Product Description
Wholesale Genuine Diesel Engine Spare Parts NT855 Jaw Coupling Spider 3046200
Product Description
| Part Name | Jaw Coupling Spider |
|
Part Number |
3046200 |
| Engine Model | Diesel engine NTA855 |
| Applications | Heavy duty truck, buses, engineering machinery, mining machinery, petroleum machinery, railway machinery, port machinery, stationary and mobile diesel generator set power stations, Marine propulsion unit and auxiliary power unit, pump power units and other power units, automobile industry power ships. |
| Warranty | 3 months |
| Packing | Standard Packing |
| Payment Term | Western Union,T/T |
Detailed Photos
More Engine Spare Parts
Company Profile
Certifications
Our Advantages
1. We have more than 10 years of experience in CHINAMFG diesel engine parts.Especially in PT fuel system parts such as PT injector,PT fuel pump and parts for them.
2. We cooperate with many certificated OEM factories of CHINAMFG who have advanced equipment and technology.
3. We provide a full range of CHINAMFG parts for all CHINAMFG and CHINAMFG engines such as M11,NT855,K19,K38,K50,4BT,6BT,QSB,QSC,ISF,L10,V28,N14,QSX etc. We also have full stock for general parts so we can deliver in a short time.
4. High Quality + Reasonable Price + Quick Response + Technical Support, is what we are trying to offer you the best cooperation experience.
FAQ
Q1: How to contact you?
A: You can send inquiry to us directly or you can contact us by email,phone call or WhatsApp, WeChat, Facebook and Skype. We will try to reply you as soon as possible.
Q2: Do you have MOQ?
A:For general parts,we don’t have MOQ,1 piece can be sold,but for some parts like bearing,piston we may have MOQ like 6pcs,12pcs,but we will inform if there is any MOQ for special parts.
Q3:Do you provide sample?
A:For sample,if stock is available, we can provide samples with sample charges and courier fees by the your side.
Q4: What is the delivery time?
A: If parts are in stock,we can make shipment immediately. And for order with big quantity, need check after order is confirmed.
Q5: What is the shipping way?
A:We can send by air,by land,by sea or by express(courier) like DHL,UPS,TNT,FedEx,Aramax according to your request.
Q6:How can I make payment if the order is confirmed?
A:We accept Western Union,Bank Transfer(In USD or in RMB),Alipay,WeChat Pay. You can choose as you like.
Q7: What is your warranty ?
A:We usually provide 3 months’ after-sales service for non-artificial damage.
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Factors to Consider When Choosing a Jaw Coupling for a Specific System
Choosing the right jaw coupling for a specific system is crucial to ensure efficient power transmission and reliable operation. Several factors should be considered when making the selection:
- Torque and Power Requirements: Calculate the torque and power requirements of the system to determine the appropriate size of the jaw coupling. Ensure that the selected coupling can handle the maximum torque and power output without exceeding its rated capacity.
- Shaft Size: Match the jaw coupling’s bore size to the shaft diameters of the connected equipment. The coupling’s bore should be slightly larger than the shaft diameter to allow for easy installation and proper clamping.
- Misalignment Compensation: Evaluate the degree of misalignment that the system may experience during operation. Jaw couplings can handle angular, parallel, and axial misalignment to varying degrees, but it’s essential to choose a coupling with the appropriate misalignment capabilities for the specific application.
- Operating Speed: Consider the operating speed of the system. Some jaw couplings are designed for high-speed applications, while others are more suitable for lower speeds. Choosing a coupling that matches the system’s operating speed helps prevent issues such as resonance and premature wear.
- Environmental Conditions: Assess the environmental conditions in which the coupling will operate. Factors such as temperature, moisture, and exposure to chemicals can influence the choice of material for the jaw coupling.
- Backlash: Determine if the application requires minimal or zero backlash. Some jaw couplings may have inherent backlash due to their design, while others are designed to provide backlash-free operation.
- Installation and Maintenance: Consider the ease of installation and maintenance of the jaw coupling. Some couplings may have a split design, making installation and replacement simpler.
- Cost and Budget: Compare the cost of the jaw coupling with the system’s budget. While it’s essential to select a high-quality coupling, it’s also crucial to ensure it fits within the budget constraints.
By carefully evaluating these factors, engineers and designers can make an informed decision when choosing a jaw coupling that meets the specific requirements of the system, leading to optimal performance and longevity of the mechanical system.
How does a jaw coupling help in power transmission efficiency?
A jaw coupling plays a significant role in enhancing power transmission efficiency in mechanical systems. It achieves this by incorporating several design features that minimize energy losses and maximize the transfer of power from one shaft to another. Here are some ways in which a jaw coupling helps improve power transmission efficiency:
- Mechanical Flexibility: Jaw couplings utilize a flexible elastomer spider as the connecting element between the two shafts. This elastomer spider allows for a certain degree of angular and parallel misalignment between the shafts without imposing significant additional loads on the connected equipment. The mechanical flexibility of the elastomer helps reduce the generation of excess heat and vibration, thereby optimizing power transmission efficiency.
- Vibration Damping: The elastomer spider in a jaw coupling also acts as a vibration-damping element. It absorbs and dissipates vibrations generated during the operation of rotating machinery. By dampening vibrations, the coupling reduces energy losses due to mechanical oscillations, which can otherwise decrease the overall power transmission efficiency.
- Shock Absorption: In addition to damping vibrations, jaw couplings can handle sudden shocks and impacts that may occur during equipment operation. The elastomer spider’s ability to absorb shocks prevents sudden force spikes from propagating through the system and helps maintain steady power transmission, thus improving overall efficiency.
- Reduced Friction: The design of jaw couplings minimizes sliding friction between the shafts and the coupling components. This reduced frictional resistance results in lower energy losses and less heat generation during power transmission, contributing to higher efficiency in the system.
- Torsional Wind-Up Compensation: When torque is transmitted through the shafts, there can be some degree of torsional wind-up or twist in the coupling. Jaw couplings can compensate for this torsional movement, ensuring that the transmitted power reaches the intended equipment without significant losses due to torsional deformation.
- Simple and Robust Design: Jaw couplings have a simple construction, typically consisting of two hubs and an elastomer spider. This straightforward design reduces the number of moving parts and potential points of failure, resulting in a robust and reliable coupling. A reliable coupling minimizes the risk of power losses due to mechanical inefficiencies or breakdowns, thus improving overall power transmission efficiency.
In summary, a jaw coupling enhances power transmission efficiency by providing mechanical flexibility, vibration damping, shock absorption, reduced friction, and torsional wind-up compensation. Its simple and robust design further contributes to reliable power transmission. When selecting a jaw coupling for a specific application, it is essential to consider factors such as torque requirements, operating conditions, and misalignment compensation to ensure optimal efficiency and performance in the system.
Selecting the Appropriate Jaw Coupling Size
Choosing the right jaw coupling size for a specific application involves considering several factors:
- Torque Requirements: Determine the maximum torque that the coupling will need to transmit in the application. Make sure to account for any peak or intermittent loads.
- Shaft Diameter: Measure the diameter of the shafts to be connected. The coupling’s bore size should match the shaft diameter for proper fit and secure power transmission.
- Speed: Consider the rotational speed of the application. High-speed applications may require special high-speed jaw couplings.
- Misalignment Compensation: Evaluate the level of misalignment present in the system, including angular, parallel, and axial misalignment. Choose a jaw coupling with appropriate misalignment capabilities to avoid premature wear and failures.
- Environmental Factors: Assess the environmental conditions, such as temperature, humidity, and presence of chemicals or contaminants, as these factors can impact the coupling’s material selection and performance.
- Service Factors: Some applications may have service factors that affect the required torque capacity. Apply service factors as needed to ensure the coupling can handle the application’s demands.
- Space Constraints: Consider the available space for the coupling. Ensure that the selected jaw coupling can fit within the given space constraints.
- Compliance with Standards: If applicable, verify that the chosen jaw coupling meets industry or application-specific standards and regulations.
By taking these factors into account, engineers and designers can determine the appropriate jaw coupling size that will provide reliable and efficient power transmission in the specific application.
editor by CX 2024-02-13