Screw pneumatics engine beats aircraft is general because,be pneumatics machine overload, protector disconnects caused empty press stops machine. After protector start aside, need longer time to restore, can delay production. Accordingly, understanding brings about screw pneumatics machine to jump the reason of machine should prevent these ingredients as far as possible is very be necessary.
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The system of pneumatics machine is put in pressure to be started, the electric current that start is exorbitant, air switch is protective unit and tripping operation. Appear because breakdown of valve of the least pressure or pressure release system jam,this kind of circumstance is normally. Suggest the watch shows the pressure that checks oil gas bucket first to whether have pressure, open pressure release a powerful person to judge pressure watch to whether appear again breakdown.
Breakdown reason 2, nose resistance is too great
Nose writtens guarantee anxious attrition increases or lube viscosity spends big, amount overmuch, can bring about nose obstruction increase, when start electric current slants big, make air switch tripping operation.
Processing technique:
1, pass artificial to machine of pneumatics of permanent magnetism frequency conversion turning, will check nose and electric function to deny free roll, whether does obstruction increase with this judgement. Reduce when environmental temperature, oily viscosity increases, obstruction also increases subsequently, the starting electric current of electric machinery greatens, the starting time of pneumatics machine is lengthened. Can decide according to exhaust temperature the environmental temperature at that time.
2, oily knot is anxious inside nose it is the phenomenon that machine of screw type pneumatics tastes the case with poorer or higher temperature to often appear in oil, because nose knot is anxious, attrition obstruction increases, the bear of aircrew increases, electric current increases. Serious when screw and rotor are together by oily anxious agglutinate, aircrew cannot turn freely
3, the function of a powerful person that break oil is in permanent magnetism frequency conversion pneumatics machine stays when machine, cut off oiling canal in time, prevent oil gas bucket inside beyond press will much lubricant oil pressure to enter nose, bring about the lube inside nose overmuch. Solving the lube inside nose to cross the method with much the most immediate problem is to open nose, discharge lubricating oil of the part inside nose, a powerful person has repair or change to breaking oil at the same time.
4, the time that starts chance of air switch electrify is below the circumstance that assures safety make a bit lengthen, lengthen in order to what machine of pneumatics of permanent magnetism frequency conversion starts time is satisfy when oily viscosity increases, those who will assure pneumatics opportunity is normal start, had not lengthened please big, had lengthened congress to affect the other equipment that use phone.
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