The pressure gauge is a crucial component of the cold press machine. Its accurate setup directly affects the efficiency of the machine and the quality of the finished product.
The pressure gauge typically has three needles and a red button.
Below is an explanation of its functions and the setup process.
(1) Red Needle: Target pressure value, used to set the desired maximum pressure.
(2) Green Needle: Holding pressure value, typically set two divisions below the red needle.
(3) Black Needle: shows the current pressure in real-time.
The red button on the pressure gauge is used to adjust the positions of the needles:
(1) By pressing the red button, you can manually adjust the red needle (target pressure) and the green needle (holding pressure).
(2) The green needle is usually set two divisions below the red needle to ensure that when the black needle (instantaneous pressure) drops to the green needle, the machine automatically compensates for the pressure and maintains stability.
Here’s how to correctly set and calibrate the pressure gauge:
(1) Set Target Pressure: Adjust the red needle to the desired target pressure.
(2) Set Holding Pressure: Adjust the green needle to two divisions below the red needle.
(3) Start the Machine: When the black needle (instantaneous pressure) reaches the red needle, the timer starts, and the target pressure is maintained.
(4) Complete the Process: Once the timer ends, the black needle will drop to zero, and the press table will lift automatically.
(1) Ensure the red and green needles are set according to the specific process requirements.
(2) Regularly check the accuracy of the pressure gauge to avoid quality issues caused by incorrect readings.
(3) During the adjustment process, ensure operator safety and avoid staying near the press table.
Proper setup of the pressure gauge is essential for the stable operation of a cold press machine.
By correctly adjusting the red needle, green needle, and monitoring the black needle’s real-time movement, the machine can automatically compensate for pressure drops and ensure product quality.
Following the above steps will help you efficiently complete the setup process and extend the lifespan of your equipment.
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