China Good quality Steel Upset End Rebar Coupling for Steel Reinforcement coupling and uncoupling

Product Description

Product Description

Upsetting type rebar coupler is strong rebar parallel thread couplers which enlarge the rebar nominal diameters by cold forging and then do the thread cutting, after the thread cutting, the thread smaller diameter still larger than the rebar nominal diameter, so it is very strong connections, because of thread cutting, its threads are very smooth and it can be called easy installation rebar couplers and also it can have quick connection for rebar.


Product Details:

Name:

Parallel   Upsetting Rebar couplers (U type)

Used for Rebar:

HRB500/Grade 75/Kuwait 550/500B and so on with rebar yield strength   higher than 500MPa.

Raw Material:

40CR-yield strength 750Mpa, Tensile strength: 860MPa

Size:

16mm/18mm/20mm/25mm/28mm/32mm/36mm/40mm

Packing:

By bags and pallets packing, or wooden case packing as required (25KG   smaller packing, 1700KG per pallet)

Sample:

Free existing samples for checking dimension and quality

Production time:

15-40 days based on different quantity after receive the prepayment

Shipping Port:

Xihu (West Lake) Dis.g,ZheJiang Port,  ZheJiang   Port, China.

Payment Terms:

TT / LC

Certificate:

ISO/ CE

 

SIZE (mm)

Out Diameter (mm)

Length (mm)

Pitch (mm)

N.W    (KG)

PACKING IN ONE BAG  (NOS)

1 BAG WEIGHT (KG)

Approvals/ Certificate

16

26

40

2.5

0.083

250

20.75

CE / ISO

18

29

44

2.5

0.116

200

23.20

CE / ISO

20

32

48

3.0

0.159

132

20.98

CE / ISO

22

36

52

3.0

0.214

121

25.89

CE / ISO

25

40

60

3.5

0.308

80

24.64

CE / ISO

28

44

66

3.5

0.404

56

22.62

CE / ISO

32

50

72

4.0

0.615

42

25.83

CE / ISO

36

56

80

4.0

0.894

27

24.13

CE / ISO

40

62

90

4.0

1.136

25

28.40

CE / ISO

1.Strong Reba Parallel thread couplers Introduction

Rebar Upsetting Couplers is used in Upsetting technology is a parallel-thread mechanical splicing system designed for the connection of 16mm to 40mm reinforcing bars. This is easy installation rebar couplers which can make sure the quick connection for rebar. We mainly produce it by higher strength raw material 40CR

It is designed and manufactured in compliance with China standard of JGJ107-2571, UK standard of BS8110, USA standard of ACI318, VN standard of TCVN8163 and other international standards.

2.Features and advantages for this high efficiency and cost saving system:

a.No reduction of the bar cross section area and bar break feature.

b.Fast installation no need torque wrench

c.Assemble easily by visual inspection

d.It is Standard ISO parallel Metric Thread designs.

e.This mechanical connections are quicker, safer and mover convenient ways than lap splicing or welding splicing.

3.Working Steps

a.Cutting the rebar end to make it flat

b.Enlarge the rebar diameter by cold upsetting

c.Making the parallel thread by cutting

b.Connect the rebars and make sure the barbreak

4.Technical Data

a.Applicable Standards: JGJ107-2571, UK standard of BS8110, USA standard of ACI318, VN standard of TCVN8163 and other international standards.

b.Raw material

Couplers are produced by the raw material of 40Cr, correspond to international standards of JIS: SCr440, ASTM: 5140, ISO: 41Cr4.

Chemical composition: C:0.37~0.44    Si:0.17~0.37   Mn:0.50~0.80   Cr:0.80~1.10 Ni:≤0.30  P:≤0.035  S:≤0.035  Cu:≤0.30

Mechanical Properties: Yield strength≥ 785MPa, Tensile Strength: ≥980MPa.

5.Technical Data

a.Applicable Standards: JGJ107-2571, UK standard of BS8110, USA standard of ACI318, VN standard of TCVN8163 and other international standards.

b.Raw material

Couplers are produced by the raw material of 40Cr, correspond to international standards of JIS: SCr440, ASTM: 5140, ISO: 41Cr4.

Chemical composition: C:0.37~0.44    Si:0.17~0.37   Mn:0.50~0.80   Cr:0.80~1.10 Ni:≤0.30  P:≤0.035  S:≤0.035  Cu:≤0.30

Mechanical Properties: Yield strength≥ 785MPa, Tensile Strength: ≥980MPa.

 

Company Profile

Packaging & Shipping

FAQ

1. Q: Are you a trading company or manufacturer?

    A: We are an original equipment manufacturer.

2. Q: How long is your delivery time?

    A: It is according to the model and quantity.

        Generally, it is 3-5 days if the products are in stock.

        It will be 15-30 days if you want to customize the products

3. Q: What are your terms of payment?

    A: We accept T/T, Western Union, Money Gram, PayPal, Alibaba Escrow, etc.

        Payment<=USD 5000, 100% in advance.

        Payment>=USD 5000, 30% T/T in advance, balance before shipment.

 4. Q: Do you provide samples? Is it free or extra?

A: Yes, we could offer the sample for free charge, but clients do not need to pay the cost of freight.

Connection: Flange
Head Code: Round
Thread Distribution: Internal Thread
Surface: Polish
Material: Carbon Steel
Technics: Forged
Samples:
US$ 0.2/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

gearbox

What Is a Coupling?

A coupling is a device used to connect two shafts. It transmits power between them and allows for some misalignment or end movement. There are several types of couplings. The most common ones are gear couplings and planetary couplings. However, there are many others as well.

Transfer of energy

Energy coupling is a process by which two biological reactions are linked by sharing energy. The energy released during one reaction can be used to drive the second. It is a very useful mechanism that synchronizes two biological systems. All cells have two types of reactions, exergonic and endergonic, and they are connected through energy coupling.
This process is important for a number of reasons. The first is that it allows the exchange of electrons and their energy. In a single molecule, this energy transfer involves the exchange of two electrons of different energy and spin. This exchange occurs because of the overlap interaction of two MOs.
Secondly, it is possible to achieve quadratic coupling. This is a phenomenon that occurs in circular membrane resonators when the system is statically deflected. This phenomenon has been gaining a great deal of interest as a mechanism for stronger coupling. If this mechanism is employed in a physical system, energy can be transferred on a nanometer scale.
The magnetic field is another important factor that affects the exchange of energy between semiconductor QWs. A strong magnetic field controls the strength of the coupling and the energy order of the exciton. The magnetic field can also influence the direction of polariton-mediated energy transfer. This mechanism is very promising for controlling the routing of excitation in a semiconductor.

Functions

Couplings play a variety of functions, including transferring power, compensating for misalignment, and absorbing shock. These functions depend on the type of shaft being coupled. There are four basic types: angular, parallel, and symmetrical. In many cases, coupling is necessary to accommodate misalignment.
Couplings are mechanical devices that join two rotating pieces of equipment. They are used to transfer power and allow for a small degree of end-to-end misalignment. This allows them to be used in many different applications, such as the transmission from the gearbox to the differential in an automobile. In addition, couplings can be used to transfer power to spindles.

Types

There are two main types of couplings: rigid and flexible. Rigid couplings are designed to prevent relative motion between the two shafts and are suitable for applications where precise alignment is required. However, high stresses in the case of significant misalignment can cause early failure of the coupling. Flexible couplings, on the other hand, allow for misalignment and allow for torque transmission.
A software application may exhibit different types of coupling. The first type involves the use of data. This means that one module may use data from another module for its operation. A good example of data coupling is the inheritance of an object. In a software application, one module can use another module’s data and parameters.
Another type of coupling is a rigid sleeve coupling. This type of coupling has a pipe with a bore that is finished to a specified tolerance. The pipe contains two threaded holes for transmitting torque. The sleeve is secured by a gib head key. This type of coupling may be used in applications where a couple of shafts are close together.
Other types of coupling include common and external. Common coupling occurs when two modules share global data and communication protocols. This type of coupling can lead to uncontrollable error propagation and unforeseen side effects when changes are made to the system. External coupling, on the other hand, involves two modules sharing an external device interface or communication protocol. Both types of coupling involve a shared code structure and depend on the external modules or hardware.
Mechanical couplings are essential in power transmission. They connect rotating shafts and can either be rigid or flexible, depending on the accuracy required. These couplings are used in pumps, compressors, motors, and generators to transmit power and torque. In addition to transferring power, couplings can also prevent torque overload.
gearbox

Applications

Different coupling styles are ideal for different applications, and they have different characteristics that influence the coupling’s reliability during operation. These characteristics include stiffness, misalignment capability, ease of installation and maintenance, inherent balance, and speed capability. Selecting the right coupling style for a particular application is essential to minimize performance problems and maximize utility.
It is important to know the requirements for the coupling you choose before you start shopping. A proper selection process takes into account several design criteria, including torque and rpm, acoustic signals, and environmental factors. Once you’ve identified these parameters, you can select the best coupling for the job.
A gear coupling provides a mechanical connection between two rotating shafts. These couplings use gear mesh to transmit torque and power between two shafts. They’re typically used on large industrial machines, but they can also be used in smaller motion control systems. In smaller systems, a zero-backlash coupling design is ideal.
Another type of coupling is the flange coupling. These are easy to manufacture. Their design is similar to a sleeve coupling. But unlike a sleeve coupling, a flange coupling features a keyway on one side and two threaded holes on the other. These couplings are used in medium-duty industrial applications.
Besides being useful for power transmission, couplings can also prevent machine vibration. If vibration occurs in a machine, it can cause it to deviate from its predetermined position, or damage the motor. Couplings, however, help prevent this by absorbing the vibration and shock and preventing damage to expensive parts.
Couplings are heavily used in the industrial machinery and electrical industries. They provide the necessary rotation mechanism required by machinery and other equipment. Coupling suppliers can help customers find the right coupling for a specific application.
gearbox

Criteria for selecting a coupling

When selecting a coupling for a specific application, there are a number of different factors to consider. These factors vary greatly, as do operating conditions, so selecting the best coupling for your system can be challenging. Some of these factors include horsepower, torque, and speed. You also need to consider the size of the shafts and the geometry of the equipment. Space restrictions and maintenance and installation requirements should also be taken into account. Other considerations can be specific to your system, such as the need for reversing.
First, determine what size coupling you need. The coupling’s size should be able to handle the torque required by the application. In addition, determine the interface connection, such as straight or tapered keyed shafts. Some couplings also feature integral flange connections.
During the specification process, be sure to specify which materials the coupling will be made of. This is important because the material will dictate most of its performance characteristics. Most couplings are made of stainless steel or aluminum, but you can also find ones made of Delrin, titanium, or other engineering-grade materials.
One of the most important factors to consider when selecting a coupling is its torque capability. If the torque rating is not adequate, the coupling can be damaged or break easily. Torque is a major factor in coupling selection, but it is often underestimated. In order to ensure maximum coupling performance, you should also take into consideration the size of the shafts and hubs.
In some cases, a coupling will need lubrication throughout its lifecycle. It may need to be lubricated every six months or even once a year. But there are couplings available that require no lubrication at all. An RBI flexible coupling by CZPT is one such example. Using a coupling of this kind can immediately cut down your total cost of ownership.
China Good quality Steel Upset End Rebar Coupling for Steel Reinforcement   coupling and uncouplingChina Good quality Steel Upset End Rebar Coupling for Steel Reinforcement   coupling and uncoupling
editor by CX 2023-06-02