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Visit Qionglong, be a passionate pioneer, encourage hard work, and create new heights

Jiangsu NICHJO Bearing Co., Ltd. launched the team-building activity of "Visit Qionglong, Be a Passionate Vanguard, Encourage Hard Work, and Create Risheng Peak" on October 13, 2019. The employees were full of enthusiasm and climbed Qionglong Mountain, which is known as the crown of the mountains on the east bank of Taihu Lake. During the climbing process, the employees competed with each other and encouraged each other, showing the healthy, united and high-spirited spirit of Risheng people.

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2019.11

Warm congratulations to General Manager Li Xiangming for being elected as a member of the 7th Product Design and Application Division of the Technical Committee of the China Bearing Industry Association.

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2019.03

January 19, 2019 Annual Meeting

On January 19, 2019, the annual meeting of NICHJO Bearing was held with the theme of "Benchmarking benchmark enterprises to build a high-quality, efficient and beautiful automobile bearing production base".

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2019.03

Type construction and type selection

1) Machinery has various working conditions. In order to meet these specific use requirements, different types of bearings are needed to ensure actual needs. According to the shape of the rolling element, rolling bearings can be roughly divided into ball bearings and roller bearings; according to the main direction of the load, they can be divided into radial bearings and thrust bearings. Table 1 is a comparison of the general characteristics of ball bearings and roller bearings. Table 1 Comparison of general characteristics of ball bearings and roller bearings According to the national standard GB/T272-93, the commonly used types of rolling bearings can be found in the database.

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2019.03

Rolling bearing damage

When disassembling and inspecting rolling bearings, the failure and cause of bearing damage can be determined based on the bearing damage. 1. Metal peeling on the raceway surface The rolling elements and the inner and outer ring raceways of the bearings are subjected to periodic pulsating loads, which generates periodic contact stress. When the number of stress cycles reaches a certain value, fatigue peeling occurs on the rolling elements or the inner and outer ring raceway working surfaces. If the load on the bearing is too large, this fatigue will be aggravated. In addition, improper installation of the bearing and bending of the shaft will also cause raceway peeling. Fatigue peeling of the bearing raceway will reduce the running accuracy of the shaft and cause vibration and noise in the mechanism.

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2019.03

Bearing inspection and troubleshooting during operation

The inspection items during operation include the rolling sound, vibration, temperature, lubrication status of the bearing, etc. The specific conditions are as follows: 1. Rolling sound of the bearing Use a sound meter to check the size and sound quality of the rolling sound of the running bearing. Even if the bearing has slight damage such as peeling, it will emit abnormal and irregular sounds, which can be distinguished by a sound meter.

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2019.03

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Jiangsu NICHJO Bearing Co., Ltd.

Business a telephone: 86-512-57704998

Business two telephone: 86-512-57729081

Technical support telephone: 86-512-57715918

Purchase a telephone number: 86-512-57729087

Recruitment telephone number: 18913287178

Address: 1658 Jinshajiang Road, Kunshan City, Jiangsu Province, China

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