Advantages of asynchronous servo energy saving injection molding machine energy-saving advantages of the system, saving servo system: super energy-saving: Compared to using a metering pump hydraulic system, energy savings of 40-80%. High stability: Due to the pressure and flow loop system, significantly improve system stability, under normal circumstances, repeatability product weight can be controlled at 0.3 percent, after the customer using the servo system, product qualification rate, the original class need to adjust the machine phenomenon no parameters, technicians can make time to study some more innovation, efficiency and other aspects of things. High Precision: Because of inertia servo motor is extremely small, fast system response, up to 50ms, the need for precision injection molding process easier to adjust to meet the requirements. Low noise: the servo system relative quantification pump system, significantly reducing noise, change the work environment more environmentally friendly. Low oil: fever was significantly reduced due to the system itself, even without the use of cooling water, but also make the oil temperature is maintained at a lower temperature, prolong the service life of hydraulic oil and hydraulic fittings. Low investment and high return: Under normal circumstances, equipment investment can be recovered in 6-12 months (with some differences according to product technology and regional price). Super energy-saving: Compared with traditional quantitative pump with variable pump system, servo pump control system combines the fast variable speed servo motor characteristics and hydraulic pump hydraulic characteristics of self-regulation, a huge potential for energy saving, compared to quantitative pump energy saving of 40% -80% higher stability: a position repeatability: fast response times to protect the open mold precision plastic injection end position accuracy can reach 0.1mm: with precision molds, injection molding can achieve 0.3% accuracy. 2, the pressure control precision: high precision, high response of the PID algorithm module enables the system pressure is very stable, the pressure fluctuations of less than ± 0.5bar, compared to conventional hydraulic machine pass rate showed greater stability of injection molded products, a substantial increase. High Precision: Because of inertia servo motor is extremely small, fast system response, up to 50ms, the need for precision injection molding process easier to adjust to meet the requirements. Low noise: screw pump is equipped with a low-noise servo energy saving injection molding machine, in excellent PID control algorithm module, the noise significantly lower than among ordinary injection molding machines, to achieve quiet operation, improve the working environment. Low oil: fever was significantly reduced due to the system itself, even without the use of cooling water, but also make the oil temperature is maintained at a lower temperature, prolong the service life of hydraulic oil and hydraulic fittings. Low investment and high return: Under normal circumstances, equipment investment can be recovered in 6-12 months (with some differences according to product technology and regional price). Injection molding machine servo Energy Saver, energy-saving injection molding machines, injection molding machines inverters, servo frequency energy device: a high consumption of traditional injection molding machine Disadvantages: Most of the hydraulic system is currently molding machine for dosing pumps, which pump motor at a constant speed to provide constant flow, the excess hydraulic fluid through the relief valve reflux, this process is called high pressure throttling. high pressure throttling efficiency is generally 40% to 65%, the energy loss as much as 45% to 75%. At the same time, since the hydraulic Oil-term full circulation, and hydraulic parts, mechanical parts severe friction, causing high oil temperature, excessive noise, mechanical life shortening phenomenon Second, the design principle of injection molding machine dedicated AC servo system: is based on the injection molding machine pressure and velocity parameters required to run at specific process designed to control, after the program optimized for rapid pressure rise, precise control, repeat positioning accuracy. Compared with conventional hydraulic control, energy saving, high efficiency, low waste characteristics, power levels from 7.5KW to 55KW optional. 4000 to meet the maximum tonnage injection molding machines, in the peer is unique. Third, the composition of the servo control system: servo system by servo controller, servo motors, pumps, encoders, pressure sensors and other components, four, transformation and working principle: the original into the injection molding machine, remove the tubing, turn fitted to the pump on the servo control system to the original post on the motor to change the power cord directly to the servo controller series, while taking pressure injection molding machine, the traffic signal. using a permanent magnet to generate a magnetic field is also compared with electromagnetic or more efficient inductor generates a magnetic field, as to avoid the loss of the coil and the eddy current loss. Servo motor speed from 0rpm to 2000rpm, only 0.05 seconds. Thus, with variable speed servo motor to drive the pump, than the normal use of the motor faster. Servo motor becomes a generator during braking, the drive brake resistor, while the kinetic energy into heat in the braking resistor, distributed in the atmosphere. Some injection molding factory uses in its all-electric energy storage battery to absorb the kinetic energy of braking, then release the drive motor. This fully embodies the energy saving qualities: the use of additional equipment to save (in this case should be referred to as recycling) energy. That is popular to say: Under normal circumstances, the servo motor under the same power consumption, can produce the equivalent of three times more common motor power output, which is less than a third of the electricity used to achieve the same purpose motor power output. 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