Leaf blower

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| Male Connector || 2 || Connects components in electrical circuit || Steel || Punched || N/A ||  
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| Male Connector || 3 || Connects components in electrical circuit || Steel || Punched || N/A ||  
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| Female Connector || 2 || Connects components in electrical circuit || Steel || Punched || N/A ||  
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| Female Connector || 3 || Connects components in electrical circuit || Steel || Punched || N/A ||  
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| Power Cable Rubber Grommet || 1 || Adds flexibility to power connection || Rubber ||  Injection Molded || 8 ||
| Power Cable Rubber Grommet || 1 || Adds flexibility to power connection || Rubber ||  Injection Molded || 8 ||
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!018
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| Power Cable || 1 || Connects motor to power source || Copper, rubber, plastic || Pre-assembled component || 74 ||
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!019
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|Soft connector isolator || 2 || Protections connections from contacting other electrical components|| Plastic || Molded  || 1 ||
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!020
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| Selector Switch Insulation/Mount || 1 || Holds selector switch contacts in place || Plastic || Injection Molded || 2 ||
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| Selector Knob Slider|| 1 || Slides when knob is turned to turn blower to OFF/I/II || Plastic || Injection Molded || 2 ||
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| Switch Contactor || 1|| Contacts appropriate output contact to close circuit when blower is on and select speed || Steel || Stamped || 1 ||
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| Contactor from safety interlock || 1 || Closes circuit to switch when bottom attachment is secure|| Steel || Stamped || 1 ||
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| Blower Chute Attachment|| 1 || Directs air from fan to blower extension|| Plastic || Injection Molded|| 128 ||  
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!021
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| Blower Chute Midsection || 1 || Extends blower chute from attachment to tip || Plastic || Injection Molded || 97 ||
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!022
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| Blower Chute Air Concentrator|| 1 || Concentrates air leaving blower || Plastic || Injection Molded || 48 ||
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!023
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| 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 ||  
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Revision as of 19:21, 9 September 2009

Contents

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

Retrieved from "https://wiki.ece.cmu.edu/ddl/index.php/Leaf_blower"
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