Paper towel dispenser
From DDL Wiki
(Difference between revisions)
(→Parts List) |
(→Parts List) |
||
Line 57: | Line 57: | ||
| 04 || Rear Housing || Holds mechanical components || 1 || 986g || Plastic || Injection Molding || [[Image:PTD_Rear_Housing.jpg| 100x100px]] | | 04 || Rear Housing || Holds mechanical components || 1 || 986g || Plastic || Injection Molding || [[Image:PTD_Rear_Housing.jpg| 100x100px]] | ||
|- | |- | ||
- | | 05 || Paper Towel Holding Arm || Holds paper towel roll || 2 || 40g each || Plastic || Injection Molding || [[Image: | + | | 05 || Paper Towel Holding Arm || Holds paper towel roll || 2 || 40g each || Plastic || Injection Molding || [[Image:PTD_Paper_Towel_Holding_Arm.jpg| 100x100px]] |
|- | |- | ||
- | | 06 || Phillips Head Screw (1/8'' x 1/4'' long) || Secures device to rear housing || 1 || 1g || Steel || Machined || [[Image: | + | | 06 || Phillips Head Screw (1/8'' x 1/4'' long) || Secures device to rear housing || 1 || 1g || Steel || Machined || [[Image:PTD Phillips Head Screw.jpg| 100x100px]] |
|- | |- | ||
- | | 07 || Wall Mounting Screw (1/8'' x 1.25'' long) || Secures housing to wall || 4 || 3.5g each || Steel || Machined || [[Image: | + | | 07 || Wall Mounting Screw Anchor (1/8'' x 1.25'' long) || Secures housing to wall || 4 || 3.5g each || Steel || Machined || [[Image:PTD Wall Mounting Screw Anchor.jpg| 100x100px]] |
|- | |- | ||
| 08 || Screw Anchor || Holds screw in wall || 4 || ~0.25g || Plastic || Injection molding || [[Image:Example.jpg| 100x100px]] | | 08 || Screw Anchor || Holds screw in wall || 4 || ~0.25g || Plastic || Injection molding || [[Image:Example.jpg| 100x100px]] |
Revision as of 11:36, 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 | Fractured | text | text | text | text | text | text | text | text | text | text | |
03 | Front Housing Tab | Fractured | text | text | text | text | text | text | text | text | text | text | |
04 | Rear Housing | Fractured | text | text | text | text | text | text | text | text | text | text | |
05 | Paper Towel Holding Arm | text | text | text | text | text | text | text | text | text | text | ||
08 | Screw Anchor | Fractured | text | text | text | text | text | text | text | text | text | text | |
09 | Paper Guide Tube | Failed | text | text | text | text | text | text | text | text | text | text | |
10 | Spring (uneven hooks) | Broken | text | text | text | text | text | text | text | text | text | text | |
11 | Spring (even hooks) | Broken | text | text | text | text | text | text | text | text | text | text | |
13 | Red Screw Cap | Fractured | text | text | text | text | text | text | text | text | text | text | |
14 | Locking Spring | Broken | text | text | text | text | text | text | text | text | text | text | |
15 | SRed Turning Wheel | Failed | text | text | text | text | text | text | text | text | text | text | |
16 | Guide clips for | text | text | text | text | text | text | text | text | text | text | ||
18 | Guide clips for | text | text | text | text | text | text | text | text | text | text | ||
19 | Spring Connector | text | text | text | text | text | text | text | text | text | text | ||
20 | Rounded Spring Guide | text | text | text | text | text | text | text | text | text | text | ||
21 | Thin Paper Guide | text | text | text | text | text | text | text | text | text | text | ||
22 | Front Spindle Housing | text | text | text | text | text | text | text | text | text | text | ||
23 | Spindle Housing Back | text | text | text | text | text | text | text | text | text | text |
DFE Analysis