Hydraulic cylinders for tillers

Hydraulic cylinders for tillers

The stability of Hydraulic cylinders for tillers directly affects operational efficiency. This article introduces you to the causes, manifestations and solutions when a tiller malfunctions.

The core causes of abnormal Hydraulic cylinders for tillers movements involve hydraulic, electrical and mechanical dimensions. Hydraulic system failure is mainly manifested in the decline of oil pump efficiency and control valve failure. Gear pump wear clearance exceeds 0.15mm, the volumetric efficiency will be less than 85%. Control valves, relief valve spring fatigue deformation will make the opening pressure deviation of more than ± 0.5MPa, directional valve spool and valve body with increased clearance will lead to a surge in internal leakage. Electrical control defects, solenoid valve coil insulation aging will lead to insufficient suction, control line aging fracture or short circuit will cause signal distortion. Mechanical load abnormalities such as insufficient lubrication of the plowshaft bearing will increase the friction torque.

Failure characterization presents multi-dimensional characteristics. The action response abnormality is manifested in three forms: complete failure, reverse motion, and speed misalignment, in which the solenoid valve's non-response accounts for 35% of the fault cases, the misalignment of the reversing valve signal accounts for 20%, and the throttle valve's failure leads to the speed deviation exceeding the design value accounts for 45%. These failures directly caused by the loss of productivity, daily workload reduction, uneven plowing depth. The risk of equipment damage should not be ignored, the pressure peak generated by the hydraulic shock can be up to 2-3 times the rated pressure, the piston rod uneven force may eventually be bent like chopsticks!

To solve these problems, the right remedy is needed. Hydraulic subsystem repair, the implementation of the oil pump disassembly testing and replacement of worn parts, the use of ceramic coating technology to repair the plunger surface can enhance the life of two times; control valve optimization through the installation of position sensors to achieve the status of the monitoring, the use of proportional control valves so that the regulation of the accuracy of the increase. The electrical system was upgraded by adding a troubleshooting module to improve signal reliability, as well as implementing a full line insulation test and adding a protective sleeve. Load adaptability is improved by adopting a floating plow blade structure to reduce resistance fluctuations, adding resistance sensors to realize closed-loop control, and upgrading the centralized lubrication system to ensure lubrication of key parts. At the level of preventive maintenance strategy, the application of intelligent monitoring technology such as oil analysis sensor, vibration monitoring technology, the establishment of equipment digital twin to achieve predictive maintenance, and the development of personalized maintenance plan to dynamically adjust the maintenance strategy.

Through technological innovation and management optimization, Hydraulic cylinders for tillers failure rate can be significantly reduced.Hydraulic Machinery Co., Ltd. is a leading manufacturer specializing in hydraulic system solutions. We are also one of the most recognized suppliers of large OEM equipment manufacturers in the hydraulic industry in China, with a professional production team and advanced production equipment, if you need, welcome to contact us.

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