| dc.description.abstract | Engineering change is the unavoidable activity when product during the mass production cycle. The purpose of EC is when change to the part (BOM) made of the product that has officially entered mass production. The change includes the material, characteristics, Vender change, raw materials, dimensions, manufacturing processes, packaging, design, etc. can all be called engineering changes.
We all know the importance of engineering changes, not all companies have complete processes to control and manage. It is very important that an effective management method manages, monitors and even analyzes the reliability test of all engineering changes. There is no proper management system in the company to monitor, resulting in opaque processes. Any quality problems can only be handled passively, and prolonged project signing time leads to important changes that cannot be imported immediately. This will seriously affect product reliability and customer perception.
The purpose of this thesis is to use the DMAIC method to take Taiwan Z company as a case to discuss the design of the quality change department ’s reliability test plan for the hardware engineering change and the systematic management. Test plan management method to ensure that all issues have a complete improvement loop and analyze and improve the review process through a variety of methods to refine the six standard deviations, develop improvement countermeasures and compare and prove through the system signing time the result.
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