Product Description
Crawler Excavator Hydraulic Excavator Spare Parts Coupling For 45H
Our Main products : cylinder block,cylinder head,crankshaft,camshaft,connecting rod,connecting rod bearing,valve,plunger,nozzle,exhaust valve,engine assy,feed pump,fan blade,gasket kit,glow plug/engine preheater,intake valve,liner,liner kit/rebuild kit,main bearing/crankshaft bearing,nozzle,nozzle piping,oil pump,piston,piston pin,piston ring,plunger,seat ,thrust bearing,valve guide,valve seat,valve seal,gasket full set ,water pump , turbocharger,genarator, starter,sensor…
| USE FOR | EXCAVATOR |
| MODEL | EXCAVATORS |
| PART NUMBER | 45H COUPLING |
| BRAND | NORMAL |
Why choose our company?
——Company information
HangZhou Marun Machinery Equipment Co., Ltd is located in HangZhou China,Our company
established in 2008, it’s parent company -HangZhou Qipeng Machinery Equipment Co,.Ltd. We are authorized agent of Isuzu,Mitsubishi,Yanmar and Mahle in China, agent of Isuzu since it founded in 1990 ,specialized in excavator engine spare parts ,engine assembly and construction machinery for 30 years.
About CHINAMFG :
As a largest, most varieties and professional,leading ISUZU agent in China, we offer a full range of genuine ISUZU engine accessories and complete engine.The business scope are as follows:
Engine model:4JB1,C240,4BD1,4LE1,4LE2,4JG1,4JG2,4BD1,4BG1,4HK1,6HK1,6BD1,6BG1,6SD1,6RB1,6UZ1,6WG1.
Besides , we also can supply parts for machines like SUMITOMO,CASE,KOBELCO ,MITSUBISHI,CUMMINS ,KAWASAKI and so on
About MITSUBISHI :
we mainly offer 2 engine model 4M50 and 6M60 engine parts for CHINAMFG so far , but also can check other engine model Like 6D16,6D24 and so on , now we are stock available for overhaul engine parts :Cylinder block,cylinder head,crankshaft,camshaft,connecting rod,connecting rod bearing,valve,plunger,nozzle,exhaust valve,engine assy,feed pump,fan blade,gasket kit,glow plug/engine preheater,intake valve,liner,liner kit/rebuild kit,main bearing/crankshaft bearing,nozzle,nozzle piping,oil pump,piston,piston pin,piston ring,plunger,seat ,thrust bearing,valve guide,valve seat,valve seal,gasket full set ,water pump , turbocharger,genarator, starter,sensor…
About CHINAMFG :
As we all knows,if there were only two cars in the world, then one must use MAHLE spare parts.It’s products range cover construction machinery engine parts and auto engine parts,parts including:piston/cylinder/liner kit/valves/bearings/gasket kit/piston ring/filter .Apply to ISUZU,KOBELCO,CATER,KOMATSU,CUMMINS,MITSUBISHI,HINO,DEUTZ and so on .
CHINAMFG parts for engines: C9,C7,DE12T ,D2366,DE08 ,D1146T,DB58 ,4JG1 ,6BG1-3,6BG1-4,4HK1 ,6HK1,S6K,6D34,6D102,6D107,6D114,J05E,D6D,D7E,4TNV94,4TNV98,4D95,S4D95,PC130-7,6D95-5,6D95-6
——Company Advantages
1. We have profession knowledge about engine parts ,more than 20 years experience in engine parts.
2. We can offer new and used genuine parts, oem, good quality made in china parts to you.
3. The genuine parts will give weight,price when quotation.
4. Genuine stock pictures will send if you need .
5.All parts can check with part number,all parts can order follow part number.
6. Quick delivery time,will delivery the goods within 3 days.
7. Safe packing to protect the goods, such as wooden box, Iron sheet for our parts.
8. Small quantity can accept.
——FAQ:
Q1:How long is the warranted time?
For natural broken, 3 months. Guarantee genuine parts.
Q2: What’s payment you can accept?
T/T, WESTERN UNION, CHINESE BANK,
Q3: What’s package? Can you give me the package according my requirement?
Yes, Original packing or Neutral packing with wooden box or carton
Q4: How about the lead time?
1) Stock available: 1-3days.
2) Out of stock: It’s according to your quantity, and we have cooperated with factory.
We will let you know when we quote.
Q5: What’s the shipping way you can offer?
1) Big order: By sea or by air.(It can reduce the costs)
2) Small order: DHL, TNT, UPS, FEDEX, EMS,
Q6: Whta’s the terms of the transaction?
EXW, FCA, FAS, FOB, C&F, CIF, CPT, CIP, DAF, DES,DDP.
Q7: Do you accept small order?
Yes, small order can accept.
Q8: What’s brand you can offer in your company?
1) OEM, 100% GENUINE PARTS, COPY(Made in China)
2) GENUINE PARTS.
We are seeking the chances to meet all the friends both from at home and abroad for the CHINAMFG cooperation.
We sincerely hope to have long-term cooperation with all of you on the bases of mutual benefit and common development.
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How do hydraulic couplings contribute to reducing vibrations and noise in hydraulic systems?
Hydraulic couplings play a crucial role in reducing vibrations and noise in hydraulic systems, providing several mechanisms that help dampen and absorb these unwanted effects. Here’s how hydraulic couplings contribute to vibration and noise reduction:
- Torsional Flexibility: Hydraulic couplings are designed with torsional flexibility, allowing them to twist and absorb torsional vibrations that may occur during operation. As the fluid flows through the coupling, it acts as a damping medium, attenuating vibrations and minimizing their transmission to the rest of the system.
- Vibration Isolation: The inherent flexibility of hydraulic couplings helps isolate vibrations between the driving and driven components of the hydraulic system. This isolation prevents vibrations from propagating through the system, reducing the overall vibration levels and promoting smoother operation.
- Shock Absorption: In systems subject to sudden changes in load or pressure, hydraulic couplings can act as shock absorbers. They cushion the impact of these shock loads, preventing them from reverberating through the system and causing noise or damage to sensitive components.
- Damping Characteristics: Hydraulic couplings, especially those utilizing a hydraulic fluid medium, exhibit excellent damping characteristics. The fluid dissipates energy by converting kinetic energy into heat energy, effectively reducing the system’s resonant vibrations and noise.
- Smooth Power Transmission: Hydraulic couplings provide smooth power transmission between the driving and driven elements. The absence of jerks or sudden changes in torque helps in minimizing vibrations and noise generation, leading to quieter operation.
- Compensation for Misalignments: Hydraulic couplings can compensate for certain misalignments between the shafts they connect. By accommodating misalignments, the couplings reduce the stress on the system components, mitigating vibrations that might arise from misalignment-induced forces.
- Elimination of Metal-to-Metal Contact: In certain couplings, the use of elastomeric or flexible elements eliminates direct metal-to-metal contact between the driving and driven shafts. This reduces transmission of vibrations and noise, resulting in a quieter system.
By incorporating these vibration and noise-reducing features, hydraulic couplings enhance the overall performance and longevity of hydraulic systems. They contribute to a more pleasant working environment by minimizing noise levels and reducing the risk of fatigue failure caused by excessive vibrations. Additionally, reduced vibrations help prevent premature wear and extend the lifespan of system components, ultimately leading to cost savings and improved efficiency in industrial applications.
How do hydraulic couplings compare to other coupling types, such as mechanical or magnetic couplings?
Hydraulic couplings, mechanical couplings, and magnetic couplings are three distinct types of couplings used in various applications to transmit power between shafts. Each type of coupling offers specific advantages and limitations, making them suitable for different scenarios. Here’s a comparison of hydraulic couplings with mechanical and magnetic couplings:
- Power Transmission:
- Hydraulic Couplings: Hydraulic couplings transmit power using hydraulic fluid to transfer torque between connected shafts. They are well-suited for applications with varying torque demands, as the fluid medium can accommodate fluctuations and dampen shock loads.
- Mechanical Couplings: Mechanical couplings directly connect the shafts through solid mechanical links, such as rigid couplings or flexible couplings (e.g., gear, jaw, or disc couplings). They efficiently transmit power without losses, making them suitable for high-torque applications.
- Magnetic Couplings: Magnetic couplings use magnetic fields to transfer torque between shafts. They offer non-contact power transmission, which eliminates the need for mechanical seals, making them suitable for applications requiring hermetic sealing, such as pumps handling hazardous fluids.
- Speed and Torque:
- Hydraulic Couplings: Hydraulic couplings can accommodate variations in speed and torque within their design limits. They offer good torque-to-inertia ratio, enabling smooth acceleration and deceleration in hydraulic systems.
- Mechanical Couplings: Mechanical couplings maintain precise shaft alignment and have high torque capacity. However, they may not handle speed variations as effectively as hydraulic couplings.
- Magnetic Couplings: Magnetic couplings are not suitable for high-torque applications, but they offer excellent speed control and precise torque transmission without direct contact between shafts.
- Maintenance and Wear:
- Hydraulic Couplings: Hydraulic couplings may require periodic maintenance, such as seal replacements, to ensure proper operation. They experience wear due to fluid flow and pressure.
- Mechanical Couplings: Mechanical couplings have mechanical wear and may require lubrication and maintenance to sustain optimal performance and prevent misalignment over time.
- Magnetic Couplings: Magnetic couplings have minimal wear and require less maintenance due to their non-contact nature. They are less prone to mechanical failures but may require magnetic field adjustments.
- Environmental Considerations:
- Hydraulic Couplings: Hydraulic couplings may require hydraulic fluid, which must be properly managed and maintained. They can be susceptible to fluid leakage if not adequately sealed.
- Mechanical Couplings: Mechanical couplings can generate friction and heat during operation, which may require cooling measures in high-speed applications.
- Magnetic Couplings: Magnetic couplings are hermetically sealed, preventing fluid leakage and offering environmental advantages in applications where containment is critical.
The selection of the most appropriate coupling type depends on the specific requirements of the application, including torque, speed, environmental factors, maintenance considerations, and cost. Each coupling type offers unique features that cater to diverse industrial needs, making them valuable components in numerous mechanical systems.
How do you select the appropriate hydraulic coupling for specific fluid handling needs?
Selecting the right hydraulic coupling for specific fluid handling needs involves considering several critical factors to ensure optimal performance and reliability. Here’s a step-by-step guide to help you make an informed choice:
- Fluid Type: Identify the type of fluid that the coupling will handle. Different fluids have varying viscosities and chemical properties, which can impact the compatibility and material selection for the coupling.
- Operating Pressure and Temperature: Determine the maximum operating pressure and temperature that the coupling will experience. Ensure that the selected coupling is rated to handle the expected pressure and temperature levels without failure or deformation.
- Torque Requirements: Calculate the required torque capacity based on the power transmission needs of your system. Choose a coupling that can handle the anticipated torque while considering safety factors.
- Misalignment Tolerance: Evaluate the potential misalignments that may occur between the shafts in your system. Choose a coupling that offers sufficient misalignment tolerance to accommodate these variations without imposing excessive stress on the equipment.
- Vibration and Shock: Consider the level of vibration and shock the coupling will experience during operation. Select a coupling that can dampen vibrations and absorb shocks to protect the system components and ensure stable performance.
- Installation and Maintenance: Assess the ease of installation and maintenance requirements of the coupling. A well-designed coupling should be easy to install, inspect, and maintain, reducing downtime and maintenance costs.
- Environmental Factors: Take into account the environmental conditions in which the coupling will operate. Factors such as exposure to moisture, chemicals, dust, or extreme temperatures may affect the choice of coupling materials and coatings.
- Space Constraints: Consider the available space for installing the coupling. Some applications may have limited space, necessitating the use of compact or low-profile couplings.
- Coupling Type: Based on the above considerations, choose the most suitable coupling type for your specific fluid handling needs. Consider options such as jaw couplings, disc couplings, fluid couplings, gear couplings, or other specialized couplings based on your application requirements.
It’s essential to consult with coupling manufacturers or industry experts if you have specific or challenging application requirements. They can provide valuable insights and recommendations to ensure you select the right hydraulic coupling that meets your fluid handling needs and maximizes the efficiency and reliability of your system.
editor by CX 2024-05-09