Umbrella
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- | | 1||Shaft||1||59||Main support unit for umbrella||Laminated, turned||Wood|| | + | | 1||Shaft||1||59||Main support unit for umbrella||Laminated, turned||Wood||[[Image:Umbrella_part1_shaft.jpg|100px]] |
|- | |- | ||
- | | 2||Handle||1||70||Provides a comfortable grip for shaft||Laminated, warped||Wood|| | + | | 2||Handle||1||70||Provides a comfortable grip for shaft||Laminated, warped||Wood||[[Image:Umbrella_part2_handle.jpg|100px]] |
|- | |- | ||
- | | 3||Tip||1||1.5||Protects shaft & Aesthetic||injection molded||Plastic|| | + | | 3||Tip||1||1.5||Protects shaft & Aesthetic||injection molded||Plastic||[[Image:Umbrella_part3_tip.jpg|100px]] |
|- | |- | ||
- | | 4||Top Cap||1||1.9||Holds canopy to shaft||Stamped||Steel|| | + | | 4||Top Cap||1||1.9||Holds canopy to shaft||Stamped||Steel||[[Image:Umbrella_part4_topCap.jpg|100px]] |
|- | |- | ||
- | | 5||Top Cap Retention Pin||1||<.1||Attaches top cap to shaft||Formed||Steel|| | + | | 5||Top Cap Retention Pin||1||<.1||Attaches top cap to shaft||Formed||Steel||[[Image:Umbrella_part5_topCapRetentionPin.jpg|100px]] |
|- | |- | ||
- | | 6||Top Cap Skirt||1||.1||Prevents water leakage around top cap||Woven||Nylon|| | + | | 6||Top Cap Skirt||1||.1||Prevents water leakage around top cap||Woven||Nylon||[[Image:Umbrella_part6_topCapSkirt.jpg|100px]] |
|- | |- | ||
- | | 7||Rider Limit Pin||1||.1||Prevents upper assembly rider from traveling out of range||Formed||Steel|| | + | | 7||Rider Limit Pin||1||.1||Prevents upper assembly rider from traveling out of range||Formed||Steel||[[Image:Umbrella_part7_riderLimitPin.jpg|100px]] |
|- | |- | ||
- | | 8||Rider Latch||2||1.6||Locks rider in place at top and bottom of range||Stamped||Steel|| | + | | 8||Rider Latch||2||1.6||Locks rider in place at top and bottom of range||Stamped||Steel||[[Image:Umbrella_part8_riderLatch.jpg|100px]] |
|- | |- | ||
- | | 9||Rider Latch Pin||2||<.1||Attaches rider latch to shaft||Extruded||Steel|| | + | | 9||Rider Latch Pin||2||<.1||Attaches rider latch to shaft||Extruded||Steel||[[Image:Umbrella_part9_riderLatchPin.jpg|100px]] |
|- | |- | ||
- | | 10||Canopy section||8||7.1||Keeps water from entering area below umbrella||Woven||Nylon|| | + | | 10||Canopy section||8||7.1||Keeps water from entering area below umbrella||Woven||Nylon||[[Image:Umbrella_part10_canopySection.jpg|100px]] |
|- | |- | ||
- | | 11||Canopy Latch Strap||1||.9||Thins trap to wrap around canopy when closed||Woven||Nylon|| | + | | 11||Canopy Latch Strap||1||.9||Thins trap to wrap around canopy when closed||Woven||Nylon||[[Image:Umbrella_part11_canopyLatchStrap.jpg|100px]] |
|- | |- | ||
- | | 12||Canopy Latch Strap Velcro||1||.3||Allows canopy latch strap to attach to itself|| ||Velcro|| | + | | 12||Canopy Latch Strap Velcro||1||.3||Allows canopy latch strap to attach to itself|| ||Velcro||[[Image:Umbrella_part12_canopyLatchStrapVelcro.jpg|100px]] |
|- | |- | ||
- | | 13||Upper Hub||1||3.1||Attaches arms to shaft||injection moulded||Plastic - abs?|| | + | | 13||Upper Hub||1||3.1||Attaches arms to shaft||injection moulded||Plastic - abs?||[[Image:Umbrella_part13_upperHub.jpg|100px]][[Image:Umbrella_part13_upperHub_side.jpg|100px]] |
|- | |- | ||
- | | 14||Hub Pin||1||.4||Attaches upper hub to shaft||Formed||Steel|| | + | | 14||Hub Pin||1||.4||Attaches upper hub to shaft||Formed||Steel||[[Image:Umbrella_part14_upperHubPin.jpg|100px]] |
|- | |- | ||
- | | 15||Bumper||1||1.9||Reduces jarring at end of rider travel||injection moulded||Rubber|| | + | | 15||Bumper||1||1.9||Reduces jarring at end of rider travel||injection moulded||Rubber||[[Image:Umbrella_part15_bumper.jpg|100px]] |
|- | |- | ||
- | | 16||Connecting wire||2||.3||Attaches arms to upper hub and rider||Extruded||Aluminum|| | + | | 16||Connecting wire||2||.3||Attaches arms to upper hub and rider||Extruded||Aluminum||[[Image:Umbrella_part16_connectingWire.jpg|100px]] |
|- | |- | ||
- | | 17||Rider||1||8.5||Attaches arm support rod to shaft; allows motion along shaft and attaches to latch||injection moulded||Plastic|| | + | | 17||Rider||1||8.5||Attaches arm support rod to shaft; allows motion along shaft and attaches to latch||injection moulded||Plastic||[[Image:Umbrella_part17_rider.jpg|100px]][[Image:Umbrella_part17_rider_side.jpg|100px]] |
|- | |- | ||
- | | 18||Arm Mainshaft||8||14.9||Attaches canopy to upper hub||Extruded, stamped||Steel|| | + | | 18||Arm Mainshaft||8||14.9||Attaches canopy to upper hub||Extruded, stamped||Steel||[[Image:Umbrella_part18_armMainshaft.jpg|100px]] |
|- | |- | ||
- | | 19||Arm Support Rod||8||4.8||Attaches rider to arm mainshaft||Stamped, formed||Steel|| | + | | 19||Arm Support Rod||8||4.8||Attaches rider to arm mainshaft||Stamped, formed||Steel||[[Image:Umbrella_part19_armSupportRod.jpg|100px]] |
|- | |- | ||
- | | 20||Arm Support Rod Insert||16||.1||Inserts into end of support rod; adds strength at crimp point||Extruded||Steel|| | + | | 20||Arm Support Rod Insert||16||.1||Inserts into end of support rod; adds strength at crimp point||Extruded||Steel||[[Image:Umbrella_part20_armSupportRodInsert.jpg|100px]] |
|- | |- | ||
- | | 21||Arm Endcap||8||.7||Covers exposed end of arm mainshaft||Die cast||Steel|| | + | | 21||Arm Endcap||8||.7||Covers exposed end of arm mainshaft||Die cast||Steel||[[Image:Umbrella_part21_armEndcap.jpg|100px]] |
|- | |- | ||
- | | 22||Short string||16||<.1||Loops between canopy and arm mainshaft/endcap to provide attachment||Spun||Cotton|| | + | | 22||Short string||16||<.1||Loops between canopy and arm mainshaft/endcap to provide attachment||Spun||Cotton||[[Image:Umbrella_part22_shortString.jpg|100px]] |
|- | |- | ||
- | | 23||Arm Joint Connector||8||.5||Connects arm mainshaft and support rod, allows rotation between the two||Stamped, crimped||Steel|| | + | | 23||Arm Joint Connector||8||.5||Connects arm mainshaft and support rod, allows rotation between the two||Stamped, crimped||Steel||[[Image:Umbrella_part23_armJointConnector.jpg|100px]] |
|- | |- | ||
- | | 24||Arm Joint Connector Pin||8||<.1||Connects arm joint connector to support rod||Extruded||Brass|| | + | | 24||Arm Joint Connector Pin||8||<.1||Connects arm joint connector to support rod||Extruded||Brass||[[Image:Umbrella_part24_armJointConnectorPin.jpg|100px]] |
|} | |} | ||
Revision as of 17:26, 19 September 2008
Contents |
Umbrella
Basic introduction information. 'Contents' box is created automatically. To skip directly to a section, use Umbrella#FMEA to create a link.
Parts List
DFA
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- Thing 2
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- Thing 1
- Thing 2
- Thing 2.1
- Thing 2.2
- Thing 3
DFM
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FMEA
Item or Function | Failure Mode | Effects of Failure | S | Causes of Failure | O | Design Controls | D | RPN | Recommended Actions | Responsibility |
Shaft | Splintering | Decreased shaft strength | 5 | Wear | 3 | Coating or finish on shaft | 4 | 60 | ||
Potential safety hazard to user | Material choice | |||||||||
Durability testing | ||||||||||
Breakage | Product is inoperable | 8 | Inappropriate stresses on shaft | 1 | Material Quality | 5 | 40 | |||
Impact | Robust Design | |||||||||
Rot | Reduced Strength | 3 | Poor Protective Coating | 1 | Coating Process Control | 5 | 15 | |||
Handle | Splintering | Decreased handle strength | 7 | Wear | 4 | Coating or finish on handle | 4 | 112 | ||
Potential safety hazard to user | Material choice | |||||||||
Durability testing | ||||||||||
Breakage | Product is inoperable | 7 | Impact | 1 | Material Quality | 5 | 35 | |||
Robust Design | ||||||||||
Rot | Reduced Strength | 3 | Poor Protective Coating | 1 | Coating Process Control | 5 | 15 | |||
Tip | Loss of Protection | Degredation of Shaft | 2 | Wear | 4 | Material choice | 7 | 56 | ||
Part Design | ||||||||||
Top Cap | Corrosion | Decrease In Aesthetics | 2 | Oxidation | 2 | Material choice/Coating | 5 | 20 | ||
Top Cap Retention Pin | ||||||||||
Top Cap Skirt | ||||||||||
Rider Limit Pin | ||||||||||
Rider Latch | Bending | Latch fails to operate | 8 | Inappropriate Loading | 1 | Part Design | 2 | 16 | ||
Jamming | Latch fails to operate | 8 | Corrosion/Foreign Debris/Poor Assembly | 2 | Tolerance control | 4 | 64 | |||
Rider Latch Pin | Loss | Potential Loss of Latch | 5 | Vibration/Poor Assembly | 1 | Proper Assembly | 2 | 10 | ||
Canopy section | Tear | Leak in Umbrella | 7 | Improper Manufacturing/Improper Storage by Consumer | 5 | Material Selection/Manufacturing Control | 4 | 140 | ||
Seam Failure | Leak in Umbrella | 7 | Improper Manufacturing | 3 | Manufacturing Controls | 6 | 126 | |||
Canopy Latch Strap | Seam Failure | Inability to strap umbrella | 5 | Improper Manufacturing | 3 | Manufacturing Controls | 6 | 90 | ||
Canopy Latch Strap Velcro | ||||||||||
Upper Hub | ||||||||||
Hub Pin | Loss | Upper Hub not longer attached to shaft | 8 | Improper Tolerancing/Manufacturing | 1 | Proper Tolerancing/Manufacturing | 2 | 16 | ||
Bumper | ||||||||||
Connecting wire | Breakage | Arms disconnect from shaft | 8 | Wear | 1 | Coating/Material Selection | 6 | 48 | ||
Rider | Button Breakage | Latch more difficult to operate | 6 | Fatigue | 2 | Proper Tolerancing/Manufacturing | 3 | 36 | ||
Arm Mainshaft | Plastic Yielding | Deformed umbrella shape/trouble closing | 7 | Excessive Loading | 6 | Part Design/Material Selection | 4 | 168 | ||
Arm Support Rod | Plastic Yielding | Deformed umbrella shape/trouble closing | 8 | Excessive Loading/Impact | 6 | Part Design/Material Selection/Manufacturing | 4 | 192 | ||
Arm Support Rod Insert | ||||||||||
Arm Endcap | Disassociation from Arm | Partial Canopy Detatchment/Exposed Rod | 7 | Insufficient Crimping/Tolerances | 5 | Manufacturing and Assembly Controls | 3 | 105 | ||
Short string | Snap | Partial Canopy Detatchment | 7 | Excessive Loading/Defective Materials/Poor Manufacturing | 3 | Material Quality/Manufacturing | 5 | 105 | ||
Arm Joint Connector | Plastic Yielding | Non-smooth operation | 2 | Excessive Loading | 2 | Part Design/Material Selection/Manufacturing | 2 | 8 | ||
Seperation from Arm | Impaired operation of umbrella | 8 | Improper Manufacturing | 3 | Manufacturing and Assembly Controls | 3 | 72 | |||
Arm Joint Connector Pin |
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