Choosing The Best Vibration Damping Material Is Very Important

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composite materials, thermoplastic composite material, vibration dampening, Vibration damping material

 

At the point when the vitality of a vibrating framework is steadily scattered by contact and different protections, then vibrations are said to be damped.

The vibrations progressively lessen or change in recurrence or force or stop and the framework rests in its harmony position.

Vibration damping material is utilized to lessen or take out clamor in modern, electronic, basic and ergonomic applications brought about by reverberation and vibration.

Gadgets, smartphones, route frameworks, cell phones, and numerous different sorts of cutting edge electronic hardware are liable to vibration from inward and outer sources.

Vibration damping is an essential necessity when structuring electronic frameworks as it is a typical wellspring of harm to electronic parts and associations. Hotspots for concern are fastening associations getting to be debilitated, loss of information or harm to circle drives, wasteful activity, and execution.

• What is a vibration-damping material?

Damping materials work by changing the regular vibration recurrence of the vibrating surface and along these lines bringing down transmitted clamor and expanding the transmission loss of the material. Numerous applications and items are liable to vibration from interior, just as outer sources.

The impact of this vibration can extend in seriousness from a PC proprietor’s impression of the nature of their boisterous hard drive to the real disappointment of a mechanical framework because of a high-cycle weariness.

Dainty metal parts and structures effectively transmit commotion when affected or by normal reverberation when energized by acoustic vitality.

This vibrating metal is likewise a typical issue in numerous mechanical and business applications and the issue is effectively fathomed with the correct vibration damping material.

• Is selecting a vibration-damping material important?

Damping materials lessen or take out the harming powers brought about by mechanical or electrical vitality. The presentation of a damping material relies upon the consolidated qualities of the material and the earth wherein it is utilized.

It is critical to pick the best damping material for a particular domain to expand its exhibition. Pick the best vibration damping material to guarantee an expansion in the life expectancy of your hardware or an improvement in the security of your workers in your application.

The attributes that make a material best for damping in an application will work be the ones that explicitly increment the life expectancy of the hardware or improve the wellbeing of the representatives.

• Pick the best vibration damping material

Vibration damping is a term that is utilized in modern, electronic and ergonomic applications when there is a need to diminish the measure of vitality that is created by the framework.

Regularly architects attempt to address and lessen this vitality at its source so the exasperating power isn’t at or close to a characteristic recurrence.

This will guarantee that reverberation does not happen. Now and again this isn’t workable for some reasons so issues will, for the most part, be controlled with a vibration damper.

Typically when a decent vibration dampening is included, the vitality that is left over is expelled and changed over to a modest quantity of warmth.

There are so many companies providing the best vibration damping material. So choose the one that is trusted and has a very good track record.

 

Acquire the Efficient Performance of Applications through the Dampening Process

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high density polymers, high-density plastics, thermoplastic composite materials, vibration dampening, Vibration damping material

Today’s world is involved with a lot of heavy machinery and other equipment this makes the people is in contact with vibration on every day. There is also a vibration that is created by the collision of the machinery in the industrial area and other application vibrations in the commercial regions.

This paves a way to the vibration dampener which absorbs the unwanted vibration and enables the applications to be executed in a proper way. These are made out of a material Sorbothane which expands or contracts based on the gaps present in the material. When there is a vibration in the material then the kinetic energy moves to the dampener rather than travelling to the ground.

Determine the efficiency of the vibration damper

A damping coefficient is an important property that identifies the material can return energy to the system or it may bounce back. Some material may initiate unnecessary vibration which observes the energy and decrease the reactivity to the system. The stability of the materials is determined by the temperature range as it is to be used in complicated applications.

There may also a failure that is caused by different loads and never attains the sufficient level causing the application failure. vibration dampening holds the solid as well as liquid property which enables them to decrease the vibration. These are used in the insoles of shoes, exercise mats, and soundproof walls.

They are also used to create flexible flooring that can tolerate pressure that is produced by the heavy equipment. Vibration damping material safeguards hard surfaces utilizing the technique by spreading the kinetic energy over the dampening material. These materials are designed to be weightless and soft such that they can be used comfortably.

Importance of damping process

In the case of doors and drawer springs, Vibration dampening eliminates the blows that are created while they are opened and closed. They help to maintain as well as protect the system in a proper manner. They are also used in large-scale environments such as bridge where the vehicles pass through the bridge and the vibration is eliminated.

The vibration also generated by the external sources of the electronic gadgets, navigation systems, and laptops. This requires the vibration to be managed rightly in order to avoid the failure of the electronic devices as well as their connections. This may lead to the weakness of the soldering along with the data loss resulting in the inefficient performance.

The usage of vibration damping material in such electronic components avoids unexpected failures in the device and enables the user with the vibration resistant. They are also designed such that they possess the ability to handle the extreme shocks. This helps to resolve the majority of the issues raised in the industrial and commercial environments.

When an elastic material is used it preserves the energy while the load and releases the energy when the load is eliminated. When a viscoelastic material is used then it maintains the energy and returns the energy as heat. Thus the damping process eliminates the vibration in the all the applications and improves the performance to a great extent.

 

Major Instructions about Vibration Damping

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engineered thermoplastics, radiation shielding materials, thermoplastic composite materials, vibration dampening, Vibration damping material

The vibration damping is the term which is used for ergonomic, industrial and electronic applications. It is used to reduce the amount of any energy that is occurred by the system. It ensures that the resonance doesn’t occur. These situations or problems are sometimes controlled or handled with the help of a vibration damper.

Vibration is created by the waves of energy, and after then it creates both amplitude and frequency. The vibration damping material is used to reduce or eliminate the vibration which is created by the materials of the system or only the system.

Factors to consider while choosing a vibration damper

There are some important factors which the users need to consider while to buy a vibration damper. They need to know and understand each and every single thing properly about these vibration dampers properly and then go for buying them. The following are some important key factors which one should consider while going to choose a vibration damper –

• Good service – It means that the vibration damper you are going to choose is of good quality and provides you with the best vibration dampening services. Users need to read or check out all the reviews related to the vibration damper as it gives them the proper information about it.

• Wide temperature range stability – This stability were mostly used in extreme application environments. This factor plays an important role in the dampening process.

• Good durability – It refers to the life of vibration damper that you are going to purchase. The good quality vibration damper provides you the dampening services for a long time. In order to get the best vibration damper, one must know all the basic things about it accurately. It gives you many benefits as you don’t need to buy a new vibration damper every time.

It is necessary for the users to use only the best vibration damper which gives them the best service experience. The more good material they choose, the more good results it gives in the form of reducing the vibration.

Choosing a vibration damping material

If the users want to select the best vibration damping material, then they need to consider two qualities. The first one is that the material is soft or dead and the second one is that the material is dense. These ecomass technologies provide its customers the best vibration materials in order to get good results. The vibration services need more good quality material to reduce or eliminate the vibration from the system.

Final words

It is important for the users to know each thing properly about these vibration dampening applications. It requires more material to reduce the vibration from the system or from the system of materials. Users need to choose only that vibration damper which is available at a normal price and meets the application density. It is the best way to reduce the vibration from the material system. In the market there are different types of vibration damper are available easily.

 

Different Radiation Shielding Materials and The Techniques

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gamma ray shielding, radiation shielding, radiation shielding materials, X-ray shielding

With regards to giving radiation shielding from consistently utilized devices, for example, restorative/X-ray and air terminal discovery devices there are couple of contrasting options to the metal lead. Lead has turned out to be the most financial and viable material for shielding people from radiation delivering devices.

Different materials, for example, concrete are generally utilized anyway the thickness required to accomplish a proportionate shielding ability to lead are considerably more prominent. In this manner lead has turned into the most reasonable material for radiation shielding arrangements.

Industry

Frequently inside the developments business, radiation shielding materials are utilized. Lead is genuinely reasonable and is effortlessly controlled alongside being consumption safe. This makes it a perfect and savvy radiation shielding arrangement.

In wellbeing offices all people can be shielded from radiation by lead lined rooms, entryways etc. This additionally applies to dental and vetinary medication.

It nearly abandons saying that all atomic power offices require lead shielding. The region around the atomic plant should be secured additionally and vehicles which transport radioactive materials should be protected.

In the guard business there is an awesome requirement for radiation shielding items. These incorporate lead blocks and lead fleece among different things. Submarines are regularly atomic controlled and need to clearly have solid radiation shielding thus.

Lead as a radiation shield

Lead has numerous utilizations and applications and thusly is greatly adaptable. Lead is to a great degree simple to work with because of the way that it is delicate and can be cut with shears and suchlike.

This is a substance which is exceedingly consumption safe and which squares radiation superbly, subsequently its utilization in atomic offices et cetera. The great part of lead as because of its flexibility and simplicity of working with it can be made to suit the correct necessities of a room or office. Indeed, even the most complicatedly shapes corners, cornices and dividers can be worked around. This will guarantee that the lives of individuals are sheltered and that there are no unsafe radiation spillages by any stretch of the imagination.

Lead which in a few circumstances, for example, in out-dated drinking glasses can be negative, additionally has a standout amongst the best uses known to man. We don’t imagine that a government organization will manage that the utilization of lead as a radiation shielding material be prohibited. Since lead is utilized so inescapably in industry, prohibiting it would close down the therapeutic imaging industry, airport detection systems and numerous atomic applications. It is just not plausible to do as such today.

All in all, it creates the impression that the lead is setting down deep roots for a wide assortment of mechanical applications.

 

Improving Ship Comfort

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high density engineered thermoplastics, high density polymers, high-density plastics, thermoplastic composite materials, vibration dampening

Consorzio Servizi Navali Industriali (CSNI Scarl) and Marinoni, European companies that specialize in flooring and fire prevention systems, are working on solutions to improve ship comfort. Their projects focus on reducing the noise that passes through deck structure into the cabins below and developing a new housing solution that reduces the height between decks.

The engineers looked at the ship’s structure with regard to reducing vibrations. There were hundreds of supports in the ship’s structure. Inserting an acoustical vibration dampening system at the base of the supports would dampen the vibrations and cut their flow.

The engineers will also identify and develop improvements for future ships. Such improvements will reduce structure weight, overall installation volume, and reduce construction and refitting time costs. This part focuses mostly on the hotel part of the ship.

The companies’ objective are to industrialize the system and pinpoint a configuration that can attain the highest dampening of the widest spectrum of vibro-acoustic frequencies, all while maintaining shipbuilding requirements.

CSNI Scarl and Marinoni presented their work at the March 19, 2018 Italian Association for the Council of European Municipalities and Regions

Ecomass Technologies

Ecomass Technologies is the pioneer and technological groundbreaker in high density plastics, high density polymers, thermoplastic composite materials, and high density engineered thermoplastics. Its sales and engineering teams have helped commercial and government customers conquer physical property challenges by developing over 100 high gravity thermoplastic composite materials engineered for weighting, balancing, radiation shielding, and vibration dampening applications.

All materials have natural or resonance frequency. Energy waves, which have both frequency and amplitude, cause vibrations. When technicians and engineers can’t isolate and reduce energy at the source, they utilize dampening materials to reduces, restrict, or prevent oscillations and, thus, reduce energy.

Aircraft audio systems, sports and luxury automobiles industrialists, are just of the few who have successfully used Ecomass’s vibration dampening compounds to achieve their developmental goals.

All Ecomass Compounds meet the EU RoHS Directive, are 100% lead free, do not contain any U.S. EPA toxic or hazardous materials, and comply with Section 1502 of the Dodd-Frank Act.

Contact Ecomass today or see its website and complete one if its RFQ Forms to find out how you and/or your company might be able to use its compounds for vibration dampening or apply them to any other valuable use.

 

Boeing to Use Parts Made From Thermoplastic Composite Materials

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advanced composite materials, composite materials, high density plastic, Lead poisoning, Lead substitute, radiation protection, radiation shielding, thermoplastic composite materials, thermoplastic composites, Vibration Damping, X-ray shielding

Boeing recently awarded a multiyear contract to LMI Aerospace for thermoplastic composite parts for its 747, 767 and 787 Dreamliner aircraft.

thermoplastic composite materials save costs when compared to other metals and, thus, are being used more and more in the aerospace industry. End finishing work on parts fashioned from other materials considerably increases per-part cost. So, cost effectiveness is most particularly noted with smaller parts.

Thermoplastic composite parts additionally offer the same composite strength and weight advantages as metal. LMI further saves costs by producing parts in batches.

Ecomass Technologies

Since 1998, Ecomass Technologies has delivered groundbreaking solutions through advanced thermoplastic composite materials, high density polymers, high density plastics, and tungsten polymers, which can be used in various applications, including weighting, balancing, radiation shielding and vibration damping.

Ecomass works with both government and commercial clients to solve issues, develop solutions, and meet application needs. Its skills, and experience in the formulation and development of high-density thermoplastic compounds offers its customers the freedom to design and focus on form and function, while it solves the challenges their products face. It empowers its customers to design and produce the best parts possible by providing them with the highest-performance and lowest-cost high density materials and high density plastics so that they can succeed and prosper in their markets.

The perfect high gravity compound, expertly engineered to your part or application requirements at the optimal price point, is only a few clicks or a phone call away. Contact Ecomass today to learn how it can deliver a material solution perfectly tailored to your needs. Or, check out its Case Studies and Products pages to learn more about how its materials have been utilized to add value to its customers’ products.

All Ecomass Compounds meet the EU RoHS Directive, are 100% lead free, do not contain any U.S. EPA toxic or hazardous materials, and comply with Section 1502 of the Dodd-Frank Act.

The “Ice Effect”

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gamma ray shielding, high density polymers, high-density plastics, thermoplastic composite materials, vibration dampening material

In February 2018, Engineering.com reported that an ultra high molecular weight polyethylene, a low friction plastics, mimics ice’s characteristics, or produces an “ice effect,” when lubricated.

Such polymers have already been used on the bottoms layers of racing skis, but not on the top of a track. Researchers at Harvard recently revealed the polymer’s “ice effect” value for Olympic sports such as bobsledding for countries that don’t experience cold conditions or snow. Now, such countries can closely duplicate the friction ice creates on the bottom of a bobsled, luge, skeleton, etc. And, there’s no risk of damage as the spray is self-healing. Early testing on plastic tracks showed the same speeds as on ice tracks.

Providing other countries the opportunity enjoy sledding sports others and letting more people compete in sledding competitions is, of course, one huge advantage. Other advantages include reducing environmental impact and cost savings. Low friction sled costs equal are around $4-$5, while standard sledding costs exceed over $90 million.

Researchers hope to utilize the “ice effect” to the 2020 Youth Olympic Games in Switzerland.

Ecomass Technologies

Since 1998, Ecomass Technologies has offered cutting-edge solutions through advanced composite materials, engineered thermoplastic composite materials, high density plastics, high density polymers, and gamma ray shielding. Its skill and expertise allows customer to focus on form and function while it resolves the products’ material challenges. It strives to provide customers with the highest performing, lowest priced materials so that they can effectively compete in their markets.

Ecomass’ high gravity compounds are engineered to replace traditional materials and have been used as a substitute for lead, aluminum, steel, stainless steel, brass, bronze, copper, and other metals in the following applications:

o To replace lead projectiles with nontoxic frangible projectiles as training ammunition for military and law enforcement personnel.

o To shield -ray and gamma ray sources in medical and industrial devices.

o As a Vibration damping material in the automotive and sporting goods industries.

o To balance weights and reduce the loads to which a part is exposed, thereby increasing its service life.

These are really just a few examples of what Ecomass industries’ compounds can do. It can let people who in areas that never see snow actually enjoy bobsledding.

All Ecomass Compounds meet the EU RoHS Directive, are 100% lead free, do not contain any U.S. EPA toxic or hazardous materials, and comply with Section 1502 of the Dodd-Frank Act.

See Ecomass’ website to learn more about its compounds, products, and services and/or fill out its RFQ form to learn how it can develop and deliver a solution to satisfy your needs.

The Quatro Baseball Bat

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high density engineered thermoplastics, high density polymers, High gravity compounds, high-density plastics, thermoplastic composite materials, vibration dampening, vibration dampening materials

Last summer, Rawlings launched the Quatro, a new BBCOR baseball bat. A BBCOR bat, or “Batted Ball Coefficient of Restitution,” refers to a regulated standard regarding how much energy is lost during a baseball bat’s contact with the baseball. The higher the number, the higher the bat’s trampoline, or bouncing back, effect. The National Federation of State High School Associations (NFHS) and National Collegiate Athletic Association (NCAA), set 0.50 as the maximum BBCOR value (slightly higher that wood’s trampoline effect).?

The Quatro is an aluminum bat with an inner barrel that’s a blend of carbon fiber and resin. The blend provides a flexible outer shell and a stiff inner barrel. The outer barrel acts as a highly flexible trampoline. A hinge system connects the barrel to the handle, which functions as a vibration dampening collar. The connecting joint, which attaches to the urethane, both ensures that the outer shell never touches the handle and connects to the urethane that dampens vibrations coming off the barrel for enhanced player sensation.

The Quatro demonstrated quick study and anticipated roughly twenty-five percent of Rawlings’ BBCOR bat sales

Ecomass Technologies

Ecomass Technologies focuses in the creation and production of high density engineered thermoplastics, thermoplastic composite materials, high density plastics, high gravity compounds, and high density polymers. It delivers material solutions to OEMs and material processors worldwide. Its sales representatives and engineers have helped government and commercial customers surpass physical property challenges by developing over 100 high gravity thermoplastic composite materials engineered for weighting, balancing, radiation shielding, and vibration dampening applications.

Ecomass products replace traditional high density materials including lead and other metallic materials. Its high gravity compounds can be formulated up to the density of lead (11.0 g/cc), offer metal’s physical properties and weight, and deliver injection molded plastic’s design and production advantages. Its high gravity compounds can be injection or compression molded. Perhaps soon or even currently, its customers are either offering or will soon be offering secondary operations.

Vibration Dampening

Everything has frequency, either natural or resonance. Natural frequency is the frequency that exists when a system oscillates (or fluctuates) when not subjected to a continuous or repeated external force.

All materials have resonance frequency. Energy waves, which have both frequency and amplitude, cause vibrations. When technicians and engineers can’t isolate and/or reduce energy at the source, they apply dampening materials to lessen, limit, or avoid oscillations and, thus, reduce energy.

All Ecomass Compounds meet the EU RoHS Directive, are 100% lead free, do not contain any U.S. EPA toxic or hazardous materials, and comply with Section 1502 of the Dodd-Frank Act.

Contact Ecomass today or see its website and complete one if its RFQ Forms to find out how you and/or your company might be able to use its compounds for Vibration dampening or apply them to any other valuable use. Better yet, call me.

Ecomass Technologies

Ecomass Technologies’ concentrates on the development and production of high density engineered thermoplastics, delivering material solutions to OEMs, and material processors worldwide. Its sales representatives and engineering have helped commercial and government customers conquer physical property challenges by developing over 100 high gravity thermoplastic composite materials engineered for weighting, balancing, radiation shielding, and vibration dampening applications.

Ecomass’ high density plastics, high density polymers, and high gravity compounds replace traditional high density materials, such as lead and other metallic materials. They offer the design and production benefits of injection molded plastics, while offering lead’s density (11.0 g/cc) and metal’s weight and physical properties. Its high gravity compounds can be injection or compression molded, which eliminate the need for secondary operations and, thus, reduce costs.

Vibration Dampening

To reduce or eliminate these vibrations, engineers must either isolate or dampen resonant frequency. If isolation isn’t possible, engineers next introduce a damping material, which reduces, restricts, or prevents the oscillatory system’s energy. Ecomass achieves vibration dampening by selecting a practical and appropriate, high gravity soft base resin or Vibration damping material.

Ecomass’ high gravity thermoplastics composite materials have been utilized successfully in a wide variety of vibration dampening applications, including:

o aircraft audio headphones, to improve reception quality and minimize outside noise

o manual transmission shifters, where upper end sport/luxury automobiles drivers of appreciate the decrease in shifter rod vibration

o golf club weights, woods, irons and wedges, thus improving golfers’ swing and ball strike.

Ecomass Compounds meet the EU RoHS Directive, are lead free and nontoxic, completely satisfy international marketplace regulatory concerns, contain no toxic constituents or U.S. EPA hazardous materials, and comply with the Dodd-Frank Act, Section 1502.

Contact Ecomass today to check its case studies and products page to learn how it can deliver a custom tailored material for you.

The Peregrine Fund Hopes to Save Birds From Extinction

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Frangible ammunition, high density materials, Lead free ammunition, thermoplastic composite materials, vibration dampening

The Peregrine Fund hopes to save California Condors, one of world’s largest birds, from extinction by asking hunters in Utah and Arizona to use lead free ammunition.

Hunting and habitat destruction almost caused the California Condor to become extinct. Lead poisoning, however, causes the most deaths. Hunters, using lead bullets, while target shooting, shooting rabbits and other small animals. The birds then feed on the carcasses and suffer from lead poisoning.

In 1996, six California Condors were released in the region. There are now eighty-two. Roughly 450 birds live in captivity or in California and Mexico.

The Peregrine Fund has recruited social scientists and wants to educate coyote and bobcat hunters, as well as those who put down feral or domestic animals and leave the bodies for the condors and other scavenging birds.

The states of Arizona and Utah have sent letters to deer hunters, provided lead free ammunition at no cost, hosted shooting clinics, and offered raffles for those willing to drop off animal carcasses. The programs, however, are voluntary.

Ecomass Technologies

Since 1998, Ecomass Technologies has delivered innovative solutions through advanced composite materials and engineered thermoplastic composite materials. It has worked with both government and commercial customers to overcome physical property and material challenges to meet application needs. Its knowledge, skill, and expertise in the formulation and development of high density thermoplastic compounds allows it to solve material challenges so its customers, original equipment manufacturers, and material processors have the design freedom to focus on form and function. It strives to provide its customers with the highest performing, best priced materials and empower them to develop and produce the finest parts possible and allow them to compete in their respective markets.

Ecomass’ high gravity compounds are engineered to replace traditional materials and have been used as a substitute for lead, aluminum, steel, stainless steel, brass, bronze, copper, and tungsten in a variety of applications. They have been used to shield x-rays and gamma rays; dampen vibrations; balance weights and reduce the loads to which a part is exposed; and, provide density to traditional metallic materials with the production and economic advantages of injection or compression molding.

Ecomass Compounds

All Ecomass Compounds meet the RoHS Directive; do not contain lead or lead compounds; and, contain no materials the U.S. Department of Defense Listing of Toxic Chemicals, Hazardous Substances and Ozone Depleting Substances or the U.S. Environmental Protection Agency’s (EPA) Hazardous Substances Priority List considers toxic or hazardous.

Frangible Ammunition

Frangible ammunition represents the first practical revolutionary change to firearms science in over 100 years. Frangible ammunition powderizes upon impact in order to prevent ricochet hazard and to improve safety during close-quarters combat. Ecomass produces Frangible Ammunition with composite materials of tungsten, copper, or tin utilizing an injection molding or powder metallurgical production process.

Ecomass produces its frangible ammunition using a highly controlled injection molding process that meets the strictest of tolerances. Its projectiles pass both the military’s and many of the world’s leading ammunition manufacturers’ strict ballistic performance testing.

Ecomass Compounds have been used frangible ammunition for the following programs:

• Military training ammunition projectiles (5.56mm)

• Military training ammunition projectiles (9mm and 40 cal)

• 40mm door breaching grenade projectiles for law enforcement personnel

Lead Free Ammunition

Nontoxic, lead free ammunition remains one of the first and most significant Ecomass High Gravity Compound applications. It’s ideal for indoor ranges and close-quarters combat training. It increases safety and eliminates lead contamination risk at firing ranges and hunting grounds.

If you have a special requirement, contact Ecomass Technologies via its RFQ Form at:

http://www.ecomass.com/contact-us/

Or see its website at: http://www.ecomass.com/

It is probably already working on a solution.

 

Floor Vibration Control Could Help Design Quiet Nano-Tech Facilities

Tags

vibration dampening, Vibration damping material

Reducing floor vibration is essential for patterning and imaging industries that work at the sub-nanometre level. As experts move towards smaller scales for pin-point accuracy and more sophisticated solutions, the need for vibration damping and acoustic dampening solutions is now more than ever.

A number of instruments need to achieve extremely precise measurements and the highest of resolutions. For example, electron microscopes need resolutions that range from the sub-nanometer to the tens of nanometres. Yet other microscopes work with resolutions in the sub-Angstrom levels. Floor vibration often causes a hindrance for these tools as it prevents them from achieving their design specifications.

The Quiet Building Concept and its Limitations

To overcome such issues, architects bank on the concept of ‘quiet buildings’, where Vibration dampening and acoustic dampening materials are used to reduce vibration levels without causing too many complexities in design. However, while these buildings offer moderate vibration damping solutions, nano-tech facilities generally need to meet extremely low vibration specification levels, and this significantly increases the cost of constructing the facility.

Another hindrance to the concept of ‘quiet buildings’ is that even though the floors are made using Vibration damping material, the moment you add other machinery and people into the building, vibration negates any benefit that the quiet building design has to offer.

The Quiet Island Concept

New data shows that creating quiet islands at several locations within the facility can truly help the facility achieve the low vibration requirement of nano-tech facilities. The concept focuses on placing a damped, rigid platform that matches the footprint left by the instrument and is ably supported by active acoustic dampening and vibration cancelling systems at locations where precision instruments are located and in locations where experiments and research is expected to be conducted. To do so, architects replace a section of the access floor with an isolated foundation that has been mounted to the sub-floor in order to prevent sub-floor vibrations from reaching the devices.

Benefits of Creating a Quiet Island

One of the main benefits of creating quiet islands is that the technique offers an extremely quiet surface, thereby creating a mini-environment, oases within the facility that are free of vibration. It becomes easier to make these quiet islands meet the cleanliness requirement of nano-tech facilities and rather on focusing on clean rooms and vibration proof rooms, the focus soon turned to clean islands and vibration proof islands, thereby reducing costs and increasing efficiency.

The quiet island concept also helps overcome the vibration caused when people and machinery are introduced into the facility. The approach is to arrange low frequency inertial vibration sensors in 3 axes in order to determine the level of vibration. The signals pass through advanced controllers and high capacity piezoelectric actuators to prevent any floor motion from reaching the isolated surfaces of the quiet island.

The quiet island concept comes as a boon to advanced semiconductor factories and chip-makers. Researchers at advanced electron microscope and imaging centres and nanotechnology research centres can also benefit from the quiet island concept.