Product Design & Process Selection-Manufacturing

Chapter 5 Product Design & Process Selection-Manufacturing

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],OBJECTIVES

Typical Phases of Product Design Development ,[object Object],[object Object],[object Object],[object Object]

Concurrent Engineering Defined ,[object Object]

Concurrent Engineering(Continued) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Designing for the Customer Ideal Customer Product Quality Function Deployment Value Analysis/ Value Engineering House of Quality

Designing for the Customer: Quality Function Deployment ,[object Object],[object Object],[object Object]

Designing for the Customer: The House of Quality ,[object Object],Customer requirements information forms the basis for this matrix, used to translate them into operating or engineering goals. Customer Requirements Importance to Cust. Easy to close Stays open on a hill Easy to open Doesn’t leak in rain No road noise Importance weighting Engineering Characteristics Energy needed to close door Check force on level ground Energy needed to open door Water resistance 10 6 6 9 2 3 7 5 3 3 2 X X X X X Correlation: Strong positive Positive Negative Strong negative X * Competitive evaluation X = Us A = Comp. A B = Comp. B (5 is best) 1 2 3 4 5 X AB X AB XAB A X B X A B Relationships: Strong = 9 Medium = 3 Small = 1 Target values Reduce energy level to 7.5 ft/lb Reduce force to 9 lb. Reduce energy to 7.5 ft/lb. Maintain current level Technical evaluation (5 is best) 5 4 3 2 1 B A X BA X B A X B X A BXA BA X Door seal resistance Accoust. Trans. Window Maintain current level Maintain current level

Designing for the Customer: Value Analysis/Value Engineering (VA/VE) ,[object Object],[object Object],[object Object],[object Object],[object Object]

Design for Manufacturability ,[object Object],[object Object],[object Object],[object Object]

Design for Manufacturing and Assembly ,[object Object],[object Object],[object Object],[object Object]

Types of Processes ,[object Object],[object Object],[object Object],[object Object]

Process Flow Structures ,[object Object],[object Object],[object Object],[object Object]

Exhibit 5.10 These are the major stages of product and process life cycles IV. Continuous Flow III. Assembly Line II. Batch I. Job Shop Low Volume, One of a Kind Multiple Products, Low Volume Few Major Products, Higher Volume High Volume, High Standard- ization Commercial Printer French Restaurant Heavy Equipment Automobile Assembly Burger King Sugar Refinery Flexibility (High) Unit Cost (High) Flexibility (Low) Unit Cost (Low)

Virtual Factory Defined ,[object Object]

Break-Even Analysis ,[object Object],[object Object],[object Object]

Break-Even Analysis (Continued) ,[object Object],Break-even Demand= Purchase cost of process or equipment Price per unit - Cost per unit or Total fixed costs of process or equipment Unit price to customer - Variable costs per unit

Break-Even Analysis (Continued) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Process Flow Design Defined ,[object Object],[object Object]

Example: Assembly Chart (Gozinto) From Exhibit 5.14 A-2 SA-2 4 5 6 7 Lockring Spacer, detent spring Rivets (2) Spring-detent A-5 Component/Assy Operation Inspection

Example: Process Flow Chart Material Received from Supplier Inspect Material for Defects Defects found? Return to Supplier for Credit Yes No , Continue…

Global Product Design and Manufacturing Strategies ,[object Object],[object Object]

Measuring Product Development Performance Measures ,[object Object],[object Object],[object Object],[object Object],[object Object],Time-to-market Productivity Quality ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Performance Dimension

Product Design & Process Selection-Manufacturing

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Editor's Notes