Group 26 - Pressure Washer

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A pressure washer



MAE277 is a requirement for Aerospace and Mechanical Engineering at the University at Buffalo, taught by Erich Devendorf. The main purpose of this course is to familiarize students with design processes and methods. The Reverse Engineering Project is a prime example of what they should learn from the class. Throughout the project, students will learn how products are assembled by disassembling a specific product and analyzing its components. Over the length of the semester, students will work on five gates which will showcase the ongoing analysis of their products and test their knowledge of their products’ designs. It will reinforce key skills that engineers utilize daily.

Groups 25 and 26 were assigned a pressure washer. Rather than share the entire product between two groups, the product was divided into two. Group 25 is analyzing the compressor while group 26 analyzes the engine.

Executive Summary

For our dissection Group 26, in conjunction with group 25 received a power washer. Group 26 dissected the engine and this dissection and analysis is detailed in this wiki page.

Gate 1: Request for Proposal. This gate consists of the Work Proposal, in which we plan out our analysis. The Management Proposal, in which we lay out the management of our group. And the Initial Product Assessment where we analyze our product before dissecting it.

Gate 2: Preliminary Design Review. For this gate the product was disassembled. In this gate we had Causes for Corrective Action where we asses our work and management plans. We also provide a Product Dissection Plan which consists of step by step instructions on how the engine was disassembled.

Gate 3: Coordination Review. In the Component Summary we list all the different components of the engine including their function composition and manufacturing. As well we provide three Design Revisions which we believe would improve the product. A solid Model of a section of the engine is included, as well as an analysis of a specific section.

Gate 4: Product Reassembly Plan. In this gate we describe the reassembly of our engine.

Gate 5: Delivery. For this gate this Wiki page was completed as well as a Compliance Matrix. Our group also presented our dissection and analysis to the rest of the class.

We were successful in disassembling and reassembling our engine as well as anylizing it with only minor issues. The

details of our work can be found below.

Gate 1: Request for Proposal

This portion of the Reverse Engineering Project is designed to help the group become familiarized with the product, a pressure washer. A general work outline for the semester will be developed and will contain the following items: a work proposal, a management proposal, and an initial product assessment.

Work Proposal
Management Proposal
Initial Product Assessment

Gate 2: Preliminary Project Review

Causes for Corrective Action
Product Dissection Plan

Gate 3: Coordination Review

Component Summary
Design Revisions
Solid Modeled Assembly
Engineering Analysis

Gate 4: Critical Project Review

Product Reassembly Plan

Gate 5: Delivery