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Imported bearings to see what to pay attention to from the appearance

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Imported bearings have many aspects to look at in terms of appearance; that is, from these aspects, we can better understand this aspect; firstly, we think about various cracks; for example, raw material cracks; casting cracks; heat treatment cracks and Grinding cracks, etc.; from these aspects, the crack will be in the cloud loading process of the bearing in the future; it will become the agile expansion of the stress gathering source; from this aspect, the way of breaking the imported bearing is formed; And the safety impact of the operation is very large; the important use aspects must be modified by other aspects.
The bearing is in various kinds of scars; such as abrasion; scratch, crush, bump, etc.; will form a bearing device; cause eccentric load and stress gathering; form rotation accuracy and use life reduction.
Corrosion, black skin and pitting; the latter two are the shortcomings of simple storage of water and dirt; the simplest is to carry out rust. Corrosion is the source of pollution, poor wear and fatigue, and severe corrosion can make bearings invalid.
Peeling and folding; the two shortcomings are not well connected to the base metal; and there are often decarburization or carbon deficient appearances around them; the data simply collapses, embosses or wear; the bearing life and accuracy are very high unlucky.
Riveting or welding quality of the cage; firstly investigate whether the rivet head can be biased, tilted, slack, lack of meat or "double eyelids"; the orientation of the welding can be correct; the solder joint is too large.蚝 蚝 鹂ㄗ 鹂ㄗ 鹂ㄗ 龆逑窒螅 龆逑窒螅 龆逑窒螅 ┍ ┍ ┍ ┍ ┍ ┍ ( 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6纾 纾 庑┮闳绮 庑┮闳绮 螅恍≡蛟 螅恍≡蛟 螅恍≡蛟 螅恍≡蛟 螅恍≡蛟 螅恍≡蛟 芍岢 芍岢 芍岢 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊 笤蚩赡芊
The results of the imported bearings from the appearance of the view are the conditions viewed from these aspects; and the most important thing is that the use is also appropriate; but in these points is to pay attention to these conditions.

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