China Standard Gfc-65X80 Aluminum Alloy Gfc Type Flexible Shaft Coupling Jaw Coupling

Product Description

GFC-65X80 Aluminum Alloy GFC Type Flexible Shaft Coupling Jaw Coupling


GFC-65X80 Aluminum Alloy GFC Type Flexible Shaft Coupling Jaw Coupling

model parameter common bore diameter d1,d2 ΦD L LF LP F M tightening screw torque
GFC-14X22 3,4,5,6,6.35 14 22 14.3 6.6 5.0 M2.5 1.0
GFC-20×25 3,4,5,6,6.35,7,8,9,9.525,10 20 25 16.7 8.6 5.9 M3 1.5
GFC-20X30 3,4,5,6,6.35,7,8,9,9.525,10 20 30 19.25 8.6 5.9 M3 1.5
GFC-25X30 4,5,6,6.35,7,8,9,9.525,10,11,12 25 30 20.82 11.6 8.5 M4 2.5
GFC-25X34 4,5,6,6.35,7,8,9,9.525,10,11,12 25 34 22.82 11.6 8.5 M4 2.5
GFC-30×35 5,6,6.35,7,8,9,10,11,12,12.7,14,15,16 30 35 23 11.5 10 M4 2.5
GFC-30X40 5,6,6.35,7,8,9,10,11,12,12.7,14,15,16 30 40 25 11.5 10 M4 2.5
GFC-40X50 6,8,9,10,11,12,12.7,14,15,16,17,18,19,20,22,24 40 50 32.1 14.5 14 M5 7
GFC-40X55 6,8,9,10,11,12,12.7,14,15,16,17,18,19,20,22,24 40 55 34.5 14.5 14 M5 7
GFC-40X66 6,8,910,11,12,12.7,14,15,16,17,18,19,20,22,24 40 66 40 14.5 14 M5 7
GFC-55X49 10,11,12,12.7,14,15,16,17,18,19,20,22,24,25,28,30,32 55 49 32 16.1 13.5 M6 12
GFC-55X78 8,10,12,12.7,14,15,16,17,18,19,20,22,24,25,28,30,32 55 78 46.4 16.1 19 M6 12
GFC-65X80 14,15,16,17,18,19,20,22,24,25,28,30,32,35,38,40 65 80 48.5 17.3 14 M8 20
GFC-65X90 14,15,16,17,18,19,20,22,24,25,28,30,32,35,38,40 65 90 53.5 17.3 22.5 M8 20
GFC-80X114 19,20,22,24,25,28,30,32,35,38,40,42,45 80 114 68 22.5 16 M8 20
GFC-95X126 19,20,22,24,25,28,30,32,35,38,40,42,45,50,55 95 126 74.5 24 18 M10 30



model parameter Rated torque
allowable eccentricity
allowable deflection angle
allowable axial deviation
maximum speed
static torsional stiffness
moment of inertia
Material of shaft sleeve Material of shrapnel surface treatment weight
GFC-14X22 5.0 0.1 1 ±02 10000 50 1.0×10-6 High strength aluminum alloy Polyurethane imported from Germany Anodizing treatment 10
GFC-20X25 5.0 0.1 1 ±02 10000 50 1.0×10-6 15
GFC-20X30 5.0 0.1 1 ^02 10000 53 1.1×10-6 19
GFC-25X30 10 0.1 1   10000 90 5.2X10-6 33
GFC-25X34 10 0.1 1 £)2 10000 90 5.2×10-6 42
GFC-30X35 12.5 0.1 1 ±02 10000 123 6.2×10-6 50
GFC-30×40 12.5 0.1 1 102 10000 123 6.2×10-6 60
GFC-40X50 17 0.1 1   8000 1100 3.8×10-5 115
GFC-40X55 17 0.1 1 ±02 8000 1100 3.8×10-5 127
GFC-40X66 17 0.1 1   7000 1140 3.9×10-5 154
GFC-55X49 45 0.1 1 ±02 6500 2350 1.6×10-3 241
GFC-55X78 45 0.1 1 102 6000 2500 1.6×10-3 341
GFC-65X80 108 0.1 1 ±02 5500 4500 3.8×10-3 433
GFC-65X90 108 0.1 1 ±02 5500 4800 3.8×10-3 583
GFC-80X114 145 0.1 1 £)2 4500 5000 1.8×10-3 1650
GFC-95X126 250 0.1 1 ±02 4000 5000 2.0×10-3 1000


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jaw coupling

Contribution of Jaw Coupling to Equipment Longevity

Jaw couplings play a vital role in enhancing the longevity and reliability of connected equipment in mechanical power transmission systems. The design and features of jaw couplings contribute to minimizing wear, reducing downtime, and protecting the equipment from harmful forces. Here’s how jaw couplings contribute to equipment longevity:

  • Shock Absorption: Jaw couplings have elastomeric spider inserts that act as shock absorbers, dampening vibrations and impact loads. This helps in protecting the connected equipment from sudden shocks and extends its operational life.
  • Misalignment Compensation: In real-world applications, shaft misalignment is common due to thermal expansion, machine settling, or manufacturing tolerances. Jaw couplings can tolerate a certain degree of misalignment, reducing stress on bearings, seals, and other components of the equipment.
  • Overload Protection: During overloads or torque spikes, jaw couplings can flex slightly, absorbing excess torque and preventing damage to the equipment. This overload protection feature prevents catastrophic failures and extends the life of mechanical components.
  • Backlash Reduction: Excessive backlash in a power transmission system can lead to inaccuracies in motion control and wear on components. Jaw couplings are designed to provide low backlash, enhancing precision and minimizing wear on gears and other sensitive parts.
  • Resilience to Contaminants: Jaw couplings often feature enclosed designs that protect the elastomeric spider from contaminants like dust, dirt, and moisture. This helps in maintaining the coupling’s performance and preventing premature failure due to external elements.
  • Low Maintenance: Compared to some other types of couplings, jaw couplings require minimal maintenance. Regular lubrication and inspection of the coupling can significantly extend its life and keep the connected equipment running smoothly.
  • Easy Installation: The simple and compact design of jaw couplings makes them easy to install and integrate into various mechanical systems. Proper installation ensures efficient power transmission and reduces the chances of component damage.

Overall, jaw couplings contribute to equipment longevity by providing protection against shock loads, compensating for misalignment, preventing overloads, reducing backlash, and offering resilience to environmental factors. By selecting the right jaw coupling for the application and following proper maintenance practices, users can maximize the lifespan of connected equipment and improve the overall efficiency of their mechanical systems.

jaw coupling

What are the real-world applications of jaw couplings in various industries?

Jaw couplings find extensive use in various industries due to their versatility, ease of installation, and ability to handle misalignment. Their robust design and flexible elastomer spider make them suitable for a wide range of applications. Here are some real-world applications of jaw couplings in different industries:

  1. Industrial Machinery: Jaw couplings are commonly used in industrial machinery for power transmission between motors and driven equipment. They are found in conveyor systems, pumps, fans, compressors, mixers, and other rotating equipment. Their ability to compensate for misalignment and dampen vibrations makes them ideal for such applications.
  2. Agriculture: In agricultural equipment, jaw couplings are employed to transfer power from tractors or other power sources to various implements such as plows, mowers, and harvesters. The couplings’ resistance to shock and impact loads makes them suitable for the rugged conditions encountered in agricultural operations.
  3. Construction and Mining: Jaw couplings are used in construction and mining machinery to transmit power between engines and equipment like concrete mixers, excavators, rock crushers, and conveyor systems. The couplings’ ability to handle misalignment and shock loads is beneficial in these demanding and dynamic environments.
  4. Material Handling: Jaw couplings are employed in material handling systems, including automated production lines and warehouse conveyors. They facilitate smooth power transmission in equipment like belt conveyors, bucket elevators, and packaging machines.
  5. Marine: In the marine industry, jaw couplings are used in propulsion systems to connect engines to propellers and other equipment. Their resistance to corrosion and ability to handle misalignment make them suitable for marine applications in various vessels, including boats and ships.
  6. Printing and Packaging: Jaw couplings are used in printing and packaging machinery to drive rollers, slitters, and other components. Their precise torque transmission and ability to handle small misalignments contribute to the smooth operation of these machines.
  7. Automotive: In the automotive sector, jaw couplings are used in various applications, including power steering systems, engine-driven accessories, and HVAC blowers. Their compact design and efficient power transmission characteristics are well-suited for automotive applications.
  8. Textile: Jaw couplings are used in textile machinery to drive spinning frames, looms, and other textile processing equipment. Their ability to handle misalignment and provide smooth power transmission is vital in maintaining the precision required for textile production.
  9. Medical Equipment: Jaw couplings are utilized in medical devices and equipment to transfer power between motors and driven components. Their compact size and quiet operation are advantageous for various medical applications.
  10. Renewable Energy: Jaw couplings are used in renewable energy applications, such as wind turbines and solar tracking systems, to transmit power between the generator and other components. Their ability to handle misalignment is beneficial in these dynamically changing environments.

In summary, jaw couplings have widespread applications across multiple industries due to their ability to handle misalignment, dampen vibrations, and provide efficient power transmission. Their adaptability and reliability make them a popular choice for various mechanical systems in different sectors.

jaw coupling

Use of Jaw Couplings in Horizontal and Vertical Shaft Arrangements

Jaw couplings are versatile and can be used in both horizontal and vertical shaft arrangements. Their flexible and misalignment-absorbing design makes them suitable for various applications in different orientations.

Horizontal Shaft Arrangements: In horizontal shaft arrangements, the shafts are positioned parallel to the ground. Jaw couplings are commonly employed in this configuration to connect two shafts, such as those found in motor-driven systems, conveyor belts, and pumps.

Vertical Shaft Arrangements: In vertical shaft arrangements, the shafts are positioned perpendicular to the ground, one above the other. Jaw couplings can also be used in this setup to transmit power between the two vertically aligned shafts. Examples of applications with vertical shaft arrangements include some types of gearboxes, vertical pumps, and certain types of compressors.

It’s important to note that when using jaw couplings in vertical shaft arrangements, the weight of the connected equipment can impose axial loads on the coupling. In such cases, the coupling should be selected to handle both the radial and axial loads to ensure reliable performance.

Whether in horizontal or vertical arrangements, jaw couplings provide a cost-effective and efficient method of power transmission while accommodating misalignment and reducing shock loads. However, it is essential to consider the specific application’s requirements and select the appropriate size and type of jaw coupling for optimal performance and longevity.

China Standard Gfc-65X80 Aluminum Alloy Gfc Type Flexible Shaft Coupling Jaw Coupling  China Standard Gfc-65X80 Aluminum Alloy Gfc Type Flexible Shaft Coupling Jaw Coupling
editor by CX 2024-04-19

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