Honeycomb Seal

 

Honeycomb seal is a sealing system that uses the design principle of honeycomb structure, usually using a honeycomb core made of metal or other materials to provide sealing performance. It is widely used in various equipment and places that require sealing by filling sealing media, enhancing pressure sealing ability and improving seismic resistance, especially in high pressure, high temperature, or isolation environments.

 

EMIS Honeycomb Seal products usually suitable for turbine sealed ,steam turbine sealed,Compressor and so on. Honeycomb seals are machined with individual chambers that create the pressure drop needed to slow leakage.

 

EMIS honeycomb Data Table(mm)
Material	stainless steel; Hastelloy x ect.(as required)
Foil Thickness	0.05;0.08;0.1;0.13; 0.15; 0.2 (as required)
Core Size	0.8;1.0;1.2;1.6;2.0;2.5;3.2;4.2;4.8;5.0;5.2;6.4;8;10;12.6;15;16;20;30 ect. (as required)
Outer dimensions	customizing
Sheet thickness	customizing
Shape	Round;rectangle;Ring;Cylinder;Ellipse;irregular shape; (as drawing)
Honeycomb direction	Straight
Welding Technical	High temperature vacuum brazing, spot welding
Backplane	customizing
package	carton/plywood + anti-collision foam board (as needed)

Note: For special materials and non-standard structural shapes, customization is supported. Please contact our

sales manager. The following are some pictures of our shielded honeycomb products.

 

Introduction

Honeycomb seal is a sealing system that uses the design principle of honeycomb structure. It usually uses a honeycomb core made of metal or other materials to provide sealing performance. It is widely used in various equipment and places that need to be sealed by filling the sealing medium, enhancing the pressure sealing ability and improving the seismic resistance, especially in high pressure, high temperature, or isolation environments.

The working principle of honeycomb seal is based on the porosity and elasticity of its honeycomb structure. The honeycomb structure itself has

excellent load-bearing and pressure dispersion capabilities, and can provide a uniform sealing effect. Its main working methods are as follows:

1. Pressure dispersion: The honeycomb structure can effectively disperse the external pressure, reduce the problem of local pressure concentration, and maintain the stability of the sealing performance.

2. Compression and recovery: The honeycomb material has a certain elasticity. When the sealing surface is under pressure, the honeycomb core can be compressed and restored to its original state, thereby providing a continuous sealing effect.

3. Porosity: The hollow characteristics of the honeycomb structure help to reduce the weight of the sealing material and enhance the sealing efficiency.

Advantages of honeycomb seal:

1. High sealing: The honeycomb structure can provide a more uniform pressure distribution than traditional sealing methods, thereby achieving a more efficient sealing effect.

2. High temperature and corrosion resistance: The use of metal honeycomb cores (such as stainless steel or aluminum alloy) allows the sealing material to work stably in high temperature or corrosive environments.

3. Weight reduction: The lightweight characteristics of honeycomb sealing materials make them very suitable for applications with high weight requirements, such as aerospace, automobiles, etc.

4. Anti-seismic and impact resistance: The special design of the honeycomb structure can effectively absorb shock and vibration and enhance the stability of the sealing performance.

5. Pressure resistance: Honeycomb seals can withstand high pressure and are suitable for sealing needs in high-pressure environments.

Common applications of honeycomb seals:

1. Aerospace: In the sealing systems of aircraft and spacecraft, honeycomb seals are widely used in fuel systems, engines, cabin doors and other parts, providing excellent pressure resistance, anti-seismic and sealing performance.

2. Automotive industry: Used in the engine, fuel system and cooling system of automobiles to improve sealing performance and reduce weight.

3. Energy industry: Sealing applications in the nuclear power and oil and gas industries, especially in high temperature and high pressure environments where long-term stable sealing is required.

4. Electronic equipment: In electronic equipment, honeycomb seals can be used for dustproof, waterproof and electromagnetic interference proof purposes.

5. Construction industry: In building structures, honeycomb seals can be used for sealing window frames, door frames and other parts, providing effective insulation and sealing effects.

Materials for honeycomb seals:

1. Metal honeycomb core: usually metal materials such as aluminum alloy, stainless steel or titanium alloy are used. These materials have excellent strength, corrosion resistance and high temperature resistance, and are suitable for high-demand sealing occasions.

2. Non-metallic materials: such as high-density polymers, rubber and silicone, etc. These materials are usually used in occasions with light sealing requirements, especially for applications with low environmental requirements.

Design considerations for honeycomb seals:

1. Sealing performance: When designing honeycomb seals, factors such as the pore size, structural density and material elasticity of the honeycomb need to be considered to ensure the sealing effect.

2. Environmental adaptability: Select appropriate materials to adapt to different working environments (such as high temperature, low temperature, corrosive environment, etc.).

3. Long-term stability: It is necessary to ensure the stability of honeycomb seals in long-term use to avoid sealing failure due to aging or excessive compression.

4. Production process: The production process of honeycomb seals needs to ensure the uniformity and stability of the honeycomb core to ensure the quality and reliability of the product.

In general, honeycomb seals have been widely used in aerospace, automotive, construction, electronics and other industries due to their unique structural design and superior performance, meeting the sealing needs in a variety of complex environments such as high pressure, high temperature, and earthquake resistance.

 

Honeycomb seal manufacturing process

Design And Manufacturing Capability Of Toolings

Advantages of the company

high precision punching machine: we mainly use Taiwan vibration punch to ensure the stability of the equipment.

Quality stability: our company has full-time personnel from lQC, PQC to FQC to ensure quality stability.

Rapid tooling repair: tooling maintenance engineer with Over 10 years working experience.

Commonly used tooling accessories are stocked to ensure the stability and continuity of production;

Unique oil removal technology to ensure the surface of product clean.

 

Major Equipments:

Precision grinder:4 sets;

Milling machine :3 sets;

Drilling machine: 3 sets;

Wire-electrode cutting: 2 sets;

The millwrights:1 set;

Else: 5 sets

Electroplating on the Beryllium Copper production surface

Common appearance pictures of electroplating products

 

Quality control report

Environmental Requirements For Products

Our BeCu products meet the requirements of SGS report,ROHS report,REACH,Halogen-free (HF) report,etc.

Deliver,shipping and serving

Fast Delivery Capacity

1.Normal bulk Lead time: less than 3 days

2.Maximum time for special products: less than 7 days

3.Normal Lead time of free sample: less than 2 days

4.Delivery time for special products: less than 7 days

5.Completion time of manual sample production: less than 7 days

 

Q1: What is a honeycomb seal?

A1: A honeycomb seal is a sealing system designed with a honeycomb structure, usually composed of a honeycomb core made of metal or other materials. This structure has excellent pressure dispersion, shock resistance, high temperature resistance and good sealing performance, and is often used in aerospace, automotive, energy and other fields.

 

Q2: What industries are honeycomb seals suitable for?

A2: Honeycomb seals are widely used in the following industries:

Aerospace: Sealing of fuel systems, engines, hatches and other parts of aircraft and spacecraft.

Automotive industry: Sealing of components such as engines, fuel systems, cooling systems, etc., reducing vehicle weight and improving sealing effects.

Energy industry: High temperature and high pressure sealing applications in the fields of oil and gas, nuclear energy, etc.

Electronics industry: Dustproof, waterproof, anti-electromagnetic interference and other uses.

Construction industry: Sealing of parts such as door and window frames, providing insulation and sealing effects.

 

Q3: How strong is the high temperature resistance of honeycomb seals?

A3: The high temperature resistance of honeycomb seals depends on the selected materials. For example, aluminum alloy honeycomb seals are suitable for use in environments around 150°C, while stainless steel and titanium alloy honeycomb seals can withstand higher temperatures and can usually work in environments above 600°C

 

Q4: What high-pressure environments can honeycomb seals be used in?

A4: Honeycomb seals can adapt to high-pressure environments, and their pressure-bearing capacity depends on structural density, material selection and design requirements. In the fields of oil and gas, nuclear energy, and chemical industries, honeycomb seals can effectively withstand high-pressure sealing needs.

What are the common applications of honeycomb seals?

Gas seals: used to prevent gas leaks.

Liquid seals: used to prevent liquid leaks, such as fuel systems and cooling systems.

Thermal isolation: used for thermal isolation and sealing in high-temperature environments.

Electromagnetic shielding seals: used to prevent electromagnetic interference (EMI).

 

Q5: How does honeycomb seals improve the seismic performance of equipment?

A5: The honeycomb structure can absorb and disperse external vibrations and shocks through its hollow design and elastic properties, thereby improving the seismic resistance of the equipment. Especially in the aerospace and automotive industries, honeycomb seals help improve the stability and sealing effect of equipment under severe vibration conditions.

 

Q6: How to choose the right honeycomb sealing material?

A6: When choosing honeycomb sealing materials, you should choose the right material based on the temperature, pressure, chemical corrosion and other factors of the working environment. For example, aluminum alloy is suitable for general environment, stainless steel is suitable for highly corrosive environment, and titanium alloy is suitable for applications under high temperature or extreme conditions.

 

Q7: What is the service life of honeycomb seals?

A7: The service life of honeycomb seals depends on many factors, including material selection, working environment (such as temperature, pressure, chemical corrosion, etc.) and workload. High-quality honeycomb sealing materials and proper design can greatly extend its service life.

 

Q8: Is the installation process of honeycomb seals complicated?

A8: The installation of honeycomb seals is relatively simple, but you need to pay attention to the correct placement of the seals to ensure that the sealing surface is flat and undamaged. For complex applications, it is recommended to conduct detailed technical evaluation and design before installation to ensure the sealing effect.

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