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Scope of use: Suitable for mechanical property testing such as tensile and compressive testing of metal and non-metal materials. 1The system has the functions of tracking measurement, peak saving, automatic processing of test data, and can print test reports that comply with the mechanical properties of relevant materialsAnd the curve. Equipped with overload protection for testing power; Adopting closed-loop control to achieve control modes such as constant stress and constant displacement, the experimental process can change the control mode, dynamically smooth transition, and continuously variable speed . 2Adopting microcomputer program operation, the program is written in high-level language, and can be modified according to the corresponding mode required by your unit through negotiation. It adopts electro-hydraulic servo closed-loop control, uses high-precision pressure sensors, high-precision electronic measurement amplification devices, and can achieve automatic control of stress and strain, safely and reliably conduct various experiments, and automatically realize data processing and storage. The structure is reasonable, the performance is superior, and the actual operation is convenient and not cumbersome. 3The servo hydraulic control system developed by the Fluid Transmission and Control Research Institute of Zhejiang University, a national key experiment, is adopted. It not only has the high performance, high reliability, and high stability of electronic technology, but also has the characteristics of strong anti pollution ability, low flow rate, and small internal leakage of high-precision servo valves. Accurate displacement speed control can be achieved, including constant load, constant deformation, and stress-strain rate control. Advanced hydraulic design methods,Integrated oil circuit, no leakage, low noise of imported oil pump, long service life,servo valveStable and precise loading. 4A high-precision measurement system Using high-precision sensors and intelligent measurement amplifiers to measure test force and sample deformation, it has the characteristics of wide range and high accuracy. 5Equipped with advanced computer software measurement and control technology
6A high-performance host system The host structure is advanced, with a beautiful and elegant appearance, high rigidity, and smooth operation under high speed and heavy load. 7Testing machine functions: (1)The Widely used: can conduct tensile tests on metal materials, non-metal materials, and composite materials. (2)The Control mode: Equal force value and equal displacement control can be selected. (3)The Switching function: The load and displacement measurement channels can be manually or automatically reset at any time, the range can be automatically selected while still ensuring measurement accuracy, and calibration can be automatically performed. (4)The Automatic saving: Test conditions and test data are automatically saved and can be retrieved if necessary without loss. The experimental results can be accessed freely and the curves can be reanalyzed. (5)The Curve selection: Curve display and printing can be selected as needed. (6)The Curve traversal: You can use the mouse to apply force and deformation values at curve points to obtain various parameters. (7)The Result comparison: Multiple sample characteristic curves can be overlaid, reproduced, and locally enlarged with different colors to achieve analysis and comparison of sample characteristics. (8)The Batch experiment: The experimental conditions are set, and a batch of samples can be tested sequentially. The experimental conditions and sample parameters can be stored and called at any time. (9)The Protection function: Exceeding maximum load10Automatic shutdown at%, sample breakage shutdown protection. (10)Fully automatic control, equivalent5档。
(12)Independent hydraulic servo loading system: using imported hydraulic pump and imported hydraulic valve to ensure low noise and smooth operation of the system. During the testing process, the sample is firmly clamped without slipping. (13)Quick test functionThis machine is equipped with a fast testing function, which is particularly suitable for production needs with a large number of specimens to improve work efficiency. IIIControl requirements and related technical parameters and control processes:
2Experimental force4-100%FS 3Test force resolution0.1kN 4Please refer to the host configuration table for the experimental space 5Test force and other speed control measures0.1-20kN/S 7Displacement control speed0.01-2mm/S 8Maintain force value at any point96More than hours 9Motor power:1.5KW 10Oil pump displacement:1.3cc/r 11、 活塞速度:50mm/min 12Can display and print six types of curves: force-Displacement, force-Deformation, stress-Displacement, stress-Deformation, force-Time deformation-time 13Computer automatic control throughout the entire process 14Control process: This machine is mainly composed of a host and a microcomputer controlled force measurement system. Advanced servo control technology is used to achieve constant loading speed control, with a color screen full Chinese menu prompt, force value and loading curve tracking display, and automatic storage and processing of test data. The tester places the work in a suitable position on the testing machine, clicks on the computer operation interface for testing, and controls the predetermined tension (which can be arbitrarily modified) to maintain pressure15S-30mmAutomatically release, retract the oil cylinder, and replace the test piece.
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