P18482: Manual Rock Drill
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Systems Design

Table of Contents

Team Vision for System-Level Design Phase

Plan:



Accomplishments:



Functional Decomposition

public/Systems Level Design Documents/Functional Decomposition.jpg

public/Systems Level Design Documents/Functional Decomposition.jpg

Benchmarking

One electric rotary hammer drill and two electric drills were tested experimentally on a rock.

The electric drills without the hammer motion were very slow and ineffective at drilling a hole in the rock. A 0.5" drill bit was tested and after 2 minutes of drilling the bit would not go deeper than 0.25".

The rotary hammer drill was much faster and easier to use. Using a 0.5" bit, we were able to drill about 1" deep in 1 minute. Using a 1 1/8" bit, we were able to drill about 1/8" deep in 30 seconds.

public/Systems Level Design Documents/Manufacturer Rotary Hammer Drill Info.JPG

public/Systems Level Design Documents/Manufacturer Rotary Hammer Drill Info.JPG

Feasibility: Prototyping, Analysis, Simulation

public/Systems Level Design Documents/Feasibility.JPG

public/Systems Level Design Documents/Feasibility.JPG

public/Systems Level Design Documents/Experimental Calc.PNG

public/Systems Level Design Documents/Experimental Calc.PNG

public/Systems Level Design Documents/Feasibility Calc .75in.PNG

public/Systems Level Design Documents/Feasibility Calc .75in.PNG

public/Systems Level Design Documents/Feasibility Calc 1in.PNG

public/Systems Level Design Documents/Feasibility Calc 1in.PNG

Morphological Chart, Concept Development and Concept Selection

public/Systems Level Design Documents/morphological chart image.png

public/Systems Level Design Documents/morphological chart image.png

[Document owned by Jillian Mammino]

Concept Selection

The team completed two different pugh charts:

Pugh Chart 1:

public/Systems Level Design Documents/pughchart_concept1.JPG

public/Systems Level Design Documents/pughchart_concept1.JPG

Pugh Chart 2:

public/Systems Level Design Documents/pughchart_concept2.JPG

public/Systems Level Design Documents/pughchart_concept2.JPG

It can be noted that in both charts, there is a design which ranks 0 (equal) to the datum chosen.

Systems Architecture

public/Systems Level Design Documents/Preliminary Drill Design.JPG

public/Systems Level Design Documents/Preliminary Drill Design.JPG

Designs and Flowcharts

public/Systems Level Design Documents/Block Diagram.jpg

public/Systems Level Design Documents/Block Diagram.jpg

Risk Assessment

public/Systems Level Design Documents/Risk Management Updated PNG.png

public/Systems Level Design Documents/Risk Management Updated PNG.png

Design Review Materials

Research compiled during this stage of the project can be found here

A screencap of the pre-read email send prior to the systems design review can be found here

Plans for next phase

public/Systems Level Design Documents/next steps for group.png

public/Systems Level Design Documents/next steps for group.png

Wyatt Schie here


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