From DDL Wiki
Executive Summary
Bill of Materials
External Gun Assembly
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Part Number | Sub-Assembly | Name | QTY | Weight (g) | Function | Material | Manufacturing Process | Image
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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 |
|
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
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008 | Battery cover | spring | 2 | 0.1 | Makes contact with the battery | Steel | Bending |
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009 | Battery cover | latch | 1 | 0.1 | Holds the plastic casing and the two shell sides together | Steel | Cutting |
|
010 | Battery cover | spring bracket | 1 | 2.4 | Makes contact with the battery | Aluminum | Blanking |
|
011 | Battery cover | plastic
| Dispenser Motor and Conveyer Motor Assembly
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Part Number | Name | QTY | Weight (g) | Function | Material | Manufacturing Process | Image
|
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
Image:How to Use the Saturator2.jpg
User Studies
Mechanical Analysis
Design for Manufacture & Assembly (DFMA)
Failure Modes & Effects Analysis (FMEA)
Design for Environment (DFE)
Team Roles