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Rotary Drilling Luffing Cylinder

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Rotary Drilling Luffing Cylinder

The rotary drilling luffing cylinder is a vital component designed to optimize the performance of rotary drilling equipment. This hydraulic cylinder plays a crucial role in the luffing mechanism, which is responsible for raising and lowering the drilling mast or boom, enabling precise positioning and efficient drilling operations.

The rotary drilling luffing cylinder is a critical component that enhances efficiency and precision in drilling operations. With its robust construction, hydraulic power and control, adjustable luffing range, and smooth movements, this hydraulic cylinder enables operators to position the drilling mast or boom accurately and achieve optimal drilling performance. By following proper usage methods and adhering to recommended maintenance practices, operators can maximize the lifespan and reliability of the rotary drilling luffing cylinder, leading to safe and efficient drilling operations. Choose this indispensable hydraulic component to optimize your drilling equipment and achieve superior results.

Rotary Drilling Luffing Cylinder Key Characteristics:

  1. Robust Construction and Durability:
  • The rotary drilling luffing cylinder is constructed with high-quality materials, ensuring exceptional strength and durability.
  • It can withstand the demanding conditions encountered in drilling operations, including heavy loads, vibrations, and harsh environments.
  1. Hydraulic Power and Control:
  • This cylinder operates through a hydraulic control system, utilizing hydraulic power to drive the luffing mechanism.
  • The hydraulic control ensures precise and responsive movement of the drilling mast or boom, allowing for accurate positioning and control.
  1. Adjustable Luffing Range:
  • The rotary drilling luffing cylinder provides an adjustable range, enabling operators to position the drilling equipment at the desired angle or height.
  • This flexibility allows for versatile drilling operations, accommodating various ground conditions and requirements.
  1. Smooth and Controlled Movements:
  • The cylinder’s design and hydraulic control system ensure smooth and controlled movements during luffing operations.
  • This precise control allows operators to maintain stability and accuracy while positioning the drilling mast or boom.

Rotary Drilling Luffing Cylinder Parameter:

Product Name Rotary Drilling Luffing Cylinder
Features: Control the luffing angle, adjust the distance between the mast and the host
Bore diameter: 125mm~250mm
Rod diameter: 90mm~160mm
Stroke≤1640 mm
Pressure: up to 32MPa
Luffing Cylinder Applications: Rotary Drilling

Rotary Drilling Luffing Cylinder Identification Diagram:

Usage Method Of Rotary Drilling Luffing Cylinder:

  1. Familiarize with Controls and Safety Guidelines:
  • Before operating the rotary drilling equipment, operators should thoroughly familiarize themselves with the controls and safety guidelines provided by the equipment manufacturer.
  • Ensure compliance with all safety procedures and precautions to promote safe and efficient drilling operations.
  1. Luffing Control:
  • Use the control mechanism, such as a joystick or control panel, to activate the Rotary Drilling Luffing Cylinder.
  • Apply the appropriate control input to raise or lower the drilling mast or boom to the desired position.
  • The cylinder will translate the hydraulic power into the required force to move the equipment smoothly and precisely.
  1. Positioning and Stability:
  • Adjust the luffing range and position of the drilling mast or boom according to the specific drilling requirements and ground conditions.
  • Maintain stability during luffing operations to ensure safe and accurate drilling performance.
  • Regularly monitor the position of the equipment and make adjustments as necessary to maintain the desired drilling angle or height.

How To Bleed Air From A Hydraulic System?

Bleeding air from a hydraulic system is an important procedure to ensure optimal performance and prevent issues such as sponginess in the hydraulic components. Here’s a step-by-step guide on how to bleed air from a hydraulic system:

  1. Identify Air in the System:
    • Check for symptoms of air in the hydraulic system, such as spongy pedal or lever feel, reduced braking or steering performance, or unusual noises.
    • Confirm air presence by inspecting the fluid level in the reservoir. Air bubbles or frothy appearance indicate air in the system.
  2. Prepare the System:
    • Ensure the hydraulic system is turned off and at a safe temperature to avoid potential injuries.
    • Locate the bleed valves or fittings in the hydraulic system. These are typically found near the highest points of the system or at components prone to air entrapment, such as calipers or cylinders.
  3. Gather Necessary Tools:
    • Depending on the system, you may need a wrench, socket set, or specialized bleed kit.
    • Prepare a container to catch any fluid that may be expelled during the bleeding process.
  4. Start Bleeding Process:
    • Begin with the hydraulic component closest to the reservoir and work your way towards the farthest component.
    • Locate the bleed valve or fitting on the first component and position the container to catch the fluid.
  5. Open the Bleed Valve:
    • Using the appropriate tool, slowly open the bleed valve or fitting.
    • As fluid is released, air bubbles will escape from the system.
  6. Purge the Air:
    • To purge the air, activate the hydraulic system by pressing the brake pedal, operating the hydraulic lever, or engaging the system as required.
    • Repeat this process multiple times, holding the pedal or lever down for a few seconds before closing the bleed valve.
  7. Close the Bleed Valve:
    • Once a steady stream of fluid without air bubbles is observed, close the bleed valve or fitting firmly.
    • Ensure it is properly tightened to prevent any leaks.
  8. Check Fluid Level:
    • Monitor the fluid level in the reservoir during the bleeding process.
    • Top up the fluid as needed to maintain the recommended level.
  9. Repeat for Other Components:
    • Move to the next hydraulic component in the system and repeat the bleeding process.
    • Follow the same steps until all components have been bled.
  10. Test the System:
    • After bleeding all components, test the hydraulic system to ensure proper operation.
    • Verify that the pedal or lever feels firm and responsive, and that the system functions as expected.

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 hydraulic cylinder manufacturers. We can offer comprehensive hydraulic cylinders. 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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