University:
Georgia Southern University
Course:
MENG 2110 | ME Case Studies
Academic year:

2024
Views:

220

Pages:

15
Author:

Jalen W.

MENG 2110 Class 2 Intro to specification definition The purpose of engineering is to design QUALITY products, but …. What is QUALITY ? Any ideas from the class? The CUSTOMER(s) decides if a product is of QUALITY Kano model (1980’s) : the way of creating quality products is by increasing customer satisfaction; it is done by “implementing features” in the product. There are three types of product features: Who is a “customer” in design? Anyone/any organization that has a requirement for the product (and not just the consumer… most “customers do not buy or use the product, but they are involved in their manufacturing, selling, control, regulation, etc.). It is critical for specification definition that the designers identify ALL the customers Examples: the consumer… but also…ANY IDEAS? The most popular and complete method to compile customer requirements and from them to produce the engineering specifications (eng. specs) for the product to be designed is the “House of Quality” of the Quality Function Deployment (QFD) method; it is a set of interrelated tables that designers MUST develop: How QFD “maps” to the Specification Definition sequence “House of Quality” of the Quality Function Deployment (QFD) . Example of real one …. Note: QFD must be developed BEFORE the product is produced, even before the concept for the product exists; It is NOT an afterproduct thing, because the info from it is NEEDED to design the product. Example of QFD development: bicycle suspension Step 1: The customers Step 2: the customer requirements Step 3: the importance of each cust.req. for each customer Step 4: the “benchmarking”, and how each competing products “answers” each customer requirement Steps 5 & 6: the Engineering Specifications (at least one strong test to measure each customer requirement), with units, and with directions of improvement Step 7: the targets (values, or intervals) Step 8: the correlations between Eng.specs

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