选择镇江INA轴承时应该考虑什么？你可以试着考虑以下四个步骤：
What should be c***idered when choosing REXROTH bearings in Zhenjiang? You can try to c***ider the following four steps:
如何制约轴的位置，包括径向和轴向位置，是首先考虑的问题。通常，轴通常由两个支架支撑。轴的径向位置由两个轴承限定。每个轴承应该有一个径向***中点或角接触轴承。轴向位置可由两个支承件在一个轴向位移方向上或由支承件在两个轴向位移方向上受到约束。一般来说，不同的轴向***方法可以具有不同的操作精度。因此，在支承结构设计中，应根据轴的工作精度和工作条件选择具体的镇江INA轴承轴向***方案。
How to control the position of shaft, including radial and axial position, is the first c***ideration. Usually, the shaft is usually supported by two supports. The radial position of the shaft is defined by two bearings. Each bearing should h***e a radial positioning middle point or angular contact bearing. The axial position may be c***trained by two supporting elements in one axial displacement direction or by two axial displacement directi*** of the supporting elements. Generally speaking, different axial positioning methods can h***e different operation accuracy. Therefore, in the design of supporting structure, the specific axial positioning scheme of Zhenjiang REXROTH bearing should be selected according to the working accuracy and working conditi*** of the shaft.
角接触轴承和圆锥滚子轴承通常是在径向和轴向载荷下成对安装的。角接触轴承以三种方式成对布置。轴承外圈的两端相对安装为背靠背安装。这两个点落在支撑跨度之外。这种结构具有支承跨度大、悬臂刚度好、轴受热伸长时内外环脱开等优点，因而取得了广泛的应用。但是，如果安装了预紧力，则轴加热时预载荷将减小。
Angular contact bearings and tapered roller bearings are usually installed in pairs under radial and axial loads. Angular contact bearings are arranged in pairs in three ways. The two ends of the outer ring of the bearing are relatively installed as back-to-back mounting. These two points fall outside the support span. This kind of structure has the advantages of large supporting span, good cantilever stiffness, and the inner and outer rings are separated when the shaft is heated and elongated. However, if the preload is installed, the preload will be reduced when the shaft is heated.
镇江INA轴承外圈的两端相对安装，称为面对面安装。两个支座的力作用点落在轴承的跨度中。该装置结构简单，拆装方便，调试方便，应用广泛。它主要用于短轴和低温上升，但我们须注意备用空间。轴向间隙不应太大，以降低轴的操作精度。当轴向压力较大时，需要同时承受多个轴承，常采用较大的外圈和窄的串联轴承表面。所有轴承支承点落在轴承的同一侧，因此它们被称为“对齐”或“串联”。在采用这种布置时，应注意确保在结构和制造中每个轴承载荷均匀分布。
The two ends of the REXROTH bearing outer ring of Zhenjiang are relatively installed, which is called face-to-face installation. The force acting point of the two supports falls in the span of the bearing. The device has the advantages of simple structure, convenient disassembly and assembly, convenient debugging and wide application. It is mainly used for short axis and low temperature rise, but we should pay attention to spare space. The axial clearance should not be too large to reduce the operating accuracy of the shaft. When the axial pressure is large, it is necessary to bear multiple bearings at the same time. Large outer ring and narrow series bearing surface are often used. All bearing supports fall on the same side of the bearing, so they are called "alignment" or "tandem". When adopting this arrangement, attention should be paid to ensuring uniform load distribution for each bearing in structure and manufacture.
在运行中，主轴或驱动轴的温度通常高于相邻部件的温度，因此镇江INA轴承轴将被拉伸。为了保持轴的旋转灵活，在支座str的设计中为了满足轴的***精度要求，还应考虑轴的膨胀的加热要求。轴向***和轴向膨胀是对应的。
In operation, the temperature of the spindle or drive shaft is usually higher than that of the adjacent parts, so the Zhenjiang REXROTH bearing shaft will be stretched. In order to keep the rotation of the shaft flexible, in order to meet the requirements of the positioning accuracy of the shaft in the design of the support str, the heating requirements of the expansion of the shaft should also be c***idered. Axial positioning and axial expansion are corresponding.
间隙设计用于控制轴的精度。调整轴的轴向位置，以满足某些啮合齿轮的特殊要求。例如，在蜗杆传动中，为了保证蜗轮的正确啮合，蜗杆轴须落在蜗轮的中间平面上，从而要求蜗杆轴在轴向上调整其位置。两个锥齿轮轴可轴向调节。
The gap design is used to control the accuracy of the shaft. Adjust the axial position of the shaft to meet the special requirements of some meshing gears. For example, in worm gearing, in order to ensure the correct engagement of the worm wheel, the worm shaft must fall on the middle plane of the worm wheel, thus requiring the worm shaft to adjust its position in the axial direction. Two bevel gear axes can be adjusted axially.
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文章来自：镇江INA轴承 a-
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