Paper towel dispenser

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! Part Number !! Name !! Function !! QTY !! Weight !! Material !! Manufacturing Process !! Image
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! Row header 1  
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| 01 || Front Housing || Protects device from exterior || 1 || 935g || Plastic || Injection Molding || cell 1,8
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| cell 1,1 || cell 1,2 || cell 1,3 || cell 1,4 || cell 1,5 || cell 1,6 || cell 1,7
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| 02 || Front Housing Clip || Holds housings together || 1 || 13g || Steel || Bending, Punching || cell 1,8
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! Row header 2  
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| cell 2,1 || cell 2,2 || cell 2,3 || cell 2,4 || cell 2,5 || cell 2,6 || cell 2,7
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| 03 || Front Housing Tab || Secures housing clip || 1 || <1g || Plastic || Injection Molding || cell 1,8
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| 04 || Rear Housing || Holds mechanical components || 1 || 986g || Plastic || Injection Molding || cell 1,8
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| 05 || Paper Towel Holding Arm || Holds paper towel roll || 2 || 40g each || Plastic || Injection Molding || cell 1,8
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| 06 || Phillips Head Screw (1/8'' x 1/4'' long) || Secures device to rear housing || 1 || 1g || Steel || Machined || cell 1,8
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| 07 || Wall Mounting Screw (1/8'' x 1.25'' long) || Secures housing to wall || 4 || 3.5g each || Steel || Machined || cell 1,8
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| 08 || Screw Anchor || Holds screw in wall || 4 || ~0.25g || Plastic || Injection molding || cell 1,8
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| 09 || Paper Guide Tube || Guides paper towel to cutting cylinder || 1 || 55g || Plastic || Injection molding || cell 1,8
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| 10 || Spring (uneven hooks) || Holds 09 in place || 2 || 2g each || Metal || Extrusion || cell 1,8
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| 11 || Spring (even hooks) || Holds lever to spindle housing || 2 || 1.5g each || Metal || Extrusion || cell 1,8
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| 12 || Screw (3/32'' x 5/8'' long) || holds turning wheel and lever to spindle housing || 2 || ~1g each || Metal || Extrusion || cell 1,8
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| 13 || Red Screw Cap || Hides screw in turning wheel || 1 || <1g || Plastic || Injection molding || cell 1,8
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| 14 || Locking Spring || Ensures correct wheel spin direction || 1 || 4g || Steel || Extrusion || cell 1,8
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| 15 || Red Turning Wheel || Turns main spindle || 1 || 30g || Plastic || Injection molding || cell 1,8
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| 16 || Guide clips for 09 || Guides paper on 09 || 2 || 2.5g each || Plastic || Injection molding || cell 1,8
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| 17 || Screw (3/32'' x 3/8'' long) || Holds lever assembly together and spindle housing|| 2 || <1g each || Metal || Machined || cell 1,8
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| 18 || Lever Arm || Connects spring to spindle || 1 || 1g || Plastic || Injection molding || cell 1,8
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| 19 || Spring Connector || Connects two springs to lever arm || 1 || <1g || Plastic || Injection molding || cell 1,8
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| 20 || Rounded Spring Guide || Angles spring to desired measurement || 1 || <1g || Plastic || Injection molding || cell 1,8
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| 21 || Thin Paper Guide || Guides paper out of device || 1 || 24g || Plastic || Injection molding || cell 1,8
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| 22 || Front Spindle Housing || Final housing before paper leaves device || 1 || 132g || Plastic || Injection molding || cell 1,8
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| 23 || Spindle Housing Back || Back of spindle housing || 1 || 162g || Plastic || Injection molding || cell 1,8
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| 24 || Spindle Housing (L)|| Left of spindle housing || 1 || 105g || Plastic || Injection molding || cell 1,8
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| 25 || Spindle Housing (R)|| Right of spindle housing || 1 || 105g || Plastic || Injection molding || cell 1,8
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| 26 || White Spindle Guide || Holds spindle in line || 3 || 2.3g each || Plastic || Injection molding || cell 1,8
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| 27 || Screw (3/32'' x 3/8'' long) || Connects spindle halves || 2 || <1g || Metal || Machined || cell 1,8
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| 28 || Square nut || For use with 27 || 2 || <1g || Steel || Cast and drilled || cell 1,8
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| 29 || White Teeth Guide/Arm || Guides cutting teeth in spindle || 2 || 3g each || Plastic || Injection molding || cell 1,8
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| 30 || Cutting Teeth || Cuts paper towel || 1 || 75g || Steel || Cast, punched and bent || cell 1,8
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| 31 || Spindle Top || Holds cutting tool || 1 || 125g || Plastic || Injection molding || cell 1,8
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| 32 || Spindle Bottom || Holds cutting tool || 1 || 135g || Plastic || Injection molding || cell 1,8
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| 33 || Metal Key || Helps open housing || 1 || 5g || Steel || Punched || cell 1,8

Revision as of 23:23, 15 September 2009

Part Number Name Function QTY Weight Material Manufacturing Process Image
01 Front Housing Protects device from exterior 1 935g Plastic Injection Molding cell 1,8
02 Front Housing Clip Holds housings together 1 13g Steel Bending, Punching cell 1,8
03 Front Housing Tab Secures housing clip 1 <1g Plastic Injection Molding cell 1,8
04 Rear Housing Holds mechanical components 1 986g Plastic Injection Molding cell 1,8
05 Paper Towel Holding Arm Holds paper towel roll 2 40g each Plastic Injection Molding cell 1,8
06 Phillips Head Screw (1/8 x 1/4 long) Secures device to rear housing 1 1g Steel Machined cell 1,8
07 Wall Mounting Screw (1/8 x 1.25 long) Secures housing to wall 4 3.5g each Steel Machined cell 1,8
08 Screw Anchor Holds screw in wall 4 ~0.25g Plastic Injection molding cell 1,8
09 Paper Guide Tube Guides paper towel to cutting cylinder 1 55g Plastic Injection molding cell 1,8
10 Spring (uneven hooks) Holds 09 in place 2 2g each Metal Extrusion cell 1,8
11 Spring (even hooks) Holds lever to spindle housing 2 1.5g each Metal Extrusion cell 1,8
12 Screw (3/32 x 5/8 long) holds turning wheel and lever to spindle housing 2 ~1g each Metal Extrusion cell 1,8
13 Red Screw Cap Hides screw in turning wheel 1 <1g Plastic Injection molding cell 1,8
14 Locking Spring Ensures correct wheel spin direction 1 4g Steel Extrusion cell 1,8
15 Red Turning Wheel Turns main spindle 1 30g Plastic Injection molding cell 1,8
16 Guide clips for 09 Guides paper on 09 2 2.5g each Plastic Injection molding cell 1,8
17 Screw (3/32 x 3/8 long) Holds lever assembly together and spindle housing 2 <1g each Metal Machined cell 1,8
18 Lever Arm Connects spring to spindle 1 1g Plastic Injection molding cell 1,8
19 Spring Connector Connects two springs to lever arm 1 <1g Plastic Injection molding cell 1,8
20 Rounded Spring Guide Angles spring to desired measurement 1 <1g Plastic Injection molding cell 1,8
21 Thin Paper Guide Guides paper out of device 1 24g Plastic Injection molding cell 1,8
22 Front Spindle Housing Final housing before paper leaves device 1 132g Plastic Injection molding cell 1,8
23 Spindle Housing Back Back of spindle housing 1 162g Plastic Injection molding cell 1,8
24 Spindle Housing (L) Left of spindle housing 1 105g Plastic Injection molding cell 1,8
25 Spindle Housing (R) Right of spindle housing 1 105g Plastic Injection molding cell 1,8
26 White Spindle Guide Holds spindle in line 3 2.3g each Plastic Injection molding cell 1,8
27 Screw (3/32 x 3/8 long) Connects spindle halves 2 <1g Metal Machined cell 1,8
28 Square nut For use with 27 2 <1g Steel Cast and drilled cell 1,8
29 White Teeth Guide/Arm Guides cutting teeth in spindle 2 3g each Plastic Injection molding cell 1,8
30 Cutting Teeth Cuts paper towel 1 75g Steel Cast, punched and bent cell 1,8
31 Spindle Top Holds cutting tool 1 125g Plastic Injection molding cell 1,8
32 Spindle Bottom Holds cutting tool 1 135g Plastic Injection molding cell 1,8
33 Metal Key Helps open housing 1 5g Steel Punched cell 1,8


DFMA Analysis


Design For Manufacture

Design For Assembly

FEMA Analysis


Item and Function Failure Mode Effects of Failure S Causes of Failure O Design Controls D RPN Recommended Action Responsibility and Deadline Actions Taken S' O' D' RPN'
Row header 1 cell 1,1 cell 1,2
Row header 2 cell 2,1 cell 2,2

DFE Analysis
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