True Body Weight Ingress Egress Tester

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1. Product Overview

The True Body Weight Ingress/Egress Tester is a specialized machine designed to evaluate either a complete automotive seating system or individual seat components. It provides realistic simulation of human ingress and egress movements, including dynamic interaction with seat cushions, upholstery, and the underlying mechanical structure. The tester can even assess the wear and durability of the occupant’s clothing during repeated use.

2. Product Features

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.

3. Test Principle

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.

4. Applicable 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

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