True Body Weight Ingress Egress Tester

Produced by: Standard Groups

All supplier products

The tester applies repeated motion sequences to the seat to simulate realistic human ingress and egress. Key evaluation criteria include:

Seat frame integrity (no cracks)

Foam deformation (none allowed)

Fabric and padding wear (minimal to none)

Maximum H-point variation within rated range

The tester can simulate vibration at 100 cycles per minute, with typical cycle counts of:

Seat cushion: 100.000 cycles

Backrest: 50.000 cycles

This ensures comprehensive fatigue and wear evaluation under true dynamic loading conditions.

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

Four servo-electric motor-driven axes and three pneumatic functions for realistic movement.

Simulates in & out, right & left, up & down, rotation, free weight drop & recapture, and independent leg motion.

True body weight simulation (35–100kg) for realistic dynamic loading, including inertia effects.

Concurrent and programmable motion sequences for highly life-like testing.

Evaluates seat cushion, backrest, frame, foam, and fabric durability under repeated entry and exit cycles.

Adjustable test frequency, amplitude, and cycle count with automatic stop at the end of the test.

Parameter	Specification	Notes
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	—

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