Nerf gun

From DDL Wiki

Contents 1 Executive Summary 2 Product Study 2.1 Functionality 2.1.1 Big Bad Bow 2.1.2 Rapid Fire 20 2.1.3 Buzz Saw 2.2 User Study 2.2.1 Big Bad Bow 2.2.2 Rapid Fire 20 2.2.3 Buzz Saw 2.3 Performance Study 2.3.1 Big Bad Bow 2.3.2 Rapid Fire 20 2.3.3 Buzz Saw 2.4 Product Dissection 2.4.1 Mechanical Function 2.4.2 Bill of Materials 3 Preliminary Analysis 3.1 DFMA 3.2 FMEA 3.3 DFE

Executive Summary

Product Study

Functionality

Big Bad Bow

Rapid Fire 20

Buzz Saw

User Study

Big Bad Bow

Rapid Fire 20

Buzz Saw

Performance Study

Big Bad Bow

Rapid Fire 20

Buzz Saw

Product Dissection

Mechanical Function

Bill of Materials

Big Bad Bow

Part No.	Name	Function	Quantity	Material	Mass	Manufacturing Process	Picture
101	Bow Arm and Outer Cog	Cosmetic	2	Plastic	56g	Injection Molded
102	Small Inner Cog	Cosmetic	2	Plastic	5g	Injection Molded
201	Front Left Cover	Priming Mechanism	1	Plastic	117g	Injection Molded
202	Front Right Cover	Priming Mechanism	1	Plastic	118g	Injection Molded
203	Rear Right Cover	Barrel/Action Housing	1	Plastic	123g	Injection Molded
204	Front Left Cover	Barrel/Action Housing	1	Plastic	119g	Injection Molded
301	Nozzle	Function	Quantity	Material	Mass	Manufacturing Process
302	Nozzle Tip	Function	Quantity	Material	Mass	Manufacturing Process
303	White Tip Holder	Function	Quantity	Material	Mass	Manufacturing Process
304	White Air Restrictor + Spring	Function	Quantity	Material	Mass	Manufacturing Process
305	Rubber Piston	Function	Quantity	Material	Mass	Manufacturing Process
306	Barrel Lock	Function	Quantity	Material	Mass	Manufacturing Process
307	Piston Shaft	Function	Quantity	Material	Mass	Manufacturing Process
308	Trigger Lock	Function	Quantity	Material	Mass	Manufacturing Process
309	Trigger	Function	Quantity	Material	Mass	Manufacturing Process
310	Spring Stop	Function	Quantity	Material	Mass	Manufacturing Process
311	Cylinder	Function	Quantity	Material	Mass	Manufacturing Process
401	Eyepiece	Function	Quantity	Material	Mass	Manufacturing Process
402	Eyepiece Lens	Function	Quantity	Material	Mass	Manufacturing Process
501	Arrow Dart	Function	Quantity	Material	Mass	Manufacturing Process
901	Screw	Function	Quantity	Material	Mass	Manufacturing Process
902	Spring for Barrel Lock	Function	Quantity	Material	Mass	Manufacturing Process
903	Short Trigger Spring	Function	Quantity	Material	Mass	Manufacturing Process
904	Long Trigger Spring	Function	Quantity	Material	Mass	Manufacturing Process
905	Piston Spring	Function	Quantity	Material	Mass	Manufacturing Process

Preliminary Analysis

DFMA

FMEA

DFE