Knowledge

Its surface can be used for epoxy asphalt topcoat, chlorinated rubber topcoat, acrylic and polyurethane topcoat, fluorocarbon topcoat, etc.

Glass must be a bit thicker, pay attention to the periphery of glass even whether to have crack, if have crack, mean to have hidden trouble, still have to pay attention to whether

Look at the steel plate, the steel plate must be thick, you tap with your finger, you can feel which thick and which thin.

The coating on the surface of the cabinet must be uniform, without hanging or exposing the bottom.

First, see whether the steel plate frame has burr, sharp mouth, the best case of long silver industrial control is often edged, at least after grinding treatment...

It is usually recommended that the total clearance of abrasive is 20%~20% of the thickness of raw materials.

Fastening screws shall be applied to the hardware of the device, and a metal lining plate shall be set inside.

Due to the importance of anti-corrosion and anti-seismic IPC box to take into account, its internal structure has become the second major problem in the selection of the case.

The network cable group, the number of groups is usually less than or equal to the number of line frame behind the cabinet.