The popularity of all-electric injection molding machines stems from their superior performance compared to fully hydraulic injection molding machines, primarily manifested in the following ways:
Energy Saving: Energy saving is the biggest advantage of electric injection molding machines. Because servo motors directly drive each actuator according to its required force, efficiency is significantly improved, with energy utilization reaching over 95%. This results in energy savings of 25%-60% compared to fully hydraulic injection molding machines.
Stable Injection Performance: The dynamic technical parameters of fully hydraulic injection molding machines are easily affected by changes in hydraulic oil temperature, leading to fluctuations. In contrast, the dynamic technical parameters of fully electric injection molding machines are largely unaffected by external factors. The mold forming parameters stored in the computer always match the actual forming conditions, resulting in stable injection performance. The rapid response of precise injection molding parameters is truly only achievable with servo motor systems.
High Efficiency: The application of servo motors enhances the system's responsiveness. Taking the ES series all-electric injection molding machine as an example, its molding time is only 1/3 that of a fully hydraulic injection molding machine. Because each actuator in the electric injection molding machine is driven by an independent servo motor and is not affected by the system, it can perform compound actions. For example, it can eject simultaneously during mold opening and close simultaneously during plasticizing, thus greatly improving productivity.
Water saving: Since the all-electric injection molding machine does not use hydraulic oil, it only requires cooling water at the feed port. Therefore, compared with load-sensitive pump hydraulic injection molding machines, cooling water consumption can be reduced by 70%, and compared with ordinary fixed-displacement pump hydraulic injection molding machines, cooling water consumption can be reduced by 90%.
Optimized working environment: Because it does not use hydraulic oil, the working environment can be kept clean, and the machine noise can be more than 10dB lower than that of a fully hydraulic injection molding machine. In addition to optimizing the working environment, the elimination of the hydraulic system also saves 15% of the injection molding machine's floor space.
In summary, all-electric injection molding machines, with their advantages of high speed, high efficiency, and high precision, are more suitable for processing high-value-added products such as electronics, electrical appliances, and electronic components. They are particularly advantageous for injection molding small parts, demonstrating their high-performance and high-precision capabilities.
Compared to all-hydraulic injection molding machines, all-electric injection molding machines offer many other advantages:
Energy savings and reduced production costs. Because each movement of an electric injection molding machine is controlled by a corresponding servo motor, other control motors do not need to operate during a particular production action, thus significantly reducing power consumption.
Generally, the power consumption of an all-electric injection molding machine is only 1/3 to 1/4 that of an all-hydraulic injection molding machine. Furthermore, since all-electric injection molding machines do not use hydraulic oil, the cooling process for the working oil is eliminated, significantly reducing the use of cooling water. This can greatly reduce production costs for manufacturers.
The high responsiveness and stability of production motion control are achieved because all actions in the production process of a fully electric injection molding machine are driven by servo motors. This results in fast speed and high precision. Furthermore, the absence of hydraulic oil means that process parameters are unaffected by oil temperature fluctuations, leading to high stability during production.
The low noise characteristic of fully electric injection molding machines not only benefits workers but also reduces the investment costs for building soundproof production workshops.
It ensures a clean and safe working environment. Since fully electric injection molding machines do not use hydraulic oil, there is no environmental pollution caused by mechanical oil leaks, and the possibility of fire is significantly reduced.
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