Analysis of KOYO bearing appearance and ferrule processing intention

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Analysis of KOYO bearing appearance and ferrule processing intention

Source: China Bearing Network Time: 2018-04-25

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A: KOYO bearing appearance view:
1, various cracks; such as the original data crack; casting cracks, heat treatment cracks and grinding cracks; these cracks in the future KOYO bearing operation; will become the source of stress gathering and agile expansion; form KOYO bearing break; KOYO Bearing life and operational safety have a great impact. In fact; KOYO bearings for important uses; KOYO Bearing Factory has conducted 100% magnetic or radiographic inspection of its components.
2, a variety of mechanical scars; such as abrasions; scratches, crushes, bumps, etc.; will form KOYO bearing device failure; incurs eccentric load and stress gathering; formation of rotation accuracy and the use of life reduction.
3, the quality of the riveting or welding of the cage; the first investigation of whether the rivet head can be biased, tilted, slack, lack of meat or "double eyelids"; the orientation of the welding can be correct; the welding point is too large. Rejuvenation is a vassal of vassal."
4, rust, black skin and pitting; the latter two are the shortcomings of simple storage of water and dirt; the simplest to carry out rust. And rust is the source of pollution caused by poor installation, early wear and fatigue; severe corrosion will make KOYO The bearing is invalid.
5, peeling and folding; the two parts of the shortcomings are not well connected with the base metal; and there are often different degrees of decarburization or carbon-poor appearance; the data simply collapse, underdentation or wear; KOYO bearing life And the accuracy is very arrogant.
Two: KOYO bearing ring processing intention:
1. Eliminate the shortcomings of metal connotation; improve the metal arrangement; make the metal streamline spread reasonably; the metal tightness is good; then improve the service life of KOYO bearings.
2. Obtain a blank similar in shape to the product; then improve the utilization of metal data; save data; reduce machining volume; reduce costs.
According to the temperature condition of the metal during casting; the casting can be divided into three categories: hot forging, cold forging and warm forging. Hot forging is the casting process of heating the metal above the recrystallization temperature, and cold forging refers to the deformation of the metal at room temperature. And the metal deformation between the two is called warm forging. Many of the choices in production are hot forging.
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