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Rear Pin Type Metallurgical Hydraulic Cylinder

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Rear Pin Type Metallurgical Hydraulic Cylinder

The rear pin type metallurgical hydraulic cylinder is a high-performance component explicitly designed for metallurgical applications. With its robust construction, precise control, and reliable operation, this hydraulic cylinder is designed to meet the demanding requirements of the metallurgical industry. Rear pin type cylinders offer superior performance and efficiency when used in steel mills, foundries, or other metallurgical processes.

Y-HG1 series of metallurgical equipment hydraulic cylinder for the double acting piston cylinder, cylinder diameter is generally in the range of 40~320mm, the working pressure <=16MPA, the hydraulic oil mechanical system can be used to lose emulsion and other working media, the installation of the flange, earrings, pins, trippers (base) and different types.

High precision CNC honing machine, automatic welding machine, vertical, horizontal machining center, gantry machining center, CNC lathe, and other processing equipment, product quality is stable and guaranteed.

Rear Pin Type Metallurgical Hydraulic Cylinder Parameter:

Rear Pin Type Metallurgical Hydraulic Cylinder Usage Method:

  1. Mounting and Installation:
    • According to the specific requirements of metallurgical equipment, determine the appropriate installation position of the hydraulic cylinder.
    • Ensure that the mounting surface is clean, flat, and can withstand the weight and load of the cylinder.
  2. Connection to Hydraulic System:
    • Connect the metallurgical hydraulic cylinder to the hydraulic system using a compatible hydraulic hose or pipe.
    • Ensure proper alignment and secure connections to prevent leaks and ensure optimal performance.
  3. System Integration and Calibration:
    • Integrate hydraulic cylinders into metallurgical equipment or systems according to manufacturer’s guidelines.
    • Calibrate the system to achieve desired operating parameters and ensure proper operation.
  4. Operating the Cylinder:
    • Activate the hydraulic system. Pressure is applied to initiate the movement of the hydraulic cylinder.
    • The hydraulic control system controls cylinder extension, contraction, and positioning for efficient metallurgical operations.

Rear Pin Type Metallurgical Hydraulic Cylinder Characteristics:

  • Rear Pin Type Design:  The back pin design provides a safe and reliable connection point, ensuring operational stability and accurate alignment in the metallurgical process.
  • Metallurgical Application Focus:  The cylinders are precision designed to meet the exacting requirements of metallurgical applications, providing durability and high performance under extreme conditions.
  • Precision Control:  The cylinders allow precise control and positioning, enabling the operator to achieve accurate and efficient metallurgical operations.
  • Robust Construction: Hydraulic cylinders are made of high-quality materials that withstand heavy loads, extreme temperatures, and harsh operating conditions.
  • Efficient Energy Conversion: The cylinder utilizes advanced hydraulic technology to convert hydraulic energy into mechanical force with high efficiency, optimizing productivity in metallurgical processes.

How To Rebuild Hydraulic Cylinder?

Rebuilding a hydraulic cylinder can help restore its performance and extend its lifespan. While the process can vary depending on the specific design of the cylinder, here are general steps to guide you through the rebuild process. It’s important to note that hydraulic cylinder rebuilding requires technical knowledge and experience, and it’s recommended to consult a professional or refer to the manufacturer’s guidelines for your specific cylinder model.

  1. Safety Precautions:
    • Ensure the hydraulic system is depressurized and the cylinder is isolated from the power source.
    • Wear appropriate safety gear, such as gloves and safety glasses, to protect yourself from potential hazards.
  2. Disassembly:
    • Remove the hydraulic cylinder from the equipment or machinery.
    • Carefully disassemble the cylinder, following the manufacturer’s guidelines and taking note of the order of the components.
  3. Inspection and Cleaning:
    • Thoroughly inspect all cylinder components for wear, damage, or signs of failure.
    • Clean the cylinder components using an appropriate solvent to remove dirt, debris, and old hydraulic fluid.
  4. Replacement of Seals and O-Rings:
    • Identify and replace the seals, O-rings, and other worn or damaged sealing elements.
    • Ensure the new seals and O-rings are compatible with the hydraulic fluid and operating conditions.
  5. Piston and Rod Maintenance:
    • Inspect the piston and piston rod for wear, scoring, or damage.
    • If necessary, polish or replace the piston rod to ensure smooth operation.
    • Lubricate the piston and rod with a suitable hydraulic fluid or lubricant.
  6. Cylinder Barrel Inspection:
    • Inspect the interior surface of the cylinder barrel for scoring, corrosion, or other damage.
    • The cylinder barrel may need to be honed or replaced if significant damage is present.
  7. Reassembly:
    • Carefully reassemble the cylinder, following the reverse order of disassembly.
    • Apply a thin layer of hydraulic fluid or lubricant to the seals and O-rings for easy assembly and improved sealing.
  8. Testing and Reinstallation:
    • Perform a pressure test to ensure the rebuilt cylinder functions appropriately and does not leak.
    • Reinstall the hydraulic cylinder into the equipment or machinery, ensuring proper alignment and secure connections.
  9. Fluid Replacement and System Bleeding:
    • Replace the hydraulic fluid with fresh fluid, following the manufacturer’s recommendations.
    • Bleed the hydraulic system to remove trapped air, ensuring proper operation and performance.

Capability & Capacity Of Factory:

(1) Assembly

We have a first-class independent research and development assembly platform. The hydraulic cylinder production workshop has four semi-automatic lifting cylinder assembly lines and one automatic tilt cylinder assembly line, with a designed annual production capacity of 1 million pieces. The special cylinder workshop is equipped with various specifications of a semi-automatic cleaning assembly system with a designed annual production capacity of 200,000 and equipped with famous CNC machining equipment, a machining center, a high-precision cylinder processing special equipment, a robot welding machine, an automatic cleaning machine, automatic cylinder assembly machine, and automatic painting production line. Existing critical equipment of more than 300 sets (sets). The optimal allocation and efficient use of equipment resources ensure the accuracy requirements of products and meet the high-quality needs of products.

(2) Machining

The machining shop is equipped with a customized inclined rail turning center, machining center, high-speed honing machine, welding robot, and other related equipment, which can handle the processing of cylinder tubes with a maximum inner diameter of 400mm and a maximum length of 6 meters.

(3) Welding

(4) Painting & coating

With small and medium-sized cylinder automatic water-based paint coating lines, to achieve automatic robot loading and unloading and automatic spraying, the design capacity of 4000 pieces per shift;
We also have a semi-automatic paint production line for large cylinders powered by a power chain, with 60 cases per shift design capacity.

(5) Testing

We have first-class inspection facilities and test beds to ensure that the performance of the cylinder meets the requirements.



We are one of the best metallurgical hydraulic cylinder manufacturers. We can offer comprehensive metallurgical hydraulic cylinder stock. We also provide corresponding agricultural gearboxes. We have exported our products to clients worldwide and earned a good reputation because of our superior product quality and after-sales service. We welcome customers at home and abroad to contact us to negotiate business, exchange information, and cooperate with us!

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