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  • Electrohydraulic servo - type elastic fatigue testing machine.

產品名稱:Electrohydraulic servo - type elastic fatigue testing machine.

產品型號:BJPL-50KN

產品量程:50KN

Electrohydraulic servo - type elastic fatigue testing machine.立即咨詢Electrohydraulic servo - type elastic fatigue testing machine.在線留言

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產品簡介

Electro-hydraulic servo elastic fatigue testing machine is a new series of new products developed by our company based on electro-hydraulic servo-type dynamic and dynamic testing machine.

This series of products are easy to use, high precision and good reliability.

50kN electro-hydraulic servo elastic fatigue testing machine is one of the series of dynamic and dynamic testing machines.

This series of products have the advantages of convenient use, high control precision and good reliability.

This series of machine in the process of development, the development from the international advanced electro-hydraulic servo dynamic testing machine technology, combined with the actual use status of domestic users, using "unitization, modular, standardized" development concept design.

Testing machine of key parts were picked from the international and domestic famous brands of the same kind of product or finished in adopting international advanced technology and greatly improve the stability and reliability of the system, and the testing machine the overall performance of the technical level with the international advanced products.

The electro-hydraulic servo-dynamic universal testing machine is widely used in the dynamic and static mechanical test of materials and parts, including the stretching, compression, low cycle and high cycle fatigue test of materials and components.

It can be used for crack propagation fracture mechanics of various materials and other kinds of mechanical tests by configuring corresponding accessories and test software.


執行標準

TB/ t2329-2002 elastic fatigue test method and elastic bar technical standard.

功能特點

The main engine is a double column frame structure, and the 50kN servo linear actuator is placed on the upper part of the main beam.

1, host to the double column frame type structure, the beam movement adopts hydraulic elevator, hydraulic clamping, loosen structure elasticity and ensure the test beams in the process of stable and reliable, and at the same time guarantee in the state of the test beams remain locked up.

2. Hard chrome plating on the outer surface of the column can effectively increase the anti-wear ability of the column, improve the anti-corrosion ability, and increase the appearance of the host.

3, beam movement (lifting, clamping) driver module USES German Harvey HAWE hydraulic components manufacturing company, has the ultra high pressure (70 mpa), the characteristics of zero leakage, reversing valve adopts HAWE manual reversing valve, guarantee to ensure the reliability of the test.

4. A high precision LVDT displacement sensor is used in the actuator to measure the displacement of the test.

The actuator is equipped with a hydraulic module consisting of a filter precision of 0.003mm precision filter and a two-stage electro-hydraulic servo valve with a pulse, energy storage function and a special two-stage electro-hydraulic servo valve.

The precision filter is installed in front of the electro-hydraulic servo valve, which can effectively prevent the electrohydraulic servo valve from being blocked by hydraulic oil pollution.

5. The servo valve adopts the special electro-hydraulic servo valve of fatigue testing machine, ff106-95 (flow 95L/min).

6, unitization, standardization and modular design of the servo Linear actuation devices have low damping and high response, high life, the characteristics of big gap actuator design concepts and American MTS Series 244 completely equivalent Linear Actuators.

7. The sealing elements of the servo line actuator are all made of German servo actuator special high speed sealing element.

The support of actuator piston rod breaks the traditional design and adopts non-metallic support and large gap design, which has the characteristics of high speed non-sintering and self-lubrication.

The above sealing method can effectively reduce the internal friction resistance of the actuator and improve the service life of the actuator.

8. The servo linear actuator is designed to design the hydraulic buffer in the amplitude limit position to avoid the damage caused by running out of control.

9. Servo linear actuator frequency response is not less than 50Hz.

10. Equipped with the dynamic special high-precision load sensor of the us company, which is used for measuring test load.

The prestressed ring is designed to improve the dynamic response performance.

11. Design sample clamping, beam movement and emergency stop operation button station, so as to facilitate the operator's operation.

12, the host has a compact structure, high beam lifting freely, frame stiffness, specimen clamping reliable and good to neutral, the clamping is convenient wait for a characteristic, and can be equipped with all kinds of fixture and environmental testing device to extend the test function.

13. The clamping jaw is made of high-strength alloy steel, and the surface quenching and carburizing treatment is reliable during the test process, and the service life of the jaws is guaranteed.


技術參數

1. The maximum static test force: -50kn, with the attenuation multiple of 1 and 10 respectively, and the accuracy of the display value is 20%, plus or minus 1%.

2. Maximum dynamic test force: + / -50kn, amplitude fluctuation is not greater than + 2 FS.

3. Maximum amplitude of actuator: plus or minus 50mm, and the accuracy of the indicator is 20%, plus or minus 0.5%FS.

4. Frequency range: 0.1 -- 20Hz.

5. Main test waveform: supported by the controller.

6. Specification of constant pressure servo pump station: flow 40L/min, 21Mpa, motor power 22kW;

7. Column spacing: 500mm;

8. Maximum test space: 560mm.

9. Configuration list of main components:

(1) main frame (including actuator body) : self-restraint, imported sealing parts, 1 set;

(2) servo valve: ff106-95, 21MPa,100L/min,1 set;

(3) sensor: 50kN tension dynamic load sensor, overload capacity 110%, accuracy 0.05% 1 set;

(4) LVDT displacement sensor: FG, plus or minus 75mm, accuracy 0.05%,1 set;

(5) oil source, 1 set: rated pressure 21MPa, rated flow 40L/min.

(6) motor (ABB),22kW;

(7) high pressure pump (mazouchi Italy) 40L/min, 32MPa gear pump;

(8) overflow valve (new);

(9) quick unloading valve group (self-made);

(10) automatic cooler (domestic);

(11) filter oil filter (one of the coarse filters, one of the fine filters) (domestic, wenzhou dawn);

(12) accumulator (domestic);

(13) electrical contact temperature meter, air filter, liquid level relay, pressure gauge and other accessories (domestic);

(14) tank body and other (self-made).

(15) controller :(self-made), 1 set (including connectors);

(16) pipeline system (PARKER);

(17) industrial control computer: lenovo;

(18) printer: HP laser A4(HP);

(19) software (self-made);

(20) control cabinet (self-made);


下一篇:Microcomputer control dynamic universal fatigue testing machine.

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