Product Description

 

Product Description

Hydraulic Equipment includes Engineering Hydraulic Cylinder, Hydraulic Cylinder for metallurgical equipment, Hydraulic Cylinder For Industry and Thin Hydraulic Cylinder, etc. 

Characteristics and Applications of Engineering Hydraulic Cylinders:
DGRHSGx01-Eseries are all double acting single piston rod hydraulic cylinders, which are actuators in the hydraulic system that move in a straight line. It has simple structure, reliable operation, with other characteristics like convenient assembly and disassembly, easy maintenance, and diverse
connection methods.
The installation method often adopts earring type. According to the connection method between the cylinder head and the cylinder block, it can be divided into three types: external thread connection, internal key connection, and flange connection.
The engineering hydraulic cylinder mainly uses hydraulic systems for engineering machinery cities, heavy machinery piles, lifting and transportation
machinery, and mining machinery combs.

Custom Double Acting Marine Hydraulic Cylinder,Hydraulic Cylinders with chrome plating piston rod

Application

Engineering machinery, mine, shipping, metallurgy, water conservancy, offshore, agriculture, etc.

Stroke

20mm to 16000mm

Bore

40mm to 1500mm

Shaft

12mm to 1000mm

Work pressure

16Mpa to 70Mpa (2250 CHINAMFG – 10150 PSI)

Seal

Parker, Merkel, NOK, Hallite,etc.

Paint

Red, Grey, Yellow, Black, etc.

Material

St52, CK45, 4140, Duplex2205, Stainless Steel 304/316, etc.

Certificate

ABS, Lloyds, SGS, etc.

Package

Bubble-wrap packing, then in wooden case.

Color

choose the color according to customer requirement

Core components

Bearing,Pressure vessel,Pump

Is it a standard part?

Nonstandard

Structure

Piston Type, Plunger Type, Telescopic Type,

Power

Hydraulic & Pneumatic

Cylinder material

ST52, CK45, 4140, Duplex 2205, Stainless Steel 304/316, etc.

Brand

DGR

Maximum stroke

max 16m

Shaft diameter

6mm to 500mm

Model

Double Acting or Single Acting

Price

100-1000/piece

Detailed Photos

 

 

Product Parameters

 

Table 1: Table of Connection Methods for Internal Thread Cylinder Barrel of Piston Rod
 

ltem Connection method Remarks
1 Cylinder bottom earring
with bushings
 
2 Cylinder bottom earring
with ball joint bearing
3 Middle trunnion For cylinder
diameter
D≥p80
4 End flange
5 Intermediate Flange

Table 2:Table of Connection Methods For External Thread Cylinder Barrel of Piston Rod
 

ltem Connection method Remarks
1 Cylinder bottom earring
with bushings
 
2 Cvlinder bottom earring
with ball joint bearing
3 Middle trunnion For cylinder
diameter
D≥Φ80
4 End flange
5 IntermediateFlange

Table 3: Table of Buffer Parts
 

ltem Position Remarks
0 Unbuffered Cylinder diameter  Φ40,Φ50,Φ63
without buffering
1 Buffered at both ends When the speed ratio is Φ=2,
only the bottom end of the
cylinder is equipped with a buffer
2 Buffer at the bottom
of the cylinder
3 Rod end with buffer

  

Note:
1. Speed ratio ϕ refers to the ratio of the effective area of the piston to the effective area of the piston rod cavity.
2. The rod diameter size in the speed ratio of 1.46 is the preferred series.
3.In principle, the maximum stroke: ϕ=1.33, S=8D; ϕ=1.46, S=10D; ϕ=2, S=12D.
4. When the user’s required S exceeds the maximum stroke specified in the table, it should be resolved through mutual consultation.
5. The minimum stroke for non hinged shaft and middle flange connections shall be as shown in the table above.
6. 1MPa is approximately equal to 10Kgf/cm2

Models for your choosing:
1, DGRHSG*01 Series Cylinder Bottom Earrings Internal Thread
2, DGRHSG*01 Series Middle Trunnion Internal Thread
3, DGRHSG*01 Series End Flange Internal Thread
4, DGRHSG*01 Series Intermediate Flange Internal Thread
5, DGRHSG*01 Series Cylinder Bottom Earrings External Thread
6, DGRHSG*01 Series Middle Trunnion External Thread
7, DGRHSG*01 Series End Flange External Thread
8, DGRHSG*01 Series Intermediate Flange External Thread

Below parameters for models 1, 2, 7 and 8 please contact me to get parameters for other models

 

Application

The engineering hydraulic cylinder mainly uses hydraulic systems for engineering machinery cities, heavy machinery piles, lifting and transportation machine, and mining machinery combs.

Our Advantages

1. Excellent Material Selection Strict selection of materials, professional processing of the inner wall, smooth operation, and long service life
2.Fine workmanship prevents oil leakage, greatly improves service life, saves a lot of maintenance costs, reduces friction resistance, and provides overall Mechanical efficiency
3. Easy installation It is very convenient to use, without the need for any matching accessories, reducing installation costs
4. Not prone to oil leakage Stable performance: The oil cylinder adopts excellent sealing components, with good sealing effect to maintain normal operation at high speed
5. Strict quality inspection and assurance of quality Each 1 is made with precision craftsmanship, using excellent standards to process and produce stable structures, saving time and effort, and making it easy to use.

Company Profile

HangZhou Packway Technology Development Co., LTD, Founded in March 2005, has been at the forefront of innovation, constantly striving to develop cutting-edge technologies and solutions. We currently operate 3 subsidiary companies, each connected with different sectors of the machinery market.

History of the 3 branches:

HangZhou Superworker Technology Co., LTD, established in June 2011, is an innovative enterprise specialized in industrial packaging. The main products and services include: automatic mechanical equipment (steel belt /PET belt strapping machine, clipping belt machine, marking spray machine, labeling machine, etc.), intelligent industrial packaging unit (coil, wire, plate, etc.), intelligent coil logistics system, transformation and upgrading services of similar products, repair and maintenance services of related equipment, supply of wearing parts and consumables. The SUPERWORKER has strong R&D strength and Customers from both domestic and international markets.

With the wide application of automation equipment, HangZhou Dagongren Electric Cylinder Technology Co., Ltd came into being in 2014. We are engaged in designing and manufacturing linear motion products, including servo/stepper motor electric cylinders,  linear actuators, multi-degree of freedom platforms, synchronization lifting platforms, VR simulators, etc., with features of high positioning accuracy, low noise, and long life. Our products have been widely used in automated warehousing, robotics, automation equipment, medical equipment, and AGV, vehicles, etc.

Works Hydraulic Technology (HangZhou) Co..Ltd, deeply rooted in the hydraulic, electronic control, and mechanical related industries, focuses on the research and development, production, and sales of electromechanical and hydraulic products. With a professional approach to providing personalized solutions for customers as the main model. Works mainly produces various hydraulic equipment, lubrication equipment, electronic control systems, hydraulic cylinders, and other products.

 

FAQ

Q1. What are your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown wooden cartons. If you have a legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What are your terms of payment?
A: T/T 50% as deposit, and 50% before shipping. We’ll show you the photos of the products and packages before you pay the balance.
Q3. What are your terms of delivery?
A: EXW, FOB, CFR, CIF.
Q4. How about your delivery time?
A: Generally, it will take 10-25 days to produce the products, and 5days by air, 25 days of the ship by sea. The specific delivery time depends on the items and the quantity of your order.
Q5: How is the warranty system?
A: 1~5 years. (upon the deal)
Q6. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q7. What is your sample policy?
A: We can supply the sample, but the customers have to pay the sample cost and the courier cost.
Q8. Do you test all your goods before delivery?
A: Yes, we have a 100% test before delivery.

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Certification: ISO9001
Pressure: High Pressure
Work Temperature: High Temperature
Acting Way: Single Acting
Working Method: Straight Trip
Adjusted Form: Regulated Type
Customization:
Available

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hydraulic cylinder

What advancements in hydraulic cylinder technology have improved energy efficiency?

Advancements in hydraulic cylinder technology have led to significant improvements in energy efficiency, allowing hydraulic systems to operate more efficiently and reduce energy consumption. These advancements aim to minimize energy losses, optimize system performance, and enhance overall efficiency. Here’s a detailed explanation of some key advancements in hydraulic cylinder technology that have improved energy efficiency:

1. Efficient Hydraulic Circuit Design:

– The design of hydraulic circuits has evolved to improve energy efficiency. Advancements in circuit design techniques, such as load-sensing, pressure-compensated systems, or variable displacement pumps, help match the hydraulic power output to the actual load requirements. These designs reduce unnecessary energy consumption by adjusting the flow and pressure levels according to the system demands, rather than operating at a fixed high pressure.

2. High-Efficiency Hydraulic Fluids:

– The development of high-efficiency hydraulic fluids, such as low-viscosity or synthetic fluids, has contributed to improved energy efficiency. These fluids offer lower internal friction and reduced resistance to flow, resulting in decreased energy losses within the system. Additionally, advanced fluid additives and formulations enhance lubrication properties, reducing friction and optimizing the overall efficiency of hydraulic cylinders.

3. Advanced Sealing Technologies:

– Seal technology has advanced significantly, leading to improved energy efficiency in hydraulic cylinders. High-performance seals, such as low-friction or low-leakage seals, minimize internal leakage and friction losses. Reduced internal leakage helps maintain system pressure more effectively, resulting in less energy waste. Additionally, innovative sealing materials and designs enhance durability and extend seal life, reducing the need for frequent maintenance and replacement.

4. Electro-Hydraulic Control Systems:

– The integration of advanced electro-hydraulic control systems has greatly contributed to energy efficiency improvements. By combining electronic control with hydraulic power, these systems enable precise control over cylinder operation, optimizing energy usage. Proportional or servo valves, along with position or force feedback sensors, allow for accurate and responsive control, ensuring that hydraulic cylinders operate at the required level of performance while minimizing energy waste.

5. Energy Recovery Systems:

– Energy recovery systems, such as hydraulic accumulators, have been increasingly utilized to improve energy efficiency in hydraulic cylinder applications. Accumulators store excess energy during low-demand periods and release it when there is a peak demand, reducing the need for the hydraulic pump to provide the full power continuously. By utilizing stored energy, these systems can significantly reduce energy consumption and improve overall system efficiency.

6. Smart Monitoring and Control:

– Advancements in smart monitoring and control technologies have enabled real-time monitoring of hydraulic systems, allowing for optimized energy usage. Integrated sensors, data analytics, and control algorithms provide insights into system performance and energy consumption, enabling operators to make informed decisions and adjustments. By identifying inefficiencies or suboptimal operating conditions, energy consumption can be minimized, leading to improved energy efficiency.

7. System Integration and Optimization:

– The integration and optimization of hydraulic systems as a whole have played a significant role in improving energy efficiency. By considering the entire system layout, component sizing, and interaction between different elements, engineers can design hydraulic systems that operate in the most energy-efficient manner. Proper sizing of components, minimizing pressure drops, and reducing unnecessary piping or valve restrictions all contribute to improved energy efficiency of hydraulic cylinders.

8. Research and Development:

– Ongoing research and development efforts in the field of hydraulic cylinder technology continue to drive energy efficiency advancements. Innovations in materials, component design, system modeling, and simulation techniques help identify areas for improvement and optimize energy usage. Additionally, collaboration between industry stakeholders, research institutions, and regulatory bodies fosters the development of energy-efficient hydraulic cylinder technologies.

In summary, advancements in hydraulic cylinder technology have resulted in notable improvements in energy efficiency. Efficient hydraulic circuit designs, high-efficiency hydraulic fluids, advanced sealing technologies, electro-hydraulic control systems, energy recovery systems, smart monitoring and control, system integration and optimization, as well as ongoing research and development efforts, all contribute to reducing energy consumption and enhancing the overall energy efficiency of hydraulic cylinders. These advancements not only benefit the environment but also offer cost savings and improved performance in various hydraulic applications.

hydraulic cylinder

Handling the Challenges of Minimizing Fluid Leaks and Contamination in Hydraulic Cylinders

Hydraulic cylinders face challenges when it comes to minimizing fluid leaks and contamination, as these issues can impact the performance, reliability, and lifespan of the system. However, there are several measures and design considerations that help address these challenges effectively. Let’s explore how hydraulic cylinders handle the challenges of minimizing fluid leaks and contamination:

  1. Sealing Systems: Hydraulic cylinders employ advanced sealing systems to prevent fluid leaks. These systems typically include various types of seals, such as piston seals, rod seals, and wiper seals. The seals are designed to create a tight and reliable barrier between the moving components of the cylinder and the external environment, minimizing the risk of fluid leakage.
  2. Seal Material Selection: The choice of seal materials is crucial in minimizing fluid leaks and contamination. Hydraulic cylinder manufacturers carefully select seal materials that are compatible with the hydraulic fluid used and resistant to wear, abrasion, and chemical degradation. This ensures the longevity and effectiveness of the seals, reducing the likelihood of leaks or premature seal failure.
  3. Proper Installation and Maintenance: Ensuring proper installation and regular maintenance of hydraulic cylinders is essential for minimizing fluid leaks and contamination. During installation, attention should be given to proper alignment, torqueing of bolts, and adherence to recommended procedures. Regular maintenance includes inspecting seals, replacing worn-out components, and addressing any signs of leakage promptly. Proper maintenance practices help identify and rectify issues before they escalate and cause significant problems.
  4. Contamination Control: Hydraulic cylinders incorporate measures to control contamination and maintain fluid cleanliness. This includes the use of filtration systems, such as in-line filters, to remove particles and contaminants from the hydraulic fluid. Additionally, hydraulic reservoirs often have breathers and desiccant filters to prevent moisture and airborne contaminants from entering the system. By controlling contamination, hydraulic cylinders minimize the risk of damage to internal components and maintain optimal system performance.
  5. Environmental Protection: Hydraulic cylinders may be equipped with protective features to safeguard against external contaminants. For example, bellows or protective boots can be installed to shield the rod and seals from debris, dirt, or moisture present in the operating environment. These protective measures help extend the life of the seals and enhance the overall reliability of the hydraulic cylinder.

In summary, hydraulic cylinders employ sealing systems, appropriate seal materials, proper installation and maintenance practices, contamination control measures, and environmental protection features to handle the challenges of minimizing fluid leaks and contamination. By implementing these measures, manufacturers can ensure reliable and long-lasting hydraulic cylinder performance, minimize the risk of fluid leakage, and maintain the cleanliness of the hydraulic system.

hydraulic cylinder

What factors should be considered when selecting the right hydraulic cylinder for an application?

When selecting the right hydraulic cylinder for an application, several important factors need to be considered. These factors help ensure that the chosen hydraulic cylinder is suitable for the specific requirements of the application and will perform reliably. Here are the key factors to consider:

1. Load Requirements:

– One of the crucial factors to consider is the load requirement of the application. Determine the maximum load that the hydraulic cylinder needs to handle. Consider both the static load (when the cylinder is stationary) and the dynamic load (when the cylinder is in motion). The load requirement will impact the cylinder’s bore size, rod diameter, and overall strength. Choose a hydraulic cylinder with a load capacity that exceeds the application’s maximum load to ensure safety and longevity.

2. Stroke Length:

– The stroke length refers to the distance the hydraulic cylinder needs to extend and retract to perform the desired motion. Measure the required stroke length based on the application’s operational requirements. It is essential to choose a hydraulic cylinder with a stroke length that matches or exceeds the required distance. Consider any potential variations or adjustments in the stroke length that may be needed in the future.

3. Operating Pressure:

– Consider the operating pressure required for the application. The hydraulic cylinder must be capable of withstanding the maximum pressure within the hydraulic system. Ensure that the selected cylinder has a pressure rating that exceeds the application’s maximum operating pressure. This ensures safety and prevents premature failure.

4. Speed Requirements:

– Determine the required speed of the hydraulic cylinder’s movement for the application. Consider both the extension and retraction speeds. Select a cylinder that can achieve the desired speed while maintaining precise control and stability. It is important to choose a cylinder that can handle the required speed without compromising performance or safety.

5. Mounting:

– Evaluate the available space and mounting requirements for the hydraulic cylinder. Consider the mounting type (such as flange, foot, trunnion, or clevis), the available mounting points, and any specific mounting constraints. Ensure that the selected cylinder can be easily and securely mounted in the desired location.

6. Environmental Factors:

– Assess the environmental conditions in which the hydraulic cylinder will operate. Consider factors such as temperature extremes, humidity, exposure to chemicals, dust, or corrosive substances. Choose a cylinder that is designed to withstand the specific environmental conditions of the application. This may involve selecting appropriate materials, coatings, or seals to ensure the longevity and performance of the cylinder.

7. Cylinder Configuration:

– Determine the appropriate cylinder configuration based on the application’s requirements. Consider factors such as single-acting or double-acting cylinders, telescopic cylinders for limited space, or custom configurations for unique applications. Evaluate the specific needs of the application to select the most suitable cylinder configuration.

8. Maintenance and Serviceability:

– Consider the maintenance and service requirements of the hydraulic cylinder. Evaluate factors such as ease of access for maintenance, availability of spare parts, and the reputation of the manufacturer or supplier in terms of customer support and after-sales service. Choosing a reliable and reputable brand can ensure ongoing support and availability of spare parts when needed.

9. Compliance and Standards:

– Depending on the industry and application, certain compliance standards may need to be met. Consider any industry-specific regulations, safety standards, or certifications that the hydraulic cylinder should comply with. Ensure that the selected cylinder meets the required standards and certifications for the application.

10. Cost and Budget:

– Finally, consider the cost and budget for the hydraulic cylinder. While it is important to select a cylinder that meets the application’s requirements, it is also necessary to consider the overall cost-effectiveness. Evaluate the initial purchase cost, long-term maintenance costs, and the expected lifespan of the cylinder. Balancing the cost and quality will help in selecting a hydraulic cylinder that provides the best value for the application.

By considering these factors in the selection process, it becomes possible to choose the right hydraulic cylinder that meets the specific requirements of the application in terms of load capacity, stroke length, operating pressure, speed, mounting, environmental conditions, maintenance needs, compliance, and cost-effectiveness. Proper selection ensures optimal performance, reliability, and longevity of the hydraulic cylinder in the intended application.

China wholesaler Hot Selling Custom Double Acting Marine Hydraulic Cylinder, Hydraulic Cylinders with Chrome Plating Piston Rod   vacuum pump engine	China wholesaler Hot Selling Custom Double Acting Marine Hydraulic Cylinder, Hydraulic Cylinders with Chrome Plating Piston Rod   vacuum pump engine
editor by CX 2024-04-16