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Special Edición: IMTech2020-INNOVATIVE MINING TECHNOLOGIES. Editors: Dariusz Prostański, Bartosz Polnik

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Detalles de la revista
Formato
Revista
eISSN
2450-5781
Publicado por primera vez
30 Mar 2017
Periodo de publicación
4 veces al año
Idiomas
Inglés

Buscar

Volumen 25 (2017): Edición 4 (December 2017)

Detalles de la revista
Formato
Revista
eISSN
2450-5781
Publicado por primera vez
30 Mar 2017
Periodo de publicación
4 veces al año
Idiomas
Inglés

Buscar

10 Artículos
Acceso abierto

Prediction Power Propulsion of the Ship at the Stage of Preliminary Design Part II: Mathematical Model Ship Power Propulsion for Service Speed Useful in the Preliminary Design

Publicado en línea: 23 Sep 2017
Páginas: 231 - 236

Resumen

Abstract

During the design of the ship the most important decisions are made at the stage of preliminary design. One of the most important design parameters assumed by the shipowner is its service speed in real weather conditions occurring in the shipping line. For this speed, at the stage of preliminary design, when are known only to the basic geometric parameters of the ship should be determined motor power. In practice design, power propulsion is determined with a very approximate formulas but for the speed in calm water. Only after the project contract and the signing of the contract are carried out by means of resistance and self-propulsion of model test. The paper presents a mathematical model for determining the power propulsion for the assumed operating speed. This model is dependent only on the basic geometric parameters of the hull of the ship and the weather parameters occurring in liner shipping. Also shows the results of calculations according to this model, the power propulsion for one of vessels built.

Palabras clave

  • power propulsion
  • service speed
  • preliminary design
Acceso abierto

Application of TRIZ Methodology in Diffusion Welding System Optimization

Publicado en línea: 23 Sep 2017
Páginas: 237 - 240

Resumen

Abstract

Welding is tremendously used in metal joining processes in the manufacturing process. In recent years, diffusion welding method has significantly increased the quality of a weld. Nevertheless, diffusion welding has some extent short research and application progress. Therefore, diffusion welding has a lack of relevant information, concerned with the joining of thick and thin materials with or without interlayers, on welding design such as fixture, parameters selection and integrated design. This article intends to combine innovative methods in the application of diffusion welding design. This will help to decrease trial and error or failure risks in the welding process being guided by the theory of inventive problem solving (TRIZ) design method. This article hopes to provide welding design personnel with innovative design ideas under research and for practical application.

Palabras clave

  • bonding pressure
  • bonding temperature
  • holding time
  • bonding strength
  • diffusion layer thickness
  • interface hardness
Acceso abierto

The Evaluation of Efficiency of the Use of Machine Working Time in the Industrial Company – Case Study

Publicado en línea: 23 Sep 2017
Páginas: 241 - 245

Resumen

Abstract

In the paper the evaluation of efficiency of the use of machines in the selected production company was presented. The OEE method (Overall Equipment Effectiveness) was used for the analysis. The selected company deals with the production of tapered roller bearings. The analysis of effectiveness was done for 17 automatic grinding lines working in the department of grinding rollers. Low level of efficiency of machines was affected by problems with the availability of machines and devices. The causes of machine downtime on these lines was also analyzed. Three basic causes of downtime were identified: no kanban card, diamonding, no operator. Ways to improve the use of these machines were suggested. The analysis takes into account the actual results from the production process and covers the period of one calendar year.

Palabras clave

  • effectiveness
  • OEE analysis
  • machines and devices
Acceso abierto

New Product Development (NPD) Process – An Example of Industrial Sector

Publicado en línea: 23 Sep 2017
Páginas: 246 - 250

Resumen

Abstract

This aim of this article is to present the process of new product introduction on example of industrial sector in context of new product development (NPD) concept. In the article, the concept of new product development is discussed and the different stages of the process of new electric motor development are analysed taking into account its objectives, implemented procedures, functions and responsibilities division. In the article, information from secondary sources and the results of empirical research – conducted in an international manufacturing company – are used. The research results show the significance of project leader and regular cooperation with final client in the NPD process.

Palabras clave

  • new product development
  • project management
  • production management
Acceso abierto

Big Data in the Industry - Overview of Selected Issues

Publicado en línea: 23 Sep 2017
Páginas: 251 - 254

Resumen

Abstract

This article reviews selected issues related to the use of Big Data in the industry. The aim is to define the potential scope and forms of using large data sets in manufacturing companies. By systematically reviewing scientific and professional literature, selected issues related to the use of mass data analytics in production were analyzed. A definition of Big Data was presented, detailing its main attributes. The importance of mass data processing technology in the development of Industry 4.0 concept has been highlighted. Subsequently, attention was paid to issues such as production process optimization, decision making and mass production individualisation, and indicated the potential for large volumes of data. As a result, conclusions were drawn regarding the potential of using Big Data in the industry.

Palabras clave

  • Big Data
  • Industrial Internet of Things
  • Industry 4.0
Acceso abierto

Environmental Performance of Kettle Production: Product Life Cycle Assessment

Publicado en línea: 23 Sep 2017
Páginas: 255 - 261

Resumen

Abstract

The main objective of this paper is to compare the environmental impact caused by two different types of water boiling processes. The aim was achieved thanks to product life cycle assessment (LCA) conducted for stovetop and electric kettles. A literature review was carried out. A research model was worked out on the basis of data available in literature as well as additional experiments. In order to have a better opportunity to compare LCA results with reviewed literature, eco-indicator 99 assessment method was chosen. The functional unit included production, usage and waste disposal of each product (according to from cradle to grave approach) where the main function is boiling 3360 l of water during 4-year period of time. A very detailed life cycle inventory was carried out. The mass of components was determined with accuracy of three decimal places (0.001 g). The majority of environmental impact is caused by electricity or natural gas consumption during usage stage: 92% in case of the electric and kettle and 99% in case of stovetop one. Assembly stage contributed in 7% and 0.8% respectively. Uncertainty and sensitivity analyses took into consideration various waste scenario patterns as well as demand for transport. Environmental impact turned out to be strongly sensitive to a chosen pattern of energy delivery (electricity mix) which determined final comparison results. Basing on LCA results, some improvements of products were suggested. The boiling time optimization was pointed out for electric kettle's efficiency improvement. Obtained results can be used by manufacturers in order to improve their eco-effectiveness. Moreover, conclusions following the research part can influence the future choices of home appliances users.

Palabras clave

  • comparative analysis
  • eco-efficiency
  • environmental management
  • environmental performance
  • life cycle assessment LCA
  • production
  • water boiling process
Acceso abierto

Biophotonics for Biofuel Upgradation

Publicado en línea: 23 Sep 2017
Páginas: 262 - 266

Resumen

Abstract

Experimental studies have been made to find out Cyanobacterias’ biophotonical response in gaseous-fuelation and carbon dioxide fixation during photo-anaerobic digestion. A new horizontal type photo-bioreactor has been designed by using environment hazard plastic bottles and it works ideally for anoxygenic cyanobacterial growth. Through ‘V3-metagenomics’ of 16S rRNA gene sequencing by paired-end Illumina MiSeq and downstream analysis by QIIME program, we have identified anaerobic cyanobacteria, represent the orders YS2 and Streptophyta. OTUs have been identified by aligning against Greengenes and Silva databases, separately. The flame temperature of the fuel gas is 860°C and the percent-content of carbon dioxide (CO2) is 17.6%.

Palabras clave

  • cyanobacteria
  • photo-anaerobic digestion
  • CO fixation
  • gaseous fuels
  • V3-metagenomics
Acceso abierto

Information About Cost of Goods Produced and its Usefulness for Production Engineers – A Case of SME

Publicado en línea: 23 Sep 2017
Páginas: 267 - 272

Resumen

Abstract

The article stresses the consequences of simplifications implemented in the measurement process of goods produced that are of crucial importance to production engineers in SME. The authors show the variety of possibilities that might be used by financial employees together with probable outputs in terms of valuation distortions. Using the case study the authors emphasis the importance of close cooperation of production engineers with finance professionals as out-puts of finance departments consist an important input for decision-making process of production managers. Further-more, demonstrated deficiencies in terms of methods applicable in financial reporting for measurement of the value of goods produced indicate the need for incorporation more financial and non-financial data in the process of judgments about the final cost of goods produced as simplifications applied in SME distort financial information provided to production engineers.

Palabras clave

  • accounting
  • cost accounting
  • methods of cost calculations
  • cost management in SME
  • production engineering
Acceso abierto

Reciprocal Allocation Method in Service Departments. The Case of a Production Enterprise

Publicado en línea: 23 Sep 2017
Páginas: 273 - 277

Resumen

Abstract

The main aim of this article is to indicate the role of reciprocal allocation method in the process of costs calculation. In the environment of nowadays companies, often taking very complex organisational forms, the existence of service departments becomes of great importance. Although, as far as management accounting processes are concerned, which lead to identifying the product cost, the service departments’ costs come out to be of minor importance. This article means to prove that the service departments’ costs and their reliable settlement are a desirable source of information about the products. This work consists of two parts. First of them features theoretical considerations and a critical analysis of subject literature. In the latter part, the service departments’ costs calculation will be presented, basing on reciprocal services in a production enterprise from chemical industry.

Palabras clave

  • management accounting
  • cost calculation
  • management of production costs
  • service department
Acceso abierto

Operational and Strategic Controlling Tools in Microenterprises – Case Study

Publicado en línea: 23 Sep 2017
Páginas: 278 - 282

Resumen

Abstract

Globalisation and increasing requirements of the environment cause the executives and supervisors to search for more and more perfect solutions, allowing them to streamline and improve the effectiveness of company operations. One of such tools, used more and more often, is controlling, the role of which has substantially increased in the recent years. It is already implemented not only in large companies with foreign capital, but also in increasingly smaller entities, which begin to notice the positive effects of the implications of the principles and tools of controlling - both operational and strategic. The purpose of the article is to demonstrate the practical side of controlling tools that can be used for the purposes of operations conducted by microenterprises.

Palabras clave

  • strategic controlling
  • operational controlling
  • microenterprise
10 Artículos
Acceso abierto

Prediction Power Propulsion of the Ship at the Stage of Preliminary Design Part II: Mathematical Model Ship Power Propulsion for Service Speed Useful in the Preliminary Design

Publicado en línea: 23 Sep 2017
Páginas: 231 - 236

Resumen

Abstract

During the design of the ship the most important decisions are made at the stage of preliminary design. One of the most important design parameters assumed by the shipowner is its service speed in real weather conditions occurring in the shipping line. For this speed, at the stage of preliminary design, when are known only to the basic geometric parameters of the ship should be determined motor power. In practice design, power propulsion is determined with a very approximate formulas but for the speed in calm water. Only after the project contract and the signing of the contract are carried out by means of resistance and self-propulsion of model test. The paper presents a mathematical model for determining the power propulsion for the assumed operating speed. This model is dependent only on the basic geometric parameters of the hull of the ship and the weather parameters occurring in liner shipping. Also shows the results of calculations according to this model, the power propulsion for one of vessels built.

Palabras clave

  • power propulsion
  • service speed
  • preliminary design
Acceso abierto

Application of TRIZ Methodology in Diffusion Welding System Optimization

Publicado en línea: 23 Sep 2017
Páginas: 237 - 240

Resumen

Abstract

Welding is tremendously used in metal joining processes in the manufacturing process. In recent years, diffusion welding method has significantly increased the quality of a weld. Nevertheless, diffusion welding has some extent short research and application progress. Therefore, diffusion welding has a lack of relevant information, concerned with the joining of thick and thin materials with or without interlayers, on welding design such as fixture, parameters selection and integrated design. This article intends to combine innovative methods in the application of diffusion welding design. This will help to decrease trial and error or failure risks in the welding process being guided by the theory of inventive problem solving (TRIZ) design method. This article hopes to provide welding design personnel with innovative design ideas under research and for practical application.

Palabras clave

  • bonding pressure
  • bonding temperature
  • holding time
  • bonding strength
  • diffusion layer thickness
  • interface hardness
Acceso abierto

The Evaluation of Efficiency of the Use of Machine Working Time in the Industrial Company – Case Study

Publicado en línea: 23 Sep 2017
Páginas: 241 - 245

Resumen

Abstract

In the paper the evaluation of efficiency of the use of machines in the selected production company was presented. The OEE method (Overall Equipment Effectiveness) was used for the analysis. The selected company deals with the production of tapered roller bearings. The analysis of effectiveness was done for 17 automatic grinding lines working in the department of grinding rollers. Low level of efficiency of machines was affected by problems with the availability of machines and devices. The causes of machine downtime on these lines was also analyzed. Three basic causes of downtime were identified: no kanban card, diamonding, no operator. Ways to improve the use of these machines were suggested. The analysis takes into account the actual results from the production process and covers the period of one calendar year.

Palabras clave

  • effectiveness
  • OEE analysis
  • machines and devices
Acceso abierto

New Product Development (NPD) Process – An Example of Industrial Sector

Publicado en línea: 23 Sep 2017
Páginas: 246 - 250

Resumen

Abstract

This aim of this article is to present the process of new product introduction on example of industrial sector in context of new product development (NPD) concept. In the article, the concept of new product development is discussed and the different stages of the process of new electric motor development are analysed taking into account its objectives, implemented procedures, functions and responsibilities division. In the article, information from secondary sources and the results of empirical research – conducted in an international manufacturing company – are used. The research results show the significance of project leader and regular cooperation with final client in the NPD process.

Palabras clave

  • new product development
  • project management
  • production management
Acceso abierto

Big Data in the Industry - Overview of Selected Issues

Publicado en línea: 23 Sep 2017
Páginas: 251 - 254

Resumen

Abstract

This article reviews selected issues related to the use of Big Data in the industry. The aim is to define the potential scope and forms of using large data sets in manufacturing companies. By systematically reviewing scientific and professional literature, selected issues related to the use of mass data analytics in production were analyzed. A definition of Big Data was presented, detailing its main attributes. The importance of mass data processing technology in the development of Industry 4.0 concept has been highlighted. Subsequently, attention was paid to issues such as production process optimization, decision making and mass production individualisation, and indicated the potential for large volumes of data. As a result, conclusions were drawn regarding the potential of using Big Data in the industry.

Palabras clave

  • Big Data
  • Industrial Internet of Things
  • Industry 4.0
Acceso abierto

Environmental Performance of Kettle Production: Product Life Cycle Assessment

Publicado en línea: 23 Sep 2017
Páginas: 255 - 261

Resumen

Abstract

The main objective of this paper is to compare the environmental impact caused by two different types of water boiling processes. The aim was achieved thanks to product life cycle assessment (LCA) conducted for stovetop and electric kettles. A literature review was carried out. A research model was worked out on the basis of data available in literature as well as additional experiments. In order to have a better opportunity to compare LCA results with reviewed literature, eco-indicator 99 assessment method was chosen. The functional unit included production, usage and waste disposal of each product (according to from cradle to grave approach) where the main function is boiling 3360 l of water during 4-year period of time. A very detailed life cycle inventory was carried out. The mass of components was determined with accuracy of three decimal places (0.001 g). The majority of environmental impact is caused by electricity or natural gas consumption during usage stage: 92% in case of the electric and kettle and 99% in case of stovetop one. Assembly stage contributed in 7% and 0.8% respectively. Uncertainty and sensitivity analyses took into consideration various waste scenario patterns as well as demand for transport. Environmental impact turned out to be strongly sensitive to a chosen pattern of energy delivery (electricity mix) which determined final comparison results. Basing on LCA results, some improvements of products were suggested. The boiling time optimization was pointed out for electric kettle's efficiency improvement. Obtained results can be used by manufacturers in order to improve their eco-effectiveness. Moreover, conclusions following the research part can influence the future choices of home appliances users.

Palabras clave

  • comparative analysis
  • eco-efficiency
  • environmental management
  • environmental performance
  • life cycle assessment LCA
  • production
  • water boiling process
Acceso abierto

Biophotonics for Biofuel Upgradation

Publicado en línea: 23 Sep 2017
Páginas: 262 - 266

Resumen

Abstract

Experimental studies have been made to find out Cyanobacterias’ biophotonical response in gaseous-fuelation and carbon dioxide fixation during photo-anaerobic digestion. A new horizontal type photo-bioreactor has been designed by using environment hazard plastic bottles and it works ideally for anoxygenic cyanobacterial growth. Through ‘V3-metagenomics’ of 16S rRNA gene sequencing by paired-end Illumina MiSeq and downstream analysis by QIIME program, we have identified anaerobic cyanobacteria, represent the orders YS2 and Streptophyta. OTUs have been identified by aligning against Greengenes and Silva databases, separately. The flame temperature of the fuel gas is 860°C and the percent-content of carbon dioxide (CO2) is 17.6%.

Palabras clave

  • cyanobacteria
  • photo-anaerobic digestion
  • CO fixation
  • gaseous fuels
  • V3-metagenomics
Acceso abierto

Information About Cost of Goods Produced and its Usefulness for Production Engineers – A Case of SME

Publicado en línea: 23 Sep 2017
Páginas: 267 - 272

Resumen

Abstract

The article stresses the consequences of simplifications implemented in the measurement process of goods produced that are of crucial importance to production engineers in SME. The authors show the variety of possibilities that might be used by financial employees together with probable outputs in terms of valuation distortions. Using the case study the authors emphasis the importance of close cooperation of production engineers with finance professionals as out-puts of finance departments consist an important input for decision-making process of production managers. Further-more, demonstrated deficiencies in terms of methods applicable in financial reporting for measurement of the value of goods produced indicate the need for incorporation more financial and non-financial data in the process of judgments about the final cost of goods produced as simplifications applied in SME distort financial information provided to production engineers.

Palabras clave

  • accounting
  • cost accounting
  • methods of cost calculations
  • cost management in SME
  • production engineering
Acceso abierto

Reciprocal Allocation Method in Service Departments. The Case of a Production Enterprise

Publicado en línea: 23 Sep 2017
Páginas: 273 - 277

Resumen

Abstract

The main aim of this article is to indicate the role of reciprocal allocation method in the process of costs calculation. In the environment of nowadays companies, often taking very complex organisational forms, the existence of service departments becomes of great importance. Although, as far as management accounting processes are concerned, which lead to identifying the product cost, the service departments’ costs come out to be of minor importance. This article means to prove that the service departments’ costs and their reliable settlement are a desirable source of information about the products. This work consists of two parts. First of them features theoretical considerations and a critical analysis of subject literature. In the latter part, the service departments’ costs calculation will be presented, basing on reciprocal services in a production enterprise from chemical industry.

Palabras clave

  • management accounting
  • cost calculation
  • management of production costs
  • service department
Acceso abierto

Operational and Strategic Controlling Tools in Microenterprises – Case Study

Publicado en línea: 23 Sep 2017
Páginas: 278 - 282

Resumen

Abstract

Globalisation and increasing requirements of the environment cause the executives and supervisors to search for more and more perfect solutions, allowing them to streamline and improve the effectiveness of company operations. One of such tools, used more and more often, is controlling, the role of which has substantially increased in the recent years. It is already implemented not only in large companies with foreign capital, but also in increasingly smaller entities, which begin to notice the positive effects of the implications of the principles and tools of controlling - both operational and strategic. The purpose of the article is to demonstrate the practical side of controlling tools that can be used for the purposes of operations conducted by microenterprises.

Palabras clave

  • strategic controlling
  • operational controlling
  • microenterprise

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