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Introduction to Knowledge Points of Internal High Pressure
Release time:
2022-11-01
Within the high pressure we can see from its name that this product is used to do, this product is also after continuous improvement of the function of more and more, in order to let more people familiar with it, the next small series for everyone to introduce what is within the high pressure.
Internal high pressureWe can see from its name that this product is used to do, this product is also after continuous improvement of the function more and more, in order to let more people familiar with it, the next small series for everyone to introduce what is the high pressure.
Internal high pressure forming, also known as hydroforming or hydroforming, is a material forming process that uses liquid as forming medium and achieves the purpose of forming hollow parts by controlling internal pressure and material flow. At present, the internal high-pressure forming process and equipment are mainly designed and manufactured by some large equipment manufacturers in Europe and Japan, such as Schuler, SPS, APT, Kawasaki Oil Factory, Opton, etc., while China is in the initial stage. Harbin Institute of Technology Technology, China First Heavy Industry, Qiqihar Second Machine Tool, Hefei Forging and Pressing and other companies have started the research and design of internal high-pressure forming equipment and technology. In order to meet the special requirements of the process, the internal high-pressure molding production line usually requires professional design and development. Its development trend is large-scale, automation, flexibility and intelligence. Ultra-high voltage device and servo control system will become the core technology and research of equipment development. Difficult.
Internal high pressure forming is an advanced manufacturing technology for manufacturing hollow integral components. It takes pipeline as blank and oil as pressure transmission medium. An axial thrust is applied to both ends of the tube blank while an ultra-high pressure is applied to the tube. Complement.
Due to the joint action of the two external forces, the tube blank undergoes plastic deformation and finally fits with the inner wall of the mold cavity, making the tube blank a modern plastic processing technology with three-dimensional shape parts. According to the forming characteristics of the tube blank, the parts are divided into forming area and feeding area. The forming zone is the part where the plastic deformation diameter of the tube blank changes; the feeding zone is the part that feeds the forming zone.Internal high pressureWhen molding, the pipe end seal is pressed by the punch and the mold to form a rigid seal, so the mold is easy to wear, and the mold seal part is usually used to improve the life of the mold. After the parts are formed, the subsequent slotting, punching and other processes are completed by the auxiliary hydraulic cylinder in the mold. Then the oil pressure is discharged, the axial punch returns, and the hydraulic press slides upward to remove the parts.
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