Date of Degree Completion
Mechanical Engineering Technology
Second Committee Member
Third Committee Member
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 consideration. With the use of the pin router duplicator, more than three guitar bodies will be produced in two hours, which will help with production goals. The methods that are used to arrive at the finished design are by using kinematics, stress, engineering, and static analysis. Free body diagrams, shear, and moment diagrams were used to calculate the reaction forces, in order to determine the appropriate thickness of the material. The final design that’s going to be used is a 4 bar linkage system. The final design resulted in relief of bottlenecks, which allows for increased production. By using these methods, the necessary components for the 4 bar linkage system are designed. As a result, the production process is faster by using the pin router duplicator compared to the CNC router.
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