Open Access. Powered by Scholars. Published by Universities.®

Manufacturing Commons™

Open Access. Powered by Scholars. Published by Universities.®

2,391 Full-Text Articles 4,291 Authors 2,317,996 Downloads 110 Institutions

All Articles in Manufacturing

Faceted Search

2,391 full-text articles. Page 81 of 99.

A Framework For Large Scale Fused Pellet Modeling (Fpm) By An Industry Robot, Zhiyuan Wang, Renwei Liu, Todd E. Sparks, Frank W. Liou 2015 Missouri University of Science and Technology

A Framework For Large Scale Fused Pellet Modeling (Fpm) By An Industry Robot, Zhiyuan Wang, Renwei Liu, Todd E. Sparks, Frank W. Liou

Mechanical and Aerospace Engineering Faculty Research & Creative Works

Fused pellet modeling (FPM) is an important method in additive manufacturing technology, where granular material is used instead of filaments. In FPM, prototypes are constructed by the sequential deposition of material layers. As the size of the part increases, the problem of long build times and part deformation becomes critical. In this paper, methods for eliminating the void density during deposition and accuracy control principles for large scale FPM processes are studied. By analyzing the ab initio principles of this process, a mini extruder with variable pitch and progressive diameter screw for the large scale fused deposition is proposed. Based …


Securemems: Selective Deposition Of Energetic Materials, Trevor J. Fleck, Josiah R. Thomas, Lillian F. Miles, Allison K. Murray, Zane A. Roberts, Raghav Ramachandran, I Emre Gunduz, Steven F. Son, George T. Chiu, Jeffrey F. Rhoads 2015 Purdue University

Securemems: Selective Deposition Of Energetic Materials, Trevor J. Fleck, Josiah R. Thomas, Lillian F. Miles, Allison K. Murray, Zane A. Roberts, Raghav Ramachandran, I Emre Gunduz, Steven F. Son, George T. Chiu, Jeffrey F. Rhoads

The Summer Undergraduate Research Fellowship (SURF) Symposium

There exists a pressing operational need to secure and control access to high-valued electromechanical systems, and in some cases render them inoperable. Developing a reliable method for depositing energetic materials will allow for the near-seamless integration of electromechanical systems and energetic material, and, in turn, provide the pathway for security and selective destruction that is needed. In this work, piezoelectric inkjet printing was used to selectively deposit energetic materials. Nanothermites, comprising of nanoscale aluminum and nanoscale copper oxide suspended in dimethyl-formamide (DMF), were printed onto silicon wafers, which enabled both thermal and thrust measurements of the decomposing energetic material. Various …


Integrating Systems For Liquid/Substrate Characterization And Functional Printing, Jianyi Du, J. William Boley, Rebecca K. Kramer 2015 Purdue University

Integrating Systems For Liquid/Substrate Characterization And Functional Printing, Jianyi Du, J. William Boley, Rebecca K. Kramer

The Summer Undergraduate Research Fellowship (SURF) Symposium

Gallium-Indium alloys are recently applied in fabricating soft devices, such as stretchable sensors, electric circuits, micro pumps and optics. Its printability demonstrates the possibility for a wide extension of the application. Current fabrication methods are inefficient when printing is most handled manually, and are highly dependent on material properties. There is need for a fast way to characterize material properties, and to functionally print the given shape on the substrate. This paper presents the construction of an efficiently integrated system with optical imaging and functional printing for Gallium-Indium alloys. The imaging section allows for characterization of material properties to fast …


Investigation Of Slective Laser Melting Of Mecanically Alloyed Metastable Al5fe2 Powder, Hugo Montiel 2015 University of Texas-Pan American

Investigation Of Slective Laser Melting Of Mecanically Alloyed Metastable Al5fe2 Powder, Hugo Montiel

Theses and Dissertations - UTB/UTPA

Selective Laser Melting (SLM), an Additive Manufacturing (AM) technology, enables the production of complex structured metal products. Aluminum alloys are used in SLM as high-strength lightweight materials for weight reduction in structural components. Previous investigations report high laser powers (300 W) and slow scanning speeds (500 mm/s) to process aluminum alloys under SLM. This research investigates the SLM processing of Al-Fe alloy by utilizing metastable Al5Fe2 powder system produced by mechanical alloying. Metastable systems are thermodynamically activated with internal energy that can generate an energy shortcut when processing under SLM. The optimum laser power, scan speeds and scan distances were …


A Study Of The Selective Laser Alloying Of Elemental Titanium And Boron Powder, Yingbin Hu 2015 University of Texas-Pan American

A Study Of The Selective Laser Alloying Of Elemental Titanium And Boron Powder, Yingbin Hu

Theses and Dissertations - UTB/UTPA

To better understand the selective laser alloying process of elemental titanium and boron powder, theoretic models are created which takes material related, reaction related, laser related, and other affecting factors into consideration. These models do help interpret the corresponding experiment results. In turn, the related experiment results validate the theoretic models created. In practice, the experiments with two different molar ratios of 1:2 and 4:1 between titanium and boron are carried out. The huge amount of energy released because of reaction between titanium and boron during laser irradiation makes it hard to understand and control the alloying process. At the …


Increasing The Independence Of Children With Spina Bifida Through The Designing And Building Of A Mechanical Aide, Andrew Duffek, Robert Brent, Michael Hamada, Melissa Rodriguez 2015 California Polytechnic State University - San Luis Obispo

Increasing The Independence Of Children With Spina Bifida Through The Designing And Building Of A Mechanical Aide, Andrew Duffek, Robert Brent, Michael Hamada, Melissa Rodriguez

Industrial and Manufacturing Engineering

In order to assist Silas Hopper, a child with spina bifida, with getting into his wheelchair independently when being on the ground, the senior project team set out to construct a device that would fulfill that purpose. They did this through coming up with a strict definition of the problem to be solved, designing a number of potential solutions for the problem, prototyping to determine the feasibility of the solutions, making design modifications after testing the prototype, and building the final device.

The end product was a device that was able to operate mechanically, with a design that considered safety …


Small Scale Erp Engine Design, Colyn Muir Dickson, Matthew Wade Haymond 2015 California Polytechnic State University - San Luis Obispo

Small Scale Erp Engine Design, Colyn Muir Dickson, Matthew Wade Haymond

Industrial and Manufacturing Engineering

This project set out to create a 1) low-cost, 2) dynamic, and 3) user-friendly small scale ERP software tool. These three key attributes position this product against complex and expensive systems such as SAP or Oracle. While the product still retains the dynamic and financial capabilities any good ERP system should have, the biggest value proposition is its simple and user-friendly interface. The software has a dual product-market fit: for small businesses as a low-cost planning tool, and for universities as a teaching tool. In the design phase, the team kept a primary focus on ergonomic software development while maintaining …


Tesla Motors Quality Engineering Application And Implementation, Nick Kwan 2015 California Polytechnic State University - San Luis Obispo

Tesla Motors Quality Engineering Application And Implementation, Nick Kwan

Industrial and Manufacturing Engineering

Tesla Motors, in Winter 2013 during the author’s coop,had a variety of potential improvement areas regarding their quality engineering team. There were too many overall defects on the vehicles. Those defects were recognized as the cars were passing through inspection, coming off the line, as well as brought by customers to after-purchase service. One of the defects was the Charge-port Door Malfunction, in which the door of the Model S would not open on command. An additional defect was the Windshield Wiper Malfunction, in which the fluid was not hitting the car at the desired angle. Both of these defects …


Database Design For The Collection And Visualization Of Sustainabilty Data, Henry A. Kozlowski, Nikhila Perugupalli 2015 California Polytechnic State University - San Luis Obispo

Database Design For The Collection And Visualization Of Sustainabilty Data, Henry A. Kozlowski, Nikhila Perugupalli

Industrial and Manufacturing Engineering

The goal of the project was to create a database that would be a repository for the high volume of sustainability data Illumina would like to collect. To couple with the database the project team’s goal was to design a system for visualizing the data graphically. Illumina required a database system that would be user-friendly, easy to add, delete, and edit data inputs, as well as a program that would allow the user to easily sort and graph data. The intent of the graphical representation of the data is to publish the graphs in a monthly report that would be …


Industrial Engineering Consulting, Blake J. Ahrold, Torrey M. Plana 2015 California Polytechnic State University - San Luis Obispo

Industrial Engineering Consulting, Blake J. Ahrold, Torrey M. Plana

Industrial and Manufacturing Engineering

This paper documents the senior project of Blake Ahrold and Torrey Plana. This project was created to provide a solution to the problem of small to medium Sized enterprises (SMEs) being under represented by lean consulting companies. The project was at first intended to be a lean consulting startup and then pivoted to The Systems Optimization Club. A project charter, Gantt chart, and business model canvas were created for the startup and used as guidelines in the creation of the Systems Optimization club. The club is to be run like a lean consulting company. The club will provide teams of …


Strasbaugh Nonconforming Report Optimization, Eden Andersen, Angela Asgekar, Rebecca Gregg 2015 California Polytechnic State University - San Luis Obispo

Strasbaugh Nonconforming Report Optimization, Eden Andersen, Angela Asgekar, Rebecca Gregg

Industrial and Manufacturing Engineering

This paper strives to convey the problems and proposed solutions for Strasbaugh’s Nonconforming Report (NCR) Optimization. Strasbaugh is a world leader in silicon wafer polisher and grinder technologies. After a significant down size to the company parts they used to manufacture now have to be purchased, and many of these incoming parts do not conform to Strasbaugh’s high standards. This has led to an increase in NCRs that need to be processed, which takes up time, resources and money.

The objective therefore became to update the multi-sheet carbon copy paper system to better optimize the use of these reports and …


Designing A Supply Chain For Wine Imports, Italy To California, Neil Magnuson, Sam Bucher 2015 California Polytechnic State University - San Luis Obispo

Designing A Supply Chain For Wine Imports, Italy To California, Neil Magnuson, Sam Bucher

Industrial and Manufacturing Engineering

Executive Summary

In this report a framework for a hypothetical business will be covered. Bucher & Magnuson Wine Import Inc. has provided a business plan as well as a detailed supply chain design for operations. In addition, a model for scaling and a redesign of a possible storage facility will be found. This comprehensive document outlines end to end the supply chain model of the hypothetical business and moreover a framework for starting a wine import business in San Luis Obispo.

The conclusions of the results from this model are the following:

An Automated Solution For Analyzing Supply Chain Performance, Paul Ringelstein 2015 California Polytechnic State University - San Luis Obispo

An Automated Solution For Analyzing Supply Chain Performance, Paul Ringelstein

Industrial and Manufacturing Engineering


The world is becoming increasingly connected as technology progresses and globalization reaches more countries. This interconnection creates new challenges and new relationships for both people and businesses. Now, more than ever, businesses have to work together to satisfy the high demands of customers.In a world full of complex organizations that do business together, the supply chain has become the heartbeat of corporations. The interconnectedness of the organizations in the supply chain is critical to the success of all components of the supply chain. In order to gain an advantage in markets today, data needs to be used to determine where …


Analysis Of 3d Printer Schedule, Colin B. McLane 2015 California Polytechnic State University - San Luis Obispo

Analysis Of 3d Printer Schedule, Colin B. Mclane

Industrial and Manufacturing Engineering

With recent innovations in technology, 3D printing has become a rapidly expanding manufacturing method that is being used for a wide range of applications. Their ability to build parts layer by layer instead of cutting away initial material allows this method to have almost no wasted material, creating the potential for a much more efficient, cost effective process. In order to continue the growth of this manufacturing strategy, the performance of 3D printers need to be enhanced to ensure equal or higher quality of produced parts in comparison to other manufacturing methods that are more commonly used. One important part …


Cost Effective Analysis Of Big Data, Steven J. Litzsinger, Nehad Dababo 2015 California Polytechnic State University - San Luis Obispo

Cost Effective Analysis Of Big Data, Steven J. Litzsinger, Nehad Dababo

Industrial and Manufacturing Engineering

Executive Summary

Big data is everywhere and businesses that can access and analyze it have a huge advantage over those who can’t. One option for leveraging big data to make more informed decisions is to hire a big data consulting company to take over the entire project. This method requires the least effort, but is also the least cost effective. The problem is that the know-how for starting a big data project is not commonly known and the consulting alternative is not very cost effective. This creates the need for a cost effective approach that businesses can use to start …


Design Of An Automated Vehicle Detection System For Bicycles: Fireworks Cycling Sensor, Jason Cheng, Peter Kim, Tory Morgan, Clayton Young 2015 California Polytechnic State University - San Luis Obispo

Design Of An Automated Vehicle Detection System For Bicycles: Fireworks Cycling Sensor, Jason Cheng, Peter Kim, Tory Morgan, Clayton Young

Industrial and Manufacturing Engineering

Abstract

This report explores the necessity for increased cyclist safety in urban settings, leading to the birth of a product which aims to drastically reduce the risk of accidents while heightening the sense of safety overall. The project outlines and details the product development process of a consumer-friendly vehicle detection system, with a holistic scope which includes technical rapid prototyping and coding, team dynamics, decision making process, and change management. Two formal prototypes were developed before a functional final product was identified and constructed, each iteration drastically improving practicality and efficiency of detection. The final product underwent extensive testing in …


Economic Analysis And Justification For Automated Welding Systems, Roxanne Raye 2015 California Polytechnic State University - San Luis Obispo

Economic Analysis And Justification For Automated Welding Systems, Roxanne Raye

Industrial and Manufacturing Engineering

This report looks at designing a new welding process for a company in the Oil & Gas industry, ensuring method consistency and performance quality of their steel drill bit while increasing overall production. The current product is welded manually with a flux core wire, resulting in high cycle times and numerous cases of required rework.

The use of automation systems will be analyzed for their increased consistency, quality, safety, and production estimates. Specifically robotic cell design will be considered, since it can work on more parts with fewer operators, adding efficiency and flexibility to the production floor. Other areas of …


Dcpp/Polygait Inventory Control System, Logan Pace, Robert Garlinghouse 2015 California Polytechnic State University - San Luis Obispo

Dcpp/Polygait Inventory Control System, Logan Pace, Robert Garlinghouse

Industrial and Manufacturing Engineering

This report discusses a proposed system to improve upon inventory management issues experienced in the M&TE Tool room for the PG&E Diablo Canyon Power plant. Effective inventory tracking and management is an important characteristic of any organization handling physical assets, and without the proper system in place, companies may lose expensive items and waste time by not having equipment available when needed. The tool room is experiencing inventory shrinkage of M&TE equipment nearing $100,000 per year largely because of an inefficient checkout system that fails to keep employees accountable for the tools they check out. Even more costly than the …


Quality Improvement At Patio Pacific, Petdoors, Tri Minh Nguyen, In Woo Suh 2015 California Polytechnic State University - San Luis Obispo

Quality Improvement At Patio Pacific, Petdoors, Tri Minh Nguyen, In Woo Suh

Industrial and Manufacturing Engineering

Quality is key in manufacturing any type of product. Customer expectations only rise with time, and it has become more crucial than ever for companies to produce quality products to survive. This project sets out to improve quality of flagship products at Patio Pacific. This report contains the background of the company, Patio Pacific, the process of finding critical problems, and the methodology to solve them.

Customer returns and inquiries have the ability to eat up cash flow in any type of company. This senior project sets out with introduction of the project that explains how the project came about, …


Freedom Ski, Toby A. Goldsteinholm, Ashley Scharff, Justin Satnick, Markus Rutner 2015 California Polytechnic State University - San Luis Obispo

Freedom Ski, Toby A. Goldsteinholm, Ashley Scharff, Justin Satnick, Markus Rutner

Mechanical Engineering

The current availability of water skis for people who are paraplegic or quadriplegic is very limited. The aim of our project is to design a system that improves upon the current models of specialized water skis. Our intent is to create a waterski system that is structurally stable and handles responsively, in order to ensure that anyone is capable of effectively using our system to waterski.

The main client of our project is Quality of Life Plus, an organization that aims to aid veterans of the armed forces who have physical disabilities to still enjoy a good quality of life. …


Digital Commons powered by bepress