The Advantages and Disadvantages of the New Gear Pump and Its Development Trend

In recent years, as people's awareness of environmental protection and energy conservation gradually increased, people also gradually need high-precision, high standard gear pump. As the early gear pump hydraulic type, can not meet the needs of the mature use of electrical and mechanical. However, the new electric-hydraulic gear pump is a combination of hydraulic and electric drive in one of the new gear pump, not only to meet the high-precision machining, but also has unique advantages in environmental protection and energy saving, the development of the new gear pump is extremely impressive of. Advantages of the new gear pump characteristics and development trend analysis This article mainly on the advantages of the new gear pump features and prospects for its development described in detail. 1, the electric hydraulic gear pump is a combination of hydraulic and electric drive in one of the new gear pump, which combines full hydraulic gear pump performance and all-electric energy-saving advantages of this combination of electric - hydraulic complex Gear pump gear pump technology has become the direction of development. 2, full hydraulic gear pump in the molding precision, complex shapes of products has many unique advantages, it from the traditional single-cylinder liquid filling, multi-cylinder filling the development of the current two-board direct pressure, of which two plates Straight pressure is the most representative, but its control technology is difficult, high precision machining, hydraulic technology is also difficult to grasp. 3, all-electric gear pump has a series of advantages, especially in the environmental protection and energy saving advantages, it is reported that the more advanced all-electric gear pump can save energy by 70%, in addition, the use of servo motor injection control accuracy than High speed is also more stable, but also multi-level adjustment. However, all electric gear pumps in the service life of hydraulic gear pumps, and full hydraulic gear pump to ensure the accuracy must use closed-loop control of the servo valve, while the servo valve is expensive, resulting in increased costs. In the cost structure of injection products, electricity accounts for a considerable proportion, according to the needs of gear pump equipment technology, gear pump motor power consumption of the entire equipment, the proportion of power consumption up to 50% -65%, thus extremely energy saving potential. All electric injection machine in the energy-saving effect has inherent advantages. Admittedly, the new gear pump has many advantages. However, due to the high cost of the motor and the limited cost, coupled with the difficulty of developing the technology, the development of the new gear pump still requires double test of time and market. This article is copyrighted industry interconnect (Xiamen) Co., Ltd. All are welcome to reprint, please indicate the source and author of: Asian pumps Network Editor: Zeng Fenfen (QQ / micro letter:) starting: http: //beng.liuti.cn / (Service Hotline:)

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