Technology

Precaution before operation of Handsome II air compressor

31/07/2019

Precaution before operation of Handsome II air compressor

Kobelco air compressor maintenance

21/12/2018

Minh Phu Machine and Technical Services Co., Ltd specializes in providing consulting, repair and maintenance services of Kobelco Japanese air compressors.Moreover, Minh Phu also provides Kobelco parts: compressor oil, oil separator, oil filter, air filter, bearings, solenoid ...

Kaeser DSD 202 air compressor repair and maintenance

19/08/2019

Kaeser DSD 202 air compressor repair and maintenance

Thermostats for air compressor

26/12/2018

Thermostat for air compressor has function of regulating the flow of oil onto the compressor cooler to ensure that the oil temperature and air end are always stable in the allowable temperature.

How to find the causes and repair water chiller

27/12/2018

In the process of operation and use of air conditioners in general and chillers in particular, there are many incidents that make users face with many difficulties. In this article we provide readers with the most basic knowledge to determine the causes, phenomena and remedies when air conditioning (chiller) is in trouble.To help you deal with problems during the machine operation and use, we would like to introduce some of the following common problems:

How to distinguish the genuine bearing and the fake

Sunday - 23/12/2018 09:40

Beware of all kinds of fake bearings

Replacing bearings for machinery equipment in general and air compressors in particular in order to ensure durability and increase the time to use machinery equipment, minimize risks in the production process, we should replace genuine bearings.

Recently, there are many types of Bearings (SKF - SKF Ball Bearings) at very cheap prices to hit consumers' psychology, most of these products are fake.
For SKF bearings - SKF bearings, customers can easily see identical products but inferior quality, short usage tim
Forgery is illegally making a product or goods sie.

vong bi skf, vòng bi SKF dùng cho máy nén khí, Cách phân biệt Vòng bi thật (chính hãng) và vòng bi giả mạo, skf bearing — SKF bearing

So what are fake products?

Similar to the genuine product. Counterfeit products are often made with the intention of taking advantage of lower value than real products.
Currently, Thanks to advanced graphics techniques, illegal manufacturers around the world have also made packaging very similar to genuine SKF packaging, increasing the likelihood of confusion for customers. Through censorship, product quality is poor.

Some of the most common techniques are :

+ Using iron, carbon steel (not enough hardness), recycling old bearings (not high precision) to make bearings.
+ New but low-quality bearings are printed, engraved with the label (letters) on the bearings to turn into bearings and put into imitation packages, like real packages
+ Used bearings, recycled, then sold to the market with no clear signs of being recycled.
+ Buy bearings at small factories and then affix the brand name.
+ Use poor quality fake for genuine bearings.
+ Mixed real and fake goods.
+ Selling fake goods if customers want to buy cheap ones and higher prices for the genuine.

How to distinguish genuine bearing and he fake.

Genuine bearing

Fake bearing

-The Stamped letters on bearing are small, deep and clear
-Brand name and type of products are correct format , the quality is good and highly loading There is no noise when working.
-The devitation are not over 1micromet
-Using the best GCR15 steel material with high cost.
-Handling carefully to avoid the quality affect of bearings

-The stamped letters on the forged bearing are not clear and can be erased by hand.
-Appearance is identical the genuine ones but the product quality is not good and highly loading, the speed is limited and there is noise.
-The devitation are more than 1 micromet.
-Using the poor quality and unaccurate steel material is to trade with lower prices
-Packing, shipping without norm affects the quality of bearings.

How to buy the genuine bearing?

Because the form of genuine and the fakes are very similar, so it's is nor easy to tell them apart. In order to avoid buy the fake bearings, this recommendation should be paid attention to:

+ The package is clear.
+ The stamped letters on genuine bearing are small, deep and clear , The stamped letters on the forged bearing are not clear and can be erased by hand.
+ The edge of every corner is not sophisticated.
+ The reputation factories has very strict requirments about materials, manufactoring process so the prices are rather higher than others.
+ Buy the reputation bearing, in case of importing, CO,CQ certificates are nescessary.
+ Directly buy from genuine factories, if not buy goods from the authorized dealer.

About the SKF authorized dealer in Viet Nam, web www.skf.com.vn is recommended or www.skf.com, click Services, then click to Distributor network to search for the nearest authorized dealer.