Water gun

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Revision as of 15:01, 5 February 2011 (view source) Mheshmat@andrew.cmu.edu (Talk | contribs) (→How It's Used) ← Older edit		Revision as of 15:03, 5 February 2011 (view source) Mheshmat@andrew.cmu.edu (Talk | contribs) (→How It's Used) Newer edit →
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	===How It's Used===		===How It's Used===
-	[[Image:How to Use the Saturator.jpg]]	+	[[Image:Group 7 How to Use the Saturator.jpg]]
	===User Studies===		===User Studies===

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Revision as of 15:03, 5 February 2011

Contents 1 Executive Summary 2 Bill of Materials 2.1 Main Components 2.2 Additional Parts 2.3 Assembly 3 Stakeholders 3.1 Consumer 3.2 Retailer 3.3 Manufacturer 3.4 Shipping/Transport 4 Usage 4.1 How It's Used 4.2 User Studies 5 Mechanical Analysis 6 Design for Manufacture & Assembly (DFMA) 7 Failure Modes & Effects Analysis (FMEA) 8 Design for Environment (DFE) 9 Team Roles

Executive Summary

Bill of Materials

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

External Gun Assembly
Part Number	Sub-Assembly	Name	QTY	Weight (g)	Function	Material	Manufacturing Process	Image
001	Shell	side A	1	110.5	Cases the assembly together	Plastic	Injection molding
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
004	Reservoir Release	switch	1	0.5	Releases the reservoir from the body	Plastic	Compression molding
005	Reservoir Release	slider	1	0.4	Guides the path of the release switch	Plastic	Injection molding
006	Reservoir Release	spring	1	0.3	Creates elastic movement of the release switch	Plastic	Injection molding
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
008	Battery cover	spring	2	0.1	Makes contact with the battery	Steel	Bending
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
Part Number	Name	QTY	Weight (g)	Function	Material	Manufacturing Process	Image