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You are here: Home > Technical Literature > What factors will affect the pros and cons of tensile testing machine?

What factors will affect the pros and cons of tensile testing machine?

Date: Jan 12,2022 Views: 315

1. Ball screw: The screw currently used in the tensile testing machine includes a ball screw and a trapezoidal screw. Generally, the lead screw has large clearance, large friction and short life. There are some manufacturers on the market now, in order to save cost and obtain greater benefits, use lead screws instead of ball screws.

2. Tensile testing machine sensor: The sensor is an important part of the testing machine's accuracy and force measurement stability. At present, the tensile testing machine types on the market are s-type and wheel-radial. The accuracy of the resistance strain gauge inside the sensor is not high, the glue used to fix the strain gauge has poor anti-aging ability, and the poor sensor material will affect the accuracy of the sensor.

3. Tensile testing machine motor: The motor of high-quality tensile testing machine adopts AC servo speed regulation system, Panasonic AC servo motor, stable and reliable performance, with overcurrent, overvoltage, overload and other protection devices. At present, another kind of tensile testing machine on the market adopts ordinary three-phase motor and variable frequency motor. The motor is controlled by analog signal, and the control response is slow, the positioning is incorrect, the general speed range is narrow, and the speed is neither low nor high, that is, the speed control is not good. precise.

4. Software and hardware of tensile testing machine: The high-quality tensile testing machine adopts brand computer, and the control system software is the operating system platform. It has the characteristics of fast running speed, gentle interface and simple operation, which can meet the test and measurement needs of different materials. Standard, international or industry standard tests to measure the physical properties of different materials.

5. Transmission system: The transmission part of the tensile testing machine mainly includes the arc synchronous gear belt and the precision screw pair transmission. The second is the ordinary belt transmission. The first transmission mode has stable transmission, low noise, high transmission efficiency, high precision and long service life. The second transmission method cannot guarantee the synchronization of the transmission, so the accuracy and stability are not as good as the first transmission system.

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