China atlas copco 102372310 - PD75+ Manufacturer, Supplier, Factory

The Atlas Copco GA90 of the GA series is one of the ideal choices for producing compressed air and reducing energy consumption. Atlas Copco 120 HP Oil Injected Air Compressors: follow China Taike Trading online distribution network to check out GA90P, GA90FF (air cooling & water cooling options are available).

Gear transmission of the air compressor body: For Atlas Copco G/GA and other oil-injected screw compressors, "high-performance gear drive" is commonly used. The motor drives the main unit through a gearbox for speed increase, which is a transmission structure rather than a "gear motor".

Working Principle Torque Transmission: The torque output by the motor is transmitted through the outer teeth of the coupling, and then via the inner teeth of the intermediate sleeve to the compressor shaft, achieving power transmission. Flexible Compensation: Axial Offset: The axial clearance between the inner and outer teeth allows for a small amount of axial displacement of the two shafts (typically ±0.5 to ±3mm). Radial Offset: The top of the outer teeth is made into a spherical shape (with the center of the sphere on the axis), allowing for a certain angular deviation between the two shafts (typically ≤1°). Angular Offset: Through the sliding and rolling of the tooth surfaces, the angular errors between the two shafts are compensated. Buffering and Vibration Reduction: The lubricating oil fills between the teeth and can absorb some vibration and impact loads, reducing equipment noise.

Atlas Copco 2907012200，Load the solenoid valve, which is usually a two-position three-way normally closed valve. When powered on, it allows compressed air to enter the cylinder pipe of the intake valve from the oil-gas tank, opening the intake port; when powered off, it cuts off the air path and discharges the air in the cylinder, closing the intake port. Release the solenoid valve, which is mostly a two-position two-way normally open valve. When the air compressor is unloaded or shut down, it is powered off, releasing the gas in the oil-gas tank to the intake filter to ensure that the system pressure drops to the safe range. Pressure relief and start-up protection: In small air compressors, the solenoid valve connects the cylinder outlet to the outside when the machine is shut down to release residual pressure and prevent overload due to the motor starting under load; when starting, it closes the pressure relief channel to allow compressed air to be normally filled into the air tank.

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Common Issues and Maintenance of Atlas Copco Air Compressor Pressure Sensors Common issues with pressure sensors include measurement drift , signal interruptio, interface leakage, etc. Maintenance suggestions: Regularly check the sealing of the sensor installation to avoid pressure leakage or measurement errors due to looseness; Keep the sensor interface clean to prevent oil contamination and impurities from blocking and affecting the measurement; When there is abnormal pressure display, frequent start-stop of the unit, or incorrect pressure protection operation, it is necessary to check if the sensor is faulty. It is recommended to replace the original sensor to ensure performance matching. When replacing, pay attention to keeping the calibration parameters consistent with the original model.