Check the oil cup of aluminum profile cutting machine once a day whether there is smooth oil, generally speaking, guanghua cup to maintain more than 7 points full, in order to prevent cutting without smooth oil and damage the life of the machine. Also check if the pressure is between 6-7kg before working. Too much pressure or too little pressure will damage the parts. Aluminum cutting machine had better be equipped with automatic water filtration device, if not always check whether the pipeline water, so as not to affect the operation of the machine;