Toaster

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| Plastic Casing
| Plastic Casing
| style="text-align: center;" | 1
| style="text-align: center;" | 1
-
| style="text-align: center;" | ??.? oz
+
| style="text-align: center;" | 224g
-
| Seperates the external heating mechanisms from the user.
+
| Seperates the internal heating mechanisms from the user.
| Polypropylene (PP)
| Polypropylene (PP)
| Injection Molded
| Injection Molded
-
| [[Image:toaster.jpg|100px]]
+
| [[Image:toaster-001.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 002
 +
| Crumb Tray
 +
| style="text-align: center;" | 1
 +
| style="text-align: center;" | 36g
 +
| Collects bread crumbs.
 +
| Aluminum
 +
| Stamp
 +
| [[Image:toaster-002.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 003
 +
| Crumb Tray Handle
 +
| style="text-align: center;" | 1
 +
| style="text-align: center;" | 10 g
 +
| Handle to pull out crumb tray.
 +
| Plastic
 +
| Injection Molded
 +
| [[Image:toaster-003.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 004
 +
| Toaster Loader Top
 +
| style="text-align: center;" | 1
 +
| style="text-align: center;" | 62g
 +
| Bread is loaded through slots.
 +
| Stainless Steel
 +
| Stamping, Deep Drawing
 +
| [[Image:toaster-004.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 005
 +
| Toaster Base
 +
| style="text-align: center;" | 1
 +
| style="text-align: center;" | 108g
 +
| Base of toaster.
 +
| Polypropylene (PP)
 +
| Injection Molding
 +
| [[Image:toaster-005.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 006
 +
| Regulator Knob
 +
| style="text-align: center;" | 1
 +
| style="text-align: center;" | 2g
 +
| Adjusts Toast time.
 +
| Polypropylene (PP)
 +
| Injection Molding
 +
| [[Image:toaster-006.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 007
 +
| Press handle
 +
| style="text-align: center;" | 1
 +
| style="text-align: center;" | 8g
 +
| Easy surface to press, to lower bread into toaster.
 +
| Polypropylene (PP)
 +
| Injection Molded
 +
| [[Image:toaster-007.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 008
 +
| Cancel button
 +
| style="text-align: center;" | 1
 +
| style="text-align: center;" | 2g
 +
| Cancels toast process
 +
| Polypropylene (PP)
 +
| Injection Molded
 +
| [[Image:toaster-008.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 009
 +
| Power Cord
 +
| style="text-align: center;" | 1
 +
| style="text-align: center;" | 12g
 +
| Used to power toaster
 +
| Rubber and Copper
 +
| Extrusion
 +
| [[Image:toaster-009.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 010
 +
| Ejection Assembly: Shaft
 +
| style="text-align: center;" | 1
 +
| style="text-align: center;" | 12g
 +
| Guide rail for ejection assembly
 +
| Steel
 +
| Extrusion
 +
| [[Image:toaster-010.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 011
 +
| Handle and Locking Part 1
 +
| style="text-align: center;" | 1
 +
| style="text-align: center;" | 18g
 +
| Assists in triggering toasting.
 +
| Steel
 +
| Stamped and Bent
 +
| [[Image:toaster-011.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 012
 +
| Handle and Locking Part 2
 +
| style="text-align: center;" | 6
 +
| style="text-align: center;" | 20g
 +
| Assists in triggering toasting.
 +
| Aluminum
 +
| Stamped
 +
| [[Image:toaster-012.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 013
 +
| Toast Shelf
 +
| style="text-align: center;" | 2
 +
| style="text-align: center;" | 10g
 +
| Holds toast in place
 +
| Aluminum
 +
| Bent
 +
| [[Image:toaster-013.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 014
 +
| Mystery Spring
 +
| style="text-align: center;" | 1
 +
| style="text-align: center;" | 1g
 +
| Used as a spacer, preventing ejection assembly from moving beyond a certain distance.
 +
| Steel
 +
| Extrusion
 +
| [[Image:toaster-014.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 015
 +
| Restoring Spring
 +
| style="text-align: center;" | 1
 +
| style="text-align: center;" | 4g
 +
| Restoring Spring
 +
| Steel
 +
| Extrusion
 +
| [[Image:toaster-015.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 016
 +
| Magnetic Lock Piece
 +
| style="text-align: center;" | 1
 +
| style="text-align: center;" | 8g
 +
| Attracts to magnet to lock the toasting shelf.
 +
| Steel
 +
| Stamped and Bent
 +
| [[Image:toaster-016.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 017
 +
| Insulating caps for locking mechanism.
 +
| style="text-align: center;" | 2
 +
| style="text-align: center;" | 2g
 +
| N/A
 +
| ABS
 +
| Injection Molding
 +
| [[Image:toaster-017.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 18
 +
| Shaft Spacer
 +
| style="text-align: center;" | 1
 +
| style="text-align: center;" | 2g
 +
| Spacer
 +
| ABS
 +
| Extrusion
 +
| [[Image:toaster-018.jpg|100px]]
 +
|-
 +
| style="text-align: center;" | 19
 +
| Trigger Switch
 +
| style="text-align: center;" | 1
 +
| style="text-align: center;" | 2
 +
| Triggers switch that activates the heating coils.
 +
| ABS
 +
| Injection Molding
 +
| [[Image:toaster-019.jpg|100px]]
|-
|-
|}
|}

Revision as of 16:50, 19 September 2008

Contents

Executive Summary

Stakeholders and Stakeholder needs

Suppliers

Company Owner

Customers/Public

Product Function

Assembly Components

Part Number Name Qty. Weight Function Material Maunfacturing Process Image
001 Plastic Casing 1 224g Seperates the internal heating mechanisms from the user. Polypropylene (PP) Injection Molded
002 Crumb Tray 1 36g Collects bread crumbs. Aluminum Stamp
003 Crumb Tray Handle 1 10 g Handle to pull out crumb tray. Plastic Injection Molded
004 Toaster Loader Top 1 62g Bread is loaded through slots. Stainless Steel Stamping, Deep Drawing
005 Toaster Base 1 108g Base of toaster. Polypropylene (PP) Injection Molding
006 Regulator Knob 1 2g Adjusts Toast time. Polypropylene (PP) Injection Molding
007 Press handle 1 8g Easy surface to press, to lower bread into toaster. Polypropylene (PP) Injection Molded
008 Cancel button 1 2g Cancels toast process Polypropylene (PP) Injection Molded
009 Power Cord 1 12g Used to power toaster Rubber and Copper Extrusion
010 Ejection Assembly: Shaft 1 12g Guide rail for ejection assembly Steel Extrusion
011 Handle and Locking Part 1 1 18g Assists in triggering toasting. Steel Stamped and Bent
012 Handle and Locking Part 2 6 20g Assists in triggering toasting. Aluminum Stamped
013 Toast Shelf 2 10g Holds toast in place Aluminum Bent
014 Mystery Spring 1 1g Used as a spacer, preventing ejection assembly from moving beyond a certain distance. Steel Extrusion
015 Restoring Spring 1 4g Restoring Spring Steel Extrusion
016 Magnetic Lock Piece 1 8g Attracts to magnet to lock the toasting shelf. Steel Stamped and Bent
017 Insulating caps for locking mechanism. 2 2g N/A ABS Injection Molding
18 Shaft Spacer 1 2g Spacer ABS Extrusion
19 Trigger Switch 1 2 Triggers switch that activates the heating coils. ABS Injection Molding

DFMA Analysis

FMEA Analysis

DFE Analysis

Mechanical Analysis

References

Matthew McHenry, ECE Undergraduate Student 2009

Degentesh, Drew. "Metal Processing." 24-443: Design for Manufacture. Carnegie Mellon University. 11 Sept. 2008.

Degentesh, Drew. "Injection Molding." 24-443: Design for Manufacture. Carnegie Mellon University. 4 Sept. 2008.

Degentesh, Drew. "Plastics Processing." 24-443: Design for Manufacture. Carnegie Mellon University. 2 Sept. 2008.

DFM Textbook (will be updated)

Team Members

Leigh Fortenberry Jon Goettler Akshay Jayaram Ian Price
Worked on DFMA, usability study, Stakeholder's needs Worked on FMEA, Mechanical Analysis, analysis of timing system Worked on Component List, Executive Summary Worked on DFE, Product and System Function
Retrieved from "http://wiki.ece.cmu.edu/ddl/index.php/Toaster"
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