Product Description
GFC Type Spider Coupling Flexible Shaft Coupling GFC-30×35
GFC Type Spider Coupling Flexible Shaft Coupling GFC-30×35
| model parameter | common bore diameter d1,d2 | ΦD | L | LF | LP | F | M | tightening screw torque (N.M) |
| 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 (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) |
| 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 | 165 |
Could you provide examples of industries or applications where spider couplings are commonly used?
Spider couplings find application in a wide range of industries and mechanical systems where torque transmission, misalignment compensation, and vibration dampening are important. Here are some examples of industries and applications where spider couplings are commonly used:
- Manufacturing: Spider couplings are used in various manufacturing equipment, including conveyor systems, packaging machinery, and CNC machines. They help transmit torque between motors and shafts while accommodating misalignment.
- Agriculture: Agricultural equipment such as tractors, combines, and harvesters often use spider couplings to connect and transmit power between different components.
- Automotive: Spider couplings can be found in automotive applications, including drive shaft connections and steering systems, where they help transfer torque and accommodate movement.
- Pumps and Compressors: Spider couplings are used in pumps and compressors to connect motors to impellers or rotors, ensuring efficient torque transmission and vibration isolation.
- Material Handling: Material handling systems, including conveyors, elevators, and cranes, use spider couplings to connect various components and transfer torque.
- Printing and Packaging: Spider couplings are used in printing presses, packaging machines, and labeling systems to ensure precise torque transmission and compensate for misalignment.
- Textile Machinery: Textile manufacturing equipment such as spinning machines and looms utilize spider couplings to connect drive components and transmit power efficiently.
- Food and Beverage: Spider couplings are used in food processing equipment and beverage production lines, where they provide sanitary and reliable torque transmission.
These examples illustrate the versatility of spider couplings in various industries and applications. Their ability to handle torque transmission, misalignment compensation, and vibration reduction makes them a practical choice for a wide range of mechanical systems.
What are the symptoms of spider coupling wear or deterioration, and how can they be identified?
Spider couplings, like other mechanical components, can experience wear and deterioration over time due to factors such as torque, misalignment, and environmental conditions. Identifying the symptoms of wear is crucial for maintaining coupling performance and preventing unexpected failures. Here are some common symptoms of spider coupling wear and deterioration:
- Vibration and Noise: Increased vibration or unusual noise during operation can indicate wear in the spider coupling. Excessive wear can lead to reduced dampening of vibrations and increased noise levels.
- Reduced Torque Transmission: If the coupling is no longer transmitting torque efficiently, it may indicate wear or damage to the elastomeric spider. Reduced torque transmission can result in decreased equipment performance.
- Visible Cracks or Tears: Inspect the elastomeric spider for visible cracks, tears, or signs of deformation. These issues can lead to uneven load distribution and compromised coupling function.
- Uneven Shaft Movement: Misalignment caused by wear can lead to uneven movement of connected shafts. This can be observed through irregular motion or wobbling during operation.
- Increased Heat Generation: If the coupling is generating more heat than usual, it may indicate excessive friction due to wear. Overheating can accelerate wear and affect coupling performance.
- Irregular Performance: If machinery or equipment connected by the coupling experiences irregular or unpredictable behavior, it could be a sign of coupling wear affecting torque transmission.
To identify these symptoms, regular visual inspections, vibration analysis, and performance monitoring are recommended. If any of these symptoms are observed, it’s advisable to replace the worn or damaged spider coupling with a new one. Routine maintenance and timely replacement can help ensure the continued reliability and performance of spider couplings in mechanical systems.
What factors should be considered when selecting a spider coupling for a specific application?
Choosing the right spider coupling for a specific application requires careful consideration of various factors to ensure optimal performance and reliability. Here are the key factors to consider:
- Torque Requirements: Determine the torque that the coupling needs to transmit between the shafts. Select a spider coupling that can handle the required torque without exceeding its limitations.
- Misalignment Compensation: Assess the type and degree of misalignment that the coupling needs to accommodate. Different spider coupling designs offer varying levels of misalignment compensation.
- Operating Conditions: Consider the operating environment, including temperature, humidity, and exposure to chemicals or contaminants. Choose a spider coupling with elastomeric material that can withstand these conditions.
- Shaft Diameters: Measure the diameters of the connected shafts. Ensure that the selected spider coupling matches the shaft sizes to achieve a secure and reliable fit.
- Space Limitations: Evaluate the available space for installing the coupling. Choose a compact spider coupling design that fits within the available dimensions.
- Shaft Speed: Determine the rotational speed of the shafts. Ensure that the selected spider coupling can handle the speed range without causing excessive wear or vibrations.
- Vibration Dampening: If vibration reduction is a priority, select a spider coupling with elastomeric material that offers effective vibration dampening properties.
- Electrical Isolation: In applications where electrical isolation is necessary, choose a spider coupling with electrically insulating properties to prevent current transmission between shafts.
- Chemical Compatibility: If the machinery operates with specific chemicals or fluids, ensure that the elastomeric material of the coupling is compatible with these substances.
- Cost Consideration: Evaluate the budget available for the coupling. Consider both the upfront cost and the potential savings from reduced maintenance and downtime.
- Manufacturer Reputation: Choose spider couplings from reputable manufacturers known for producing high-quality and reliable products.
- Application Type: Different industries and applications have unique requirements. Consider the specific demands of the application, such as pumps, compressors, conveyors, etc.
By carefully evaluating these factors, you can select a spider coupling that best matches the requirements of your application, ensuring efficient power transmission, misalignment compensation, and overall system performance.
editor by CX 2023-09-28