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Article
Publication date: 17 July 2018

Wanli Song, Hongliang Li, Jintao Ma, Zhichao Hu and Pei Shi

This paper aims to develop a new magnetorheological polishing (MRP) device with roller and investigate the polishing mechanism of MRP fluids using this new device.

Abstract

Purpose

This paper aims to develop a new magnetorheological polishing (MRP) device with roller and investigate the polishing mechanism of MRP fluids using this new device.

Design/methodology/approach

The principle of MRP process with roller is discussed, and then the structure of the polishing device is designed in detail. The polishing experiments of K9 glass are carried out using MRP device with roller.

Findings

A series of tests are performed to evaluate the effect of the excitation gaps, working gap and polishing time on the polishing characteristics, and the optimized polishing parameters can be obtained. The surface roughness Ra of the sample is reduced from 359 to 38 nm under optimized polishing parameters.

Originality/value

MRP method with roller is proposed in this paper, and the MRP device with roller can reduce the surface roughness Ra significantly. After being polished, the circular ring-shaped polishing belt disappears on the workpiece surface, which means it has great potential for polishing.

Details

Industrial Lubrication and Tribology, vol. 70 no. 6
Type: Research Article
ISSN: 0036-8792

Keywords

Book part
Publication date: 17 July 2007

Maria Raquel Freire and Teresa Cierco

The fast-developing processes of globalization, with increased political and economic interdependence, along with competition; regionalization dynamics revealing more localized…

Abstract

The fast-developing processes of globalization, with increased political and economic interdependence, along with competition; regionalization dynamics revealing more localized ambitions and either constraining or advancing intentions and policies; and Europeanization as a particular dynamic related to the EU role as a global actor, applied to the Polish post-communist transition, constitute our vectors of analysis. This essay aims to address the simultaneously interconnected and heterogeneous responses of Polish post-communist course of change to global and regional processes, including European integration. In this line of research, we search for answers to how the linkages among globalization, regionalization, and Europeanization work in the case of Polish post-communist transition. This will be pursued through an analysis of the democratization course, mainly regarding political, institutional and social aspects, and economic integration. Despite elements of complementarity and resistance in the working relationships among the three concepts, which are highly debatable, we find they have substantial implications on Polish policy-making. These implications include adjustment and bargaining between demands and concessions, resulting in gains and losses, though despite the negative effects associated and acknowledged, the fact of Poland pursuing the course of integration in the EU reveals an equation of cost–benefit, in favor of the EU.

Details

Globalization: Perspectives from Central and Eastern Europe
Type: Book
ISBN: 978-0-7623-1457-7

Book part
Publication date: 13 December 2010

Magdalena Gross

This chapter examines the processes of rewriting nationhood in educational narratives regarding the Second World War (WWII) in Poland. Using mixed methods, this case study…

Abstract

This chapter examines the processes of rewriting nationhood in educational narratives regarding the Second World War (WWII) in Poland. Using mixed methods, this case study analyzes narrative change in state-approved history textbooks published between 1977 and 2008, thus covering the period of political transition from a communist to a democratic Poland. Although trends in learning theory and international norms suggest that attention to diversity should have increased in textbooks, in Poland these trends have been subsumed by more long-lasting Polish specific cultural tropes. WWII narratives, in particular, emphasize an ethnically homogeneous nation. Throughout the 31-year sample, educating youth about WWII in Poland continues to be focused on reclaiming “Polishness” rather than on espousing global understandings and citizenship.

Details

Post-Socialism is not Dead: (Re)Reading the Global in Comparative Education
Type: Book
ISBN: 978-0-85724-418-5

Keywords

Book part
Publication date: 8 November 2010

Narihiko Ito

In the second half of the 1980s, together with Perestroika in the Soviet Union, a process took place to end the Cold War as a confrontation between the United States of America…

Abstract

In the second half of the 1980s, together with Perestroika in the Soviet Union, a process took place to end the Cold War as a confrontation between the United States of America and the Soviet Union. At the same time, this process caused the collapse of the Soviet Union and socialist system and thereafter the separation and independence of the many nationalities that constituted the Soviet socialist system in the East and South Europe. However to our regret, such nationalities could not enjoy freedom by independence, but went to brutal wars between separated nationalities. Even after many local wars and brutalities we cannot yet find the final solution through peace and justice for peoples.

Details

The National Question and the Question of Crisis
Type: Book
ISBN: 978-0-85724-493-2

Article
Publication date: 12 December 2023

Changliu Tian, Yabo Wu, Minghua Pang and Zhankui Wang

This study aims to clarify the influence mechanism of polishing solution type on the glazing evolution of fixed abrasive pad under different interfacial pressure conditions.

50

Abstract

Purpose

This study aims to clarify the influence mechanism of polishing solution type on the glazing evolution of fixed abrasive pad under different interfacial pressure conditions.

Design/methodology/approach

The tribological experiments were carried out on the friction and wear machinery with W3-5 diamond fixed abrasive pad and quartz glass workpiece under three polishing solution types of five pressure conditions. The changes of surface morphology, porosity and hardness of fixed abrasive pad were detected by white light interferometer, optical microscope and shore hardness tester.

Findings

The results showed that the glazed phenomenon of fixed abrasive pad is occurred after a certain time, which is more obvious with the increasing of interfacial pressures. The polishing solution type has a significant effect on the glazing time, although the glazed phenomenon is inevitable. The mechanism of it is that the micro-convex peaks on the surface of the fixed abrasive pad are easily wear, and the pores are blocked by the accumulation of waste debris generated during the experiment process. Thus, a smooth and high-density hard layer is formed on the surface of the fixed abrasive pad which induces the decreasing of the friction coefficient and surface roughness value. For selected polishing solution types, the wear rate of micro-convex peaks is different due to the corrosion action difference with polishing pad surface.

Originality/value

The main contribution of this work is to provide a new investigating method for further understanding the glazing evolution mechanism of fixed abrasive pad.

Peer review

The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-08-2023-0257/

Details

Industrial Lubrication and Tribology, vol. 76 no. 1
Type: Research Article
ISSN: 0036-8792

Keywords

Book part
Publication date: 25 January 2021

Desalegn Abraha and Akmal S. Hyder

In this chapter, six cases are presented, four from Poland and two from Hungary. The Polish cases are Partec Rockwool, PLM, Bulten Tools, and Vattenfall, while Svedala and Getinge…

Abstract

In this chapter, six cases are presented, four from Poland and two from Hungary. The Polish cases are Partec Rockwool, PLM, Bulten Tools, and Vattenfall, while Svedala and Getinge belong to Hungary.

The cases have been described in different phases following the conceptual framework, developed in chapter six. All cases we present in three phases except Svedala where there are two phases. In the later case, neither the alliance nor the partners could be traced. Among the cases, level of performance varied. Getinge is the only case where the partners continued with the same alliance and the ownership structure remained unchanged. In Partec, the foreign partner acquired the local shares to establish a wholly owned subsidiary, and in Bulten Tool, the foreign partner became the major owner to have control over the company. Partec Rockwool and Vattenfall had been sold to other companies after amicable settlement between the partners.

Details

Transformation of Strategic Alliances in Emerging Markets, Volume II
Type: Book
ISBN: 978-1-80043-748-7

Article
Publication date: 10 August 2022

Izabella Parowicz

Early Polish press advertising (between 1850s and 1939) was characterized by a distinctive and today’s extinct combination of elements of persuasion and exceptional courtesy…

109

Abstract

Purpose

Early Polish press advertising (between 1850s and 1939) was characterized by a distinctive and today’s extinct combination of elements of persuasion and exceptional courtesy toward potential customers. The purpose of this paper is to show the place of customer psychology in the earliest Polish advertising textbooks in the context of the actions of Polish press advertisers at that time, convinced of the susceptibility of their recipients to courtesy, appreciation and flattery.

Design/methodology/approach

Historical method based on archival research in Polish digital libraries was used with the aim of identifying and analyzing primary sources, enriched by examples of advertisements from pre-1939 newspapers and historical periodicals illustrating the phenomenon in question and by the findings of more recent Polish-language research papers.

Findings

The issue of courtesy was, in fact, discussed by many authors of Polish advertising textbooks in the period under study. They viewed excessive courtesy in print advertising as an unmodern approach. However, empirical research from 1936 has been preserved which proves that a combination of persuasion and courtesy in advertising was perceived as most effective by its target groups.

Originality/value

This study introduces hitherto unknown Polish marketing thought and practice, drawing on the earliest, mostly forgotten Polish marketing textbooks and other primary sources from the years 1896 to 1939. Thus, this study contributes to the body of research on the history of advertising.

Details

Journal of Historical Research in Marketing, vol. 14 no. 4
Type: Research Article
ISSN: 1755-750X

Keywords

Article
Publication date: 2 November 2022

Xufeng Liang, Zhenhua Cai, Chunnian Zeng, Zixin Mu, Zifan Li, Fan Yang, Tingyang Chen, Shujuan Dong, Chunming Deng and Shaopeng Niu

The application of thermal barrier coatings (TBCs) allows aero-engine blades to operate at higher temperatures with higher efficiency. The preparation of the TBCs increases the…

Abstract

Purpose

The application of thermal barrier coatings (TBCs) allows aero-engine blades to operate at higher temperatures with higher efficiency. The preparation of the TBCs increases the surface roughness of the blade, which impacts the thermal cycle life and thermal insulation performance of the coating. To reduce the surface roughness of blades, particularly the blades with small size and complex curvature, this paper aims to propose a method for industrial robot polishing trajectory planning based on on-site measuring point cloud.

Design/methodology/approach

The authors propose an integrated robotic polishing trajectory planning method using point cloud processing technical. At first, the acquired point cloud is preprocessed, which includes filtering and plane segmentation algorithm, to extract the blade body point cloud. Then, the point cloud slicing algorithm and the intersection method are used to create a preliminary contact point set. Finally, the Douglas–Peucker algorithm and pose frame estimation are applied to extract the tool-tip positions and optimize the tool contact posture, respectively. The resultant trajectory is evaluated by simulation and experiment implementation.

Findings

The target points of trajectory are not evenly distributed on the blade surface but rather fluctuate with surface curvature. The simulated linear and orientation speeds of the robot end could be relatively steady over 98% of the total time within 20% reduction of the rest time. After polishing experiments, the coating roughness on the blade surface is reduced dramatically from Ra 7–8 µm to below Ra 1.0 µm. The removal of the TBCs is less than 100 mg, which is significantly less than the weight of the prepared coatings. The blade surface becomes smoothed to a mirror-like state.

Originality/value

The research on robotic polishing of aero-engine turbine blade TBCs is worthwhile. The real-time trajectory planning based on measuring point cloud can address the problem that there is no standard computer-aided drawing model and the geometry and size of the workpiece to be processed differ. The extraction and optimization of tool contact points based on point cloud features can enhance the smoothness of the robot movement, stability of the polishing speed and performance of the blade surface after polishing.

Details

Industrial Robot: the international journal of robotics research and application, vol. 50 no. 2
Type: Research Article
ISSN: 0143-991X

Keywords

Article
Publication date: 8 April 2024

Marta Mackiewicz and Marta Götz

This study is exploratory in nature and designed to address poorly documented issues in the literature. The dimensions of regional distribution or spatial organisation of Industry…

Abstract

Purpose

This study is exploratory in nature and designed to address poorly documented issues in the literature. The dimensions of regional distribution or spatial organisation of Industry 4.0 (I4.0), including the potential role of clusters, have only recently been addressed, with most available studies focusing on advanced, mainly Western European countries. Although developing fast, the literature on I4.0 in other countries, such as the Central and Eastern European or post-transition economies like Poland, needs to pay more attention to the spatial distribution or geographical and organisational aspects. In response to the identified knowledge gap, this paper aims to identify the role of clusters in the transformation towards I4.0. This explains why clusters may matter for advancing the fourth digital transformation, how advanced in implementing I4.0 solutions are the residents of Polish clusters and how they perceive the advantages of cluster membership for such implementation. Finally, it seeks to formulate policy recommendations based on the evidence gathered.

Design/methodology/approach

The methodology used in this study combines quantitative analysis of secondary data from a cluster benchmarking survey with a case study approach. The benchmarking survey, conducted by the polish agency for enterprise development in 2021, gathered responses from 435 cluster members and 41 cluster managers, representing an estimated 57% of the current clusters in Poland. In addition to quantitative analysis, a case study approach was used, incorporating primary sources such as interview with cluster managers and surveys of cluster members, as well as secondary sources like company documents and information from cluster organisation websites. Statistical analysis involved assessing the relationship between technology implementation and the adoption of management systems, as well as exploring potential correlations between technology use and company characteristics such as revenue, export revenue share and number of employees using Pearson correlation coefficient.

Findings

In Poland, implementing I4.0 technologies by cluster companies is still modest. The cluster has influenced the use of I4.0 technologies in 23% of surveyed companies. Every second surveyed company declared a positive impact of a cluster on technological advancement. The use of I4.0 technologies is not correlated with the revenue of clustered companies. A rather bleak picture emerges from the results, revealing a need for more interest among cluster members in advancing I4.0 technologies. This may be due to a comfortable situation in which firms still enjoy alternative competitive advantages that do not force them to seek new advanced advantages brought about by I4.0. It also reflects the sober approach and awareness of associated high costs and necessary investments, which are paramount and prevent successful I4.0 implementation.

Research limitations/implications

The limitations inherent in this study reflect the scarcity of the available data. This paper draws on the elementary survey administered centrally and is confined by the type of questions asked. The empirical section focuses on an important, though only one selected sector of the economy – the automotive industry. Nevertheless, the diagnosis of the Polish cluster’s role in advancing I4.0 should complement the existing literature.

Practical implications

The exploratory study concludes with policy recommendations and sets the stage for more detailed studies. Amidst the research’s limitations, this study pioneers a path for future comprehensive investigations, enabling a deeper understanding of Polish clusters’ maturity in I4.0 adoption. By comparing the authors’ analysis of the Polish Automotive Group (PGM) cluster with existing literature, the authors uncover a distinct disparity between the theoretical prominence of cluster catalysis and the current Polish reality. Future detailed dedicated enquiries will address these constraints and provide a more comprehensive map of Polish clusters’ I4.0 maturity.

Originality/value

This study identifies patterns of I4.0 implementation and diagnoses the role of clusters in the transformation towards I4.0. It investigates how advanced is the adoption of I4.0 solutions among the residents of Polish clusters and how they perceive the advantages of cluster membership for such transformation. Special attention was paid to the analysis of the automotive sector. Comparing the conclusions drawn from the analysis of the Polish PGM cluster in this case study to those from the literature on the subject, it becomes clear that the catalytic role of clusters in the implementation of I4.0 technologies by enterprises, as emphasised in the literature, is not yet fully reflected in the Polish reality.

Details

Digital Policy, Regulation and Governance, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2398-5038

Keywords

Article
Publication date: 27 January 2012

Terrence H. Witkowski

This article seeks to bring two hitherto neglected Polish language texts on selling and salesmanship to the attention of marketing historians. In contrast to Bartels' seminal…

Abstract

Purpose

This article seeks to bring two hitherto neglected Polish language texts on selling and salesmanship to the attention of marketing historians. In contrast to Bartels' seminal work, this research aims to show that early marketing writing was not just in the English language and that early marketing thought was disseminated via instruction outside institutions of higher education. The research also intends to explore how marketing education served to acculturate one group of immigrants to American business norms.

Design/methodology/approach

The primary sources are Sprzedawca czyli: Sztuka Prowadzenia Handlu Podług Systemów Amerykańskich (Salesman: The Art of Commerce According to American Norms) by Józef Mierzyński and Sprzedawnictwo Sklepowe (Store Salesmanship), third edition, by Bolesław Z. Urbanski. Both were published in Chicago. Their tables of contents were translated and compared to selected English language texts on selling and salesmanship written about the same time. Additional information on the authors, publishers, and potential audience was also gathered to give context to these texts.

Findings

These Polish language books contained much of the same information as the English language literature on sales from the period, but with more information on personal comportment and more illustrative material. These books provide evidence of sophisticated business thinking among some Polish immigrants. Commercial correspondence courses and self‐instruction brought early marketing thought to this market and thus helped Poles enter the American economic mainstream.

Originality/value

The article shows that these are the first books on selling and salesmanship – or on any other marketing topic – known to be written in the USA prior to 1920 in a language other than English. They are worthy of close scrutiny because they reveal a new dimension to the early creation and dissemination of marketing thought.

Details

Journal of Historical Research in Marketing, vol. 4 no. 1
Type: Research Article
ISSN: 1755-750X

Keywords

1 – 10 of over 15000