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Full-Text Articles in Mechanical Engineering

Design And Implementation Of A Fixture For Robotic Welding, Isaac Nathaniel Williams Dec 2016

Design And Implementation Of A Fixture For Robotic Welding, Isaac Nathaniel Williams

Industrial and Manufacturing Engineering

The Cal Poly IME department recently purchased a robotic welder. The faculty would like to see this robot incorporated into the welding class. The robot was capable of moving, but was not able to perform a weld prior to this project. This problem is addressed by creating a demonstration part for the welding class. The objectives that need to be complete for this to be possible is designing a part, designing a fixture, analyzing the cost of robotic welding, and implement welding the part in the class. The part is designed with specific requirements in mind. The fixture is designed …


Mri Upgrades At Radiology Associates, Patrick Cheung, Charlene Donlon Dec 2016

Mri Upgrades At Radiology Associates, Patrick Cheung, Charlene Donlon

Industrial and Manufacturing Engineering

Problem Statement: The MRI machines at Radiology Associates are limiting the company’s ability to expand and compete within the local market. After discussing with technicians and managers at Radiology Associates, we decided to focus on hardware and software upgrades for the MRI machines. With 2 of the 3 locations purchasing new machines in the near future, our focus was on upgrades at the Santa Maria facility. The two machines at this location needed hardware and/or software upgrades to remain on par competitively both within the company and with local scanning options. Flexible coils are beneficial in terms of size, weight, …


Development Of A Process Monitoring Tool For The Manufacturing Process Of An Electric Vehicle Battery Enclosure, Ian Lamond Dec 2016

Development Of A Process Monitoring Tool For The Manufacturing Process Of An Electric Vehicle Battery Enclosure, Ian Lamond

Industrial and Manufacturing Engineering

High volume manufacturing requires process control that is responsive to manufacturing related issues. It is critical that tools and resources are implemented that gauge manufacturing performance and identify root cause issues.

This project focuses on the design and manufacturing process of an electric vehicle aluminum battery enclosure and the implementation of a production measurement system. The current problem is a lack of process control communication and out of control alarms when uncontrolled events occur for manufacturing associates at the battery enclosure manufacturing work station.

This report examines the core principles of Quality Engineering, the economic advantages of implementing a vision …


Application Of Gearbox Drivetrains For Commuting Bicycles, Loren Sunding Dec 2016

Application Of Gearbox Drivetrains For Commuting Bicycles, Loren Sunding

Industrial and Manufacturing Engineering

People all over the world are beginning to ride their bicycles more often to destinations which include work, school, and local markets. Most bicycles being used for these activities have an external drivetrain exposed to the elements of the road including water, mud, dirt, and debris. External drivetrains are very fragile and when damaged, pedaling efficiency is greatly reduced and the overall riding experience diminishes.

One solution to this issue is a gearbox specifically designed for a bicycle frame. A gearbox has several mechanical mechanisms operating inside a protective housing. Since the housing is fully sealed, outside elements are not …


Design And Prototyping Of An Adjustable Putter, Daulton Morgan Dec 2016

Design And Prototyping Of An Adjustable Putter, Daulton Morgan

Industrial and Manufacturing Engineering

Being able to demo a golf putter is essential for a golfer since the feel of the putter is critical in determining what suits the golfer best. Due to the market being primarily dominated by right-handed players, it is difficult for left-handed players to demo high quality putters since the selection is sparse.

This report is about designing and integrating an interchangeable fastening system that allows a putter to be altered between a right and left-handed orientation, while still maintaining the traditional look of a putter. The report covers the necessary design steps, the prototyping of the putter, the projected …


Assembly Line Kitting: Foam Mold Material Substitute, Samer Samy Saleh Dec 2016

Assembly Line Kitting: Foam Mold Material Substitute, Samer Samy Saleh

Industrial and Manufacturing Engineering

Kitting is considered an incredibly innovative and effective solution intended to aid operators within a mixed model assembly line. However, it is a non-value added procedure and one that customers may not be willing to pay for. With this project, the goal is to examine opportunities to employ lean principles and provide a solution that further eliminates non-value added procedures, while also producing the potential for a flexible, mixed model assembly line.

To achieve the aforementioned purpose, the production of foam molds, located within industrial totes and sent to the assembly line, was found to be a major waste within …


Mechanisms And Solutions To The Brittle Solder Joint In Electroless Ni Plating, Xuan Wang, C. Key Chung Aug 2016

Mechanisms And Solutions To The Brittle Solder Joint In Electroless Ni Plating, Xuan Wang, C. Key Chung

Industrial and Manufacturing Engineering

Brittle solder joints in Electroless Ni electroless Pd immersion Au (ENEPIG) surface finishes are one of the key reliability issues in electronics assembly. Previous characterization of the reflow process has indicated that interfacial voids formed after solder reflow are responsible for the decreases in solder joint strength. However, the mechanisms behind the formation of these voids in the ENEPIG process remain unclear. In this paper, the interaction between various aspects of the ENEPIG process and solder joint strength were investigated. Surface roughness, morphology, and nano-pitting at the interface between electroless Pd and Ni-P were characterized. The size and density of …


Design For Manufacturability: Off-Road Toyota Bumper, Drew Donlon Jul 2016

Design For Manufacturability: Off-Road Toyota Bumper, Drew Donlon

Industrial and Manufacturing Engineering

The purpose of this project is to design a new off-road bumper that is improved from the stock form of a 1996-2002 Toyota 4Runner and a 1996-2004 Toyota Tacoma. The current state of the component is too weak to endure to off-road endeavors, and a kit bumper market is virtually untapped for these vehicles. The objectives of this project were met by redesigning the stock front bumper, conducting a finite element analysis on the model to test for strength, prototyping the bumper with CNC cut cardboard, and conducting a full cost analysis including the costs for waterjet and laser cutting …


Design & Analysis Of A Bicycle Towing Device, Austin Lynch, William Max Mcewan, Fredrik Stenson Jun 2016

Design & Analysis Of A Bicycle Towing Device, Austin Lynch, William Max Mcewan, Fredrik Stenson

Industrial and Manufacturing Engineering

A local businessman had the idea to build a device that allows a bicycle to tow another bicycle. He built a prototype to demonstrate his idea but he wanted help in developing a product that could fit more bikes, did not require a rear rack to operate, and be manufacturable at his facility. He also expressed interest in an economic evaluation of production and marketing of the device. An analysis of customer needs led to adding reduction of weight and ease of attachment to the design requirements.

This report is about improving the original design and presents the process of …


Mentoring Management Database, Alexandra Cava, Samantha Kin Jun 2016

Mentoring Management Database, Alexandra Cava, Samantha Kin

Industrial and Manufacturing Engineering

A new mentoring program is set to begin next year pairing children from Kindergarten through 12th grade with college students as their mentors. Keeping track of the mentor information, mentee information, pairings, stipend disbursements, interview question results, events, and final assessments by hand would be extremely difficult, therefore, a database would be a great asset to the program.

Creating a database in Microsoft Access allows a user to have all this information in one convenient location, therefore, ensuring there is a good user interface is a key component to this project. Using Perach’s "Guide to the Perplexed" as the base …


Zero Waste Campus Dining, Jenny Caudillo, Sarah Dahel, Youlen Ghazalian Jun 2016

Zero Waste Campus Dining, Jenny Caudillo, Sarah Dahel, Youlen Ghazalian

Industrial and Manufacturing Engineering

Cal Poly Campus Dining has a goal of becoming a zero waste entity by providing their customers with alternative methods of disposing their trash. Their current operations produce waste, specifically their methods of packaging the food. Campus dining plans to be more sustainable by providing their customers with reusable containers. The objective of this implementation is to reduce waste produced from one-time use, disposable food containers. The success criteria for the desired system is based around the ability to track and measure the reusable containers to prevent further waste, while providing the user an accommodating environment to ensure they will …


Building A Startup Wine Brand, Sean Christopher Silvestre Jun 2016

Building A Startup Wine Brand, Sean Christopher Silvestre

Industrial and Manufacturing Engineering

Lisso Wine is a company that currently purchases wine from a California winemaker and resells it in China. In order to reach more customers and increase sales, Lisso wants to create their own brand of wine while keeping the winemaker as a supplier. However, they do not have a plan for the marketing, production, or distribution of their new product. This project will be treated as a startup venture by Lisso Wine and designed to be operated by a handful of people with limited resources. Sustainable and cost-effective materials were selected for the product and it’s packaging in order to …


Ymca Operations Manual Development, Devlin Stewart Jun 2016

Ymca Operations Manual Development, Devlin Stewart

Industrial and Manufacturing Engineering

The San Luis Obispo YMCA sports department was losing money and overworking their employees due to lack of processes and organizational issues. To address this, a plan was made with the sports director to begin organizing the sports department. This would be done by creating an operations manual for them to organize and consolidate all of their relevant information.

The project was scoped to develop a plan for the YMCA to implement an operations manual. By delivering a work breakdown structure, a gantt chart, and a plan for continuous improvement, the YMCA could use these tools to develop their operations …


Soto's True Earth Market Optimization, Hironari Fujita, Wei Lin Luong, Sean Macwilliams Jun 2016

Soto's True Earth Market Optimization, Hironari Fujita, Wei Lin Luong, Sean Macwilliams

Industrial and Manufacturing Engineering

Soto’s True Earth Market is a new organic market startup which is located in a historical facility in the small town of Cambria. The new owner of Soto’s Andre Ponce has a vision to create a community revolved around local organic foods and sustainability. Since Soto’s is still in the initial startup phase there is a large amount of room for optimization and redesign in order to create a solid customer foundation. Andre presented several opportunities for improvement to the team. With a time constraint of solely two quarters the project team decided to provide the following:

● Old and …


E-Learning Design For Microsoft Access & Asp.Net, Jonathan Choi, Christopher Hom Jun 2016

E-Learning Design For Microsoft Access & Asp.Net, Jonathan Choi, Christopher Hom

Industrial and Manufacturing Engineering

The problem definition is that the current video tutorial series is outdated and lacks interactive features that aid with E-Learning. The goal of the project is to create a platform that incorporates features such as structure, interaction, assessments, and competency tests. The project revolved around integrating four softwares together in order to create an effective E-Learning platform. The four softwares were Adobe Captivate, Camtasia, Microsoft Access and Microsoft Visual Studios. Adobe Captive is used to store the tutorial video and assign quizzes. Camtasia is used to record the tutorial videos. Microsoft Access is used to store all the questions given …


Improving The Mechanical Performance Of 3d Printed Parts Using Fused Filament Fabrication, Inderpreet Binning Jun 2016

Improving The Mechanical Performance Of 3d Printed Parts Using Fused Filament Fabrication, Inderpreet Binning

Industrial and Manufacturing Engineering

The 3D printing industry has seen rapid growth in the last 10 years and has been called the next industrial revolution. There are several different processes used in 3D printing, but the most popular process is called Fused Filament Fabrication (FFF) or Fused Deposition Modeling (FDM). This is the process where (most commonly) plastic filament enters a nozzle, is heated to a semi-liquid state, and then deposited into a pattern to create a print. One major drawback to this process is that the prints are anisotropic. This means that the strength of the print varies with the orientation that it …


Facility Redesign For Increased Throughput And Improved Product Flow Of Shark Rack Products Final Assembly At Paris Precision, Karina Hromyak, Julia Remnant Jun 2016

Facility Redesign For Increased Throughput And Improved Product Flow Of Shark Rack Products Final Assembly At Paris Precision, Karina Hromyak, Julia Remnant

Industrial and Manufacturing Engineering

Paris Precision is a metal fabrication company that fabricates metal components for various companies, one of which is Shark Rack, which creates high end server racks. Shark Rack has plans for a dramatic increase in demand over the next two years. Paris Precision’s Final Assembly area is currently not conducive to produce such a large increase in demand. A redesign of the Final Assembly facility is needed to handle the increase in production and to improve product flow through the space. The project team’s objectives are to:

● Study current Final Assembly production process

● Analyze the production flow

● …


National Society Of Sales Engineers & National Sales Engineering Competition, Joseph Lynes, Tyler Sasse Jun 2016

National Society Of Sales Engineers & National Sales Engineering Competition, Joseph Lynes, Tyler Sasse

Industrial and Manufacturing Engineering

Sales Engineering is a popular career choice for many engineers coming out of university. Despite its continuing growth, many students lack the knowledge and preparation to be successful in the early years of their career. A small collection of sales engineering minors and student clubs are the only option for students interested in technical sales.

Using the DMAIC process, the senior project team went step by step to find and implement the best possible solution to better connect college students and the professional sales engineering industry . The team worked side by side with professionals in the industry and students …


Smart Packing With Qr - Improving Cal Poly's Parking System For All Users, Kelsey Bazshushtari, Andrew Lee, Christopher Ragasa Jun 2016

Smart Packing With Qr - Improving Cal Poly's Parking System For All Users, Kelsey Bazshushtari, Andrew Lee, Christopher Ragasa

Industrial and Manufacturing Engineering

Cal Poly Smart Parking, herein referred to as CPSP QR Code Initiative, is developed to reduce the wait times student, staff, and guest drivers experience when searching for a parking spot on campus. Cal Poly is currently undergoing a large growth in student population, and, as a result, is experiencing congestion in parking lots. Drivers will commonly spend frustrating amounts of time "vulturing" these parking lots for an open spot. CPSP QR Code Initiative consists of a database that is controlled by user submitted data through QR codes scanned on a user’s smartphone. This system will provide drivers with a …


Gold Contamination In Non-Lead Surface Mount Solder Joints, Richard Alexander Garrison Jun 2016

Gold Contamination In Non-Lead Surface Mount Solder Joints, Richard Alexander Garrison

Industrial and Manufacturing Engineering

Abstract

Solder joints are critical to the reliability of circuit boards. If gold is introduced to the solder joint, brittle AuSn4 intermetallic compounds develop which affect reliability of that solder joint. To determine the effects of gold when dissolved into a non-lead solder joint, a process was developed in order to apply gold content onto SAC305 solder paste. The gold was transferred as a paste from a micropipette onto each individual solder bump. This process was designed to apply a range of gold content from 1.0 wt. % to 10 wt. % to each individual solder joint. The test board …


Inventory Tracking Software Improvement Project, Jacky Leung Jun 2016

Inventory Tracking Software Improvement Project, Jacky Leung

Industrial and Manufacturing Engineering

FanimeCon’s Convention Operations department required standardized processes and controls for their inventory tracking software. On top of the current web application, new controls were put into place for checkout limitations. To allow for a continuous improvement effort, processes became standardized with a new graphical user interface where user input is recorded. These will provide processing times for further study in proposing redesigned layouts and more efficient processes.


Haas Automation Umc750 5axis Mill Assembly Process Improvement, Mason A. Garcia, Gregory R. Gunion, Juan Pablo Quinonez Weston Jun 2016

Haas Automation Umc750 5axis Mill Assembly Process Improvement, Mason A. Garcia, Gregory R. Gunion, Juan Pablo Quinonez Weston

Industrial and Manufacturing Engineering

The improvement of the current assembly of the motor and casting components for the Haas UMC-750 5-Axis vertical CNC mill includes the evaluation, development and proposal of a new pair of material handling carts. To meet these deliverables, a student team began by assessing the assembly workstation, defining the problem to be solved, researching ergonomics in material handling equipment and drafting the final design of the improved cart models using SolidWorks. The final design considered the initial improvement request from the client, as well as better ergonomic features to enhance the safety of the operators. It was estimated that the …


Densification Of W-Ni-Fe Powders Using Laser Sintering, Xuan Wang, Matthew Wraith, Stephen Burke, Howard Rathbun, Kyle Devlugt Apr 2016

Densification Of W-Ni-Fe Powders Using Laser Sintering, Xuan Wang, Matthew Wraith, Stephen Burke, Howard Rathbun, Kyle Devlugt

Industrial and Manufacturing Engineering

In this paper, Laser Sintering (LS) of 90%W–7%Ni–3%Fe (wt.%) powders have been investigated, with the goal to understand the influence of final density by laser power, scanning speed, laser trace width, and the number of scanning passes. The results suggest that the laser power and scanning speed are the most important factors influencing density; the influence of trace width and number of scanning passes are not significant. With the increase of laser power and decrease of scanning speed, higher density can be achieved. The microstructure analysis indicated that the porosity changed from open porosity to closed porosity with higher laser …


Multi-Level Route-Optimization Computer Application, Ryan Sutardji, Frank Nguyen Mar 2016

Multi-Level Route-Optimization Computer Application, Ryan Sutardji, Frank Nguyen

Industrial and Manufacturing Engineering

This report provides a detailed analysis on how to optimize driving routes by creating a computer application. There are many different route-optimization issues that logistical companies consistently face, as well as many different solutions and algorithms. With technology on the rise, pick-up, delivery, and transportation services are become a huge part of our everyday lives. When optimizing routes, reducing transportation costs by minimizing travel distance is always ideal, but other factors must be considered such as arriving at a location before or after a certain time. Our objective is to optimize driving routes based on travel distance and priorities. We …


Skycsr: Optimal Communication Methods For Coordinating Ground Support In A Private And General Aviation Setting, Jessica Burke Mar 2016

Skycsr: Optimal Communication Methods For Coordinating Ground Support In A Private And General Aviation Setting, Jessica Burke

Industrial and Manufacturing Engineering

Delays due to miscommunication of between the pilot and ground service providers are increasing. The objective of this project is to develop a new method of communication between pilots, line service technicians and customer service agents. This will be achieved first through an investigation into current methods and state of the industry, followed by a survey conducted with a group of pilots and flight schools. This culminates in a web application that will take the deficiencies identified in the survey, to make sure ground service or fuel orders are explicitly clear and minimize the probability of a mis-fueling, overlooked fueling, …


Multi-Axis Machining Project Development, Ryan Patrick Blodgett, Andre Peter Rivera Mar 2016

Multi-Axis Machining Project Development, Ryan Patrick Blodgett, Andre Peter Rivera

Industrial and Manufacturing Engineering

Multi-axis milling is a manufacturing material removal process in which computer numerically controlled (CNC) tools cut away excess material through movement in four or more axes. Compared to traditional three-axis machining, multi-axis machining greatly increases the capability and accuracy of the CNC machining processes by reducing the amount of operations required to completely machine a part. Currently, the Industrial and Manufacturing Engineering Department at Cal Poly lacks an advanced CNC class that incorporates fourth and fifth axis CNC machining in the curriculum. This report describes the process behind creating a project for such a class. The class will demonstrate the …


Carbon Emission Awareness And Information Platform, Jose Ignacio Cordero, Paul Romero Mar 2016

Carbon Emission Awareness And Information Platform, Jose Ignacio Cordero, Paul Romero

Industrial and Manufacturing Engineering

Climate change due to global warming has become a worldwide concern.

Nowadays, people are starting to wake up and realize that changes need to be

made in their lifestyles in order to preserve this earth and provide a better planet

for future generations. Finding a concrete solution to global warming and climate

change has proven to be a very challenging task. Governments have tried

implementing solutions and as a result, corporations have been forced to absorb

or transfer the cost of unsuccessful environmental regulations. Meanwhile,

individuals remain frustrated, wishing they could find a way to help.

The motivation behind this …