物的物理和操作特性的研究结果。从柴油和大豆油中获得混合替代燃料的过程是在由混合器(其设计受乌克兰专利保护)和齿轮泵组成的开发装置上实现的。作为装置一部分的混合器特性研究表明,在替代燃料组件温度为20°С,混合器全压损失Δр≈(60-65)kPa时,大豆油的体积消耗达到10.7.10-6 m3/s。大豆油含量为10%的195升混合燃料的制备时间为30 ~ 33分钟。研究表明,将大豆油与柴油以5-50%的体积混合,可以改善粘温特性,并且可以在不改变供电系统设计和燃料设备调节的情况下在柴油发动机中使用这种混合物,这表明大豆油是一种有前途的柴油燃料添加剂,可以改善其技术和运行性能。
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引用次数: 1
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Management Systems in Production Engineering
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