济南中创试验机
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金属检测设备系列

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Zhongchuang takes you to understand the fatigue performance of leaf springs

  • Categories:公司新闻
  • Author:Jnzcgy
  • Origin:济南中创弹簧试验机
  • Time of issue:2020-08-10 10:13

(Summary description)Electro-hydraulic servo spring testing machine, our company adopts the domestic leading mature electro-hydraulic servo dynamic test technology, combined with many years of experience in the spring testing machine industry, and developed for the static performance of leaf spring and dynamic fatigue series of products.
The testing machine has the dual functions of static and dynamic tests, and integrates the traditional static and dynamic tests on a testing machine, which has important economic and technical value.

Zhongchuang takes you to understand the fatigue performance of leaf springs

(Summary description)Electro-hydraulic servo spring testing machine, our company adopts the domestic leading mature electro-hydraulic servo dynamic test technology, combined with many years of experience in the spring testing machine industry, and developed for the static performance of leaf spring and dynamic fatigue series of products.
The testing machine has the dual functions of static and dynamic tests, and integrates the traditional static and dynamic tests on a testing machine, which has important economic and technical value.

  • Categories:公司新闻
  • Author:Jnzcgy
  • Origin:济南中创弹簧试验机
  • Time of issue:2020-08-10 10:13
  • Views:
Information

What is a leaf spring:
Leaf Spring is the most widely used elastic element in automobile suspension. It is an elastic beam of approximately equal strength composed of several alloy Spring plates of equal width but unequal length (thickness can be equal or not equal).
Executive standard:
JB3383 Test Method for Automobile Leaf Spring Bench
JB523 Technical Requirements for Automobile Leaf Springs
QC T 29035-91 Tests as required in technical Conditions for Automobile Leaf Springs standard.
Leaf spring dynamic and static fatigue testing machine
Electro-hydraulic servo spring testing machine, our company adopts the domestic leading mature electro-hydraulic servo dynamic test technology, combined with many years of experience in the spring testing machine industry, and developed for the static performance of leaf spring and dynamic fatigue series of products.
The testing machine has the dual functions of static and dynamic tests, and integrates the traditional static and dynamic tests on a testing machine, which has important economic and technical value.
 

Main technical indicators:(Please contact our sales staff for specific test parameters)

1. Maximum static test force: ±50kN, indicating accuracy ±1%;

2. Maximum dynamic test force: ±50kN, amplitude fluctuation not greater than ±2%FS;

3. Maximum amplitude of the actuator: ±150mm, indicating the accuracy of 20% ±0.5%FS;

4. Frequency range: 0.1-15Hz;The amplitude and frequency cannot both satisfy the maximum,Wherein, the following amplitude-frequency characteristics are satisfied:Amplitude (mm) ±16 ±32 ±64 ±125Frequency (Hz) 4 2 1 0.5

5. Main test waveform: sinusoidal wave, square wave, triangular wave, oblique wave, etc.;

6. Control mode: two loops, deformation and test force;

7. It has functions of overload protection, fracture protection, automatic stop at the end of test, etc.;

8. Pumping station: flow 90L/min, 21Mpa, motor power 37kW, 380V, 50Hz;

9. Counter capacity: 108

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