Are car shock absorbers reliable or not? This testing machine is the final word in the industry!

In the fields of automobiles, rail transit, and construction machinery, shock absorbers directly determine ride comfort, driving stability, and driving safety. The performance of shock absorbers is a key indicator of whether a car is stable and comfortable to drive. To determine whether the shock absorber is qualified, a high-precision equipment - electro-hydraulic servo shock absorber fatigue testing machine - is indispensable.
Today, we will delve into how the LWS-100A model launched by Jinan Leading Testing Machine has become the "hardcore standard" in the field of shock absorber testing.
1、 Why is it necessary to perform a shock absorber indicator and fatigue test?
Shock absorbers are subjected to compression, tension, and bouncing impacts every day, and long-term use can easily lead to problems such as oil leakage, failure, damping attenuation, and abnormal noise. Professional testing machines can be used to complete:
Indicator test (damping force displacement curve)
Speed characteristic test
Static Friction Test
Temperature characteristic test
Conventional fatigue test
Sine superposition double action fatigue (simulating real road conditions)
Oil gas spring indicator and stiffness test
One sentence: Whether it can be driven on the road and whether it is durable or not, can be determined by testing with a testing machine.
2、 LWS-100A core highlights: high precision, high stability, and high intelligence
This device is independently developed by Jinan Liling Testing Machine and adopts electro-hydraulic servo control. It is specially designed for the full performance testing of shock absorbers and represents the level of high-end testing machines in China.
1. Host structure: Stable and durable, with no compromise on accuracy
Double column gantry frame, integral steel crossbeam
Hydraulic lifting+hydraulic clamping, unchanged during the test
Bottom mounted static pressure support linear servo actuator, piston rod suspended, almost frictionless, strong resistance to lateral forces
Maximum test force ± 100kN, total travel 150mm, maximum speed up to 2m/s
2. Servo oil source: stable and reliable, working continuously for a long time
Pressure 21MPa, flow 75L/min, motor 30kW
German Voith oil pump, domestic top brand motor
Three stage filtration, secondary voltage stabilization, automatic oil temperature control
Equipped with a water cooling system, capable of 24-hour continuous fatigue testing
3. Fully digital control system: intelligent and precise
Dual CPU high-speed processor, control frequency 0.01-30Hz
Supports various waveforms such as sine, square, triangular, and superimposed waves
Force/displacement dual closed-loop control, smooth switching without impact
Real time display of curves, automatic calculation of damping force, asymmetry rate, restoration resistance and other parameters
Automatic storage, export, report generation, and direct printing of data
4. Safety and Protection: Comprehensive Protection
Automatic alarm for overload, overpressure, overtemperature, and clogged oil filter
Automatic shutdown and limit protection for fracture
Safety door interlock ensures safer operation
3、 Key technical parameters (industry reference)
Maximum test force: ± 100kN, accuracy ± 1%
Actuator stroke: ± 75mm (total 150mm)
Test speed: ≥ 2m/s
Frequency range: 0.01-30Hz
Control waveforms: indicator power, sine wave, triangle wave, square wave, superimposed wave, etc
Test space: 300-1000mm
Applicable standards: Test standards for automotive tube shock absorbers on test benches
4、 Widely applicable industries
Automobile OEMs/shock absorber manufacturers
Rail transit, commercial vehicles, engineering machinery
Oil and gas springs, dampers, and combined shock absorbers
Research institutes, testing institutions, and quality inspection laboratories
5、 Manufacturer Strength: Jinan Leading Testing Machine
Jinan Liling is a professional testing machine enterprise that integrates research and development, production, sales, and service. It has:
ISO9001, ISO14001, ISO45001 system certification
CE certification
Type approval certificate for measuring instruments
Multiple utility model patents
Product exports to countries such as Russia, Brazil, and India
The device provides a 12-month free warranty, lifetime maintenance, 1-hour response, and 12 hour on-site service.
VI. Summary
Shock absorbers are the "invisible guardians" of automotive safety, and the LWS-100A electro-hydraulic servo shock absorber fatigue testing machine is the "ultimate judge" that safeguards the quality of shock absorbers. High precision, high stability, high intelligence, and high durability make it the preferred equipment for quality inspection in the industry.
Making shock absorbers, conducting testing, and conducting research and development, choosing the right testing machine can directly double the quality and efficiency!