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Energy-saving injection molding machine becomes the mainstream of product innovation
In order to enhance energy efficiency in injection molding machines, often referred to as "electric tigers," major manufacturers have been actively exploring and implementing new energy-saving technologies. As a result, energy-efficient injection molding machines have become a central focus in product innovation within the industry.
Driven by continuous R&D efforts, the market has seen the emergence of various advanced products. Among them, the all-electric injection molding machine stands out as a technological breakthrough. It operates at low speeds during pressure holding, cooling, and idle phases, which helps reduce both energy consumption and noise levels. However, one drawback is its relatively shorter service life compared to traditional models.
Another significant development is the electric-hydraulic injection molding machine, which integrates hydraulic pressure with electric drive systems. This hybrid approach challenges the traditional hydraulic injection molding market by combining the high performance of fully hydraulic machines with the energy-saving benefits of electric systems. It improves the efficiency of the power drive system, reduces energy loss, and accelerates the adoption of energy-saving technologies in hydraulic injection molding machines.
In addition to design improvements, innovation in the core principles of energy-saving injection molding also plays a crucial role in advancing the industry. For instance, Ningbo Haihang Plastic Machinery Manufacturing Co., Ltd. has introduced a large-scale energy-saving injection molding principle that uses low-pressure, high-speed external heat flow for large parts. They developed a 50-kg ultra-large energy-saving injection molding machine, which features a hydraulic power system with a loading power of just 37 kW—only 1/7 to 1/6 of the power required by conventional horizontal injection molding machines of the same specification. The total load power of the entire machine is only 192 kW, demonstrating a significant leap in energy efficiency.
These advancements not only reflect the industry's commitment to sustainability but also highlight how innovation can reshape manufacturing processes while reducing environmental impact.