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Noise, Shock and Vibration Control

CDM-Rail Noise and Vibration Isolation

The success of any vibration isolation system, is dependent upon the system being optimized for the operating loads.
The success of any vibration isolation system, is dependent upon the system being optimized for the operating loads. 		The simplest way of isolation consists of a railpad situated directly under the rail, at the intersection with the sleepers.
The simplest way of isolation consists of a railpad situated directly under the rail, at the intersection with the sleepers. 		Level 3 intervention means, discrete isolator systems can be used, such as steel springs.
Level 3 intervention means, discrete isolator systems can be used, such as steel springs.
A CDM embedded rail vibration isolation solution.
A CDM embedded rail vibration isolation solution. 		Installing and renovation of an entire crossroads is now possible with the CDM MODULIX® system, which consists of prefabricated reinforced concrete modules.
Installing and renovation of an entire crossroads is now possible with the CDM MODULIX® system, which consists of prefabricated reinforced concrete modules.

CMS Vibration Solutions-Noise and Vibration Control, Ballast Mats and Floating Concrete Trackbed Systems

A growth in the commercial and residential development of land directly adjacent to railways means the control of noise and vibrations is of increasing importance.
A growth in the commercial and residential development of land directly adjacent to railways means the control of noise and vibrations is of increasing importance. 		Both Regupol and Regufoam are constructed with environmentally friendly materials and can deliver high-performing anti-vibration and structural isolation.
Both Regupol and Regufoam are constructed with environmentally friendly materials and can deliver high-performing anti-vibration and structural isolation. 		Designed to actively isolate rail structures, Regufoam enables greater slab-track elasticity and effectively reduces load on the ballast.
Designed to actively isolate rail structures, Regufoam enables greater slab-track elasticity and effectively reduces load on the ballast.
Measures should be taken to reduce the transfer of noise and vibrations at railway tunnels and bridges - installation of an appropriate grade of Regupol or Regufoam achieves this.
Measures should be taken to reduce the transfer of noise and vibrations at railway tunnels and bridges - installation of an appropriate grade of Regupol or Regufoam achieves this. 		CMS Vibrations works closely with acoustic consultants, engineers and key specifiers to formulate bespoke solutions to noise and vibration problems in all railway applications.
CMS Vibrations works closely with acoustic consultants, engineers and key specifiers to formulate bespoke solutions to noise and vibration problems in all railway applications.

Colibrys-Motion Sensors and Actuators

Colibrys provides a wide range of standard and semi-custom MEMS-based products for railway motion sensing applications
Colibrys provides a wide range of standard and semi-custom MEMS-based products for railway motion sensing applications 		Colibrys offers the right product with the right specifications for the right application.
Colibrys offers the right product with the right specifications for the right application. 		A wide range of standard MEMS capacitive accelerometers are available from stock.
A wide range of standard MEMS capacitive accelerometers are available from stock.
Variable capacitance sensors address the requirements for tilt sensing applications.
Variable capacitance sensors address the requirements for tilt sensing applications. 		MS8000 standard products are available from ±2g to ±100g.
MS8000 standard products are available from ±2g to ±100g.

ContiTech Railway Engineering-Railway Suspension Systems

On track worldwide with the right suspension concepts!
On track worldwide with the right suspension concepts! 		The Gigabox from ContiTech and SKF copes with all major challenges facing freight car components. Thanks to the system's long maintenance intervals, smooth running and light weight, it operates maintenance-free for up to one million kilometres.
The Gigabox from ContiTech and SKF copes with all major challenges facing freight car components. Thanks to the system's long maintenance intervals, smooth running and light weight, it operates maintenance-free for up to one million kilometres. 		ContiTech: Staying on track with primary and secondary suspension.
ContiTech: Staying on track with primary and secondary suspension.
They do away with conventional shock absorbers: Hydraulic springs from ContiTech Luftfedersysteme.
They do away with conventional shock absorbers: Hydraulic springs from ContiTech Luftfedersysteme. 		A contactless functioning height and pressure sensor has been integrated into the air spring by ContiTech Air Spring Systems.
A contactless functioning height and pressure sensor has been integrated into the air spring by ContiTech Air Spring Systems.

ELPA-Rail Noise and Wear-Out Reduction Technology

Elpa won the 2004 European Business Award for the Environment.
Elpa won the 2004 European Business Award for the Environment. 		The CL-E1 ws - a wayside application system for rails; various modifications enable the use of CL-E1 ws on railways, tramways and metros.
The CL-E1 ws - a wayside application system for rails; various modifications enable the use of CL-E1 ws on railways, tramways and metros. 		The carry-down effect of environmentally friendly composite material can be seen several kilometres from the dosing point.
The carry-down effect of environmentally friendly composite material can be seen several kilometres from the dosing point.
The CL-E1 ug - an underground application system for rails ideal for reduction of noise in urban areas.
The CL-E1 ug - an underground application system for rails ideal for reduction of noise in urban areas. 		The BREMEX-ANNSYS anti-noise system for rail brakes on a hump yard.
The BREMEX-ANNSYS anti-noise system for rail brakes on a hump yard.

Gerb-Vibration Control Systems
(for Mitigation of Vibration and Structure-Borne Noise)

Floating slab (length 60m) for double tram track with embedded GERB spring elements, in Bielefeld, Germany.
Floating slab (length 60m) for double tram track with embedded GERB spring elements, in Bielefeld, Germany. 		Installation of embedded GERB spring elements.
Installation of embedded GERB spring elements. 		6Hz floating trackbed at Chonan station, on the Seoul to Pusan high-speed line in Korea.
6Hz floating trackbed at Chonan station, on the Seoul to Pusan high-speed line in Korea.
Spring element for building isolation.
Spring element for building isolation. 		The geographical spread of GERB's subsidiaries.
The geographical spread of GERB's subsidiaries.

Getzner Werkstoffe-Vibration and Noise Protection Products for Railway Superstructures

Elasticity in modern superstructures. For the last 25 years, Getzner has amassed expertise in the field of elasticity of modern superstructures.
Elasticity in modern superstructures. For the last 25 years, Getzner has amassed expertise in the field of elasticity of modern superstructures. 		Rail and baseplate pads for rail resilient rail fasteners, used on trams, subways, light rail and main lines.
Rail and baseplate pads for rail resilient rail fasteners, used on trams, subways, light rail and main lines. 		Applications for elastic sleeper pads include vibration isolation, increased track stability, adjustment of track stiffness and reduced rail corrugation.
Applications for elastic sleeper pads include vibration isolation, increased track stability, adjustment of track stiffness and reduced rail corrugation.
Ballast mat - Getzner’s Sylomer® and Sylodyn® materials are ideal for elastic supports in all mass-spring systems where the noise isolation demands are very high.
Ballast mat - Getzner’s Sylomer® and Sylodyn® materials are ideal for elastic supports in all mass-spring systems where the noise isolation demands are very high. 		These mass-spring systems are used in applications where the isolation demands, in terms of structure-borne noise, are very high and where the use of these systems is possible.
These mass-spring systems are used in applications where the isolation demands, in terms of structure-borne noise, are very high and where the use of these systems is possible.

GMT Rubber-Metal-Technic Ltd-Suspension Systems and Rubber-Metal Anti-Vibration Components

With almost 40 years of experience in the industry, GMT offers a comprehensive range of components and complete system solutions for the improvement of safety and ride comfort on rail vehicles.
With almost 40 years of experience in the industry, GMT offers a comprehensive range of components and complete system solutions for the improvement of safety and ride comfort on rail vehicles. 		GMT chevron axle springs are multi-purpose vibration reducing elements.
GMT chevron axle springs are multi-purpose vibration reducing elements. 		GMT conical springs and rolling rubber springs are used frequently in rail bogie manufacture.
GMT conical springs and rolling rubber springs are used frequently in rail bogie manufacture.
GMT primary coil spring systems are designed to overcome the issues associated with the use of standard steel coil springs in suspensions whilst maintaining the traditional benefits.
GMT primary coil spring systems are designed to overcome the issues associated with the use of standard steel coil springs in suspensions whilst maintaining the traditional benefits. 		GMT also produce a wide range of additional mounting systems such as buffers, bushes, spherical bearings, control links, steering rods, multi layer rubber springs and pivot bearings.
GMT also produce a wide range of additional mounting systems such as buffers, bushes, spherical bearings, control links, steering rods, multi layer rubber springs and pivot bearings.

HUTCHINSON PAULSTRA-Primary Suspensions, Secondary Suspensions and Rubber-Metal Parts for Train Bogies

Rubber-metal parts for bogies cover pneumatic secondary suspensions and primary suspensions for all main rolling stock applications.
Rubber-metal parts for bogies cover pneumatic secondary suspensions and primary suspensions for all main rolling stock applications. 		A wide range of primary and pneumatic secondary suspensions improve the quality and safety of rail vehicles' rides.
A wide range of primary and pneumatic secondary suspensions improve the quality and safety of rail vehicles' rides. 		Hutchinson Paulstra's bushes, equipped rods, traction mechanisms and anti-roll bars reduce friction and play and decrease wear and noise.
Hutchinson Paulstra's bushes, equipped rods, traction mechanisms and anti-roll bars reduce friction and play and decrease wear and noise.
Resilient elements for low-deck tramway wheels are also covered in Hutchinson Paulstra's range.
Resilient elements for low-deck tramway wheels are also covered in Hutchinson Paulstra's range.

Hyperlast-Polyurethane Elastomers for the Rail Industry

Hyperlast's Series Six is a two-component, modified polyurethane encapsulation system that provides flexibility, high electrical resistance and insulation.
Hyperlast's Series Six is a two-component, modified polyurethane encapsulation system that provides flexibility, high electrical resistance and insulation. 		XiTRACK can be used to fix persistent track faults, reduce maintenance costs, improve ride comfort, maintain track speed and minimise disruption.
XiTRACK can be used to fix persistent track faults, reduce maintenance costs, improve ride comfort, maintain track speed and minimise disruption. 		Dynathane's damping abilities, combined with excellent chemical and mechanical properties, make it an excellent product for shock, noise and vibration control.
Dynathane's damping abilities, combined with excellent chemical and mechanical properties, make it an excellent product for shock, noise and vibration control.
As Traffideck is VOC and SCAQMD rule compliant, there are few environmental issues to consider, either when applying the instant setting membrane or during its lifetime.
As Traffideck is VOC and SCAQMD rule compliant, there are few environmental issues to consider, either when applying the instant setting membrane or during its lifetime. 		The strength and the reliability of Hyperlast's products make them suitable for a range of both light and heavy construction and engineering applications across the railway industry.
The strength and the reliability of Hyperlast's products make them suitable for a range of both light and heavy construction and engineering applications across the railway industry.

International Track Systems-Composite Ties and Composite Sleepers

This photograph shows a split in an unused wood composite sleeper. Eliminate high maintenance and inspection costs with the EcoRail GPT composite sleeper.
This photograph shows a split in an unused wood composite sleeper. Eliminate high maintenance and inspection costs with the EcoRail GPT composite sleeper. 		The EcoRail GPT composite sleeper.
The EcoRail GPT composite sleeper. 		The Perfection rubber rail seat and the ITS rubber tie plate.
The Perfection rubber rail seat and the ITS rubber tie plate.
This diagram shows some of our most common products. We also custom manufacture parts to the railroad's specifications.
This diagram shows some of our most common products. We also custom manufacture parts to the railroad's specifications.

Mediterr Shock Absorbers Spa-Gimon / MSA Dampers for Rail Vehicles

GIMON shock absorbers are installed in high-speed trains, as in this ETR 500 by FIAT FERROVIARIA.
GIMON shock absorbers are installed in high-speed trains, as in this ETR 500 by FIAT FERROVIARIA. 		One of our test benches with 10-speed hysteresis cycles - Each single shock absorber is controlled by special test benches, load cell and computer assisted, which test, seriate and record all data related to the shock absorber.
One of our test benches with 10-speed hysteresis cycles - Each single shock absorber is controlled by special test benches, load cell and computer assisted, which test, seriate and record all data related to the shock absorber. 		A wide range of products for any application - The high technology we apply allows us to meet the requirement for a prolonged warrantees.
A wide range of products for any application - The high technology we apply allows us to meet the requirement for a prolonged warrantees.
GIMON yaw shock absorber and view of section.
GIMON yaw shock absorber and view of section. 		High technology in new design – The newest project of Virgin Trains by Bombardier and SIRIO tram by Breda Costruzioni Ferroviarie.
High technology in new design – The newest project of Virgin Trains by Bombardier and SIRIO tram by Breda Costruzioni Ferroviarie.

Rex Articoli Tecnici-Rubber and Thermoplastic Railway Components

One of the recent projects in the Zimmerberg tunnel of Switzerland's SBB, using Rex rubber boots with specially developed microcellular rubber pads.
One of the recent projects in the Zimmerberg tunnel of Switzerland's SBB, using Rex rubber boots with specially developed microcellular rubber pads. 		Glide springs, sandwich springs and different elements for bogie production. The company has been registered to ISO since 1980.
Glide springs, sandwich springs and different elements for bogie production. The company has been registered to ISO since 1980. 		Rex developed a particular insulation system for the city railway: anti-vibration profile with insulating effect and noise absorption sideparts.
Rex developed a particular insulation system for the city railway: anti-vibration profile with insulating effect and noise absorption sideparts.
Rex Articoli Tecnici can deliver SWISSCROSS rubber level crossings.
Rex Articoli Tecnici can deliver SWISSCROSS rubber level crossings.

Rogers Corporation-Silicone Solutions for Safety, Comfort, and Sound Control

Materials can be easily fabricated and customised into various designs for applications involving vibration isolation, cushioning, shock absorption, sound reduction and sealing in railcar interiors.
Materials can be easily fabricated and customised into various designs for applications involving vibration isolation, cushioning, shock absorption, sound reduction and sealing in railcar interiors. 		BISCO Fire Protective Covering (FPC) products offer additional resistance to fires by protecting floors and passenger cabins from exposure to flames.
BISCO Fire Protective Covering (FPC) products offer additional resistance to fires by protecting floors and passenger cabins from exposure to flames. 		Rogers BISCO Silicones are reactive solutions to noise that block the path of sound and vibration into the vehicle.
Rogers BISCO Silicones are reactive solutions to noise that block the path of sound and vibration into the vehicle.
BISCO Silicone foams, solid rubbers and composites are manufactured within tight tolerances to precise increments of thickness, weight and hardness, offering engineers a wide range of design solutions.
BISCO Silicone foams, solid rubbers and composites are manufactured within tight tolerances to precise increments of thickness, weight and hardness, offering engineers a wide range of design solutions.

Saargummi-Vibration and Noise Reduction Systems / Foamed EPDM Elastomer

Resilient rubber components for track systems increase noise protection and reduce maintenance costs. The Eurotunnel is one of our references.
Resilient rubber components for track systems increase noise protection and reduce maintenance costs. The Eurotunnel is one of our references. 		Resilient rubber components for track systems are a guarantee for long term age resistance and weatherproofing, high UV and ozone stability and minimum water absorption.
Resilient rubber components for track systems are a guarantee for long term age resistance and weatherproofing, high UV and ozone stability and minimum water absorption. 		Elastomer rail pads reduce natural oscillations and vibrations and corrugation formation on rail contact surfaces.
Elastomer rail pads reduce natural oscillations and vibrations and corrugation formation on rail contact surfaces.
Our product attributes are exceptional. This is the combined result of many years of experience and our high-quality elastomers that have outstanding longevity.
Our product attributes are exceptional. This is the combined result of many years of experience and our high-quality elastomers that have outstanding longevity.

Schrey & Veit-Shock and Vibration Technology

Wheel absorber to reduce squealing noise.
Wheel absorber to reduce squealing noise. 		Wheel absorber to reduce rolling and squealing noise.
Wheel absorber to reduce rolling and squealing noise. 		Absorber for high-speed trains and locomotives.
Absorber for high-speed trains and locomotives.
Rail absorber.
Rail absorber. 		Absorber to reduce the noise radiation of railway steel bridges.
Absorber to reduce the noise radiation of railway steel bridges.

Semperit-Elastomers, Plastics and Rubber Compounds for Railway Applications

Semperit - more than you expect. Semperit rubber compounds are utilised in sleeper production, rail fastenings, elastic sleeper pads, elastic embedded systems, filling profiles and level crossing systems.
Semperit - more than you expect. Semperit rubber compounds are utilised in sleeper production, rail fastenings, elastic sleeper pads, elastic embedded systems, filling profiles and level crossing systems. 		Dowel production for sleeper manufacturers. Devising products for sleeper manufacturers has been part of our business for many years.
Dowel production for sleeper manufacturers. Devising products for sleeper manufacturers has been part of our business for many years. 		Filling profiles, for where emergency vehicles have to pass over the rail.
Filling profiles, for where emergency vehicles have to pass over the rail.

Trelleborg-Antivibration Mountings and Suspension Systems

Trelleborg provides solutions for noise, vibration and shock for a wide range of applications within the rail industry.
Trelleborg provides solutions for noise, vibration and shock for a wide range of applications within the rail industry. 		Trelleborg products are suitable for every application from trams and light rail to heavy freight locomotives.
Trelleborg products are suitable for every application from trams and light rail to heavy freight locomotives. 		In the railway industry, the Metalastik® brand product line is unrivalled.
In the railway industry, the Metalastik® brand product line is unrivalled.
Sixty years of experience of bonded rubber to metal technology coupled with state of the art simulation techniques, gives us the capability to respond to our customers’ challenges.
Sixty years of experience of bonded rubber to metal technology coupled with state of the art simulation techniques, gives us the capability to respond to our customers’ challenges.

Zhuzhou Times New Material Technology (TMT)-Engineered Rubber Products

We are dedicated to create a safe and comfortable motion space.
We are dedicated to create a safe and comfortable motion space. 		We are confident in our products focusing on vibration control for railway bogie, track and bridge.
We are confident in our products focusing on vibration control for railway bogie, track and bridge. 		Our products cover various types of bushings for dampers and links.
Our products cover various types of bushings for dampers and links.
We specialize in the research and application of the new polymer material technology
We specialize in the research and application of the new polymer material technology 		We own the first-class laboratory for railway elastomeric parts in China with various advanced equipment and software.
We own the first-class laboratory for railway elastomeric parts in China with various advanced equipment and software.

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