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Hydraulic Press Machine Development Trendency
Hydraulic press is one of the most widely used equipment in product molding production. It has developed rapidly since its inception in the 19th century. The wide adaptability of hydraulic press in work has made it widely used in various sectors of the national economy. As the hydraulic system and the overall structure of the hydraulic press are relatively mature, the current development of hydraulic presses at home and abroad is not only reflected in the control system, but also mainly in high-speed, high-efficiency, and low energy consumption; electro-mechanical and hydraulic integration to make full and reasonable use Advanced technology of machinery and electronics promotes the improvement of the entire hydraulic system;
Automation and intelligence, to realize automatic diagnosis and adjustment of the system, with fault pretreatment function; integration and standardization of hydraulic components to effectively prevent leakage and pollution. As the two major components of the hydraulic press, the main engine and the hydraulic system, due to the maturity of technology development, there is no big gap between domestic and foreign models. The main difference lies in the processing technology and installation. Good craftsmanship makes the machine have obvious improvement in filtering, cooling and preventing shock and vibration. In terms of oil circuit structure design, hydraulic machines at home and abroad tend to be integrated and closed design. Cartridge valves, superimposed valves, and composite components and systems are widely used in hydraulic systems. In particular, integrated blocks can be specialized production, with good quality, reliable performance and shorter design cycles. In recent years, the circuit composed of new hydraulic components developed on the basis of integrated blocks also has its unique advantages. It does not require additional connectors, its structure is more compact, its volume is relatively smaller, and its weight is lighter. No pipe connection is required. Eliminate leakage, vibration and noise caused by oil pipes and joints. Logic cartridge valve has the characteristics of small size, light weight, good sealing performance, low power loss, fast action speed and easy integration. It began to appear in the early 1970s and has been rapidly developed.
In this way, the automated production level of the manufacturer is not high, making it difficult to guarantee the consistency of the product. The quality of raw materials used in the production of hydraulic products in my country is also far behind the advanced countries. For example, cylinder parts, seals, etc. The quality of these original components determines the service life of the hydraulic press. The rigidity, heat resistance and strength of the body are the key factors to ensure the quality of the hydraulic press. In addition, my country's lack of independent development capabilities for seals, the core technology of CNC hydraulics, and lack of innovations with independent intellectual property rights are also important factors hindering the development of my country's hydraulic industry.