senior design:kong toy instruction-manual insertion
TRANSCRIPT
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The University of AkronIdeaExchange@UAkron
Honors Research Projects The Dr. Gary B. and Pamela S. Williams HonorsCollege
Spring 2015
Senior Design:KONG Toy Instruction-ManualInsertionAshley N. CuthbertUniversity of Akron Main Campus, [email protected]
Rachael L. InnocenziThe University Of Akron, [email protected]
Marianna R. SmithThe University Of Akron, [email protected]
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Part of the Electro-Mechanical Systems Commons, and the Manufacturing Commons
This Honors Research Project is brought to you for free and open access by The Dr. Gary B. and Pamela S. WilliamsHonors College at IdeaExchange@UAkron, the institutional repository of The University of Akron in Akron, Ohio,USA. It has been accepted for inclusion in Honors Research Projects by an authorized administrator ofIdeaExchange@UAkron. For more information, please contact [email protected], [email protected].
Recommended CitationCuthbert, Ashley N.; Innocenzi, Rachael L.; and Smith, Marianna R., "Senior Design:KONG Toy Instruction-Manual Insertion" (2015). Honors Research Projects. 45.http://ideaexchange.uakron.edu/honors_research_projects/45
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SENIOR DESIGN:KONG TOY INSTRUCTION-MANUAL INSERTION F O R W E A V E R I N D U S T R I E S
G R O U P M E M B E R S : A S H L E Y C U T H B E R T, R A C H A E L I N N O C E N Z I , M A R I A N N A S M I T H
P R O J E C T A D V I S O R : D R . J E R R Y D R U M M O N D
M a y 1 , 2 0 1 5
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Overview
Introduction
Problem Definition
Design Description
Evaluation
Recommendations
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Introduction
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WEAVER INDUSTRIESFounded in 1971 as a non-profit organization.
Provides vocational training and employment opportunities for individuals with developmental disabilities.
The Cuyahoga Falls Facility◦ Packages dog chew toys for Kong
Company
◦ 6 million+ Kong toys manually packaged at this facility per year
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Problem Definition
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Current Packaging Method◦ Instruction manuals are inserted into the cardstock by hand
before the toys are packaged (Figure 1).
Figure 1
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Project Scope
ISSUE
• Limited Dexterity
• Limited Motor Control
OBJECTIVE
• Design & Build a TOOL
• To enhance ease of procedure for employees
REVISED OBJECTIVE
• Design & Build an AUTOMATED MECHANISM
• To enhance ease of procedure for employees
• To enhance speed & efficiency of procedure
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Design Requirements1. Adjustable for different size
packaging
2. Automate manual insertion process
3. Increase current production rates per employee
4. Minimize cost to manufacture
5. Protect employees from pinch points and electrical components
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DeliverablesDesign
Requirement
Importance Units Minimum Goal Ideal Goal
1. Adjustable for different
size packaging Medium Inches Provided Cardstock SizeMin:
6.5” x 4”
Max:
9.5” x 6”
2. Automate manual
insertion processHigh
Pass /
Fail
Activated manual
insertion by push-
button, manual
removal of cardstock.
Activated insertion by
push-button and
removal of cardstock.
3. Increase current
production rates per
employeeHigh
Manuals
/ Min7.7 10
4. Minimized cost to
manufactureHigh Dollars Within $500 Budget Less than $250
5. Employees protected
from pinch points and
electrical componentsHigh
Pass /
Fail
Electrical components are
covered, wedge
mechanism is covered and
e-stop is in place.
Component is completely
sealed and only needs to
be opened to re-fill
manuals and cardstock
packaging.
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Design Description
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DESIGN #1PROS:
• Manual
• Use of only (1) hand
• Holds multiplecardstock
CONS:
• Not automated
• Does not hold multiple instruction manuals
Figure 1
The operator would manually slide the arm into the cardstock and open the cardstock via rotation of the tapered flag on the end of the tool.
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DESIGN #2PROS:
• Automated
• Use of (1) hand
• Holds multiple cardstock
• Holds multipleinstruction manuals
CONS:
• Slider mechanism more complicated to design
• Reduced ease of speed variability
Figure 2
The operator would press a button that causes one rotation of the wheel to insert one instruction manual. The operator then removes the “stuffed”
cardstock and begins the process again.
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DESIGN #3PROS:
• Automated
• Use of (1) hand
• Holds multiple cardstock
• Holds multipleinstruction manuals
• Enhanced speed variability
SELECTED FOR BUILD Figure 3
This design utilizes a rack & pinion set-up above the work bench.
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Figure 4
This design utilizes a rack & pinion set-up above the work bench.
DESIGN #3PROS:
• Automated
• Use of (1) hand
• Holds multiple cardstock
• Holds multipleinstruction manuals
• Enhanced speed variability
SELECTED FOR BUILD
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DESIGN #3PROS:
• Automated
• Use of (1) hand
• Holds multiple cardstock
• Holds multipleinstruction manuals
• Enhanced speed variability
BUILT
Figure 5
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Table1. Table Stand
2. Instruction Manual Box
3. Packaging Cardstock Box
1
2
3
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Mechanism1. Wedge
2. Rack & Pinion
3. Stepper Motor
1
3
2
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ControlsHardware
1. Microcontroller
2. Stepper Motor
3. Push-Button
4. Arduino Uno
4
1
2
3
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Controls2. Software – Code Function Block
Definitions
• Input – Push Button
• Output – Motor Step
• Output – Motor Direction
“rotateDegree”
Command
• Rotate shaft CW 410° at a speed of 0.05
• Wait 1 sec
• Rotate shaft CC 410° at a speed of 0.1
• Wait 1 sec
Application
• Press Push-button (completes circuit)
• Runs “rotateDegree” command ONCE
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Evaluation
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Final Prototype
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Final Prototype
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Evaluation ResultsDesign
Requirement
Importance Units Minimum Goal Ideal Goal Test Method Status
1. Adjustable for different size packaging
Medium InchesDim’s of cardstock we
were given
Min:
6.5” x 4”
Max:
9.5” x 6”Adjustable boxes PASS
2. Automate manual
insertion processHigh
Pass /
Fail
Activated manual
insertion by push-
button, manual
removal or cardstock.
Activated insertion by
push-button and
removal of cardstock.
Wedge inserts
manual without
human
interaction
PENDING
3. Increase current
production rates per
employee
HighManual
/ Min7.7 10 PENDING PENDING
4. Minimize cost to
manufactureMedium Dollars Within $500 Budget Less than $250 $400 PASS
5. Employees
protected from pinch
points and electrical
components
HighPass /
Fail
Electrical components
are covered, wedge
mechanism is covered
and e-stop is in place.
Component is
completely seal and
only needs to be
opened to re-fill
manuals and cardstock
packaging.
PENDING PENDING
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Next Steps…Material Selection
◦ Current: economical and workable◦ Suggested: use aluminum to tighten tolerances & re-design spring locations
Mechanism (Motor/Wedge/Rack & Pinion)◦ Current: lightweight, durable & easy to install◦ Suggested: stronger motor & additional wedge iterations
Controls◦ Current: simple, long life & adaptable◦ Suggested: add emergency stop
Further Automation◦ Removal of card ◦ Holding card in place during insertion◦ Continuous cycle vs. one-time cycle
Ease of Loading Cards & Instructions
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THANK YOU!
Contact Information:◦ Marianna Smith [email protected]
◦ Ashley Cuthbert [email protected]
◦ Rachael Innocenzi [email protected]
◦ Dr. Jerry Drummond [email protected]
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Appendix
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Appendix – Responsibilities
Task Lead
Initial Project Design All
Concept Drawings Rachael Innocenzi
Electrical & Instrumentation Ashley Cuthbert
Construction Marianna Smith
Testing & Evaluation All
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Appendix – Part DrawingsPlease note:
The following part drawings were created before production. As the build progressed, dimensions were changed and components were added as needed.
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Appendix – Part DrawingsTable Top
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Appendix – Final Concept Drawings (1)
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Appendix – Final Concept Drawings (2)
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Appendix – Final Concept Drawings (3)
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Appendix – Final Concept Drawings (4)
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Appendix – Part DrawingsTable Top
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Appendix – Instruction Manual Box Drawings (1)
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Appendix – Instruction Manual Box Drawings (2)
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Appendix – Instruction Manual Box Drawings (3)
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Appendix – Cardstock Box Drawings (1)
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Appendix – Cardstock Box Drawings (2)
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Appendix – Cardstock Box Drawings (3)
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Appendix – Part DrawingsStepper Motor
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Appendix – SchematicMicrocontroller
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Appendix – SchematicMotor Controller
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Appendix - Code//////////////////////////////////////////////////////////////////
//©2011 bildr
//Released under the MIT License - Please reuse change and share
//Using the easy stepper with your arduino
//use rotate and/or rotateDeg to controll stepper motor
//speed is any number from .01 -> 1 with 1 being fastest -
//Slower Speed == Stronger movement
/////////////////////////////////////////////////////////////////
#define DIR_PIN 2
#define STEP_PIN 3
const int BUTTON_PIN = 12; // variable for push button pin
int buttonstate = 0; // variable for push button status
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Appendix – Code (cont’d)void rotateDeg(float deg, float speed){
//rotate a specific number of degrees (negitive for reverse movement)
//speed is any number from .01 -> 1 with 1 being fastest - Slower is stronger
int dir = (deg > 0)? HIGH:LOW;
digitalWrite(DIR_PIN,dir);
int steps = abs(deg)*(1/0.225);
float usDelay = (1/speed) * 70;
for(int i=0; i < steps; i++){
digitalWrite(STEP_PIN, HIGH);
delayMicroseconds(usDelay);
digitalWrite(STEP_PIN, LOW);
delayMicroseconds(usDelay);
}
}
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Appendix – Code (cont’d)void setup() {
pinMode(DIR_PIN, OUTPUT);
pinMode(STEP_PIN, OUTPUT);
pinMode(BUTTON_PIN, INPUT);
}
//This example code is in the public domain.
//"switch code" from the rduinoclassroom.com (Smiley)
void loop(){
// Get the state of the push button
buttonstate = digitalRead(BUTTON_PIN);
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Appendix – Code (cont’d)//Ask, "is the button pressed?"
//If YES, the buttonstate is HIGH.
if (buttonstate == HIGH){
//rotate a specific number of degrees
rotateDeg(-410, 0.05);
delay(1000);
rotateDeg(410, 0.1); //reverse
delay(1000);
}
}
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Appendix – Wiring Diagram
Note: The picture to the left shows the simple schematic for powering the stepper motor. In order to power the Arduino Uno from the wall connection also, connect wires from the “GND” and “+5V” of the Easy Driver to the “GND” and “5V” of the Arduino Uno.
To insert the button into the controls, we used the concept shown in the picture above and taken from the tutorial on the Arduino Environment website (http://www.arduino.cc/en/Tutorial/Pushbutton) However, the button pin connection was changed to position 12 on the Arduino Uno.
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Appendix –Materials & Suppliers
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Appendix –Materials & Suppliers