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Automotive Seat Ingress Egress Tester

Application

The simulated human entry/exit seat test bench employs pneumatic servo control to simulate human entry and exit tests for automotive seats, measuring load, displacement, angle, and other parameters.

Standards

SAE J826-2002 – Anthropomorphic Test Devices for Vehicle Seating Systems

QC/T 740-2017 – Automotive Seat Fatigue Test Standard

Industry standards for automotive seat ingress and egress durability

Parameters

ParameterSpecificationNotes
Dummy Model 3D indenter, 50% SAE J826-2002 Wrapped with 12mm foam and denim
Pressure Head Weight 44.5 kg Adjustable for different test scenarios
Horizontal Slide ~25 mm into cushion Inner rear first with 30° rotation
Load on Pressure Head 445 N Maintained during creep and exit cycles
Rotation Angle 30° Simulates realistic entry angle
Experimental Frequency 4.5 cycles/min Adjustable
Number of Experiments 15.000 simulated ingress/egress cycles

Test Procedures

Prepare the 3D dummy indenter according to SAE J826-2002 standards. Wrap with foam and denim, and add weight to simulate realistic human mass.

Secure the seat assembly on the test bench and adjust to design position.

Program the robot motion for simulated human entry/exit:

Horizontal slide of pressure head into seat, rotating 30°

Align center line of pressure head with seat center

Creep and stabilize pressure head within the seat

Maintain 445 N load while sinking into seat

Continue creep against backrest at 30°

Maintain 445 N load as pressure head is halfway out

Slide along seat cushion edges during exit, simulating edge indentation

Start the test cycle; machine automatically repeats motions at set frequency.

Stop automatically after 15.000 simulated cycles and inspect seat for damage.

Safety and Maintenance

Ensure proper calibration of servo-electric axes and pneumatic actuators.

Check dummy and pressure head integrity before testing.

Maintain and inspect all mechanical and pneumatic components regularly.

Emergency stop and overload protection are built-in for operator safety.

Clean and lubricate moving parts as per manufacturer instructions.


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