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Full-Text Articles in Mechanical Engineering
Advanced Catalyst Systems Senior Design Project, Megan Peck
Advanced Catalyst Systems Senior Design Project, Megan Peck
Chancellor’s Honors Program Projects
No abstract provided.
Restaurant Design: An Industrial Engineering Perspective, Joseph Travis Spanu
Restaurant Design: An Industrial Engineering Perspective, Joseph Travis Spanu
Industrial and Manufacturing Engineering
The objective of this paper is to design a health food restaurant using current industrial engineering tools and practices. This includes creating a menu, determining the average gross profit per customer, determining the location, designing a 3-d layout, simulating service, and analyzing local food supply chains. Using a simplified menu and pricing quotes from a food distributor, the average gross profit per customer is estimated to be $3.50. Location is determined by comparing the predicted number of customers and the cost to rent at two different areas. A downtown location is determined to gross approximately $5,200 per month over a …
A Stochastic Production Cost Model For Remanufacturing Systems, Gaurang S. Patel
A Stochastic Production Cost Model For Remanufacturing Systems, Gaurang S. Patel
Theses and Dissertations - UTB/UTPA
Growing environmental concern throughout this decade coupled with enforced legislation, customer expectations and economic incentives have forced increasing number of manufacturers to take back their products from end user. Managing this reverse flow of products is called reverse logistics. The stochastic nature of returned products complicates the production planning for remanufacturing systems in reverse logistics. In this thesis a stochastic production cost model, considering various costs associated under different situations for remanufacturing systems of returned products is developed. A search algorithm method is recommended to determine optimal production run size, production rate and space for remanufacturing systems in reverse logistics. …
Extension Of Stereolithography Mold Life Using Gas-Assisted Injection Molding, Dilip Bose Ramalingam Nagarajan
Extension Of Stereolithography Mold Life Using Gas-Assisted Injection Molding, Dilip Bose Ramalingam Nagarajan
Theses and Dissertations - UTB/UTPA
Stereolithography (SL) molds show great promise for injection molding of limited number of parts, greatly reducing the time to product and production cost. However, they present challenges to designers because of their strength, thermal characteristics and shorter lifetimes compared to metal molds. Gas-assisted injection molding (GAIM) has been used to alleviate the problems of distortion and thermal damage. The use of GAIM makes it possible to produce a large number of parts compared to conventional injection molding in epoxy molds with higher quality. In this research solid models of the mold with different part geometry were created using CAD and …
The Use Of Confidence Intervals For The Control Limits Of X¯ And S Control Charts, Daniel A. Lopez
The Use Of Confidence Intervals For The Control Limits Of X¯ And S Control Charts, Daniel A. Lopez
Theses and Dissertations - UTB/UTPA
This research focuses on the variation observed on the control limits of X¯ and S control charts, due to the sampling schemes. In previous studies it has been shown that the estimated control limits derived by a small number of subgroups does not help in setting up reliable control limits. It has also been shown that estimating control limits from a large number of subgroups is not a feasible option. In this research quantile tables will be derived by sampling from the standard normal distribution and used to explain the effects of sampling on the control limits. The tables will …
Development And Realization Of A Single-Mode Optical Fiber Ferrule Mold Insert With Twelve Channels, Hsiharng William Yang
Development And Realization Of A Single-Mode Optical Fiber Ferrule Mold Insert With Twelve Channels, Hsiharng William Yang
Doctoral Dissertations
A manufacturing process for an optical fiber ferrule mold insert with twelve channels has been established. This research project presents mask design, mask fabrication, deep X-ray lithography exposure, resist developing, nickel electroforming, as well as surface finishing to attain the final result. Deep X-ray mask fabrication methods are explored, including mechanically machined masks, micro-EDM masks, and E-beam written masks. The exposures to pattern resists and electroforming to fabricate nickel molds up to 500 $\mu$m thickness are reported in this study. Nickel structures for the optical fiber ferrule insert with twelve channels made by electroforming are the final products. A practical …