Structural introduction of a 500-ton hot forging machine
Release time:
2021-12-24
A hot forging machine is a special forging press suitable for free forging and closed die forging of metal materials. It has functions such as high-speed forging, top forging, and compression, and can meet the forging process requirements of upsetting, stretching, stamping, expanding, bending, and error correction. Below, we introduce the structure of a cost-effective 500-ton hot forging machine.
The 500-ton hot forging machine adopts a three-beam four-column structure, mainly composed of the machine body, oil tank, movable worktable, hydraulic transmission system, electrical control system, and lubrication system. This four-column hydraulic press has independent power and electrical systems. The hydraulic system uses advanced Eaton cartridge valve control technology, effectively solving the hydraulic control problems of large flow rate, high speed, and pressure relief in forging hydraulic presses.
The electrical control system uses a "PLC" programmable controller, improving the reliability of the electrical control system. It can accurately control the speed, pressure, and pressure level of the forging hydraulic press and can easily achieve chain control of the forging hydraulic press and auxiliary equipment. This four-column hydraulic press can be equipped with a movable worktable, making it convenient for users to change molds. The working pressure and moving range of the machine can be adjusted according to process requirements.
The 500-ton hot forging machine is customized according to customer requirements. It is a servo CNC hydraulic press, equipped with a replaceable moving table, making material collection convenient. This machine is used for the forming of iron powder and the hot pressing of metal parts. It features fast working speed with automatic mold spraying and lubrication systems. The hydraulic system uses an electro-hydraulic proportional servo system, with high pressure accuracy and positional accuracy, meeting the needs of different processes for hydraulic presses.
What are the advantages of a hot forging machine?
High productivity, generally no auxiliary equipment such as trimming, compensation, and finishing is needed. Using a horizontal split flat forging machine, it is easy to operate, and mechanization and automation are easy to achieve.
Higher requirements for the size of the billet; generally, high-precision hot-rolled steel or cold-rolled steel is used. Otherwise, the die will not clamp the billet tightly, or large longitudinal burrs will appear between the dies. The scale in the die is not easy to remove, so heating with as little oxidation or no oxidation as possible is adopted.
Due to the processing characteristics of the flat forging machine, the body structure of the flat forging machine is semi-open. The semi-open design can minimize material waste, increase production processing speed, and improve production efficiency. In addition, the forgings produced are also different from those of horizontal split flat forging machines and vertical flat forging machines due to different working methods.
Characteristics of the hot forging machine:
The hydraulic system has automatic protection devices such as multi-level overload protection, oil temperature alarm, and oil level alarm protection. The electrical system uses mature PLC control to ensure the safety of equipment and operators. The pressure working cylinder simultaneously supplies a large-capacity flow charging valve and oil tank, realizing fast charging, oil replenishment, and oil recovery during rising, saving auxiliary time for short seeking and improving forging efficiency. A stable cooling circulation system is installed on the equipment, which can stably control the temperature rise and ensure the safe and stable operation of the system.
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What are the characteristics of a hydraulic press?
CNC hydraulic oil pumps generally use internal gear pumps, while traditional hydraulic presses generally use axial piston pumps. At the same flow rate and pressure, the noise of an internal gear pump is 5 dB to 10 dB lower than that of an axial piston pump. The motor of a CNC hydraulic press runs at rated speed during pressing and return, and its noise emission is 5 dB to 10 dB lower than that of a traditional hydraulic press. When the slider rapidly descends and is stationary, the servo motor speed is 0, so the CNC hydraulic press has essentially no noise emission.
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Application scope and system selection of small hydraulic presses
Suitable applications for small hydraulic presses include: 1. Punching various silicone and plastic buttons for mobile phones or remote controls, and cutting plastic products; 2. Cutting various protective films for mobile phones, digital cameras, and laptop LCD screens, as well as precision cutting and halving of various pressure-sensitive adhesives and trademarks; 3. Embossing, forming, etc., of various PV, PE, PC and other thin-film switches and panels; 4. Pressing and forming various flexible circuit lines for laptop keyboards, etc. Small hydraulic presses use original Taiwanese or Japanese parts for the hydraulic power system, resulting in fewer malfunctions, high efficiency, low noise, low horsepower requirements, easy maintenance, and convenient adjustment of output, speed, and stroke.
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Technology Daily (Reporter Shi Junbin, Correspondent Jiao Yue) Recently, a 19,500-ton free forging hydraulic press and a 300-ton/750-ton-meter full hydraulic forging manipulator, independently developed by China Heavy Industry Corporation, successfully completed their first hot load test run in Jiangyin, Jiangsu Province. This marks the completion of the world's largest tonnage free forging hydraulic press and the world's largest clamping force/clamping torque full hydraulic forging manipulator currently in operation, achieving a globally advanced level of overall equipment installation. The 19,500-ton free forging hydraulic press adopts a three-beam, four-column, three-cylinder, top-drive, press-insert, full pre-stressed frame structure. Both the upper and lower beams use pre-stressed composite beams. The maximum forging capacity can reach 4
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