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Author: Site Editor Publish Time: 2023-05-22 Origin: Site
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As we all know, tumbler cup is a type of thermal insulated drinkware product. Nearly all s/s insulated drinkware have similar product structure: double wall stainless steel, with vacuum insulation space between outer s/s shell and inner s/s shell, to isolate the temperature outside, to prevent the heat radiation of drinks inside the container.
So the same as other thermo insulated drinkware, there’re 7 major manufacturing processing for tumbler mugs: 1. hard metal production of outer shell ; 2. hard metal production of inner shell; 3. combine inner and outer shell; 4. vacuumize processing for yeti cup body; 5. polishing inside and outside; 6. Coating decoration and logo printing; 7. Assembly, packing and inspection.
I. Outer shell production:
Pipe making: Fristly, make raw stainless steel roll into stainless steel pipe.
Pipe cutting: Then cut s/s pipe into short pipe with double length of 2 tumblers.
Hydraulic shaping: swelling the cutting pipe into the basic shape by hydraulic shaping machine.
Raw tumbler splitting: as mentioned in 2, there’re 2 tumblers on one swelling pipe. This process is to cut them into 2 outer shells.
After splitting process, next step is to cut off the surplus part on the top of outer shell.
Smoothing the top rim and bottom rim of outer shell, to provide good rim condition for further welding.
Make circle rib on the bottom of outer shell… this circle rib is built for outer base combination.
II. Inner shell production:
Make raw stainless steel roll into stainless steel plate, then cut the steel plate into small round pieces.
Deep drawing process for inner shell: the shaping method for inner shell and outer shell are different. The inner of yeti tumbler is seamless, which is not made by hydraulic swelling. We need to shape the inner shell by deep drawing.
After deep drawing, next step is to cut off surplus part on the top of inner shell.
Smoothing the rim of inner shell mouth, to provide good rim condition for welding.
Copper plating: make copper plating layer on the outer of inner shell. This can make the tumblers with better heat retention performance.