Advantages of the press
Release time:
2022-09-16
Pressing machine Through the drive of high-precision ball screw, precise stamping assembly operation is carried out. In the pressure assembly operation, the whole process closed-loop control of pressing and pressing stretching depth is realized, and the double coordinate curve of pressure and displacement can be formed, which can intuitively show the matching situation of pressure and displacement. So, let's learn about the advantages of the pressing machine.
The pressing machine controls the movement process through software programming, transmits it to the CNC APP application module, drives the movement of the servo motor by the servo driver, and realizes the movement control of the output end through the actuator. After the pressing extrusion, the pressure sensor simulates the analog signal through the deformation feedback, and after amplification and analog-to-digital conversion, it becomes a digital signal output to the PLC to realize pressure monitoring; the servo motor analyzes the feedback position signal from the encoder to realize position monitoring.
Advantages of the pressing machine:
1. The pressing machine has a long service life, pressure numerical control, and the mold will not be worn or damaged due to overload.
2. The equipment structure is very simple, motor-reduction mechanism-braking-working mechanism, low cost.
3. CNC intelligent automation, the operation of the pressing machine is controlled by high-speed computer intelligent CNC, without manual operation, full automation can be realized.
4. Save resources and protect the environment. No permanent magnet rare earth materials are needed, saving precious resources and avoiding environmental damage caused by mining.
5. Through information management, real-time numerical control of process parameters, and real-time feedback of communication networks, information control of product quality and traceability of product quality are realized.
6. Good human-computer interface interaction, the motor is digitally controlled, the user inputs simple displacement and speed parameters, and the intelligent flexible process curve numerical control can be realized, and the user does not need to draw the process curve.
7. Intelligent adjustment, the machine body is equipped with a tonnage meter, which can reduce the mold through pressure control. When slow adjustment and close cooperation, the car is not crowded, no special mold adjustment test equipment and personnel are needed, saving manpower and working hours for mold adjustment.
8. High equipment reliability, the equipment has no wearing parts, the motor rotor has no winding and no conductor, no permanent magnet, higher strength than permanent magnet servo motor, strong and reliable, strong impact resistance, maintenance-free equipment, effective maintenance personnel and maintenance personnel.
Advantages of pressing machine control.
The pressing machine controller is a high-speed data measurement controller independently developed based on industrial control computer, which can be well realized in position control. Apply pressure to the product at a slow and stable feed rate, the motor speed is constant each time, and after eliminating the transmission error, its repeatability is consistent; in pressure control, the weighing sensor of the pressure measuring instrument is used as the feedback element, and effective closed-loop control is carried out at a control speed of 1200 times per second, so that the pressure is within 1% error; pressure can be controlled at any time to stop/correct position stop/IO trigger stop/pressure sudden change stop/pressure holding/automatic correction function, etc., to realize smooth full-process closed-loop control of pressing and pressing depth in pressure assembly operation; the high-speed control performance of the controller by the industrial control computer is unattainable by other PLC-controlled compressors.
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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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