What Are The Quality Control Points Of 3003 Battery Case Aluminum Coil For New Energy Vehicles?

The quality control points of the power battery shell aluminum coil mainly include the following specific content:

Aluminum coil chemical composition control: through the means of laboratory testing, the chemical composition of aluminum coil to ensure that it meets the requirements of the relevant standards. Specifically, the manganese content of 3003 aluminum alloy should be between 0.8% and 1.5%.

Surface quality control of aluminum coil: visual inspection of the surface of the aluminum coil, does not allow the existence of cracks, peeling, corrosion and bubbles and other defects. At the same time, it should also ensure that the surface of the aluminum coil is smooth and clean.

Dimensional accuracy control of aluminum coil: measure the thickness, width and other parameters of aluminum coil to ensure that it meets the design requirements.

Mechanical properties control of aluminum coil: through tensile test and other means, the tensile strength, yield strength, elongation and other mechanical properties of the aluminum coil are tested to ensure that it meets the requirements of the relevant standards.
Quality control in the production process: in the production process, the production equipment should be regularly inspected and maintained to ensure normal operation of the equipment. At the same time, the aluminum coils in the production process should be sampling, and problems should be found and dealt with in time.

Establishment and operation of quality management system: establish a perfect quality management system, clarify the responsibilities and obligations of each position, and ensure the effective implementation of various quality control measures.

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