Seat System Key Life Test

Janilla Lee; Ralph Jones

doi:10.4271/2000-01-1190

2000-03-06

Seat System Key Life Test 2000-01-1190

An accelerated seat durability test was developed to identify potential problems in areas with traditionally high warranty cost and customer dissatisfaction: squeak & rattle and mechanism looseness & efforts. The test inputs include temperature, humidity, road vibration, occupant movements, and mechanism cycling. These inputs were combined into a single 14-day test profile that simulates 10 years and 250,000 km. (approximately 150,000 miles) of 95^th percentile customer usage. Various components of the seat assembly are tested together as a system.

The test was performed on two current production programs. The test produced issues similar to those found in warranty repair data and evaluations of used seats from high-mileage customer-owned vehicles.

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Seat System Key Life Test 2000-01-1190

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