vane pumps for excavators and other hydraulic machinery

Whether it is equipment requiring high pressure output or precision machinery requiring low noise and low pulsation, high pressure, low noise vane pumps provide stable and reliable hydraulic support to ensure efficient and precise equipment operation.

Principle of operation:

The operating principle of the high-pressure, low-noise vane pump is based on the traditional vane pump structure. The pump consists of a rotor, vanes, pump body and oil. The friction and centrifugal force between the rotor and the vanes generate the suction and discharge of the liquid.
Suction process: The rotor drives the vane to rotate, resulting in a gradual increase in the volume of the pump chamber. Due to the centrifugal force of the rotor, the blades expand outward, thus forming a negative pressure and drawing in the oil.
Oil pressure process: As the rotor continues to rotate, the volume of the pump chamber gradually decreases, and the oil is pressed into the outlet port, forming a hydraulic output.
Due to the precision fit between the vane and the pump body, this pump is able to provide smooth, continuous flow output and reduce oil pulsation and noise. Therefore, this vane pump is suitable for use in hydraulic systems requiring high pressure, low noise and low pulsation.

vane pumps Main features:

1. High-pressure capability: High-pressure low-noise vane pumps are designed for pressures up to 21 MPa and are suitable for high-pressure hydraulic systems. It can work stably under harsh working conditions and provide the required high pressure hydraulic power.
2. Low noise and low pulsation: the pump adopts precision manufacturing process, low noise during operation and low pulsation. The uniform distribution and optimized design of the vane enables it to effectively reduce irregular fluctuations in the liquid flow, ensuring quiet and stable operation, suitable for precision equipment that requires a low-noise environment.
3. High stability and reliability: Seiko manufactured high-pressure low-noise vane pump has a high degree of stability, can be maintained in the long-term working process of consistent performance, reduce the failure rate.
4. Adaptable: the pump is suitable for a variety of high-precision, low-noise requirements of the equipment, those on the stability of the hydraulic system and noise control have high requirements of industrial occasions, such as CNC machine tools, injection molding machines and leather processing machinery.
5. Speed range: the minimum speed of 750 rpm, the maximum speed of 1800 rpm. This speed range ensures that the pump is able to provide stable flow and pressure under different working conditions to meet a wide range of industrial needs.
6. Theoretical Displacement: The vane pump has a theoretical displacement of up to 82.7 mL/r, meaning that it is capable of delivering up to 82.7 milliliters of hydraulic oil per revolution. This large displacement allows it to meet hydraulic systems that require a large flow rate.

Application areas:

1. Cutting machinery: used in precision cutting, grinding and milling equipment hydraulic drive system, to provide stable, strong power, and effectively reduce the work noise.
2. Plastic machinery: injection molding machines, blow molding machines and other plastic molding equipment, vane pumps can provide high-pressure, stable hydraulic pressure source, and low noise, help improve the working environment.
3. Leather processing machinery: leather processing process includes a number of links, such as cutting, embossing, dyeing, polishing, etc., these equipments need stable hydraulic power output, and the noise and flow stability have high requirements. High pressure low noise vane pump low noise, low pulsation characteristics are very suitable for these application scenarios, the specific application of leather processing machinery include:
   • Embossing machine: used in the leather surface embossing all kinds of patterns or texture, enhance the beauty and grade of leather.
   • Dyeing machine: used to give the leather color or dye treatment, to ensure that the leather uniform coloring.
   • Shaping machine: used to shape the leather products, especially in the production process of shoes, purses and other products, to help the leather better fit the molding.
   • Cutting machine: used to cut the leather accurately according to the design requirements, to ensure the cutting quality of the leather.
   • Polishing machine: used to polish the surface of the leather, increase its glossiness and make the leather smoother and more textured.
   • Sewing machine: used to sew different parts of the leather together, to ensure the durability and beauty of leather products.
4. Precision machinery and equipment: such as numerical control machine tools, precision instruments, test equipment, etc., these equipments have high requirements on the precision, noise control and stability of the hydraulic system, which is suitable for the use of high-pressure low-noise vane pumps.
5. Industrial vehicles and agricultural machinery: in the hydraulic drive system to provide stable pressure output to ensure efficient operation of the hydraulic system, especially in high-pressure environment.
6. Vulcanizing machine: used in the vulcanization process of rubber or plastic, need high pressure, stable hydraulic power source.
7. Excavator: for the excavator’s hydraulic system to provide high pressure, low noise hydraulic power to ensure efficient and stable excavation operations.
8. Bending machine: in the metal bending or molding process, to provide efficient hydraulic support to ensure the precise operation of the bending machine.
9. Other high-precision hydraulic systems: including aerospace, medical equipment and other applications requiring stable and quiet hydraulic systems.