1. Pipe cutting: use a lathe. Accurate size is required; defective products and waste materials are found in time, and pits, pits, pits, and scrapped products should be avoided during operation.
2. water swelling: water swelling machine. It requires concentration, and always pay attention to whether the product's pits, size, and shape meet the requirements.
3. Segmentation: Use an instrument car to cut off the two outer shells of the water bulge. Requires accurate size, uniform cut, no gaps, and burrs.
4. Bulging: With a large press, the weld of the shell tube should correspond to the joint of the mold. Attention is required, because the pipe welding of the shell should correspond to the joint of the mold. Always pay attention to whether the pit, size, and shape of the product meet the requirements.
5. Flat-bottomed mouth: with an instrument car, the flat-bottomed mouth is uniform, without gaps, and without burrs.
6. The inner liner is flat and top mouth: with an instrument car, the mouth is even, no gaps, and no burrs.
7. Thread rolling: Use a special thread machine to adjust the depth of the thread to meet the size requirements.
8. Washing and drying: clean the inner tank and outer shell and dry them.
9. Inspection of knocking pits: Check whether the inner tank and outer shell are qualified, and knock the pits and pits to meet the requirements.
10. Water test for leak detection: Inflate the butt-welded inner tank to test the water, and if there is any leak in the butt weld, it is qualified.
11. With cup mouth: put the inner tank and outer shell together, and the cup mouth is flat.
12. Weld bottom of the weld joint: ensure that the bottom of the weld joint is penetrated and smooth, without bumps, bumps, and missing solder joints.
13. Vacuum: The tailless vacuum technology is strictly implemented in accordance with the vacuum standard.
14. Temperature measurement: Check whether the cup is vacuum, and pick out the non-vacuum cup.
15. Electrolysis: Send to the outside association for electrolysis. The electrolysis in the cup is required to be evenly bright, without watermarks and yellow spots.
16. Polishing: The cup shell is required to be polished delicately and with orderly lines, and the cup mouth is smooth and bright.
17. Spray paint: send the spray paint to the outsourcing company, the color is the same, the spray paint is required to be even and firm, and there should be no paint drop, pitting, etc.
18. Silk screen: The logo should be clearly printed on the silk screen as required. The logo, size, color, and position should be clear. The silk screen label cannot be stuck in a plastic bag, and it is not easy to buckle it with nails. Therefore, it must be baked in a drying tunnel after screen printing.
19. Packaging.
