Ski rack dfma
From DDL Wiki
(Difference between revisions)
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| 7 | | 7 | ||
| 105 | | 105 | ||
+ | |- | ||
+ | | Bracket | ||
+ | | Hold the rack onto the crossbars | ||
+ | | Mounting Grooves Wear | ||
+ | | Rack Unstable | ||
+ | | 5 | ||
+ | | Vibrations | ||
+ | | 3 | ||
+ | | Material Choice | ||
+ | | 5 | ||
+ | | 75 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Will Not Open | ||
+ | | Cannot go skiing | ||
+ | | 7 | ||
+ | | Frozen | ||
+ | | 5 | ||
+ | | Material Choice | ||
+ | | 8 | ||
+ | | 280 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Will Not Open | ||
+ | | Cannot go skiing | ||
+ | | 7 | ||
+ | | Deformation | ||
+ | | 6 | ||
+ | | Material Choice | ||
+ | | 8 | ||
+ | | 280 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Will Not Open | ||
+ | | Cannot go skiing | ||
+ | | 7 | ||
+ | | Lost / Broken Key | ||
+ | | 4 | ||
+ | | Extra Key | ||
+ | | 1 | ||
+ | | 28 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Will Not Open | ||
+ | | Cannot go skiing | ||
+ | | 7 | ||
+ | | Broken Rivet | ||
+ | | 2 | ||
+ | | Material Thickness | ||
+ | | 6 | ||
+ | | 84 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Will Not Close | ||
+ | | Cannot go skiing | ||
+ | | 7 | ||
+ | | Broken Latch | ||
+ | | 5 | ||
+ | | Material Choice | ||
+ | | 2 | ||
+ | | 70 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Will Not Close | ||
+ | | Cannot go skiing | ||
+ | | 7 | ||
+ | | Deformation | ||
+ | | 6 | ||
+ | | Material Choice | ||
+ | | 4 | ||
+ | | 168 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Will Not Close | ||
+ | | Cannot go skiing | ||
+ | | 7 | ||
+ | | Lock Frozen Locked | ||
+ | | 4 | ||
+ | | Seal Lock to prevent moisture from entering | ||
+ | | 4 | ||
+ | | 112 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Will Not Close | ||
+ | | Cannot go skiing | ||
+ | | 7 | ||
+ | | Broken / Worn Spring | ||
+ | | 3 | ||
+ | | Spring Choice | ||
+ | | 5 | ||
+ | | 105 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Will Not Close | ||
+ | | Cannot go skiing | ||
+ | | 7 | ||
+ | | Broken Rivet | ||
+ | | 2 | ||
+ | | Material Choice | ||
+ | | 6 | ||
+ | | 84 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Opens on its own | ||
+ | | Loss of Skis, Potentially Fatal Accidents | ||
+ | | 9 | ||
+ | | Deformation | ||
+ | | 6 | ||
+ | | Material Choice | ||
+ | | 4 | ||
+ | | 216 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Opens on its own | ||
+ | | Loss of Skis, Potentially Fatal Accidents | ||
+ | | 9 | ||
+ | | Weakened Plastic | ||
+ | | 7 | ||
+ | | Material Choice | ||
+ | | 6 | ||
+ | | 378 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Opens on its own | ||
+ | | Loss of Skis, Potentially Fatal Accidents | ||
+ | | 9 | ||
+ | | Driving Forces Break Latch | ||
+ | | 3 | ||
+ | | Minimize Forces, Material Choice | ||
+ | | 10 | ||
+ | | 270 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Opens on its own | ||
+ | | Loss of Skis, Potentially Fatal Accidents | ||
+ | | 9 | ||
+ | | Ratchet Tooth Failure | ||
+ | | 4 | ||
+ | | Avoid Use of Ratchet Teeth | ||
+ | | 8 | ||
+ | | 288 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Opens on its own | ||
+ | | Loss of Skis, Potentially Fatal Accidents | ||
+ | | 9 | ||
+ | | Broken / Worn Spring | ||
+ | | 3 | ||
+ | | Spring Choice | ||
+ | | 5 | ||
+ | | 135 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Opens on its own | ||
+ | | Loss of Skis, Potentially Fatal Accidents | ||
+ | | 9 | ||
+ | | Broken Rivet | ||
+ | | 2 | ||
+ | | Material Thickness | ||
+ | | 6 | ||
+ | | 108 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Not Fully Closed | ||
+ | | Chance of Opening leading to loss of skis, potentially fatal accidents | ||
+ | | 9 | ||
+ | | Ratchet Tooth Barely Engaged | ||
+ | | 6 | ||
+ | | Color Notification | ||
+ | | 2 | ||
+ | | 108 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Not Fully Closed | ||
+ | | Chance of Opening leading to loss of skis, potentially fatal accidents | ||
+ | | 9 | ||
+ | | Debris in the Way | ||
+ | | 8 | ||
+ | | Color Notification | ||
+ | | 2 | ||
+ | | 144 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Not Fully Closed | ||
+ | | Chance of Opening leading to loss of skis, potentially fatal accidents | ||
+ | | 9 | ||
+ | | Too much in the rack | ||
+ | | 6 | ||
+ | | Color Notification | ||
+ | | 2 | ||
+ | | 144 | ||
+ | |- | ||
+ | | Latch | ||
+ | | Open and Close the Ski Rack on Request | ||
+ | | Not Fully Closed | ||
+ | | Chance of Opening leading to loss of skis, potentially fatal accidents | ||
+ | | 9 | ||
+ | | | ||
+ | | | ||
+ | | | ||
+ | | | ||
+ | | | ||
|- | |- | ||
+ | |||
+ | |||
+ | |||
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Revision as of 13:36, 4 February 2011
Ski Rack DFMA
Assembly | Function | Potential Mode of Failure | Potential Effect of Failure | Sev | Potential Cause of Failure | Occurance | Detection Controls | Detection | RPN |
---|---|---|---|---|---|---|---|---|---|
Bracket | Hold the rack onto the crossbars | Plastic Cracks | Rack Unstable | 5 | Cold | 2 | Material Choice | 1 | 10 |
Bracket | Hold the rack onto the crossbars | Plastic Cracks | Rack Unstable | 5 | Poor Manufacturing | 4 | N/A | 6 | 120 |
Bracket | Hold the rack onto the crossbars | Plastic Cracks | Rack Unstable | 5 | Vehicle Crash | 4 | N/A | 10 | 200 |
Bracket | Hold the rack onto the crossbars | Plastic Cracks | Rack Unstable | 5 | Overtorque | 4 | Allen Key Size | 7 | 140 |
Bracket | Hold the rack onto the crossbars | Bolt Shears | Rack Unstable | 5 | Vehicle Crash | 4 | N/A | 10 | 200 |
Bracket | Hold the rack onto the crossbars | Bolt Shears | Rack Unstable | 5 | Rust | 7 | Use Stainless Steel | 5 | 175 |
Bracket | Hold the rack onto the crossbars | Bolt Shears | Rack Unstable | 5 | User Bolt - Not Factory | 3 | Specific Shape and Thread | 10 | 150 |
Bracket | Hold the rack onto the crossbars | Bolt Shears | Rack Unstable | 5 | Overtorque | 4 | Allen Key Size | 7 | 140 |
Bracket | Hold the rack onto the crossbars | Bolt Shears | Rack Unstable | 5 | Undertorque | 3 | Allen Key Size | 7 | 105 |
Bracket | Hold the rack onto the crossbars | Mounting Grooves Wear | Rack Unstable | 5 | Vibrations | 3 | Material Choice | 5 | 75 |
Latch | Open and Close the Ski Rack on Request | Will Not Open | Cannot go skiing | 7 | Frozen | 5 | Material Choice | 8 | 280 |
Latch | Open and Close the Ski Rack on Request | Will Not Open | Cannot go skiing | 7 | Deformation | 6 | Material Choice | 8 | 280 |
Latch | Open and Close the Ski Rack on Request | Will Not Open | Cannot go skiing | 7 | Lost / Broken Key | 4 | Extra Key | 1 | 28 |
Latch | Open and Close the Ski Rack on Request | Will Not Open | Cannot go skiing | 7 | Broken Rivet | 2 | Material Thickness | 6 | 84 |
Latch | Open and Close the Ski Rack on Request | Will Not Close | Cannot go skiing | 7 | Broken Latch | 5 | Material Choice | 2 | 70 |
Latch | Open and Close the Ski Rack on Request | Will Not Close | Cannot go skiing | 7 | Deformation | 6 | Material Choice | 4 | 168 |
Latch | Open and Close the Ski Rack on Request | Will Not Close | Cannot go skiing | 7 | Lock Frozen Locked | 4 | Seal Lock to prevent moisture from entering | 4 | 112 |
Latch | Open and Close the Ski Rack on Request | Will Not Close | Cannot go skiing | 7 | Broken / Worn Spring | 3 | Spring Choice | 5 | 105 |
Latch | Open and Close the Ski Rack on Request | Will Not Close | Cannot go skiing | 7 | Broken Rivet | 2 | Material Choice | 6 | 84 |
Latch | Open and Close the Ski Rack on Request | Opens on its own | Loss of Skis, Potentially Fatal Accidents | 9 | Deformation | 6 | Material Choice | 4 | 216 |
Latch | Open and Close the Ski Rack on Request | Opens on its own | Loss of Skis, Potentially Fatal Accidents | 9 | Weakened Plastic | 7 | Material Choice | 6 | 378 |
Latch | Open and Close the Ski Rack on Request | Opens on its own | Loss of Skis, Potentially Fatal Accidents | 9 | Driving Forces Break Latch | 3 | Minimize Forces, Material Choice | 10 | 270 |
Latch | Open and Close the Ski Rack on Request | Opens on its own | Loss of Skis, Potentially Fatal Accidents | 9 | Ratchet Tooth Failure | 4 | Avoid Use of Ratchet Teeth | 8 | 288 |
Latch | Open and Close the Ski Rack on Request | Opens on its own | Loss of Skis, Potentially Fatal Accidents | 9 | Broken / Worn Spring | 3 | Spring Choice | 5 | 135 |
Latch | Open and Close the Ski Rack on Request | Opens on its own | Loss of Skis, Potentially Fatal Accidents | 9 | Broken Rivet | 2 | Material Thickness | 6 | 108 |
Latch | Open and Close the Ski Rack on Request | Not Fully Closed | Chance of Opening leading to loss of skis, potentially fatal accidents | 9 | Ratchet Tooth Barely Engaged | 6 | Color Notification | 2 | 108 |
Latch | Open and Close the Ski Rack on Request | Not Fully Closed | Chance of Opening leading to loss of skis, potentially fatal accidents | 9 | Debris in the Way | 8 | Color Notification | 2 | 144 |
Latch | Open and Close the Ski Rack on Request | Not Fully Closed | Chance of Opening leading to loss of skis, potentially fatal accidents | 9 | Too much in the rack | 6 | Color Notification | 2 | 144 |
Latch | Open and Close the Ski Rack on Request | Not Fully Closed | Chance of Opening leading to loss of skis, potentially fatal accidents | 9 |