Abstract
High-speed punching presses are widely applied in modern manufacture industry, especially in occasions of automatic production with a large or a super large quality. To obtain a better production efficiency and a wilder application in industries, it is meaningful to develop the high-speed punching presses with a large press force and a long press stroke. Considering the limitations of mechanical and servo high-speed punching presses, hydraulic technology is the most possible way to develop the high-speed punching press with a large press force and a long press stroke so far. This article has proposed a hydraulic operating principle based on the hydraulic vibration technology for the development of the high-speed punching press with a press force of 1250 kN, a press stroke of 50 mm, and a press velocity of 1000 hpm. With a simulation model built under the AMESim environment, performances of the system are obtained and analyzed. Then, parameter optimization is also carried out and discussed. Finally, the operating principle and the parameters are refined. The obtained results have proved that the design meets the aimed performances of the high-speed punching press.
Highlights
High-speed punching presses are one of the important machines in modern manufacture industry
Press force refers to the force acting on the workpiece during the press forming, press stroke refers to the displacement which the punching press can achieve, and press velocity refers to the number of press cycles that the punching press can achieve in a unit time, which is usually counted in a minute and obtain a unit of hits per minute
A large press force makes it possible to produce more workpieces in one press forming, while it is much evident in the relationship between the press velocity and the production efficiency
Summary
High-speed punching presses are one of the important machines in modern manufacture industry. The authors choose the hydraulic vibration system as the operation principle of the high-speed punching press with a large press force and a long press stroke.
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