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Read this article, know the reason of pneumatics engine trouble of 99% and means of settlement

Screw pneumatics machine regards application as one of the most extensive industry facilities, the problem that there can be a lot of needs to notice when equipment is run goes mastering, ability ensures the machine is equipment stability, efficient run, improve work efficiency. The spot moves in actually can a lot of potential problems bring about pneumatics machine to cannot be started normally, encounter this kind of situation

Screw pneumatics machine regards application as one of the most extensive industry facilities, the problem that there can be a lot of needs to notice when equipment is run goes mastering, ability ensures the machine is equipment stability, efficient run, improve work efficiency.

The spot moves in actually can a lot of potential problems bring about pneumatics machine to cannot be started normally, encounter this kind of circumstance to want keep one’s hair on, analyse problem reason. Seasoned technical engineer can abide by commonly by brief go pondering over a problem to numerous flow:

1, cannot start normally

? Electric equipment malfunction:

The simplest thing is the easiest by oversight, we should most the power source wiring that checks pneumatics machine first is correct, whether does battery main switch close, power source fuse is broken by be in harmony, power source voltage accomplishs rated voltage 90% reach above. The pressure electromagnetism a powerful person that examines pneumatics machine and each are electric whether is component destroy, set-point adds up to pressure relay improper. Still a not quite common phenomenon starts key to contact undesirable phenomenon namely, but quality of present screw pneumatics engine is general be able to pass, unless be true anxious to get things on the cheap buys the equipment with extremely low price, won’t have these problems otherwise commonly.

? Handle trouble actually:

When run, too tall, electric equipment controls outlet pressure set the mains switch after loop is not reductive, set of working voltage, electric current is unscientific wait. General screw pneumatics aircraft is to have full automatic protective setting, consequently its when position of a few functions malfunctions, cannot start. Move, termination control circuit, because electric yuan of parts of an apparatus is more, fault rate is higher also. The key that start, stop pushbutton or be mains switch, because operate error, the machine can not move or may be being caused is barrier involves incident machine. If start key, stop pushbutton, urgent stop face plate of pushbutton, operation to wait, exert oneself to do sth. in unit process of cargo bandling excessive, the brim that makes key-press blocks key-press crust very likely go up and cannot recover from an illness.

? Machine equipment malfunction:

Basically include trouble of pneumatics Electromechanical engine, nose to be bitten dead etc. In a lot of plant area, pneumatics machine is work of 24 hours of ceaseless engine, in this kind job of long-term high strength falls, can form rotor and bearing exhaustion to destroy card to live; Lube of generation of lubricant conduit block crosses compressor little, cause shade, in relief rotor and bearing axis to seal temperature too tall and destroy. The pneumatics plane aircraft that a few nose had maintained if is torn open had installed bearing and shade, in relief rotor, but crackbrained in installation, assemble precision to did not achieve demand, can form line of center of shade, in relief rotor unequal then rotor of shade, electropositive machine does not roll. In addition, the means when maintaining pneumatics aircraft is unreasonable, incorrect method was used when adding outside force effect to rotor, affected what the axial between shade, in relief rotor makes with bottom clearance to do not have a law to rotate.

Usually, the businessman is above system of empty press automation made grease juice appearance, oil pressure and filter the main parameter such as around pressure difference, circumstance of if happening above also can close actively machine in order to protect pneumatics machine. But, administrator of a few equipment or not professional maintenance technician go to the lavatory temporarily for the graph with managing cost, the technical parameter with can increase a setting good normally or it is short receive early-warning circuitry, conduit, bring about machine equipment to cast off superintend and cause breakdown happening.

The odds that general pneumatics machine produces electric machinery breakdown is very low, but if appearing, breakdown reason is discharged hard check, processing also can compare a trouble, this kind of circumstance asks connection to professional is handled and restore.

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2, exhaust pressure is too low

Normally the circumstance falls, the exhaust pressure that present pneumatics function keeps clear of to reduce place to cause because of ascendant atmosphere of height above sea level quite is reduced. If there is bigger flat drop on duct road, that is the problem of pneumatics aircrew oneself. We should check from the following respects is to have what problem:

? Have do in time maintain

Pneumatics machine discharges a quantity to reduce, should see pneumatics machine maintain above all time already arrived, should undertake care and maintenance. Pneumatics aircraft capacity has wave motion is very normal circumstance, what general capacity reduces significantly is client neglect care and maintenance. If operating mode environment is not particularly good, the air filter core of pneumatics machine is very easy block, jam not serious, can use appropriate compression air is blown sweep; Block is more serious, need to change core of new air filter.

? A powerful person that take energy of life is opened entirely

Pneumatics machine discharges a quantity to reduce, if just had undertaken care and maintenance, not be 3 filter and the problem with oily refrigeration so, right now most check pneumatics machine to take gas a powerful person first. Tear open come down to enter air hose, the mouth that examines a powerful person that take energy of life is spent have a problem. Designing plan term of service into theory of gas a powerful person commonly is an operation 100 thousand, because produce manufacturer application individually brand, material and design are different, character also differs somewhat, because this enters gas a powerful person to malfunction,bring about into tolerance insufficient, can cause capacity to reduce, this kind of circumstance can be overhauled or change a powerful person that take energy of life.

? Electric machinery breakdown

After eliminating to take trouble of gas a powerful person, be like capacity of pneumatics airplane unit still on the low side, should notice whether electric machinery is put in breakdown. Because coil of electric machinery electromagnetism produces breakdown of local short circuit, perhaps roll bearing damages, electric machinery axis damages, cause electric machinery rotate speed to be less than rated rotate speed, make pneumatics machine discharges a quantity to reduce. This moment should maintain coil of electric machinery electromagnetism, bearing to wait, after restoring, detect pneumatics aircraft capacity. As identical as its fundamental is machine of pneumatics of leather belt type, should note leather belt bear and transmission case, leather belt becomes loose skid bring about electric machinery to cannot drive nose very well to run, also can cause exhaust pressure low.

? Setting actuating pressure is too low

This kind of circumstance sees at the job the state has change more, or it is the system has undertaken modulatory, maintenance later, machine parameter has pneumatics to had been adjusted, otherwise usually, the job also won’t be adjusted easily after middling pressure strength is good in the setting. Main parameter setting does not recommend pneumatics machine by manufacturing company informal set, should cooperate with however equipment manufacturer and user together, mature craft, operating mode and machine run a characteristic, a scientific and reasonable standard is worth set.

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3, the aeriform oil content of eduction is too high

To a few enterprises that pay attention to air quality very, it is very important that gas has contained much oil. And the cause that poses these problems also is rife, basically include the account of the following respects: The first, cooling oil is added too much; The 2nd, 2 times a vitta or reduce expenditure aperture stem know clearly; The 3rd be bang up of oily fine segregator; The 4th be pneumatics machine generation reduce aeriform pressure too low; Have again even if valve of the least pressure did not have effect; Final ability is the problem of cooling oily oneself. If use cooling and oleaginous volume is bad bubble is overmuch, also can bring about oil content of final eduction gas to promote.

? The cooling oil that adds inside pneumatics machine is too much

Additive cooling oil is too much, exceed standard range, although be in of pneumatics machine in moving, still be can oily vapour gentle style depart comes out, but discharge in gas in, gas still can continue to coil cooling oil in gas eduction, bring about eduction gas oil content too tall.

? Answer vitta road 2 times to malfunction

In the unit process of cargo bandling of compressor of wind cold pattern, answer vitta road 2 times to load a very main obligation, oily segregator interior and the meeting that compressor imports form difference of a kind of pressure, in such pressure poor influence falls, the oil that answers vitta road 2 times to assume bottom of will oily filter carries pneumatics chance, the circulation is reduced in the next use normally in the process. If answer oil to be in charge of road happening,block, burst or group contain by accident, cannot transport the oil of the end end oily filter a compressor inside, bring about a bottom to carry oily keep long in stock, in that way oil of this one part can accompany aeriform transgression, oily case is taken in occurrence vent-pipe process.

? Oily detached core is destroyed

In pneumatics machine in moving, oily detached core produces condition of attaint, broken aperture, in that way the effect that its also lost oily fine segregator. It is oil gas mixture in other words do not have a course to filter effectively, a large number of cooling oil were not come out by depart, accompanying gas to be discharged to come out by equipment together, bring about in exhaust process oil content is high.

? The pressure that the system sets is too low

The pressure that the system sets is too low, can cause cent to leave the centrifugal force in equipment not quite big, more centrifugal than what can offer below standard actuating pressure force is small, the result of separate in that way facility is bad, cause the aeriform oil content that enters process of depart of below one phase too tall, exceed its separate category, also can bring about depart of oily fine segregator not to reach the designated position, the oil in gas of pneumatics machine eduction is overmuch.

? Valve of the least pressure did not work

In pneumatics machine in moving, of valve of the least pressure action is to ensure pressure of the system in moving maintains the pressure that sets in valve of the least pressure over. If valve of the least pressure does not work, the lowermost pressure of so whole system will assure hard. Because give birth to those who produce equipment,compare with tolerance big, appear easily pressure is too low, wind vitta way 2 times oily without enough force pump. Get together to do not have a law to answer in the oil of the end end oily filter send to compressor nose inside, bring about droplet of a large number of oily evaporate benzine to follow aeriform eduction.

? Cooling oily character closes nevertheless

If pneumatics machine joins disappear bubble sex,not be very good cooling oil, or it is environment humidity the metropolis such as water of ooze of the end end bucket of big, oil gas brings about the foam since cooling oil, create the promotion of aeriform oil content of eduction.

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4, exhaust temperature is exorbitant

The breakdown with exorbitant temperature of exhaust of screw pneumatics machine is not infrequent, content of article of this kinds of analysis is consequently more, the description does not have one by one in article, odd from mechanical equipment malfunction and cooling oil two respects have pool:

Mechanical equipment malfunction includes: (1) . Oil ends stoppage of a powerful person; (2) . Breakdown of filter of pneumatics engine oil; (3) . Lukewarm accuse a powerful person to misfire; (4) . Controller of quantity of pneumatics engine oil appears unusual; (5) . Condenser of pneumatics engine oil appears unusual (this breakdown sees more at water-cooled pneumatics machine) ; (6) . Breakdown of pneumatics aircraft nose, include lubricant owe beautiful and design of lead plane oneself unscientific, assemble unqualified wait for an element; (7) . Inhaler breakdown; (8) . Breakdown of oily fine segregator; (9) . Temperature inductor reachs computer breakdown, read a value to appear unusual.

The effect that pneumatics engine oil produces includes: (1) . Oily quantity of pneumatics machine the rest is too little; (2) . Pneumatics engine oil is degenerative, the fluidity that oil tastes drops, hot exchange ability drops; (3) . Viscosity of pneumatics engine oil chooses unreasonable; (4) . The off quality of pneumatics engine oil: Hot oxidation character is weaker, sticky lukewarm character is weaker, wait from the depart in air hard.

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5, pneumatics machine cannot be uninstalled

To load and the main essential factor that uninstalling is pneumatics machine, if pneumatics machine cannot undertake adding uninstalling, so assure normal production hard. If cannot to load, that pneumatics machine also did not compress gas to derive; If cannot be uninstalled, after manufacturing facilities stops, did not have reduce airy demand, pneumatics aircraft still moves in what keep, that result follows to a balloon to encourage all the time same. Pneumatics machine exceeds rating pressure to still be in in move to load, because the meeting achieves pressure highest value makes relief valve is opened.

Hypothesis is nonexistent compress air pipeline a large number of leak and pneumatics machine type selecting are too small the condition that causes gas to be used not quite, that pneumatics machine cannot uninstall have the following reason very likely:

(1) . Pressure switch set is unreasonable, sign up for false number; (2) . A powerful person that take energy of life cannot be opened normally or shut, get stuck to wait for an element suddenly; (3) . A powerful person of electromagnetism of the release when the system stops air is invalid, main show state is pressure gradually upgrade rises, not be to resemble be record in that kind to come up; (4) . Control circuit malfunctions; (5) . Breakdown of a powerful person of to load electromagnetism, to load should fall in uninstalled premise, and the tolerance that the tolerance that load is more than release, because this pressure is constant,rise.

Be aimed at the problem that pneumatics machine cannot uninstall, need to check valve to deposit nonexistent check sluggish, destroy, each electromagnetism a powerful person are normal movement, be like must, need to have repair or be to tear open change.

Summary

In present empty press design, production makes level fall, some moment, because care and maintenance is less than,the problem most that screw pneumatics good luck goes to is or operate error place to cause. If we carry out equipment strictly to operate measure, height to take equipment seriously to maintain, in that way, believe malfunction of many needless machine equipment won’t arise.

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