Leaf blower

From DDL Wiki

Contents 1 Executive Summary 2 Stakeholders and Stakeholder Needs 3 Product Use and Function 3.1 Product Use 3.2 Product Design and Function 3.2.1 Motor 3.2.2 Safeties and Interlocks 3.2.3 Power Control 4 Product Components 5 Design for Manufacture and Assembly 6 Failure Modes and Effects Analysis 7 Design for Environment 8 Engineering Analysis 9 Team Members and Processes 10 Resources

Executive Summary

Stakeholders and Stakeholder Needs

Product Use and Function

Product Use

Product Design and Function

Motor

Safeties and Interlocks

Power Control

Product Components

Part Number	Description	Quantity	Function	Material	Manufacturing	Mass (g)	Picture
001	Screw	15	Hold case together, hold bracket down	Steel	Standard item	1
002	Housing Right Side	1	Protect motor	Plastic	Injection Molded	546
003	Housing Left Side	1	Protect motor	Plastic	Injection Molded	534
004	Mulcher/Fan blade guard	1	Protect user from blade	Plastic	Injection Molded	204
005	Chute Locking Tab	1	Hold chute on housing	Plastic	Injection Molded	14
006	Bottom Attachments Release Tab	1	Release bottom attachments for removal	Plastic	Injection Molded	13
007	Chute Locking Tab Spring	1	Hold Chute locking tab in place	Steel	Drawn	13
008	Torsion bar for heal release	1	Holds heel release in place and allows for unlocking	Steel	Bent	13
009	Bottom Attachment Interlock Trigger	1	Depresses contact for bottom safety interlock	Plastic	Injection Molded	10
010	Spring for interlock trip	1	Holds trigger in off position when attachment is not installed	Steel	Drawn	1
011	Heel Attachment Safety Switch Assembly	1	Allows operation only when bottom attachment/guard is installed	Plastic, Steel, Copper	Injection molding, stamping	1
012	Wire Bracket	1	Holds wires in place	Steel	Stamped	6
013	Male Connector	3	Connects components in electrical circuit	Steel	Punched	N/A
014	Male Connector Insulator	2	Protects connections from contacting other electrical components	Plastic	Injection Molded	1
015	Female Connector	3	Connects components in electrical circuit	Steel	Punched	N/A
016	Female Connector Insulator	2	Protects connections from contacting other electrical components	Plastic	Injection Molded	1
017	Power Cable Rubber Grommet	1	Adds flexibility to power connection	Rubber	Injection Molded	8
018	Power Cable	1	Connects motor to power source	Copper, rubber, plastic	Pre-assembled component	74
019	Soft connector isolator	2	Protections connections from contacting other electrical components	Plastic	Molded	1
020	Selector Switch Insulation/Mount	1	Holds selector switch contacts in place	Plastic	Injection Molded	2
021	Selector Knob Slider	1	Slides when knob is turned to turn blower to OFF/I/II	Plastic	Injection Molded	2
022	Switch Contactor	1	Contacts appropriate output contact to close circuit when blower is on and select speed	Steel	Stamped	1
023	Contactor from safety interlock	1	Closes circuit to switch when bottom attachment is secure	Steel	Stamped	1
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020	Blower Chute Attachment	1	Directs air from fan to blower extension	Plastic	Injection Molded	128
021	Blower Chute Midsection	1	Extends blower chute from attachment to tip	Plastic	Injection Molded	97
022	Blower Chute Air Concentrator	1	Concentrates air leaving blower	Plastic	Injection Molded	48
023	Blower Chute Oscillating Head Tip	1	Swivels under air pressure to allow air to be blown in a multiple directions for wider path	Plastic	Injection Molded	18

Design for Manufacture and Assembly

Failure Modes and Effects Analysis

Design for Environment

Engineering Analysis

Team Members and Processes

Resources