I. Testing Items
1. Functional Durability Tests
- Seat ingress/egress durability
- Seat jounce/creep durability
- Headrest adjustment life cycle
- Seat frame assembly durability
- Seat height adjuster durability
- Seat longitudinal adjustment (slider) durability
- Forward-folding seat life cycle
- Seat armrest durability
- Seatback adjustment durability
- Seat vibration durability
- Reclining/fold-flat seat life cycle
- Simulated human ingress/egress durability
2. Functional Operability Tests
- Seat operating force under extreme temperatures
- Automotive seat track performance
- Headrest rearward linear loading
- Headrest displacement
- Seatback frame assembly stiffness
- Seatback frame assembly clearance
- Seatback adjustment functionality
- Seat assembly longitudinal adjustment functionality
- Seat static stiffness
- Seat armrest strength/stiffness
- Seat operational performance
3. Comfort Tests
- Dynamic comfort evaluation
- Seat system modal analysis
- Pressure distribution mapping
- Seat vibration/noise testing
4. Dimensional Measurements
- Headrest dimensional compliance
- Front row seat assembly requirements
- Seat reference point (H-point/R-point) measurement
- Seatback angle verification
5. Strength & Regulatory Compliance Tests
- Seatbelt anchor point strength
- Seat system strength
- Seatback/recliner mechanism strength
- Seatback energy absorption
- Front seat luggage impact/headrest energy absorption
- Side airbag static deployment
6. Material, Environmental & Chemical Tests
- Material properties (dimensions, appearance, color difference, gloss, density, flammability, water absorption, Vicat softening temperature, heat distortion temperature, tensile/flexural strength, fogging resistance)
7. Reliability & Environmental Endurance
- Temperature/humidity resistance
- Chemical resistance
- Vibration/shock resistance
- Fatigue resistance
- Scratch/salt spray/UV resistance
- Accelerated aging
8. Restricted Substances Testing
- ELV (End-of-Life Vehicle) restricted substances
- Flame retardants, phthalates, PAHs, asbestos, SVHC
- Volatile organic compounds (VOCs):
- Odor, total carbon emission, benzene, toluene, xylene, formaldehyde, acetaldehyde
Testing Equipment:
- Robotic testing system
- Semi-anechoic chamber + 5T electromagnetic vibration system
- Walk-in environmental chamber
- Four-post vibration test system
- Airbag deployment test system
- 3D coordinate measuring machine, body pressure distribution mat, SAE manikin
- Seat jounce test rig
- Multi-functional seat durability test rig
- Seat fold-flat test rig
- Pneumatic universal test rig
- Seat height adjuster test rig
- Environmental reliability test equipment
- Seat material/chemical analysis equipment
II. Testing Standards
1. National & Automotive Industry Standards (China)
- GB 15083-2006: Strength requirements and test methods for automotive seats, anchorages, and head restraints
- GB 11551-2003: Occupant protection in frontal collisions
- GB 11550-2009: Head restraint strength requirements and test methods
- GB 24406-2009: School bus seat strength
- GB 13057-2003: Bus seat strength
- QC/T 740-2005: Passenger car seat assembly
- QC/T 805-2008: Passenger car seat slider specifications
- QC/T 55-1993: Dynamic comfort test method
- QC/T 633-2009: Bus seat test methods
- QC/T 56-1993: Seat cushion material performance
2. Domestic Enterprise Standards (China)
- Chery B11: Seat assembly technical specifications
- Q/SQR 04.180-2004: Front seatback frame assembly
- EQCT-201-2000: Fatigue test for adjustable seatbacks
- EQCT-164-1999: Seat upholstery performance
3. European/American Standards
- SAE J826-95: Vehicle seating accommodation measurement
- ECE R25: Head restraint approval regulations
- STE 9646364399: Complete seat standard (Ford/CN)
- Seat SDS 5.0: Ford seat system specification
- BMW PR 4301-4_2000: Seat noise requirements
- GMW14364: Seat durability test (ingress/egress/jounce)
4. Japanese/Korean Standards
- Nissan Design Specification: Seat assembly requirements
- 87000NDS00: Front/rear seat assembly
- SES E 602-08_2005: Seat reliability test
- ES 88000-10/ES 88001-10: Vehicle seat strength
- 8103ZSYJ_0030_A1102990: Dongfeng Honda seat specifications
This comprehensive testing regime ensures automotive seats meet global safety, durability, and comfort standards.
