GMS 401 Lecture Notes - Lecture 6: Value Stream Mapping, Process Flow Diagram, Mixed Model
10 Oct 2017
School
Department
Course
Professor
Document Summary
Lo1: explain what is meant by the terms just in time (jit) and lean productions. Just-in-time (jit): production system in which processing and movement of parts/modules/work-in-process occur just as they are needed, usually in small batches. Lean production: jit in a broad sense, is a philosophy of waste reduction and continuous improvement. Supporting goal: elimination of disruptions: disruptions are caused by a variety of factors such as poor quality, equipment breakdowns, changes to the schedule. Customer demand, and late deliveries of parts/components: all these sources of variability should be eliminated. Supporting goal: elimination of waste: waste represents unproductive resources, eliminating waste can free up resources and enhance production. In the jit/lean system, waste include: overproduction, waiting, unnecessary transportation, over processing. Inefficient work methods/excess motions: producing defective products; crap and rework, underutilization of employee knowledge/skill. Supporting goal: continuous improvement: the continual work to improve the system. Lo3: describe those aspects of product design that are important for lean production.
