Water gun
From DDL Wiki
Contents |
Executive Summary
Bill of Materials
| External Gun Assembly | ||||||||
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| Part Number | Name | QTY | Weight (g) | Function | Material | Manufacturing Process | Image | |
| 001 | Shell:side A | 1 | 110.5 | Cases the assembly together | Plastic | Injection molding | 
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| 002 | Shell:side B | 1 | 110.9 | Holds sub-assemblies together | Plastic | Injection molding | 
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| 003 | Shell:nozzle ring | 1 | 1.2 | Cases the nozzle assembly and the assembly shell together | Plastic | Injection molding | 
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| 004 | Reservoir Release:switch | 1 | 0.5 | Releases the reservoir from the body | Plastic | Compression molding | 
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| 005 | Reservoir Release:slider | 1 | 0.4 | Guides the path of the release switch | Plastic | Injection molding | 
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| 006 | Reservoir Release:spring | 1 | 0.3 | Creates elastic movement of the release switch | Plastic | Injection molding | 
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| 007 | Reservoir Release:retaining plate | 1 | 0.2 | Glued to the shell side A to hold the reservoir release sub-assembly together | Plastic | Compression molding | ||
| Dispenser Motor and Conveyer Motor Assembly | ||||||||
| Part Number | Name | QTY | Weight (g) | Function | Material | Manufacturing Process | Image | |
| 007 | Doughnut Dispenser Motor Casing | 1 | 23 | Covers and protects the two switches connected to the housing | Plastic | Injection molding | 
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| 008 | Dispenser motor | 1 | 204 | Drives the dispenser assembly | N/A | Purchased part | 
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| 009 | Motor rotational output | 1 | 4 | Connects to the motor and rotates with it | Plastic | Injection molding | 
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| 010 | Dispenser motor guide | 1 | 11 | Moved by motor to push the dispenser spring down | Plastic | Injection molding | 
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| 011 | Dispenser motor housing | 1 | 113 | Houses and protects the dispenser motor assembly | Plastic | Injection molding | 
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| 012 | Dispenser motor switch 1 | 1 | 5 | Alerts for dough release | N/A | Purchased part | 
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| 013 | Dispenser motor switch 2 | 1 | 5 | Halts the dispensing process | N/A | Purchased part | 
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| 014 | Dispenser switch housing | 1 | 4 | Positions switch to alert for dough release | Plastic | Injection molding | 
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| 015 | Capacitor | 2 | 5 | Stores electrical charge | N/A | Purchased part | 
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| 016 | Doughnut dispenser motor cover | 1 | 52 | Gives access to and protects the motor | Plastic | Injection molding | 
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| 017 | Dispenser motor latch | 1 | 4 | Secures and aligns the motor dispenser assembly | Plastic | Injection molding | 
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| 018 | Conveyor belt motor | 1 | 219 | Drives the conveyor belt assembly | N/A | Purchased part | 
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| 019 | Drive gear 2 | 1 | 4 | Moved by the motor and translates motion to conveyor gear | Plastic | Injection molding | 
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| 020 | Conveyor motor switch 1 | 2 | 23 | Connects and controls dials | N/A | Purchased part | 
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| 021 | Motor switch holder | 1 | 10 | Holds the switch and cradles the motor | Plastic | Injection molding | 
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| 022 | Adjustment Knob | 2 | 6 | Used to open and close the oil drain. | Plastic | Injection molding | 
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| 023 | Wire guide | 1 | 0.5 | Secures wires to housing | Steel | Stamping | 
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| 024 | Power jack | 1 | 15 | Connects to power cord | N/A | Purchased part | 
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| 025 | Power jack housing | 1 | 5 | Covers and protects the power jack | Plastic | Injection molding | 
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| Conveyor Belt Assembly | ||||||||
| Part Number | Name | QTY | Weight (g) | Function | Material | Manufacturing Process | Image | |
| 026 | Belt motor gear | 1 | 14 | Translates motion from motor to conveyor belt | Plastic | Injection molding | 
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| 027 | Conveyor belt link sub-assembly | 60 links with 60 rivets | 127 | Driven by the motor to move doughnuts through system. | Plastic | Injection molding | 
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| 4 | Alerts the motor to release the dough | Plastic | Injection molding | 
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| 028 | Doughnut carriage sub-assembly | 4 | 27 | Used to carry doughnuts through the system during operation | Aluminum alloy | Punching then Stamping then Welding | 
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| 4 | Connects carriage to conveyor belt | Plastic | Injection molding | 
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| 029 | Conveyor belt holder | 2 | 0.5 | Guides and supports the conveyor system in its cycle | Plastic | Injection molding | 
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| 030 | Conveyor belt gear (doughnut side) | 1 | 85 | Rotates and moves conveyor belt system | Plastic | Injection molding | 
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| 031 | Conveyor belt gear (dough side) | 1 | 109 | Rotates and moves conveyor belt system | Plastic | Injection molding | 
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| 032 | Belt gear washers, thick | 2 | 5 | Holds belt gears in place | Steel | Punching | 
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| 033 | Belt gear washers, thin | 2 | 2 | Separates the belt gear from back housing | Steel | Punching | 
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| 034 | Belt guides | 2 | 14 | Guides the belt on lower portion of the cycle | Plastic | Injection molding | 
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| 035 | Yellow Washer, belt guide | 3 | 0.25 | Separates the belt guide from housing | Plastic | Injection molding | 
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| Oil System Assembly | ||||||||
| Part Number | Name | QTY | Weight (g) | Function | Material | Manufacturing Process | Image | |
| 036 | Oil bath sub-assembly | 1 | 323 | Flips donuts to opposite side | Steel | Cut then drawn | 
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| 1 | Fills with oil and becomes very hot. | Aluminum Alloy | Drawing then cutting | 
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| 1 | Causes the oil bath tub to become hot. | N/A | Purchased part | 
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| 037 | Oil bath supports | 4 | 6 | Holds the oil bath in place | Plastic | Injection molding | 
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| 038 | Temperature controller bracket | 1 | 13 | Connects heating element to the oil bath | Steel | Stamping | 
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| 039 | Temperature controller | 1 | 20 | Regulates the heating element | N/A | Purchased part | 
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| 040 | Knob housing | 1 | 32 | Protects oil drain components and user | Plastic | Injection molding | 
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| 041 | Drain switch cover | 1 | 12 | Protects from accidentally enabling the drain switch | Plastic | Injection molding | 
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| 042 | Adjustment Knob | 1 | 6 | Used to open and close the oil drain. | Plastic | Injection molding |
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| 043 | Dial connector | 1 | 3 | Translates knob movement through the housing | Plastic | Injection molding | 
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| 044 | Drain lever | 1 | 6 | Used for securing switch in both positions | Plastic | Injection molding | 
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| 045 | Oil drain valve mount | 1 | 4 | Mounts the drain in appropriate location | Plastic | Injection molding | 
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| 046 | Oil drain valve | 1 | 33 | Controls the flow of the oil | Brass | Purchased part | 
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| 047 | Oil drain tube | 1 | 2 | Channels the flow of the oil | Rubber | Purchased part | 
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| 048 | Oil drain tube clamp | 2 | .5 | Secures the tube onto the valve and drain | Steel | Purchased part | 
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| 049 | Oil collection tray | 1 | 237 | Collects the oil that drains after use | Plastic | Injection molding | 
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| 050 | Oil collection tray guide | 1 | 7 | Guides the oil collection tray into place. | Plastic | Injection molding | 
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| Exterior Panel Assembly | ||||||||
| Part Number | Name | QTY | Weight (g) | Function | Material | Manufacturing Process | Image | |
| 051 | Front panel | 1 | 1160 | Protects the inside machinery from the outside | Plastic | Injection molding | 
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| 052 | Back panel | 1 | 1160 | Protects the inside machinery from the outside | Plastic | Injection molding | 
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| 053 | Top window 1 | 1 | 55 | Allows heat to escape when opened during production | Plastic | Injection molding | 
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| 054 | Top window 2 | 1 | 123 | Cannot be opened. Allows user to view doughnut production | Plastic | Injection molding | 
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| Miscellaneous Components | ||||||||
| Part Number | Name | QTY | Weight (g) | Function | Material | Manufacturing Process | Image | |
| 055 | Power cord | 1 | 107 | Connects to the outlet and supplies power to the machine | N/A | Purchased part | 
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| 056 | Measuring cup | 1 | 27 | Used to measure out correct amount of ingredients | Plastic | Injection molding | 
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| 057 | Doughnut slide | 1 | 36 | Removes doughnut from machine and into the doughnut bin | Plastic | Injection molding | 
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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 | 
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| 059 | Doughnut cover feet | 4 | 3 | Contacts surface | Plastic | Injection molding | 
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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
