Structure and application of a high-speed hydraulic press
Release time:
2022-06-17
Fast Hydraulic Press Widely used for trimming, deburring, and shaping metal castings such as aluminum alloy, magnesium alloy, and zinc alloy, including various automotive parts, hardware tools, motor housings, and household appliance castings. Based on the original die-casting trimming machine, improvements and upgrades have been made according to the process requirements of die-casting and hardware trimming, as well as safety protection against personal injury. The new fast hydraulic press has a safety grating protection function and a device slider anti-drop device, which can effectively protect the operational safety of operators and reduce the possibility of manual crushing injuries.
Structure of the Fast Hydraulic Press:
1. This series of hydraulic presses uses liquid pressure of 2-20mpa as the power source, with an external three-phase AC380V 50Hz or two-phase AC220 60Hz AC power supply.
2. This series of equipment uses liquid as the medium to transmit energy, adopting an advanced distributed pump hydraulic circuit. The oil temperature is low, the idle stroke speed is greater than 150mm/s, and the working speed is less than 30mm/s.
3. When the equipment is in standby, fast sliding, and up and down movement, the noise shall not exceed 75dB.
4. It adopts a four-column three-plate structure. The vertical accuracy of the moving plate is controlled by four precision guide bushings. The parallelism between any point on the lower working surface and the upper working surface is less than 0.1mm.
5. The press is equipped with a waste material blowing component, and a waste material discharge slot is opened in the center of the lower worktable.
6. The lower stop point position of the punch is generally controlled by a pressure switch and a position sensor.
7. It has an automatic counting function and two control modes: automatic and semi-automatic. The press-fitting mold can be manually stopped at any stroke range. It is equipped with an emergency pick-up button and an infrared hand protection device.
8. Pressure, stroke, punching speed, air blowing time, and closing height can be adjusted by the user for easy operation;
9. The hydraulic system is built into the bottom of the oil tank, with a clean and stable appearance.
Main Uses of the Fast Hydraulic Press:
1. Used for rough edge punching and forming of various aluminum and magnesium alloy die castings, and integral cutting of plastic products;
2. Suitable for plastic molding, such as blanking and stretching of plates.
3. Used for trimming, deburring, and shaping metal castings such as aluminum alloy, magnesium alloy, and zinc alloy.
4. Especially suitable for aluminum product punching, die-casting nozzle punching, mobile phone shell molding, mobile phone silicone key trimming, silicon steel sheet leveling, and burr processing of plastic and rubber products, such as various automotive parts, hardware tools, die-casting trimming and forming processing of auto parts, motor housings, household appliances, etc.
The fast hydraulic press adopts a four-column three-beam structure. The middle plate is a Xin Taiming movable slide rod, and the two side guide columns are connected to the upper and lower worktables with 60mm Colin chrome-plated rods. The moving plate is guided by two measuring guide columns with linear bearings, which can effectively ensure the verticality and parallelism of the moving worktable and the lower worktable, making the parallelism of the moving plate and the lower worktable reach within 0.10mm. It adopts an advanced divided cylinder and main cylinder hydraulic circuit, and the hydraulic series adopts a bidirectional plug-in valve; the electrical control system can be equipped with a "PC" programmable controller and independent electrical and hydraulic power units. It adopts centralized button control to achieve adjustment, manual, and semi-automatic operation.
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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.
2014-04-29
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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