Product Description
INTRODUCTION
Introduction
A coupling connects 2 shafts, enabling power transmission while allowing for some misalignment or movement. They come in different shapes and sizes and are essential in reducing maintenance and equipment downtime.
Functions
| To transmit power |
| Absorb any misalignment |
| Absorb any vibration |
| Reduce the level of heat that is transfered |
Types
- Rigid Coupling: Used in low-speed, low-torque applications for precise alignment and secure hold.
- Flexible Coupling: Compensates for small misalignments and provides vibration dampening.
- Bellow Coupling: Offers high precision torque and allows for minor misalignment correction.
- Fluid Coupling: Operates through hydraulic fluid, providing smooth engagement.
- Beam Coupling: Allows for misalignment between shafts while transmitting power.
- Flanged Coupling: Delivers high torque output through bolted flanges.
- Gear Coupling: Transmits high torque output through teeth on independent units.
Applications
| Conveyors | X-Ray machines |
| Gearbox | Washing machines |
| Food processing machines | Tumble dryers |
| Lawnmowers | Wind turbines |
Materials
Couplings can be made from a number of different materials. The material used depends on what application the coupling will be used for, the quality of the coupling, and how much the user wants to spend. We have listed the most common materials below:
| Aluminum |
| Steel |
| Acetal |
| Titanium |
| Stainless Steel |
PRODUCT
| DRAWING | |
| DIMENSIONS | |
| Model | TLK500 35X75 INOX |
| Material | Stainless Steel AISI304 |
| Shaft Diamter [d] | 35mm |
| Outside Diameter [D] | 75mm |
| L | 75mm |
| Width[B] | 83mm |
| Torque | 790Nm |
| Weight | 13kg |
CATALOG
| TLK 500 SERIES CATALOG | |||||||
| Dimensions | Torque | Axial force |
Thightening Screws | Weight | |||
| DIN912 12.9 |
Tightening torque |
||||||
| dx D mm |
L mm |
B mm |
M Nm |
Fax N°x Type |
Nx Type | M3 Nm |
Kg |
| 17 x50 | 50 | 56 | 200 | 24 | 4x M6 | 17 | 5 |
| 18×50 | 50 | 56 | 220 | 24 | 4x M6 | 17 | 5 |
| 19×50 | 50 | 56 | 230 | 24 | 4x M6 | 17 | 5 |
| 20 x50 | 50 | 56 | 240 | 24 | 4x M6 | 17 | 5 |
| 22 x 55 | 60 | 66 | 260 | 24 | 4x M6 | 17 | 6 |
| 24×55 | 60 | 66 | 290 | 24 | 4x M6 | 17 | 6 |
| 25×55 | 60 | 66 | 450 | 36 | 6x M6 | 17 | 6 |
| 28×60 | 60 | 66 | 510 | 36 | 6x M6 | 17 | 7 |
| 30 x60 | 60 | 66 | 550 | 36 | 6x M6 | 17 | 7 |
| 32 x75 | 60 | 68 | 720 | 45 | 4x M8 | 41 | 13 |
| 35×75 | 75 | 83 | 790 | 45 | 4 x M8 | 41 | 13 |
| 38×75 | 75 | 83 | 850 | 45 | 4x M8 | 41 | 13 |
| 40×75 | 75 | 83 | 900 | 45 | 4 x M8 | 41 | 13 |
| 42×90 | 75 | 83 | 1400 | 67 | 6x M8 | 41 | 28 |
| 45×90 | 85 | 93 | 1520 | 67 | 6x M8 | 41 | 25 |
| 48×90 | 85 | 93 | 1620 | 67 | 6x M8 | 41 | 24 |
| 50 x90 | 85 | 93 | 1690 | 67 | 6x M8 | 41 | 23 |
| 55×105 | 85 | 93 | 2470 | 90 | 8x M8 | 41 | 33 |
| 60×105 | 85 | 93 | 2710 | 90 | 8x M8 | 41 | 32 |
| 65×105 | 85 | 93 | 2930 | 90 | 8x M8 | 41 | 30 |
| 70×125 | 100 | 110 | 3770 | 107 | 6x M10 | 83 | 54 |
| 75×125 | 100 | 110 | 4030 | 107 | 6xM10 | 83 | 50 |
| 80×125 | 100 | 110 | 4300 | 107 | 6x M10 | 83 | 47 |
| CHARACTERISTICS | |||||||
| Medium high torque | |||||||
| Restricted number of tightening screws | |||||||
| Easy installation | |||||||
| Application economically advantageous | |||||||
| INSTALLATION | |||||||
| Carefully clean the shafts contact surfaces. Fit the rigid coupling at the end of the connecting shafts. Tighten gradually and regularly in crossed sequence all screws to reach the tightening torque Ms indicated on the table. | |||||||
| DISMANTLING | |||||||
| By loosening all tightening screws the clamping cones are normally released. However in case of difficulties slightly hammer the released screws in a way to push back the rear pressure cone. | |||||||
| TOLERANCES & SURFACE FINISH | |||||||
| A good surface finish by the machine tool is sufficient. Maximum allowable surface finish: Rt max 16 µm (Ra 3 µm – Rz 13 µm) | |||||||
| Maximum permissible tolerances: h8 for shaft | |||||||
ABOUT US
Granville Group
Granville Group started from London and gradually oriented to global markets through resource integration, the Granville’s businesses are present across 5 continents. We operate in 4 industry clusters: Components for Industry and automotive; Machine tools and mechatronics; Energy and New materials, and Healthcare.
Granville Industrial Co., Ltd.
Granville Industrial Co., Ltd., which was founded in Britain, and involved in various auto parts, is 1 of the important manufacturers and suppliers worldwide.
HangZhou Granville Mechanical and Electrical Co., Ltd.
To maximize meet customer needs and market requirements for flexible reactions, Granville research and development, design, manufacture, business integration, and almost the whole business process through HangZhou Granville Mechanical & Electrical Co., Ltd. since 2012. In main foreign markets, products are sold all over the world.
Granville Brands
| GIL | bearing and power transmission products |
| TANN | mounted bearing units and related accessories |
| G-TECH AUTOMOTIVE | automotive aftermarkt parts |
| YANGSEN | cnc machine tools |
| GIL ELECTRONIC | electrical motor product and solutions |
Values
| Corperate Culture | Discipline, Treats people the enthusiasm, Diversity, Teamwork |
| Our Core Value | Thoughtcast, Innovation, and Progressive |
| Focus | The company focuses on supply chain management and customer service |
You Can Get
Granville offers a full range of services to both OEM and aftermarket customers around the world, in every major industry, at each phase of the asset life cycle.
Granville advanced service solutions can help you to:
| Improve productivity |
| Reduce maintenance costs |
| Improve energy efficiency |
| Optimise designs |
| Reduce time to market |
| Reduce total cost of ownership |
We strictly follow the core of quality management process control:
| APQP | Advanced Product Quality PlHangZhou |
| SPC | Statistical Process Control |
| MSA | Measurement System Analysis |
| PFMCA | Potential Failure Modes and Consequences Analysis |
| PPAP | Production Part Approval Procedure |
Product Ranges
From conception, to innovation, to improve, we are in new transmission solution innovation is your trustworthy partner.
| Bearings | Machine Tools |
| CNC Machines | Chains |
| Sprockets | Transmission Parts |
| Automotive Spare Parts | Automation |
| in Vitro Diagnostic | Minerals |
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Can Rigid Couplings Handle Misalignment Between Shafts?
Rigid couplings are not designed to handle misalignment between shafts. Unlike flexible couplings that can accommodate slight misalignment through their bending or elastic properties, rigid couplings are intended to provide a fixed and immovable connection between two shafts. As a result, any misalignment between the shafts can lead to increased stress and uneven loading on connected components.
It is essential to ensure precise alignment when using rigid couplings to avoid premature wear and failure of the system. The shafts must be perfectly aligned in both the axial and angular directions before installing the rigid coupling. Proper alignment helps distribute the load evenly and reduces stress concentration on specific areas, such as bearings and keyways.
If a system requires some level of misalignment compensation due to factors like thermal expansion or slight shaft deflection, a flexible coupling should be considered instead. Flexible couplings can tolerate small degrees of angular and axial misalignment while still transmitting torque efficiently and protecting the connected equipment from excessive stress and wear.
In summary, rigid couplings are best suited for applications where precise shaft alignment can be achieved and maintained, while flexible couplings are more appropriate for systems with potential misalignment or other dynamic factors that require some degree of flexibility.
Impact of Rigid Coupling on the Overall Reliability of Connected Equipment
A rigid coupling plays a crucial role in enhancing the overall reliability of connected equipment in mechanical systems. Here’s how it positively impacts reliability:
1. Power Transmission Efficiency: Rigid couplings provide a direct and efficient connection between the shafts of the connected equipment. With no flexible elements, there is minimal power loss, ensuring efficient power transmission from one shaft to another.
2. Elimination of Backlash: Rigid couplings have zero backlash, which is crucial in precision applications. Backlash, which is the play or clearance between connected components, can cause inaccuracies in motion control systems. With a rigid coupling, any movement is directly transferred, maintaining precise positioning.
3. Zero-Maintenance Option: Some rigid couplings are designed to be maintenance-free. They do not require lubrication or periodic adjustments, reducing downtime and ensuring continuous operation.
4. High Torque Transmission: Rigid couplings can handle high torque loads, making them suitable for heavy-duty applications. Their robust construction ensures reliable torque transmission without failure or slippage.
5. Resistant to Misalignment: While rigid couplings offer no flexibility, they are excellent at handling axial misalignment and angular misalignment, provided it falls within their design limits. This ability to tolerate some misalignment enhances reliability and reduces the risk of component damage.
6. Vibration Damping: The stiffness of rigid couplings aids in damping vibrations generated during operation. By minimizing vibrations, the coupling helps protect connected equipment from excessive stress and fatigue failure.
7. Increased System Stiffness: Rigid couplings contribute to the overall stiffness of the mechanical system. This stiffness improves the dynamic response of the system and reduces the likelihood of resonance, leading to more reliable operation.
8. Simple and Compact Design: Rigid couplings have a straightforward and compact design, which reduces the chances of component failure or wear. Their simplicity makes them easy to install and maintain, further enhancing system reliability.
9. Suitable for High-Speed Applications: Rigid couplings are well-suited for high-speed applications due to their ability to maintain accurate shaft alignment and transmit torque efficiently.
10. Compatibility with Various Industries: Rigid couplings find applications in a wide range of industries, including automotive, aerospace, manufacturing, and more. Their versatility and reliability make them a popular choice in demanding industrial environments.
Overall, the use of a properly selected and installed rigid coupling enhances the reliability of connected equipment by providing a robust and efficient connection between shafts. It ensures precise power transmission, reduced maintenance requirements, and improved system performance, leading to increased overall reliability and uptime of the mechanical system.
Materials Used in Manufacturing Rigid Couplings:
Rigid couplings are designed to provide a strong and durable connection between two shafts, and they are commonly made from a variety of materials to suit different applications. The choice of material depends on factors such as the application’s environment, load capacity, and cost considerations. Some common materials used in manufacturing rigid couplings include:
- 1. Steel: Steel is one of the most widely used materials for rigid couplings. It offers excellent strength, durability, and resistance to wear. Steel couplings are suitable for a wide range of applications, including industrial machinery, automotive systems, and power transmission.
- 2. Stainless Steel: Stainless steel couplings are used in applications where corrosion resistance is crucial. They are well-suited for environments with high humidity, moisture, or exposure to chemicals. Stainless steel couplings are commonly used in food processing, pharmaceuticals, marine, and outdoor applications.
- 3. Aluminum: Aluminum couplings are known for their lightweight and corrosion-resistant properties. They are often used in applications where weight reduction is essential, such as aerospace and automotive industries.
- 4. Brass: Brass couplings offer good corrosion resistance and are commonly used in plumbing and water-related applications.
- 5. Cast Iron: Cast iron couplings provide high strength and durability, making them suitable for heavy-duty industrial applications and machinery.
- 6. Bronze: Bronze couplings are known for their excellent wear resistance and are often used in applications involving heavy loads and low speeds.
- 7. Plastics: Some rigid couplings are made from various plastics, such as nylon or Delrin. Plastic couplings are lightweight, non-conductive, and suitable for applications where electrical insulation is required.
It’s essential to consider the specific requirements of the application, including factors like load capacity, operating environment, and cost, when choosing the appropriate material for a rigid coupling. The right material selection ensures that the coupling can withstand the forces and conditions it will encounter, resulting in a reliable and long-lasting connection between the shafts.
editor by CX 2024-04-29