Hydraulic press safety operating procedure
Release time:
2015-08-27
1. Hydraulic press operators must receive training and master the equipment's performance and operating techniques before working independently.
2. Before operation, clean all debris from the mold and wipe clean any dirt on the hydraulic press rod.
3. Installing the mold on the hydraulic press must be done with the power off. Avoid accidentally pressing the start button, handle, or foot pedal.
4. Install the upper and lower molds, ensuring they are centered and the gap is adjusted correctly. Do not allow one side to deviate from the center. Secure the mold before testing the pressure.
5. Before operating the hydraulic press, start the equipment and run it idle for 5 minutes. Simultaneously, check if the oil level in the tank is sufficient, if the pump sound is normal, and if there are any leaks in the hydraulic unit, pipes, joints, or piston.
6. Start the equipment and test the pressure, checking if the pressure reaches the working pressure, if the equipment operates normally and reliably, and if there are any leaks.
7. Adjust the working pressure, but it should not exceed 90% of the equipment's rated pressure. Test press one workpiece; after inspection, proceed with production.
8. For different hydraulic press materials and workpieces, during pressing and correction, adjust the press's working pressure, pressing, and pressure holding times as needed, ensuring that the mold and workpiece are not damaged.
9. When the machine body press plate is moving up and down, strictly prohibit inserting hands and head into the press plate and mold working area.
10. Strictly prohibit knocking, pulling, welding, pressing, bending, or twisting during pressurization.
11. No smoking, welding, or open flames are allowed around the hydraulic press. Flammable and explosive materials must not be stored nearby. Implement fire prevention measures.
12. After the hydraulic press operation is complete, cut off the power, wipe the hydraulic press column rod clean, add lubricating oil, clean and neatly arrange the mold and workpiece.
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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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