Product Description

CHINAMFG Rigid Shaft Coupling:

 

Design available: one-piece or two-piece or set screw
                            With keyway or without keyway

Material available:  Aluminum
                 Carbon Steel Black Oxidized
                 Stainless Steel

Size available: 6mm to 50mm shaft fit
              1/4” to 2” shaft fit
 
Features:  Cost saving for economy
          High torque capacity
          Zero backlash
          Without the shaft damage and fretting
          Misalignment free
 
 
Clamp Style Rigid Couplings for applications where alignment is critical,  no backlash is desired,  and flexibility is not required. The one-piece rigid coupling wraps around the shaft,  providing high torsional holding power without the shaft damage and fretting. The two-piece rigid coupling has the additional benefit of allowing for disassembly and maintenance without removal of other components .
 

Black Oxide Steel	Stainless Steel	Inner Dia mm	Outer Dia mm	Length mm	Clamp Screw	Weight g
RSC1-6-ST	RSC1-6-SS	6	18	30	M 3 x 8	47
RSC1-8-ST	RSC1-8-SS	8	24	35	M 3 x 10	102
RSC1-10-ST	RSC1-10-SS	10	29	45	M 4 x 12	185
RSC1-12-ST	RSC1-12-SS	12	29	45	M 4 x 12	180
RSC1-14-ST	RSC1-14-SS	14	34	50	M 5 x 16	272
RSC1-15-ST	RSC1-15-SS	15	34	50	M 5 x 16	266
RSC1-16-ST	RSC1-16-SS	16	34	50	M 5 x 16	261
RSC1-20-ST	RSC1-20-SS	20	42	65	M 6 x 16	518
RSC1-25-ST	RSC1-25-SS	25	45	75	M 6 x 16	623
RSC1-30-ST	RSC1-30-SS	30	53	83	M 6 x 18	920
RSC1-35-ST	RSC1-35-SS	35	67	95	M 8 x 25	1880
RSC1-40-ST	RSC1-40-SS	40	77	108	M 8 x 25	2710
RSC1-50-ST	RSC1-50-SS	50	85	124	M 10 x 25	3520

 
 

Black Oxide Steel	Stainless Steel	Inner Dia mm	Outer Dia mm	Length mm	Clamp Screw	Weight g
RSC2-6-ST	RSC2-6-SS	6	18	30	M 3 x 8	47
RSC2-8-ST	RSC2-8-SS	8	24	35	M 3 x 10	102
RSC2-10-ST	RSC2-10-SS	10	29	45	M 4 x 12	185
RSC2-12-ST	RSC2-12-SS	12	29	45	M 4 x 12	180
RSC2-14-ST	RSC2-14-SS	14	34	50	M 5 x 16	272
RSC2-15-ST	RSC2-15-SS	15	34	50	M 5 x 16	266
RSC2-16-ST	RSC2-16-SS	16	34	50	M 5 x 16	261
RSC2-20-ST	RSC2-20-SS	20	42	65	M 6 x 16	518
RSC2-25-ST	RSC2-25-SS	25	45	75	M 6 x 16	623
RSC2-30-ST	RSC2-30-SS	30	53	83	M 6 x 18	920
RSC2-35-ST	RSC2-35-SS	35	67	95	M 8 x 25	1880
RSC2-40-ST	RSC2-40-SS	40	77	108	M 8 x 25	2710
RSC2-50-ST	RSC2-50-SS	50	85	124	M 10 x 25	3520

What Are the Maintenance Requirements for Rigid Couplings?

Rigid couplings are known for their simplicity and low maintenance requirements. Since they do not have moving parts or flexible elements, there are minimal wear and tear issues. However, some maintenance considerations for rigid couplings include:

1. Regular Inspection: It is essential to perform periodic inspections of the rigid couplings to check for any signs of wear, damage, or misalignment. Regular inspections can help identify potential issues early and prevent further problems.

2. Shaft Alignment: Proper shaft alignment is critical for rigid couplings. During installation or whenever maintenance work is performed on the connected machinery, the shaft alignment must be checked and adjusted if necessary. Misalignment can lead to premature coupling failure and cause additional stress on connected equipment.

3. Lubrication: Most rigid couplings do not require lubrication since they have no moving parts. However, some special designs or large-sized couplings may have set screws or other fasteners that require lubrication. It is essential to follow the manufacturer’s guidelines regarding lubrication, if applicable.

4. Corrosion Protection: In corrosive environments, protecting the rigid couplings from corrosion is crucial. This can be achieved through the use of corrosion-resistant materials or coatings.

5. Periodic Re-tightening: If the rigid coupling uses set screws or other fasteners, periodic re-tightening may be necessary to maintain the integrity of the connection. This is particularly important in applications with high vibrations or heavy loads.

6. Temperature Considerations: Rigid couplings may experience thermal expansion or contraction, especially in high-temperature environments. It is essential to consider the thermal expansion characteristics of the coupling material and the connected shafts to ensure proper functioning under varying temperatures.

7. Professional Maintenance: In complex systems or critical applications, it is advisable to seek professional maintenance and alignment services. Expert technicians can ensure proper installation, alignment, and maintenance of rigid couplings, reducing the risk of unexpected failures.

Overall, rigid couplings are designed for reliability and longevity, and proper maintenance practices can further enhance their performance and lifespan. Regular inspections and alignment checks are vital for identifying and addressing potential issues before they escalate into costly problems.

Use of Rigid Couplings for Motor-to-Shaft and Shaft-to-Shaft Connections

Yes, rigid couplings can be used for both motor-to-shaft and shaft-to-shaft connections in mechanical systems. Rigid couplings are designed to provide a solid and non-flexible connection between two shafts. This characteristic makes them versatile for various applications, including motor-to-shaft and shaft-to-shaft connections.

1. Motor-to-Shaft Connections: In motor-to-shaft connections, a rigid coupling is used to connect the output shaft of an electric motor to the driven shaft of a machine or equipment. This ensures direct power transmission without any flexibility. Motor-to-shaft connections are common in applications where the motor’s rotational motion needs to be transferred to the driven equipment with high precision and efficiency.

2. Shaft-to-Shaft Connections: In shaft-to-shaft connections, a rigid coupling joins two shafts directly, providing a solid and immovable link between them. This is beneficial in applications where precise alignment and torque transmission are essential, such as in precision motion control systems or heavy-duty industrial machinery.

Rigid couplings are available in various designs, such as one-piece, two-piece, and split types, to accommodate different shaft arrangements. The type of rigid coupling used depends on the specific application and the shaft sizes to be connected.

Advantages of Using Rigid Couplings:

– Zero backlash ensures accurate motion transfer and positioning.

– Efficient power transmission without loss due to flexibility.

– Minimal maintenance requirements due to their simple design.

– High torque capacity suitable for heavy-duty applications.

– Tolerance to misalignment (within design limits) enhances versatility.

– Provides system stiffness, reducing the risk of resonance and vibration-related issues.

– Suitable for high-speed applications.

– Versatility for various industrial applications.

Whether it’s connecting a motor to a driven shaft or joining two shafts together, rigid couplings offer reliability, precision, and efficiency, making them a popular choice in numerous mechanical systems.

Advantages of Using Rigid Couplings in Mechanical Systems:

Rigid couplings offer several advantages when used in mechanical systems. These advantages make them a preferred choice in certain applications where precise alignment and high torque transmission are essential. Here are the key advantages of using rigid couplings:

• 1. High Torque Transmission: Rigid couplings are designed to handle high torque and power transmission without any loss due to flexibility. They provide a direct and solid connection between shafts, allowing for efficient transfer of rotational motion.
• 2. Precise Alignment: Rigid couplings maintain precise alignment between connected shafts. When installed correctly, they ensure that the two shafts are perfectly aligned, which is crucial for applications where accurate positioning and synchronization are required.
• 3. Synchronous Rotation: The rigid connection provided by these couplings enables synchronous rotation of the connected shafts. This is particularly important in applications where components must move in precise coordination with each other.
• 4. Simple Design: Rigid couplings have a straightforward design with minimal moving parts. This simplicity makes them easy to install and maintain, reducing the chances of mechanical failure.
• 5. Cost-Effective: Compared to some other coupling types, rigid couplings are generally more cost-effective. Their simple design and robust construction contribute to their affordability.
• 6. High Strength and Durability: Rigid couplings are typically made from strong and durable materials such as steel, stainless steel, or aluminum. These materials can withstand heavy loads and provide long-lasting performance in demanding applications.

Rigid couplings are commonly used in various industries and applications, including high-precision machinery, robotics, automation systems, precision motion control, and machine tools. They are especially beneficial in scenarios where misalignment needs to be minimized or avoided altogether.

It’s important to note that while rigid couplings offer these advantages, they are not suitable for applications where shaft misalignment or shock absorption is required. In such cases, flexible couplings or other specialized coupling types may be more appropriate.

editor by CX 2023-10-06