Golma Corp is faced with the task of making improvements to the loading frame produced by Division by Zero’s loading frame in last year’s capstone for Lawrence Livermore National Laboratory (LLNL). Working closely with staff and faculty of the University and the engineers at LLNL, Golma Corp intends to finish making improvements to the load frame which are worthwhile and effective at improving the functionality and overall usability of the device.
Proof of Concept
The load frame that Golma Corp will be working on belongs to LLNL. The load frame that Golma Corp will be competing will be against last year’s capstone group that initially created the load frame for LLNL and a company called Instron that makes load frames. Golma Corp have created and brainstormed ideas the will improve stability, usability, and performance to last year’s capstone’s load frame.
As discussed with Mr. Maus, Golma Corp will be creating 5 sets of detailed instructions for normal loading of the load frame, pneumatic motor integration and efficiency, reducing the systems internal static friction, improving the efficiency of power transfer between the crank shaft and the drive shaft and improving the movability of the load frame.
For the time being, it is agreed upon that each improvement will include a BOM, proof that the improvement method will create worthwhile results with calculations, a procedure of operation for the new improvement, and an experiment which will quantify each improvements driving issue. (For example, to reduce the systems overall internal static friction, a method to test how much internal static friction present in DBZ’s design should be created and carried out, with its findings presented in the report.) This will function as Golma Corps equivalent for the POC in LLNL’s improvement-based project continuation from last year.
Each member will devise methods to quantify the driving issue behind their improvement and further quantify it for comparison at a later date. In addition, each member must also describe how they intend to integrate their solution, what it will do and how said improvement should be used in a standard operating procedure manual. Finally, each member will create a BOM for their respective improvements.
This form of POC demonstrates students’ ability to devise worthwhile experiments and their ability to think critically. This POC will be used in the real world as part of the final products user manual. Which will outline the methods to be used to ensure that each of these respective improvements are functioning up to their desired tolerances and will be replicable tests and procedures.
Since an adapted POC agreement has been made, Golma Corp has opted to provide a drawing of the assembly of the Loading Frame. Each of the respective improvements will add on to or modify this base design in some manner.
The purpose of this project is to update a load frame with improvements to certain sub-functions. The main five sub-functions that were focused on were: Normality, Mobility, Power Transfer, Usability, and Reducing Friction.
- For improving the Normality of the load frame, the old design for setting the crosshead will be replaced with a new system for setting the crosshead. The new design will use gauge cylinders to set the crosshead normal to the baseplate without relying on human input.
- The mobility of the load frame will require another air bearing, thus, needing three air bearings to be installed. To add another air bearing, the drive side foot of the load frame will have its length increased to 18 inches and two air bearings will be installed at each end.
- To improve the Power Transfer, being distributed on the load frame, is by changing the previous gear system to a gearbox. The purpose is to have a constant torque on the output shaft, while the input shaft will move faster by the user and the input will have less torque. By changing the gear system to a gearbox, this will ensure that Lawrence Livermore National Labs (LLNL) will be able to move the crosshead up and down the load frame with a lower user input torque.
- The plan to improve the Usability, is by changing the whole hand crank design so lowering/raising the crosshead will be easier for the operator. The new hand crank will be detachable and have the ability to be rotated by a pneumatic drill.
- To reduce the internal friction of the load tester, the belt subsystem is going to be modified into a chain subsystem with accompanying sprockets that will transfer the power from the driveside lead screw to the non-drive side lead screw. Additionally, the ACME screws currently in place for the lead screws are going to be changed into ball screws in order to reduce the amount of internal friction inside of the system.
Implementing all these improvements will be beneficial for LLNL, as their previous design has been improved and modernized, which gives them more equipment capabilities to use, modify, and create lab specimens.
Testing and Results
Meet the Team
Despite being in the process of completing my team and I’s capstone project, I have been challenged multiple times so far in the project. Stepping up as my teams group leader and making myself personally responsible for editing, formatting and the outward communication of the team in addition to scheduling soft deadlines while still doing group work too has been a great challenge to me. Despite this, I feel as though I have done a fantastic job at doing it all so far, and plan to continue doing so. Aside from the direct skills, these challenges have helped me become a more confident engineer; one who has worthwhile ideas and solutions to offer. A time I successfully identified problems through analyzation has been nearly every day. My supervisor position in the University of Nevada, Reno’s Manufacturing Lab frequently places me in situations which require analysis and forethought.
I am from Las Vegas, Nevada and my current personal goals include improving my skill at playing the piano, graduating with my degree while still being 21, and securing a job after graduation which will help me make my dream into a reality.
(My dream is to change the world for the better someday through my engineering.)
I am from Reno, Nevada and currently attending at the University of Nevada, Reno and I am majoring in Mechanical Engineering. The most challenging engineering project that I have been involved with would the K-12 project for ENRG 301 Communications. There were many challenges that I had to go through such as typing a lot of papers, organizing meetings and plans, and presenting. Presenting in front of people is not my strong side and having to present many times in Communications was not easy for me. However, having to present frequently did help me a lot as I do not get too nervous; there is always room for improvement on my presentation skills. My goal for myself when I graduate in Spring 2019 is to work as a Design Engineer or Manufacturing Engineer in a large city.
When I am not in school, I like to spend my time working with computers and learning about new technology. I enjoy building computers, I built two personal computers and built more for my friends and others.
I am from Stockton, California and currently attending the University of Nevada, Reno and pursuing my Bachelor’s degree in Mechanical Engineering with a minor in Mathematics. I have been involved with many projects throughout my college career. One engineering project that I have been a part of was creating a wooden bridge to be tested of the load it can handle. I have acquired skills in many programs, such as, Matlab, Solidworks, and LabView and improved my teamwork and decision making skills over the years. Outside of school I play rugby for the university and went to nationals with the team last year which is now ranked among the top ten of our division. For me, I define problems that may occur in my everyday life with a simple task of changing the oil in a car. When thinking about changing oil in a car I think about the problems that may arise such as the oil spilling and what is needed to prevent it from spilling such as controlling the flow of the oil. My goals in school for now consist of graduating in spring and passing my FE exam and my goal out of school is to play a new position in rugby. After graduation, I plan of creating a company that works with the military to design new equipment to better protect our troops out on the field.
I have part of a K-12 Educational Plan for my Engineering Communication class to teach a sixth grade classroom the principles of a wind turbine. During my academic career I have developed computer programming skills in engineering applications such as Solidworks, Matlab, Minitab, and etc. Outside of school I have been accomplished leadership skills as an Assistant Supervisor by working for the University of Nevada, Reno. During the summer I was in charge on coming up with solutions on broken and defect home appliances. To do so I use engineering skills to define what the problem was on the appliances, come up with making alternate and new design concepts, test out my solution, and present it to be used in consumer’s houses.
I am from Bakersfield, California and my current goal is to finish off my 5 years of college education at the University of Nevada, Reno with a Bachelor’s Degree in Mechanical Engineering with an Associate’s Degree in Renewable Energy. My goal after graduation is to pursuit a career in the renewable energy field back in Bakersfield, California.
Tyrone Abrigonde is originally from Reno, Nevada and currently pursuing his Bachelor’s Degree in Mechanical Engineering with a minor in Mathematics. Tyrone has been a part of many engineering group projects that he has enjoyed and learned from. His first project in college was constructing a hovercraft which helped shape his decision-making skills, while establishing his understanding of how to work with a team in order to accomplish a certain goal. In addition, this project introduced Tyrone to the computer program, LabView, which he later used in future classes. Tyrone brought his new acquired skills to a new class, ME 151, where him and his teammates were assigned to make multiple projects in one semester. The class helped improve his skills in LabView, as he was making codes for miniature robots, and introduced him to another computer program, SolidWorks. These experiences helped Tyrone when he took the Engineer Communications course, as he had to define a problem in the K-12 curriculum and design a solution for that problem. Communications also helped Tyrone improve his communication and presenting skills. Outside of school, Tyrone coaches and referees’ children in soccer and finds joy in it as he likes to help people improve themselves and their skills. Tyrone’s future goals are to pursue a career in the mechanical engineering field anywhere that it takes him.