The “Five Major Determinants” of the Development of Zhangjiagang Test Machine in 2016
The ball screw, sensor, motor, software and hardware of the Zhangjiagang testing machine, the transmission system is an important part of the testing machine. How to choose a high-quality testing machine, these five factors play a decisive role.
First, the ball screw
The screw used in the Zhangjiagang test machine currently has a ball screw and a lead screw. In general, the trapezoidal screw has a large gap, a large friction force and a short service life. At present, there will be some manufacturers on the market. In order to save more cost, a trapezoidal screw will be used instead of a ball screw.
Second, the sensor
The sensor is an important component of the accuracy and force stability of the testing machine. Currently, the types of sensors in the Zhangjiagang test machine on the market are S-type and spoke-type. The internal strain gauge of the sensor is not high precision, the glue used for fixing the strain gauge, the anti-aging ability is not good, and the material of the sensor is not good, which will affect the accuracy of the sensor. Third, the motor
The high-quality Zhangjiagang test machine motor adopts AC servo speed control system and Panasonic AC servo motor. The performance is stable and reliable, and it has protection devices such as overcurrent, overvoltage and overload. At present, there is also a Zhangjiagang test machine on the market that uses ordinary three-phase motor or variable frequency motor. This type of motor adopts analog signal control, which has slow control response and inaccurate positioning. Generally, the speed range is narrow and there is no high speed or low speed. High speed and inaccurate speed control.
Fourth, software and hardware
The high quality Zhangjiagang testing machine adopts brand computer, and the control system software is WindowsXP operating system platform. It has the characteristics of fast running speed, gentle interface and simple operation. It can meet the test and measurement needs of different materials and can be measured according to national standards, international standards or industry standards. Physical properties of various materials tested.
Fifth, the transmission system
There are two main types of transmission parts of Zhangjiagang test machine, one is the arc synchronous gear belt and the precision screw shaft transmission; the other 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.
