Product Description

3000PSI Cromed Rod Welded Hydraulic Ram for Industrial Earthmoving Machinery

About Our Company

HangZhou GD Machinery Co., Ltd. is a specialized manufacturer and trader with main products: hydraulic cylinders, hydraulic power units, hydraulic manifolds-blocks, hydraulic flanges,pneumatic cylinders and custom-made components and parts, like industrial valves.

Our sales markets have covered our sales markets have covered North America, Europe, Australia and Japan.

Draft for Welded Hydraulic Ram for Earthmoving Machinery

The Process Flow of Welded Hydraulic Ram for Earthmoving Machinery

The Machinery to Produce Welded Hydraulic Ram for Earthmoving Machinery

The Packing for Welded Hydraulic Ram for Earthmoving Machinery

Welcome to send us a quotation. We'd like to give you the best survice.

Certification: ISO9001
Pressure: 2500psi
Work Temperature: Normal Temperature
US$ 100/Piece
1 Piece(Min.Order)


Order Sample



.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

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

How does a hydraulic ram contribute to energy-efficient force generation?

A hydraulic ram plays a significant role in energy-efficient force generation. Here's a detailed explanation:

1. Force Multiplication: One of the key advantages of a hydraulic ram is its ability to multiply force. Hydraulic rams utilize the principle of Pascal's law, which states that pressure exerted on a fluid in a confined space is transmitted equally in all directions. By applying a relatively small force to a small piston or plunger, hydraulic rams can generate a significantly larger force at a larger output piston or plunger. This force multiplication allows for the efficient generation of high forces with relatively low input forces, resulting in energy savings.

2. Power Transmission: Hydraulic rams are part of a hydraulic system that efficiently transmits power from a prime mover, such as an electric motor or an internal combustion engine. The hydraulic system uses pressurized fluid to transmit power through pipelines to the hydraulic ram. The fluid acts as a medium to transfer energy from the prime mover to the ram. Hydraulic systems have high power transmission efficiency, minimizing energy losses during power transfer. This efficiency contributes to energy-efficient force generation in hydraulic rams.

3. Variable Force and Speed Control: Hydraulic rams offer the ability to control and adjust the force and speed of operation. By regulating the flow of hydraulic fluid into the ram, the force exerted by the ram can be precisely controlled. This allows for matching the force output to the specific requirements of the task at hand, avoiding unnecessary energy consumption. Additionally, the speed of the ram can be adjusted by controlling the flow rate of the hydraulic fluid. By optimizing the force and speed of operation, hydraulic rams ensure energy-efficient force generation.

4. Regenerative Energy: Hydraulic systems can incorporate regenerative circuits to capture and reuse energy that would otherwise be wasted. Regenerative circuits allow the hydraulic fluid, which carries potential energy, to flow back into the system after completing a task. This energy can be stored or redirected for future use, reducing the overall energy consumption of the hydraulic system. By implementing regenerative circuits, hydraulic rams contribute to energy efficiency by harnessing and recycling energy that would have otherwise been dissipated.

5. Compact Design and Light Weight: Hydraulic rams are compact and lightweight compared to other force generation mechanisms. Their compact design reduces the amount of material required for construction, resulting in lower energy consumption during the manufacturing process. The lightweight nature of hydraulic rams also contributes to reduced energy requirements for transportation and installation. The combination of compact design and light weight makes hydraulic rams an energy-efficient choice for force generation in various applications.

6. System Integration: Hydraulic rams can be easily integrated into complex hydraulic systems, allowing for efficient overall system design. The integration of hydraulic rams with other components, such as valves, pumps, and accumulators, enables precise control and optimization of the force generation process. Proper system design and integration ensure that hydraulic rams operate at their highest efficiency, minimizing energy waste and maximizing force generation capabilities.

In summary, hydraulic rams contribute to energy-efficient force generation through force multiplication, efficient power transmission, variable force and speed control, regenerative energy utilization, compact design and light weight, as well as system integration. These features make hydraulic rams a preferred choice in applications where energy efficiency and precise force generation are essential.

hydraulic cylinder

What is a hydraulic ram and how does it work?

A hydraulic ram is a type of water pump that utilizes the energy of flowing water to lift a portion of that water to a higher elevation. Here's a detailed explanation of its working principle:

A hydraulic ram consists of several key components:

  • Drive Pipe: The drive pipe is connected to a water source, such as a stream or a river. It carries the flowing water that provides the energy for the hydraulic ram.
  • Delivery Pipe: The delivery pipe carries the water from the hydraulic ram to the desired destination at a higher elevation.
  • Valve: The valve controls the flow of water within the hydraulic ram.
  • Air Vessel: The air vessel acts as an accumulator and helps maintain a constant flow of water.

The working principle of a hydraulic ram can be summarized in the following steps:

1. Water Flow: The hydraulic ram is installed in a location where there is a natural flow of water. As water flows through the drive pipe, it enters the hydraulic ram.

2. Water Hammer Effect: The flowing water gains momentum and velocity as it enters the hydraulic ram. When the water flow is abruptly stopped by the valve, the kinetic energy of the moving water is converted into pressure energy, creating a water hammer effect.

3. Valve Operation: The sudden increase in pressure due to the water hammer effect forces the valve to close, preventing the backward flow of water. This closure allows the pressure to build up in the hydraulic ram.

4. Air Vessel Operation: As the pressure builds up, it compresses the air in the air vessel. The compressed air acts as a cushion, absorbing the pressure fluctuations and maintaining a constant flow of water.

5. Delivery Phase: Once the pressure reaches a certain threshold and the valve closes, the compressed air in the air vessel pushes the water through the delivery pipe, lifting a portion of the water to a higher elevation.

6. Valve Reopening: As the water is pushed out through the delivery pipe, the pressure in the hydraulic ram decreases. This causes the valve to reopen, allowing the cycle to repeat.

7. Continuous Operation: The hydraulic ram operates continuously as long as there is a steady flow of water in the drive pipe. It uses the energy of the flowing water to lift a smaller portion of that water to a higher elevation, without the need for external power sources.

Hydraulic rams are commonly used in areas with a reliable water source and a need for pumping water to a higher elevation. They are particularly useful in remote locations or off-grid settings, where conventional power sources may not be readily available.

China manufacturer 3000psi Cromed Rod Welded Hydraulic RAM for Industrial Earthmoving Machinery   manufacturer China manufacturer 3000psi Cromed Rod Welded Hydraulic RAM for Industrial Earthmoving Machinery   manufacturer
editor by CX 2023-12-06