1. 150m/min high speed has already reached the international most advanced level.
2. Rewind and unwind both adopt double position and equip with semi-automatic to connect paper device, The machine can change the rolls of base material nonstop， It will reduce the waste.
3. When the double sides adhesive tape coat twice, it will effect the quality of products, but the technology of double sides coating meanwhile will solve the questions.
2.4. Coating job related product quality issues:
4) How to judge the bonding performance of the pole piece?
The material can not be removed, and taped to see how much residue, the positive electrode is greater than 1/3, and the negative electrode is greater than 1/2. It can be considered that the bonding is good.
5) How can I handle the correct handling of particles? Plug it with a stopper, if the pellets should be washed, wash the knife
6) What is the relationship between the quality of the knife and the quality of the coated pole piece?
Ensure uniform film density (interpolate the effect of film density on battery performance, capacity)
7) What is the importance of the gap adjustment between the back roller and the coating roller? Too big to carry the material, too small and easy to wear.
8) The importance of mixing.
Prevent slurry stratification and improve slurry consistency
Coating operation process --
? Pre-adjust the gap gap
2. Adjust the gap between the coating roller and the knife roller. The general gap is between 300 and 400 microns. The specific adjustment is to adjust the clearance by turning the screw (the rotating screw is to rotate both sides at the same time)
? Apply PET film and set the coating width (Note: PET film must be firmly bonded with transparent tape, the coating width is based on the outlet of the slurry)
? Fix the waste pallet, the retaining plate, and carry out the trial coating (single-sided first inspection: whether the coating is dried, whether the coating width is correct, the width of the tabs on both sides, and the areal density)
? Formal coating (provided that all parameters and dimensions are correct), inspection ? Double-sided first inspection (including symmetry, double-sided density, etc.)
? When applying the other side, the strap must be firm (with aluminum foil tape), stop coating, stop heating, remove the coated aluminum copper foil, put it into the oven and heat it in vacuum.
? Turn off the machine, turn off the power, air supply, and clean the equipment.
? Put used tools in place and clean them off work.
Zhengzhou EAST IMPORT AND EXPORT co., ltd . ( a goulian group of company) a manufacturer and exporter for all kind of packaging machinery , like bopp tape coating machines, bopp tape slitting machines. Bopp tape core cutter, bopp tape core loader etc