China Hot selling Single Disk Type Flexible Sg7-8 Aluminum Alloy Zero Backlash Shaft Couplings

Product Description

Item No.	φD	L	W	L1	M	Tighten the strength(N.m)
SG7-8-C19-	19.5	20	1.2	9.4	M2.5	1
SG7-8-C26-	26	25.5	2.5	11.5	M3	1.5
SG7-8-C34-	34	32.3	3.3	14.5	M4	1.5
SG7-8-C39-	39	34.1	4.1	15	M4	2.5
SG7-8-C44-	44	34.5	4.5	15	M4	2.5
SG7-8-C50-	50	40.5	4.5	18	M5	7
SG7-8-C56-	56	45	5	20	M5	7
SG7-8-C68-	68	54	6	24	M6	12
SG7-8-C82-	82	68	8	30	M8	16
SG7-8-C94-	94	68	8	30	M8	28
SG7-8-C104-	104	70	10	30	M8	28

Item No.	Rated torque	Maximum Torque	Max Speed	Inertia Moment	N.m rad	RRO	Tilting Tolerance	End-play	Weight:(g)
SG7-8-C19-	1N.m	2N.m	10000prm	0.65×10-6kg.m²	200N.m/rad	0.04mm	1c	±0.2mm	12
SG7-8-C26-	1.4N.m	2.8N.m	10000prm	1.8×10-6kg.m²	690N.m/rad	0.04mm	1c	±0.2mm	31
SG7-8-C34-	2.8N.m	5.6N.m	10000prm	7.2×10-6kg.m²	1650N.m/rad	0.04mm	1c	±0.2mm	64
SG7-8-C39-	5.8N.m	11.6N.m	10000prm	1.8×10-5kg.m²	2500N.m/rad	0.04mm	1c	±0.2mm	97
SG7-8-C44-	8.7N.m	17.4N.m	10000prm	2.5×10-5kg.m²	2900N.m/rad	0.04mm	1c	±0.2mm	113
SG7-8-C50-	15N.m	30N.m	10000prm	8.2×10-5kg.m²	6700N.m/rad	0.04mm	1c	±0.2mm	195
SG7-8-C56-	25N.m	50N.m	10000prm	1×10-4kg.m²	8400N.m/rad	0.04mm	1c	±0.2mm	263
SG7-8-C68-	55N.m	110N.m	10000prm	1.9×10-4kg.m²	11500N.m/rad	0.04mm	1c	±0.2mm	445
SG7-8-C82-	80N.m	160N.m	10000prm	7×10-4kg.m²	14550N.m/rad	0.04mm	1c	±0.2mm	892
SG7-8-C94-	185N.m	370N.m	10000prm	1.23×10-3kg.m²	16900N.m/rad	0.04mm	1c	±0.2mm	950
SG7-8-C104-	255N.m	510N.m	10000prm	1.86×10-3kg.m²	25100N.m/rad	0.04mm	1c	±0.2mm	1190

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Is It Possible to Replace a Shaft Coupling Without Professional Assistance?

Yes, it is possible to replace a shaft coupling without professional assistance, especially if you have some mechanical knowledge and the necessary tools. However, the ease of replacement can vary depending on the type of coupling and the complexity of the equipment. Here are some general steps to guide you through the process:

1. Safety First:

Before starting any work, ensure that the equipment is turned off and disconnected from the power source. Use appropriate personal protective equipment (PPE) to protect yourself from potential hazards.

2. Assess the Coupling Type:

Different types of couplings may have specific installation and removal methods. Identify the type of coupling you need to replace, and consult the manufacturer’s documentation or online resources for guidance.

3. Gather Tools and Materials:

Collect the necessary tools, such as wrenches, sockets, and a puller (if required), to safely remove the old coupling. Have the new coupling ready for installation, ensuring it matches the specifications of the old one.

4. Disassembly:

If your coupling is a split or clamp-style coupling, you may be able to replace it without fully disassembling the connected equipment. Otherwise, you may need to remove other components to access the coupling.

5. Remove Fasteners:

Loosen and remove any fasteners, such as set screws, that secure the old coupling to the shafts. Take care not to damage the shafts during this process.

6. Extraction:

If the old coupling is tightly fitted on the shafts, you may need to use a coupling puller or other appropriate extraction tools to safely remove it.

7. Clean and Inspect:

After removing the old coupling, clean the shaft ends and inspect them for any signs of damage or wear. Also, check for any misalignment issues that may have contributed to the old coupling’s failure.

8. Install New Coupling:

Follow the manufacturer’s instructions for installing the new coupling. Apply appropriate lubrication and ensure the coupling is correctly aligned with the shafts.

9. Fasten Securely:

Tighten the fasteners to the manufacturer’s recommended torque values to securely attach the new coupling to the shafts.

10. Test Run:

After installation, perform a test run of the equipment to ensure the new coupling operates smoothly and without issues.

While it is possible to replace a shaft coupling without professional assistance, keep in mind that some couplings and equipment may require specialized knowledge and tools for safe and proper replacement. If you are uncertain about the process or encounter any difficulties, it is advisable to seek help from a qualified professional or technician to avoid potential damage to the equipment or injury to yourself.

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Real-World Examples of Shaft Coupling Applications in Different Industries

Shaft couplings play a crucial role in various industries by connecting rotating shafts and transmitting torque between them. Here are some real-world examples of shaft coupling applications in different industries:

1. Manufacturing Industry:

In manufacturing plants, shaft couplings are used in various equipment such as conveyor systems, pumps, compressors, and mixers. For example, in a conveyor system, shaft couplings connect the motor shaft to the conveyor belt, allowing efficient material handling and transportation.

2. Oil and Gas Industry:

The oil and gas industry utilizes shaft couplings in applications like drilling rigs, pumps, and generators. In drilling rigs, couplings connect the motor to the drill shaft, enabling the drilling process.

3. Marine Industry:

In the marine industry, shaft couplings are found in propulsion systems, water pumps, and winches. They connect the ship’s engine to the propeller shaft, providing the necessary torque for propulsion.

4. Power Generation:

Power plants use shaft couplings in turbines, generators, and cooling systems. For instance, in a steam turbine, couplings connect the turbine to the electrical generator, allowing the conversion of steam energy into electrical power.

5. Aerospace Industry:

Aerospace applications use shaft couplings in aircraft engines, landing gear systems, and auxiliary power units. Couplings enable power transmission between different components of the aircraft systems.

6. Automotive Industry:

In vehicles, shaft couplings are present in the drivetrain, steering systems, and transmission. For example, in a car’s transmission system, couplings connect the engine to the gearbox, enabling smooth gear changes and power transmission to the wheels.

7. Mining Industry:

The mining industry relies on shaft couplings in heavy-duty machinery such as crushers, conveyor belts, and pumps. Couplings connect motors to various mining equipment, facilitating material extraction and transportation.

8. Agriculture:

Agricultural machinery like tractors and harvesters use shaft couplings to connect the engine to implements such as plows, harvesters, and irrigation pumps.

These examples demonstrate the wide-ranging applications of shaft couplings across industries. In each case, the specific coupling type is chosen based on factors such as torque requirements, misalignment compensation, environmental conditions, and load characteristics to ensure reliable and efficient operation.

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What is a Shaft Coupling and Its Role in Mechanical Power Transmission?

A shaft coupling is a mechanical device used to connect two shafts together at their ends, allowing for the transmission of mechanical power from one shaft to another. It serves as an essential component in various machinery and industrial applications where rotational motion needs to be transmitted between two shafts that are not perfectly aligned or are separated by a distance.

The role of a shaft coupling in mechanical power transmission includes the following:

1. Power Transmission:

The primary function of a shaft coupling is to transmit power from a driving shaft to a driven shaft. When the driving shaft rotates, the coupling transfers the rotational motion to the driven shaft, enabling the driven equipment to perform its intended function.

2. Misalignment Compensation:

In real-world applications, it is often challenging to achieve perfect alignment between two shafts due to manufacturing tolerances or dynamic conditions. Shaft couplings are designed to accommodate different types of misalignment, such as angular, parallel, and axial misalignment, allowing the equipment to function smoothly even when the shafts are not perfectly aligned.

3. Vibration Damping:

Shaft couplings can help dampen vibrations and shocks caused by uneven loads or sudden changes in the operating conditions. This vibration damping feature protects the connected components from damage and contributes to the overall system’s reliability.

4. Overload Protection:

In some cases, a shaft coupling can act as a safety device by providing overload protection. When the connected machinery experiences excessive torque or shock loads, certain types of couplings can disengage or shear to prevent damage to the equipment.

5. Torque and Speed Conversion:

Shaft couplings can be designed to provide torque and speed conversion between the driving and driven shafts. This allows for adaptation to different operating conditions and varying torque requirements in the connected machinery.

6. Flexible Connection:

Shaft couplings with flexible elements, such as elastomeric inserts or flexible discs, provide a flexible connection that can absorb shocks and misalignments. This flexibility helps reduce stress on the connected equipment and extends its lifespan.

Overall, shaft couplings are essential components in mechanical power transmission systems, enabling the efficient transfer of rotational motion between shafts while accommodating misalignments and providing protection against overloads and vibrations. The selection of the appropriate coupling type and design depends on the specific requirements of the application, including the type of misalignment, torque capacity, and operating conditions.

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editor by CX 2024-04-24