Paper towel dispenser
From DDL Wiki
(Difference between revisions)
(→Parts List) |
(→FEMA Analysis) |
||
Line 131: | Line 131: | ||
!Part No.!! Name !! Function !! Failure Mode !! Effects of Failure !! S !! Causes of Failure !! O !! Design Controls !! D !! RPN !! Recommended Actions !! Responsibility | !Part No.!! Name !! Function !! Failure Mode !! Effects of Failure !! S !! Causes of Failure !! O !! Design Controls !! D !! RPN !! Recommended Actions !! Responsibility | ||
|- | |- | ||
- | | 01 || Front Housing || Protects device from exterior || Fractured || text ||text ||text ||text ||text ||text ||text ||text ||text | + | | 01 || Front Housing || Protects device from exterior || Fractured || text ||text ||text ||text ||text ||text ||text ||text ||text |
|- | |- | ||
- | | 02 || Front Housing Clip|| | + | | 02 || Front Housing Clip|| Holds housings together ||Fractured || text || text ||text ||text ||text ||text ||text ||text ||text |
|- | |- | ||
- | | 03 || Front Housing Tab|| Fractured | + | | 03 || Front Housing Tab|| Fractured ||text || text ||text ||text ||text ||text ||text ||text ||text || |
|- | |- | ||
- | | 04 || Rear Housing || Fractured | + | | 04 || Rear Housing || Fractured ||text || text ||text ||text ||text ||text ||text ||text ||text || |
|- | |- | ||
- | | 05 || Paper Towel Holding Arm | + | | 05 || Paper Towel Holding Arm || text || text ||text ||text ||text ||text ||text ||text ||text || |
|- | |- | ||
- | | 08 || Screw Anchor || Fractured | + | | 08 || Screw Anchor || Fractured ||text || text ||text ||text ||text ||text ||text ||text ||text || |
|- | |- | ||
- | | 09 || Paper Guide Tube || Failed ||text || text ||text ||text ||text ||text ||text ||text ||text | + | | 09 || Paper Guide Tube || Failed ||text || text ||text ||text ||text ||text ||text ||text ||text |
|- | |- | ||
- | | 10 || Spring (uneven hooks)|| Broken ||text || text ||text ||text ||text ||text ||text ||text ||text | + | | 10 || Spring (uneven hooks)|| Broken ||text || text ||text ||text ||text ||text ||text ||text ||text |
|- | |- | ||
- | | 11 || Spring (even hooks) || Broken ||text || text ||text ||text ||text ||text ||text ||text ||text | + | | 11 || Spring (even hooks) || Broken ||text || text ||text ||text ||text ||text ||text ||text ||text |
|- | |- | ||
- | | 13 || Red Screw Cap || Fractured || text || text ||text ||text ||text ||text ||text ||text ||text | + | | 13 || Red Screw Cap || Fractured || text || text ||text ||text ||text ||text ||text ||text ||text |
|- | |- | ||
- | | 14 || Locking Spring || Broken ||text || text ||text ||text ||text ||text ||text ||text ||text | + | | 14 || Locking Spring || Broken ||text || text ||text ||text ||text ||text ||text ||text ||text |
|- | |- | ||
- | | 15 || SRed Turning Wheel || Failed ||text || text ||text ||text ||text ||text ||text ||text ||text | + | | 15 || SRed Turning Wheel || Failed ||text || text ||text ||text ||text ||text ||text ||text ||text |
|- | |- | ||
- | | 16 || Guide clips for ||text || text ||text ||text ||text ||text ||text ||text ||text | + | | 16 || Guide clips for ||text || text ||text ||text ||text ||text ||text ||text ||text |
|- | |- | ||
- | | 18 || Guide clips for ||text || text ||text ||text ||text ||text ||text ||text ||text | + | | 18 || Guide clips for ||text || text ||text ||text ||text ||text ||text ||text ||text |
|- | |- | ||
- | | 19 || Spring Connector ||text || text ||text ||text ||text ||text ||text ||text ||text | + | | 19 || Spring Connector ||text || text ||text ||text ||text ||text ||text ||text ||text |
|- | |- | ||
- | | 20 || Rounded Spring Guide ||text || text ||text ||text ||text ||text ||text ||text ||text | + | | 20 || Rounded Spring Guide ||text || text ||text ||text ||text ||text ||text ||text ||text |
|- | |- | ||
- | | 21 || Thin Paper Guide||text || text ||text ||text ||text ||text ||text ||text ||text | + | | 21 || Thin Paper Guide||text || text ||text ||text ||text ||text ||text ||text ||text |
|- | |- | ||
- | | 22 || Front Spindle Housing ||text || text ||text ||text ||text ||text ||text ||text ||text | + | | 22 || Front Spindle Housing ||text || text ||text ||text ||text ||text ||text ||text ||text |
|- | |- | ||
- | | 23 || Spindle Housing Back ||text || text ||text ||text ||text ||text ||text ||text ||text | + | | 23 || Spindle Housing Back ||text || text ||text ||text ||text ||text ||text ||text ||text |
|} | |} |
Revision as of 11:45, 16 September 2009
Contents |
Executive Summary
Stakeholders
There are five major stakeholders with regards to the paper towel dispenser: Manufacturer, retailer, customer, user, society. The main needs for the manufacturer are to reduce cost and create a reliable product. For the retailer, it is being able to sell a quality product. For the customer, it is making sure it is an affordable and reliable machine. For the customer, cleanliness and ease of use are paramount. Society plays a role with regards to how the use of paper towel affects the ecosystem and earth in general. Listed below are the stakeholders and their respective needs.
Paper Towel Manufacturer
- Material cost
- Manufacturing cost
- Assembly
- Transporting
- Standardize/minimize parts
Retailer
- Cost
- Storage
- Reliability
- Usability
- Transporting
Customer
- Cost
- Mounting
- Ease of use
- Reliability
- Aesthetics
User
- Ease of use / ergonomics
- Speed of operation
- Aesthetics
- Cleanliness
Society
- Environment
Usability Study
Parts List
DFMA Analysis
Design For Manufacture
Design For Assembly
FEMA Analysis
Part No. | Name | Function | Failure Mode | Effects of Failure | S | Causes of Failure | O | Design Controls | D | RPN | Recommended Actions | Responsibility |
---|---|---|---|---|---|---|---|---|---|---|---|---|
01 | Front Housing | Protects device from exterior | Fractured | text | text | text | text | text | text | text | text | text |
02 | Front Housing Clip | Holds housings together | Fractured | text | text | text | text | text | text | text | text | text |
03 | Front Housing Tab | Fractured | text | text | text | text | text | text | text | text | text | |
04 | Rear Housing | Fractured | text | text | text | text | text | text | text | text | text | |
05 | Paper Towel Holding Arm | text | text | text | text | text | text | text | text | text | ||
08 | Screw Anchor | Fractured | text | text | text | text | text | text | text | text | text | |
09 | Paper Guide Tube | Failed | text | text | text | text | text | text | text | text | text | |
10 | Spring (uneven hooks) | Broken | text | text | text | text | text | text | text | text | text | |
11 | Spring (even hooks) | Broken | text | text | text | text | text | text | text | text | text | |
13 | Red Screw Cap | Fractured | text | text | text | text | text | text | text | text | text | |
14 | Locking Spring | Broken | text | text | text | text | text | text | text | text | text | |
15 | SRed Turning Wheel | Failed | text | text | text | text | text | text | text | text | text | |
16 | Guide clips for | text | text | text | text | text | text | text | text | text | ||
18 | Guide clips for | text | text | text | text | text | text | text | text | text | ||
19 | Spring Connector | text | text | text | text | text | text | text | text | text | ||
20 | Rounded Spring Guide | text | text | text | text | text | text | text | text | text | ||
21 | Thin Paper Guide | text | text | text | text | text | text | text | text | text | ||
22 | Front Spindle Housing | text | text | text | text | text | text | text | text | text | ||
23 | Spindle Housing Back | text | text | text | text | text | text | text | text | text |
DFE Analysis