21st Century Manufacturing Episode 12 ppt

... plane Pull-out Cavity CHAPTER PLASTIC-PRODUCTS MANUFACTURING AND FINAL ASSEMBLY 8.1 INTRODUCTION University students arrive on campus wearing in-line skates, listening to a Walkman, and sipping designer water from a plastic bottle. The manufacturing ... ~>. Runner Sprue gate Gate 344 Plastic-Products Manufacturing and Final Assembly Chap. 8 Holes produced by core rods (h) • •• , . o...

Ngày tải lên: 13/08/2014, 05:20

... Economist, 26 June. Taniguchi,N.1994. Precision in manufacturing. Precision Engineering 16 (1): 5 -12. Tanzer,A. Warehouses that fly. Forbes October 18, 120 -124 . Taylor, F.W. 1911. Principles of scientific ... aspect of 21st century manufacturing. The reader is first invited to study Taniguchi's Table 10.1 grouped under the headings of (m) mechanical, (e) electrical, and (0) o...

Ngày tải lên: 21/07/2014, 17:20

... ASPECTS OF MANUFACTURING 10.1 RESTATEMENT OF GOALS AND CONTEXT The goals of this book are to: • Illustrate general principles of manufacturing (Chapters 1and 2). •Review some of the main manufacturing ... bidirectional communications between design and manufacturing: • Concurrent engineering (Chapter 3) •Rapid prototyping (Chapter 4) • Computer integrated manufacturing (Chapters 5 t...

Ngày tải lên: 21/07/2014, 17:20

... of this chapter, CAD/CAM-related URLs are given in Section 8 .12. 8.8.2 Databases and Expert Systems In addition to the FEA methods in manufacturing, expert systems (Barr and Feigen- baum, 1981) ... environment with: • Physically accurate finite element analyses (PEA) and visualizations of the manufacturing process • Access to process planning modules that allow detailed cost estimates Fo...

Ngày tải lên: 21/07/2014, 17:20

... overRemove locating pin 344 Plastic-Products Manufacturing and Final Assembly Chap. 8 Holes produced by core rods (h) • •• , . o @ @. F1Jure & ;12 Cantilever snap-fit assembly made possible ... an 'Ullden:ui. Cavity direction Und:n::Ul Molding Parting plane Pull-out Cavity 8.7 The Computer as a Commodity: Design for Assembly and Manufacturing 349 boards. It is assembled into the...

Ngày tải lên: 21/07/2014, 17:20

... important today, since the trend in manufacturing is toward production in small batch sizes (Miller, 1985). Batch production represents 50% to 75% of all manufacturing, with 85% of the batches ... I I i F1gare 7.21 Optimal cutting speeds for minimized cost and time. VoptQ) Vop t(2) 312 Metal-Products Manufacturing Chap. 7 as the limit of stretching for the material. This test measures...

Ngày tải lên: 21/07/2014, 17:20

... sections focus on small-batch manufacturing operations that generate a small number ofparts, or even one-of-a-kind dies. In other sectors of industry,large- batch manufacturing is more the normal ... forms- turning, milling, drilling, and the like-can also be seen as a large-scale manufacturing process. It supports mass-production manufacturing such as the auto and steel indus- tries,...

Ngày tải lên: 21/07/2014, 17:20

... left, the first pattern on the mask plate is erased and the next pattern is applied. 4.2 .12 Shape Deposition Manufacturing 150M) In some of the two processes described earlier, for example, 3~Dprinting ... (0.003 inch) • Selective laser sintering: +1- 75 to 125 microns (+1- 0.003 to 0.005 inch)- depends on part geometry • Stereolithography: + 1- 25 to 125 microns (+ 1- 0.001 to 0.005 in...

Ngày tải lên: 21/07/2014, 17:20

... advantages of DSG: the design is usually easier to manufacture (Kim et al., 1999). 3 .12 MANAGEMENT OF TECHNOLOGY 3 .12. 1 History of Design Environments Which CAD system should be used by a particular ... a way of carrying out feature-based design for the particular case of machining features. Other manufacturing processes would call for a feature-based design environment using, say,extru...

Ngày tải lên: 21/07/2014, 17:20

... Ubject oriented software for manufacturing systems. London: Chapman & Hall. Agile Manufacturing Enterprise Forum. November 1991. An industry led view of 21st century manufacturing enterprise ... process planning for manufacturing. Reading, MA: Addison-Wesley. Cook, N. H. 1966. Manufacturing economics. In manufacturing analysis, 148-159, Reading, MA: Addison Wesley. 54 Manu...

Ngày tải lên: 21/07/2014, 17:20