Coupling alignment method

      Want to understandCouplingTo find the principle, let's first analyze the error situation of the coupling when the machine is installed.
    When the machine is installed, the coupling will deviate or tilt in the axial and radial directions, and there may be four situations:
    ⑴两半联轴节既平行又同心，如图a所示。这时S1=S3，a1=a3，此处S1、S3，a1、a3表示联轴节上方(0°)和下方(180°)两个位置上的轴向和径向间隙。
    ⑵The two halves of the coupling are parallel but not concentric, as shown in Figure b.At this time, S1=S3, a1≠a3, that is, there is a parallel radial offset between the center lines of the two shafts.   
    (1) Although the two halves of the coupling are concentric, they are not parallel: as shown in Figure c.At this time, S3≠S1, a3=aXNUMX, that is, there is an angular displacement between the center lines of the two axes (the inclination angle is a).
    ⑷The two halves of the coupling are neither concentric nor parallel, as shown in Figure d.At this time, Sl≠S3, a1≠a3, that is, the center lines of the two axes have both radial offset and angular displacement.

    
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