In high-end manufacturing and research and development fields such as aerospace, automotive manufacturing, rail transportation, energy equipment, and research institutes, the fatigue performance of materials and components directly affects the service life and safety of products. The microcomputer controlled electro-hydraulic servo fatigue testing machine series of Jinan Xinguang Testing Machine Manufacturing Co., Ltd. (hereinafter referred to as "Xinguang") provides high-precision and fully automatic solutions for dynamic and static mechanical performance testing of metal materials, composite materials, structural components, and elastic elements.
The core of fatigue performance testing for materials and components lies in accurately measuring their stress-strain response and fatigue life under cyclic loading. The Xin Optoelectronic Liquid Servo Fatigue Testing Machine is designed strictly in accordance with national and international standards, and has the following outstanding advantages:
1、 High dynamic response performance, covering the entire range of tonnages
Adopting imported electro-hydraulic servo valves and high response actuators, it can provide various tonnage models such as 50kN, 100kN, 200kN, 500kN, 1000kN, etc. The static/dynamic testing force covers a wide range, with amplitude fluctuations not exceeding ± 2% FS for each level, which can meet the low cycle and high cycle fatigue testing requirements of metal materials, composite materials, and components.
2、 Four column frame type host structure, stable and reliable
The host adopts a four column frame structure, and the crossbeam action adopts a hydraulic lifting, hydraulic clamping, and elastic release structure to ensure the stability and reliability of the crossbeam during the test process. The tabletop is uniformly equipped with T-shaped fixing grooves, which facilitate the fixation and clamping of samples. Cast T-shaped iron base plate with reserved holes for easy installation of various styles. This high stiffness rack design ensures the authenticity and reliability of test data during large tonnage loading.
3、 High precision measurement and control system, three closed loop collaborative control
Equipped with high-precision load sensors and displacement measurement systems, the test force indication accuracy is better than ± 0.5% (0.5 level accuracy), the effective measurement range covers 1% to 100% FS, and the load measurement resolution is as high as 1/250000 yards. The displacement resolution can reach 0.001mm. The control system supports three control modes: load, displacement, and deformation, and can achieve smooth switching. The PID parameters can be adjusted online.
4、 Fully automatic closed-loop control, rich and diverse waveforms
Adopting a fully digital hydraulic servo controller, it supports multiple control methods such as constant rate test force, constant rate stress, and constant rate displacement. Built in function generator, which can achieve precise control of various waveforms such as sine wave, triangular wave, trapezoidal wave, oblique wave, square wave, etc. With a sampling frequency of up to 500Hz, it can capture subtle changes in materials during dynamic loading in real time and accurately draw various test curves.
5、 Multi functional testing capability, one machine with multiple uses
By configuring corresponding accessories and testing software, mechanical performance tests of various materials and components can be completed, covering comprehensively:
-Material fatigue testing: tensile compressive fatigue, low cycle fatigue, high cycle fatigue of metal materials and composite materials
-Fracture mechanics tests: crack propagation rate test, fracture toughness test (KIC, CTOD, etc.)
-Component testing: dynamic and static performance testing of various structural components, elastic elements, and shock absorbers
-Environmental simulation test: equipped with high and low temperature environmental chambers, capable of conducting mechanical performance tests under conditions of -30 ℃ to 200 ℃
6、 Constant pressure servo pump station, stable and reliable
Configure a high-precision constant pressure servo pump station, using imported hydraulic components and high-efficiency cooling and filtering devices. The specifications of the pump station can be customized according to user needs, with a pressure of 21Mpa and a filtration accuracy of 3 µ, ensuring the stability of the system's long-term continuous operation.
7、 Intelligent software system, efficient data management
The measurement and control software independently developed by Xinguang adopts the Chinese Windows platform, with a beautiful and elegant interface. Support real-time display and storage of various test curves such as load time, displacement time, strain life, etc. The test results can be queried and printed, and automatically generate testing reports that meet the standard requirements. The data supports exporting in various formats such as Word, Excel, PDF, etc., meeting the requirements of the laboratory quality management system.
The Xin Guang microcomputer controlled electro-hydraulic servo fatigue testing machine complies with the following national standards and international specifications:
-GB/T3075 "Method for axial force control in fatigue testing of metallic materials"
-GB/T26076 "Fatigue Test Method for Axial Loading of Metallic Materials"
-GB/T26077 "Axial strain control method for fatigue testing of metallic materials"
-GB/T4161 "Test Method for Plane Strain Fracture Toughness KIC of Metallic Materials"
-GB/T21143 "Unified test method for quasi-static fracture toughness of metallic materials"
-International standards such as ISO1099, ASTME466, ASTME647, etc
The product is widely used in the following fields:
-Aerospace: Million level high cycle fatigue verification of aircraft landing gear, engine blades, and fuselage structural components
-Automotive manufacturing: Low cycle fatigue and road spectrum simulation tests for key components such as transmission shafts, steering knuckles, suspension systems, etc
-Rail Transit: Durability Testing of Train Axles, Wheelsets, and Shock Absorbers
-Energy equipment: fatigue assessment of wind turbine gearboxes, nuclear power pressure vessels, and petroleum pipelines
-Research Institute: Development and Validation of New Materials and Processes, and Study of Mechanical Properties
-Quality inspection agency: As the core equipment for third-party testing and certification, it carries out product quality supervision and inspection
Regarding Xinguang:
Jinan Xinguang Testing Machine Manufacturing Co., Ltd. was established in 2002 and is a national high-tech enterprise specializing in the research and development, manufacturing, and sales of mechanical testing instruments. The registered capital is 100 million yuan, the company has more than 120 employees, a building area of about 16000 square meters, and 151 sets of various large-scale CNC machining centers and specialized machine tools, with a processing and production capacity ranking among the top in the industry.
The company's main products cover a full range of categories including electronic universal testing machines, hydraulic universal testing machines, electro-hydraulic servo fatigue testing machines, fully automatic impact testing machines, high-strength bolt detectors, compression shear testing machines, etc. They are widely used in national defense and military industries, research institutes, quality inspection institutions, and major factories and mining enterprises, and are exported to international markets such as North America, Europe, the Middle East, Southeast Asia, and South Korea.
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