Product Description

Rolling Straight Thread Rebar Coupler 

–We are 1 of the most important writers of the standard JG/T163-2013 Couplers for Rebar Mechanical Splicing.
–We are the steel tube factory which are specialized in producing the high quality carbon steel&alloy steel as the raw material of bolted coupler.
–Design and manufactured in compliance with ACI318, JGJ107, UBC 1997, BS8110, NF35-20-1, DIN1045, ISO 15835.
–We are good at designing and customizing according to customers’ requirements based on required major diameter, pitch of thread, minimum tensile strength and rebar strength.
 

Specifications

Product Name

Rolling Straight Thread Rebar Coupler

Material

Carbon Steel ASTM 1045 (45#) / Alloy Steel ASTM 5140 (40Cr)

Standard

Comply with Chinese standard JG/T 163-2013 Couplers for Rebar Mechanical Splicing, Amercian standard ACI318 ACI349, British standards BS8110, French standard NF35-20-1, German standard DIN1045, ISO 15835 and other relevant standards.

Used for rebar Grade

BS 4449, B500, JG/T 163-2013, CHINAMFG 400, CHINAMFG 500, HRB600, ASTM A615 Grade 60/Grade 75

Size

Suitable for rebar size from 16mm to 50mm

Thread

60° / 75°

Packing

Wooden Case + Carbon Box

Customization

Customizing based on required major diameter, pitch of thread, minimum tensile strength and rebar strength

 

Size of  Rolling Straight Rebar Coupler

Size of Rebar

Outer Diameter(mm)

Length(mm)

Thread(M*P)

Ф16

24

40

M16.55*2.5

Ф18

27

45

M18.65*2.5

Ф20

30

50

M20.65*2.5

Ф22

32.5

55

M22.65*2.5

Ф25

37

60

M25.65*3.0

Ф28

41.5

65

M28.65*3.0

Ф32

47.5

72

M32.65*3.0

Ф36

53

80

M36.65*3.0

Ф40

59

88

M40.65*3.0

Ф50

74

108

M50.65*3.5

 

Application

Our products were exported to Europe, America, Japan, South Korea, The Middle East, Southeast Asia and in total 6 continents over 20 countries, and which has been consistently trusted by customers.

Production progress:

Test

Certificate

ABOUT TENJAN
HangZhou CHINAMFG Steel Tube Co., Ltd. was founded in 2004. The annual production capacity can reach 60,000 tons under years of development. We are a leading technical manufacturer in the seamless steel tube and rebar coupler industry. Tenjan’s chairman, Xihu (West Lake) Dis. Gu, already has 25-year experience in steel tube industry and is the major constitutor of national standard Couplers for Rebar Mechanical Splicing JG/T 163-2013. 

CHINAMFG is specialized in custom production of high quality seamless steel tubes under international standards ASTM A519, ASTM A106, ASTM A500, ASME SA500, DIN2391, DIN1629, EN10305-1, DIN17121, EN15717-1, JIS3441, JIS3444 and JIS3445. We provide small batch customization service, especially for small and medium-size enterprises. Raw material, internal and external dimensional tolerances and consistency, internal and external surface roughness, straightness, mechanical properties, eccentricity, special shape, alloy steel, small-diameter thick-walled seamless steel tubes all can be customized. The production range for outer diameter is from 10 to 120mm and for wall thickness is from 1 to 20mm

Why Choose Tenjan?
 

(1) Large Scale Production,Strong R&D Capability

The annual production capacity can reach 60,000 tons under years of development. Every-year R&D investment and a team of technicians enable CHINAMFG with strong R&D capability. CHINAMFG has full system of production with advanced equipment, such as perforation, pickling, cold rolling, cold drawing, straightening, flaw detection, tensile test and machining.

 

(2) Quality Control 

Every batch of products can be traced and guaranteed by the raw material certificate and steel tube quality certificate. Complete quality control system, following ISO9001, to ensure a full inspection process such as pull force test, chemical composition test and eddy current detection.

 

(3) Certification

The chairman of Tenjan, Mr. Xihu (West Lake) Dis. Gu, is 1 of the major constitutors of national standard Couplers for Rebar Mechanical Splicing JG/T 163-2013. And CHINAMFG has won the Quality System Certificates of ISO9001 and IATF16949.

 

(4) Major Customer Case

We have long-term relationship with customers such as BMW, MCC, CNNP, CRRC, Midea, Sinohydro, China Pingmei, China Academy of Building Research and so on.

 

(5) Export Countries

Our products were exported to Europe, America, Japan, South Korea, The Middle East, Southeast Asia and in total 6 continents over 20 countries, and which has been consistently trusted by customers.

 

(6) Customer Service

Tenjan provides considerate service to every customer with fast feedback, quality track and technical support.  

 

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sleeve coupling

Are there Specialized Sleeve Couplings for High-Speed or Heavy-Duty Applications?

Yes, there are specialized sleeve couplings designed to meet the demands of high-speed or heavy-duty applications. These specialized couplings are engineered with specific features and materials to ensure reliable performance under challenging conditions. Here’s how sleeve couplings cater to high-speed and heavy-duty applications:

  • High-Speed Applications: In high-speed applications, rotational speeds can be significantly higher, which poses challenges related to balance, vibration, and centrifugal forces. Sleeve couplings for high-speed applications are designed with features like high precision machining, dynamic balancing, advanced materials, and effective lubrication.
  • Heavy-Duty Applications: Heavy-duty applications involve transmitting high torque or handling substantial loads. In such cases, sleeve couplings are designed with features like high torque capacity, sturdy construction, enhanced lubrication, and customization options.

It’s important to note that not all sleeve couplings are suitable for high-speed or heavy-duty applications. Engineers and designers must carefully consider the application’s requirements and select a sleeve coupling that matches the desired speed, torque capacity, and load-bearing capabilities.

Specialized sleeve couplings for high-speed and heavy-duty applications are available from reputable coupling manufacturers. These manufacturers often provide detailed technical specifications and application guidelines to assist engineers in choosing the right coupling for their specific needs.

sleeve coupling

Are there Sleeve Couplings Suitable for Applications Requiring Electrical Insulation Between Shafts?

Yes, there are sleeve couplings specifically designed to provide electrical insulation between shafts in certain applications. These couplings are known as electrically insulated sleeve couplings. They are used in scenarios where electrical isolation is crucial to prevent the conduction of electric current between connected shafts.

Electrically insulated sleeve couplings typically feature a non-conductive material, such as ceramic or composite, as the coupling element. This material acts as an insulator, effectively preventing electrical contact between the shafts and eliminating the risk of electrical grounding or short circuits.

Applications that commonly require electrically insulated sleeve couplings include:

  • Electric Motors: In electric motor designs, the shaft may extend beyond the motor housing and come in contact with other components. An insulated coupling helps prevent current flow between the motor shaft and other conductive elements, enhancing safety and protecting sensitive components.
  • Generators: Similar to electric motors, generators may also benefit from insulated couplings to prevent electrical paths that could lead to undesired currents or disruptions.
  • High Voltage Equipment: In high voltage or electrical power transmission systems, insulated couplings are used to avoid potential electrical discharge between shafts.
  • Electrical Test Equipment: Test equipment that measures electrical properties may require electrically insulated couplings to ensure accurate readings and avoid interference.

When selecting electrically insulated sleeve couplings, it is crucial to consider the specific electrical requirements of the application. The coupling’s insulation resistance, voltage rating, and temperature capabilities should match the application’s electrical conditions.

Additionally, engineers must consider other factors such as torque requirements, shaft sizes, and misalignment compensation when choosing the appropriate electrically insulated sleeve coupling for their application.

It’s important to consult with coupling manufacturers or industry experts to ensure the selected electrically insulated sleeve coupling meets the desired electrical and mechanical performance requirements.

sleeve coupling

What is a Sleeve Coupling, and How is it Used in Mechanical Power Transmission?

A sleeve coupling is a type of flexible coupling used in mechanical power transmission to connect two shafts and transmit torque between them. It consists of a hollow cylindrical sleeve with an inner diameter that matches the shafts’ outer diameters. The sleeve coupling is placed over the ends of the shafts, and its flexibility allows for some misalignment between the shafts while transmitting rotational power from one shaft to the other.

The sleeve coupling is a simple and cost-effective coupling solution commonly used in various industrial applications. Its design allows for easy installation and maintenance, making it suitable for applications where frequent shaft disconnection and reconnection are required.

Here’s how a sleeve coupling works in mechanical power transmission:

  1. Shaft Connection:

    The sleeve coupling connects two shafts that need to be linked together to transmit power.

  2. Flexible Design:

    The flexibility of the sleeve coupling allows for some angular and axial misalignment between the shafts. This flexibility is achieved due to the clearance between the inner diameter of the sleeve and the outer diameter of the shafts.

  3. Torque Transmission:

    When one shaft rotates, it transfers torque to the sleeve coupling. The flexible nature of the coupling allows it to compensate for minor misalignments and still transmit torque smoothly to the other shaft.

  4. Reduced Vibration and Shock Absorption:

    The flexibility of the sleeve coupling also helps dampen vibrations and absorb shocks, preventing them from transferring between the connected shafts. This feature contributes to the smooth and efficient operation of the connected machinery.

  5. Limitations:

    Sleeve couplings have their limitations, including lower torsional stiffness compared to other coupling types, which may limit their use in precision applications with high torque and speed requirements. Additionally, sleeve couplings are not suitable for applications with significant misalignments or when precise angular alignment is crucial.

In summary, a sleeve coupling is a flexible and straightforward coupling used in mechanical power transmission to connect two shafts while allowing for some misalignment. Its simple design and ability to absorb shocks and dampen vibrations make it a popular choice for various industrial applications where precision alignment is not critical.

China OEM Wholesale Customized Good Quality Taper Sleeve Coupling  China OEM Wholesale Customized Good Quality Taper Sleeve Coupling
editor by CX 2024-02-09