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Q & a series of technical problems of air compressor (nine)
Author: 志和      Release Date:2014/5/9      View Count:1748
 

"Q & a series of technical problems of air compressor (eight)" refer to: http://www.dg-zhihe.com/cn/newsshow.asp? Id=428

Small make up: Today Xiaobian heard about a new product - high pressure screwmachine, but in the high-pressure air compressor characteristics of what?

Chi and master the technology: high pressure screw air compressor may be the name of our less heard that, it has the following characteristics:

1, the high-end product R & D center.

2, imported host -- efficiency levels higher than similar products ten percent.

Design of 40bar 3, according to the highest pressure.

4, two stage compression: flexible design and poppet valve corresponds, globalpatent of invention.

5, heavy design, SKF bearing, direct drive, no gear noise.

6, has the highest reliability, the optimal structure.

Small make up: appear in high pressure air compressor oil too much is a relativelycommon and complex problems, but how do we know the consumption of high pressure air compressor is what reason?

Chi and master the technology: high pressure air compressor oil consumption in morecomplex problem, we can cause elimination found in high pressure air compressor oil consumption situation:

Exclusion method: 1 crankshaft box temperature is too high or poor ventilation;

2 high pressure air compressor lube oil pressure is too high;

3 oil is too thin (oil temperature high, grades of inconsistent requirements);

4 crankshaft bearings and connecting rod bearing clearance is too large;

5 oil cooler breakage, lubricating oil of high temperature and high pressure by entering the water circulation system breakage of oil cooler.

6 high pressure air compressor cylinder out of round or excessive wear;

The gap between the 7 piston and cylinder is too big;

8 using the primer is too long or the crankcase oil splash lubrication oil is too high.

Small make up: in high pressure air compressor cylinder oil is what reason,

Chi and Technology Master: should have the following reasons: the piston ring weartoo much loss of elasticity of the piston ring in the ring groove; teeth; piston ringgroove clearance is too large; wrong piston ring.

Small make up: we are usually more discussion of screw type, piston, centrifugal air compressor should pay attention to the installation site and conditions, but in high pressure air compressor installation should pay attention to what the problem?Whether with air compressor the ordinary one?

Chi and Technology Master: installation place actually is a little more or less the same,place China high-pressure air compressor when installation should pay attention to the following questions: 1, high pressure air compressor installed in high temperature,high humidity, avoid places, especially in the surrounding air cooling for air compressor, must fully consider the ventilation conditions, ambient temperature is controlled at 35-45 degrees, not more than 45 degrees, or equipment may be due to the high temperature shutdown; 2, in a closed room, please use the air inlet, air outlet,exhaust pipe, ensure that the indoor flow in high pressure air compressor aircondition. In 3, high pressure air compressor to avoid installed in a strong electromagnetic field sites, so as not to affect the computer control system; 4, indooruse high pressure air compressor machine, please do not install from the rain wherepossible; 5, to avoid the high pressure air compressor installed in the dust or toxic gasor corrosive gas place; in 6, high pressure air compressor should be installed on flatplace, avoid installed in a strong vibration place;

Small make up: the abnormal sound sometimes daily use high pressure air compressor, such as metal impact sound, even knocking etc.. So why in high pressure air compressor will vibrate sound abnormal?

Master: Chronicles and technology in high pressure air chance occurrence of abnormal noise may have the following reasons:

1, connecting rod bearing wear serious, connecting rod bolts loosening, connecting rod bushing wear, severe wear or damage the clash;

2, fastening nut loose gear backlash is too large, resulting in the air compressor noiseis knocking;

No immediate supply 3, high pressure air compressor operation, metal dry friction andair compressor noise;

In 4, high pressure air compressor mounting bolts loose;

5, loose belts, the main, driven belt groove discrepancy caused by skidding produceair compressor noise;

Small make up: Oh, this is the original ah, but how can we determine what causessound fault? Can what method can be determined?

Chi and Technology Master: this we also can also be used to exclude, visibleelimination method is still pretty important, ha ha, we could judge:

In 1, high pressure air compressor noise, wheel groove type main, passive belt checks consistency, not replace, and adjust the belt tightness.

High pressure air compressor, check whether the 2 fixing bolts loose power and to be fastened, help to alleviate the air compressor noise.

3, check the oil into the oil pressure, oil pipeline is damaged, plug, pressure should immediately adjust, cleaning, replacement failure pipeline; oil and impurities to check the oil, compared with the use of standard, exceed the standard should be replaced immediately; high pressure air compressor check whether oil, if oil free shall immediately conduct a comprehensive inspection.

In 4, high pressure air compressor noise, check the connecting rod, connecting rod bushing, main bearing wear, injury or loss, the connecting rod bolts is loose, check the air compressor main oil passage is blocked; recommend replacing wear bush,bushing, main bearing serious or strained, tighten the connecting rod bolts, usingcompressed air oil hole alignment high pressure air compressor oil inlet hole; gas to clear the main oil passage. Re assembly, attention should be paid to the spindle bearings.

5, gear transmission in high pressure air compressor should also check whether theloosening of gear or gear is installed with the situation, tighten the nut loose,

 
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