Wyniki wyszukiwania - BazTech

1

SPC w branży motoryzacyjnej - wymagania a dobra praktyka inżynierska

Golińska Ewa

Zarządzanie Przedsiębiorstwem

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2023

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Vol. 26, nr 2

2--6

EN

In the article one of methods of the quality management - statistical process control (SPC) has been discussed in the article. On the example of the car headrests producing enterprise benefits from applying this method has been presented. Correctly implemented SPC and correctly analyzed data from control cards result not only in the stabilization of production processes, but can also have a beneficial effect on reducing production costs.

2

Comparative analysis of low power implementation for AES algorithm in ARTIX 7 FPGA & ASIC

Manoj G., Roopa Jayasingh J., Divya P. S., Saravanan K.

Przegląd Elektrotechniczny

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2023

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R. 99, nr 6

23--26

EN

Encryption is a mandate in today’s information sharing based society. Various Algorithms have been proposed and used to implement encryption. The AES algorithm is one such encryption algorithm widely known for its faster encryption speeds and withstanding ability against cyberattacks. Its resilience comes from the fact that it can use 128 or 192- or 256-bit keys to encrypt 128, 192 or 256 bit plain text. The AES algorithm has been implemented in ASIC and FPGA to realize the best practices for the implementation of the algorithm for efficient usage. The power, area and timing analysis from both implementations have been compared to infer the best implementation strategy. The experimental results indicate that care has to be taken to reduce switching activity of signals which were observed to be the primary contributor of dynamic power consumption. Recommendations have been included to reduce signal switching power consumption during Logic BIST designs for the algorithm. The power analysis show that ASIC implementation of the AES algorithm would be much more beneficial in comparison to ARTIX 7 FPGA implementation.

PL

Szyfrowanie jest obowiązkiem w dzisiejszym społeczeństwie opartym na wymianie informacji. Zaproponowano i wykorzystano różne algorytmy do implementacji szyfrowania. Algorytm AES jest jednym z takich algorytmów szyfrowania, powszechnie znanym z większej szybkości szyfrowania i odporności na cyberataki. Jego odporność wynika z faktu, że może używać kluczy 128-, 192- lub 256-bitowych do szyfrowania zwykłego tekstu 128, 192 lub 256-bitowego. Algorytm AES został zaimplementowany w ASIC i FPGA, aby zrealizować najlepsze praktyki implementacji algorytmu w celu efektywnego wykorzystania. Porównano analizę mocy, obszaru i czasu z obu wdrożeń, aby wywnioskować najlepszą strategię wdrożenia. Wyniki eksperymentów wskazują, że należy zwrócić uwagę na zmniejszenie aktywności przełączania sygnałów, które były głównymi sprawcami dynamicznego poboru mocy. Uwzględniono zalecenia dotyczące zmniejszenia poboru mocy przy przełączaniu sygnału podczas projektowania logiki BIST dla algorytmu. Analiza mocy wykazała, że implementacja ASIC algorytmu AES byłaby dużo bardziej korzystna w porównaniu z implementacją ARTIX 7 FPGA.

3

Effective data usage for the proper and beneficial automotive production cost improvement

Krzesniak G.

Journal of Achievements in Materials and Manufacturing Engineering

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2023

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Vol. 119, nr 1

27-34

EN

Purpose The article aims to present a proposal and discuss the investment cost calculation procedures based on data collected during the manufacturing process, according to standard SPC control chart evaluation and standard PDCA. It is applied as a tool to support the process of continuous improvement of the manufacturing process and improve profitability by proper allocation the cost of investment and resources. Design/methodology/approach The study uses the results of a literature review on the issue of cost analysis and their modelling. Key elements are the main cost components, but also those that are considered less important and maybe overall decisive. Application cost to benefit relations – as a method of data evaluation for cost modelling to improve overall cost structure is proposed. Findings The relationship between return on investment and amortisation time allows to easily visualise which of the proposed changes are the most cost-effective over time. Based on the analysis conducted the results, the change is proposed below, in order from the most cost-effective. Research limitations/implications Further research should focus on the impact if a decision were based on the findings and proposals defined. Practical implications Each production process is based on the use of resources. This applies to both production plants and other activities. A resource can be anything that will be used in the manufacturing process. Of key importance for the success of the project is their proper use and not only effective but most of all efficient. Originality/value The considerations presented in the study may be the basis for determining the key factors of the cost of production and investment. The proposed simulation model allows for determining the efficient direction for investment. This, in turn, should enable us to define the main directions of searching for the optimisation of the product cost to achieve the expected cost and quality level.

4

Quality management in manufacturing processes for serial production organization – case study

Mazur Magdalena

Quality Production Improvement - QPI

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2021

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Vol. 3, Iss. 1

377--385

EN

The basis for the control work for the quality in manufacturing process is the supervision of the effects of this process and the verification of the correctness of the employees' activities. The continuity of the control activities carried out indicates the need to supervise all production elements of the offered products. The article presents unit guidelines of quality analyzes for the production and assembly of car brake calipers. The presented analyzes constitute the basis of a complete supervision system and are an element repeated in each subsequent production batch. The quantitative analysis of production non-conformities was supplemented with the determination of the causes and effects for these errors, and the analysis of statistical indicators of qualitative ability. The results for one production batch were presented along with the adopted procedure, which are a component of the system of supervision over the results of control processes included in the production process.

5

Assessing the representative elementary volume of rock types by X-ray computed tomography (CT) – a simple approach to demonstrate the heterogeneity of the Boda Claystone Formation in Hungary

Abutaha Saja M., Geiger János, Gulyás Sándor, Fedor Ferenc

Geologos

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2021

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Vol. 27, No. 3

157--172

EN

X-ray computed tomography (CT) can reveal internal, three-dimensional details of objects in a non-destructive way and provide high-resolution, quantitative data in the form of CT numbers. The sensitivity of the CT number to changes in material density means that it may be used to identify lithology changes within cores of sedimentary rocks. The present pilot study confirms the use of Representative Elementary Volume (REV) to quantify inhomogeneity of CT densities of rock constituents of the Boda Claystone Formation. Thirty-two layers, 2 m core length, of this formation were studied. Based on the dominant rock-forming constituent, two rock types could be defined, i.e., clayey siltstone (20 layers) and fine siltstone (12 layers). Eleven of these layers (clayey siltstone and fine siltstone) showed sedimentary features such as, convolute laminations, desiccation cracks, cross-laminations and cracks. The application of the Autoregressive Integrated Moving Averages, Statistical Process Control (ARIMA SPC) method to define Representative Elementary Volume (REV) of CT densities (Hounsfield unit values) affirmed the following results: i) the highest REV values corresponded to the presence of sedimentary structures or high ratios of siltstone constituents (> 60%). ii) the REV average of the clayey siltstone was (5.86 cm3) and (6.54 cm3) of the fine siltstone. iii) normalised REV percentages of the clayey siltstone and fine siltstone, on the scale of the core volume studied were 19.88% and 22.84%; respectively. iv) whenever the corresponding layer did not reveal any sedimentary structure, the normalised REV values would be below 10%. The internal void space in layers with sedimentary features might explain the marked textural heterogeneity and elevated REV values. The drying process of the core sample might also have played a significant role in increasing erroneous pore proportions by volume reducation of clay minerals, particularly within sedimentary structures, where authigenic clay and carbonate cement were presumed to be dominant.

6

Analiza i ocena jakości serka homogenizowanego

Jędras Anna, Knop Krzysztof

Archiwum Wiedzy Inżynierskiej

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2021

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T. 6, Nr 1

34--38

PL

Artykuł dotyczy wykorzystania wybranych narzędzi jakości w celu analizy i oceny jakości serka homogenizowanego produkowanego przez badaną Okręgową Spółdzielnię Mleczarską. Zastosowano takie narzędzia jakości, jak: histogram, diagram Ishikawy, diagram relacji, oraz diagram systematyki w celu analizy i oceny danych liczbowych oraz problemów jakościowych i poszukiwania rozwiązań. Dokonano oceny stabilności masy netto badanego produktu, w tym celu użyto kart kontrolne, oraz oceny zdolności jakościowej procesu przy wykorzystaniu wskaźników Cp i Cpk. Wykazano, że proces dozowania jest statystycznie ustabilizowany, natomiast tego procesu nie można uznać jako zdolnego jakościowo. Wykazano także, że na jakość produktu mają wpływ różnorodne czynniki, które są związane z wystąpieniem niezgodności oraz posiadają wzajemne powiązania między sobą. Określono, aby udoskonalić proces produkcyjny oraz poprawić jakość produktu spożywczego należy zapewnić szkolenia dla pracowników, poprawę warunków ich pracy oraz odpowiednio ich motywować. Należy zwiększyć także częstotliwość dokonywania przeglądów linii produkcyjnej, a także jak najlepiej dopasować ustawienia maszyn wykorzystywanych przy produkcji.

EN

The article concerns the use of selected quality tools to analyze and evaluate the quality of homogenized cheese produced by the examined District Dairy Cooperative. Quality tools such as a histogram, Ishikawa diagram, interrelationship diagram, and tree diagram were used to analyze and evaluate numerical data and quality problems and search for solutions. The stability of the net mass of the tested product was assessed, for the purpose control cards were used, and the qualitative capability of the process was assessed with the use of Cp and Cpk indices. It has been shown that the dosing process is statistically stabilized, but this process cannot be considered qualitatively capable. It has also been shown that the quality of the product is influenced by various factors that are related to the occurrence of non-conformance and are related to each other. It was determined that in order to improve the production process and improve the quality of the food product, it is necessary to provide training for employees, to improve their working conditions and to motivate them accordingly. The frequency of inspections of the production line should also be increased, as well as the best adjustment of the settings of machines used in production.

7

Application of X-S Control Cards to Parameter Control in the Machining Process of Piston Castings for Internal Combustion Engines

Krępa Adam, Piątkowski J.

Archives of Foundry Engineering

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2021

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Vol. 21, iss. 4

116--120

EN

This article discusses the possibility of using a two-track X-S control card on a Mesas device to control the production process parameters of piston castings for combustion engines. The research was carried out at the Federal-Mogul Gorzyce company. The basis for estimating the variability of the process results from the mean value (X) is the standard deviation (S). Thanks to specially designed measuring stations that use algorithms to calculate process indicators (Cp and/or Cpk) and their visualization, the cost of manufacturing products and the number of non-compliant products (scraps) are reduced. The process stability was investigated by measuring the key dimensions of the piston casting in a specific population and a given measurement cycle. Taking into account the precision of details, their technical condition, and surface quality, the production machines and cutting tools were optimally selected. It has been found that an important element of the effective use of Statistical Process Control (SPC) are trained/experienced operators who can correctly interpret the resulting control chart forms.

8

Wpływ dodatku środków powierzchniowo czynnych lub polimerów na opór przepływu roztworów wodnych

Malcher Tadeusz

Przemysł Chemiczny

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2019

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T. 98, nr 9

1427--1429

PL

Dodatki środków powierzchniowo czynnych lub polimerów wywołują zmniejszenie oporów przepływu mediów. Przedstawiono i porównano 3 sposoby ograniczenia oporów przepływu i efekty towarzyszące temu zjawisku.

EN

Fundamentals and a review with 19 refs.

9

Zastosowanie lasera do pomiaru prędkości w procesie produkcji tektury falistej

Musielak Stanisław K., Kasprzyk Jerzy G.

Przegląd Papierniczy

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2019

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R. 75, nr 7

449--460

PL

Laser jest rzadko wykorzystywany do pomiaru prędkości w linii produkcji tektury, głównie w celu synchronizacji pracy przekrawacza. W artykule opisano wyniki nowatorskich badan nad wpływem zastosowania lasera na dokładność ciecia na przekrawaczu. Dokładność i jakość ciecia ma istotny wpływ na jakość i wydajność tektury, a co za tym idzie na efekty finansowe producenta. Pomiary zostały wykonane w różnych warunkach pracy tekturnicy W szczególności zbadano dokładność ciecia przekrawacza dla stałych prędkości linii, a także w czasie zwalniania i przyspieszania pracy tekturnicy. Porównano uzyskiwane dokładności cięcia dla określenia i porównania prędkości uzyskiwanych z systemem lasera (jako sensora bezkontaktowego) z wynikami otrzymanymi dla klasycznego systemu pomiarowego opartego na enkodorze. Pomiary wykonano dla tektur o różnej długości. Badano także wpływ jakości tektury na dokładność pomiaru. Wykazano również, ze w przypadku zastosowania układu z laserem mogą pojawić się błędy cięcia. Badania prowadzono na trzech tekturnicach w różnych zakładach.

EN

The laser is rarely used to measure the speed in the corrugated board production line, mainly for the need to synchronize the cutter’s operation. The article describes the results of innovative research on the impact of laser application on the accuracy of the cutting process on the cutter. The accuracy and quality of the cutting process has a significant impact on the quality and efficiency of corrugated board production, and hence the financial effects of the producer. The authors present the results of measurements for different working conditions of the corrugator. In particular, the accuracy of the cutter was tested for constant line speeds as well as during the deceleration and acceleration of the corrugator’s operation. The obtained cutting accuracy was compared to determine and compare the speed obtained with the laser system as a non-contact sensor with the results obtained for a classic encoder-based measuring system. Measurements were made for different board lengths. The influence of the quality of the board on the accuracy of the measurement was also examined. It has been shown that cutting errors may also occur when using a laser system. The research was conducted for three selected real objects.

10

Skuteczność zastosowania komputerowego wspomagania jakości w zakresie statystycznego sterowania procesami w spełnieniu wymagań jakościowych w branży motoryzacyjnej

Wiecha Łukasz, Ćwikła Grzegorz, Roszak Marek

Problemy Jakości

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2019

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R. 51, nr 8

13--20

PL

Celem niniejszego artykułu jest przedstawienie wymagań normy IATF 16949:2016 oraz standardu VDA 6.1 w zakresie statystycznego sterowania procesami (SPC), stosowanych wobec dostawców w branży motoryzacyjnej oraz sposobów ich spełnienia przy użyciu nowoczesnych narzędzi komputerowo zintegrowanego systemu wspomagania jakości (CAQ) bazującego na programie LEAN-QS. Wykazano skuteczność zastosowania zaprezentowanego narzędzia, pozwalającego na spełnienie wymagań branżowych przy niewielkiej ilości zasobów koniecznych do nadzoru oraz prawidłowego realizowania kluczowego procesu systemu zarządzania jakością, jakim jest SPC. Przedstawione w opracowaniu wyniki analizy przypadków stanowią wyniki przeprowadzonych badań w firmie będącej dostawcą w branży motoryzacyjnej, w której wdrożono jeden z modułów programu LEAN-QS w celu spełnienia wymagań certyfikowanego systemu zarządzania jakością zgodnego z normą IATF 16949:2016.

EN

The purpose of this article is to present the requirements of IATF 16949:2016 standard and VDA 6.1 standard in the field of statistical process control (SPC) for suppliers of the automotive industry, as well as ways to meet them using modern tools of an integrated computer aided quality systems (CAQ) based on the LEANQS program. The effectiveness of using the presented tool was demonstrated, allowing to meet industry requirements with a small amount of resources necessary for supervision and proper implementation of the key process of the quality management system such as SPC. The results of the case analysis presented in the paper are the results of the research carried out in a company being supplier in the automotive industry, in which one of the LEAN-QS modules was implemented to meet the requirements of a certified quality management system compliant with IATF 16949:2016.

11

Statistical process control and CAQ systems as a tools assuring quality in the automotive industry

Wiecha Łukasz, Ćwikła Grzegorz

Multidisciplinary Aspects of Production Engineering

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2019

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Vol. 2, Iss. 1

336--344

EN

The aim of the article is to present the case study of implementation of the example CAQ system, which allows to meet the requirements of IATF 16949:2016 and the VDA 6.1 standards in the field of statistical process control (SPC). The foundations of the CAQ systems concept and their specific requirements, especially for companies operating in the automotive industry, for which modern CAQ tools are necessary, in the described case based on the LEAN-QS program, are presented. The article presents the observations and results of the analysis of the operation of the quality assurance system in a company that is a supplier of car parts. One of the modules of the LEAN-QS program was implemented there, which makes it possible to meet the requirements of a certified quality management system. The effectiveness of the presented tool was demonstrated, allowing to meet industry requirements while minimizing resources necessary for supervision and proper implementation of the quality management system process, which in this case is the SPC.

12

A SPC Strategy for Decision Making in Manufacturing Processes

Gil del Val Alain, Sawik Bartosz, Agustín Alba, Faulín Javier, Diéguez Pedro María

Decision Making in Manufacturing and Services

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2019

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Vol. 13, no. 1-2

5--15

EN

Tapping is an extensively employed manufacturing process by which a multi-teeth tool, known as a tap, cuts a mating thread when driven into a hole. When taps are new or slightly worn, the process is under control and the geometry of the resulting threads on the workpiece is correct. But as the tap wear increases, the thread geometry deviates progressively from the correct one and eventually the screw threads become unacceptable. The aim of this paper is to outline the development of a statistical process control strategy for decision making based on data coming from the current signal of the tap spindle for assessing thread quality. It could operate on line, and indicates when the tap wear is so critical that, if the process were continued, it would result in unacceptable screw threads. The system would be very cost-effective since the tapping process could be run without any operator intervention.

13

Statistical analysis of the process of repair of automotive vehicles using methods of CPM and PERT network analysis

Sliż P.

Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska

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2018

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z. 118

515--524

EN

The aim of the article was to present the results of statistical analysis of the ability of the process of repairing motor vehicles in the Polish dealer network. The article presents the results of research carried out on a sample of six organizations. In empirical proceedings, the following research methods were used: literature review, analysis of secondary research, observation, statistical analysis of process capability and network analysis methods. The second point presents the assumptions of statistical analysis of the process capability. Then, the structure of empirical proceedings was described. In the third point, the results of the basic empirical study were characterized. The next point of the article presents the results of the analysis of the process capability of the studied process using the CPM and PERT methods.

14

Badanie zdolności jakościowej procesów z jednostronną granicą tolerancji

Antosz K., Kluz R.

Technologia i Automatyzacja Montażu

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2018

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nr 2

49--52

PL

Nieodłącznym elementem nadzoru nad procesami produkcyjnymi jest badanie ich zdolności jakościowej. Przeważnie analizowane są procesy o dwustronnej granicy tolerancji. Problem pojawia się, kiedy ograniczenia dla procesów są jednostronne. Nie można wówczas wykorzystać standardowej procedura oceny zdolności jakościowej procesu. W pracy przedstawiona zostanie metodyka oceny zdolności procesów przy jednostronnej granicy tolerancji na rzeczywistym procesie produkcyjnym. Przedstawiona metodyka zostanie zastosowana do analizy zdolności jakości procesu z jednostronną granicą tolerancji.

EN

An inherent element of supervision over production processes is the study of their qualitative capability. Most processes are analyzed with a both side specification limit. The problem arises when the process restrictions are one-sided. The standard process quality assessment process cannot be used then. The paper will present the methodology for assessing the capability of processes at the one side specification limit on the actual production process. The presented methodology will be used to analyze the process quality capability with a one-sided specification limit.

15

Statistical control of the production process of rolled products

Knop K.

Production Engineering Archives

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2018

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Vol. 20

26--31

EN

The article presents the results of the use of SPC tools, i.e. control charts and indicators of the qualitative capability to assess the stability and capability of the production process of rolled products - I-sections. Statistical analysis of the collected data regarding the selected feature of the analysed product - the width of the foot, and the normality of the distribution were done, which showed that the obtained distribution of measurement results is not a normal distribution. As a result, appropriate SPC procedures for non-normal distribution were used. The Pareto-Lorenzo diagram and FMEA method were also used to obtain information about the structure of non-conformities of the analysed product and the level of risk associated with them. This information was used to propose corrective actions and improve the production process of rolled products.

16

The improvement of manufacturing process through the use of statistical process control

Jardzioch A., Marczak W., Krebs I.

Journal of Machine Construction and Maintenance - Problemy Eksploatacji

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2018

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no. 4

105--111

EN

In the present paper, we describe a sample application of Statistical Process Control aimed at improving the manufacturing process and enhancing the quality of the manufactured product. The selected object of study included a high-density polyethylene (HDPE) film manufacturing system and mass-produced plastic bags. The examination carried out during technological tests confirmed process capability for manufacturing a oproduct of proper quality. The reexamination which followed the identification of non-conformance of the product indicated the loss of this capability. It resulted in detecting variations and their source and, consequently, any non-conformances arising in the manufacturing process were eliminated.

PL

Przedstawiono przykład zastosowania Statystycznego Sterowania Procesem (SPC) w celu doskonalenia procesu produkcyjnego oraz poprawy jakości produkowanego wyrobu. Jako obiekt badawczy przyjęto system produkujący folię polietylenową wysokiej gęstości HDPE oraz torebki foliowe w warunkach produkcji masowej. Badania przeprowadzone w trakcie prób technologicznych potwierdziły zdolność procesu do produkcji wyrobu o odpowiedniej jakości. Powtórne badania przeprowadzone po wykryciu niezgodności wyrobów gotowych wskazały na utratę zdolności do produkcji odpowiedniej jakości wyrobów. W wyniku przeprowadzonych badań zidentyfikowano nieprawidłowości występujące w procesie produkcyjnym, wskazano przyczyny ich występowania oraz zaproponowano rozwiązania pozwalające na wyeliminowanie wykrytych niezgodności.

17

Implementation of Statistical Process Control (SPC) in the Sewing Section of Garment Industry for Quality Improvement

Abtew M. A., Kropi S., Hong Y., Pu L.

Autex Research Journal

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2018

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Vol. 18, no. 2

160--172

EN

The main aim of this research was to implement appropriate Statistical Process Control (SPC) techniques for quality characteristics on sewing floor of garment Industry. Among different SPC quality improvements tools, control charts have been selected. After analyzing and selecting different critical parameters based on company and customer requirements, the X-bar and R charts for variable and c-charts for attribute quality characteristics have been identified and implemented in the trouser sewing lines for quality improvement. The check points for selected control chart implementation have also been designed. Remedial action plans for the occurred special cause variations and process stability were developed. The project incorporated theoretical and on-job training schemes for different quality team members, to understand the SPC concept and its implementation procedure. After implementation, significant improvements in the sewing section were achieved. The four months analysis before and after implementation of the SPC tools showed that the rejection percentage was reduced from 9.141% to 6.4%. Successful implementation of the result of this project can significantly improve process performance of other similar manufacturing units with appropriate modification.

18

FMEA and its application in the SPC

Bebr L., Bícová K.

Zeszyty Naukowe Politechniki Rzeszowskiej. Mechanika

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2017

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z. 89 [295], nr 3

277--284

EN

In today's industry, particularly in the automotive industry, the Failure Mode and Effects Analysis (FMEA) method is a frequently used tool. FMEA is one of the tools which help to identify the causes of process variability and thereby the possibilities of defect occurrence in the evaluated design including the evaluation of their relevant risks. This paper describes the application of the FMEA method to the manufacturing process, with the aim to identify the main causes of process variability, which can affect the resulting product. Further the article introduces other types of FMEA methods based on the basic model, however tailored for specific use in various areas. Finally, the measures, actions and recommendations for correct implementation of the FMEA process are mentioned.

PL

Obecnie w branży przemysłowej, szczególnie w przemyśle motoryzacyjnym, często stosuje się analizę rodzajów błędów oraz ich skutków (FMEA). FMEA jest jednym z narzędzi, które pomagają w identyfikacji przyczyn zmienności procesu, a tym samym możliwości wystąpienia usterki w ocenianym projekcie i ocenie jej istotnych zagrożeń. Niniejszy artykuł opisuje zastosowanie metody FMEA do analizy procesu produkcyjnego w celu zidentyfikowania głównych przyczyn zmienności tego procesu, które mogą wpływać na otrzymany wyrób. Jej celem jest określenie najlepszego podejścia, pozwalającego na osiągnięcie najbardziej pożądanych wyników. Ponadto w artykule przedstawiono inne typy metody FMEA, oparte na modelu podstawowym, które są dostosowane do konkretnego zastosowania w różnych dziedzinach. Omówiono środki, działania i zalecenia dotyczące prawidłowego wdrożenia procesu FMEA.

19

Statistical process control in the maintenance

Zasadzień M.

Systemy Wspomagania w Inżynierii Produkcji

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2017

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Vol. 6, iss. 4

159--165

EN

Improvement of processes connected with maintenance is important from the perspective of the company’s productivity. The proper functioning of the departments responsible for maintaining technical assets in working order affects the production efficiency, safety of the operating personnel, quality of the products and the effectiveness of realisation of the production plans. One of the most important tasks of the maintenance department is minimising the length of stoppages caused by breakdowns. The article presents a proposal of using SPC tools for the constant improvement of the maintenance process. Implementation of static process control allowed for identifying the major problems which lengthen the breakdown removal time, as well as continuously monitoring the breakdown removal process. The study is based on breakdown data gathered in a production company over the period of three years.

PL

Doskonalenie procesów związanych z utrzymaniem ruchu jest istotne z punktu widzenia produktywności przedsiębiorstwa. Od sprawnie działających służb odpowiedzialnych za utrzymanie w sprawności środków technicznych zależy wydajność produkcji, bezpieczeństwo obsługujących, jakość wyrobów oraz skuteczność realizacji planów produkcyjnych. Jednym z najważniejszych zadań utrzymania ruchu jest minimalizowanie długości trwania przestojów spowodowanymi awariami. W artykule zaprezentowano propozycję zastosowania narzędzi SPC do ciągłego doskonalenia procesu utrzymania ruchu. Implementacja statystycznej kontroli procesu umożliwiła identyfikację najważniejszych problemów wpływających na przedłużanie czasu usuwania awarii oraz stały monitoring procesu usuwania awarii. Opracowanie opiera się na danych o awariach zbieranych w jednym z przedsiębiorstw produkcyjnych w okresie trzech lat.

20

Improving production of low pressure hoses

Sygut P., Krynke M.

Production Engineering Archives

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2017

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Vol. 17

33--36

EN

The paper presents the results of research carried out in one of the domestic companies producing rubber and plastics products for the automotive industry. The results of the evaluation of the quality control function during production of the low pressure hoses and the characteristics of the main machine taking part in this production process are presented. An analysis of the results of the evaluation of factors influencing the quality of production is presented and guidelines for improving this production process are presented. One of the proposed solutions for improvement is the modernization of the machine park and introduction of production nests.