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Vacuum packaging machine use and precautions
1. Check whether the power supply voltage is in compliance with (three-phase four-wire 380V or single-phase 220V), and whether the ground connection is good or not. 2. Check if the vacuum pump oil level meets the specified requirements. (Note: vacuum pump oil level should always maintain 1/2-3/4 oil level, regular oil change, continuous oil change once a month, if the working environment, water vapor or dust too much, you need to shorten the oil change period, with Vacuum pump oil or N68 mechanical oil instead.Before changing the oil, the pump must be warmed up.) 3. According to the needs of the packaged goods, the vacuum time is generally adjusted to about 20-30 seconds, (the longer the time, the higher the vacuum degree, with the use of As the altitude of the area increases, the ultimate vacuum will decrease proportionately.) 4. According to the material of the packaging bag, adjust the sealing temperature and sealing time. (Note: The maximum time delay for heat sealing is 6 seconds. Generally, the temperature of the double-layer composite film is adjusted in 2-3 steps and the time is adjusted in 3-4 seconds. Various packaging materials are tested for their best temperature time. Extend, appropriately reduce the stall or shorten the time.) 5, according to the needs of the packaging, put on the corresponding factory date and so on plastic word. 6. Turn on the power and place the lock on the “ON†position. Close one of the vacuum chambers and start working with a slight pressure vacuum pump. Pay attention to the direction of operation. The vacuum is established in the forward direction, and the reverse vacuum is not established. The correction must be immediately reversed. 7. Evenly arrange the packing bags on the sealing strips and place them under the pressure bag strips. 8, close a vacuum chamber, a little pressure, the entire packaging process from the vacuum, sealing, printing, air return by the electrical automatic program control once completed. 9, while working in a vacuum chamber, another vacuum chamber can place items. After a vacuum chamber is returned to zero, the upper vacuum chamber can be moved to another vacuum chamber so that the left and right chambers can alternately work. 10. In the course of work, if abnormal phenomena are found, press the emergency stop button to return to the air in advance and work again. 11. When the work is paused, place the lock switch in the “off†position. When it is stopped, cut off the power and do a clean job.