Multi channel fatigue testing machine for automotive chassis

NegotiableUpdate on 05/06

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Overview

The multi-channel fatigue testing machine for automotive chassis is a core electro-hydraulic servo testing equipment that simulates the real multi-directional composite load of the chassis, evaluates the fatigue life and reliability of sub frame/suspension/control arm/tie rod/ball joint/bushing and other assemblies. The mainstream is 4/6 channels, which can reproduce road spectra and achieve multi axis synchronous loading. It is a standard equipment for chassis development and verification. $r $n 1. Core positioning and purpose

Product Details

Multi channel fatigue testing machine for automotive chassisisSimulate the real multi-directional composite load of the chassis, evaluate the fatigue life and reliability of sub frame/suspension/control arm/tie rod/ball joint/bushing and other assembliesThe core electro-hydraulic servo testing equipment is mainly4/6 通道It is a standard equipment for chassis development and validation, which can reproduce road spectra and achieve multi axis synchronous loading.

1Multi channel fatigue testing machine for automotive chassisCore positioning and purpose

core functionalitySimulate the chassis' endurance during drivingVertical (Z), Vertical (X), Lateral (Y), Twist, Swing, BendEqual multi-directional composite alternating load, completedDurability fatigue, stiffness testing, failure analysis, road spectrum reproduction, ultimate strengthWaiting for the experiment.
Adaptation objectFront and rear subframes, torsion beams, control arms, steering rods, ball joints, bushings, stabilizer bars, axles, suspension assemblies, etc.
core valueReplace actual vehicle durability, shorten development cycle, reduce road test costs, accurately locate weak points, and verify design and process reliability.

2、 System architecture (typical configuration of 4/6 channels)

1. Loading unit (execution core)

Electro-hydraulic servo actuator(4-6 sets): Independent/synchronous drive, coveringVertical ± 20-500kN, longitudinal/lateral ± 10-200kN, torsional ± 50-500N · mTravel range ± 50-300mm; frequency range 0.1-30Hz.
hydraulic pump stationPressure 21-28MPa, flow rate 40-200L/min, oil temperature/liquid level/pressure closed-loop, low noise and energy-saving, multi pump parallel redundancy.
Swing/Rotation MechanismSimulate steering within ± 30-90 °, suspension jumping, ball joint rotation, and reproduce three-dimensional motion posture.

2. Control and Data Unit

Multi channel coordinated controllerFull digital PID closed-loop, supportingForce/displacement/angle/torqueMulti mode smooth switching, channel synchronization error ≤ ± 1ms.
Specialized measurement and control softwareEdit load spectrum, waveform (sine/triangle/random/road spectrum), phase synchronization, cycle counting, automatic shutdown, data storage, report generation, road spectrum iteration.
sensor array: Force/torque/displacement/angle/strain/acceleration, accuracy ± 0.5% FS, high-speed acquisition (≥ 1kHz).

3. Tooling and Environment (optional)

Adjustable specialized fixtureAdapt to different chassis components to ensure precise load transmission, no additional stress, and quick changeover.
high-low temperature chamber-40 ℃~150 ℃, simulate environmental fatigue.
Vibration/Noise/Strain MonitoringEvaluate the abnormal noise, vibration, and stress distribution during the fatigue process.