Black oxidation is a surface treatment method of chemical reaction on the surface of INA bearing steel. Black oxide layer is formed when parts are immersed in alkaline brine solution at working temperature of about 150 degrees Celsius.

黑色氧化物的好處bi須通過單獨(dú)的應(yīng)用來判斷，但這種處理沒有任何危害。它已成功地應(yīng)用于其余行業(yè)難以操作的INA軸承，如造紙機(jī)輥、機(jī)床和工業(yè)通風(fēng)機(jī)。黑色氧化過程涉及許多參數(shù)。整個(gè)過程包括大約15個(gè)不同的浸漬步驟。在許多步驟中，化學(xué)成分、濃度、溫度、浸漬時(shí)間和流體特性都可以調(diào)整。

The benefits of black oxide Bi must be judged by its application alone, but there is no harm in this treatment. It has been successfully applied to INA bearings which are difficult to operate in other industries, such as paper mill rolls, machine tools and industrial ventilators. Black oxidation process involves many parameters. The whole process includes about 15 different impregnation steps. In many steps, chemical composition, concentration, temperature, impregnation time and fluid characteristics can be adjusted.

為了達(dá)到zui佳性能，建議內(nèi)外環(huán)和輥均采用黑色氧化處理。黑色氧化可應(yīng)用于大型風(fēng)力機(jī)的所有軸承類型。近年來，圓柱滾子軸承和圓錐滾子軸承的到了成功的處理和使用。

In order to achieve the best performance of zui, black oxidation treatment is recommended for both inner and outer rings and rolls. Black oxidation can be applied to all bearing types of large wind turbines. In recent years, cylindrical roller bearings and tapered roller bearings have been successfully treated and used.

軸承座上中部和軸承座外側(cè)（朝向輥頭）注入的潤(rùn)滑脂不能很好地進(jìn)入軋機(jī)軸承，容易丟失，導(dǎo)致軸承在軋制過程中工作面油質(zhì)bu良，導(dǎo)致軸承早期失效。

The lubricating grease injected into the middle part of the bearing seat and the outer side of the bearing seat (towards the roller head) can not enter the rolling mill bearing well and is easy to be lost, resulting in good oil Bu in the working face of the bearing during rolling process, leading to early failure of the bearing.

為此，對(duì)軸承座油路進(jìn)行了改進(jìn)，在INA軸承座內(nèi)側(cè)（朝向輥體）增加了噴油嘴，提高了注脂效果。軸承潤(rùn)滑良好。大多數(shù)軋鋼機(jī)現(xiàn)在使用潤(rùn)滑脂潤(rùn)滑。由于立磨的結(jié)構(gòu)，使軸承在軋輥轉(zhuǎn)動(dòng)時(shí)使用壽命延長(zhǎng)。

For this reason, the oil circuit of bearing seat was improved, and the oil injector was added to the inner side of INA bearing seat (towards the roll body) to improve the grease injection effect. The bearings are well lubricated. Most rolling mills now use grease lubrication. Because of the structure of the vertical mill, the service life of the bearing is prolonged when the roll rotates.

根據(jù)主機(jī)部件的要求注入規(guī)定的潤(rùn)滑脂或潤(rùn)滑劑。

Inject the specified grease or lubricant according to the requirements of the main engine parts.

裝配大軸承及軸承與軸、座孔間隙大的產(chǎn)品時(shí)，bi須用油浴加熱軸承，油浴溫度約80℃。

When assembling large bearings and products with large clearance between bearings and axles and seat holes, Bi must use oil bath to heat bearings, and the oil bath temperature is about 80 C.

拆卸INA軸承時(shí)，bi須使用專用繪圖工具。嚴(yán)禁用鐵制工具直接敲打軸承。

When disassembling INA bearings, Bi must use special drawing tools. It is strictly forbidden to tap bearings directly with iron tools.

在裝配和拆卸軸承時(shí)，應(yīng)避免滾動(dòng)部件和保持架受力或變形。

When assembling and disassembling bearings, force or deformation of rolling parts and cages should be avoided.

文章來自：SKF軸承 www.wh-skf.com

Article from: SKF Bearing www.wh-skf.com

文章來自：INA軸承 www.ina-china.cn

Articles from: INA Bearing www.ina-China.cn

文章來自：NSK軸承 www.klbbearings.com

Article from: NSK Bearing www.klbbearings.com

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