Product Description
Product Description
Our company can design and produce marine machinery hydraulic cylinders, vehicle engineering hydraulic cylinders, engineering machinery hydraulic cylinders, and metallurgical machinery hydraulic cylinders by ourselves. It has the characteristics of simple structure, reliable operation, convenient disassembly and assembly, easy maintenance, buffer device and various connection methods.
The inner diameter of the cylinder barrel adopts rolling or honing and polishing processing technology to ensure very high dimensional accuracy, geometric accuracy and surface roughness; the cylinder barrel and tailstock ring welding seam is completed using a special cylinder ring seam automatic welding machine, which is 100% ultrasonic Flaw detection, in line with the standard Class I requirements; the exposed surface of the piston rod when it is extended is all chromium-plated, and will not rust even if it works in sea fog for a long time; various performance tests are carried out on the hydraulic cylinder test bench before leaving the factory; hydraulic pressure Cylinder seals can be of internationally renowned brands, such as British Hallite, or domestic CHINAMFG brands, such as ZheJiang ‘s DZ, etc. We can provide CCS classification society approval certificates.
Customized service
We can offer OEM ODM service,please offer us below data:
Bore size;Stroke length;Rod Diameter;Mounting Type; Mounting length;Paint color requirement.
Specification
Production Process
More Product
Application scenarios
Our company
HangZhou zhonghai marine Machinery Co., Ltd., formerly HangZhou Northern Shipping Engineering Co., Ltd., was established in 1997 and has experienced 26 years of development.
About Us
HangZhou Zhonghai Marine Machinery Co., Ltd. was established in 2008 with a registered capital of 5 million yuan. formerly HangZhou Northern Shipping Engineering Co., Ltd., was established in 1997 and has experienced 26 years of development.The company is a private enterprise and is located in Liuting New Building Materials Industrial Park, CHangZhou District, HangZhou City, ZheJiang Province. The company’s production plant covers an area of 5,000 square meters. Its leading products include: marine Hydraulic systems of life-saving/rescue equipment, special equipment for shipyards; hydraulic cylinders, hydraulic winches, hydraulic pump stations, hydraulic control valve groups, high-pressure hoses, pipe joints, etc. At the same time, the company also undertakes projects such as hydraulic equipment maintenance, hydraulic cylinder maintenance, and non-standard design of hydraulic equipment. There are currently 45 employees. It has an automatic cylinder welding machine, a special cylinder test bench, a high-pressure hose cutting, stripping, crimping, flushing and bursting pressure test bench, CNC plasma, flame cutting machine, 20t gantry crane, vertical machining center, CNC lathe and general lathe, grinding machine , planing, milling, boring and other equipment.
The company now has a design and R&D space of 200 square meters, more than 10 sets of major scientific research equipment, 15 people with a college degree or above, and 13 technical staff. R&D tasks are formulated every year based on market and enterprise development.
The hydraulic cylinders and hydraulic winches produced by the company have obtained product certifications from CCS (China Classification Society), BV (Bureau Veritas), and DNV (Det Norske Veritas) respectively. The hydraulic systems, hydraulic cylinders, hydraulic winches and high-pressure hoses it produces are exported to the United States, Japan, South Korea, Singapore and other countries.
Honor certificate
Capacity of R&D Research
The company now has a design and R&D space of 200 square meters, more than 10 sets of major scientific research equipment, 15 people with a college degree or above, and 13 technical staff. R&D tasks are formulated every year based on market and enterprise development.
Team building
Quality Control
1.We have a professional and senior design team and all specification is designed by professional engineers.
2.All product is processed by skilled workers and advanced CNC lathe.
3.All cylinders are 100% tested before package .
4.One year warranty and long time track service is offered to solve any problems of after sale.
5.We can provide China Classification Society certificate.
FAQ
Q1: Do you accept OEM/ODM manufacturing?
A1: Yes! We do accept OEM/ODM manufacturing.
We will make the exact product according to your specification and drawing.
Q2: Could we get small quantity samples?
A2: Yes! We understand the quality test is important and we are glad to make the sample for you.
The MOQ is 1 pcs.
Q3: How long is the production time?
A3: Generally the production time is 30 days.
Contact us
Amy qiu
HangZhou Zhonghai Marine Machinery Co., Ltd.
Address:No. 37 Yuting Road, Liuting Street, CHangZhou District, HangZhou City
Mobile:
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| Certification: | ISO9001 |
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| Pressure: | High Pressure |
| Work Temperature: | Normal Temperature |
| Acting Way: | Double Acting |
| Working Method: | Straight Trip |
| Structure: | Piston Type |
| Customization: |
Available
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How does a double-acting hydraulic cylinder manage variations in load capacity and weight?
A double-acting hydraulic cylinder is designed to effectively manage variations in load capacity and weight in hydraulic systems. Here’s a detailed explanation:
1. Adjustable Force Output: Double-acting hydraulic cylinders allow for adjustable force output by controlling the hydraulic pressure applied to the cylinder. By adjusting the pressure in the hydraulic system, the force generated by the cylinder can be varied to match the specific load requirements. This feature enables the cylinder to handle variations in load capacity and weight effectively.
2. Mechanical Advantage: Double-acting hydraulic cylinders leverage mechanical advantage to manage variations in load capacity and weight. The cylinder’s design incorporates a larger surface area on the cap end of the piston compared to the rod end. This size difference creates a force amplification effect, allowing the cylinder to exert greater force during the extension stroke. This mechanical advantage enables the cylinder to handle heavier loads and compensate for variations in weight.
3. Pressure Compensation: Double-acting hydraulic cylinders can compensate for variations in load capacity and weight by adjusting the hydraulic pressure in the system. When the load increases, the hydraulic pressure can be increased to generate a higher force output. Conversely, when the load decreases, the pressure can be reduced to match the reduced force requirement. This pressure compensation capability allows the cylinder to adapt to varying load conditions.
4. Position Feedback and Control: To effectively manage variations in load capacity and weight, double-acting hydraulic cylinders can be equipped with position feedback devices and control systems. These devices provide real-time information about the cylinder’s position and can be used to adjust the force output accordingly. By monitoring and controlling the cylinder’s position, the system can respond to changes in load capacity and weight, ensuring optimal performance.
5. Accumulator Integration: Double-acting hydraulic cylinders can be integrated with hydraulic accumulators to manage variations in load capacity and weight. An accumulator is a device that stores hydraulic energy in the form of pressurized fluid. During periods of low load or weight, excess hydraulic energy can be stored in the accumulator. When the load or weight increases, the stored energy can be released to supplement the hydraulic power and provide additional force. This integration helps manage variations in load capacity effectively.
6. System Design and Sizing: Proper system design and sizing play a crucial role in managing variations in load capacity and weight. The hydraulic system, including the double-acting cylinder, should be appropriately sized and selected based on the expected load range. A well-designed system takes into account factors such as the maximum expected load, safety factors, and anticipated variations in weight. By selecting the right cylinder size and ensuring adequate system capacity, variations in load and weight can be effectively managed.
By incorporating these features and considerations, double-acting hydraulic cylinders can effectively manage variations in load capacity and weight, providing reliable and efficient force generation in a wide range of applications.
How does a double-acting hydraulic cylinder handle variations in hydraulic hose technology?
A double-acting hydraulic cylinder can accommodate variations in hydraulic hose technology. Here’s a detailed explanation:
1. Connection Flexibility: Double-acting hydraulic cylinders feature versatile connection options, allowing them to adapt to different hydraulic hose technologies. The cylinder typically has threaded ports or flanges designed to accept various types of hydraulic fittings. This flexibility enables the connection of different types of hydraulic hoses, including those with variations in size, material, and connection method.
2. Pressure and Flow Compatibility: Hydraulic hose technology has evolved to provide compatibility with a wide range of pressure and flow requirements. Double-acting hydraulic cylinders can handle these variations by being designed and manufactured to withstand different pressure ratings. The cylinder is selected or customized based on the system’s maximum operating pressure, ensuring its capability to handle the specific hydraulic hose technology being used. Similarly, the cylinder’s internal design and dimensions are optimized to accommodate the required flow rate, ensuring efficient operation.
3. Sealing Mechanisms: Double-acting hydraulic cylinders incorporate sealing mechanisms to ensure the integrity of the hydraulic system, regardless of the specific hose technology being employed. The cylinder is equipped with seals, such as O-rings or lip seals, that create a reliable barrier against fluid leakage. These seals are designed to accommodate variations in hose technology, providing a secure and leak-free connection between the hydraulic cylinder and the hydraulic hoses.
4. Compatibility with Hose Materials: Hydraulic hoses are available in different materials, including rubber, thermoplastic, and metal. Double-acting hydraulic cylinders are designed to be compatible with a wide range of hose materials. The cylinder’s construction and internal components are selected and engineered to withstand the characteristics of different hose materials, such as their flexibility, temperature resistance, and chemical compatibility. This ensures that the hydraulic cylinder can operate seamlessly with various hose technologies, providing reliable and efficient force generation.
5. Customization and Adaptability: Double-acting hydraulic cylinders can be customized and adapted to specific hydraulic hose technologies. They can be designed with different port sizes, thread types, or flange configurations to match the specific requirements of the hydraulic hoses being used. This adaptability allows for easy integration and ensures a secure and efficient hydraulic connection between the cylinder and the hoses, regardless of any variations in hose technology.
Overall, the connection flexibility, pressure and flow compatibility, sealing mechanisms, compatibility with hose materials, as well as customization and adaptability of double-acting hydraulic cylinders enable them to handle variations in hydraulic hose technology. This ensures the reliable and efficient operation of hydraulic systems, regardless of the specific hose technology employed.
What is the importance of hydraulic fluid in a double-acting hydraulic cylinder?
Hydraulic fluid plays a crucial role in the operation and performance of a double-acting hydraulic cylinder. Here’s a detailed explanation of its importance:
1. Transmitting Power: Hydraulic fluid is the medium through which power is transmitted in a hydraulic system. In a double-acting hydraulic cylinder, the hydraulic fluid is used to transfer force from the hydraulic pump to the piston, generating the necessary pushing and pulling forces. The fluid’s ability to transmit power efficiently is vital for the cylinder’s operation.
2. Lubrication and Cooling: Hydraulic fluid provides lubrication to the moving components within the cylinder, such as the piston, rod, and seals. This lubrication minimizes friction and wear, ensuring smooth operation and extending the cylinder’s service life. Additionally, the hydraulic fluid absorbs heat generated during operation and carries it away from the cylinder, contributing to cooling and preventing overheating.
3. Sealing and Contamination Control: The hydraulic fluid helps create a seal between the piston and cylinder walls through the use of seals and gaskets. This seal prevents leakage of fluid and maintains the integrity of the hydraulic system. The fluid also plays a vital role in contamination control by carrying away particles and debris that may enter the system, protecting the cylinder’s internal components from damage.
4. Energy Transfer and Efficiency: Hydraulic fluid acts as a medium for energy transfer within the hydraulic system. It stores potential energy when pressurized by the hydraulic pump and releases it when needed to move the piston. The fluid’s incompressible nature ensures efficient energy transfer, allowing for precise control and effective operation of the double-acting hydraulic cylinder.
5. Compatibility and Performance Optimization: The choice of hydraulic fluid is essential to ensure compatibility with the cylinder’s materials, seals, and other hydraulic system components. Different types of hydraulic fluids, such as mineral oil-based, synthetic, or water-based fluids, offer varying performance characteristics. Selecting the appropriate hydraulic fluid and maintaining its quality through regular maintenance helps optimize the cylinder’s performance and prevent potential issues.
6. System Safety and Reliability: The hydraulic fluid’s properties, such as viscosity and temperature range, are critical for maintaining system safety and reliability. The fluid’s viscosity affects the cylinder’s response time and the system’s overall performance. Monitoring and maintaining the appropriate fluid level and quality are essential for safe and reliable operation of the double-acting hydraulic cylinder.
In conclusion, hydraulic fluid is of utmost importance in a double-acting hydraulic cylinder. It enables power transmission, provides lubrication and cooling, ensures sealing and contamination control, facilitates energy transfer and efficiency, optimizes performance, and contributes to system safety and reliability.
editor by CX 2024-01-04