Merchandise Description
Merchandise Description
Two various grades of Sucker Rod Couplings are offered: T and SM. The manufacturing process of both the grades is the very same with cold worked pre-stressed, roll-formed threads with the anti-galling coating. This method outcomes in more robust/fatigue resistant threads.
The production inspection, the proportions and the tolerances of the couplings match or exceed the technical specs of the most current API standards.
Quality T Sucker Rod Couplings
These couplings are manufactured up of 5140 alloy steel and are quite resistant to hydrogen embrittlement.
Grade SM CO-Difficult Sucker Rod Couplings
These couplings are created up of 5140 alloy steel and are quite resistant to hydrogen embrittlement. In buy to produce a powerful metallurgical CZPT among the base metal of the coupling and the spray steel coating. Advanced thermal spraying technologies is adopted to melt Ni alloy and other higher dress in-resisting resources on the blank area of the collar following substantial temperature flame spraying, so as to reduce the friction coefficient amongst the anti-use collar and the oil pipe to .01, which is an powerful combination of higher hardness and lower friction, as a result bettering the services lifestyle of the rod and pipe in oil exploitation.
Functions
one. Developed and produced in accordance to API spec 11B.
two. The couplings are created in grades SM and DES.
three. Elevated dress in and corrosion resistance.
4. Floor treatment contains black coating, phosphating or as for every the customers requirement.
Technological parameter
|
OD |
Coupling OD |
Length |
Wrench length |
Wrench width |
|
|
mm |
in |
(mm- inch) |
(mm- inch) |
mm |
mm |
|
16 |
five/eight |
38.1(1.five hundred) |
one zero one.6(4.000) |
31.eight |
34.9 |
|
19 |
three/four |
forty one.3(1.625) |
one zero one.6(4.000) |
31.8 |
38.1 |
|
22 |
seven/8 |
forty six.(1.812) |
one hundred and one.6(4.000) |
31.eight |
41.3 |
|
25 |
1 |
55.6(2.187) |
one zero one.6(4.000) |
31.8 |
47.6 |
|
29 |
1 1/eight |
sixty.3(2.375) |
114.3(4.five hundred) |
forty one.3 |
53.nine |
Product Pictures
Factory
Certificates
FAQ
Q1: What is actually your packing?
A: Regular packing.
Q2: What is your supply?
A: Generally, about 30-forty five days.
Q3: What are the shipping methods?
A: Ocean shipment to the port near from you Air shipment to the shipment near from your company Door to door service by international express.
This autumn: What about the payment options?
A: In common, we take T/T.
Q5: When can I get the price?
A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will detail with your inquiry priority.
|
US $2-10 / Piece | |
1 Piece (Min. Order) |
###
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated| Freight Cost Calculator |
|---|
###
| After-sales Service: | 7X24 |
|---|---|
| Warranty: | 12months |
| Manufacturing Process: | Forging |
###
| Samples: |
US$ 5/Joint
1 Joint(Min.Order) |
|---|
###
| Customization: |
Available
|
|---|
###
|
OD
|
Coupling OD
|
Length
|
Wrench length
|
Wrench width
|
|
|
mm
|
in
|
(mm- inch)
|
(mm- inch)
|
mm
|
mm
|
|
16
|
5/8
|
38.1(1.500)
|
101.6(4.000)
|
31.8
|
34.9
|
|
19
|
3/4
|
41.3(1.625)
|
101.6(4.000)
|
31.8
|
38.1
|
|
22
|
7/8
|
46.0(1.812)
|
101.6(4.000)
|
31.8
|
41.3
|
|
25
|
1
|
55.6(2.187)
|
101.6(4.000)
|
31.8
|
47.6
|
|
29
|
1 1/8
|
60.3(2.375)
|
114.3(4.500)
|
41.3
|
53.9
|
|
US $2-10 / Piece | |
1 Piece (Min. Order) |
###
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated| Freight Cost Calculator |
|---|
###
| After-sales Service: | 7X24 |
|---|---|
| Warranty: | 12months |
| Manufacturing Process: | Forging |
###
| Samples: |
US$ 5/Joint
1 Joint(Min.Order) |
|---|
###
| Customization: |
Available
|
|---|
###
|
OD
|
Coupling OD
|
Length
|
Wrench length
|
Wrench width
|
|
|
mm
|
in
|
(mm- inch)
|
(mm- inch)
|
mm
|
mm
|
|
16
|
5/8
|
38.1(1.500)
|
101.6(4.000)
|
31.8
|
34.9
|
|
19
|
3/4
|
41.3(1.625)
|
101.6(4.000)
|
31.8
|
38.1
|
|
22
|
7/8
|
46.0(1.812)
|
101.6(4.000)
|
31.8
|
41.3
|
|
25
|
1
|
55.6(2.187)
|
101.6(4.000)
|
31.8
|
47.6
|
|
29
|
1 1/8
|
60.3(2.375)
|
114.3(4.500)
|
41.3
|
53.9
|
Programming With Couplings
A coupling is a mechanical device that connects two shafts together and transmits power. Its purpose is to join rotating equipment and allows some degree of end-movement or misalignment. There are many different types of couplings. It’s important to choose the right one for your application.
Mechanical connection between two shafts
There are many ways to achieve mechanical connection between two shafts, including the use of a coupling. One common type is the beam coupling, which is also known as a helical coupling. It is used for transmission of torque between two shafts. This type of connection accommodates axial, parallel and angular misalignments.
The hubs and shafts of a worm gear are connected together by a coupling. This mechanical connection allows one shaft to turn another without causing a mechanical failure. This type of coupling is made from sliding or rubbing parts to transfer torque. However, the coupling is not designed to withstand jerks, so it isn’t suitable for high-speed applications.
The use of a coupling is common in machinery and equipment. It helps transmit power from one drive shaft to the other, while adding mechanical flexibility. It is also useful for reducing the impact and vibration caused by misalignment. It also protects the drive shaft components from wear and tear.
A double-hook coupling can be used to provide a uniform angular velocity at the driven shaft. Another example is a double-jointed coupling. A double-jointed coupling can be used to connect shafts that are not directly intersecting. The double-jointed yoke can be used for the same purpose.
A shaft coupling is a device that maintains a strong mechanical connection between two shafts. It transfers motion from one shaft to another, at all loads and misalignments. Unlike a conventional linkage, a shaft coupling isn’t designed to allow relative motion between the two shafts. Couplings often serve several purposes in a machine, but their primary use is torque and power transmission.
Functions that control the flow of another function
One of the simplest programming constructs is a function that controls the flow of another function. A function can take an argument and return a different value, but it must be ready to return before it can pass that value to another function. To do this, you can use the goto statement and the if statement. Another way to control flow is to use a conditional statement.
Criteria for selecting a coupling
There are several important factors to consider when choosing the right coupling. One of the most important factors is coupling stiffness, which depends on the material used and the shape. The stiffness of a coupling determines its ability to resist elastic deformation. A stiff coupling is desirable for certain types of applications, but it’s undesirable for others. Stiffness can reduce the performance of a system if there’s too much inertia. To avoid this, ensure that the coupling you choose is within the recommended limits.
The size of a coupling is also important. Different coupling types can accommodate different shaft sizes and shapes. Some couplings have special features, such as braking and shear pin protection. When choosing a coupling, you should also consider the type of driven equipment. If you need to connect a high-torque motor, for example, you’ll want to choose a gear coupling. Likewise, a high-speed machine may require a disc coupling.
Another factor to consider when selecting a coupling is the torque rating. Despite its importance, it’s often underestimated. The torque rating is defined as the torque of the coupling divided by its OD. In some cases, torque may fluctuate during a cycle, requiring a coupling with a higher torque rating.
Torsionally flexible couplings are also important to consider. Their design should be able to withstand the torque required during operation, as well as the required speed. The coupling should also have a high degree of torsional stiffness, as well as damping. Furthermore, a damping coupling can reduce the energy wasted through vibration.
The sizing of a coupling is also determined by the torque. Many engineers use torque to select the correct coupling size, but they also take into consideration torsional flexibility and torsional stiffness. For example, a shaft may be able to handle large torque without damaging the coupling, while a disk may be unable to handle large amounts of torque.
Besides torque, another important consideration in coupling selection is the cost. While a coupling may be cheaper, it may be less reliable or easier to maintain. Couplings that are difficult to service may not last as long. They may also require frequent maintenance. If that’s the case, consider purchasing a coupling with a low service factor.
There are many different types of couplings. Some require additional lubrication throughout their lifetime, while others are 100% lubrication-free. An example of a 100% lubrication-free coupling is the RBI flexible coupling from CZPT. This type of coupling can significantly reduce your total cost of ownership.
In addition to the above-mentioned benefits, elastomeric couplings are low-cost and need little maintenance. While they are often cheaper than metallic couplings, they also have excellent shock absorption and vibration dampening properties. However, they are susceptible to high temperatures. Also, they are difficult to balance as an assembly, and have limited overload torque capacity.
editor by czh 2022-12-02