Study on Productivity Improvement and Quality Control at a Smart Card Company Based on Six Sigma

  • Yue WuEmail author
  • Chao Xu
  • Chen-xi Li
  • Yi-jing Wan
Conference paper


The development of smart card is stepping into the era of high-speed as the improvement of producing techniques becomes more mature. The application of smart cards is widely used in multiple fields such as transportation, telecommunication, medical treatment, financials, etc. A study regarding six sigma was conducted at a smart card company which was undergoing downturn times due to the bottleneck process on assembly line and the market competition pressure. A very important methodology of Six Sigma, DMAIC, was used to improve the productivity without adding any unvalued equipment or additional labor, at the same time ensure the standard quality of smart cards to satisfy customers. This study finally presented the ideal improvement plan and put it into practical application, which brought the desirable achievements and considerable benefits to the company.


Bottleneck process DMAIC DOE Hypothesis testing Smart card Six Sigma management 



This work is supported by the natural science foundation of China (51875451).


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.School of Mechanical EngineeringXi’an University of Science and TechnologyXi’anChina
  2. 2.School of Architecture and Civil EngineeringXi’an University of Science and TechnologyXi’anChina
  3. 3.Department of Mechanical and Manufacturing EngineeringSt. Cloud State UniversitySt. CloudUSA

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