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The basic process of air compressor maintenance

Air compressor maintenance can not install their own ideas for maintenance, air compressor maintenance and air compressor installation need to be based on the process。During the disassembly process, it should be disassembled according to the structure of different parts to avoid putting the cart before the horse, and violent disassembly is strictly prohibited during the disassembly process。However, in the disassembly process and assembly process in contrast, generally from the outside to the inside, the removal of internal parts is to remove the assembly from the top to the bottom, and finally the spare parts。
In the disassembly process should use professional tools such as: six tool wrench, belt wrench, etc., the disassembled parts should be put together, can not be random。If it is a large part of the accessories (such as: main engine, connecting rod, cylinder, etc.) should be placed on the slide, to avoid bumping or mixed with other solid particles or impurities。If the small accessories box, especially precision accessories need special attention when saving。
If it is a newly purchased machine after 500 hours of operation, it needs to be maintained and replaced with lubricating oil, air filter and oil filter。After that, maintenance will be required every 2,000 hours。At the same time, check the tightness of the transmission belt, if the belt is soft, it is necessary to adjust the tightness of the transmission belt, and ensure that the belt will not be contaminated by oil。
Large air compressor accessories are relatively large，The rotor mass is also very large，It is necessary to cooperate with other lifting tools when disassembling，At the same time, protect the accessories to avoid damage，For example, air compressor accessories such as crankshaft and bearing tiles are easy to be confused during assembly，It should be marked before disassembly，Avoid assembly errors affecting the use of air compressor。

2023.04.06

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How to install the air compressor will not leak oil？

Without lubricating oil as support, the air compressor can not operate and work normally, most of the users in the operation of the air compressor equipment will appear oil leakage phenomenon, then how to install the air compressor will not appear oil leakage phenomenon:

1.Correct device gasket: The gasket between the air compressor accessories plays the function of leak-proof sealing, and if the material, manufacturing quality and device do not meet the technical specifications, oil leakage can be formed。

2.Correct fastening of the nut: too loose will form the pressure is not tight lining and leakage, too tight will make the metal around the screw hole convex, or will screw the buckle and cause oil leakage。
3.Timely replacement of the failed oil seal: many parts of the oil seal on the air compressor will throw oil due to improper device, forming the shaft journal and the different heart of the oil seal edge。Some oil seals will lose elasticity due to rubber aging after being used for too long。
4.Timely replacement of wear parts: After the use of air compressor accessories wear too much, resulting in high pressure gas in the combustion chamber into the crankcase, forcing oil leakage。
5.Prevent check valve and air valve plugging: If the check valve and air valve are blocked, it will cause the temperature in the box shell to rise, oil and gas fill the entire space, so that the pressure in the box shell rises, and increases the movement resistance of the piston, so that the fuel consumption increases, and because of the effect of the air pressure difference in the box shell, it often causes the seal to be weak。
6.Ensure the sealing of all kinds of tubing joints: the pipe nut used in construction machinery is often disassembled and easy to loose due to the slip wire break, such as the poor accuracy of the two joints, the center line of the two cones is not coincident or the taper is different, which will cause oil seepage。The cone seal can be repaired by grinding, so that the nut is pressed tightly and firmly sealed。

2023.03.29

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Energy saving scheme of air compressor

Air compressor to achieve a certain energy saving can also make the air compressor to achieve energy saving effect, Atlas air compressor manufacturers sorted out six kinds of energy saving schemes, you can use as a reference:

1, choose energy-saving motor。Compared with the ordinary motor, the overall design is optimized, and high-quality copper winding and silicon steel sheet are selected to reduce various losses, the loss is reduced by 20%~30%, and the efficiency is increased by 2%~7%;The investment payback period is generally 1 to 2 years, and some months。In contrast, the efficiency of the high-efficiency motor is 0. 0 higher than that of the J02 series motor.413%。Therefore, it is imperative to replace the old motor with an efficient motor。

2, appropriate selection of motor capacity to achieve energy saving。The state has made the following provisions for the three operation areas of the three-phase asynchronous motor: the load rate between 70% and 100% is the economic operation area;The load rate between 40% and 70% is the general operating area;The load rate below 40% is a non-economic operation zone。Improper selection of motor capacity will undoubtedly lead to waste of electric energy。Therefore, the use of appropriate motor, improve the power factor, load rate, can reduce power loss, save energy。
3, using magnetic slot wedge instead of the original slot wedge。The magnetic slot wedge mainly reduces the no-load iron loss in the asynchronous motor, and the no-load additional iron loss is generated in the stator and rotor core by the harmonic magnetic flux caused by the tooth slot effect in the motor。The high frequency additional iron loss induced by stator and rotor in the core is called pulse vibration loss。In addition, the stator and rotor teeth are sometimes aligned and sometimes staggered, and the magnetic flux of the tooth cluster on the tooth surface changes, which can induce eddy currents in the tooth surface line layer and produce surface loss。Pulse vibration loss and surface loss are called high-frequency additional loss, they account for 70% to 90% of the motor stray loss, and the other 10% to 30% is called the load additional loss, which is generated by the leakage flux。Although the use of magnetic slot wedge will reduce the starting torque by 10% to 20%, the iron loss of the motor with magnetic slot wedge can be reduced by 60k compared with the motor with ordinary slot wedge, and it is very suitable for the transformation of the motor with no-load or light-load start。
4, using Y/△ automatic conversion device。In order to solve the waste of electric energy when the equipment is light loaded, Y/△ automatic conversion device can be used to achieve the purpose of power saving without replacing the motor。Because in the three-phase AC network, the voltage obtained by the different connections of the load is different, the energy absorbed from the grid is also different。
5, motor power factor reactive power compensation。The main purpose of reactive power compensation is to improve power factor and reduce power loss。The power factor is equal to the ratio of active power and apparent power, usually, the low power factor will cause the current to be too large, for a given load, when the supply voltage is certain, the lower the power factor, the greater the current。Therefore, the power factor is as high as possible to save energy。
6, winding motor liquid speed regulation。Liquid resistance speed regulation technology is developed on the basis of the traditional product liquid resistance starter。The purpose of stepless speed regulation is still to change the size of the plate spacing to adjust the resistance。This makes it have good starting performance at the same time, it is long-term power, bringing heating and heating problems, due to the use of a unique structure and reasonable heat exchange system, its working temperature is limited to a reasonable temperature。Liquid resistance speed regulation technology for winding motor，It has the advantages of reliable operation, easy installation, large energy-saving range, easy maintenance and low investment，It spread quickly，For some speed accuracy requirements are not high，The speed range is not wide，And do not frequently speed the winding motor，Such as fans, water pumps and other equipment of large and medium-sized winding asynchronous motors using liquid speed regulation effect is remarkable。

2023.03.25

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What inspection should be done when the air compressor can not start？

When your air compressor doesn't start, don't panic。You can do relative checks according to the following points, if it can not start, you need to contact Atlas.Bolet air compressor after-sales personnel:

1.Query the switching power supply. If the switching power supply is not switched on, you can turn on the main power switch to access the switching power supply。

2.Fuse break of control circuit: Fuse break must be removed immediately, find the reason and deal with。
3.The thermal overload relay is broken: correct the overload reason and set the thermal overload electrical appliance again。
4.If the working voltage is too low, the power company must be asked to check the input working voltage, medium voltage Marine series and the motor DC voltage, check the reason for the working voltage is too low。
5.It is not a common failure of the switching power supply, and it is necessary to check part of the power supply system at this time。
6.Is it due to the loose wiring。At this time, all connection nodes should be checked, and if there is a loose area, it will be tightened。
7.Temperature sensor common faults: the sensor must be checked, if there is a common fault, you must contact technical professional maintenance personnel to repair。
8.Common faults of transformer: Check the working voltage of transformer secondary coil。
9.The thermal overload relay is broken: correct the overload reason and set the thermal overload electrical appliance again。

2023.03.23

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