In the 15th century AD, humans began to use the mutual rotation of screws and nuts to generate pressure to serve people's life and production needs. The power transmission method has gone through stages such as manual push, friction transmission, and belt/gear transmission. The electric screw press produced by Anduan Intelligent is driven by gears. As a die forging equipment, it takes into account the dual attributes of die forging hammers and die forging presses. It has the advantages of high cost performance, simple structure, convenient use and maintenance, and a wide range of process applications. Compared with friction presses, high-energy screw presses, etc., it has lower noise, shorter transmission chain, higher striking efficiency, and can accurately control its striking energy. It is widely used in forging automotive parts, motorcycle parts, high-speed railway locomotive parts, engineering machinery parts, hardware tools, and aerospace. It is a new type of precision die forging equipment and a replacement product for screw presses.
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In terms of product design, we fully digests and absorbs the electric screw press technology of Germany, Japan and other countries, and combines its own accumulated experience in producing hot forging equipment for many years to develop and produce the J58K series CNC electric screw press, which adopts cutting-edge technology, mature solutions, simple operation, convenient maintenance and high degree of automation.
The main features of Anduan Intelligent Electric Screw Press are introduced as follows:
1. The drive solution of ABB inverter to control AC asynchronous motor is an international general technology, mature, high-end and reliable.
The drive mode is the core key technology of electric screw press. Our company draws on the mainstream electric screw press drive system in the world-that is, the AC asynchronous motor drive solution driven by frequency conversion technology; after long-term operation practice, it has been proved that this solution has many unique advantages:
● The equipment runs stably and has no impact pollution to the power grid;
● Ordinary AC asynchronous motors have low replacement and maintenance costs;
● The output torque is stable and has no fluctuations;
● The operating noise and vibration are smaller.
2. The dual motor gear transmission method is adopted, which has high efficiency and low wear.
● Compared with the single-side motor drive, it can effectively reduce the eccentric wear caused by long-term unilateral force.
● Compared with the structure of the motor rotor and the screw as one, the failure rate is lower and the maintenance is convenient.
● Compared with the belt drive, the transmission efficiency is higher, and the gears are more wear-resistant than the belts.
The structure of the power transmission part is shown in the figure:
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3. The long slider and long guide rail are used for guiding, with high mold clamping accuracy and strong anti-eccentric load capacity.
The electric screw press we produce draws on the design experience of forging hammers and adopts the guiding form of long slider and long guide rail, with high guiding accuracy and strong anti-eccentric load capacity. Practice has proved that this guiding method has good effect and moderate cost.
4. The electric screw press we produce has high efficiency and obvious energy saving.
The screw press mainly relies on the energy of its moving part to do work. The effective energy is an important technical parameter of the screw press, which reflects the striking efficiency and energy saving level of the equipment. Experiments have proved that the energy efficiency of our electric screw press is close to 90%, far exceeding the national standard of 60% for friction presses.
5. The CNC system of the electric screw press we produce has a high degree of automation, simple operation and rich expandable functions.
The control system is the brain of the electric screw press. Anduan Intelligent selects Siemens' more intelligent new generation PLC and develops more efficient intelligent programs on its own. Every instruction such as striking steps, energy control, system lubrication, fault self-diagnosis, etc. can be completed intelligently, quickly and accurately. There are also abundant expansion interfaces reserved, which can be easily connected to infrared safety monitoring, automatic graphite spraying, automatic feeding, etc., making it more convenient to upgrade the automatic forging line.
6. Energy closed-loop control makes each strike more accurate.
The special energy monitoring technology we developed forms a closed-loop control with the drive system, so that the energy of each strike can be used as much as possible to form the forging, avoiding the excess energy from acting on the forging die, thereby greatly improving the life of the die, while reducing the cost of the die and reducing the downtime of changing the die.
6. Anduan intelligent electric screw has higher strength and a long-term allowable load of 1.6 times the nominal pressure.
Anduan intelligent electric screw press fully considers the overload operation of the equipment from the source design. The design of the fuselage, screw and slider has been rigorously calculated and demonstrated, and it has been proven that its long-term allowable load is 1.6 times the nominal pressure. For example, the 1000-ton electric screw press purchased can be used as a 1600-ton press, which greatly improves the capacity range of the equipment.
7. A more friendly human-computer interaction system.
Larger interactive touch screen, more information content display, mobile phone-level screen resolution, more convenient to input or retrieve machine information, and more convenient human-machine interaction.
8. Design, processing, assembly, quality inspection, complete the entire manufacturing process without leaving the factory.
Anduan Intelligent has a strong technical R&D team, with more than 200 general and special equipment such as multiple CNC floor boring and milling machines, CNC machining centers, CNC lathes, etc., and has the ability to independently process all parts such as fuselage, sliders, nuts, screws, flywheels, etc. Quality control to every processing procedure of every part, so that all quality problems disappear in the bud, ensuring that every electric screw press shipped is 100% qualified.
9. Ability to provide fully automatic forging line solutions.
So far, we have provided dozens of fully automatic forging lines to domestic and foreign customers, with rich experience in turnkey engineering design, manufacturing, and installation, so that every investment of the forging factory owner is guaranteed to be zero risk.
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