Ski rack dfma

From DDL Wiki

Revision as of 13:36, 4 February 2011 by Jbizzak@andrew.cmu.edu (Talk | contribs)
Jump to: navigation, search

Ski Rack DFMA

Ski rack

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
Personal tools