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如何提高进口淮安INA轴承的安装精度？
How to improve the installation accuracy of imported Huaian INA bearings?
如何提供安装精度直接影响进口轴承的使用寿命。为了延长进口轴承的使用寿命，安装是必不可少的一步。因此，在安装轴承之前，首先要确定轴承的安装精度，然后寻找提高轴承安装精度的方法。
How to provide installation accuracy directly affects the service life of imported bearings. In order to prolong the service life of imported bearings, installation is an indispensable step. Therefore, before installing bearings, we should first determine the installation accuracy of bearings, and then find ways to improve the installation accuracy of bearings.
（1）测量轴和轴承座孔的尺寸，以确定轴承的匹配精度。匹配要求如下：内环与轴采用过盈配合，过盈量为0-4微米（轻载，高精度为0）；外环与轴承座孔采用过盈配合，过盈量为0-6微米（但采用角接触球轴承时可增大间隙）。zi由端；轴与座孔表面圆度误差为2。微米以下，淮安INA轴承隔膜端面平行度小于2微米，轴肩内端面小于2微米，轴承座孔肩外端面小于4微米，主轴前盖内端面小于4微米。
(1) Measure the dimensions of the shaft and bearing seat holes to determine the matching accuracy of the bearing. The matching requirements are as follows: interference fit is used for inner ring and shaft, the interference amount is 0-4 micron (light load, high precision is 0); interference fit is used for outer ring and bearing seat hole, the interference amount is 0-6 micron (but the bance can be increased when angular contact ball bearing is used). The roundness error of the surface of the shaft and the seat hole is 2. Under micron, Huaian INA bearing diaphragm end-face parallelism is less than 2 micron, shaft shoulder inner end-face is less than 2 micron, bearing seat hole shoulder outer end-face is less than 4 micron, spindle front cover inner end-face is less than 4 micron.
（2）安装轴固定端前轴承：用干净的煤油彻底清洗轴承。对于油脂润滑，将含有3~5个百分点油脂的you机溶剂注入轴承进行脱脂和清洗，然后用油枪将定量油脂注入轴承（轴承空间体积的10~15个百分点。轴承加热到20-30摄氏度，然后用液压机装入轴端。将固定套压在轴上，在轴承的端面施加适当的压力，使其轴向定位；将弹簧秤的胶带卷在轴承的外圈上，测量起动力矩，淮安INA轴承检查规定的预紧力是否发生了很大变化（即使轴承S正确，预紧力由于配合或保持架的变形，ad可能会发生变化）。
(2) Install the front bearing of the fixed end of the shaft: clean the bearing thoroughly with clean kerosene. For grease lubrication, you machine solvent containing 3-5% grease is injected into bearing for degreasing and cleaning, and then quantitative grease is injected into bearing (10-15% of bearing space volume) with oil gun. The bearing is heated to 20-30 degrees Celsius and then loaded into the shaft end with a hydraulic press. The fixed sleeve is pressed on the axle, and proper pressure is applied on the end face of the bearing to make it axially bed; the tape of the spring balance is rolled on the outer ring of the bearing to measure the starting moment. Huaian INA bearing checks whether the prescribed preload has changed greatly (even if the bearing S is correct, the preload may change due to the debation of the mating or cage).
（3）将进口轴承轴总成装入座孔：将座孔加热至20-30摄氏度，将轴承轴总成连续轻压入座孔，调整前盖，将前盖紧固至0.02-0.05微米，以轴承座外端面为基准。另一方面，表盘头部与轴颈表面碰撞，其跳动量由旋转轴测量。误差小于10 um。头部位于轴线上，与后座孔内表面接触，转动轴，测量淮安INA轴承座前后座孔的同轴度。
(3) Install the imported bearing shaft assembly into the seat hole: heat the seat hole to 20-30 degrees Celsius, press the bearing shaft assembly into the seat hole continuously and lightly, adjust the front cover, fasten the front cover to 0.02-0.05 micron, and base on the outer end face of the bearing seat. On the other hand, the head of the dial collides with the surface of the journal, and its runout is measured by the rotating axis. The error is less than 10 um. The head is located on the axis, contacts with the inner surface of the rear seat hole, rotates the shaft, and measures the coaxiality of the front and rear seat holes of Huaian INA bearing seat.
（4）zi由端轴承有选择地定位在偏移位置，安装在轴承座后支撑位置，尽可能地偏移圆度和同轴度偏差。
(4) Zi is selectively bed at the offset b by the end bearing and installed at the back support b of the bearing seat to offset the roundness and coaxiality deviation as far as possible.
文章来自：淮安SKF轴承 www.wh-skf.com
Article from: Huaian SKF Bearing www.wh-skf.com
文章来自：淮安INA轴承 www.ina-china.cn
Article from: Huaian INA Bearing www.ina-China.cn
文章来自：淮安NSK轴承 www.klbbearings.com
Article from: Huaian NSK Bearing www.klbbearings.com
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