(1) The back of the high and low temperature damp heat test chamber has a certain inclination angle to the wall surface:
The back surface of the high-low temperature damp heat test chamber is inclined at a certain angle to the wall surface, and after the back surface is inclined at an angle of 1-3 degrees to the wall surface, the test box has a large opening on one side and a small opening on one side, and has a trumpet shape. The large side emits a lot of noise and should face the object; the small side has less noise and should face the active area of ​​the person.
(2) Appropriately raise the four corners of the high and low temperature damp heat test chamber:
The high and low temperature damp heat test chamber is 3~6 cm high and the four-corner balance is adjusted to increase the air convection space at the bottom of the box. In this way, compressor noise and other noise from the bottom of the cabinet are removed from the bottom of the cabinet, reducing noise from the sides and upper portions of the cabinet.
(3) The compressor base should be firm:
If the compressor is pressed tightly by hand, the noise is significantly reduced, and the noise is increased by hand. This is generally caused by uneven force on the fixed damping pad of the compressor base or loose bolts and unstable compressor bottom plate. The connecting part bolts should be adjusted and tightened and the loss of the elastic washer should be replaced.
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The one used in the libraries and offices for packing books are called steel library shelving.
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Mobile shelving are terms applied to shelving or storage units fitted with wheeled traction systems.
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