MAN 4504 Lecture Notes - Lecture 14: Version Control, Statistical Process Control, Customer Satisfaction
Document Summary
> better quality means less inventory & better, easier-to-employ. Pull system of production scheduling including supply management. > inventory costs money & hides process & material problems. Engineering & experimental design methods to improve product & process design. > identify key component and process variables affecting product variation. Ability to produce products uniformly in adverse manufacturing & environmental conditions. > small variations in materials & process do not destroy product quality. Shows that costs increase as the product moves away from what the customer wants. Costs include customer dissatisfaction warranty & service, internal scrap & repair, and costs to society. Uses statistics and control charts to tell when to take corrective action. Four key steps: measure the process, when a change is indicated, find the assignable cause, eliminate or incorporate the cause, restart the revised process. Involves examining items to see if an time is good or defective. > does not correct deficiencies in process or product.