Universal Testing Machine With Single Test Space Servo Hydraulic
Standards:
EN ISO 6892-1, EN ISO 15630-1, EN ISO 7500-1, EN 10002, ASTM A370, UNI 7676
Description:
Using hydraulic power source drive, electro-hydraulic servo control technology, computer data acquisition and processing, it is a high-precision material test equipment that can realize closed-loop control and automatic detection. It is composed of four parts: test host, oil source (hydraulic power source), measurement and control system, and test instruments. The accuracy grade of the test machine is better than grade 1.
It can meet all the standard tests in the international regulations on metal tensile test, and can also realize the tensile, compression, shear, repeated tension and compression tests of different materials or products according to other standards. It can calculate the tensile strength, yield strength, specified non proportional extension strength, elastic modulus, residual deformation and other performance indicators of the measured materials, and can realize equal rate loading, equal rate deformation, equal rate displacement Constant rate strain and other closed-loop control can be used to verify the process qualification performance of materials or products.
The testing machine is a four column, single space, oil cylinder overhead structure. The main oil cylinder adopts a two-way differential oil cylinder to realize the two-way control of tension and pressure in one space. The standard model is equipped with V-shaped and plane jaws for clamping cylindrical specimens and flat specimens for tensile tests.
Optional upper and lower crossbeams are equipped with hydraulically controlled flat push clamping jaws, and the four oil cylinder oil sources of the hydraulic flat push fixture are connected with high-precision synchronous pressure compensation flow control valves. Through the self-adjusting flow control valve, each pair of clamping pistons can be extended synchronously without being affected by the resistance of their respective oil cylinders. Using the clamping capacity of the jaw, the two-way zero crossing tension and compression test of materials can be carried out. The test efficiency is high, and the repeated tension and compression test of high stress and large deformation of steel bar connection can be completed.
The design of the main machine of the testing machine considers the possibility of expanding and assembling other fixtures to complete more tests. For example, the bolt fixture can be used to stretch and maintain the load of the bolt, and the shear fixture can be used to conduct the round bar shear strength test. In addition, the product tests can be completed with steel ball, anchor chain, fastener and other fixtures.
Features:
l Four column providing superior axial and lateral stiffness and precision alignment
l Hydraulic servo-controlled system regulating the load rate
l Single space, oil cylinder top mounted structure, the main oil cylinder adopts two-way differential oil cylinder to realize tension and pressure two-way control in one space
l High precision load cell, class 1 and class 0.5 calibration
l Digital displacement transducer for the best positioning and measuring accuracy
l User friendly remote for Multifunctional control
l Hydraulic jaws, for stronger clamping of the specimens
l Overload protection limit sensor
l Long piston stroke for the most convenient and easy adjustment and testing of different sample lengths
l Easy calibration procedure
l Remote control via software, text execution, data analysis available
l Software updates and modification installation available via email or remote support
l Diverse and robust configurations for test end options, graph options, PID values, crosshead movement speeds etc
l Different Testing Methods including cyclic, creep, relaxation, keeping etc
l View data and graphs of ran tests
l Determine and analyze data points such as yield point, breaking point, modulous etc
l Test report printing options include direct to printer or excel file export
l Test report data can be configured to show only necessary data and to exclude unused data
l Raw data analysis for detailed test data
l Exportable to excel and customizable to show user required data
Specification:
Model | WAW-600DL | WAW-1000DL | WAW-1000DP |
Maximum test force | 600KN | 1000KN | |
Accuracy level | Level 1 | ||
Relative error of indication | ± 1% | ||
Displacement measurement resolution | 0.001mm | ||
Strain rate control adjustment range | 0.00025/s-0.0025/s | ||
Control range of force, deformation and displacement | 0.3%-100%F·S | ||
Maximum speed of piston Rising | 270 mm/min | 150 mm/min | |
The maximum speed of piston falling is | 160 mm/min | 100 mm/min | |
Maximum compressed space | 500 mm | ||
Maximum stretching distance | 650 mm | 700 mm | |
Effective distance between two columns | 610 mm×410mm | 660 mm×400mm | 650 mm×420mm |
Piston stroke | 650 mm | 700 mm | |
Round specimen clamping diameter | Φ13 mm -Φ40 mm | Φ14 mm -Φ45 mm | |
Clamping thickness of flat sample | 0 mm -20 mm | 0 mm -40 mm | |
Size of upper and lower pressing plates | Φ250 mm | Φ295 mm | |
Overall dimension of host | 920 mm×680 mm×2850 mm | 980 mm×720 mm×3210 mm | 980 mm×750 mm×3400 mm |
Size of oil source cabinet | 860 mm×640 mm×1780 mm | 860 mm×640 mm×1680 mm | |
Overall power | 4kw | ||
Weight of oil source cabinet | 300 kg | ||
Host weight | about 3000 kg | about 4000 kg | about 5000 kg |
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