Problems caused by high temperature:<br>-The internal and external leakage increases, which reduces the mechanical efficiency of the hydraulic shear.<br>-The expansion of hydraulic oil leads to the increase of compressibility, which makes the control action unable to transfer well.<br>terms of settlement:<br>Heating is the inherent characteristic of hydraulic system, which can not be eradicated and can only be reduced as far as possible.<br>-Use high quality hydraulic oil.<br>-The layout of hydraulic pipeline should avoid elbow as far as possible<br>-Use high quality pipes, fittings, hydraulic valves, etc.<br>
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