Tensile strength tester applies metal, non-metallic materials such as tensile testing machine. Then what is the performance and accuracy of it? Yuhong monitoring and control technicians explained to everyone: 1. Force sensor for tensile tester. The quality of the sensor determines the accuracy of the tester and the stability of the force measurement sensor is generally a strain gauge. If the accuracy of the strain gauge is not high or the resistance of the fixed strain gage is not good or the material of the sensor is not good It will affect the accuracy and service life of the sensor. 2. The part of the ball screw which drives the movement of the sensor, because the test data made in the future if there is a gap in the screw will directly respond to the maximum deformation and elongation after breaking. At present, the tensile strength tester on the market and some of the screw is a T-shaped ordinary screw, so the first one is the larger gap, and the second is a relatively short life of friction. 3. The transmission system of the tensile strength tester. At present, the tensile strength tester transmission system on the market adopts a speed reducer, and some use an ordinary belt. The main disadvantages of these two transmission methods are: the former needs periodic lubrication , The latter kind can't guarantee the synchronism of the transmission to influence the test result. The tensile strength tester drive system adopts full arc synchronous belt deceleration to ensure the synchronization precision of the transmission, high transmission accuracy, high efficiency, smooth transmission, low noise, and no need for long service life. 4. The power source (motor) of the tensile strength tester is also called a motor. At present, some tensile strength testers on the market use common three-phase motors or variable-frequency motors. Such motors use analog signals to control the reaction slow and positioning is not Accurate, the general speed range is narrow, there is no high speed, no speed, or low speed, no speed, and speed control is inaccurate. 5. Measurement and control system of tensile strength tester (that is, software and hardware). Most of the measurement and control systems of tensile strength testers on the market are controlled by 8-bit single-chip microcomputer. The sampling rate is low, and the anti-interference ability is poor. It is the AD converter if the AD converter has a low resolution. Then the measurement will not be accurate. The above is the result of a long-term investigation and summary of the monitoring and control of Yuhong. We share our experience with you! If you still need other relevant information can also contact their staff!
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