Precision stamping parts are suitable for materials of different thicknesses.

Precision stamped parts are manufactured through a series of stamping processes including stamping, extrusion, rolling, welding, and cutting. Their manufacturing is quite challenging, and to meet production requirements and achieve good product forming results, the stamping materials for precision stamped parts have high requirements. So, what conditions should stamping materials for precision stamped parts meet?

I. Stamping Performance Requirements for Precision Stamping Materials

1. The stamping material should easily produce high-quality and high-precision stamped parts, facilitating production and processing.

2. The ultimate deformation degree and total ultimate deformation degree of the stamping material in a single stamping process should be sufficiently large to improve production efficiency.

3. The stamping material should cause low wear and tear on precision stamped parts and precision stamping dies, and should not easily produce scrap, facilitating increased output.

II. Process Requirements for Precision Stamping Materials

1. The thickness tolerance of the stamping material should conform to national standards: Different die clearances are suitable for materials of different thicknesses. If the thickness tolerance of the material is too large, it will not only directly affect the quality of the stamped parts but may also lead to damage to the die or press. 2. The stamping material should have high surface quality: The stamping material surface should be clean and smooth, free from defects such as oxide scale, cracks, rust spots, scratches, and delamination. Materials with good surface condition are less prone to breakage during processing and less likely to scratch the die, resulting in stamped parts with better surface quality.

3. The stamping material should have good plasticity: The stamping material should have high elongation and reduction of area, low yield strength, and high tensile strength. High plasticity and a large degree of deformation are beneficial to the stability and uniformity of the stamping process, improving the dimensional accuracy of precision stamped parts.

4. The stamping material should have good adaptability to mechanical joining and further processing (such as welding and polishing) and should not damage the machinery.

The stamping material for precision stamped parts directly affects the performance and quality of the stamped parts. Therefore, the selection of stamping materials must meet the above-mentioned conditions and satisfy production requirements.

High-speed precision stamping equipment is a general term encompassing high-speed presses and their associated automated peripheral equipment and testing equipment. High-speed presses are used for high-speed stamping of precision parts, requiring high accuracy; hence, they are also called high-speed precision presses. With industrial development, the demand for functional stamped parts (stamped silicon steel sheets for micro-motors, stamped silicon steel sheets for industrial motors, silicon steel sheets for small transformers, easy-open covers, lead frames, connectors, etc.) is increasing, prompting continuous improvement in the stamping efficiency of presses. The application of high-speed presses is gradually being promoted. The high-speed press mentioned in this article refers to a press capable of meeting the high speed requirements (stamping speed or feeding speed) of multi-station progressive dies.

High-speed presses need to be integrated with material racks, material levelers, feeders, dies, and scrap recycling devices to form an automated stamping line to complete the stamping work. This requires high-speed presses to be mechanically and electrically compatible with peripheral equipment to monitor and control the stamping process (production counting, material condition, material thickness, feed line height, stamping force, press speed, stroke, bottom dead center position, pneumatic system pressure, lubrication system temperature and flow rate, etc.).

The main automated peripheral equipment includes: material racks, cutting and welding machines, leveling machines, feeders, three-in-one material rack leveling and feeding machines, oilers, negative pressure waste suction devices, and material receiving devices. Testing equipment includes bottom dead center detectors, waste material adjustment detectors, and other testing devices. These automated peripheral equipment and presses together form an automated stamping line. Using automated stamping lines can reduce product costs, improve labor productivity, product precision, material utilization, and production safety. It also saves floor space, eliminates semi-finished product inventory, and facilitates management, thereby enhancing the competitiveness of manufacturing enterprises. Therefore, it is widely used in industries such as micro-motors, microelectronics, automobiles, and home appliances.