Product Description

Earring Type Doulb acting Single Position Rod hydraulic Cylinder for engineering machinery
Hydraulic Equipment includes Engineering Hydraulic Cylinder, Hydraulic Cylinder for metallurgical equipment, Hydraulic Cylinder For Industry and Thin Hydraulic Cylinder, etc. DGRHSG*01-E series 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 3 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 machine, and mining machinery combs.

 

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

  

Nominal
pressure
(Mpa)
Bore
D(mm)
Speed ratio Minimum stroke
for non hinged
shaft and middle
flange
connections
(mm)
1.33 1.46 2
Rod diameter
d(mm)
Maximum stroke
S(mm)
Rod diameter
d(mm)
Maximum stroke
S(mm)
Rod diameter
d(mm)
Maximum stroke
S(mm)
16 40 20 320 22 400 25 480  
50 25 400 28 500 32 600  
63 32 500 35 630 45 750  
80 40 640 45 800 55 950  
80 40 640 45 800 / / 30
90 45 720 50 900 63 1080 40
100 50 800 55 1000 70 1200 40
110 55 880 63 1100 80 1320 40
125 63 1000 70 1250 90 1500 35
140 70 1120 80 1400 100 1680 45
150 75 1200 85 1500 105 1800 50
160 80 1280 90 1600 110 1900 40
180 90 1450 100 1800 125 2150 45
200 100 1600 110 2000 140 2400 45
220 110 1760 125 2200 160 2640 50
250 125 2000 140 2500 180 3000 55

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.

Dimensions

 

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.

Features

1.Excellent Material Selection Strict selection of materials, professional processing of the inner wall, smooth operation, and long service life
2.Fine workmanship 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.
 

Applications

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

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.

Packaging & Shipping

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

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single acting hydraulic cylinder

How does a single-acting hydraulic cylinder fit into various hydraulic system designs?

A single-acting hydraulic cylinder can be integrated into various hydraulic system designs, offering versatility and functionality. Here’s a detailed explanation:

Hydraulic systems are widely used in numerous industries for various applications, including heavy machinery, construction equipment, manufacturing processes, and automation systems. Single-acting hydraulic cylinders play a crucial role in these hydraulic systems, providing linear force and motion. Here are the key points on how single-acting hydraulic cylinders fit into various hydraulic system designs:

1. Force Generation: Single-acting hydraulic cylinders are designed to generate force in one direction, typically during extension. They convert the hydraulic pressure supplied by the hydraulic system into linear force, enabling the system to perform tasks such as lifting, pushing, pulling, or clamping. The force generated by the single-acting hydraulic cylinder can be precisely controlled and adjusted, making it suitable for a wide range of applications.

2. Actuation Mechanism: Single-acting hydraulic cylinders serve as actuation mechanisms in hydraulic systems. They convert hydraulic energy into mechanical energy, allowing the system to perform the desired tasks. By utilizing the hydraulic pressure to extend or retract the piston, the single-acting hydraulic cylinder enables the system to move or apply force to the targeted components or objects.

3. Compact Design: Single-acting hydraulic cylinders have a relatively compact design, making them adaptable to various hydraulic system layouts and configurations. Their compact size allows for flexible installation, enabling integration into space-limited environments or complex machinery. The compact design of single-acting hydraulic cylinders also enhances the efficiency and effectiveness of hydraulic system designs.

4. Integration with Valves and Control Systems: Single-acting hydraulic cylinders can be easily integrated with valves and control systems within hydraulic systems. Valves control the flow and direction of hydraulic fluid to the cylinder, enabling precise control over the cylinder’s movement and force application. Control systems, such as pressure regulators or proportional control valves, can be employed to adjust and fine-tune the hydraulic pressure supplied to the cylinder, ensuring accurate and controlled operation. The integration of single-acting hydraulic cylinders with valves and control systems allows for the customization and optimization of hydraulic system designs.

5. System Customization: Single-acting hydraulic cylinders offer customization options to fit various hydraulic system designs. The cylinder’s stroke length, bore size, mounting configurations, and accessories can be tailored to meet specific requirements. This customization ensures compatibility with the overall hydraulic system design and optimizes the performance of the system in terms of force output, speed, and precision.

6. Safety Considerations: Single-acting hydraulic cylinders can incorporate safety features such as pressure relief valves, burst discs, or emergency stop mechanisms. These safety measures help prevent excessive force application, system overpressure, or equipment damage, providing a higher level of safety in hydraulic system designs.

Single-acting hydraulic cylinders are employed in a wide range of hydraulic system designs, including hydraulic presses, lifting equipment, material handling systems, construction machinery, agricultural machinery, and more. Their adaptability, force generation capabilities, compact design, integration with valves and control systems, customization options, and safety features make them valuable components in hydraulic system designs across various industries.

single acting hydraulic cylinder

How does a single-acting hydraulic cylinder handle variations in hydraulic fluid flow rate?

A single-acting hydraulic cylinder is designed to handle variations in hydraulic fluid flow rate effectively. Here’s a detailed explanation:

Hydraulic fluid flow rate plays a crucial role in the operation of hydraulic systems, including single-acting hydraulic cylinders. These cylinders rely on hydraulic fluid flow to extend or retract the piston and generate force. Here are some key points on how a single-acting hydraulic cylinder handles variations in hydraulic fluid flow rate:

1. Flow Control Valves: Single-acting hydraulic cylinders can incorporate flow control valves to regulate the hydraulic fluid flow rate. Flow control valves, such as flow restrictors or flow control orifices, are installed in the hydraulic circuit to control the amount of fluid flowing into or out of the cylinder. These valves can be adjusted to restrict or increase the flow rate, allowing for precise control over the cylinder’s speed and force generation. By adjusting the flow control valve, variations in the hydraulic fluid flow rate can be managed, ensuring consistent performance of the cylinder.

2. Pressure Compensation: Single-acting hydraulic cylinders are typically connected to a hydraulic power unit that maintains a certain level of hydraulic pressure. When variations in hydraulic fluid flow rate occur, the pressure compensation mechanism of the hydraulic power unit helps maintain a consistent pressure within the system. This compensation ensures that the cylinder receives an adequate supply of hydraulic fluid, regardless of the flow rate variations, allowing it to operate smoothly and generate the desired force.

3. Accumulators: In some cases, single-acting hydraulic cylinders can be equipped with accumulators to handle variations in hydraulic fluid flow rate. An accumulator is a device that stores hydraulic fluid under pressure. During periods of high flow rate, the accumulator stores excess fluid. When the flow rate decreases, the accumulator releases the stored fluid to compensate for the reduced flow. This helps maintain a consistent flow rate to the cylinder, ensuring its proper operation even during fluctuations in the hydraulic fluid flow rate.

4. System Design: The overall design of the hydraulic system that includes the single-acting hydraulic cylinder can also contribute to handling variations in hydraulic fluid flow rate. Proper sizing and selection of components, such as pumps, hoses, and valves, are important considerations. The system should be designed to accommodate the expected flow rate variations while maintaining adequate fluid supply to the cylinder. By ensuring an appropriately designed hydraulic system, the single-acting hydraulic cylinder can handle variations in flow rate effectively.

It is essential to consider factors such as load requirements, operating conditions, and safety considerations when selecting and configuring the hydraulic system and components to ensure optimal performance of the single-acting hydraulic cylinder.

In summary, a single-acting hydraulic cylinder handles variations in hydraulic fluid flow rate through the use of flow control valves, pressure compensation mechanisms, accumulators, and proper system design. These features enable the cylinder to maintain consistent performance and generate the desired force, regardless of fluctuations in the hydraulic fluid flow rate.

single acting hydraulic cylinder

How does a single-acting hydraulic cylinder handle variations in hydraulic pressure?

A single-acting hydraulic cylinder is designed to handle variations in hydraulic pressure in a specific manner. Here’s a detailed explanation:

1. Extending Stroke: During the extending stroke of a single-acting hydraulic cylinder, hydraulic pressure is applied to the pressure chamber through the hydraulic port. The pressure acts on the piston, causing it to move in the outward direction, extending the piston rod. The force generated by the hydraulic pressure is directly proportional to the pressure and the effective area of the piston.

2. Return Stroke: Unlike double-acting hydraulic cylinders that can generate force in both directions, single-acting cylinders rely on external forces or mechanisms for the return stroke. Once the hydraulic pressure is released or redirected, external forces such as gravity, springs, or other mechanical means push the piston back to its original position.

3. Handling Pressure Variations: Single-acting hydraulic cylinders are designed to accommodate variations in hydraulic pressure in the following ways:

  • Pressure Limitations: Single-acting cylinders have pressure limitations specified by their design and construction. These limitations ensure that the cylinder can safely handle the maximum hydraulic pressure it is rated for without experiencing structural failure or damage.
  • Pressure Relief Valve: In some applications, a pressure relief valve may be installed in the hydraulic circuit to protect the hydraulic cylinder from excessive pressure. The relief valve opens when the pressure exceeds a predetermined limit, allowing the excess fluid to bypass the cylinder and maintain a safe operating pressure.
  • Sealing System: Single-acting cylinders have sealing systems that help contain the hydraulic pressure within the pressure chamber and prevent leakage. The seals, such as O-rings, rod seals, and wiper seals, are designed to withstand the pressure and provide an effective barrier between the pressure chamber and the return chamber.
  • Controlled Fluid Flow: The hydraulic system controlling the single-acting cylinder may incorporate flow control valves or regulators to regulate the rate of fluid flow. These components can help manage pressure variations by controlling the flow of hydraulic fluid into the pressure chamber during the extending stroke.

By considering pressure limitations, incorporating pressure relief valves, utilizing effective sealing systems, and implementing controlled fluid flow, single-acting hydraulic cylinders can handle variations in hydraulic pressure and maintain safe and reliable operation.

China supplier Earring Type Doulb Acting Single Position Rod Hydraulic Cylinder for Engineering Machinery   vacuum pump distributorsChina supplier Earring Type Doulb Acting Single Position Rod Hydraulic Cylinder for Engineering Machinery   vacuum pump distributors
editor by CX 2023-12-21