be configured to complete environmental simulation tests at different temperatures.
The testing machine is flexible and convenient to operate. The lifting, locking, and sample clamping
of the moving beam are all completed by button operation. Advanced hydraulic servo drive
technology is used for loading, high-precision dynamic load sensor and high-resolution
magnetostrictive displacement sensor to measure the force of the test piece. value and displacement.
The fully digital measurement and control system realizes PID control of force, deformation and
displacement, and smooth transition between each control. , The test software works under
WINDOWS XP/Win7 Chinese environment, with powerful data processing functions, test conditions
and test results are automatically saved, displayed and printed. The test process is all controlled by
computer. The test machine is an ideal cost-effective test system for scientific research institutes,
metallurgical construction, national defense, colleges and universities,
machinery manufacturing, transportation and other industries.
2.Standard
1) GB/T 2611-2007 "General Technical Requirements for Testing Machines"
2) GB/T16825.1-2008 "Inspection of Static Uniaxial Testing Machine Part 1: Inspection and
Calibration of Force Measuring System of Tensile and (or) Compression Testing Machine"
3) GB/T 16826-2008 "Electro-hydraulic servo universal testing machine"
4) JB/T 8612-1997 "Electro-hydraulic servo universal testing machine"
5) JB9397-2002 "Technical Conditions for Tension and Compression Fatigue Testing Machines"
6) GB/T 3075-2008 "Metal Axial Fatigue Test Method"
7) GB/T15248-2008 "Metallic Material Axial Constant Amplitude Low Cycle Fatigue Test Method"
8) GB/T21143-2007 "Unified test method for quasi-static fracture toughness of metal materials"
9) HG/T 2067-1991 Technical Conditions for Rubber Fatigue Testing Machine
10) ASTM E399-09 Standard test for linear elastic plane strain fracture toughness Kic of metal
materials
11) ASTM E1820 2001, a test standard for measuring JIC of fracture toughness
3.Main Parameters
3.1 Maximum test force: 200kN
3.2 Test force measurement range: 4kN~200kN (2%~100%FS)
3.3 Test force resolution code: 1/180000
3.4 Test force indication accuracy: within ±0.5%
3.5 Displacement measurement range: 0~150(±75)(mm)
3.6 Displacement measurement component force: 0.001mm
3.7 The relative error of displacement measurement indication is within ±0.5%
3.8 The relative error of displacement measurement indication is within ±0.5%
3.9 Acquisition frequency: 0.01~100Hz
3.10 Standard test frequency: 0.01-50Hz
3.11Amplitude:± 0.4mm
3.12 Test waveform sine wave, triangle wave, square wave, half sine wave, half cosine wave, half
triangle wave, half square wave, etc.
4.Host main parameters
4.1 Test space (excluding fixtures) mm: 1000
4.2 Internal effective width mm: 600
4.3 Dimensions (length × width × height) mm: 1000 × 650 × 2850
4.4 Weight (approx.) kg: 1500
5. Structural composition
5.1 Main engine: The main engine is composed of a loading frame, an upper-mounted axial linear
actuator assembly, a hydraulic servo oil source, a measurement and control system, and test
accessories.
5.2 Host loading framework:
The loading frame of the main engine is composed of four columns, movable beams and worktables
to form a closed loading frame. Compact structure, high rigidity, fast dynamic response.
5.2.1 Axial load capacity: ≥±200kN;
5.2.2 Movable beam: hydraulic lifting, hydraulic locking;
5.2.3 Test space: 600×1000mm<width×height>;
5.2.4 Load Cell: (Transcell)
5.2.4.1 Load Cell capacity: 200kN
5.2.4.2 Load Cell linearity: ±0.1%;
5.2.4.3 Load Cell overload: 150%.
5.3 Hydraulic servo axial linear actuator:
5.3.1 Actuator assembly
5.3.1.1 Structure: It adopts the integrated design of servo actuator, servo valve, load sensor and
displacement sensor.
5.3.1.2 Features: The integrated base installation shortens the load chain, improves the system
rigidity, and has good resistance to lateral force.
5.3.1.3 Acquisition frequency: 0.01~100Hz (the test frequency generally does not exceed
70Hz);
5.3.1.4 Configuration:
a. Linear actuator: 1 piece
I. Structure: double-rod double-acting symmetrical structure;
II. Maximum test force: 200 kN;
III. Rated working pressure: 21Mpa;
IV. Piston stroke: ±75mm; Note: Set the hydraulic buffer zone;
b. Electro-hydraulic servo valve: (imported brand)
I. Model: G761
II. Rated flow: 110 L/min 1 piece
III. Rated pressure: 21Mpa
IV. Working pressure: 0.5~31.5 Mpa
c. One magnetostrictive displacement sensor
I. Model: HR Series
II. Measuring range: ±75mm
III. Resolution: 1um
IV. Non-linearity: <±0.01% of full scale>
5.4 Hydraulic servo constant pressure oil source
The pumping station is a standardized pumping station with a modular design. In theory, it can be
cascaded into a large pumping station with any flow rate, so it has good scalability and flexible use.
The total flow rate is 110L/min, and the pressure is 21Mpa. (Adjusted according to
experimental requirements)
Total power 45kW, 380V, three-phase, 50hz, AC.
The pump station is manufactured according to the standard modular design, with mature
technology and stable performance; it is equipped with a relay voltage stabilization module
and connected to the actuator.
The pump station is composed of oil pump, motor, high and low pressure switching valve
group, accumulator, oil filter, oil tank, pipeline system and other parts; The filtration system adopts three-stage filtration: the oil pump suction port, 100μ; the oil
source outlet, the filtration accuracy is 3μ; the relay voltage stabilization module, the
filtration accuracy is 3μ.
The oil pump adopts Germaninternal meshing gear pump, which adopts involute internal
meshing gear meshing transmission, low noise, excellent durability and long life;
The oil pump motor unit is equipped with a vibration damping device (choose a vibration
damping pad) to reduce vibration and noise;
The high and low pressure switching valve group is used to start and stop the hydraulic
system.
Fully enclosed standard servo oil tank, the volume of the oil tank is not less than 460L; it
has functions such as temperature measurement, air filtration, and oil level display;
Flow: 110L/min, 21Mpa
5.5 Forced clamp (optional)
5.5.1 Hydraulic forced clamping chuck:1 set;
Hydraulic forced clamping, working pressure 21Mpa, meets the requirements of high and low
frequency fatigue test of material tension and compression zero crossing.
The working pressure can be adjusted, the adjustment range is 1MP-21Mpa;
Open structure, easy to replace jaws.
The self-locking nut is connected to the load sensor on the upper part of the host and the
actuator piston on the lower part.
Round jaws: 2 pairs; flat jaws: 2 pairs; (expandable)
5.5.2 Compression and bending test fixtures::
Compression platen(φ80mm):1 set
Three-point bending fixtures for crack growth fatigue tests: 1 set
Company Profile
FAQ
1. Are you a manufacturer?
Yes, we are one of the largest manufacturer of every kinds of testing machines in China. In general, every machine shipped from our factory provides 12 months of free maintenance, taking into account shipping reasons. We can extend the maintenance period for our customers for 2 months.
2. Do you have after-sales service? How can I ask? What about warranty?
Before the delivery of the equipment, we will carry out the factory inspection and the equipment will be shipped after the inspection. If your machine does not work properly, you can contact us and we will try our best to communicate with you via email or skype video chat. We promise we will reply to you within 24 hours and with 3 Within a working day to provide solutions. After confirming that it is really necessary, we can send you new parts or on-site maintenance.
The service does not include mechanical failure due to the following reasons:
(1) Wrong operation;
(2) Privately modified;
(3) Failure caused by non-equipment itself
(4) Use environment that is not suitable for equipment operation. Such as high temperature, humidity, corrosive gas or vibration.
(5) Problems caused by movement or transportation.
(6) Consumable components.
(7) Natural disasters
3. What is the delivery deadline?
Most of the time, we have inventory at the factory. If not, the delivery time is usually 15 to 20 days after receiving the payment. If you need it urgently, we can consider making special arrangements for you.
4. What kind of packaging and transportation do you use?
Under normal circumstances, we will use ordinary orders such as DHL, Fedex, UPS TNT transport. Large orders will use aviation or shipping.
5. Can the device be customized? Can I customize my own design on the device?
We can not only provide standard machines, but we can also provide customized machines according to your needs.
At the same time, we can also place your trademark on the machine.
6. What kind of packaging do you use?
Plastic sealed and sturdy wooden box.
7. What payment methods do you support?
Paypal, T/T, Western Union,L/C
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