The air knife is a very delicate instrument, especially the blade lip. Although it is made of aluminum alloy/stainless steel, it is easily deformed by collision, so it must be carefully cared for. When shutting down to replace the sinking roller to load and unload the air knife, you must first cover the air knife lip with the air knife cover. When the steel belt tension is opened, first turn on the fan and then remove the knife cover to prevent the steel belt from scratching the air knife lip. . To clean the air knife, you must use a tool made of copper sheets. If there is sticky residue on the upper or lower part of the air knife lip, it must be removed with a soft tool to avoid damaging the air knife.

air knife air knife

When hoisting the luck knife, you must protect the knife lip and be sure not to get injured.

The inner and outer surfaces of the air knife lip are plated with a hard chromium layer. The hard chromium layer on the inner surface can reduce the frictional resistance of the air flow. The hard chromium layer on the outer surface can increase the hardness of the surface, prevent collision deformation, and also make the surface smooth and smooth. It is not easy to stick to slag and reduces the nodulation of the air knife. Therefore, this hard chromium layer must be protected from damage. When inspecting the air knife, you must use metallographic sandpaper to gently wipe away the zinc slag and zinc vapor crystals inside and outside to make the air knife Only when the inside and outside of your lips are as clean as new can they be less likely to stick to residue during use. Annular air knife

If there is minor deformation at the lip of the air knife, you can use a whetstone for local grinding. Pay special attention not to use the whetstone to polish a large area to minimize damage to the hard chromium layer. If the air knife lip is renovated, the hard chromium layer must be removed first, then ground to the original size, and then hard chromium plated again. The air knife equipped with an air filter must be removed and cleaned at least every two or three months to prevent the filter from clogging and increasing resistance. Stainless steel air knife