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    Home > Active Ingredient News > Drugs Articles > Structure principle and operation flow of BGS electronic tensile machine

    Structure principle and operation flow of BGS electronic tensile machine

    • Last Update: 2018-05-31
    • Source: Internet
    • Author: User
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    Electronic tensile machine is also called tensile testing machine or material testing machine Tensile test of tensile testing machine: tensile test (stress-strain test) is generally to clamp two ends of the material sample on two clamps with a certain distance, and the two clamps separate and stretch the sample at a certain speed to measure the stress change on the sample until the sample is damaged The tensile test of tensile machine is one of the widely used methods to study the mechanical strength of material Zui, which needs constant speed movement According to the different methods of load measurement, the early stage can be divided into two categories: pendulum type tensile testing machine and electronic tensile testing machine At present, pendulum type tensile testing machine is rarely used in the market The main reason is that it can't meet the requirements of current standards The tensile testing machine, also known as the tensile machine, is a fr-103c servo tensile machine microcomputer controlled electronic material testing machine produced by Shanghai Farui instrument, which is suitable for the tensile test of hardware, rubber, plastic, textile, waterproof material, wire and cable, safety rope, mesh rope, metal wire, metal bar, accessory board and other materials The additional accessories can be used for compression, bending and other tests All of them are controlled by microcomputers, and the magnitude and change of force and deformation are displayed dynamically The test speed can reach 0.001 ~ 500mm / min and can be adjusted at will The sample can be automatically stopped or returned to its original position when it is broken, and the peak value can be maintained Structural principle: the mechanical and electrical integration design is adopted for the tensile machine, which is composed of main part, mechanical part, hydraulic system, force measuring system, etc the force measuring system is mainly composed of force measuring sensor, transmitter, microprocessor, load driving mechanism and computer Test principle tensile testing machine test is to clamp the sample with the upper and lower clamps, one of which is fixed, the other moves up or down until the big value and displacement of Zui are recorded after the fracture, and then the tensile strength, shear strength, peel strength, yield strength, ring compression strength, tensile, compression, bending, tearing, shear and other tests can be calculated by software The larger the tension range is, the larger the size of the machine is The smaller the load sensor is, the higher the accuracy is Of course, the larger the machine is, the more expensive the price is So the bigger the puller, the better But to adapt to the scope of product strength Sensors in the market are divided into imported and domestic ones The home-made sensors are cheaper, but the poor accuracy will cause zero drift On the contrary, the imported sensor has high precision and good repeatability, but the price is relatively expensive The main part of the tensile testing machine Zui is the sensor During the test, the sensor outputs the force signal to the processor If the output signal is not accurate, the processed data will be inaccurate, and the tensile testing machine will lose the monitoring and testing ability Operation steps: 1 Turn on the main switch, turn on the power switch of the testing machine, check whether all parts of the machine operate normally, and prepare for the test 2 Before the test, the Zui heavy load of the test should be estimated and the appropriate weight should be hung Adjust the handle of buffer valve and align with the marking line 3 On the roller of the plotter, roll the recording paper (this is only required) 4 Start the oil pump motor, open the oil delivery valve, close the oil return valve, make the oil in the oil tank enter the working oil cylinder, raise the test bench, and then open the oil return valve to exhaust the air in the oil cylinder Then close the oil return valve, reopen the oil delivery valve to raise the test bench by 5-10 mm, and then close the oil valve If the test bench is in the raised position, it is not necessary to start the oil pump first, just close the oil return valve 5 Clamp one end of the sample to the upper jaw, start the oil pump to adjust the pointer to zero point, then start the lower jaw motor to adjust the lower jaw, and clamp the lower end of the test piece Care must be taken to make the specimen plumb and in the middle 6 Put down the pen on the putter and enter the drawing preparation state (only when drawing is needed) 7 According to the loading speed required by the test, adjust the rotation speed of the loading speed indicator panel by turning the knob, slowly open the oil delivery valve, and make the rotation speed of the loading pointer consistent with the rotation speed of the indicator panel for loading 8 After the sample is broken, close the oil delivery valve and stop the oil pump motor 9 Record the required value and raise the pen 10 Open the oil return valve and turn the passive needle back to zero point after unloading 11 Take down the sample after fracture, measure the elongation value and record carefully as the calculation basis 12 After Zui, cut off the power supply and wipe the instrument and equipment 13 Compression, bending and other tests can be carried out with reference to the above items.
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