TAILIEUCHUNG - Manufacturing Handbook of Best Practices 2011 Part 11

Tham khảo tài liệu 'manufacturing handbook of best practices 2011 part 11', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 11 Quality Function Deployment QFD Charles A. Cox INTRODUCTION QFD is a way to capture organize and deploy the voice of the customer both the external and internal customers of the organization. QFD has often been associated with product development activities but has manufacturing applications as well. The QFD concepts and tools are useful to people involved in manufacturing in its long-run and short-run applications. In a long-run situation when a new product is designed QFD requires that the organization s customers including an important internal customer manufacturing have input into the design process. The customers choices and priorities are then converted to technical statements and quantified which aids the design process. Once the product has been designed the QFD process is extended to help design the manufacturing process as well. More recently through integrated process and product design IPPD both the product and the process that will be used for producing it are developed in tandem. This results in a much shorter concept-to-cash cycle that uses fewer resources for the design and launch. This approach allows greater flexibility and responsiveness to the market. In the short run the use of QFD helps the manufacturing team do a superior job of characterizing the process especially in understanding the linkages between different segments of the process. An important QFD tool the matrix when applied as a simple cause-and-effect matrix see Figure shows the process s input-output relationships with the varying strengths between the different inputs and outputs. This structure takes a process map and makes it come alive for ongoing control efforts and further improvement efforts. The figure shows the relationships between ten different inputs in five steps of a plastics molding process to the three key outputs of dimensional stability uniform density and smooth finish. Equipped with a process map and the information in a cause-and-effect matrix .

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