Product Description
New Coupling 120A for Main Hydraulic Pump Coupling ASSY DD80 8
Basic information:
| Model | DD80 |
| OEM | Acceptable |
| Outer Packing | Carton |
| Processing | Forgine |
| Payment Methods | T/T, Paypal,Western Union |
| MOQ | No Limited |
| Net Weight | Depend on actual Model |
| Carton Size | Various |
Why choose us:
Quality Controll
Competitive price
OEM Service
Experience more than 20 years’ experience
Wholesaler We supply a wide range of spare parts for excavators
Main products:
Seal Series:
arm cylinder seal kit, Boom cylinder seal kit, Bucket cylinder seal kit, main pump seal kit, travel motor seal kit,
swing motor seal kit, control valve seal kit, center joint seal kit, track adjust seal kit, bushings,
floating seals, o-ring box, pusher, etc.
Engine parts:
cylinder heads, cylinder blocks, crankshafts, camshafts, connecting rods, water pumps, turbo chargers,
engine assys, fan blades, main bearing and connecting rod bearings, pistons, piston rings, liner kits, etc.
Hydraulic parts:
hydraulic cylinder assembly, gear pump assembly, hydraulic pump assembly, travel motor assembly, final drive assembly, swing motor assembly,
main valve assembly, service valves, gasket kits, etc.
Electric Parts:
solenoid valves, water sensors, pressure sensors, throttle motors, stop solenoid, controllers, monitors, etc.
Other Parts:
seal kits, bushings, floating seals, o-ring box, pushers, couplings, engine cushions, bearings, gears, fuel filter
oil filter, air filter, track link assy, front idler, carrier roller, hydraulic oil cooler, water tank, track link assy, etc.
Product show as below:
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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What are the maintenance requirements for fluid drive couplings to ensure optimal performance?
Proper maintenance is crucial to ensure the optimal performance and extended service life of fluid drive couplings. Regular maintenance practices help identify and address potential issues early, preventing costly breakdowns and ensuring the efficiency of power transmission systems. The maintenance requirements for fluid drive couplings include:
- Fluid Level Check: Regularly check the hydraulic fluid level in the coupling. Ensure that the fluid level is within the manufacturer’s recommended range. Low fluid levels can lead to decreased torque transmission and affect the coupling’s performance.
- Fluid Quality: Monitor the condition of the hydraulic fluid regularly. Contaminated or degraded fluid can adversely impact the coupling’s performance. Replace the fluid as per the manufacturer’s guidelines or if signs of contamination are observed.
- Seals and Gaskets: Inspect the seals and gaskets for signs of wear, leaks, or damage. Faulty seals can lead to fluid leakage, reducing the coupling’s efficiency and potentially causing damage to other components in the system.
- Alignment Check: Periodically check the alignment of the driving and driven shafts. Misalignment can result in increased wear and reduced performance of the fluid drive coupling. Proper alignment ensures optimal torque transmission and prevents premature failure.
- Overload Protection: Test the slip mechanism to ensure it is functioning correctly. The slip mechanism should engage during overload conditions to protect the coupling and connected machinery from excessive stresses.
- Coupling Bolts: Inspect and tighten the coupling bolts as per the manufacturer’s recommendations. Loose bolts can result in misalignment and reduced coupling efficiency.
- Lubrication: Some fluid drive couplings may have specific lubrication requirements. Follow the manufacturer’s guidelines for lubricating the coupling components, if applicable.
- Temperature Monitoring: Monitor the operating temperature of the fluid drive coupling. Excessive heat can impact the hydraulic fluid’s viscosity and degrade the coupling’s performance.
- Periodic Inspection: Conduct regular visual and functional inspections of the fluid drive coupling. Look for any signs of abnormal wear, damage, or unusual noises during operation.
It is essential to refer to the manufacturer’s maintenance guidelines and recommendations specific to the fluid drive coupling model. Adhering to the prescribed maintenance schedule and procedures ensures that the coupling remains in optimal condition and delivers reliable performance over its operational life.
By following these maintenance practices, users can minimize downtime, avoid costly repairs, and ensure the fluid drive coupling continues to contribute to the efficient and safe operation of the power transmission system.
Where to Find Reputable Suppliers or Manufacturers of Fluid Drive Couplings
If you are looking for reputable suppliers or manufacturers of fluid drive couplings to meet your specific power transmission needs, there are several places you can explore:
- Industrial Trade Shows: Attend industry-specific trade shows and exhibitions that focus on power transmission, fluid power, and related technologies. These events often feature numerous suppliers and manufacturers showcasing their products and solutions.
- Online Directories: Utilize online industrial directories and sourcing platforms that allow you to search for fluid drive coupling manufacturers. Websites like Thomasnet, Alibaba, and GlobalSpec can be helpful in finding suppliers from around the world.
- Manufacturer Websites: Visit the websites of known fluid drive coupling manufacturers. Many reputable companies provide detailed information about their products, technical specifications, and contact details.
- Engineering Magazines and Publications: Look for advertisements and product listings in engineering magazines and publications that focus on mechanical power transmission and fluid power technologies.
- Referrals and Recommendations: Seek recommendations from colleagues or industry experts who have experience with fluid drive couplings. They may be able to suggest reliable suppliers based on their own positive experiences.
- Consulting with Distributors: Contact industrial distributors or local suppliers specializing in power transmission components. They often work with multiple manufacturers and can guide you to suitable fluid drive coupling solutions.
- Online Search Engines: Conduct a thorough online search using specific keywords related to fluid drive couplings and power transmission. This can help you find suppliers in your region or globally.
When considering potential suppliers, take into account factors such as their reputation in the industry, product quality, customer reviews, technical support, delivery times, and pricing. Request product samples or technical data sheets to ensure the chosen fluid drive coupling meets your specific requirements.
Remember to evaluate not only the product itself but also the supplier’s reliability and ability to provide excellent customer service and after-sales support.
What is a fluid drive coupling, and how does it function in mechanical power transmission?
A fluid drive coupling, also known as a hydraulic coupling, is a mechanical device used to transmit power between two shafts in a machinery system. It operates on the principle of hydrodynamic power transmission, utilizing hydraulic fluid to transfer torque and rotational motion from the driving shaft to the driven shaft.
The basic construction of a fluid drive coupling consists of two primary components: a driving impeller (pump) and a driven impeller (turbine), both housed within a sealed casing. The casing is filled with hydraulic fluid, typically oil. When the driving impeller is activated, it starts rotating, creating a flow of hydraulic fluid within the casing. This fluid movement generates a hydraulic force that drives the driven impeller to rotate at the same speed as the driving impeller.
The key features of how a fluid drive coupling functions in mechanical power transmission are as follows:
- No Mechanical Contact: Fluid drive couplings are non-contact power transmission devices. There is no direct mechanical connection between the driving and driven shafts. Instead, they rely on the hydraulic fluid to transfer power.
- Torque Amplification: Fluid drive couplings can provide torque amplification during startup or when the driven shaft experiences resistance. As the driving impeller starts rotating, the hydraulic fluid movement gradually accelerates the driven impeller, effectively increasing the torque applied to the driven shaft.
- Smooth Operation: Due to the hydrodynamic nature of power transmission, fluid drive couplings offer smooth and gradual acceleration, reducing shock loads on the machinery and minimizing wear on mechanical components.
- Slip Control: In certain applications, fluid drive couplings allow controlled slippage between the driving and driven shafts. This feature can protect the machinery from sudden overloads and act as a safety mechanism during transient operations.
- Speed Regulation: Fluid drive couplings can regulate the speed of the driven shaft by adjusting the input speed of the driving shaft. This speed regulation can be useful in applications where precise control of output speed is required.
- Overload Protection: In cases of excessive load or torque, fluid drive couplings can slip, absorbing the excess energy and protecting the machinery from damage.
Fluid drive couplings find applications in various industries, including automotive, industrial machinery, mining, and marine. They are commonly used in applications where smooth power transmission, torque amplification, and overload protection are crucial.
It’s essential to consider the specific requirements of the machinery system and the torque and speed characteristics when selecting a fluid drive coupling. Proper maintenance and monitoring of hydraulic fluid levels and condition are necessary to ensure optimal performance and longevity of the fluid drive coupling in mechanical power transmission.
editor by CX 2024-04-09
