Wine bottle opener

From DDL Wiki

(Difference between revisions)
Jump to: navigation, search
(→Table)
(→Table)
Line 122: Line 122:
! Recommended Actions
! Recommended Actions
|-
|-
-
|rowspan="2"|Handles - hold and squeeze the bottle || become loose || drop the bottle || 9 || Drop the item, Shipping, rubber is defective || 3 || Test the pins (fatigue) and test the rubber || 3 || 81 || make sure the rubber are well stuck in the handles
+
|rowspan="2" | Handles - hold and squeeze the bottle || become loose || drop the bottle || 9 || Drop the item, Shipping, rubber is defective || 3 || Test the pins (fatigue) and test the rubber || 3 || 81 || make sure the rubber are well stuck in the handles
|-
|-
|| squeeze too hard || break the bottle || 7 || super strong user/defective rubber || 1 || testing resistance of a bottle and rubber || 3 || 21 || Write something in the manual about the strength that should be used
|| squeeze too hard || break the bottle || 7 || super strong user/defective rubber || 1 || testing resistance of a bottle and rubber || 3 || 21 || Write something in the manual about the strength that should be used
|-
|-
 +
||
|}
|}

Revision as of 21:14, 30 January 2014

Contents

Executive Summary

Product Stakeholders

Listed below are the stakeholders associated with a corkscrew wine opener and the aspects of the product that appeal to them. The following table contains some aspects that each stakeholder would need and want in an ideal wine opener.



Stakeholder Needs
Stakeholder Needs Wants
Consumers
  • Easy to Use
    • The product requires less force to operate than a regular wine opener
    Cheap
    • A product that is reasonably priced
    Safe to Operate
    • Safe to use themselves or around children
  • Ergonomic
    • Comfortable and straightforward to use
    Convenience
    • Easy to store in drawer or cabinet
    • Nice gift for family, friends and wine connoisseurs alike
    Durable
    • Can open many bottles of wine
Retailer
  • Aesthetic Design
    • A product that is appealing to customers
    Price
    • Nice looking and quality opener for its price
    Packaging
    • Easy storage and appealing packaging
  • High Profit Margin/Market Demand
    • An appealing and useful product that will sell
    Useful Household Item (Not a Novelty Item)
    • A "must have" product in everyone's kitchen
    • Add-ons, such as the foil cutter, make product more desirable
Manufacturer
  • Design
    • Designed to fulfill manufacturing and consumer needs
    • Product has a simple mechanism and few moving parts
    Assembly
    • Product is easy to assemble, package, and ship
    Materials
    • Materials are common and easy to acquire
  • Few Moving Parts
    • Simplistic design requires less number of parts and materials
    Cheap Manufacturing Process
    • Ease of assembly = lower costs
Distributor
  • Robustness
    • Will not get damaged during transportation
    Storage
    • Can maximize number of products transported and reduce transportation costs
  • Lightweight
    • Reduce transportation costs: Fuel, Wear & Tear on mode of transportation
    Compact
    • Can transport more at once, reducing number of shipments made

Product Use Study

Image:Pokemon.png


Failure Mode and Effects Analysis (FMEA)

|- |squeeze too hard || 7 || Fatigue, Loss of Power from Motor || 1 || Fatigue Testing of Fan || 1 || 7 || Choose Material to Meet Needs |- |rowspan="4"| USB - Provides Power || Disconnection || Loss of power to chill pad || 2 || Loose Port, Something Snags Cord || 7 || rowspan="4" | None || 1 || 14 || Entertain options for compact cord wrapping |- |Broken inner wires || Loss of functionality || 6 || Damage to cord || 2 || 3 || 36 || rowspan="2" | None (Out of Designer Control) |- |Bend on connector || Connector could break off inside laptop || 7 || Bumping Connector While Inside Port || 2 || 1 || 14 |- |Power diverted elsewhere || Lower performance of chill pad || 2 || Too Much Usage from Programs || 3 || 3 || 18 || Keep Software to Low Power Usage Specs |- |Casing - Protects fan || Fan blades break off || Laptop heats up || 6 || Dent/Other Defect Causes Fan to Collide with Casing || 1 || Tolerance Testing on Fan/Casing || 3 || 18 || Keep Injection Mold Simple to Avoid Defects |- |Motor - Drives Fan|| Fatigue || Stops rotating fan || 6 || Electrical Problem, Demagnetization || 1 || Cyclic Testing of Motor || 3 || 18 || Entertain Different Motor Configurations |- |rowspan="2"| Air Intake - Allows Air to Enter Through Bottom ||Allowance of More than Air to Get Through Fan||Lower fan performance, Possible damage fan|| 3 || Over-sized openings || 3 || Testing with Dust/Debris Under Chill Pad || 2 || 18 || Reduce Hole Size |- |Mechanism Holding USB Cord Breaks||No convenient storage of for USB Cord|| 3 || Broken(Yielded) Tabs|| 3 || Cyclic testing of tabs || 2 || 18 || Retractable USB Cord |- |Grill - Allows Air Through Top||Particles slipping through grill|| Possible damage to fan || 3 || Over-sized openings, Damaged grill || 2 || Strength testing of grill || 2 || 12 || Change Angle of Grill, or Use Different Cooling Method |- |Screws - Holds Assembly Together||Loosening|| Assembly falling apart || 4 || Overuse, Fatigue || 2 || Testing of regular use || 3 || 24 || None (Out of Designer Control) |- |Rubber stoppers - Stops the computer from slipping || Disconnects from grill || Laptop slips off chill pad || 4 || Overuse, designed too loosely || 3 || Load and cyclic testing on stoppers || 2 || 24 || Put stronger grips on rubber stopper or adhere them differently 

|-

|Rubber spacers - Pushes apart the top and bottom cover || Rubber tears || Top and bottom are not tightly connected everywhere || 4 || Overuse, weak rubber material || 2 || Cyclic testing on the assembly with spacers || 4 || 32 || Add more support to lessen the load on each spacer

Table

FMEA - Wine Bottle Opener
Items and Function Failure Mode Effects of Failure Severity Causes of Failure Probability of Occurrence Design Control Detectability RPN Recommended Actions
Handles - hold and squeeze the bottle become loose drop the bottle 9 Drop the item, Shipping, rubber is defective 3 Test the pins (fatigue) and test the rubber 3 81 make sure the rubber are well stuck in the handles
squeeze too hard break the bottle 7 super strong user/defective rubber 1 testing resistance of a bottle and rubber 3 21 Write something in the manual about the strength that should be used
Retrieved from "https://wiki.ece.cmu.edu/ddl/index.php/Wine_bottle_opener"
Personal tools