Semi automatic punching machine It is necessary to clean and lubricate it regularly if it always has excellent drilling quality Auto punching machine Clean up the residual waste on the workbench and in the mold, semi-automatic Punching machine When cleaning, use clean linen cloth to clean the surface of the hole punching machine. Do not use acid-base solvents to clean the surface of the hole punching machine. At the same time, be careful not to let moisture enter the inside of the hole punching machine. After the semi-automatic punching machine is cleaned, appropriate lubricating oil shall be added to some parts that may cause friction as appropriate. The semi-automatic punching machine can ensure the flexibility of these parts and reduce the wear caused by excessive friction.