How to choose the size of the screw air compressor

It should be evaluated in terms of performance and longevity. In the face of a variety of compressors with different functions on the market, many users can not have an accurate understanding of the selection of compressors, sometimes because they can not fully understand the efficacy and performance of different compressors, resulting in the inability to choose a reasonable type, and can not choose a reliable, efficient and energy-saving compressor type.

According to the specific situation of the user and the actual process requirements, the air compressor suitable for the production needs is selected. It is not advisable to blindly choose high-quality models and spend unnecessary expenditures, nor can we blindly select inferior models with frequent failures in order to save expenses, after all, air compressors are important power equipment in industrial production.

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The first-stage screw air compressor can generally play a pressure of 1 3kgf cm2.

At present, the most commonly used pressure is and of course, there are also low pressure and large displacement, depending on your needs.

1.Air compressor pressure adjustment.

Rotate the pressure adjustment screw clockwise, and the closing and disclosing pressure increase simultaneously.

Rotate the pressure adjustment screw counterclockwise, and the closing and disclosing pressure are reduced synchronously.

2.Differential pressure adjustment.

Rotate the differential pressure adjustment screw clockwise, the closing pressure remains unchanged, and the disconnection pressure increases.

Rotate the whole screw counterclockwise, the closing pressure remains unchanged, and the disconnection pressure is reduced.

Kiss, 1, loading, unloading, proportional value correction. The correction of these three parameters should first determine the unloading value, and the unloading value should be determined according to the rated pressure of the air compressor and the required pressure. Then to determine the loading value, the pressure difference between the unloading value and the loading value should be in between.

The value of the proportional value should be between the unloading value and the loading value of the chasui finger. Correction method: set the parameters in the microcomputer controller, if the air compressor is controlled by buttons, then the loading and unloading parameter family should be adjusted from the pressure switch, and the proportion value should be adjusted at the adjustment nut of the proportional valve.

2. The internal pressure of the unit is corrected, and the internal pressure of the unit is generally between. Correction method: The internal pressure correction should be carried out when the unit is unloaded, and the value should be adjusted on the adjusting nut of the minimum pressure valve.

In order to facilitate the reading of the set value, a pressure gauge should be installed before the minimum pressure valve, and if the microcomputer controller has the function of displaying the internal pressure parameters, then it is not necessary to install the pressure gauge. 3. When the high temperature protection value correction screw air compressor is working normally, the temperature is generally between 65 and 98. Correction Method:

Adjust the high temperature automatic shutdown temperature value in the controller and do not exceed 105. Have a great day.

1. Belt coupling calibration If the air compressor is driven by a belt, the tightness of the belt should be between 10-20 mm; If the air compressor is driven by a coupling, after installation, the motor and the main engine should be turned manually, and the balance of the coupling should be checked. The air compressor coupling is basically an elastic coupling, and the balance deviation is negligible when it is not large. 2. Main engine steering correction If the main power supply has been removed during the maintenance of the screw air compressor, and the power supply is connected back, it is necessary to pay attention to the forward and reverse rotation of the motor.

The rotation of the motor is based on the rotation of the main engine. Please check the rotate icon marked on the console to properly rotate the console that is suddenly pressed. Correction method:

Swap any two power cords in the three-phase battery. 3. The internal pressure of the screw air compressor unit should be between to and . Correction Method:

When the unit is unloaded, the pressure value should be adjusted on the adjusting nut of the pressure valve. Some microcomputer controllers have the function of displaying internal pressure parameters. If this function is not available, a pressure gauge should be installed in front of the pressure valve.

4. Correction of loading and unloading proportional valueWhen setting the loading and unloading parameters and proportional value, the unloading value should be determined first, and the unloading value should be determined according to the combination of the rated pressure of the screw air compressor and the required pressure at the air end. Once the unloading value is determined, the loading value should be set, and the pressure difference between the two should be in between. After the unloading and loading values of the screw air compressor are set, the proportional value should be set in the middle of the unloading value and the circular load value of Jiahui.

Correction method: Set this parameter in the microcomputer controller (if the screw front collapse air compressor is controlled by a button, the loading and unloading parameters need to be adjusted from the pressure switch, and the proportional value needs to be adjusted at the adjustment nut of the proportional valve on the pressure reducing valve).

Hello, the parameter adjustment of the screw air compressor needs to be operated according to the instruction manual of the specific model. The following parameters usually need to be adjusted:1

Pressure setting: Set the appropriate pressure value on the control panel according to the usage requirements. 2.

Temperature setting: The compression work of the screw air compressor will produce heat, and too high temperature will affect the working efficiency and life of the air compressor, so it is necessary to set the appropriate temperature protection value according to the actual situation. 3.

Mode selection: Select the appropriate mode of operation according to the usage scenario, such as the guessing mode of the hand-based pants, the automatic mode, etc. 4.

Exhaust pressure adjustment: Adjust the exhaust pressure by adjusting the exhaust valve to adapt to different usage scenarios. 5.

Current limit setting: Prevent the motor from overloading and protect the normal operation of the motor by setting the current limit.