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角接触球轴承的尺寸如何选择
Release time:2022-06-03
Author:
Shandong Ruiding Bearing LTD
角接触球轴承的尺寸如何选择,根据轴的尺寸选择:机械设计时一般会先确定轴的尺寸,之后根据轴的尺寸来选择适合的轴承,根据设备所需的转速和承载力具体选择。轴承的内孔尺寸是已经在生产的时候有所限定的,为此我们选择时应参考轴承内孔尺寸和机器设备内部结构的匹配度进行选择,同时考虑设备所需的转速,六类轴承接触角越大轴向承载能力就越高。
接触角为径向平面内球和滚道的接触点连线与轴承轴线的垂直线间的角度,高精度和高速轴承通常取15度接触角。轴承尺寸确定之前需要对其实际载荷能力进行计算对比,满足设备工作需求之后考虑工作寿命、静载荷安全系数以及经济性。计算滚道和滚动体过量塑性变形的安全系数,大部分轴承受动负荷,内外圈做相对运动,尺寸演算校核滚道和滚动体早期疲劳损坏安全系数。
角接触球轴承的测量总的来说以毫米为单位,从它的环形侧观察外球面轴承的直径。直径(mm)测量的宽度沿着一条线穿过其中心的圆确定,在轴承的中心孔的直径,单位为毫米。这将确保更换轴承配合到轴上。
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