Online from: 1980
Subject Area: Mechanical & Materials Engineering
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|Title:||The role of key characteristics in the design of mechanical assemblies|
|Author(s):||Daniel E. Whitney, (MIT, Cambridge, Massachusetts, USA)|
|Citation:||Daniel E. Whitney, (2006) "The role of key characteristics in the design of mechanical assemblies", Assembly Automation, Vol. 26 Iss: 4, pp.315 - 322|
|Keywords:||Automotive industry, Control, Design for assembly, Production methods|
|Article type:||Research paper|
|DOI:||10.1108/01445150610705236 (Permanent URL)|
|Publisher:||Emerald Group Publishing Limited|
Purpose – Products are complex and are comprised of many parts from many sources, designed at different times by different people and companies. The same holds true for the tooling and fixtures used to make and assemble them. There is little research and practice on how to design assemblies that deal with such problems. The purpose of this paper is to describe a technique aimed at this goal.
Design/methodology/approach – The technique is built up from a number of concepts. The paper defines the intent of the design, identifies key assembly-level dimensions called key characteristics (KCs) that embody the intent, designs an architecture for the assembly that will deliver each key dimension within some stated tolerance, and conveys the intent and architecture in the form of a diagram called a datum flow chain (DFC).
Findings – The design and achievement of KCs is a joint responsibility of engineering and manufacturing.
Originality/value – The DFC method provides people with a vocabulary and a simple diagramming technique by which they can document the design intent, debate the merits of different designs, and anticipate where assembly problems will occur.
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