China Hot selling Quick Release Cast Iron Rubber Flexible Normex Nm Couplings Nm128 Water Pump Shaft Coupling nm couplimg

Product Description


Excellent powder metallurgy parts metallic sintered parts
We could offer various powder metallurgy parts including iron based and copper based with top quality and cheapest price, please only send the drawing or sample to us, we will according to customer’s requirement to make it. if you are interested in our product, please do not hesitate to contact us, we would like to offer the top quality and best service for you. thank you!

How do We Work with Our Clients
1. For a design expert or a big company with your own engineering team: we prefer to receive a fully RFQ pack from you including drawing, 3D model, quantity, pictures;

2. For a start-up company owner or green hand for engineering: just send an idea that you want to try, you don’t even need to know what casting is;

3. Our sales will reply you within 24 hours to confirm further details and give the estimated quote time;

4. Our engineering team will evaluate your inquiry and provide our offer within next 1~3 working days.

5. We can arrange a technical communication meeting with you and our engineers together anytime if required.

Place of origin: Jangsu,China
Type: Powder metallurgy sintering
Spare parts type: Powder metallurgy parts
Machinery Test report: Provided
Material: Iron,stainless,steel,copper
Key selling points: Quality assurance
Mould type: Tungsten steel
Material standard: MPIF 35,DIN 3571,JIS Z 2550
Application: Small home appliances,Lockset,Electric tool, automobile,
Brand Name: OEM SERVICE
Plating: Customized
After-sales Service: Online support
Processing: Powder Metallurgr,CNC Machining
Powder Metallurgr: High frequency quenching, oil immersion
Quality Control: 100% inspection

The Advantage of Powder Metallurgy Process

1. Cost effective
The final products can be compacted with powder metallurgy method ,and no need or can shorten the processing of machine .It can save material greatly and reduce the production cost .

2. Complex shapes
Powder metallurgy allows to obtain complex shapes directly from the compacting tooling ,without any machining operation ,like teeth ,splines ,profiles ,frontal geometries etc.

3. High precision
Achievable tolerances in the perpendicular direction of compacting are typically IT 8-9 as sintered,improvable up to IT 5-7 after sizing .Additional machining operations can improve the precision .

4. Self-lubrication
The interconnected porosity of the material can be filled with oils ,obtaining then a self-lubricating bearing :the oil provides constant lubrication between bearing and shaft ,and the system does not need any additional external lubricant .

5. Green technology
The manufacturing process of sintered components is certified as ecological ,because the material waste is very low ,the product is recyclable ,and the energy efficiency is good because the material is not molten. 

FAQ
Q1: What is the type of payment?
A: Usually you should prepay 50% of the total amount. The balance should be pay off before shipment.

Q2: How to guarantee the high quality?
A: 100% inspection. We have Carl Zeiss high-precision testing equipment and testing department to make sure every product of size,appearance and pressure test are good. 

Q3: How long will you give me the reply?
A: we will contact you in 12 hours as soon as we can.

Q4. How about your delivery time?
A: Generally, it will take 25 to 35 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order. and if the item was non standard, we have to consider extra 10-15days for tooling/mould made.

Q5. Can you produce according to the samples or drawings?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6: How about tooling Charge?
A: Tooling charge only charge once when first order, all future orders would not charge again even tooling repair or under maintance.

Q7: What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Q8: How do you make our business long-term and good relationship?
A: 1. We keep good quality and competitive price to ensure our customers benefit ;
    2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
 

After-sales Service: Online
Warranty: 1 Year
Condition: New
Certification: ISO9001, IATF16949
Standard: DIN, ASTM, GOST, GB, JIS, ANSI, BS
Customized: Customized
Customization:
Available

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Customized Request

China Hot selling Quick Release Cast Iron Rubber Flexible Normex Nm Couplings Nm128 Water Pump Shaft Coupling  nm couplimg

nm coupling

Are there any safety considerations when using flexible couplings in rotating machinery?

Yes, there are several safety considerations to keep in mind when using flexible couplings in rotating machinery. While flexible couplings offer numerous benefits in terms of misalignment compensation, vibration isolation, and shock absorption, improper use or maintenance can lead to safety hazards. Here are some important safety considerations:

  • Proper Installation: Ensure that the flexible coupling is installed correctly and securely following the manufacturer’s guidelines. Improper installation can lead to coupling failure, unexpected disconnection, or ejection of coupling components, which may result in equipment damage or injury to personnel.
  • Alignment: Proper shaft alignment is essential for the reliable and safe operation of flexible couplings. Misaligned shafts can cause excessive stress on the coupling and connected components, leading to premature wear and possible failure. Regularly check and maintain proper shaft alignment to prevent safety risks.
  • Operating Conditions: Consider the environmental and operating conditions of the machinery when selecting a flexible coupling. Some couplings are designed for specific temperature ranges, hazardous environments, or corrosive atmospheres. Using a coupling that is not suitable for the operating conditions can compromise safety and performance.
  • Torque and Speed Limits: Always operate the flexible coupling within its specified torque and speed limits. Exceeding these limits can cause coupling failure, leading to unexpected downtime, equipment damage, and potential safety hazards.
  • Maintenance: Regularly inspect and maintain the flexible coupling to ensure its continued safe operation. Check for signs of wear, damage, or corrosion, and promptly replace any worn or damaged components with genuine parts from the manufacturer.
  • Emergency Stop Mechanism: In applications where safety is critical, consider implementing an emergency stop mechanism to quickly halt machinery operation in case of coupling failure or other emergencies.
  • Personal Protective Equipment (PPE): When working with rotating machinery or during maintenance tasks involving couplings, personnel should wear appropriate PPE, such as gloves, eye protection, and clothing that can resist entanglement hazards.
  • Training and Awareness: Ensure that personnel working with the machinery understand the potential hazards associated with flexible couplings and receive proper training on safe handling, installation, and maintenance procedures.

By adhering to these safety considerations, operators and maintenance personnel can mitigate potential risks and ensure the safe and reliable operation of rotating machinery with flexible couplings. Additionally, it is essential to comply with relevant safety standards and regulations specific to the industry and application to ensure a safe working environment.

nm coupling

Can flexible couplings be used in applications with varying operating temperatures?

Yes, flexible couplings can be used in applications with varying operating temperatures. The suitability of a flexible coupling for a specific temperature range depends on its design and the materials used in its construction. Different types of flexible couplings are available to handle a wide range of temperature conditions, making them versatile for use in various industries and environments.

High-Temperature Applications:

For applications with high operating temperatures, such as those found in certain industrial processes, exhaust systems, or high-temperature machinery, flexible couplings made from materials with excellent heat resistance are used. These materials may include stainless steel alloys, heat-treated steels, or specialized high-temperature elastomers. High-temperature flexible couplings are designed to maintain their mechanical properties, including flexibility and torque transmission capabilities, even at elevated temperatures.

Low-Temperature Applications:

Conversely, for applications in extremely cold environments or cryogenic processes, flexible couplings constructed from materials with low-temperature resistance are employed. These couplings are designed to remain flexible and functional at very low temperatures without becoming brittle or losing their ability to handle misalignment. Some low-temperature couplings may use special polymers or elastomers with excellent cold-temperature performance.

Temperature Range Considerations:

When selecting a flexible coupling for applications with varying operating temperatures, it is essential to consider the specific temperature range in which the coupling will operate. Some flexible couplings have a wider temperature range, allowing them to function effectively in both high and low-temperature environments. However, in extreme temperature conditions, specialized couplings may be necessary to ensure reliable performance and prevent premature failure.

Manufacturer Guidelines:

Manufacturers of flexible couplings provide guidelines and specifications regarding the temperature range of their products. It is crucial to consult the manufacturer’s documentation to ensure that the chosen coupling is suitable for the intended operating temperature of the application. Using a coupling beyond its recommended temperature range can lead to performance issues, reduced efficiency, or even failure.

Applications:

Flexible couplings with varying temperature resistance find use in numerous industries, including aerospace, automotive, manufacturing, power generation, and more. Whether in high-temperature exhaust systems, low-temperature cryogenic processes, or regular industrial applications with temperature fluctuations, flexible couplings play a vital role in providing reliable power transmission and misalignment compensation.

In summary, flexible couplings can be effectively used in applications with varying operating temperatures, provided that the coupling’s design and material properties align with the specific temperature requirements of the application.

nm coupling

Can you explain the different types of flexible coupling designs available?

There are several types of flexible coupling designs available, each with its unique construction and characteristics. These designs are tailored to meet specific application requirements and address different types of misalignment and torque transmission needs. Here are some of the most common types of flexible couplings:

  • Jaw Couplings: Jaw couplings consist of two hubs with curved jaws and an elastomer spider placed between them. The spider acts as a flexible element and can compensate for angular and parallel misalignment. Jaw couplings are widely used in various industrial applications due to their simple design and effectiveness in handling misalignment and vibration damping.
  • Disc Couplings: Disc couplings use thin metallic discs with a series of alternating slits and flanges to connect the shafts. The disc coupling design allows for excellent misalignment compensation, including angular, parallel, and axial misalignment. Disc couplings are known for their high torsional stiffness and precise torque transmission capabilities.
  • Gear Couplings: Gear couplings consist of toothed hubs connected by an external sleeve with gear teeth. They are well-suited for applications with high torque and moderate misalignment. Gear couplings offer good misalignment compensation and high torque capacity, making them popular in heavy-duty industrial applications.
  • Beam Couplings: Beam couplings use a single piece of flexible material, often a metal beam, to connect the shafts. The material’s flexibility allows for angular and axial misalignment compensation. Beam couplings are compact, lightweight, and provide low inertia, making them suitable for applications with high-speed requirements.
  • Bellows Couplings: Bellows couplings consist of a bellows-like flexible structure that connects the two hubs. They can compensate for angular, parallel, and axial misalignment. Bellows couplings are known for their high torsional stiffness and ability to maintain constant velocity transmission.
  • Oldham Couplings: Oldham couplings use three discs, with the middle one having a perpendicular slot. This design allows for angular misalignment compensation while transmitting torque between the hubs. Oldham couplings are often used when electrical isolation between shafts is required.

Each flexible coupling design has its strengths and limitations, and the choice depends on factors such as the application’s torque requirements, misalignment conditions, operating environment, and speed. Proper selection of the coupling type ensures optimal performance, efficiency, and reliability in various mechanical systems and rotating machinery.

China Hot selling Quick Release Cast Iron Rubber Flexible Normex Nm Couplings Nm128 Water Pump Shaft Coupling  nm couplimgChina Hot selling Quick Release Cast Iron Rubber Flexible Normex Nm Couplings Nm128 Water Pump Shaft Coupling  nm couplimg
editor by CX 2023-08-03

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