Water gun

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== Bill of Materials ==
== Bill of Materials ==
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{| class="wikitable" border="1" cellspacing="0" align="center" style="text-align:center"
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! colspan="9" style="background:#efefef;" | Dough Dispenser Cup Assembly
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|-
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!Part Number !! Name !! QTY !! Weight (g) !! Function !! Material !! Manufacturing Process !! Image
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|-
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| 001||Shell:side A||1||110.5||Cases the assembly together||Plastic||Injection molding||[[Image:1.jpg | 100x100px]]
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|-
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| 002||Dispenser support||1||19||Guides the plunger for straight release||Plastic||Injection molding||[[Image:002_1.jpg | 100x100px]]
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|-
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| 003||Dispenser plunger||1||9||Pushes the dough from the cup into the machine||Plastic||Injection molding||[[Image:003.jpg | 100x100px]]
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|-
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| 004||Dispenser funnel||1||27||Guides the dough to the hole in the cup||Plastic||Injection molding||[[Image:004_1.jpg | 100x100px]]
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|-
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| 005||Dispenser stop||1||4||Stops the dough from leaving dispenser and gives the doughnut its "hole"||Plastic||Injection molding||[[Image:006.jpg | 100x100px]]
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|-
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| 006||Dispenser cup||1||122||Holds the dough for dispensing ||Plastic||Injection molding||[[Image:005.jpg | 100x100px]]
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|-
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! colspan="8" style="background:#efefef;" | Dispenser Motor and Conveyer Motor Assembly
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|-
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!Part Number !! Name !! QTY !! Weight (g) !! Function !! Material !! Manufacturing Process !! Image
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|-
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| 007||Doughnut Dispenser Motor Casing||1||23||Covers and protects the two switches connected to the housing||Plastic||Injection molding||[[Image:049.jpg | 100x100px]]
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|-
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| 008||Dispenser motor||1||204||Drives the dispenser assembly||N/A||Purchased part||[[Image:046.jpg | 100x100px]]
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|-
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| 009||Motor rotational output||1||4||Connects to the motor and rotates with it||Plastic||Injection molding||[[Image:021.jpg | 100x100px]]
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|-
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| 010||Dispenser motor guide||1||11||Moved by motor to push the dispenser spring down||Plastic||Injection molding||[[Image:020.jpg | 100x100px]]
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|-
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| 011||Dispenser motor housing||1||113||Houses and protects the dispenser motor assembly||Plastic||Injection molding||[[Image:047.jpg | 100x100px]]
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|-
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| 012||Dispenser motor switch 1||1||5||Alerts for dough release||N/A||Purchased part||[[Image:053.jpg | 100x100px]]
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|-
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| 013||Dispenser motor switch 2||1||5||Halts the dispensing process||N/A||Purchased part||[[Image:054.jpg | 100x100px]]
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|-
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| 014||Dispenser switch housing||1||4||Positions switch to alert for dough release||Plastic||Injection molding||[[Image:045.jpg | 100x100px]]
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|-
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| 015||Capacitor||2||5||Stores electrical charge||N/A||Purchased part||[[Image:055.jpg | 100x100px]]
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|-
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| 016||Doughnut dispenser motor cover||1||52||Gives access to and protects the motor||Plastic||Injection molding||[[Image:012.jpg | 100x100px]]
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|-
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| 017||Dispenser motor latch||1||4||Secures and aligns the motor dispenser assembly||Plastic||Injection molding||[[Image:014.jpg | 100x100px]]
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|-
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| 018||Conveyor belt motor||1||219||Drives the conveyor belt assembly||N/A||Purchased part||[[Image:051_1.jpg | 100x100px]]
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|-
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| 019||Drive gear 2||1||4||Moved by the motor and translates motion to conveyor gear||Plastic||Injection molding||[[Image:036.jpg | 100x100px]]
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|-
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| 020||Conveyor motor switch 1||2||23||Connects and controls dials||N/A||Purchased part||[[Image:052.jpg | 100x100px]]
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|-
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| 021||Motor switch holder||1||10||Holds the switch and cradles the motor||Plastic||Injection molding||[[Image:048.jpg | 100x100px]]
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|-
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| 022||Adjustment Knob||2||6||Used to open and close the oil drain.||Plastic||Injection molding||[[Image:040_1.jpg | 100x100px]]
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|-
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| 023||Wire guide||1||0.5||Secures wires to housing||Steel||Stamping||[[Image:037_1.jpg | 100x100px]]
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|-
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| 024||Power jack||1||15||Connects to power cord||N/A||Purchased part||[[Image:056.jpg | 100x100px]]
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|-
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| 025||Power jack housing||1||5||Covers and protects the power jack||Plastic||Injection molding||[[Image:057.jpg | 100x100px]]
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|-
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! colspan="8" style="background:#efefef;" | Conveyor Belt Assembly
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|-
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!Part Number !! Name !! QTY !! Weight (g) !! Function !! Material !! Manufacturing Process !! Image
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|-
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| 026||Belt motor gear||1||14||Translates motion from motor to conveyor belt||Plastic||Injection molding||[[Image:031.jpg | 100x100px]]
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|-
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| rowspan=2 | 027|| rowspan=2 | Conveyor belt link sub-assembly||60 links with 60 rivets||rowspan=2|127||Driven by the motor to move doughnuts through system.||Plastic||Injection molding||[[Image:026_1.jpg | 100x100px]]
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|-
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|4||Alerts the motor to release the dough||Plastic||Injection molding||[[Image:027.jpg | 100x100px]]
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|-
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| rowspan=2 | 028|| rowspan=2 | Doughnut carriage sub-assembly||4||rowspan=2|27||Used to carry doughnuts through the system during operation||Aluminum alloy||Punching then Stamping then Welding||[[Image:022_0.jpg | 100x100px]]
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|-
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|4||Connects carriage to conveyor belt||Plastic||Injection molding||[[Image:022_1.jpg | 100x100px]]
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|-
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| 029||Conveyor belt holder||2||0.5||Guides and supports the conveyor system in its cycle||Plastic||Injection molding||[[Image:021_1.jpg | 100x100px]]
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|-
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| 030||Conveyor belt gear (doughnut side)||1||85||Rotates and moves conveyor belt system||Plastic||Injection molding||[[Image:024.jpg | 100x100px]]
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|-
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| 031||Conveyor belt gear (dough side)||1||109||Rotates and moves conveyor belt system||Plastic||Injection molding||[[Image:025.jpg | 100x100px]]
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|-
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| 032||Belt gear washers, thick||2||5||Holds belt gears in place||Steel||Punching||[[Image:023_1.jpg | 100x100px]]
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|-
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| 033||Belt gear washers, thin||2||2||Separates the belt gear from back housing||Steel||Punching||[[Image:030.jpg | 100x100px]]
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|-
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| 034||Belt guides||2||14||Guides the belt on lower portion of the cycle||Plastic||Injection molding||[[Image:028.jpg | 100x100px]]
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|-
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| 035||Yellow Washer, belt guide||3||0.25||Separates the belt guide from housing||Plastic||Injection molding||[[Image:029.jpg | 100x100px]]
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|-
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! colspan="8" style="background:#efefef;" | Oil System Assembly
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|-
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!Part Number !! Name !! QTY !! Weight (g) !! Function !! Material !! Manufacturing Process !! Image
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|-
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| rowspan=3 | 036 || rowspan=3 | Oil bath sub-assembly||1|| rowspan=3|323||Flips donuts to opposite side||Steel||Cut then drawn||[[Image:033.jpg | 100x100px]]
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|-
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|1||Fills with oil and becomes very hot.||Aluminum Alloy||Drawing then cutting||[[Image:033_1.jpg | 100x100px]]
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|-
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|1||Causes the oil bath tub to become hot.||N/A||Purchased part||[[Image:033_2.jpg | 100x100px]]
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|-
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| 037||Oil bath supports||4||6||Holds the oil bath in place||Plastic||Injection molding||[[Image:034.jpg | 100x100px]]
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|-
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| 038||Temperature controller bracket||1||13||Connects heating element to the oil bath||Steel||Stamping||[[Image:035.jpg | 100x100px]]
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|-
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| 039||Temperature controller||1||20||Regulates the heating element||N/A||Purchased part||[[Image:035_1.jpg | 100x100px]]
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|-
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| 040||Knob housing||1||32||Protects oil drain components and user||Plastic||Injection molding||[[Image:040.jpg | 100x100px]]
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|-
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| 041||Drain switch cover||1||12||Protects from accidentally enabling the drain switch||Plastic||Injection molding||[[Image:015.jpg | 100px]]
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|-
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| 042||Adjustment Knob||1||6||Used to open and close the oil drain.||Plastic||Injection molding||[[Image:040_1.jpg | 100x100px]]
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|-
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| 043||Dial connector||1||3||Translates knob movement through the housing||Plastic||Injection molding||[[Image:039.jpg | 100x100px]]
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|-
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| 044||Drain lever||1||6||Used for securing switch in both positions||Plastic||Injection molding||[[Image:038.jpg | 100x100px]]
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|-
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| 045||Oil drain valve mount||1||4||Mounts the drain in appropriate location||Plastic||Injection molding||[[Image:041.jpg | 100x100px]]
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|-
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| 046||Oil drain valve||1||33||Controls the flow of the oil||Brass||Purchased part||[[Image:042.jpg | 100x100px]]
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|-
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| 047||Oil drain tube||1||2||Channels the flow of the oil||Rubber||Purchased part||[[Image:043.jpg | 100x100px]]
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|-
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| 048||Oil drain tube clamp||2||.5||Secures the tube onto the valve and drain||Steel||Purchased part||[[Image:044.jpg | 100x100px]]
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|-
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| 049||Oil collection tray||1||237||Collects the oil that drains after use||Plastic||Injection molding||[[Image:017.jpg | 100x100px]]
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| 050||Oil collection tray guide||1||7||Guides the oil collection tray into place.||Plastic||Injection molding||[[Image:017_1.jpg | 100x100px]]
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|-
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! colspan="8" style="background:#efefef;" | Exterior Panel Assembly
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|-
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!Part Number !! Name !! QTY !! Weight (g) !! Function !! Material !! Manufacturing Process !! Image
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|-
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| 051||Front panel||1||1160||Protects the inside machinery from the outside||Plastic||Injection molding||[[Image:050.jpg | 100x100px]]
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|-
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| 052||Back panel||1||1160||Protects the inside machinery from the outside||Plastic||Injection molding||[[Image:032.jpg | 100x100px]]
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|-
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| 053||Top window 1||1||55||Allows heat to escape when opened during production||Plastic||Injection molding||[[Image:016.jpg | 100px]]
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| 054||Top window 2||1||123||Cannot be opened. Allows user to view doughnut production||Plastic||Injection molding||[[Image:018.jpg | 100px]]
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|-
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! colspan="8" style="background:#efefef;" | Miscellaneous Components
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|-
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!Part Number !! Name !! QTY !! Weight (g) !! Function !! Material !! Manufacturing Process !! Image
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|-
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| 055||Power cord||1||107||Connects to the outlet and supplies power to the machine||N/A||Purchased part||[[Image:007.jpg | 100x100px]]
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| 056||Measuring cup||1||27||Used to measure out correct amount of ingredients||Plastic||Injection molding||[[Image:008.jpg | 100x100px]]
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| 057||Doughnut slide||1||36||Removes doughnut from machine and into the doughnut bin||Plastic||Injection molding||[[Image:009.jpg | 100x100px]]
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| 058||Doughnut bin with oil drain||1||100||Collects doughnuts after production and drains oil off doughnuts after production||Plastic||Injection molding||[[Image:010.jpg | 100x100px]]
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| 059||Doughnut cover feet||4||3||Contacts surface||Plastic||Injection molding||[[Image:013.jpg | 100x100px]]
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|}
===Main Components===
===Main Components===
===Additional Parts===
===Additional Parts===

Revision as of 14:30, 5 February 2011


Contents

Executive Summary

Bill of Materials

Dough Dispenser Cup Assembly
Part Number Name QTY Weight (g) Function Material Manufacturing Process Image
001Shell:side A1110.5Cases the assembly togetherPlasticInjection molding
002Dispenser support119Guides the plunger for straight releasePlasticInjection molding
003Dispenser plunger19Pushes the dough from the cup into the machinePlasticInjection molding
004Dispenser funnel127Guides the dough to the hole in the cupPlasticInjection molding
005Dispenser stop14Stops the dough from leaving dispenser and gives the doughnut its "hole"PlasticInjection molding
006Dispenser cup1122Holds the dough for dispensing PlasticInjection molding
Dispenser Motor and Conveyer Motor Assembly
Part Number Name QTY Weight (g) Function Material Manufacturing Process Image
007Doughnut Dispenser Motor Casing123Covers and protects the two switches connected to the housingPlasticInjection molding
008Dispenser motor1204Drives the dispenser assemblyN/APurchased part
009Motor rotational output14Connects to the motor and rotates with itPlasticInjection molding
010Dispenser motor guide111Moved by motor to push the dispenser spring downPlasticInjection molding
011Dispenser motor housing1113Houses and protects the dispenser motor assemblyPlasticInjection molding
012Dispenser motor switch 115Alerts for dough releaseN/APurchased part
013Dispenser motor switch 215Halts the dispensing processN/APurchased part
014Dispenser switch housing14Positions switch to alert for dough releasePlasticInjection molding
015Capacitor25Stores electrical chargeN/APurchased part
016Doughnut dispenser motor cover152Gives access to and protects the motorPlasticInjection molding
017Dispenser motor latch14Secures and aligns the motor dispenser assemblyPlasticInjection molding
018Conveyor belt motor1219Drives the conveyor belt assemblyN/APurchased part
019Drive gear 214Moved by the motor and translates motion to conveyor gearPlasticInjection molding
020Conveyor motor switch 1223Connects and controls dialsN/APurchased part
021Motor switch holder110Holds the switch and cradles the motorPlasticInjection molding
022Adjustment Knob26Used to open and close the oil drain.PlasticInjection molding
023Wire guide10.5Secures wires to housingSteelStamping
024Power jack115Connects to power cordN/APurchased part
025Power jack housing15Covers and protects the power jackPlasticInjection molding
Conveyor Belt Assembly
Part Number Name QTY Weight (g) Function Material Manufacturing Process Image
026Belt motor gear114Translates motion from motor to conveyor beltPlasticInjection molding
027 Conveyor belt link sub-assembly60 links with 60 rivets127Driven by the motor to move doughnuts through system.PlasticInjection molding
4Alerts the motor to release the doughPlasticInjection molding
028 Doughnut carriage sub-assembly427Used to carry doughnuts through the system during operationAluminum alloyPunching then Stamping then Welding
4Connects carriage to conveyor beltPlasticInjection molding
029Conveyor belt holder20.5Guides and supports the conveyor system in its cyclePlasticInjection molding
030Conveyor belt gear (doughnut side)185Rotates and moves conveyor belt systemPlasticInjection molding
031Conveyor belt gear (dough side)1109Rotates and moves conveyor belt systemPlasticInjection molding
032Belt gear washers, thick25Holds belt gears in placeSteelPunching
033Belt gear washers, thin22Separates the belt gear from back housingSteelPunching
034Belt guides214Guides the belt on lower portion of the cyclePlasticInjection molding
035Yellow Washer, belt guide30.25Separates the belt guide from housingPlasticInjection molding
Oil System Assembly
Part Number Name QTY Weight (g) Function Material Manufacturing Process Image
036 Oil bath sub-assembly1323Flips donuts to opposite sideSteelCut then drawn
1Fills with oil and becomes very hot.Aluminum AlloyDrawing then cutting
1Causes the oil bath tub to become hot.N/APurchased part
037Oil bath supports46Holds the oil bath in placePlasticInjection molding
038Temperature controller bracket113Connects heating element to the oil bathSteelStamping
039Temperature controller120Regulates the heating elementN/APurchased part
040Knob housing132Protects oil drain components and userPlasticInjection molding
041Drain switch cover112Protects from accidentally enabling the drain switchPlasticInjection molding
042Adjustment Knob16Used to open and close the oil drain.PlasticInjection molding
043Dial connector13Translates knob movement through the housingPlasticInjection molding
044Drain lever16Used for securing switch in both positionsPlasticInjection molding
045Oil drain valve mount14Mounts the drain in appropriate locationPlasticInjection molding
046Oil drain valve133Controls the flow of the oilBrassPurchased part
047Oil drain tube12Channels the flow of the oilRubberPurchased part
048Oil drain tube clamp2.5Secures the tube onto the valve and drainSteelPurchased part
049Oil collection tray1237Collects the oil that drains after usePlasticInjection molding
050Oil collection tray guide17Guides the oil collection tray into place.PlasticInjection molding
Exterior Panel Assembly
Part Number Name QTY Weight (g) Function Material Manufacturing Process Image
051Front panel11160Protects the inside machinery from the outsidePlasticInjection molding
052Back panel11160Protects the inside machinery from the outsidePlasticInjection molding
053Top window 1155Allows heat to escape when opened during productionPlasticInjection molding
054Top window 21123Cannot be opened. Allows user to view doughnut productionPlasticInjection molding
Miscellaneous Components
Part Number Name QTY Weight (g) Function Material Manufacturing Process Image
055Power cord1107Connects to the outlet and supplies power to the machineN/APurchased part
056Measuring cup127Used to measure out correct amount of ingredientsPlasticInjection molding
057Doughnut slide136Removes doughnut from machine and into the doughnut binPlasticInjection molding
058Doughnut bin with oil drain1100Collects doughnuts after production and drains oil off doughnuts after productionPlasticInjection molding
059Doughnut cover feet43Contacts surfacePlasticInjection molding

Main Components

Additional Parts

Assembly

Stakeholders

Consumer

With relation to the Saturator water gun, there are two major consumers: parents who are buying the water gun, and children who will be playing with it. The needs and requirements of these two consumers are drastically different as shown below.

Buyer (Parents)

  • Low cost
  • Safe
  • Easy for child to use & store
  • Durable
  • Long product lifespan
  • Non-threatening
  • Non-toxic

User (Children)

  • Visually attractive
  • Fun to play with
  • Long range of shooting
  • Quick & easy to refill
  • Accurate & precise shooting
  • Lightweight
  • Easy to operate

Retailer

  • Satisfying to customer
  • Easy to store & sell
  • Durable

Manufacturer

  • Few parts & materials
  • Few manufacturing processes
  • Quick & easy to assemble
  • Cheap to produce
  • Standard parts across a range of models

Shipping/Transport

  • Easy to stack
  • Small & lightweight product
  • Durable

Usage

How It's Used

User Studies

Mechanical Analysis

Design for Manufacture & Assembly (DFMA)

Failure Modes & Effects Analysis (FMEA)

Design for Environment (DFE)

Team Roles

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