Operation steps of hydraulic press
Date:2019-07-02 09:55:52
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Hydraulic oil press is suitable for sesame pressing. It also relies on pure physical squeezing. And the output of each pressing is small, which is suitable for the use of less sesame. Use steps of hydraulic press.
1. Inspection and debugging
1.1 Before the oil pump test, first add clean mechanical oil or vegetable oil in the tank and press the handle up and down to see if the piston of the hydraulic press rises. If the piston does not rise or the handle is not laborious when it is pressed, check the valves of the tank and remove the air in the pipeline.
1.2 The pressure withstanding test of the whole machine is carried out. The pressure used in the test is 1.25 times of the working pressure. The piston is checked to extend to a larger working stroke. The pressure is stabilized for 15 minutes. The pressure gauge reading can not drop more than 4% of the test pressure. There should be no leakage in all oil paths. After all the pressure is removed, the pressure gauge pointer will return to “ 0” The parts are not damaged, the tie rod should not be significantly deformed, and the moving parts should not be stuck.
2. Operation of Use
2.1 According to different oils, we should master the temperature and moisture of oils.
2.2 When pressing, the lower top plate will be put in position, the movable tie rod nut will be loosened, two movable pins will be pulled out, and the movable tie rod will be rotated on one side. After filling the cake into the squeezing chamber in turn, the movable tie rod is rotated back to its original position and fixed. First, the movable tie rod is pre-pressed until oil is seen, then the piston is returned, and the remaining cake is loaded for formal pressing.
2.3 When pressing, the handle should be pressed lightly and diligently, and the force should be uniform, and no excessive force should be allowed. Otherwise, accidents will occur easily.
2.4 When the pressure gauge pointer can not return to zero, it should be checked, repaired or replaced in time.
2.5 Open the return valve, the oil will automatically flow back to the tank, the piston will automatically fall, you can unload.