Product Description

Product Description

Standard rebar couplers made by raw material 45# carbon steel with competitive price and divided into standard couplers, positional rebar couplers, and transition rebar couplers.

Name:	Thread Rebar Couplers Standard Type
Used for Rebar:	HRB400/Grade 65/ and so on with rebar yield strength same as 500Mpa   or lower than that.
Raw Material:	S45C -yield strength 420Mpa, Tensile strength: 600-650MPa
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	24	42	2.5	0.092	250	23.00	CE / ISO
18	27	45	2.5	0.136	200	27.20	CE / ISO
20	30	50	2.5	0.159	132	20.98	CE / ISO
22	33	54	2.5	0.21	121	25.41	CE / ISO
25	38	62	3.0	0.34	80	27.20	CE / ISO
28	42	68	3.0	0.46	56	25.76	CE / ISO
32	48	76	3.0	0.633	42	26.58	CE / ISO
36	53	84	3.0	0.905	27	24.43	CE / ISO
40	59	95	3.0	1.16	25	29.00	CE / ISO

1. Standard rebar couplers Introduction

Standard rebar coupler belongs to Rolling technology, it is a parallel-thread mechanical splicing system used for the 16mm to 40mm reinforcing bars mechanical connections. This system is first peeling the rebar rib and then doing thread by cold rolling, this technology can meet with China standard of JGJ107-2571, USA standard of ACI318, UK standard of BS8110, VN standard of TCVN8163, and other international standards. The couplers can be divided into standard couplers with all right-hand thread, and also positional rebar coupler with 1 side left-hand thread another size right-hand thread, also it has transition couplers which 2 sides have different diameters. Also, this coupler has a competitive price over super couplers and is suitable for little lower rebar grades such as HRB400 or HRB500 rebar, it has full sizes from 16mm to 40mm.

2.45# steel carbon steel rebar couplers Features and advantages

a.Saving cost and easy operation than the lapping of rebar

b.One time loading can finish the rib peeling and thread rolling together.

c.Single step process, only 1 machine, 1 operator.

d.Assemble by visual inspection

e.Standard ISO parallel Metric Thread designs.

f.Used for many kinds of connections for a position or transition couplers

CPDL Rebar Coupler China Steel Rebar Coupler Manufacturers OEM/ODM On-demand Customized Rebar Splicing Coupler Wholesale Thread Rebar Couplers Standard Type

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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What are the Maintenance Requirements for Sleeve Couplings to Ensure Optimal Performance?

Proper maintenance is essential to ensure the optimal performance and longevity of sleeve couplings. Regular inspections and maintenance practices help identify early signs of wear, misalignment, or other issues that may affect the coupling’s performance. Here are some maintenance requirements for sleeve couplings:

1. Regular Visual Inspections:

Perform visual inspections of the sleeve coupling regularly. Look for signs of wear, corrosion, or damage on the coupling surface. Check for any visible misalignment between the shafts connected by the coupling.

2. Lubrication:

Some sleeve couplings may require lubrication to reduce friction and wear. Check the manufacturer’s recommendations for the appropriate lubricant and lubrication interval.

3. Check for Misalignment:

Monitor the shaft alignment periodically to ensure that the coupling is not subjected to excessive misalignment. Misalignment can lead to premature wear and failure of the coupling and connected equipment.

4. Inspect Fasteners:

Check any fasteners, such as set screws or clamps, that secure the sleeve coupling to the shafts. Ensure they are tight and secure to prevent any slipping or movement.

5. Evaluate Operating Conditions:

Assess the operating conditions of the motion control system regularly. Consider factors such as temperature, humidity, vibration, and exposure to corrosive substances. Make necessary adjustments or upgrades to protect the sleeve coupling from adverse conditions.

6. Balance the Coupling:

If the coupling operates at high speeds, balancing may be necessary to prevent excessive vibration and ensure smooth performance. Consider dynamic balancing for high-speed applications.

7. Replace Worn or Damaged Couplings:

If visual inspections reveal signs of significant wear, damage, or deformation, it is essential to replace the sleeve coupling promptly. Continuing to use a damaged coupling can lead to further issues and compromise system performance.

8. Follow Manufacturer’s Guidelines:

Always follow the manufacturer’s maintenance guidelines and recommendations specific to the sleeve coupling model. Adhering to these guidelines will ensure that the coupling performs as intended and maintains its service life.

9. Record Keeping:

Keep records of maintenance activities and inspections for each sleeve coupling in the system. This recordkeeping will help track the coupling’s performance over time and identify any recurring issues.

By following these maintenance requirements, motion control systems can maintain the optimal performance of sleeve couplings, minimize downtime, and extend the life of both the coupling and connected equipment.

What are the Standard Sizes and Dimensions Available for Sleeve Couplings?

Sleeve couplings are available in a wide range of standard sizes and dimensions to accommodate various shaft diameters and application requirements. The dimensions of sleeve couplings depend on factors such as the shaft size, coupling length, and overall design. Here are some common standard sizes and dimensions for sleeve couplings:

Shaft Sizes: Sleeve couplings are typically designed to fit specific shaft diameters, commonly ranging from a few millimeters to several inches. Standard sizes may include shaft diameters of 6 mm, 8 mm, 10 mm, 12 mm, 15 mm, 20 mm, 25 mm, 30 mm, 40 mm, 50 mm, and so on.

Coupling Length: The length of the coupling refers to the distance between the two ends that connect the shafts. The coupling length is usually determined by the application’s torque and space requirements.

Overall Diameter: The overall diameter of the sleeve coupling varies with the shaft size and coupling design. It is important to ensure that the overall diameter of the coupling fits within the available space and does not interfere with other components in the system.

Keyway Size: Some sleeve couplings feature keyways to provide additional torque transmission and anti-rotation capabilities. The keyway size should match the shaft’s keyway dimensions to ensure a secure connection.

Material Thickness: The thickness of the sleeve coupling’s material is critical for its strength and torque capacity. Standard sleeve couplings are available in various material thicknesses to suit different application requirements.

It’s important to note that while standard sizes and dimensions are readily available, custom sleeve couplings can also be designed and manufactured to meet specific application needs. Custom couplings may be required for non-standard shaft sizes, special torque capacities, or unique environmental conditions.

When selecting a sleeve coupling, engineers should consider the torque requirements, shaft sizes, space limitations, and environmental factors to ensure the coupling’s proper fit and reliable performance.

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.

editor by CX 2024-04-03