JX Petro Sucker Rods, Drive Rods and Pony Rods are manufactured from micro-alloyed, modified special quality hot rolled carbon or alloy steel. Bar and sucker rod dimensions and tolerances conform to API Spec 11B, latest edition, and AISI Steel Products Manual. It is used to connect the pumping unit on the ground and PCP. Sucker rod is an important part in the oil production system. Different grades of sucker rod has features of high strength, non-corrosive medium, good tensile and long service life.
Sucker Rods, Drive Rods and Pony Rods are manufactured from micro-alloyed, modified special quality hot rolled carbon or alloy steel. Bar and sucker rod dimensions and tolerances conform to API Spec 11B, latest edition, and AISI Steel Products Manual.
Sucker rods are available in 5/8″ (15.88 mm), 3/4″ (19.05 mm), 7/8″ (22.23 mm), 1″ (25.40 mm) and 1 1/8″ (28.58 mm).
Drive Rods for Progressing Cavity Pump application are available in 1″ (25.40 mm), 1 1/4″ (31.75 mm), and 1 1/2″ (38.10 mm) body diameter and in 25′ (7.62 m) lengths.
1. All rods are straightened and inspected by Eddy Current/magnetic for surface defects.
2. Both ends are upset by automatic high-speed hot forging. Rods are full length normalized to relieve residual stresses, air-quenched, and tempered to refine and homogenize grain structure, and surface nor peened to remove any remaining heat treat scale.
3. All rods are also nor peened to improve fatigue life. Upset pin blanks are machined and dimensions gauged. Pin threads are cold-formed to strengthen the thread from fatigue.
4. An inhibitor-lubricant is applied to each pin and thread protector installed.
5. An oil soluble coating protects rods from atmospheric corrosion in storage.
6. All rods are bundled to prevent handling damage duringtransportation to the well location.
7. Quality control inspections are performed at each step of the manufacturing process.
Dimension table :
Sucker Rod & Pony Rod
|Sucker Rod Nominal Value (mm)||Sucker Rod Nominal Value
|Rod Body diameter
|Wrench Square width
|Wrench Square Length
|API sucker rod length with coupling (mm/ft)|
Drive Rod & Pony Rod
|Sucker Rod Nominal Value (mm)||Sucker Rod Nominal Value
|Rod Body diameter
|Rod End Size
|Rod End Size
|Length of Finished Product (mm)||Length of Finished Product (ft)|
|Grade||Tensile strength MPa||Yield strength MPa||Percentage elongation %||Contraction percentage of area %|
|C||620 – 795||≥ 415||≥ 13||≥ 50||Scuker rod|
|K||620 – 795||≥ 415||≥ 13||≥ 60||Scuker rod|
|D||795 – 965||≥ 590||≥ 10||≥ 50||Scuker rod & Drive Rod|
|KD||795 – 965||≥ 590||≥ 10||≥ 50||Scuker rod & Drive Rod|
|HL||965 – 1195||≥ 795||≥ 10||≥ 45||Scuker rod & Drive Rod|
|HY||965 – 1195||N/M||N/M||N/M||Scuker rod & Drive Rod|
Chemical Composition of Common Sucker Rod Material
Packaging & Shipping
|Sucker Rod Weight List|
- Metal pallet for saving space and convenient to transport.
- Plastic paper covering the sucker rod and metal box covering the rod head and then metal pallet for better corrosion and abrasion resistance.
- Pallet size (L × W× H):
- 7930mm × 550mm × 330mm
- 8300mm × 550mm × 330mm
- 9440mm × 550mm × 330mm
- Container size:
- 40′ GP (40′ general purpose container).
|Dimension||Length Ft.||Pieces/ bundle||Net weight KG||Gross weight KG||Total pieces|
Are There Specific Safety Precautions to Consider When Working with Drive Couplings?
Yes, working with drive couplings requires certain safety precautions to ensure the safety of personnel and the integrity of the equipment. Here are some important safety considerations when dealing with drive couplings:
- Lockout-Tagout (LOTO): Before performing any maintenance or repair work on machinery with drive couplings, it is essential to implement a proper lockout-tagout procedure. This involves isolating and securing the power source and equipment to prevent unexpected startup during the maintenance process. Only authorized personnel should have access to the equipment during LOTO procedures.
- PPE (Personal Protective Equipment): Personnel working on or near drive couplings should wear appropriate personal protective equipment, including safety glasses, gloves, and any other required protective gear. This helps protect against potential hazards such as flying debris or pinch points.
- Proper Installation: During installation, it is crucial to follow the manufacturer’s guidelines and instructions to ensure the drive coupling is correctly aligned and mounted. Proper alignment minimizes stresses on the coupling and associated machinery, reducing the risk of premature failure and potential accidents.
- Regular Inspections: Implement a schedule for regular inspections of drive couplings to identify any signs of wear, misalignment, or damage. Addressing issues early can prevent unexpected failures and reduce the risk of accidents or production downtime.
- Load and Speed Limits: Respect the specified load and speed limits of the drive coupling. Exceeding these limits can lead to catastrophic failures and pose safety risks to personnel and equipment.
- Maintenance by Qualified Personnel: Complex maintenance or repair tasks on drive couplings should be performed by qualified personnel with relevant experience and training. Improper maintenance can compromise the coupling’s performance and lead to safety hazards.
- Temperature Limits: Some drive couplings have temperature limits for safe operation. Ensure that the operating temperature is within the recommended range to avoid material degradation and potential hazards.
- Proper Lubrication: If the drive coupling requires lubrication, use the recommended lubricant and apply it as per the manufacturer’s guidelines. Inadequate or excessive lubrication can impact the coupling’s performance and increase the risk of failure.
- Safe Distance: Keep a safe distance from rotating couplings and rotating machinery to prevent accidental contact with moving parts. Implement barriers or guarding to prevent unintentional access.
Adhering to these safety precautions ensures that working with drive couplings is done safely and efficiently, minimizing the risk of accidents and maintaining the longevity of the equipment.
Exploring the Use of Elastomeric Materials in Flexible Drive Couplings
Elastomeric materials play a vital role in the design and function of flexible drive couplings. These materials are known for their unique properties, including flexibility, resilience, and damping capabilities, making them well-suited for various power transmission applications. Here are some key aspects of elastomeric materials in flexible drive couplings:
- Flexibility: Elastomeric materials, such as natural rubber and synthetic elastomers like polyurethane and neoprene, exhibit high flexibility. This flexibility allows them to deform under load, accommodating misalignments and absorbing shocks and vibrations during operation. The ability to flex helps prevent undue stress on the connected machinery and ensures a smooth and reliable power transmission.
- Damping: Elastomers possess excellent damping characteristics, which means they can absorb and dissipate energy when subjected to torsional vibrations and dynamic loads. This damping property is crucial in minimizing resonance and preventing harmful vibrations from propagating through the system. Couplings with good damping capabilities offer improved system stability and reduced wear on components.
- Resilience: Resilience refers to the ability of elastomeric materials to return to their original shape after being deformed by torque or misalignment. This property ensures that the coupling remains functional even after experiencing temporary overloads or torsional stresses. The resilience of elastomers contributes to the longevity and reliability of the coupling.
- Easy Installation: Elastomeric couplings are often designed with a simple and compact structure, making them easy to install and maintain. Their flexibility allows for quick assembly and disassembly, which can be advantageous during equipment maintenance and repairs.
- Misalignment Compensation: The high flexibility of elastomeric materials allows the coupling to compensate for both angular and parallel misalignments between shafts. This ability to tolerate misalignments without transmitting excessive loads to connected equipment protects the machinery from premature wear and damage.
- Cost-Effectiveness: Elastomeric couplings are generally more cost-effective compared to other types of couplings with elaborate designs. Their simple construction and use of elastomeric materials make them an economical choice for various industrial applications.
Elastomeric materials offer a compelling combination of mechanical properties that make them highly suitable for flexible drive couplings. When selecting a coupling for a specific application, considering the type and characteristics of the elastomeric material used is crucial to ensure the coupling meets the performance requirements and environmental conditions of the system.
Types of Drive Couplings and Their Applications in Various Industries
Drive couplings come in various types, each designed to meet specific application requirements. Depending on the industry and the type of machinery involved, different types of drive couplings are used to optimize power transmission efficiency and reliability. Here are some common types of drive couplings and their applications in various industries:
- Jaw Couplings: Jaw couplings are flexible couplings that use elastomeric inserts to transmit torque. They are commonly used in industrial pumps, compressors, and conveyors. The elastomeric inserts provide shock absorption and vibration dampening, making them suitable for applications where misalignment and vibration are present.
- Gear Couplings: Gear couplings are robust and torsionally rigid couplings that use gear teeth to transmit torque between shafts. They are often used in heavy-duty applications such as steel rolling mills, paper mills, and marine propulsion systems. Gear couplings can handle high torque and misalignments, making them ideal for demanding industrial environments.
- Disc Couplings: Disc couplings use thin metal discs to transmit torque and accommodate misalignment. They are widely used in high-speed applications, such as gas turbines, generators, and test rigs. Disc couplings offer high torque capacity and are known for their torsional stiffness and balance characteristics.
- Grid Couplings: Grid couplings use a grid-like flexible element to transmit torque. They are commonly used in industrial pumps, fans, and compressors. Grid couplings offer excellent shock absorption and misalignment capability, making them suitable for applications where protection against sudden shocks is required.
- Tyre Couplings: Tyre couplings use an elastomeric tyre between two hubs to transmit torque. They are widely used in various industries, including steel, mining, and power generation. Tyre couplings can accommodate misalignments and provide vibration damping, making them versatile for different industrial applications.
- Bellows Couplings: Bellows couplings use a thin-walled metallic bellows to transmit torque and compensate for misalignments. They are commonly used in precision motion control applications, such as robotics, CNC machines, and medical equipment, where minimal backlash and high torsional stiffness are required.
- Universal Joints: Universal joints are used to transmit torque between shafts at an angle. They are commonly found in automotive drivelines, agricultural equipment, and industrial machinery. Universal joints allow angular misalignments and are widely used in applications where rotational movement must be transferred through non-aligned shafts.
The choice of drive coupling type depends on factors such as torque requirements, speed, misalignment, and specific environmental conditions. Each type of coupling has its unique advantages and limitations, and selecting the right coupling for a particular application is crucial for ensuring optimal power transmission and machinery performance in various industries.
editor by CX 2023-09-01