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
1. Drill pipe joint packed in carton or wooden box.
2. Customized packing is accepted.
Delivery detail: 15days
1 Before order to be confirmed ,the raw material of pipe body and tool joint should be booked from famous big steel enterprises in China.
2 Raw material’s size ,quantity,length,mechanical property are checked by our QC staff and factory own laboratory
3 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.
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.
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|
|Usage:||Oil Mining, Coal Mining, Well Drilling, Ore Mining|
|Product Technology:||Friction Welding, Nitrading, Tempering Treatment|
|Product Name:||API Pin Box Tool Joint Couplings for Water Well Dr|
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.
What Industries Commonly Use Pin Couplings for Power Transmission?
Pin couplings are widely used in various industries for power transmission due to their ability to accommodate misalignment and provide reliable torque transmission. Some of the industries where pin couplings are commonly employed include:
- 1. Manufacturing: In manufacturing processes, pin couplings are used in conveyor systems, mixers, agitators, and other machinery to transfer power between motors and driven equipment.
- 2. Pulp and Paper: The pulp and paper industry uses pin couplings in machinery such as pumps, fans, and rotary kilns for continuous power transmission.
- 3. Chemical and Petrochemical: Pin couplings find applications in chemical processing plants, refineries, and petrochemical facilities for various rotating equipment.
- 4. Water and Wastewater: Pin couplings are used in water treatment facilities, pumps, and blowers to transfer power efficiently.
- 5. Steel and Metal Processing: Steel mills and metal processing plants utilize pin couplings in rolling mills, extruders, and other equipment.
- 6. Food and Beverage: Pin couplings are employed in food processing machinery, packaging equipment, and conveyor systems.
- 7. Mining and Quarrying: The mining industry uses pin couplings in crushers, conveyor belts, and various mineral processing equipment.
- 8. Oil and Gas: Pin couplings are used in the oil and gas sector for pumps, compressors, and drilling equipment.
- 9. Power Generation: In power plants, pin couplings are used in turbines, generators, and other power transmission systems.
- 10. Construction and Heavy Equipment: Pin couplings find applications in construction machinery, earthmoving equipment, and other heavy-duty machinery.
- 11. Agriculture: In agricultural machinery, pin couplings are used in tractors, irrigation systems, and grain processing equipment.
These are just some examples of the industries where pin couplings are commonly used. Pin couplings offer versatility, ease of installation, and reliability, making them suitable for a wide range of applications in different sectors where power transmission is essential.
Can Pin Couplings Handle Misalignment Between Shafts?
Yes, pin couplings are designed to accommodate a certain degree of misalignment between shafts in rotating machinery. They are considered flexible couplings, which means they can provide some degree of angular, parallel, and axial misalignment capability.
Pin couplings typically consist of two hubs, each connected to a shaft, and a central sleeve with pins that transmit torque between the hubs. The pins allow for a limited range of movement, which helps to compensate for slight misalignments between the shafts.
The angular misalignment capacity of a pin coupling is achieved through the bending of the pins. When the shafts are misaligned at an angle, the pins on one side of the coupling experience bending while those on the opposite side are in tension. The pins are designed to withstand these bending and tension forces within their elastic limits, ensuring proper functioning and longevity of the coupling.
Similarly, the pins can accommodate parallel misalignment by sliding within the pin holes of the coupling’s central sleeve. This sliding action allows the hubs to move slightly relative to each other, compensating for any offset between the shafts.
However, it is essential to note that pin couplings have limitations in terms of the amount of misalignment they can handle. Excessive misalignment beyond their specified limits can lead to increased wear on the pins and other coupling components, reducing the coupling’s effectiveness and potentially causing premature failure.
While pin couplings are suitable for applications with moderate misalignment requirements, they may not be the best choice for applications with significant misalignment or where precise alignment is critical. In such cases, more flexible couplings like gear or elastomeric couplings may be more appropriate.
Overall, when considering the use of pin couplings, it is essential to carefully evaluate the specific misalignment requirements of the application and select a coupling that can adequately accommodate those misalignments while ensuring reliable and efficient power transmission.
editor by CX 2023-08-10