Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 13 of 13 for “"DFMA"”.
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An Experimental Method to Calculate Coefficient of Friction in Mecanum Wheel Rollers and Cost Analysis Using DFMA Techniques
<p>Mecanum wheel is a special kind of omni-directional wheel which is designed for robot vehicles. The purpose of this thesis is to work on geometry and working of Mecanum wheel rollers and to conduct experiments on these rollers to find its values of coefficient of friction in different …
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Design for manufacturing analysis on the Small Unmanned Ground Vehicle
… a Design for Manufacturability and Assembly (DFMA) analysis to simplify components, reduce assembly steps, and improve processes. This paper describes the benefits of DFMA and the tools and techniques used in conducting this analysis. By studying mechanical assemblies, reviewing design …
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From Prototype to Production: Scaling an On-Farm Milk Analyzing Device to Low Volume Production Using Design for Manufacturability and Assembly
… on design for manufacturability and assembly (DFMA), so that low volume production of the device can commence. The product development and DFMA process is detailed, and the manufacturing and assembly methods of low volume electronic device production explored. Additionally, an add-on product to …
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The Impact of Process Replacement on Sheet Metal Product Design: The Use of Steel Extrusions Versus Formed Sheet Metal
… market. Design for Manufacturability & Assembly (DFMA) has emerged as a strategy to simplify product designs, thereby improving manufacturing eOiciency and reducing production costs. This research suggests the use of extruded steel profiles as an alternative to traditional sheet metal components …
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Developing an Integrated Design Support Framework to Enable Mass-Customisation in Multi-Storey Timber Building Projects
… provided by Design for Manufacture and Assemble (DfMA), at the early design stages can enable the mass-customisability of the final building product. Implementing such generic DfMA rules is challenging, particularly due to the mathematical complexity of the building design problem. To successfully …
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The Design for Manufacturing and Assembly Analysis and Redesign of an Aircraft Refueling Door Hinge Utilizing Additive Manufacturing
… analyzed following an established process called DFMA. The hinge was then redesigned to be additively manufactured, which is uncommon currently in industry for load bearing components. It was shown that the Design for Manufacturing (DFM) guidelines were inadequate when applied to the new …
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The Impact of Process Substitution on Manufacturing Costs: A Comparative Analysis of Sheet Metal Forming versus Extruded Steel Cutting
… Design for Manufacturability & Assembly (DFMA) principles. Specifically, it evaluates substituting conventional sheet metal components with extruded steel profiles and replacing manual press brake operations with automated tube laser cutting. The findings show that tube laser adoption …
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Design and Manufacturing of the Filament Collection and Diameter Measurement Systems of Fiber Extrusion Device for Educational Purposes
… and design for manufacturing and assembly (DFMA) to design a low-cost version of FrED. In the project, FrED was divided into six sub-systems, and this thesis goes into details of the design and manufacturing of the filament collection and diameter measurement systems. Through five iterations …
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Design and Manufacturing of Educational Fiber Extrusion Device and Smart Factory
… and the design for manufacturing and assembly (DfMA) process. An on-campus production and assembly facility, the FrED Factory, was made to mass produce FrEDs. The facility duals as a space for MIT students to learn about design and manufacturing. The FrED factory is undergoing digital …
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Improving design and manufacturing performance through advanced visualization
… cases are design for manufacturing and assembly (DFMA) reviews, facility reviews, and demonstrations. New use cases introduced include 2D data immersion reviews, and VR based training. Despite the strong value that the CAVE was providing to those who used it, it was underutilized. The CAVE …
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LIGHTWEIGHT AND ADVANCE PRECAST CONCRETE SYSTEM FOR MODULAR BUILDING CONSTRUCTION
This paper proposes a new cruciform module design for the construction of buildings with wider column-to-column such as the Healthcare and Institutional Buildings with the use of lightweight concrete. Based on the finite element analysis (FEA) of two buildings with similar configurations and global …
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The Turgo impulse turbine : a CFD based approach to the design improvement with experimental validation
… and Design for Manufacture and Assembly (DFMA) was applied to the strengthened design identifying two optimised designs (LE4 and LE1) which will be tested before and after additional dressing of the leading edges. Both optimised runner designs were manufactured and tested at the Laboratory …
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Modular Manufacture and Construction of Small Nuclear Power Generation Systems
Nuclear power is a stable, secure, low-carbon energy source; however, recent nuclear power plant projects are challenged by long build times and high construction costs, making them difficult to finance. Small Modular Reactors (SMRs) are nuclear reactors smaller than 300 MWe and claim to leverage …