Product Description
| GLTS-82X98.1 Aluminum alloy single step double diaphragm clamp type coupling |
Dimensions of GLTS-82X98.1 Aluminum alloy single step double diaphragm clamp type coupling
| model parameter | common bore diameter d1 | common bore diameter d2 | D | ΦN | L | LF1 | LF | S | LP | d3 | M | tightening screw torque (N.M) |
||
| smallest | maximum | smallest | maximum | |||||||||||
| GLTS-34×42.9 | 5 | 12 | 5 | 15 | 34 | 21.6 | 42.9 | 12.15 | 14.25 | 3.5 | 9.5 | Φ16 | M3 | 1.5 |
| GLTS-39×50.2 | 6 | 15 | 6 | 19 | 39 | 25 | 50.2 | 15.15 | 14.9 | 4.5 | 11.15 | Φ19 | M4 | 2.5 |
| GLTS-44×50.2 | 6 | 18 | 6 | 22 | 44 | 29.6 | 50.2 | 15.15 | 14.9 | 4.5 | 11.15 | Φ22.5 | M4 | 2.5 |
| GLTS-56×64.1 | 8 | 24 | 8 | 32 | 56 | 38 | 64.1 | 19.90 | 19.75 | 5.5 | 13.45 | Φ32.5 | M5 | 7 |
| GLTS-68×75.6 | 10 | 30 | 10 | 38 | 68 | 46 | 75.6 | 24 | 23.35 | 6.3 | 15.65 | Φ38.5 | M6 | 12 |
| GLTS-82×98.1 | 16 | 38 | 16 | 45 | 82 | 56 | 98.1 | 30.15 | 30 | 8 | 21.95 | Φ45 | M8 | 20 |
| model parameter | Rated torque (N.M)* |
allowable eccentricity (mm)* |
allowable deflection angle (°)* |
allowable axial deviation (mm)* |
maximum speed rpm |
static torsional stiffness (N.M/rad) |
moment of inertia (Kg.M2) |
Material of shaft sleeve | Material of shrapnel | surface treatment | weight (g) |
| GLTS-34×42.9 | 3 | 0.02 | 1 | ±0.20 | 10000 | 2000 | 6.01×10-5 | High strength aluminum alloy | S U S 3 0 4 Spring steel | Anodizing treatment | 57 |
| GLTS-39×50.2 | 6 | 0.02 | 1 | ±0.25 | 10000 | 4500 | 1.49×10-5 | 103 | |||
| GLTS-44×50.2 | 9 | 0.02 | 1 | ±0.30 | 10000 | 5200 | 2.25×10-5 | 124 | |||
| GLTS-56×64.1 | 25 | 0.02 | 1 | ±0.40 | 10000 | 11000 | 7.23×10-5 | 269 | |||
| GLTS-68×75.6 | 60 | 0.02 | 1 | ±0.45 | 10000 | 19000 | 2.02×10-4 | 471 | |||
| GLTS-82×98.1 | 100 | 0.02 | 1 | ±0.55 | 10000 | 22000 | 5.95×10-4 | 375 |
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Industries and Use Cases for Diaphragm Couplings
Diaphragm couplings find applications in various industries due to their flexibility, precision, and ability to handle misalignment. Here are some common industries that commonly use diaphragm couplings and their specific use cases:
- Industrial Machinery:
- Power transmission in pumps and compressors
- Motion control systems in robotics and automation
- Drive systems for conveyors and material handling equipment
- Motion control applications in packaging and printing machinery
- Oil and Gas:
- Gas compressors and turbine drives
- Extraction pumps and mud pumps
- Rotating equipment on offshore platforms
- Power transmission in drilling rigs
- Steel and Metal Processing:
- Rolling mills and metal forming equipment
- Continuous casting machines
- High-temperature furnace drives
- Steel shears and cutters
- Aerospace and Defense:
- Aircraft engine power transmission
- Missile and satellite systems
- Airborne radar and avionics equipment
- Military vehicle drivetrains
- Marine:
- Marine propulsion systems
- Shipboard pumps and compressors
- Power transmission in marine generators
- Steering systems for marine vessels
- Chemical and Process Industries:
- Chemical processing pumps and compressors
- Agitators and mixers
- Reaction vessels and reactors
- Chemical plant material handling systems
In the industrial machinery sector, diaphragm couplings are utilized for:
In the oil and gas industry, diaphragm couplings are commonly used in:
Diaphragm couplings play a vital role in the steel and metal processing industry, where they are used in:
In the aerospace and defense sector, diaphragm couplings are utilized in:
In the marine industry, diaphragm couplings are commonly found in:
In the chemical and process industries, diaphragm couplings are used in:
These examples represent just a few of the many industries where diaphragm couplings are utilized. Their ability to handle misalignment, dampen vibrations, and transmit torque reliably makes them an integral part of various mechanical systems in different sectors.
How Diaphragm Couplings Handle Torsional Stiffness and Dynamic Balancing in Rotating Machinery
Diaphragm couplings are engineered to address two critical aspects of rotating machinery: torsional stiffness and dynamic balancing. These features ensure efficient power transmission and smooth operation in various industrial applications. Here’s how diaphragm couplings achieve torsional stiffness and dynamic balancing:
- Torsional Stiffness:
- Dynamic Balancing:
Torsional stiffness refers to the ability of a coupling to resist angular deflection or twisting when torque is applied. Diaphragm couplings are designed with a flexible diaphragm made of a high-strength metallic material. This diaphragm connects the two shafts and transmits torque between them.
The design of the diaphragm allows it to flex slightly under load while maintaining its integrity. This controlled flexibility ensures that the diaphragm coupling can handle misalignments and accommodate minor variations in the alignment of the shafts. Despite this flexibility, diaphragm couplings offer high torsional stiffness, ensuring efficient power transmission without significant energy losses due to deformation.
The combination of flexibility and torsional stiffness allows diaphragm couplings to absorb shocks and vibrations, which can occur during start-up or during sudden changes in load. As a result, diaphragm couplings help protect the connected machinery from damage caused by torque fluctuations and torsional vibrations.
Dynamic balancing is crucial to prevent excessive vibrations in rotating machinery, which can lead to premature wear, increased stress on components, and reduced equipment lifespan. Imbalanced rotating parts can cause oscillations and resonance, adversely affecting the overall performance of the system.
Diaphragm couplings are inherently well-balanced due to their symmetrical design and the equal distribution of mass around the center of rotation. This balanced configuration minimizes the generation of vibrations during operation. Additionally, the flexibility of the diaphragm helps dampen any residual vibrations that may arise, further contributing to the dynamic balancing of the system.
In cases where extremely high precision is required, diaphragm couplings can undergo additional balancing processes during manufacturing to fine-tune their dynamic characteristics. This process ensures that the coupling operates optimally even at high rotational speeds.
By efficiently handling torsional stiffness and dynamic balancing, diaphragm couplings contribute to the smooth and reliable operation of rotating machinery across various industries. Their ability to handle misalignments, dampen vibrations, and transmit torque accurately makes them an essential component in many critical applications, such as pumps, compressors, turbines, and more.
Can Diaphragm Couplings Accommodate Different Shaft Sizes and Handle High Torque Loads?
Yes, diaphragm couplings are designed to accommodate different shaft sizes and handle high torque loads efficiently. Here’s how they achieve these functionalities:
Accommodating Different Shaft Sizes:
Diaphragm couplings are available in various sizes and configurations, allowing them to accommodate different shaft diameters. The hubs of the coupling can be manufactured with different bore sizes to match the specific diameter of the connected shafts. This versatility makes diaphragm couplings suitable for a wide range of applications, where the shafts may have different sizes.
Handling High Torque Loads:
Despite their flexible design, diaphragm couplings are capable of handling high torque loads. The flexible diaphragm, typically made of high-strength metal, can transmit torque effectively between the shafts without significant power loss. The corrugations or convolutions in the diaphragm contribute to its torsional rigidity, ensuring efficient torque transmission even at high levels of power.
Moreover, the metal diaphragm’s ability to flex and absorb misalignment also helps in distributing the torque evenly, minimizing stress concentrations on the coupling and connected machinery. This feature allows diaphragm couplings to maintain their performance and reliability under demanding conditions with high torque requirements.
In summary, diaphragm couplings can accommodate different shaft sizes by offering a range of hub sizes and configurations. Additionally, they are capable of handling high torque loads efficiently due to the torsional rigidity of the flexible metal diaphragm and its ability to absorb misalignment, ensuring smooth and reliable torque transmission in various mechanical systems.
editor by CX 2024-05-08