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SHEET METAL

Sheet metal working is a comprehensive cold processing technique for metal sheets (usually less than 6mm), including cutting, punching / cutting / compounding, folding, riveting, splicing, forming (such as car bodies), etc.
Sheet metal has a wide range of application fields. In the manufacturing industry, such as automotive manufacturing, sheet metal is used for the processing and repair of car body shells and components; in the electronic equipment industry, it is used for the production of chassis and cabinets; in furniture manufacturing, some metal parts are also made using sheet metal technology.
Sheet metal processing has many advantages. It can quickly and accurately process metal sheets into various complex shapes and structures according to design requirements. Moreover, through reasonable design and technology, sheet metal products can have high strength and stability.
For example, the door and cabinet frame of an exquisite stainless steel cabinet are often made through sheet metal technology, which is both beautiful and durable. Another example is that some components of aircraft also rely on sheet metal technology to ensure their high precision and high strength requirements.
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How to ensure the quality of components in sheet metal processing?


In sheet metal processing, ensuring the quality of components can start from the following aspects:


  1. Selection of raw materials:
    Choose metal sheet materials that meet standards and quality requirements, considering performance indicators such as strength, hardness, and ductility of the materials. For example, for components that bear large loads, high-strength plates should be selected.
    Conduct strict quality inspections on raw materials, including appearance inspection, chemical composition analysis, mechanical property tests, etc., to ensure that the materials have no defects, impurities, and performance deviations.

  2. Precise design and process planning:
    Design a reasonable component structure, avoiding complex shapes and excessive processing procedures to reduce processing difficulties and possible quality problems.
    Formulate a detailed processing technology plan, including the parameters and sequence of processes such as cutting, stamping, and bending, to ensure the rationality and stability of the process.

  3. Advanced processing equipment and tools:
    Invest and use high-precision and high-performance sheet metal processing equipment, such as CNC punching machines, laser cutting machines, bending machines, etc., to improve processing accuracy and efficiency.
    Regularly maintain and calibrate the equipment to ensure the normal operation and processing accuracy of the equipment.

  4. Strict process control:
    After each processing procedure, conduct quality inspections to promptly discover and correct non-conforming products. For example, check the dimensional accuracy and edge quality after cutting, and check the angle and bending radius after bending.
    Set quality control points for key processes for key monitoring and inspection.

  5. Skills and training of operators:
    Ensure that operators have proficient skills and rich experience, and can operate equipment correctly and implement process requirements.
    Regularly train operators to keep them informed of the latest process technologies and quality standards and improve their quality awareness.

  6. Surface treatment and protection:
    Choose appropriate surface treatment methods, such as painting, electroplating, oxidation, etc., to improve the corrosion resistance and appearance quality of components.
    Ensure that the quality of surface treatment meets relevant standards and requirements.

  7. Quality inspection and testing:
    Adopt advanced inspection equipment and tools, such as three-coordinate measuring machines, hardness testers, flaw detectors, etc., to conduct comprehensive dimensional, shape, and performance inspections of components.
    Carry out necessary reliability tests and environmental adaptability tests to ensure the quality and performance of components in actual use.



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Dongguan Minghao Hardware was established in 2006, located in Xintang Industrial Park, Dalingshan, Dongguan, Guangdong Province. The transportation here is convenient and the environment is pleasant.
Since its inception, it has been working silently in the hardware field, constantly exploring and accumulating. In the early stage of development, the company faced many severe challenges. Even in such a difficult situation, with a firm and unwavering belief and persistent efforts, step by step, the company gradually gained a firm root in the industry.

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