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How to repair the faults of bending machine

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  1. Fault phenomenon: the noise is loud when the machine is started and when it is pressurized

  a. the hydraulic oil exceeds the lower liquid level,causing the oil pump to be evacuated. Add hydraulic oil to normal.

  b. the filter screen is blocked. Clean the filter screen.

  c. the oil pump is damaged.

  2. The bending machine can't go up and down,the fast down

  a. the lift valve is stuck,resulting in no pressure in the return journey. Clean the lift valve.

  b. Pressure is small,can not rise,increase pressure.

  c.The return journey can go up,but it is slow. This kind of fault is because the filling valve is not opened. Find the fault.

  Adjustment:

  1. Place a plate of the same thickness on both sides,fold the workpiece greater than 90 degrees,and measure the angle with an angle ruler.

  2. The connecting rod connecting the two worm gear seats on the bending machine is detached,that is,it can be pulled to one side. There is a spring inside to prevent it from falling out.

  3. Compare the angles of the two plates. If the right angle is large,rotate the right connecting rod clockwise. After slightly rotating the position,fold the plate to measure.

  4. Repeat the third step until both sides have the same angle,and install the connecting rod.


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