Rubber Isolation
May 31st, 2009
Rubber Isolation
can in-the-ear noise isolation earphones damage your hearing?
i just bought these earphones that are noise isolated (they have the rubber caps). I dont put my music really loud. I have an Ipod nano and i put the volume about 1/4 full, if not less. can that damage your hearing significantly???
as long as the music is not loud you'll be fine.
also dont u just feel sorry for those ppl who walk 20 feet from you and you can still hear their music through their earphones? in a couple of years the wont have any ears
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Isolation $4.99 Isolation |
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Mechanics of Rubber Bearings for Seismic and Vibration Isolation $118.31 No Synopsis Available |
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Isolation Drills $10.49 Isolation Drills |
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Isolation Transformer: Weight: 12 lbs. Model# 88000355 $1186.94 Isolation Transformer: Weight: 12 lbs. Model# 88000355 Especially important on metal hulled vessels, isolation transformers protect the metal fittings on any boat from potentially dangerous galvanic corrosion by isolating the onboard AC sytem from the shore power AC system, while still maintaining the safety provided by the AC green grounding wire. The Mass GI is an extremely small and light (only 13.2 lbs.) isolation transformer, supplied with the latest high-frequency switching technology. Suitable for 120V and 230V AC systems, rated at 16A⁄3.5 kVA per unit, it can be parallel coupled for higher capacity. Two 16A⁄3.5 kVA units correspond to 32A⁄7 kVA. This isolation transformer can be fitted in any position on a wall or floor. No rubber mountings are necessary because it does not vibrate or hum. The integrated Soft Start programming manages the current resulting from connection to shore power.Electronic high frequency technology - no humming nosieExceptionally lightweight and compact (only 12 lbs.)Integrated automatic Soft Start function eliminates high inrush currentsInput voltage from 90 to 255V and 45 to 65 HzHigh efficiency - minimal heat generationFeatures marine aluminium casingLow no-load consumption |
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Isolation Transformers Iso G-2 3.6KVA Isolation Transfomer $879.94 Isolation Transformers Iso G-2 3.6KVA Isolation Transfomer Charles Industries Isolation Transformers - ISO G-2 3.6KVA ISOLATION TRANSFOMER |
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Isolation Transformers Iso G-2 3.8KVA Isolation Transfomer $937.94 Isolation Transformers Iso G-2 3.8KVA Isolation Transfomer Charles Industries Isolation Transformers - ISO G-2 3.8KVA ISOLATION TRANSFOMER |
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Takagi TM-IV50 AB N/A Isolation and Pressure Relief Valves for T-M50 TM-IV50 $213 Isolation Valve Kit with Isolation Valves & Pressure Relief Valve for the T-M50 Tankless Water HeaterThe TM-IV50 kit uses isolation valves to isolate a unit for service. The Pressure Relief Valve is to help protect the unit and release if the pressure in the tankless water heater or hot water system exceeds 150 psi. For Takagi T-M50 & T-M50-ASME.T-Vent by Takagi offers the best in venting products including: Simple Leak-proof gasketed connections (no sealant required), quick and easy- snap-lock connections, high quality-category III stainless steel and horizontal terminations. They also have sliding adjustable pieces and convenience-T-vent kits are available. All T-Vent products are UL Listed and all connections have heat resistant rubber gaskets 4 Inches in diameter.Features:1 FNPT x FNPT with 2.7M BTU PRVIsolation Valves & Pressure Relief ValveFor Takagi Model:T-M50Why choose Takagi? Takagi produce some of the most highly efficient tankless water heaters in the industry. With a commitment to innovation and quality, they are constantly creating new technology to keep up with their customers ever-changing hot water needs. Takagi sets the bar with the most stringent of durability testing standards for all of our models. For 15 years, Takagi has provided the most eco-friendly, energy-efficient water heating solutions in North America. |
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SHOCK/VIBRATION ISOLATION PLATE $99.99 SHOCK/VIBRATION ISOLATION PLATE |
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Metrophones Isolation Headphones with Metronome $118.99 Metrophones Isolation Headphones with Metronome |
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Shure A55M Isolation Mount $25 Shure A55M Isolation Mount |
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Humfrees Rack Isolation Tabs $4.99 Humfrees Rack Isolation Tabs |
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OptraDam Anatomically Shaped Rubber Dam
A Layman’s Guide To Vibration Isolators
As fair weather spreads across of the continental US, construction professionals and boating enthusiasts both inspect their machinery for the season ahead. What to pleasure boats and earth movers have in common? According to professionals at AV Products, Inc. they have one issue in common with several other classes of vehicles, including cars, trucks and RVs: vibration. Vibration isolation mounts are an integral part of these machines. Large boats need marine engine mounts to keep in working order, and construction machinery needs engine vibration mounts to function safely.
How do they work? Anti-vibration mount technology is based on the principle of planned isolation: using systems to prevent a mechanical system’s vibrations from spreading to the surrounding structures. Without planned isolation, the powerful engines used in forklifts, larger boats and industrial machinery would be impossible. Built up vibrations would eventually damage the surrounding structures and tear the engine apart. A static mount such as a metal frame is ineffective because it will either transmit the vibrations into other structures anyway, or bounce them back to the machine, tearing it apart.
That’s why machines need mounts that will not only suspend the engine away from other structures, but provide a way to dissipate vibrations. The engine “floats” on its mounts, which absorb vibrations without significantly transmitting them to the rest of the structure. Vibration isolators do this by providing an opposed force; the net result of the two reduces the final vibration to a negligible level. The secret lies in using the exact materials, size and shape required so that when the mount is subjected to force from the engine, it contains and deflects it. Think of dropping a rubber ball. It bounces back because of the opposed force generated by its impact. If you were to tie the ball to your palm instead and slap the ground with the same force, you wouldn’t feel the ground, but you would feel the ball pushing back, deflecting the force of the impact.
Rubber anti-vibration mounts are far more sophisticated than this, however, because they are calibrated for the specific amplitude or intensity of the attached machine. The physics of vibration are well understood, so vibration isolators can be built for specific engines and other machines with a high degree of precision. Vibration isolation mounts are made of materials that match the necessary specifications. For example, rubber is a common material because of its elastic strength, but a mount will actually be made of a type of rubber designed to meet a specific vibration capacity. If the rubber is too soft, it won’t provide opposing force. If it’s too hard, too much of that force will deflect back, damaging the engine.
Unfortunately all systems wear out in time, so whether your machines are used for business or recreation, checking your anti-vibration mounts for wear and tear, and paying attention to unusual noises and vibrations should be one of the fundamentals of spring maintenance. Your anti-vibration mounts are essential. If they don’t work, the engine doesn’t work. Order the right replacements as soon as possible.
About the Author
AV Products, Inc. is a leading supplier of mobile and stationary machine mounts for industrial and marine applications, including marine mounts for workboats and pleasure boats and rubber vibration mounts for power generation systems and construction vehicles. For inquiries, AV Products toll free at 866-496-5654 or email info@avproductsinc.com.
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