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Articles 181 - 210 of 226
Full-Text Articles in Mechanical Engineering
Stationary Bike Generator System (Drive Train), Abdullah Adel Alsuhaim
Stationary Bike Generator System (Drive Train), Abdullah Adel Alsuhaim
All Undergraduate Projects
This paper is about generating electricity while exercising on a stationary bike. Our objective is to utilize the lost power in gym`s bikes to supply commonly used electronic devises on campus. Mechanical energy produced by workout will be used to charge students’ laptops, tablets, cellphone, and other small electrical devices. This project will be helpful to reduce the usage of electricity and also to people who are in need for electrical power. The focus of this paper is the drive train part of the project. Timing pulleys and a timing belt were used to transmit the angular movement of the …
Central Washington University C-Clamp Matchplate, Ryan Thomas Berghoff
Central Washington University C-Clamp Matchplate, Ryan Thomas Berghoff
All Undergraduate Projects
The goal was to design and manufacture a matchplate to be used by the Central Washington University (CWU) Engineering Department to cast C-clamps. These castings are produced in the University’s foundry and would be prepared as a secondary project for the department’s basic machining course. The design produced allows the C-clamps to be molded in a single pour for a full class of students, which is approximately sixteen (16). The desire was to achieve a design that was functional, yet allowed room and/or means to be easily modified or repaired, if needed. This was achieved through designing the C-clamps in …
Adjustable Shelving Unit For Home Beer Brewing, Andrew L. Kastning
Adjustable Shelving Unit For Home Beer Brewing, Andrew L. Kastning
All Undergraduate Projects
The purpose of this report is to show the design, build, and test process for a portable beer brewing rack. The rack is designed to be compact, yet still be able to hold all of the necessary components for brewing: two 15-gallon insulated kettles, two gas burners, and an instant hot water heating system. These components can be supported in any configuration at multiple height intervals on the center tree during the brewing process. The rack is designed to be resistant to tipping over when brewing while requiring less than two square feet of floor space when stored. This report …
Solar Tracker, Carson Man
Solar Tracker, Carson Man
All Undergraduate Projects
During the senior year in Mechanical Engineering Technology program, a solar tracker was designed and manufactured to be used during Mechanical Engineering Technology labs. The solar tracker will be able to rotate 15 degrees per hour by keeping it in line with changing position of the sun as the sky daily. The solar tracker was designed by calculating the need of the motor speed, allowable load, estimated solar input, and desired efficiency. Also it must be able to withstand the elements of nature, most effects are from the sun(heat), rain(water) and wind(air). Most of the concern will be the effect …
Weather Balloon Payload Box, Shellbie Liberty
Weather Balloon Payload Box, Shellbie Liberty
All Undergraduate Projects
A payload box holding a self-rotating camera was constructed to go on a weather balloon that will document the upcoming solar eclipse on August 21, 2017. A group of physics students, and the paper’s author, are working under Dr. Darci Snowden on the CWU Near Space Observation Team for research dedicated to the eclipse in Oregon. Various projects, including the payload box, are being designed to go up on a high altitude weather balloon. The payload box was designed and constructed to withstand the impact force of falling from 120,000 ft. This was done so the box could be reusable …
Pin Router Duplicator Base, Matthew Tebo
Pin Router Duplicator Base, Matthew Tebo
All Undergraduate Projects
The idea for the following project came from the Lean Manufacturing class that is offered at Central Washington University. In this class the manufacturing processes is demonstrated through the production of guitar kits. A problem with the class is that the CNC machine gets backed up causing a bottleneck in the production line. The solution to this problem was to make a pin router duplicator. A pin router duplicator is a device that allows the operator to trace a finished part with a pin while a router mimics its movements, cutting a new part. The component that is looked into …
Asme Design Challenge: Penathlon Robot, Roxann Roque
Asme Design Challenge: Penathlon Robot, Roxann Roque
All Undergraduate Projects
The American Society of Mechanical Engineers (ASME) 2017 Design Challenge is modeled after the 2016 Rio Olympics. Participants must build a robot to compete in Olympic style events. These Olympic events include a 10 meter sprint, golf ball hit, tennis ball throw, weight lift and stair climb. The sprint and stair climb event success is measured by time elapsed to complete the event. The weight lift is measured in weight lifted multiplied by height lifted, Newton-meters. The golf ball hit and tennis ball throw are evaluated by distance from robot. A robot was designed to meet this criteria. Analysis methods …
Built-In Bicycle Rack For Cars, Scott A. Hansberry
Built-In Bicycle Rack For Cars, Scott A. Hansberry
All Undergraduate Projects
Transporting a bicycle after riding somewhere and then needing to be pickup can be problematic. Bicycles will not fit in most vehicles without removing components. There is also the risk of damaging the inside of the vehicle. Expecting everyone to have a bike rack for their vehicle is unrealistic because the bike rack could be considered unappealing visually, take up to much space in the trunk, or limit the vehicle owner’s access to the trunk. The solution to this problem is a bike rack that mounts onto your car and then mounts your bike onto the rack. Most people don’t …
Pin Router Duplicator, Daniel Phan
Pin Router Duplicator, Daniel Phan
All Undergraduate Projects
The purpose of this project is to develop a pin router duplicator to accurately produce guitar bodies, necks, and fret boards. The pin router duplicator is designed to speed up the production process for the class Lean Manufacturing (MET 345), offered at Central Washington University. In the class, students learn how to work as a team to improve the way a woodshop is ran. In Lean Manufacturing, guitar bodies, necks, and fret boards are produced by using a CNC router. For this project, the motivation is to increase production by reducing production time. Accuracy and repeatability is also taken into …
Adjustable Height Table Chassis, Trevor Watkins
Adjustable Height Table Chassis, Trevor Watkins
All Undergraduate Projects
Having the ability to change a dining table between a sitting and standing position is a niche feature. This feature was created for people that play board games regularly at a table, or for people who require use of a dining table as a standing work area. The mechanism that the table works by is using an acme threaded rod as a lead screw, with two timing belt pullies driving the shafts up and down which cause the raising and lowering of the table. These pullies were machined to incorporate an ACME threaded bolt which was welded into each pully. …
Instant Hot Water Heater, Hunter Arnold
Instant Hot Water Heater, Hunter Arnold
All Undergraduate Projects
One of the first steps in the beer brewing process is to heat water to a specific temperature before it is mixed with the malt. The purpose of this project was to make a more compact and efficient heating device for the beer brewing process. The output temperature must be between 170⁰F and 180⁰F. The minimum flow rate should be half a gallon per minute with the maximum flow rate of three gallons per minute. The device will also need to mount to a collapsible beer rack being designed by Andrew Kastning. The device will be primarily compromised of two …
H.F. Hauff Outrigger: Vertical Arm, Juan Tovar
H.F. Hauff Outrigger: Vertical Arm, Juan Tovar
All Undergraduate Projects
H.F. Hauff is a company based out of Yakima which specializes in farming equipment. One of their products is a trailer which has a wind machine attached to it. In order to keep the fan’s thrust from tipping the trailer over, the trailer needs outriggers to extend out. The outriggers also serve as a way to level out the trailer in uneven surfaces. The outriggers are what needed to be designed. This portion of the project was the vertical arm which extends from the horizontal arm, and goes towards the ground to raise the trailer. The project consisted of three …
Asme Rc Baja Car: Suspension And Chassis, C. Aidan Pringle
Asme Rc Baja Car: Suspension And Chassis, C. Aidan Pringle
All Undergraduate Projects
Each year the regional chapter of the American Society of Mechanical Engineers (ASME) put on a Radio Controlled (R/C) Baja car competition. The R/C car designed for the competition must compete in two events, a slalom sprint and an obstacle course. A successfully designed car will not only be able to complete each event but also be competitive in each event. A main component to the success of the R/C car is the suspension. The suspension design for this year’s car must operate effectively without interfering with the steering and drivetrain designed by Walter Lackey. The suspension utilizes a transverse …
Orchard Bin Atv Trailer, Neil F. Leitz
Orchard Bin Atv Trailer, Neil F. Leitz
All Undergraduate Projects
A local orchardist was experiencing a problem that was being caused by their lack of apple picking bin moving equipment. The orchardist needed a well-engineered solution to this lack of equipment. The solution arrived at was a five bin trailer. There were multiple design requirements for this trailer, including the device needing to be able to interface with an ATV, be able to be loaded by hand, be able to carry five bins, and not exceed a budget of $750. While perfecting the design of the trailer, a number of different disciplines were utilized, which included dynamics, kinematics, static loading …
Grant County Public Utilities District - Rotor Pole Lifting Device, Baylie Johnson
Grant County Public Utilities District - Rotor Pole Lifting Device, Baylie Johnson
All Undergraduate Projects
Grant County Public Utilities District is planning a rehabilitation of all turbine and generator units at Priest Rapids Dam beginning in August 2016. After the generator rotor is removed from the unit, the rotor poles must be removed from the rotor. They are oriented vertically in the rotor and horizontally on the floor and in shipping containers. The objective of this project is to design, manufacture and test a lifting and a turning device for Priest Rapids Dam’s generator rotor poles. The lifting device was designed to attach a 3500 pound rotor pole to a crane and lift it. The …
Solar Water Heater: Mobile Stand, Tyson Nakamura
Solar Water Heater: Mobile Stand, Tyson Nakamura
All Undergraduate Projects
During the course of this project, a solar thermal collector and supporting stand were designed and manufactured to be used during Mechanical Engineering Technology labs. Students will be able to use the collector to heat water, with the sun being the only heat source. The collector was designed by calculating surface area limitations, estimated solar input, and desired efficiency, to find the required water flow rate. From there, the necessary pipe lengths and diameters were determined, and the solar thermal collector was constructed. Two pipe paths were manufactured: a curved path, and a manifold path. Students will be able to …
Jeep Wj Multipurpose Oversize Spare Tire Carrier, Caleb J. Marrs
Jeep Wj Multipurpose Oversize Spare Tire Carrier, Caleb J. Marrs
All Undergraduate Projects
OEM spare-tire wells have size limitations that only allow up to a certain size tire. However, the OEM tire well is not effective for the off-road enthusiast that needs an extra over size tire in case of an emergency. While off-roading it is important to be equipped with all the necessary tools and parts to get out safely because there is no roadside assistance off-road. The Jeep WJ is not a popular off road vehicle which means aftermarket accessories are not common. In order to optimize the space inside and out of the vehicle, a device is needed that will …
The Prosthetic Finger, Jose L. Garcia
The Prosthetic Finger, Jose L. Garcia
All Undergraduate Projects
While, some human beings are born normal others have lost limbs at birth or through an event in their life. The main focuses will be on designing and building a better prosthetic finger, to obtain at least 2 to 6 pounds of force when it’s contracted. Calculations and specifications were solved for first in order to build the prosthetic, as the prosthetic finger was compared to past prosthetics. The prosthetic finger was first constructed as a 3D model on SolidWorks to virtually test its movements and limitations. After, the prosthetic finger was tested virtually the components specified were either ordered, …
H.F. Hauff Pruner Housing & Ergonomics, Erich E. Heilman
H.F. Hauff Pruner Housing & Ergonomics, Erich E. Heilman
All Undergraduate Projects
The technology of electric tree pruners in the current agricultural market has many engineering problems, including; a deficit in power output, excessive overheating, and ergonomics. The 3-man pruner team has coordinated with H.F. Hauff Co. Inc., an agricultural equipment company owned by Neil Hauff, to produce an electric pruner prototype which addresses these problems. The methods used to design the optimal pruner prototype includes traditional engineering stress analysis, force flow analysis, finite element software, and Solidworks modeling software. The construction of the pruner involved manual machining methods and C.N.C. (Computerized Numerical Control) mill technology. During the design process, the team …
Paper Core Feeder System, Sergio Flores Velez
Paper Core Feeder System, Sergio Flores Velez
All Undergraduate Projects
Paragon Films has always strived to increase productivity and decrease waist within their company. The plant located in Union Gap, Washington currently has two production lines operating 24/7 managed by 2 to 3 people. The heavy line produces 5000 to 10000 revolutions per roll. This production line has a three part system that automatically feeds the paper cores to the spool shafts to roll the films. Therefore, the employees during that shift do not have to worry about filling up the bin very often. On the other hand, the second production line, which produces the hand films, does not have …
Multiple Apple Box Lift 1/10th Scale Model, Kyle J. Burlingame
Multiple Apple Box Lift 1/10th Scale Model, Kyle J. Burlingame
All Undergraduate Projects
Title and Author: 1/10th Scale Multiple Apple Box Lift by Kyle Burlingame (Engineering Technologies, Safety, and Construction) Abstract/Artist statement: A 1/10th scale Multiple Apple Box Lift was designed and built as a proof of concept for a full scale device. The Multiple Apple Box Lift was designed to meet a customer’s requirements and to be presented at SOURCE. This device lifts the top half of the stacked apple boxes on a pallet in order to allow access to the boxes in the middle of the stack. The device can be manually operated by two people while in-between narrow rows of …
H.F. Hauff Pruner Cutting System, Daniel J. Gibson
H.F. Hauff Pruner Cutting System, Daniel J. Gibson
All Undergraduate Projects
The technology of electric tree pruners in the current agricultural market has many engineering problems, including; a deficit in power output, excessive overheating, and ergonomics. The 3-man pruner team has coordinated with H.F. Hauff Co. Inc., an agricultural equipment company owned by Neil Hauff, to produce an electric pruner prototype which addresses these problems. The methods used to design the optimal pruner prototype includes traditional engineering stress analysis, force flow analysis, finite element software, and Solidworks modeling software. The construction of the pruner involved manual machining methods and C.N.C. (Computerized Numerical Control) mill technology. During the design process, the team …
Dynamometer Stabilizer, Derek A. Lamarche
Dynamometer Stabilizer, Derek A. Lamarche
All Undergraduate Projects
Overhauling the CWU small engine Dynamometer in the CWU power lab will make it more ridged during the measurement of power in these engines. The goal of the project is to have the dyno used in the Small engines class run by a staff member and to be run by the students. The dynamometer does not work within the specified limits making it impractical to perform during lab
H.F. Hauff Pruner - Power System, Thomas T. Wilson
H.F. Hauff Pruner - Power System, Thomas T. Wilson
All Undergraduate Projects
The technology of electric tree pruners in the current agricultural market has many engineering problems, including; a deficit in power output, excessive overheating, and ergonomics. The 3-man pruner team has coordinated with H.F. Hauff Co. Inc., an agricultural equipment company owned by Neil Hauff, to produce an electric pruner prototype which addresses these problems. The methods used to design the optimal pruner prototype includes traditional engineering stress analysis, force flow analysis, finite element software, and Solidworks modeling software. The construction of the pruner involved manual machining methods and C.N.C. (Computerized Numerical Control) mill technology. During the design process, the team …
The Design And Construction Of A Torque Measuring Arm For An Air Motor, Logan Dearinger
The Design And Construction Of A Torque Measuring Arm For An Air Motor, Logan Dearinger
All Undergraduate Projects
There is a system efficiency lab that sits in the thermodynamics lab of the Mechanical Engineering Technologies department. To expand this lab, a torque measuring device was needed to measure the torsional force that the pump exerts on the air motor. The expansion of this lab is important to give a better understanding of how the different mechanical parts effect the efficiency of the overall system. The first step in the expansion process was the design of a suitable torque measuring device. The most efficient design was a simple one with minimal moving parts. When the air motor is energized …
Rider's Aid, E-Bike Kit, Song Wang
Rider's Aid, E-Bike Kit, Song Wang
All Undergraduate Projects
When it comes to observing the schema of upgrading bicycles into a hybrid model, the existing model usually costs hundreds of dollars and more than one hour of installation since it requires the process of replacing a wheel or even purchasing a new bicycle. But in fact, it was not necessary to remove the original wheel because the key to achieve power drive could be taken as an external function added to the primitive bike. Under the conditions of retaining applicability and safety that transportation should never get rid of, this project was focusing on reducing budget and saving time …
Paper Airplane Building Machine: Paper Loading, Power Source, Machine Frame, Abdullah A. Aldakhail
Paper Airplane Building Machine: Paper Loading, Power Source, Machine Frame, Abdullah A. Aldakhail
All Undergraduate Projects
The project was motivated by an ASME 2016 design challenge. The challenge was to design and manufacture a device that would turn a single sheet of paper into a paper airplane and launch it. The project was divided into three portions. The proposal was biased on loading the paper into the machine, design and manufacture the machine frame and provide a reliable power source. A slow rpm motor was needed for the loading mechanism to prevent the paper from being damaged. To avoid any deflection in the frame, the total weight of the machine had to be considered. The shear …
The Pneumatic Leg Extension, David G. Sedano
The Pneumatic Leg Extension, David G. Sedano
All Undergraduate Projects
In recent years, reaching altitudes that are higher than your normal-height has evolved from pure amusement to an “in-demand” necessity out in the field. Means of achieving greater than normal height range from wooden poles to aluminum stilts. The era of ladders and other extension methods are slowly fading away. There are many designs in the market that focus on different factors to make a stilt. As other designs focus on one or two enhancements, the pneumatic leg extension’s objective is to improve all aspects of the stilt. This radical new design differs greatly from traditional stilt designs. The pneumatic …
Suspension For Electrathon Vehicle, Mackenzie Ericson Angeledes
Suspension For Electrathon Vehicle, Mackenzie Ericson Angeledes
All Undergraduate Projects
The purpose of this project was to develop a rear suspension system to support the frame of an Electrathon Vehicle. The vehicle is designed to compete in the Electrathon America competition on behalf of the Central Washington University Electric Vehicle Club. The suspension system was designed to use readily available parts sourced from manufacturers to keep the components serviceable. Using dynamic and static engineering analysis (spring equations, equations of equilibrium, stress calculations), the necessary custom components were designed. Space restrictions and limitations of the preexisting frame necessitated modifications, such as the straightness of the frame and the positioning of existing …
Ultra Light Split Board Bindings, Jared Van Putten
Ultra Light Split Board Bindings, Jared Van Putten
All Undergraduate Projects
A split board binding is used to link two halves of a theoretically cut in half snow board together and fasten an alpine touring boot used for both skiing and mountaineering in place. The binding is removable so that one can alpine tour uphill on skins and be assembled at the top so that the rider can link both halves of the board together and bind their alpine touring ski boot into place to the split board. The binding system is required to be ultra light for Alpine Touring purposes and still be strong enough to withstand the rigors of …