Safety of pneumatic valve flutter failure reason and solution

security appeared in the process of pneumatic valve in the discharge of dithering phenomenon, called security flutter of pneumatic valve. Flutter phenomenon easy to cause the fatigue of the metal, make the safety on the mechanical properties of the pneumatic valve down, causing serious hidden trouble of equipment, thus affecting the normal running of production. To solve the fault, the security of the pneumatic valve is going to clear up. Security flutter in the pneumatic valve is mainly analysis has the following several aspects:
first likely due to improper use pneumatic valve, pneumatic valve discharge capacity of the selected is too large. Users should pay attention to when buying safety pneumatic valve makes use of pneumatic valve rated capacity as close as possible to the equipment required emissions; Second may be due to the safety of imported pneumatic valve pipe diameter is too small, even less than the imported sizes of pneumatic valves, or imported tube resistance is too big. The corresponding solution is in the security in the process of the pneumatic valve installation, make inlet pipe diameter should not less than the pneumatic valve inlet sizes or reduce import pipeline resistance. In addition, the safety of pneumatic valve discharge pipe resistance is too large, cause excessive emissions back pressure is also a factor to the pneumatic valve chatter. Users can reduce the resistance of the pipe the discharge line.
in order to solve the missile insurance pneumatic valve under the condition of random vibration, flutter problems of using AMESim software for modeling and simulation. Through random vibration module is added in the model, effectively simulated the working state of the pneumatic valve vibration under the conditions of insurance, and analyses the influence of several factors on the flutter. Results show that the friction between moving parts and the shell is the main influence factors of live pneumatic valve guide structure also can produce certain influence. Improvement of insurance pneumatic valve structure, the test proved that the improved flutter phenomenon have been improved greatly. The results of the study on the performance of the pneumatic valve under the condition of the random vibration analysis and structure improvement has a certain guiding role.