Tensile testing machine specifications
Tensile testing machine specifications
At present, there are many specifications of the tensile testing machine on the market, which is mainly due to the different application of tensile testing machine and the detection function caused by different. The same material in different areas of the crowd in the tensile strength test reference to the detection criteria are not the same.
Now we mainly from the universal testing machine structure, the use of performance, the scope of application of these aspects to briefly describe the tensile testing machine specifications。
1, the structure is divided into electronic universal testing machine and hydraulic universal testing machine
Electronic universal testing machine
Electronic universal testing machine mainly uses the servo motor as the power source, the screw, the silk mother as the execution part, realizes the movement speed of the test machine moving beam. In the drive control, on its advantages and disadvantages, remains to be explored, but does not affect the user to use. In the force on the electronic universal testing machine are used load sensor.
Hydraulic universal testing machine
Hydraulic universal testing machine using high pressure hydraulic source as the power source. Tensile tester using manual valve, servo valve or proportional valve as a control element for control. Ordinary hydraulic universal testing machine can only be manually manual loading, belonging to the open-loop control system, by the price factor, the force sensor is generally used hydraulic pressure sensor. The electro-hydraulic servo universal testing machine is the use of servo valve or proportional valve as a control component to control, some domestic manufacturers have also used high-precision load sensor to measure the force.
2, the use of performance:
Electronic universal testing machine, no oil source. So the universal tester to use more clean, more convenient maintenance, tensile tester of the test speed range can be adjusted, the test speed of up to 0.001mm / min-1000mm / min, speed ratio of up to 100 million times, the test trip can be as needed And more flexible. High precision, and some can even reach 0.2%. Small size, light weight, large space, easy to add the corresponding device to do the mechanical testing of materials.
Hydraulic universal testing machine due to oil source flow restrictions, so the test speed is low. Manual hydraulic universal testing machine, the operation is relatively simple, cheap, but the control accuracy is low. Electro-hydraulic servo universal testing machine, the performance and electronic universal testing machine, in addition to the speed is low, the control accuracy will not be poor, the use of load sensor computer control electro-hydraulic servo universal testing machine, the value of precision can reach 0.5% The And in the large tonnage of the material mechanics test, more reliable, more stable, more cost-effective.
3, the scope of application:
Electronic universal testing machine, widely used in various metals, non-metallic, composite materials, medicine, food, wood, copper, aluminum, plastic profiles, wire and cable, paper, film, rubber, textile, aerospace and other industries to pull Tensile performance test. Digital display electronic universal testing machine is suitable for only the value of the tensile strength of compressive strength and other related data users. If the demand for more complex parameters, computer control electronic universal testing machine is your better choice. In terms of cost, 30T following the electronic universal testing machine more advantages.
Hydraulic universal testing machine is mainly used for metal, non-metallic materials and parts, parts, components of the tensile, compression, bending and other mechanical properties test. Hydraulic universal testing machine is an ideal test equipment for labor, mining enterprises, building materials, quality inspection center, water conservancy and hydropower, bridge engineering, scientific research institutes, colleges and universities mechanics laboratory. Manual control of the hydraulic universal testing machine, cheap, suitable for industrial and mining enterprises of the finished product testing, a single material index test. The electro-hydraulic servo universal testing machine, is suitable for demanding steel, building materials testing laboratory. More than 30T electro-hydraulic servo universal testing machine compared to electronic universal testing machine, more price advantage.
HAIDA Equipment production of the specifications of the tensile test machine mainly according to the force values to classification of the test.The specifications of the tensile testing machine, please refer to the following table:
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