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Coyote Test Cell with Abuse Conditions Cam Gear Slip (Measured '…
Coyote Test Cell with Abuse Conditions Cam Gear Slip
Measured 'Fake' Cam Gear Slip
Sensor misread/delay
Software Error
Tone Wheel Slip
Real Cam Gear Slip
Excessive Loading
Cyclic loads too high
Valve Train Loads too High
Cyclic Loads on gear train not fully understood
Cam Gear Vibration
Impact forces too high
Gear backlash setting too high and causes excessive
Unpredicted cranknose torsional activity
Clutch/Driveline Dampling too Low
Too high driveline moment of inertia
Excessive and Cyclic both need to branch off of Peak Cylinder Pressure and
Incorrect part specification
Retention load too low
Service Variation
Copy Loctite
Assembly Variation
Part Defects
Handling damage
Component geometry not to specification
Assembly Procedure
Loctite process variation too high
Quantity Applied
Age of Loctite
Set time
Inadequate cleaning of joint before assembly
Assembly/torque procedure too difficult to follow or unclear
Improper Joint Design
Bolted joint has insufficient preload
Taper is not designed correctly to handle loads
Test Cell Induced
Dyno causes higher gear train loads than are witnessed in the field