Environmental and assembly analysis using LCA, DFMA and FEA on cordless screwdriver

2021 ◽  
Author(s):  
M. S. M. Effendi ◽  
Z. Shayfull ◽  
H. Radhwan ◽  
Noor Hasmiza Harun ◽  
Shafeeq Ahmad Shamim Ahmad ◽  
...  
Keyword(s):  
Assembly Analysis

Assembly Representation Within a Product Data Framework

1993 ◽  
Author(s):  
Brian W. Henson ◽  
James E. Baxter ◽  
Neal P. Juster
Keyword(s):  
Data Model ◽  
Tolerance Analysis ◽  
Design For Assembly ◽  
Product Data ◽  
Analysis And Design ◽  
Functional Relationships ◽  
Data Framework ◽  
The University ◽  
Design And Manufacture ◽  
Assembly Analysis

Abstract Recent research at the University of Leeds demonstrated how a product data model can integrate the information required and used during product design and manufacture. The product data framework developed during this research structured assemblies as lists of parts and did not consider information about the relationships between components necessary to support applications such as tolerance analysis and design for assembly. This paper describes how we intend to combine research in assembly representation, functional modeling and data modeling to describe the geometric and functional relationships between components of assemblies. Focus is provided by considering both the design process and the information requirements of a design for assembly analysis.

Compliant assembly analysis including initial deviations and geometric nonlinearity, part II: Plate structure

2018 ◽  
Vol 233 (11) ◽  
pp. 3717-3732 ◽  
Author(s):  
Tao Liu ◽  
Zhi-min Li ◽  
Sun Jin ◽  
Wei Chen
Keyword(s):  
Geometric Nonlinearity ◽  
Mindlin Plate ◽  
Variation Analysis ◽  
Governing Equations ◽  
Plate Structures ◽  
Orthotropic Composite ◽  
Compliant Assembly ◽  
Variation Propagation ◽  
Springback Prediction ◽  
Assembly Analysis

Part I of this paper (Liu et al., “Compliant assembly analysis including initial deviations and geometric nonlinearity, part I: Beam structure”) has studied the variation propagation of beam structures with consideration of initial deviations and geometric nonlinearity. In practices, plate structures are more commonly used in manufacturing fields, and the attempt of this paper is to expand previous methodology for the assembly process of orthotropic composite plate structures. Similarly, initial deviations and von Kármán-type geometric nonlinearity are introduced into variation analysis model, with Mindlin plate theory accounting for shear effect. The analyzed plates are set as orthotropic composite materials, which also preserve the compatibility with isotropic metal materials. Governing equations and corresponding finite element expressions can be obtained by applying the principle of virtual work. Also, a linearized model or noninitial model can be regarded as a degradation of origin governing equations. A variation analysis approach for plate structures is proposed to make more refined assembly variation predictions with consideration of initial deviations, fixture errors, and matching deviations. The verification of the developed method is implemented with case studies on springback prediction of two composite plates assembly.

scholarly journals Prototyping and design for assembly analysis using multimodal virtual environments

1997 ◽  
Vol 29 (8) ◽  
pp. 585-597 ◽  
Author(s):  
Rakesh Gupta ◽  
Daniel Whitney ◽  
David Zeltzer
Keyword(s):  
Virtual Environments ◽  
Design For Assembly ◽  
Assembly Analysis

scholarly journals De Novo Sequencing and Assembly Analysis of the Pseudostellaria heterophylla Transcriptome

PLoS ONE ◽  
2016 ◽  
Vol 11 (10) ◽  
pp. e0164235 ◽  
Author(s):  
Jun Li ◽  
Wei Zhen ◽  
Dengkai Long ◽  
Ling Ding ◽  
Anhui Gong ◽  
...  
Keyword(s):  
De Novo ◽  
De Novo Sequencing ◽  
Pseudostellaria Heterophylla ◽  
Assembly Analysis

scholarly journals Assembly, analysis and architecture of atypical ubiquitin chains

2013 ◽  
Vol 20 (5) ◽  
pp. 555-565 ◽  
Author(s):  
Manuela K Hospenthal ◽  
Stefan M V Freund ◽  
David Komander
Keyword(s):  
Assembly Analysis

ISO 10303-Based PCB Assembly Data Model for Assembly Analysis

1999 ◽  
Vol 7 (2) ◽  
pp. 159-176 ◽  
Author(s):  
Thu-Hua Liu ◽  
Amy J. C. Trappey ◽  
Jen-Bin Shyu
Keyword(s):  
Data Model ◽  
Pcb Assembly ◽  
Iso 10303 ◽  
Assembly Analysis
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