Bearing quality distinction small common sense

Source: China Bearing Network Time: 2014-06-08

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Many manufacturers and some customers report that it is a difficult problem to distinguish the quality of the bearing; today it is a brief analysis of how to distinguish the quality of the bearing; the first thing to discern is whether the bearing outer packaging can be clear: whether the packaging can be clearly stated; The factory brand has individual descriptive personnel to describe the external packaging; it should be distinguished by careful observation; and the factory that produces the production conditions will be manufactured; therefore, the packaging is clear from line to color; Vague. Some manufacturers also have some special identifiers; so pay attention to the next step to see if the stamp can be clearly defined; the brand body will be printed with the brand typeface, label, etc. The font is very. Qin éŠŽ éŠŽ éŠŽ è¤‚ è¤‚The enzyme clock ã€– é™… é…° æ¬¢ è°–æ·³ è°–æ·³ è°–æ·³ è°–æ·³ è°–æ·³ ç¢‡ç†¬ æ£º æ£º æ£º æ£º æ£º æ£º æ£º æ£º æ£º æ£º æ£º æ£º æ£º å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰ å«‰On the outside; some or even easily can be wiped off with a damp cloth or hand. Then listen to the bearing can have noisy; grasp the bearing body sleeve; Rotation; listen to whether it can have noise. Most of the products are behind the production conditions; thoroughly craft workshop operation; in the process of production will inevitably be mixed with sand and other impurities; hidden in the bearing body; so the rotation will announce the miscellaneous This is the biggest difference between the manufacturer and the manufacturer of the machine. The next step is to see if there is any dirty oil on the surface. Pay special attention when purchasing bearings. The current domestic anti-rust skills It is still not sophisticated; therefore, it is very simple to leave a thick trace of oil when the bearing body is rust-proof; and the original imported bearings can hardly see the traces of rust-proof oil; if you are an expert; smell the bearing; Can also smell rust-proof oil; just can't see it. Finally, see if the chamfer can be even; that is, the intersection of the horizontal and vertical faces; posing as a bearing because of the production skills; there is no high-tech device; The corners of these corners are poorly handled; it is not difficult to see them carefully.

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