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  • LNZ-6000P Microcomputer Controlled Torsional Fatigue Test Bench for Electro-hydraulic Servo Transmission Shaft

LNZ-6000P Microcomputer Controlled Torsional Fatigue Test Bench for Electro-hydraulic Servo Transmission Shaft

LNZ-6000P microcomputer-controlled electro-hydraulic servo transmission shaft torsion fatigue test-bed is mainly used for torsion tests of automobile transmission shaft, automobile bearing, steering column, steering knuckle and other parts and various materials such as metal and nonmetal.

Introduction

LNZ-6000P microcomputer-controlled electro-hydraulic servo transmission shaft torsional fatigue test-bed is mainly used for torsional tests of automobile transmission shafts, automobile bearings, steering columns, steering knuckles and various materials such as metals and nonmetals, and for static or dynamic torsional fatigue durability tests. The main engine adopts advanced servo control and sensing measurement technology, which can accurately detect the key parameters such as torque, torsion angle and frequency response of the sample under static torque loading and dynamic cyclic torsion, and can control the torque and torsion angle. Can be equipped with high-temperature furnace, low-temperature box, corrosion box and other environmental boxes to complete the mechanical test of materials in different bad environments. Widely used in automobile parts, rail vehicles, aerospace, ships, military and other fields.
The machine can also detect torsional fatigue characteristics, fatigue life, prefabricated cracks and crack propagation tests under certain test conditions. The maximum bearing test is to cause local plastic deformation of the specimen under the action of sufficient torsional stress, and the specimen will break after the deformation exceeds a certain range. This test is called torsion breaking test. During the whole process, the measurement and control software will automatically record the test data, torsion angle, torque value and maximum torque value.

Parameters

Item Parameter Remarks
Max. static torque ±6000Nm /
Max. dynamic torque ±5000Nm /
Static torque measurement accuracy ≤±0.5% /
Torque measurement range 1%-100%FS /
Torsion angle range ±45° Angle resolution: 0.0015°
Torsion angle measurement accuracy ±0.2° /
Operating frequency range 0.01-20 Hz /
Max. amplitude-frequency capacity (Amplitude-frequency characteristic) Max. amplitude ±3° at 10Hz /
Test torque resolution 1/±300000 /
Relative error of torque repeatability ≤0.5% Forward and reverse directions
Relative indication error of torque ≤±0.5% Forward and reverse directions
Max. test length 1100mm Customizable upon request
Main test waveforms Sine wave, square wave, triangular wave, ramp wave /
Pump station flow 140L/Min /
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