1, the shell processing flow
Outer pipe picking - cutting pipe - bulging - segmentation - bulging - rolling middle angle - shrinking bottom - cutting bottom - blasting - flat upper mouth - punching bottom - flat bottom - cleaning and drying - inspection knocking pit - qualified shell
2, the inner shell processing flow
Inner pipe picking - cutting pipe - flat pipe - bulging - rolling upper corner - flat upper mouth - flat bottom mouth - rolling thread - cleaning and drying - inspection knocking pit - butt welding - test water leak detection - drying - qualified liner
3, shell and inner shell assembly process
Matching cup mouth - welding mouth - pressing midsole - welding bottom - inspection welding bottom - midsole spot welding getter - vacuum - temperature measurement - electrolysis - polishing - temperature measurement - inspection polishing - pressure outsole - painting - Pumping and testing temperature - inspection spray paint - silk screen - packaging - finished product storage.
The newly purchased water bottle kettle has some smell of food grade PP plastic because of the plastic mold opening at the factory. This is the smell of normal new products. For the first time, the odor can be removed by the following method.
1, boiling water to taste
First clean the cup with a neutral detergent, then pour the boiling water into the cup, leave it for two hours, and finally clean the cup.
2, milk to taste
First clean the cup with a neutral detergent, then pour two tablespoons of fresh milk into the cup, tighten the lid, place it for about four hours, and finally clean the cup.
3, orange peel to taste
First clean the cup with a neutral detergent, then put the fresh orange peel into the cup, tighten the lid, leave it for about four hours, and finally clean the cup.