College - Author 1
College of Engineering
Department - Author 1
Mechanical Engineering Department
Degree Name - Author 1
BS in Mechanical Engineering
College - Author 2
College of Engineering
Department - Author 2
Mechanical Engineering Department
Degree - Author 2
BS in Mechanical Engineering
College - Author 3
College of Engineering
Department - Author 3
Mechanical Engineering Department
Degree - Author 3
BS in Mechanical Engineering
College - Author 4
College of Engineering
Department - Author 4
Mechanical Engineering Department
Degree - Author 4
BS in Mechanical Engineering
Date
12-2022
Primary Advisor
Eileen Rossman, College of Engineering, Mechanical Engineering Department
Abstract/Summary
In the final steps of GAF’s shingle production process, small asphalt particles called fines are applied. Some fines adhere well to the shingle sheet, while others temporarily stick only to fall off the sheet further down the manufacturing line. As a result, the shingle plant floor is covered in fines that have fallen due to vibrations and gravity. The technicians and engineers at GAF want a cleaner working environment and to potentially reuse the loose fines. We are a senior project team that solved this problem by designing a system to remove and collect loose fines. In this document, the Senior Project Report, we fully describe our design process, final design, and results.
After extensive research and consultation with GAF, we defined the scope of the project and set specifications for our design. With these specifications, we used ideation methods to generate several possible solutions, which were narrowed down to our final concept. The final design consists of a rotating brush that spins against the motion of the shingle sheet to remove the loose asphalt fines into a collection system which then captures the removed fines. After testing a variety of bristles, we narrowed our selection to brushes made of Nylon 6-6. The final three bristle types we compared were 0.028” crimped, 0.028” level, and 0.022” level. With our system parameters of 4.5” long bristles, brush speed of 450 rpm, and overlap of approximately 0.07 inches, we recommend 0.022” level to GAF, but note that our testing was insufficient to conclude that the 0.022” level was definitively better. Furthermore, results from our testing suggests that any of the three types may satisfy our specifications. Longevity, overlap, and brush speed are all additional parameters that we recommend testing further.
URL: https://digitalcommons.calpoly.edu/mesp/690
Included in
Computer-Aided Engineering and Design Commons, Electro-Mechanical Systems Commons, Manufacturing Commons