Classification characteristics of hydraulic universal testing machine

First of all, according to the different control methods, the digital and screen explicit control flow into the oil cylinder by manually operating the oil supply valve and oil return valve. The microcomputer controls the electrical servo by computer operating the hydraulic servo valve. There are differences in the display data. The digital and screen explicit display mainly displays the force value, strength, force, time curve and the yield strength of the material with obvious yield performance; the screen explicit and microcomputer controls the electrical servo to display various force values, strength, elongation, fracture strength, upper and lower yield points, elastic modulus and various test curves.

Firstly, according to the different control modes, digital display andscreen display by manual operation of oil supply valve and the oil returnvalve to control the flow into the cylinder, the microcomputer control servois controlled by the computer operation of hydroulic servo valve. Different data on the display, digital display, the main force strength, force time curve and the yield strength, yield properties of materials; the screen display and computer controlled electron servo display all kinds of stress,strength, elongation, tensile strength, yield point, upper and lower elastic modulus and a variety of test curve.

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