What is a servo press?
Release time:
2021-07-15
Servo presses are driven by the servo motor of a hydraulic press, replacing the ordinary motor of a mechanical press with a servo motor. The slide movement curve of the servo press can be set according to the stamping process and the stroke can be adjusted. Stamping is mainly suitable for high-precision forming of difficult-to-form materials and complex-shaped parts. Stamping efficiency is high, reducing enterprise production costs and saving energy.
Therefore, the hybrid drive method has always been a direction for the development of presses. This is to break through the limitations of servo motors, using differential wheels to achieve hybrid input of ordinary motors and servo motors, and using a 2-degree-of-freedom loading system to achieve hybrid 2-split impulse.
Servo presses have high versatility, flexibility, and intelligence. Through servo functions, the slide's movement curve is not only a sine curve but can also be any curve optimized according to process requirements.
Because a linear grating scale is used to detect the slide position, the slide has high motion control accuracy throughout the press's movement, so the polishing height of the press is stable in production and product deviation does not occur.
Servo presses have high productivity. Servo presses retain the advantages of crankshaft presses, so their production efficiency is much higher than that of hydraulic presses. Servo motor-driven crankshaft presses can also adjust the sliding stroke through the workpiece. Without a 360-degree periodic rotation, stamping can be performed by simply rocking a certain angle.
Servo presses have multiple functions and are suitable for various processes such as stamping, punching, bending, flanging, and shallow drawing, so they are used in many industries.
AC servo presses have good versatility, flexibility, and intelligence. The servo function allows the slide movement curve to not only be a sine curve but also any curve optimized according to process requirements, thereby improving the press's processing performance and expanding the processing range.
Because the slide position is controlled as a fully closed loop using a linear grating scale, the slide has high motion control accuracy. Even with offsets, the accuracy of the slide can always be ensured to be changed to the micrometer level. The polishing height of the press is stable during production, preventing burrs on products and preventing defective products from being produced.
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2023-05-12
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.
2015-08-25
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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