Precision stamping parts are manufactured through a series of stamping processes such as stamping, extrusion, rolling, welding, cutting, etc., which are difficult to manufacture. In order to meet production requirements and achieve good product forming results, for precision stamping parts The stamping materials have higher requirements. So what conditions should the stamping materials of precision stamping parts have?
1. Stamping performance required for stamping materials of precision stamping parts
1. Stamping materials should be easy to obtain high-quality and high-precision precision stamping parts, which is convenient for production and processing.
2. The limit deformation degree and total limit deformation degree of one stamping process of stamping material should be large enough to improve production efficiency.
3. The loss and wear of stamping materials to precision stamping parts and precision stamping dies are low, and it is not easy to produce waste products, which is convenient to increase production.
Second, the process requirements that the stamping material of precision stamping parts should meet
1. The thickness tolerance of the stamping material should meet the national standard: different die gaps 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 stamping parts, but may also cause damage to the die or press.
2. The stamping material has a high surface quality: the surface of the stamping material is clean and flat, free from defects such as oxide skin, cracks, rust spots, scratches, and delamination. The material with good surface condition is not easy to be broken during processing, and it is not easy to scratch the mold, and the surface quality of the obtained stamping part is also good.
3. Stamping materials should have good plasticity: stamping materials should have high elongation and section shrinkage, low yield and high tensile strength, high plasticity, and large degree of deformation, which is beneficial to The stability of the stamping process and the uniformity of deformation improve the dimensional accuracy of precision stamping parts.
4. Stamping materials should have good adaptability to mechanical joining and continued processing (such as welding, polishing and other processes), and should not damage mechanical equipment.
The stamping material of precision stamping parts is related to the performance and quality of the stamping parts. The selection of stamping materials needs to meet the above relevant conditions and meet the production requirements.
High-speed precision stamping equipment is a general term for automatic peripheral equipment and testing equipment including high-speed presses and high-speed presses. High-speed presses are used for high-speed stamping of precision parts, which require high precision, so they are also called high-speed precision presses. With the development of the industry, the demand for functional stamping parts (stator and rotor silicon steel sheet stamping parts for micro motors, stator and rotor silicon steel sheet stamping parts for industrial motors, small transformer silicon steel sheets, easy-open covers, lead frames, connectors, etc.) Increase, promote the continuous improvement of the stamping efficiency of the press, and the application of high-speed presses has gradually been promoted. press.
The high-speed press needs to form an automatic stamping line together with the material rack, material leveling machine, feeder, mold and waste recycling device to complete the stamping work, which requires the high-speed press to be mechanically and electrical. Monitoring and control of stamping process (production count, material state, material thickness, feed line height, stamping force, stamping speed, stroke, bottom dead center position, pneumatic system pressure, lubricating system temperature and flow, etc.).
The automation peripheral equipment mainly includes: material rack, cutting and welding machine, leveling machine, feeder, three-in-one material rack leveling feeder, oil feeder, negative pressure waste suction device, and material receiving device. The testing equipment includes bottom dead center detector, waste raising detector, testing device and so on. Automated peripheral equipment and presses together form an automated stamping line. The use of automated stamping line production methods can reduce product costs, improve labor productivity, product accuracy, material utilization, and production safety. At the same time, it saves space and saves semi-finished products. Inventory is easy to manage, thereby improving the competitiveness of production enterprises. Therefore, it is widely used in industries such as micro-motors, micro-electronics, automobiles and home appliances.