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Introduce you to several common methods to distinguish the quality of high temperature bearings

by:JNSN     2022-09-27
The high temperature bearing factory () will introduce you to several common methods for distinguishing the quality of high temperature bearings: whether the outer packaging is clear: under normal circumstances, the Zhengchang brand has its own special designers to design the outer packaging, and arrange the production conditions to pass the customs. The production is carried out in the factory, so the packaging is very clear and unambiguous, from lines to color blocks. (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 stencils are clear: Brand words, labels, etc. will be printed on the high-temperature bearing body. The font is very small, but most of the products produced by the factory use steel stamping technology, and the embossing is carried out before heat treatment. Therefore, although the font is small, it is deeply concave and very clear. The fonts of counterfeit products are not only vague, but because of the rough printing technology, the fonts float on the surface, and some can even be easily erased by hand. Whether there is any noise: Hold the bearing body sleeve with the left hand, turn the outer sleeve with the right hand to rotate it, and listen to whether there is any noise. Due to the backward production conditions of most of the counterfeit products and the completely manual workshop operation, it is inevitable that impurities such as sand will be mixed in during the production process and hidden in the bearing body, so there will be noises when rotating. This is the biggest difference between a genuine brand that strictly enforces production standards and operates with machines. Whether there are turbid oil marks on the surface: This should be paid special attention to when purchasing imported bearings. Since the current anti-rust technology in China is not particularly good, it is easy to leave thick oil traces when the bearing body is anti-rust, which is sticky and sticky in the hand, and the bearings imported from abroad are almost invisible. As for the traces of anti-rust oil, a very careful expert said that the imported bearings smelled a kind of smell, which must be anti-rust oil, but it was not visible. Whether the chamfer is uniform: the chamfer of the high-temperature bearing, that is, the junction of the horizontal and vertical surfaces, the counterfeit high-temperature bearing is not handled well in these corners due to the limitation of production technology.
looking for the best deal while getting a quality is usually the number-one objective for most Hrb Bearing China manufacturer.
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