China factory API Pin Box Tool Joint Couplings for Water Well Drill Pipe

Product Description

 

Product Description

API Pin Box Tool Joint Couplings for Water Well Drill Pipe

 

 

1:Tool Joint: NC26, NC31, NC38, NC40, NC46, NC50

2:Type of Tool joint: NC, IF, FH, XH, REG

3:Material: 40CrMo, 35CrMo, 4137H

Tool joints are short sections of pipe that are attached to the tubing portion of drill pipe by means of using a flash welding process. The internally threaded tool joint is called a “box”, while the externally threaded tool joint if the “pin”

All thread are machined by precision CNC lathe and shaping tools, It can not only guarantee the tightness of the drill pipe joint thread, but also guarantee the precision and interchangeability of the drill pipe joint. 
we also can produce drill pipe joints according to customer request.

 

Packaging & Shipping

Packing

1. Drill pipe joint packed in carton or wooden box.

2. Customized packing is accepted.

 

Delivery detail: 15days

 

 

Our Advantages

Before order to be confirmed ,the raw material of pipe body and tool joint should be booked from famous big steel enterprises in China.
Raw material’s size ,quantity,length,mechanical property are checked by our QC staff and factory own laboratory
Before delivery clients could send 1 QC or point the third party to check the quality such SGS,BV or others. 

After Sales Service

 

1. We accept small order, MOQ 1pc.

2. Customized order is accept.

3. Fast and best service, professional guidance.

FAQ

Q: Are you trading company or manufacturer ?

A: We are a professional manufacturer.

Q: How long is your delivery time?

A: Generally it is 10~20 days if the goods are in stock. or it is 20~30 days if the goods are not in stock, it is according to quantity.

Q: Where is your factory located in?

A: Our factory is located in Lu Jiazhuang Industry Zone, JIN ZHOU city, ZheJiang province, China.

Q: What methods of payment are accepted?

A: We agree T/T, L/C,One touch.

Q: What about the shipment?

A: Our usual loading port is Xihu (West Lake) Dis.g port in ZheJiang ,main port in north of China. The goods will be packed into bundle as 3*3,4*4 etc,black painting and thread protectors.

Q: do you agree sample order?

A: Yes, we are welcome your sample order to testing our quality.

Q: Does your drill pipe have rust prevention?

A: Yes, every drill pipe will be with the rust prevention by paint or anti-corrosive oil before shipping and its thread surface will be nitrided.

Q: do you have after-sale service and warranty service?

A: Any quality or quantity problem once confirmed, we will be compensate you the same. Any question or problem we will be reply you within 24 hours.

Q: How about your minimum order quantity?

A: At least 10 pieces.Small orders also can accept.
 

Company Profile

 HangZhou WeiLiDa Prospecting Machinery Co., Ltd. is a professional manufacturer of drill pipe, drilling rig and other drilling tools. Our factory is located in HangZhou, HangZhou . 200 km from the capital ZheJiang . We have good export conditions to ZheJiang port and HangZhou port. Our factory covers an area of 20000 square meters. Its total assets is 50 million yuan.

– Stable raw material purchasing

– Favorable orders follow-up management

– Laudable lead-time & shipment control

– Traceable quality evaluation

– Flexible payment terms

– Remarkable after-sale service

 

 

Standard: RoHS, BS, DIN, JIS, AISI, API
Length: 20cm
Usage: Oil Mining, Coal Mining, Well Drilling, Ore Mining
Material: Carbon Steel
Product Technology: Friction Welding, Nitrading, Tempering Treatment
Product Name: API Pin Box Tool Joint Couplings for Water Well Dr
Samples:
US$ 17/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

China factory API Pin Box Tool Joint Couplings for Water Well Drill Pipe

pin coupling

What Are the Maintenance Requirements for Pin Couplings?

Pin couplings are known for their simplicity and ease of maintenance. Regular maintenance helps ensure the longevity and optimal performance of pin couplings in various mechanical systems. Here are the key maintenance requirements for pin couplings:

  • Lubrication: Most pin couplings require periodic lubrication to reduce friction between the pins and the coupling hubs. Lubrication helps prevent wear and corrosion, ensuring smooth operation.
  • Inspection: Regular visual inspections are essential to identify any signs of wear, misalignment, or damage. Inspecting the pins, coupling hubs, and surrounding components can help detect potential issues early on.
  • Torque Check: It is crucial to periodically check and retighten the bolts or screws that secure the coupling to the shafts. Loose fasteners can lead to misalignment and coupling failure.
  • Alignment: Proper shaft alignment is critical for the effective functioning of pin couplings. Regularly check and adjust the alignment if necessary to minimize wear and vibrations.
  • Environmental Protection: In harsh environments or corrosive conditions, take measures to protect the pin coupling from contaminants or chemicals that could cause damage.
  • Replacement of Worn Components: When any of the coupling components, such as pins or hubs, show signs of significant wear, they should be replaced promptly to prevent further damage.

It is important to follow the manufacturer’s maintenance guidelines and recommendations for the specific type of pin coupling used in the application. Regular maintenance not only ensures the smooth operation of the coupling but also helps prevent unexpected breakdowns and reduces the risk of costly downtime. Proper maintenance can extend the service life of pin couplings and contribute to the overall reliability of the connected equipment.

pin coupling

How Does a Pin Coupling Handle Angular, Parallel, and Axial Misalignment?

A pin coupling is designed to handle different types of misalignment, including angular, parallel, and axial misalignment. The unique construction of pin couplings allows them to accommodate these misalignments without compromising the efficiency and performance of the connected equipment.

1. Angular Misalignment: Angular misalignment occurs when the axes of the driving and driven shafts are not parallel but intersect at an angle. Pin couplings can tolerate angular misalignment because of their flexible and floating pin design. The two coupling halves are connected by a series of pins, which can pivot and move within the pin holes. This flexibility allows the coupling to bend slightly, adjusting to the angle of misalignment between the shafts.

2. Parallel Misalignment: Parallel misalignment happens when the axes of the driving and driven shafts are parallel, but they are laterally displaced from each other. Pin couplings can handle parallel misalignment to some extent due to the floating nature of the pins. The pins can move laterally within the pin holes, allowing the coupling to adapt to the offset between the shafts.

3. Axial Misalignment: Axial misalignment occurs when there is a linear displacement along the axis of one shaft concerning the other. While pin couplings primarily focus on handling angular and parallel misalignment, they may offer limited axial misalignment capabilities. The floating pins provide a small degree of axial movement, but excessive axial misalignment is best avoided to prevent additional stresses on the coupling.

It is important to note that while pin couplings can accommodate some degree of misalignment, excessive misalignment should be avoided to prevent premature wear and potential failure of the coupling and connected equipment. Regular inspection and maintenance can help identify and address any misalignment issues, ensuring the optimal performance and longevity of the pin coupling in power transmission applications.

pin coupling

Selecting the Appropriate Pin Coupling for a Specific Application

Choosing the right pin coupling for a specific application involves considering several factors to ensure optimal performance, reliability, and safety. Here are the key steps to select the appropriate pin coupling:

  1. 1. Determine the Application Requirements: Understand the specific requirements of the application, including torque and speed specifications, shaft sizes, and misalignment tolerances. Consider the operating conditions, such as temperature, humidity, and exposure to corrosive substances.
  2. 2. Calculate Torque and Power: Calculate the torque and power requirements of the application to determine the appropriate pin coupling’s torque capacity. Make sure to consider both steady-state and peak torque loads.
  3. 3. Consider Misalignment Tolerance: Evaluate the degree of misalignment expected in the system. Different pin coupling designs offer varying levels of misalignment tolerance. Choose a coupling that can accommodate the expected misalignment without compromising performance.
  4. 4. Select the Pin Coupling Type: Based on the application requirements, choose the appropriate pin coupling type – single pin, double pin, triangular pin, splined pin, or taper pin coupling. Each type offers different torque capacities and misalignment capabilities.
  5. 5. Check Material and Construction: Consider the materials used in the pin coupling’s construction. Common materials include steel, stainless steel, and alloy materials. The material should be suitable for the application’s environmental conditions and corrosion resistance.
  6. 6. Verify Safety Features: Ensure the selected pin coupling has safety features, such as a fail-safe mechanism to protect equipment from overload or shock loads. Safety is crucial to prevent damage to machinery and ensure operator protection.
  7. 7. Consult with Manufacturers or Engineers: If unsure about the best pin coupling for the application, consult with coupling manufacturers or mechanical engineers. They can provide valuable insights and recommendations based on their expertise.

By following these steps, you can select the appropriate pin coupling that matches the specific needs of the application, providing reliable and efficient power transmission while minimizing the risk of downtime and equipment failure.

China factory API Pin Box Tool Joint Couplings for Water Well Drill Pipe  China factory API Pin Box Tool Joint Couplings for Water Well Drill Pipe
editor by CX 2023-09-07