TIMKEN轴承
TIMKEN产品描述:
滚道声是由于TIMKEN深沟球轴承旋转时滚动体在滚道中滚动而激发出一种平稳且连续性的噪声,只有当其声压级或声调很大时才引起人们注意。其实滚道声所激发的声能是有限的,如在正常情况下,优质的6203轴承滚道声为25~27dB。这种噪声以承受径向载荷的单列深沟球轴承为典型,它有以下特点:
a.噪声、振动具有随机性;
b.振动频率在1kHz以上;
c.不论转速如何变化,噪声主频率几乎不变而声压级则随转速增加而提高;
d.当径向游隙增大时,声压级急剧增加;
e.轴承座刚性增大,总声压级越低,即使转速升高,其总声压级也增加不大;
f.润滑剂粘度越高,声压级越低,但对于脂润滑,其粘度、皂纤维的形状大小均能影响噪声值。
滚道声产生源在于受到载荷后的套圈固有振动所致。由于套圈和滚动体的弹性接触构成非线性振动系统。当润滑或加工精度不高时就会激发与此弹性特征有关的固有振动,传递到空气中则变为噪声。*,即使是采用了当代高超的制造技术加工TIMKEN深沟球轴承零件,其工作表面总会存在程度不一的微小几何误差,从而使滚道与滚动体间产生微小波动激发振动系统固有振动。
尽管TIMKEN深沟球轴承的滚道噪声是不可避免的,然而可采取高精度加工零件工作表面,正确选用轴承及精确使用轴承使之降噪减振。
套圈滚动表面经超精加工后,TIMKEN轴承的工作性能在以下几个方面得到提高:
(1)提高TIMKEN轴承的旋转精度、降低TIMKEN轴承的振动和噪声 试验研究已证实,轴承旋转精度的提高、振动和 噪声的降低均与套圈的圆形偏差显著减小有很大的关系。
(2) 提高TIMKEN轴承的承载能力 由于套圈滚动表面的世纪支承面积经超精加工后有很大增加,这就为提高整套轴承的承载能力创造了良好的条件。另外,对滚动轴承若滚道超精加工除凸度,也能提高轴承的承载能力。
TIMKEN轴承代理商
(3)提高TIMKEN轴承的润滑效果,减小磨损 由于超精加工后在滚动表面上形成了均匀细腻的交叉网纹,这种交叉网纹对润滑非常有利。使表面易于存储润滑油,在轴承工作时套圈滚动体的表面之间能保持有一层油膜,从而避免或减少了磨损。
(4)减少TIMKEN轴承工作时的发热 这是超精加工综合效果的反映。
总之,超精加工大大提高了TIMKEN轴承工作性能和使用寿命,正因为超精敬爱共有这么多的功能和效果,所以越来越受到TIMKEN轴承套圈光整加工的青睐。
产品涉及:深沟球轴承,圆柱滚子轴承,圆锥滚子轴承,调心球轴承,调心滚子轴承,滚针轴承,角接触球轴承,推力球轴承,推力滚子轴承,关节轴承,外球面轴承,直线导轨等系列。
适用行业:钢铁冶金,港口机械,石油化工,汽车制造,机床造纸等多个行业。
产品型号:
GIKL 12 PB GIKL12-PB
GIKL 12 PW GIKL12-PW
GIKL 14 PB GIKL14-PB
GIKL 14 PW GIKL14-PW
GIKL 16 PB GIKL16-PB
GIKL 16 PW GIKL16-PW
GIKL 18 PB GIKL18-PB
GIKL 18 PW GIKL18-PW
GIKL 20 PB GIKL20-PB
GIKL 20 PW GIKL20-PW
GIKL 22 PB GIKL22-PB
GIKL 22 PW GIKL22-PW
GIKL 25 PB GIKL25-PB
GIKL 25 PW GIKL25-PW
GIKL 30 PB GIKL30-PB
GIKL 30 PW GIKL30-PW
GIKL 5 PB GIKL5-PB
GIKL 5 PW GIKL5-PW
GIKL 6 PB GIKL6-PB
GIKL 6 PW GIKL6-PW
GIKL 8 PB GIKL8-PB
GIKL 8 PW GIKL8-PW
GIKPR 10 PW GIKPR10-PW
GIKPR 12 PW GIKPR12-PW
GIKPR 16 PW GIKPR16-PW
GIKPR 30 PW GIKPR30-PW
GIKPR 5 PW GIKPR5-PW
GIKR 10 PB GIKR10-PB
GIKR 10 PW GIKR10-PW
GIKR 12 PB GIKR12-PB
GIKR 12 PW GIKR12-PW
GIKR 14 PB GIKR14-PB
GIKR 14 PW GIKR14-PW
GIKR 16 PB GIKR16-PB
GIKR 16 PW GIKR16-PW
GIKR 18 PB GIKR18-PB
GIKR 18 PW GIKR18-PW
GIKR 20 PB GIKR20-PB
GIKR 20 PW GIKR20-PW
GIKR 22 PB GIKR22-PB
GIKR 22 PW GIKR22-PW
GIKR 25 PB GIKR25-PB
GIKR 25 PW GIKR25-PW
GIKR 30 PB GIKR30-PB
GIKR 30 PW GIKR30-PW
GIKR 5 PB GIKR5-PB
GIKR 5 PW GIKR5-PW
GIKR 6 PB GIKR6-PB
GIKR 6 PW GIKR6-PW
GIKR 8 PB GIKR8-PB
GIKR 8 PW GIKR8-PW
GIL 10 DO GIL10-DO
GIL 10 UK GIL10-UK
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GIL 12 UK GIL12-UK
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GIL 15 UK GIL15-UK
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GIL 17 UK GIL17-UK
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GIR 17 UK GIR17-UK
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GIR 20 UK GIR20-UK
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GIR 25 UK GIR25-UK
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GIR 30 UK GIR30-UK
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GIR 35 UK-2RS GIR35-UK-2RS
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GIHRK 30 DO GIHRK30-DO
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GIHRK 60 DO GIHRK60-DO
GIHRK 70 DO GIHRK70-DO
GIHRK 80 DO GIHRK80-DO
GIHRK 90 DO GIHRK90-DO
GIKL 10 PB GIKL10-PB
GIKL 10 PW GIKL10-PW
TIMKEN轴承