The manufacturing process of the aluminum kettle is mainly made of a whole piece of metal sheet through one-time stamping. Aluminum kettles are popular in outdoor sports, camping and daily life because of their light weight, fast heat conduction and affordable price. And its manufacturing process is the key to determining the performance, safety and service life of the product. The following are the detailed steps and characteristics of aluminum kettle manufacturing:
Material selection:
Aluminum kettles mainly use high-purity aluminum metal sheets as raw materials. This kind of aluminum is not only light in weight and ductile, but also has excellent thermal conductivity and corrosion resistance, which is very suitable for daily water-boiling utensils. Compared with stainless steel, aluminum is more machinable and suitable for one-time stamping process.
Stamping:
One-time stamping: The most notable manufacturing feature of aluminum kettles is the overall seamless structure. This is usually done through a one-time deep stamping process to press the metal sheet into the shape of the kettle. This process makes the kettle without seams, the overall structure is strong and light to the touch.
Internal coating:
Coating function: In order to isolate the aluminum metal from direct contact with water and prevent chemical reactions, a layer of coating is usually applied to the inside of the aluminum kettle.
Coating material: The coating material is mostly chemical substances, one of which is BPA. This coating can effectively ensure that it will not easily react chemically with water during the boiling process.
Quality inspection:
During the manufacturing process, the aluminum kettle will be quality inspected to ensure that the kettle has no defects and the coating evenly covers the inside.
Product packaging:
After passing the quality inspection, the aluminum kettle will be packaged and prepared for sale.
Note: When buying an aluminum kettle, consumers should carefully identify whether the kettle has a coating. You can touch it to feel whether it has a glue-like feel, or check the product description. It is not recommended to buy aluminum kettles without coating or uneven coating, because such kettles may react chemically with water during use, affecting water quality safety.