Analysing the natural resting aspect of a component for automated assembly using the energy envelope method

1996 ◽  
Vol 12 (2) ◽  
pp. 132-136 ◽  
Author(s):  
B. K. A. Ngoi ◽  
L. E. N. Lim
Keyword(s):  
Automated Assembly ◽  
Envelope Method ◽  
Natural Resting Aspect

Analysing the Natural Resting Aspects of a Component for Automated Assembly

1995 ◽  
Vol 209 (2) ◽  
pp. 125-131 ◽  
Author(s):  
B K A Ngoi ◽  
L E N Lim ◽  
S S G Lee ◽  
S W Lye
Keyword(s):  
Cross Sections ◽  
Computer Aided Design ◽  
Energy Barrier ◽  
Three Dimensional ◽  
Rectangular Prism ◽  
Automatic Assembly ◽  
Automated Assembly ◽  
Barrier Method ◽  
Aided Design ◽  
Natural Resting Aspect

This paper proposes the construction of an energy envelope that can be used to advantage with the energy barrier method to analyse the natural resting aspect of engineering parts destined for automatic assembly. Unlike the energy barrier method, the energy envelope does not require any visualization of the projection of the energy barrier on the aspect of interest. The energy envelope is the three-dimensional topology of the changes in height of the centroid, as the part attempts changes of aspect. The paper describes how it may be computed in a CAD (computer aided design) solid modeller. The results of applying the energy envelope to prisms of square and cylindrical cross-sections are the same as those predicted by the energy barrier method. When extended to the analysis of a rectangular prism, the results were consistent with Boothroyd's dynamic solution and Boothroyd's experimental data. This conclusion is encouraging as there is no irrefutable evidence that the energy barrier method may be applied to the analysis of the rectangular prism.

An Automated Assembly Sequence Planing System for Mechanical Parts

1998 ◽  
Author(s):  
V. C. Sarvananthan ◽  
P. C. Pandey
Keyword(s):  
Matrix Method ◽  
Software System ◽  
Geometric Description ◽  
Assembly Sequence ◽  
Automated Assembly ◽  
Industrial Products ◽  
Mechanical Parts ◽  
Assembly Sequences ◽  
Envelope Method

Abstract This work provides a software system, which can automatically determine the assembly sequence of a product from its parts, given only a geometric description of the assembly. A simple closed envelope method for product geometry representation, and an efficient matrix method to represent contact and interference relations among the parts were successfully used in this work. The possible sub-assemblies are automatically detected by satisfying some mathematical conditions applicable to these matrices. Possible assembly sequences are generated for each sub-assembly and for the whole product. Furthermore, the algorithms are successfully examined with several industrial products.

Automated assembly—still in the primitive state?

1980 ◽  
Vol 59 (6) ◽  
pp. 37
Author(s):  
Gunter Wittenberg
Keyword(s):  
Automated Assembly ◽  
Primitive State

The Amphorae of the Kerameikos Cemetery at Athens from the Submycenaean to the Protogeometric Period

2020 ◽  
Author(s):  
Simona Dalsoglio
Keyword(s):  
High Quality ◽  
Aegean Prehistory ◽  
Envelope Method ◽  
High Quality Sample

The amphorae dating from the Submycenaean to the end of the Protogeometric period, brought to light in the Kerameikos cemetery, represent a high quality sample of Athenian output of the shape. The amphorae here researched are re-examined with the help of new drawings and by adopting the “envelope” method for their comparison. Undertaken with the assistance of the Institute for Aegean Prehistory.

scholarly journals Cognitively automated assembly processes: a simulation based evaluation of performance

Work ◽  
2012 ◽  
Vol 41 ◽  
pp. 3449-3454 ◽  
Author(s):  
Marcel Ph. Mayer ◽  
Barbara Odenthal ◽  
Marco Faber ◽  
Christopher M. Schlick
Keyword(s):  
Automated Assembly ◽  
Evaluation Of Performance ◽  
Simulation Based
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