Needle roller bearing co ltd tells you how to judge the quality of needle roller bearings

197 Published by admin Dec 25,2018

Whether the outer packaging is clear: In general, the regular needle roller bearing co ltd has its own designer to design the outer packaging, and arranges the production of needle roller bearing co ltd, which is produced under the conditions of production, so the packaging is from line to color. The blocks are very clear and unambiguous. (There are also unique designs on the accessories packaging of some imported brands to protect their intellectual property rights, which will be introduced in detail in future content).

Whether the steel printing is clear: brand words, labels and so on will be printed on the bearing body. The font is very small, but the regular needle roller bearing co ltd mostly uses the stencil technology, and the type is pressed before the heat treatment, so the font is small, but the recess is deep and very clear. The fonts of counterfeit products are not only blurred, but because of the rough printing technology, the fonts float on the surface, and some can even be erased by hand.ina needle roller bearing co ltd

needle roller bearing co ltd--Is there any noise: hold the inner sleeve of the bearing from needle roller bearing co ltd with your left hand, and turn the outer sleeve with your right hand to make it rotate to hear if it has noise. Since most of the counterfeit products are out of production conditions and completely hand-worked, it is inevitable that impurities such as sand will be incorporated into the bearing body during the production process, so that noise will be generated when rotating. This is the biggest difference between a factory brand that strictly enforces production standards and operates with machines.iko needle roller bearing co ltd

Whether there is turbid oil on the surface: this should be paid special attention when purchasing imported bearings. Due to the current anti-rust technology of domestic needle roller bearing co ltd, it is not particularly good at home. Therefore, it is easy to leave a thick oil trace when the bearing body is rust-proof, and it is sticky on the hand, and the foreign imported needle Roller bearing co ltd bearing almost no trace of anti-rust oil, but it is particularly careful that the imported needle roller bearing co ltd bearing smells a smell, it must be under the anti-rust oil, just can not see it .

Whether the chamfer is uniform: the so-called chamfer of the bearing from needle roller bearing co ltd , that is, the intersection of the horizontal surface and the vertical surface, the counterfeit bearing is unsatisfactory in the processing of these corners due to the limitation of production technology.

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