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What should I pay attention to when installing a PC board?

by:UNQ     2021-03-11
The PC board has the characteristics of high strength and good stability. If you want to use the PC sheets better, we need to pay special attention when installing it. Then let our editor introduce you to the method of installing the PC sheets.  1. The screw spacing can be arranged appropriately according to the thickness of the plate. It is not good if the spacing is too small or too large. If the spacing is too small, sometimes it will cause stress and damage due to being too tight; if the spacing is too large, the plate will be unstable. If self-tapping screws are used to directly fix the plate, the larger the screw spacing, the less likely the plate is to be damaged due to stress.

  2. The size of the screw hole must consider the difference in thermal expansion and contraction of the sheet in summer and winter and book nights. Generally speaking, the screw hole diameter should be 2~4mm larger than the minimum screw diameter to reserve room for expansion.  3. When the screw hole is too close to the edge of the plate, it is very easy to cause breakage. Generally speaking, the position of the screw hole from the edge of the plate is more than 2.5 times the diameter of the screw hole.  4. Do not lock the screw too tightly, otherwise it will deform and induce stress.  5. It is best not to use self-tapping screws for the screws that are locked on the plate, otherwise stress will occur, and the stress will increase with the increase of the thickness of the plate.   6. In order to reduce the direct pressure of the screws and materials, washers can be used to fill the space, but PVC washers and some rubber rings will damage the plate and cannot be used.

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