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.

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sleeve coupling

Can Sleeve Couplings be Used in Corrosive or Harsh Environments without Compromising Performance?

Sleeve couplings can be used in corrosive or harsh environments, but their performance may be compromised if not properly selected or protected. The choice of materials and design features plays a crucial role in ensuring the coupling’s durability and performance in challenging conditions. Here’s how sleeve couplings can handle corrosive or harsh environments:

1. Material Selection: The selection of materials is crucial when considering sleeve couplings for corrosive environments. Stainless steel or corrosion-resistant alloys are commonly used to ensure the coupling’s resistance to corrosion. These materials have inherent properties that make them less susceptible to the damaging effects of chemicals, moisture, and harsh substances.

2. Coatings and Surface Treatments: Applying protective coatings or surface treatments to the coupling components can further enhance their resistance to corrosion. Coatings like zinc plating or special chemical treatments create a barrier that shields the coupling from corrosive agents.

3. Sealed and Enclosed Designs: In highly corrosive environments, sleeve couplings with sealed or enclosed designs can provide an additional layer of protection. Seals or covers prevent corrosive substances from reaching critical components, extending the coupling’s lifespan.

4. Regular Maintenance and Inspection: Performing regular maintenance and inspections are essential to ensure the coupling remains in optimal condition. Regular cleaning, lubrication, and inspection for signs of wear or corrosion help identify potential issues and prevent premature failure.

5. Custom Solutions: In some cases, custom-designed sleeve couplings may be necessary to address specific challenges posed by corrosive or harsh environments. Coupling manufacturers can work with engineers to develop tailored solutions that meet the application’s unique requirements.

It’s essential to consider the severity and duration of exposure to corrosive substances when choosing a sleeve coupling for harsh environments. In extremely aggressive conditions, special alloys or non-metallic materials may be required to ensure long-lasting performance.

In summary, sleeve couplings can be used in corrosive or harsh environments without compromising performance by selecting appropriate materials, using protective coatings, opting for sealed designs, performing regular maintenance, and considering custom solutions when necessary. Properly designed and maintained sleeve couplings can provide reliable and efficient power transmission in challenging industrial applications.

sleeve coupling

Where can I find reputable suppliers or manufacturers of sleeve couplings for my specific machinery requirements?

If you are looking for reputable suppliers or manufacturers of sleeve couplings, there are several places where you can find them:

  • Online Industrial Marketplaces: Websites that specialize in industrial products and equipment, such as Alibaba, Thomasnet, and GlobalSpec, often have a wide range of sleeve coupling manufacturers and suppliers listed. These marketplaces allow you to browse different options, compare prices, and read customer reviews to make an informed decision.
  • Industrial Trade Shows and Exhibitions: Attending industry-specific trade shows and exhibitions is an excellent way to meet multiple sleeve coupling manufacturers in person and discuss your specific machinery requirements directly with them. These events often showcase the latest products and technologies in the industry.
  • Manufacturer Websites: Many sleeve coupling manufacturers have their own websites where you can find detailed information about their products, specifications, and contact details. Visiting their websites allows you to understand their capabilities and offerings better.
  • Industrial Distributors: Industrial distributors often carry a wide range of mechanical components, including sleeve couplings, from various manufacturers. Contacting a local or online distributor can help you access multiple brands and options conveniently.
  • Industry Associations: Industry associations related to your specific machinery requirements may have directories or member lists that include reputable sleeve coupling manufacturers. These associations can also provide valuable insights into industry standards and best practices.
  • Referrals and Recommendations: Reach out to colleagues, industry peers, or machinery experts who have experience with sleeve couplings. They may be able to recommend reputable suppliers or manufacturers based on their own positive experiences.

When looking for suppliers or manufacturers, consider factors such as product quality, reliability, pricing, delivery times, and customer support. It’s essential to choose a supplier that can meet your specific machinery requirements and provide excellent service throughout the buying process and beyond.

By exploring these avenues, you can find reputable suppliers or manufacturers of sleeve couplings that align with your machinery needs and ensure a successful and efficient power transmission solution for your application.

sleeve coupling

What are the Different Types of Sleeve Couplings Available, and How do They Differ in Application?

Sleeve couplings come in various designs, each tailored for specific applications and operating conditions. The main types of sleeve couplings include:

  1. Standard Sleeve Couplings:

    Standard sleeve couplings are the most common type and consist of a solid cylindrical sleeve with minimal features. They are used in general-purpose applications where the shafts are well-aligned and do not require significant misalignment compensation. These couplings are simple, cost-effective, and easy to install.

  2. Spacer Sleeve Couplings:

    Spacer sleeve couplings are designed with an additional spacer between the shafts. The spacer provides extra clearance and allows for increased angular misalignment compensation. These couplings are suitable for applications where shafts may experience slight angular misalignment or need more axial spacing.

  3. Split Sleeve Couplings:

    Split sleeve couplings are divided into two halves that can be installed or removed without moving the connected shafts. They are used in applications where it is challenging to slide the coupling over the shaft ends due to space constraints or other restrictions. Split sleeve couplings simplify maintenance and installation in confined spaces.

  4. Flanged Sleeve Couplings:

    Flanged sleeve couplings have flanges at both ends of the sleeve, providing additional support and improved radial stiffness. The flanges help maintain shaft alignment and prevent lateral movement. These couplings are suitable for applications where precise shaft alignment is required, such as high-speed machinery.

  5. Ring-Flex Sleeve Couplings:

    Ring-flex sleeve couplings are designed with multiple rings or segments that are stacked together to form the coupling. The segmented design provides flexibility and allows for significant angular and axial misalignment. These couplings are used in applications where substantial misalignment compensation is necessary, such as in drives with parallel shafts.

The choice of sleeve coupling depends on the specific requirements of the application. Standard sleeve couplings are suitable for well-aligned shafts, while spacer sleeve couplings are preferred for applications with slight angular misalignment. Split sleeve couplings are ideal for limited access installations, and flanged sleeve couplings offer enhanced alignment for high-speed applications. For applications with significant misalignment, ring-flex sleeve couplings provide the most flexibility and compensation.

When selecting a sleeve coupling, considerations include the magnitude of misalignment, shaft sizes, torque requirements, operating speed, and environmental conditions. Proper coupling selection ensures efficient power transmission, reduces wear on connected equipment, and extends the lifespan of the mechanical system.

China Professional Threaded Rod Coupling Polish Sleeve Carbon Steel  China Professional Threaded Rod Coupling Polish Sleeve Carbon Steel
editor by CX 2024-05-13