Levelness of tray support frame
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How is the levelness of the trays and internal components of the tower measured? What tools are used for this, and what are the standards?
First, you need to determine the diameter of your tower. Then, the range can be determined based on national standards or the standards set by various manufacturers; different diameters have different corresponding values. The national standards for tolerance levels are as follows: Nominal diameter of the tower, allowable levelness tolerance – Dg≤1600: 3; 1600＜Dg≤4000: 5; 4000＜Dg≤6000: 6; 6000＜Dg≤8000: 8; 8000＜Dg≤10000: 10. Measurement can be carried out using a level tube or a laser level; for very small diameters, a simple level is also sufficient