Advantages of a four-column servo hydraulic press
Release time:
2022-06-07
Four-column servo Hydraulic press This is a new generation of environmentally friendly and energy-saving hydraulic press equipment. It features high responsiveness and high control positioning accuracy. In the modern high-speed technology era, it has replaced old hydraulic presses and plays an important role. The hydraulic system mainly uses synchronous AC servo motors instead of asynchronous servo motors on the market. The purpose of hydraulic servo control is achieved.
The control system of the four-column servo hydraulic press equipment adopts a servo voltage system, low noise (40-50db in standby state, 60-70db in normal operation), energy saving (80% load, 1.2 degrees of electricity consumption per hour), PLC for logic control and data acquisition, using a 10-inch high color touch screen to monitor the pressing data in real time, display the curve and save the data, and use an encoder and pressure sensor for displacement detection.
I. Equipment external dimensions and structural form:
1. Equipment structure: Four-column structure, guide bushings use linear bearings.
2. Installation method of weighing sensor: Submerged in the upper worktable.
3. Equipment worktable size: Lower worktable 600*450 (left and right columns * front and back).
4. Upper worktable size: 400*300 (front * side).
5. The maximum working height of the upper and lower worktables is 500mm, and the minimum working height is 100. The cylinder stroke is 400 (all force stroke).
II. Advantages:
1. Energy saving and environmental protection:
Traditional hydraulic presses use asynchronous motors to drive hydraulic pumps. As soon as the hydraulic press starts, the motor will keep running. When idling, the relief valve releases pressure. In this way, when the air compressor is idling, it always consumes electricity and wastes energy. Depending on the different products produced, the idle time of the hydraulic press can be 20%-80%, so the hydraulic press should waste 20%-80% of the electricity. Servo hydraulic presses are different. The hydraulic press uses a synchronous servo motor to drive the hydraulic pump. When the hydraulic press is not turned on, the motor is stationary, does not consume electricity, and does not waste energy. Compared with ordinary hydraulic presses, the use of servo hydraulic presses saves 20%-80% of electricity.
2. Low noise:
The noise of the servo motor is lower than that of ordinary motors. The speed is adjustable, and it is quieter at low speeds.
3. Fast response:
The servo motor has high sensitivity and fast response, and the start-up time is only 0.05 seconds.
4. Low temperature performance:
The Puneng hydraulic press uses an asynchronous motor to drive the hydraulic pump. The motor of the hydraulic press is always running. When idling, the pressure is released by the relief valve. We know that the temperature rise of the hydraulic oil in the hydraulic press is related to the overflow.
The greater the overflow, the higher the oil temperature. Therefore, a cooling system should be used to cool the hydraulic oil through water cooling, air cooling, and refrigerant. The servo hydraulic press has no overflow, so the heat generated is very small and no cooling system is needed.
5. High-precision positioning function:
Ordinary hydraulic presses require precise positioning, only block positioning is possible, and the positioning blocks (nuts) cannot be moved by pressing, so adjusting the position is very inconvenient. The servo hydraulic press can be positioned directly, and the pressure position can be set arbitrarily, which is especially suitable for pressing and other stamping processes.
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