Advanced search options

Advanced Search Options 🞨

Browse by author name (“Author name starts with…”).

Find ETDs with:

in
/  
in
/  
in
/  
in

Written in Published in Earliest date Latest date

Sorted by

Results per page:

Sorted by: relevance · author · university · dateNew search

You searched for subject:(Pahl AND Beitz). Showing records 1 – 2 of 2 total matches.

Search Limiters

Last 2 Years | English Only

No search limiters apply to these results.

▼ Search Limiters


Georgia Tech

1. Limaye, Ameya Shankar. Design and Analysis of a Mask projection Micro Stereolithography System.

Degree: MS, Mechanical Engineering, 2004, Georgia Tech

Mask Projection Microstereolithography (MPSLA) is an additive manufacturing process capable for fabricating true three-dimensional microparts and hence, holds promise as a potential micro-fabrication process for micro-machine components. With only a few MPSLA systems developed and studied so far, the research in this field is inchoate and experimental in nature. The process of curing a micropart using an MPSLA system has not been analytically modeled and no literature on process planning for MPSLA is available. In order to employ the MPSLA technology for microfabrication, it is necessary to model its part building process and formulate a process planning method to cure dimensionally accurate microparts. As a part of this thesis, an MPSLA system is designed and assembled. The process of curing a single layer using this system is analytically modeled as the Layer cure model. The Layer cure model is formulated in two steps. First, the irradiance received by the resin surface is modeled as a function of the system parameters (Irradiance model). Then, the resin used in the system is characterized to experimentally determine its working curve. The Irradiance model and the resin characterization enable us to compute the dimensions of any layer cured using our MPSLA system in terms of the process parameters. The Layer cure model has been validated by curing test layers on our system. Finally, the Layer cure model has been inverted to formulate a process planning method to cure layers of the required dimensions. Using this process planning method, it is possible to cure layers within a dimensional error of 3%. Advisors/Committee Members: Dr. David W. Rosen (Committee Chair), Dr. Ali Adibi (Committee Member), Dr. Peter J. Hesketh (Committee Member).

Subjects/Keywords: Design; Polymerization; Stereolithography; Optical aberrations; Pahl and Beitz

Record DetailsSimilar RecordsGoogle PlusoneFacebookTwitterCiteULikeMendeleyreddit

APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Limaye, A. S. (2004). Design and Analysis of a Mask projection Micro Stereolithography System. (Masters Thesis). Georgia Tech. Retrieved from http://hdl.handle.net/1853/4943

Chicago Manual of Style (16th Edition):

Limaye, Ameya Shankar. “Design and Analysis of a Mask projection Micro Stereolithography System.” 2004. Masters Thesis, Georgia Tech. Accessed May 09, 2021. http://hdl.handle.net/1853/4943.

MLA Handbook (7th Edition):

Limaye, Ameya Shankar. “Design and Analysis of a Mask projection Micro Stereolithography System.” 2004. Web. 09 May 2021.

Vancouver:

Limaye AS. Design and Analysis of a Mask projection Micro Stereolithography System. [Internet] [Masters thesis]. Georgia Tech; 2004. [cited 2021 May 09]. Available from: http://hdl.handle.net/1853/4943.

Council of Science Editors:

Limaye AS. Design and Analysis of a Mask projection Micro Stereolithography System. [Masters Thesis]. Georgia Tech; 2004. Available from: http://hdl.handle.net/1853/4943

2. Holmes, Jonathan Frank. Designing a cost estimation method for the design of prototype systems.

Degree: MS, Mechanical Engineering, 2012, Georgia Tech

There are unique cases when designing products where a prototype is required to demonstrate critical operations of a system or subsystem such that it will serve as a basis for how the design will move forward. These prototypes are oftentimes on the critical design path. Due to the fact there is typically some aspect of a prototype that is not well understood there can be a considerable amount of uncertainty associated with the amount of resources needed to design such a prototype. The goal of this thesis is to address how to systematically reduce uncertainty for the purpose of creating a robust cost estimate. This statement does highlight the problem of defining what a robust estimate is, which results in addressing the key question driving this research: "When is enough information gathered to generate a robust estimate for the design of prototype systems?" The crux of the problem lies in how to characterize the interactions and uncertainty associated with cost, schedule, and performance. Additionally, the breakdown of a prototype system into its subsystems results in errors exist at each division. The result is a cost estimation method that has been generated by leveraging the principles of design methodology. Two test cases are applied including one theoretical model, and one project from the Georgia Tech Research Institute (GTRI). The GTRI project was work performed for the Georgia Department of Transportation related to the filling of cracks on asphalt road surfaces. These examples are evaluated from the view point of the Validation Square in order to verify the effectiveness beyond example problems. Advisors/Committee Members: Allen, Janet K. (Committee Chair), Mistree, Farrokh (Committee Co-Chair), Bras, Berdinas A. (Committee Member), Funk, Robert (Committee Member).

Subjects/Keywords: Cost Estimation; Design; Method; Methodology; Pahl; Beitz; Validation square; Prototypes, Engineering; Costs, Industrial Estimates

…logical framework. The estimation method leveraged the design process of Pahl and Beitz while… …manufacturing sectors. Some methods of importance are those discussed by Pahl and Beitz as well as… …method by Pahl and Beitz has been leveraged primarily for this work. The general prescriptive… …form of the method proposed by Pahl and Beitz is shown in Figure 1. 6 Figure 1: Steps of… …the Planning and Design Process from Pahl and Beitz [4] Pahl and Beitz describe a… 

Record DetailsSimilar RecordsGoogle PlusoneFacebookTwitterCiteULikeMendeleyreddit

APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Holmes, J. F. (2012). Designing a cost estimation method for the design of prototype systems. (Masters Thesis). Georgia Tech. Retrieved from http://hdl.handle.net/1853/43718

Chicago Manual of Style (16th Edition):

Holmes, Jonathan Frank. “Designing a cost estimation method for the design of prototype systems.” 2012. Masters Thesis, Georgia Tech. Accessed May 09, 2021. http://hdl.handle.net/1853/43718.

MLA Handbook (7th Edition):

Holmes, Jonathan Frank. “Designing a cost estimation method for the design of prototype systems.” 2012. Web. 09 May 2021.

Vancouver:

Holmes JF. Designing a cost estimation method for the design of prototype systems. [Internet] [Masters thesis]. Georgia Tech; 2012. [cited 2021 May 09]. Available from: http://hdl.handle.net/1853/43718.

Council of Science Editors:

Holmes JF. Designing a cost estimation method for the design of prototype systems. [Masters Thesis]. Georgia Tech; 2012. Available from: http://hdl.handle.net/1853/43718

.