nsk轴承nsk轴承资料.doc

NSK轴承-NSK轴承资料NSK轴承是一种精密的机械支承元件,外球面NSK轴承用户深切希望装在主机上的NSK轴承能够在预定的使用期内不致损坏并保持其动态性能,但客观事实有时并非尽如人意,突发的NSK轴承失效事故会给用户造成重大损失。通过大量的NSK轴承失效分析研究表明,外球面NSK轴承短寿或过早的丧失精度,有的是由于材料缺陷或制造不当所致,但在相当大的程度上是由于没有严格按照NSK轴承使用要求进行安装、维护,或者是NSK轴承选型不当或实际载荷超过NSK轴承本身的额定载荷等原因造成NSK轴承的非正常损坏,例如,NSK轴承零件的疲劳剥落在很大程度上就是因为润滑油中混有杂质引起的。检测时,先把NSK轴承盖打开,选用适当直径的铅丝,将其截成15~40毫米长的小段,放在轴颈上及上下NSK轴承分界面处,盖上NSK轴承盖,按规定扭矩拧紧固定螺栓,然后在拧松螺栓,取下NSK轴承盖,用千分尺检测压扁的铅丝厚度,求出外球面NSK轴承顶间隙的平均值。若顶隙太小,可在上、下瓦结合面上加垫。若太大,则减垫、刮研或重新浇瓦。轴瓦紧力的调整:为了防止轴瓦在工作过程中可能发生的转动和轴向移动,除了配合过盈和止动零件外,轴瓦还必须用NSK轴承盖来压紧,测量方法与测顶隙方法一样,测出软铅丝厚度外,可用计算出轴瓦紧力(用轴瓦压缩后的弹性变形量来表示)~。如果压紧力不符合标准,则可用增减外球面NSK轴承与NSK轴承座接合面处的垫片厚度的方法来调整,瓦背不许加垫。NSK轴承除了要保证径向间隙以外,还应该保证轴向间隙。检测轴向间隙时,将轴移至一个极端位置,然后用塞尺或百分表测量轴从一个极端位置至另一个极端位置的窜动量即轴向间隙。常见NSK轴承型号:NSK7015CTYNDBLP4轴承NSK100BAR10H轴承NSK30BER10H轴承NSK6006T1X轴承NSK7015CTYNDBLP5轴承NSK100BAR10S轴承NSK30BER10S轴承NSK6006T1XVV轴承NSK7015CTYNDULP4轴承NSK100BAR10STYNDBLP4轴承NSK30BER10X轴承NSK6006T1XZZ轴承NSK7015CTYNDULP5轴承NSK100BAR10STYNDBLP4A轴承NSK30BER19H轴承NSK6006VVC3P5轴承NSK7015CTYNSULP4轴承NSK100BER10H轴承NSK30BER19S轴承NSK6007T轴承NSK7015CTYSULP4轴承NSK100BER10S轴承NSK30BER19X轴承NSK6007T1X轴承NSK7016A5TYNSULP4轴承NSK100BER10X轴承NSK30BNR10H轴承NSK6007T1XVV轴承NSK7016A5TYNSUMP5轴承NSK100BER10XE轴承NSK30BNR10S轴承NSK6007T1XZZ轴承NSK7016A5TYSULP4轴承NSK100BER19H轴承NSK30BNR10X轴承NSK6007VVC3P5轴承NSK7016CTYNDULP4轴承NSK100BER19S轴承NSK30BNR19H轴承NSK6008T轴承NSK7016CTYNDULP5轴承NSK100BER19X轴承NSK30BNR19S轴承NSK6008T1X轴承NSK7016CTYNSULP4轴承NSK100BER19XE轴承NSK30BNR19X轴承NSK6008T1XVV轴承NSK7016CTYSULP4轴承NSK100BNR10H轴承NSK30TAC62B轴承NSK6008T1XZZ轴承NSK7017A5TYNSULP4轴承NSK100BNR10S轴承NSK30TAC62BDBC10PN7A轴承NSK6008VVC3P5轴承NSK7017ATYNDBLP5轴承NSK100BNR10STYNDBLP4轴承NSK30TAC62BDDGSUC10PN01轴承NSK6009T轴承NSK7017CTYNDULP4轴承NSK100BNR10X轴承NSK30TAC62BDFC10PN7A轴承NSK6009T1X轴承NSK7017CTYNSULP4轴承NSK100BNR10XE轴承NSK30TAC62BSUC10PN7B轴承NSK6009T1XVV轴承NSK7018A5TYNSULP4轴承NSK100BNR19H轴承NSK35BER10H轴承NSK6009T1XZZ轴承NSK7018A5TYNSUMP4轴承NSK100BNR19S轴承NSK35BER10S轴承NSK6009VVC3P5轴承NSK7018CTYNDBDMP5轴承NSK100BNR19X轴承NSK35BER10X轴承NSK6010T轴承NSK7018CTYNDULP4轴承NSK100BNR19XE轴承NSK3