Product Description
225D EXCAVATOR Coupling 2SJ00001-UP POWERED BY 3208 ENGINE 6W-3988 Y 6W3988 Y
Basic information:
| Place of Origin | HangZhou ,China (Mainland) |
| Brand Name | YNF/Y&F |
| Model | 2SJ00001-UP |
| Material | NBR Natural Rubber |
| Color | Black |
| Apply to | Excavator or Digger |
Product show as below:
Parts information:
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9T-9351 CY | [1] | PUMP GP-PISTON | |
| 2. | 8T-7008 C | [4] | BOLT | |
| 3. | 8T-4896 C | [13] | WASHER-HARD | |
| 4. | 6W-6672 C | [4] | SPACER | |
| 5. | 6W-3988 Y | [1] | COUPLING GP-PUMP | |
| 6. | 8T-9056 | [8] | BOLT | |
| 7. | 5B-9627 | [8] | WASHER | |
| 8. | 4L-9337 C | [1] | BOLT | |
| 9. | 9B-7237 C | [6] | BOLT | |
| 10. | 6V-2667 | [3] | CAP-PROTECTIVE | |
| 11. | 7X-5718 C | [1] | BOLT |
About us:
specialized in:
couplings, rubber mounts, gera parts, hydraulic seals and seal kits for hydraulic hammers, rock breakers, hydraulic excavators,wheel loaders, and JCB badkhoe loaders.
And, Our company also supply:
Engine parts, hydraulic piston pump and hydraulic travel motor, Swing motor assembly and hydraulic component parts, electric parts, etc. Hydraulic hammer breaker parts with piston, cylinder, chisel, through bolt, side bolt, top bush, front head bushing,accumlator, valve, etc.
We always try our best for all our customers and make it better and better. Welcome!
FAQ
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Challenges Arising from Misaligned Helical Couplings and Their Resolution
Misaligned helical couplings can lead to several challenges that affect the performance and longevity of machinery:
- Reduced Torque Transmission: Angular misalignment in helical couplings can result in reduced torque transmission efficiency, leading to power loss and decreased overall machinery performance.
- Excessive Wear: Continuous operation with misaligned couplings can cause increased wear on both the coupling and connected components, resulting in premature failure and the need for frequent maintenance.
- Vibration and Noise: Misaligned couplings can generate vibration and noise due to uneven torque distribution and irregular motion, negatively impacting machinery operation and operator comfort.
- Heat Generation: Misalignment can lead to increased friction and heat generation at the coupling interface, potentially causing damage to the coupling material and affecting surrounding components.
To address these challenges, it’s crucial to:
- Regularly Inspect and Align: Perform routine inspections to identify any misalignment issues. If misalignment is detected, realign the couplings to ensure proper shaft alignment.
- Use Flexible Couplings: Choose helical couplings specifically designed to accommodate misalignment. These couplings provide flexibility and self-alignment features, reducing the impact of misalignment.
- Implement Precision Installation: During installation, carefully align the shafts using precision tools and techniques. Avoid forceful installation that could introduce misalignment.
- Monitor Operating Conditions: Regularly monitor machinery operation to detect any abnormal vibration, noise, or performance changes that could indicate misalignment issues.
By addressing misalignment challenges promptly and following best practices, you can ensure the proper functioning and longevity of helical couplings and the machinery they are installed in.
Variations of Helical Couplings for Specific Uses
Helical couplings come in various variations, each designed to suit specific applications and requirements:
- Flexible Helical Couplings: These couplings are designed to provide flexibility to accommodate misalignments and torsional vibrations. They are commonly used in applications where shaft misalignment is expected.
- Rigid Helical Couplings: Rigid helical couplings are designed to provide a more solid connection between shafts, offering minimal flexibility. They are suitable for applications where precise torque transmission and accurate positioning are crucial.
- Beam Helical Couplings: Beam-style helical couplings use thin metal beams to transmit torque while allowing for some misalignment. They are often used in applications that require high torsional stiffness and minimal backlash.
- Bellows Helical Couplings: Bellows couplings use accordion-like bellows to compensate for misalignment and provide vibration damping. They are commonly used in applications that require high torsional flexibility and protection from external contaminants.
- Oldham Helical Couplings: Oldham couplings use three discs: a central disc sandwiched between two outer discs with perpendicular slots. They offer excellent misalignment compensation and are often used in motion control systems.
- Helical-Beam Couplings: These couplings combine the flexibility of beam couplings with the misalignment compensation of helical couplings. They are suitable for applications that require both flexibility and misalignment tolerance.
- Slit Helical Couplings: Slit couplings have a slit design that allows for easy installation and removal without the need to disassemble the entire system. They are commonly used in applications where frequent maintenance is required.
The availability of these variations allows engineers and designers to select the most suitable type of helical coupling based on the specific needs of their application.
Recent Advancements in Helical Coupling Technology
Recent years have seen several advancements and innovations in helical coupling technology, aimed at improving performance, reliability, and ease of use:
- Advanced Materials: Manufacturers are using innovative materials that offer enhanced strength, durability, and resistance to wear, allowing helical couplings to handle higher torque loads and harsh environments.
- Customization: Modern helical couplings can be designed and manufactured with greater customization options to fit specific application requirements, such as unique shaft sizes or complex misalignment conditions.
- Compact Designs: Engineers have developed more compact helical coupling designs that are lightweight and have a smaller footprint, making them ideal for space-constrained applications.
- Improved Torsional Stiffness: Innovations in coupling design have led to improved torsional stiffness, providing better control over torsional vibrations and ensuring precise power transmission.
- Integrated Monitoring: Some advanced helical couplings come with built-in sensors or monitoring systems that can provide real-time data on coupling performance, allowing for predictive maintenance and reducing downtime.
- Enhanced Tolerance for Misalignment: New designs allow helical couplings to handle higher levels of misalignment without sacrificing performance, making them more versatile for various applications.
These advancements continue to make helical couplings a reliable and versatile choice for a wide range of mechanical systems across industries.
editor by CX 2024-05-17