Implementation of hybrid parallel kanban-CONWIP system: A case study

Prakash, Joshua; Feng, Chin Jeng

doi:10.1080/23311916.2014.938922

Cited by 5 publications

(8 citation statements)

References 16 publications

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“…Prachař et al (2014) Describes the implementation process of kanban at a manufacturing company, highlighting the problems related to human factors and how the company overcome them. Prakash et al (2014) Shows how a hybrid kanban-CONWIP was implemented into a supplier of a well-known aircraft, emphasizing the importance of employees training. Crop et al (2015) Describes the cultural changes necessary for CONWIP implementation in a hospital, specially overcoming concern about underutilization of resources.…”

Section: Papermentioning

confidence: 99%

“…In order to mitigate this risk, it is interesting to implement a card-based system during a low demand period, when eventual failures can be correct without affecting service level. This was done in the case presented by Prakash et al (2014), but not in the LCS, since kanban was implemented in a period in which production supervisors were focused on delivering higher production volume. Therefore, the first difficulties faced during the implementation discouraged employees to implement kanban.…”

Section: Implementation During Low Demand Periodmentioning

confidence: 99%

“…Another way to gain confidence in the system is through computational (Slomp et al, 2009) or physical (Prakash et al, 2014) simulation. Therefore, employees and managers could literally see how it would work, mitigating many of their doubts.…”

Section: Computer and Physical Simulationmentioning

confidence: 99%

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Critical soft factors for card-based production systems implementation: A multi-method study

Bagni

Filho

Tortorella

et al. 2021

BJO&PM

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Goal: Although card-based systems are a mature topic in literature, studies have focused mainly on how to optimize parameter of each system. The influential of human factors in the implementation of those systems have rarely been evaluated. Therefore, this study aims to understand what are the critical soft factors for a successful card-based systems implementation.Design / Methodology / Approach: A multi-method study is used in this research, combining systematic literature review, longitudinal case study, content analysis, interviews with experts and validations with two different groups. Results:The paper proposes a list of 15 soft factors critical to a successful implementation of cardbased systems categorized in a "house framework" according to the level of analysis each factor is included. Limitations of the investigation:A single case study, although longitudinal, was conducted to proposed the list of factors. Therefore, further studies should be conducted to adapt the list to other organizations and contexts. Practical implications:Following the proposed list of factors, managers can increase the success in implementing a card-based system in their organizations.Originality / Value: This study combines different research methods in a unique way, since in the researchers' view, an individual method was not sufficient to answer the proposed research question. Moreover, the case study reported a failure implementation of a card-based system, a rare addition to literature which mainly presented success cases.

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Section: Papermentioning

confidence: 99%

Section: Implementation During Low Demand Periodmentioning

confidence: 99%

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Critical soft factors for card-based production systems implementation: A multi-method study

Bagni

Filho

Tortorella

et al. 2021

BJO&PM

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“…Although many practical cases prove that CONWIP systems are effective, only Prakash and Chin (2014) have investigated the implementation of a modified Kanban and hybrid system. This case study proves that pull systems can be successfully implemented in production environments that do not conform to the typical prerequisites of the Kanban system.…”

Section: Theoretical Backgroundmentioning

confidence: 99%

“…Literature on CONWIP system modeling and simulation is rich and can be used to build and enhance theoretical understanding. Nevertheless, literature on the real applications of hybrid CONWIP/Kanban by case study is limited (Framinan et al , 2003; Prakash and Chin, 2014).…”

Section: Introductionmentioning

confidence: 99%

Implementation of hybrid Kanban-CONWIP system: a case study

Leonardo

Sereno

Silva

et al. 2017

JMTM

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Purpose Shop floor control systems are generally major points of discussion in production planning and control literature. The purpose of this paper is to investigate how lean production control principles can be used in a make-to-order (MTO) job shop, where the volume is typically low and there is high variety. This paper examines the procedures involved in implementing a constant work-in-process (CONWIP)/Kanban hybrid system in the shop floor environment and also provides insights and guidelines on the implementation of a hybrid system in a high-variety/low-volume environment. Design/methodology/approach The authors review literature on Kanban, CONWIP, and CONWIP/Kanban hybrid systems to analyze how lean production control principles can be used in a MTO job shop. The second part focuses on the process of implementation. Using a case study of a manufacturer of electromechanical components for valve monitoring and controls, the paper describes how the operation is transformed by for more efficient shop floor control systems. Real experiments are used to compare pre- and post-improvement performance. Findings The study shows that the proposed hybrid Kanban-CONWIP system reduced the cycle time and achieved an increase of 38 percent in inventory turnover. The empirical results from this pilot study provide useful managerial insights for a benchmarking analysis of the actions to be taken into consideration by companies that have similar manufacturing systems. Research limitations/implications The statistic generalization of the results is impossible due to the use of a single case method of study. Originality/value This paper provides insights and guidelines on the implementation of a hybrid system in a high-variety/low-volume environment. The literature on real applications of hybrid CONWIP/Kanban by case study is limited.

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