Professor's trick: "There is a good way to distinguish bearing quality"

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Professor's trick: "There is a good way to distinguish bearing quality"

Source: Bearing network time: 2013-11-19
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It is expected that the broad purchase of bearing people will pay attention to the following when purchasing bearings:
1. Whether the appearance of dirty oil traces: this should be uniquely focused on the purchase of imported bearings. Because the current domestic anti-rust skills are not unique to the home; so the rust-proof treatment of the bearing body is very simple to leave a thick trace of oil; It is sticky and sticky on the hand; the bearings imported from foreign countries can hardly see the traces of anti-rust oil; but it is a unique and careful expert that the imported bearings smell a smell; it is definitely anti-rust oil; Can't see it. Can the chamfer be even: the chamfer of the bearing; that is, the intersection of the horizontal and the vertical; the counterfeit bearing is restrained by the production skill; the corners of these corners are unsatisfactory. .
2. Whether the outer packaging can be clear: Under normal circumstances; the factory brand has a special depiction of the external packaging; and the factory that produces the production conditions is manufactured; therefore, the packaging is very clear from line to color; Vague. Whether the steel printing can be clarified: the brand name, label, etc. will be printed on the bearing body. The font is very. Qin 銎 銎 銎 褂 褂 褂 褂 〖 〖 酰 酰 酰 酰 〖 酰 酰 酰 谖淳 谖淳 谖淳 谖淳 棺 棺 棺 棺 棺 棺 棺嫉. The front 嫉 睿 睿 环 环 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而
3. Can there be noise: the left hand grasps the inner sleeve of the bearing; the right hand pushes the outer sleeve to make it rotate; listen to whether it can have noise, because the production conditions of most counterfeit products are backward; thorough craft workshop operation; inevitably in the production process It will be mixed with impurities such as sand; it will be hidden in the bearing body; therefore, the noise will be announced during the rotation. This is the biggest difference between the strict implementation of the production specifications and the operation of the factory brand.
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