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Pistion Rod End Is Connected With Internal Thread Engineering Hydraulic Cylinder

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Pistion Rod End Is Connected With Internal Thread Engineering Hydraulic Cylinder

The piston rod end connected with an internal thread hydraulic cylinder is a versatile and reliable hydraulic component used in various industrial applications. This specialized engineering hydraulic cylinder design features an inner threaded hole or socket at the piston rod end, allowing for easy attachment of external components or load-bearing structures with matching external threads.

HSG series engineering hydraulic cylinder is a double-acting piston rod hydraulic cylinder. The installation method adopts earring type; according to the connection method of cylinder head and cylinder block, there are three kinds of external thread connection, internal card critical connection, and flange connection. Engineering hydraulic cylinder is mainly used in construction, lifting, mining, and other hydraulic systems.

HSG Engineering Hydraulic Cylinder Parameter:

Usage Method Of HSG Engineering Hydraulic Cylinder:

  1. Identify the Internal Thread:
    • Determine specifications for internal threads, including manufacturer-specified dimensions, pitch, and type.
    • Use a thread gauge or caliper to measure the internal threads to ensure compatibility with the external threads of the component to be installed.
  2. Select Compatible Components:
    • Select external components or load-bearing structures with external threads matching the specifications of the internal threads at the end of the piston rod.
    • Ensure that external components are clean, undamaged, and comply with hydraulic system requirements.
  3. Thread Connection:
    • Align the external threaded portion of the assembly with the internal threaded hole/socket at the end of the piston rod.
    • Rotate the component clockwise to engage the threads.
    • Hand-tighten the connection until it is snugly fit.
  4. Secure the Connection:
    • Tighten the connection further with a suitable tool, such as a wrench or wrench, to ensure the connection is secure.
    • Be careful not to over-tighten as it may damage threads or components.

Features Of HSG Engineering Hydraulic Cylinder:

  • Internal Threaded Hole/Socket: The piston rod end has an internal threaded hole or socket to provide a safe and convenient connection to external components.
  • Versatility:  Internal threads allow the connection of different components or load-bearing structures, providing flexibility for various hydraulic system Settings.
  • Durable Construction:  Hydraulic cylinders are manufactured from high-quality materials to ensure durability and long-lasting performance in demanding environments.
  • Precise Thread Specifications:  The internal threads of the piston rod ends are manufactured to exact specifications, ensuring compatibility with a range of external components for easy installation.

How To Disassemble A John Deere Hydraulic Cylinder?

To disassemble a John Deere hydraulic cylinder, follow these general steps:

  1. Preparation:
    • Ensure that the hydraulic system is depressurized and the cylinder is retracted.
    • Gather the necessary tools for disassembly, such as wrenches, pliers, and a rubber mallet.
    • Place a clean workspace or bench with adequate space to organize and handle the cylinder components.
  2. Remove External Connections:
    • Identify the hydraulic hoses, fittings, or other external connections attached to the cylinder.
    • Use the appropriate tools to loosen and disconnect these connections, preventing hydraulic fluid leakage.
    • Cap or plug the open ends of the hydraulic lines to prevent contamination.
  3. Secure the Cylinder:
    • Place the cylinder securely in a vise or similar holding fixture, not damaging the cylinder body or rod.
  4. Remove the Rod End Cap:
    • Locate the rod end cap, typically at the end of the cylinder opposite the piston.
    • Use the appropriate wrench or socket to loosen and remove the bolts securing the rod end cap.
    • Tap the end cap gently with a rubber mallet to break any seal or adhesive bond.
  5. Separate the Rod and Piston Assembly:
    • Once the rod end cap is removed, carefully slide the rod and piston assembly out of the cylinder body.
    • Support the weight of the assembly to prevent it from falling or causing damage.
  6. Disassemble the Rod and Piston Assembly:
    • Examine the rod and piston assembly for retaining rings, snap rings, or other controlling devices.
    • Use appropriate tools such as pliers or snap ring pliers to remove these retaining devices, allowing the assembly disassembly into its components.
    • Take note of the order and orientation of each component for reassembly.
  7. Inspect and Clean:
    • Inspect all the disassembled components for wear, damage, or signs of leakage.
    • Clean each component thoroughly using an appropriate solvent or cleaning agent to remove dirt, debris, and hydraulic fluid residue.
    • Dry the components entirely before reassembly.
  8. Reassembly:
    • Reverse the disassembly steps, following the correct order and orientation of components.
    • Apply a thin layer of clean hydraulic fluid or recommended lubricant to the seals and moving parts during reassembly.
    • Ensure all components fit together correctly and are tightened to the manufacturer’s specifications.

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

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