Ruisheng Electromechanical: How to debug the rotor clearance of ZEGA screw air compressor?
The total meshing gap of the catin and male rotor of ZEGA screw air compressor is large, so the adjustment range of its installation gap ratio is large. Generally speaking, the screw installation clearance ratio should be controlled at 08~12. In fact, when the compressor is running at high speed, due to the torsional deformation of the shaft and the wear of the gear tooth surface, the chasing surface gap tends to shrink, and the non-chasing surface clearance tends to increase.
Many beginners may not be very clear about the debugging of the double rotor of the high-power Chigo screw air compressor, it just so happens that a customer recently ordered a 250Kw double rotor Chigo screw air compressor from Ruisheng Electromechanical, and the commissioning personnel of Ruisheng Electromechanical did debugging work on site. In this regard, you may wish to follow the commissioner directly to the site to understand how to debug the rotor clearance of the Chigo screw air compressor.
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According to the theoretical analysis and the summary of practical maintenance experience, in order to make the screw installation clearance ratio reach the specified range, the adjustment method of the driven ring gear is as follows:
(1) Loosen the fastening bolts and positioning pins between the driven gear ring and the hub to make them flexible and movable.
(2) Check the total clearance of the tooth surface with a dial indicator or feeler gauge, and make the yin and yang rotors closely contact by discing, and accurately measure the total clearance of the meshing of the yin and yang rotors.
(3) Use the expected gap ratio and the total gap to calculate the value of the chasing surface gap #a, and then clamp the feeler gauge equal or similar to the chasing surface gap #a value in the meshing area of the yin and male rotor by coiling. The screw on the synchronous gear can be hit with a copper rod during adjustment until the feeler gauge is pressed.
(5) Extract the feeler gauge between the yin and yang rotors, and the gap at this time is the meshing gap of the tooth surface of the yin and yang rotor, but for safety, it is necessary to check the tooth by tooth with the feeler gauge while coiling, and carefully measure the meshing gap of each part of the rotor.
the total meshing gap of the yin and male rotor of the Zhigao screw air compressor is large, so the adjustment range of the installation gap ratio is larger. Generally speaking, the screw installation clearance ratio should be controlled at 08~12. In fact, when the compressor is running at high speed, due to the torsional deformation of the shaft and the wear of the gear tooth surface, the chasing surface gap tends to shrink, and the non-chasing surface clearance tends to increase.
In order to ensure the long-term reliable operation of the compressor, the chasing gap is adjusted a little larger and the non-chasing gap is adjusted a little smaller during maintenance and assembly, so that the ratio of the chasing gap and the non-chasing gap falls between 1.0~1.2 more reasonably.
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