[Psychology] Mechanical Assemblies Phần pot

... Handbook for Mechanical Engineers, 7th ed., New York: McGraw-Hill, 1967. [Dunne] Dunne, B. J., "Precision Torque Control for Threaded Part Assembly," M.S. thesis, MIT Mechanical ... withdrawal force. 1. Avoid sharp discontinuities in force versus insertion depth. 2. Minimize mechanical work during insertion. 3. Minimize the peak value attained by the...

Ngày tải lên: 07/08/2014, 04:21

... receive assemblies when they need them. Several general guidelines are also offered: • Avoid connections, or make them short and direct. Items like pipes that join different parts or assemblies could ... some assemblies. The lost time is costly over and above the possible cost of scrapped parts because the resources, which must be paid for continuously, do n...

Ngày tải lên: 07/08/2014, 04:21

... and partially assembled items Presenting parts or subassemblies to the assembly workstations Mating parts or subassemblies to other assemblies Inspecting to confirm correct assembly Testing ... be obtained. Library of Congress Cataloging-in-Publication Data Whitney, Daniel E. Mechanical assemblies: their design, manufacture, and role in product development/by Dan...

Ngày tải lên: 07/08/2014, 04:20

... over- constraint of a given part in the assembly. 4.C.4. Kinematic Assemblies 46 3 MATHEMATICAL AND FEATURE MODELS OF ASSEMBLIES In a connective assembly model, the user joins parts ... objects. In some CAD systems, assemblies are built up the same way. The result is that the CAD model cannot distinguish parts and their subparts from assemblies. 3.E.3....

Ngày tải lên: 07/08/2014, 04:21

... topics: • A brief history of efforts to reduce and characterize variation in mechanical parts and assemblies • Description of geometric dimensioning and toleranc- ing • Statistical ... "A Survey of Research in the Application of Tolerance Analy- sis to the Design of Mechanical Assemblies, " Research in Engineering Design, vol. 3, pp. 23-37, 19...

Ngày tải lên: 07/08/2014, 04:21

... Flow Chain Method to Support the Top-Down Design Process for Mechanical Assemblies, " S.M. Thesis, MIT Department of Mechanical Engineering, June 2001. 6.1. PROBLEMS AND THOUGHT ... H., Loosli, B. G., and Hauglund, L. F., "Least Cost Tolerance Allocation for Mechanical Assemblies with Automated Process Selection," Manufacturing Review, vol. 3,...

Ngày tải lên: 07/08/2014, 04:21

... 2 ASSEMBLIES EXAMPLE To clarify our approach to designing assemblies, we need to distinguish between two kinds of assemblies, which we call Type 1 and Type 2. Type 1 assemblies ... assembly, even though they assemble the same parts. Type 1 assemblies may thus be called part-driven, while Type 2 assemblies are called assembly process- driven. 8.G. KC...

Ngày tải lên: 07/08/2014, 04:21

... casing after the insertion of drill subassemblies. Plastic casing used to house the drill subassemblies. Houses the rotor and connected to electromechanical controller and switch. Variable-speed ... The ratio of arcs to nodes (see Chapter 7) is higher than is typical for assemblies. Black arcs represent mechanical joints while gray arcs represent wiring connectio...

Ngày tải lên: 07/08/2014, 04:21

... produce the assemblies at the re- quired rate. Even after chunking the operations into approximately equal time clusters, there still may not be enough time to make all the needed assemblies ... of idle labor and idle parts or assemblies. The cost of production at any stage in the supply chain is mostly the cost of parts and assemblies purchased from t...

Ngày tải lên: 07/08/2014, 04:21

... equipment 440 441 Structure 15 35 in planning assembly 254 Structured bill of materials (BOM) 36 Subassemblies 1 214 317 322 327 329 342 350 356 of automobile body 352 containing only contacts 244 contrasted ... 393 Product structure 390 Product sub-functions 342 Pro-forma cash flow analysis 501 Properly constrained assemblies 211 Pull process 11 Pull system 444 445 Pump impeller 197 DFC ex...

Ngày tải lên: 07/08/2014, 04:21