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Français- Knowledge of performance testing of hydraulic motors
As the power source and actuator of the hydraulic system, hydraulic motors have a huge impact on the performance of the entire hydraulic system. Therefore, the significance of the research on hydraulic motor performance testing systems is extremely important. The rise and application of hydraulic testing technology based on virtual instruments, It has opened up a broad prospect for the development of hydraulic motor performance testing. Hydraulic motors are widely used in important fields such as machine tools, metallurgical industry, engineering machinery, plastic machinery, agricultural machinery, mining machinery, and ship machinery.
The performance of the hydraulic motor has a decisive influence on the entire system and will directly affect the stability of the system. At the same time, the performance of the hydraulic motor also directly affects the life of the entire system components and the production efficiency of the system. The accidental failure of the hydraulic motor will result in a significant reduction in production efficiency. The use of performance detection technology can reduce the number of unnecessary shutdowns and maintenance, thereby greatly improving the efficiency of the system.
The performance testing of early hydraulic motors mainly depends on maintenance engineers using extremely simple instruments. The instrumentation is completed based on personal practical experience, and the test results are inaccurate and subjective. In recent years, with the development of hydraulic equipment in the direction of high speed, high precision and automation, the requirements for performance testing of hydraulic components have become higher and higher. Traditional detection methods and means can no longer meet the needs of practical applications, and the use of computer technology for hydraulic motor performance detection has become the mainstream of current development.
The task of performance testing of hydraulic motorsis to use a computer to establish a set of data acquisition and digital control systems, which are connected to the testing test bench, and the computer can perform various test parameters. Data collection, quantification and processing of parameters such as pressure, flow, speed, torque, etc., and output test results.
The calculation performance detection system of hydraulic motors has significant advantages in improving equipment detection accuracy, detection speed, detection repeatability and reliability, as well as saving manpower and energy, so it has received widespread attention. Aiming at the problem of hydraulic motor performance detection, the comprehensive application of control principles, hydraulic transmission, computer signal testing, fluid mechanics and other theories solves practical problems in production, improves the utilization and reliability of hydraulic motors, and has good application value.
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