Product Description

Product Description

 

Mining & cement hydraulic cylinder:

Hetlock(ZheJiang )Machinery Co.,Ltd. have many years of experience in mining and cement industry, Allows us to accumulate the rich experience of hydraulic cylinder in this industry. Because of the bad environment of this industry, dusty, and use frequently. We grope out a set of complete process for the design methods and produce process.
We are established a professional quality control method for each key control points of technology and process, and get a very good quality result.

Our products have applications in:

  • Tunnel construction equipment;
  • Earth moving equipment;
  • Hydraulic con crusher;
  • Grate cooler;
  • Roller press;
  • Vertical mill;
  • Drilling rig;
  • Etc.

Product Parameters

Material Carbon steel, Alloy steel, Stainless steel
Honed tube 20-2500mm, Heat treatment, honing, rolling
Piston rod 10-2000mm ,tempering, plated nickel, Chromium or ceramic
Working Pressure 5-300Mpa
Seals Parker,Merkel,Hallite
Technology Bosch CHINAMFG and Parker
Coating Sandblasting, primer, middle paint,  finish paint
Temperature range -40ºC to +300ºC
Work medium Hydraulic Oil 
Piston speed maximum 2m/s
Mounting style Earrings, flange, foot mounting, screw thread.

Product Application

Company Show

HETLOCK is a professional manufacturer of hydraulic cylinders in China, Founded in 1998, located in the international city of ZheJiang . Our plant is nearly 20000 square meter& We have 135 Employees including 11 experienced engineers and technical staff,More than 1800 type of hydraulic cylinder designed in every year. We can produce various kinds of hydraulic cylinders according to customer requirements.
The inside diameter of hydraulic cylinders can achieve the maximum 2500mm;
The hydraulic cylinders operating pressure can achieve the maximum 300MPa.

FAQ

Q1:Are you a manufacturer or trading company?
A: We are a manufacturer.

Q2: How many years of production experience do you have?
A: We have over 20 years of production experience.

Q3: Can it be customized?
A: Both standard and non-standard products can be customized.

Q4: How to ensure product quality?
A: We strictly follow the quality process for production and 100% inspection of each batch of products.

Q5: What services can you provide?
A: According to customer requirements, we can provide a one-stop solution from design, production, and delivery to meet their needs.

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

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hydraulic cylinder

How does a hydraulic ram contribute to controlled and precise movement?

A hydraulic ram plays a crucial role in enabling controlled and precise movement. Here's a detailed explanation:

1. Hydraulic Fluid: Hydraulic rams operate by utilizing hydraulic fluid, which acts as a medium for transmitting force. The fluid is incompressible, allowing force to be evenly distributed throughout the system. This property ensures that the movement of the ram is smooth and consistent, contributing to controlled and precise motion.

2. Flow Control: Hydraulic rams incorporate flow control mechanisms to regulate the rate of fluid flow. Flow control valves, such as throttle valves or flow restrictors, can be used to adjust the speed at which the fluid enters or exits the ram. By controlling the flow rate, the speed of the ram's movement can be precisely managed, enabling controlled and precise motion.

3. Pressure Regulation: The hydraulic pressure within the system directly influences the force output and speed of the hydraulic ram. By controlling the pressure using pressure control valves or regulators, the movement of the ram can be finely tuned. Adjusting the pressure allows for precise control over the force applied by the ram, resulting in controlled and precise movement.

4. Piston and Cylinder Design: The design of the piston and cylinder in a hydraulic ram contributes to controlled and precise movement. The fit between the piston and cylinder is designed to minimize leakage and ensure smooth operation. This tight clearance helps maintain accurate positioning and prevents unwanted movement or drift, allowing for precise control over the ram's motion.

5. Proportional Control Systems: Advanced hydraulic ram systems can incorporate proportional control systems that enable precise movement control. These control systems use sensors and feedback mechanisms to monitor and adjust the position, speed, and force of the ram in real-time. By continuously adapting to changing conditions, the control system ensures precise and accurate movement, even in complex applications.

6. Position Sensing: Hydraulic rams can be equipped with position sensing devices, such as linear transducers or encoders, to provide feedback on the ram's position. This feedback allows for precise positioning of the ram and ensures accurate movement control. The position sensing information can be used in conjunction with control systems to achieve the desired level of precision in the ram's motion.

Through the use of hydraulic fluid, flow control mechanisms, pressure regulation, piston and cylinder design, proportional control systems, and position sensing devices, hydraulic rams contribute to controlled and precise movement. These features make hydraulic rams well-suited for applications that require accurate positioning, gradual motion, or precise force application.

Can hydraulic rams be applied in both mobile and stationary machinery?

Yes, hydraulic rams can be applied in both mobile and stationary machinery. Here's a detailed explanation:

Hydraulic rams are versatile components that find applications in various industries and machinery types. Their ability to generate and transmit high forces makes them suitable for a wide range of mobile and stationary applications.

1. Mobile Machinery: Hydraulic rams are commonly used in mobile machinery, such as construction equipment, agricultural machinery, material handling vehicles, and transportation vehicles. In these applications, hydraulic rams are utilized for tasks such as lifting, pushing, pulling, tilting, and steering. Mobile machinery often requires compact and efficient power systems, and hydraulic rams provide the necessary force multiplication capabilities while being adaptable to different operational conditions.

2. Stationary Machinery: Hydraulic rams are also extensively employed in stationary machinery across various industries. Examples include hydraulic presses, industrial robots, machine tools, hydraulic lifts, and heavy-duty equipment. In stationary machinery, hydraulic rams are utilized for precision positioning, applying controlled force, clamping, bending, or pressing operations. The ability to control and adjust the force, speed, and position of hydraulic rams makes them ideal for applications that require accurate and repeatable motion.

3. Common Applications: Hydraulic rams can be found in a wide range of specific applications. For mobile machinery, this may include the hydraulic cylinders used in excavators to control the boom, arm, and bucket movements. In stationary machinery, hydraulic rams are often employed in hydraulic presses for metal forming, hydraulic clamps for workholding, or hydraulic actuators for precise motion control. The flexibility of hydraulic rams allows for customization to suit specific requirements in diverse industries.

4. Advantages in Both Mobile and Stationary Machinery: The use of hydraulic rams provides several advantages in both mobile and stationary machinery. These include high force output, adjustable force and speed, smooth operation, compact design, reliability, and durability. Hydraulic systems offer efficient power transmission and can be easily integrated into different machinery designs, making them a popular choice in a wide range of applications.

Overall, hydraulic rams can be effectively applied in both mobile and stationary machinery, offering the benefits of force multiplication, precise control, and adaptability to diverse operational requirements.

hydraulic cylinder

Can hydraulic rams be used in agricultural machinery for various tasks?

Yes, hydraulic rams are extensively used in agricultural machinery for various tasks. Here's a detailed explanation:

1. Implements Control: Hydraulic rams play a crucial role in controlling and manipulating agricultural implements. Tractors, harvesters, and other agricultural machinery often use hydraulic rams to raise, lower, tilt, or adjust the position of implements such as plows, cultivators, seeders, and sprayers. The hydraulic rams provide the necessary force and control to optimize the performance and efficiency of these implements, allowing farmers to effectively prepare the soil, plant seeds, apply fertilizers, and perform other essential tasks.

2. Load Handling: Agricultural machinery often requires the ability to handle heavy loads. Hydraulic rams are employed in equipment like loaders, telehandlers, and forklifts used in agriculture to lift, lower, and manipulate loads such as bales, pallets, and containers. The hydraulic rams provide the lifting force required to handle these loads efficiently, enabling farmers to transport and stack agricultural materials with ease.

3. Steering and Braking: Hydraulic rams are utilized in the steering and braking systems of agricultural machinery. For example, hydraulic rams are employed in power steering systems to assist in turning the wheels of tractors or other agricultural vehicles. Hydraulic rams are also used in braking systems to transmit hydraulic pressure and force to actuate the brakes, ensuring safe and reliable stopping of agricultural machinery.

4. Suspension Systems: Agricultural machinery often operates in challenging terrains, and hydraulic rams are employed in suspension systems to provide a smooth and stable ride. Hydraulic rams absorb shocks and vibrations, improving operator comfort and reducing stress on the machinery. Suspension systems equipped with hydraulic rams ensure better traction, stability, and maneuverability, allowing agricultural machinery to operate effectively in uneven or rough terrain.

5. Bale Handling and Wrapping: Hydraulic rams are extensively used in bale handling and wrapping equipment. For instance, in baling machines, hydraulic rams compress and form bales of crops such as hay or straw. Hydraulic rams are also employed in bale wrappers to apply pressure and secure the wrapping material around the bales. These hydraulic ram-powered systems enhance the efficiency of bale handling and wrapping processes in agriculture.

6. PTO Control: Power Take-Off (PTO) systems are commonly found in agricultural machinery to transfer mechanical power from the engine to various attached implements. Hydraulic rams are utilized in PTO control systems to engage or disengage the PTO shaft, allowing farmers to selectively power specific implements as needed. The hydraulic rams provide the necessary force and control for smooth and precise PTO operation.

7. Custom Applications: Apart from the above-mentioned tasks, hydraulic rams can be customized and utilized in various other agricultural applications based on specific requirements. Their versatility and adaptability make them suitable for tasks such as gate opening/closing, livestock feeding systems, environmental control systems, and more.

In summary, hydraulic rams find extensive use in agricultural machinery for a wide range of tasks, including implements control, load handling, steering and braking, suspension systems, bale handling and wrapping, PTO control, and custom applications. Their ability to provide force, control, and versatility makes hydraulic rams an essential component in enhancing the efficiency and functionality of agricultural machinery.

hydraulic cylinder

How does a hydraulic ram handle variations in hydraulic pressure?

A hydraulic ram is designed to handle variations in hydraulic pressure through the use of specific components and mechanisms. Here's a detailed explanation:

1. Air Vessel: The air vessel, also known as the air chamber or air dome, is a crucial component in a hydraulic ram. It contains compressed air, which acts as a cushioning medium. When the hydraulic ram is in operation, variations in hydraulic pressure cause fluctuations in water flow. The air vessel absorbs these pressure fluctuations by compressing or expanding the air inside it. This helps maintain a more constant and steady flow of water through the ram.

2. Valve Mechanism: The valve mechanism in a hydraulic ram plays a significant role in handling variations in hydraulic pressure. During the drive phase, the valve opens, allowing water to enter the ram. As the water flows in, it gains velocity and momentum. When the hydraulic pressure reaches a certain threshold, the valve closes rapidly, creating a water hammer effect.

This water hammer effect generates a high-pressure pulse that lifts a portion of the water to a higher elevation. The valve opening and closing are controlled by the pressure differentials and the design of the valve mechanism. This mechanism helps regulate and stabilize the hydraulic pressure within the ram, enabling it to handle variations in pressure.

3. Waste Valve (Optional): Some hydraulic ram designs incorporate a waste valve. The waste valve serves as a safety mechanism to handle excessive pressure build-up. If the pressure inside the ram becomes too high, the waste valve opens, allowing excess water or air to escape. This prevents damage to the hydraulic ram and ensures its safe operation.

4. Seals and Gaskets: Seals and gaskets are essential components that prevent leakage of water or air from the hydraulic ram. They help maintain the necessary pressure differentials and ensure that variations in hydraulic pressure are effectively managed. By preventing leaks, the seals and gaskets contribute to the overall efficiency and performance of the hydraulic ram.

By utilizing these components and mechanisms, a hydraulic ram can effectively handle variations in hydraulic pressure. The air vessel, valve mechanism, optional waste valve, and sealing elements work together to maintain a stable flow and prevent damage to the ram, ensuring its reliable and efficient operation.

China Professional Tie Rod 20 Ton 3 Stage Hydraulic RAM   vacuum pump	China Professional Tie Rod 20 Ton 3 Stage Hydraulic RAM   vacuum pump
editor by CX 2024-03-10