Home > Noise and vibration solutions for HVAC from AMC-Mecanocaucho

Noise and vibration solutions for HVAC from AMC-Mecanocaucho

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article image VSR + Sylomer mounts: The varying maximum load capacities of the mounts are identified by different colours
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AMC-Mecanocaucho is a specialist manufacturer and designer of anti vibration mountings for the reduction of vibrations in multiple applications. A pioneer in this product segment, AMC-Mecanocaucho has been meeting the vibration isolation needs of the market since 1969.

AMC-Mecanocaucho offers a broad range of anti vibration mounts specifically designed for HVAC equipment isolation. These supports are manufactured using rubber, springs or a microcellular polyurethane material specially created for vibration isolation called Sylomer.

Process

All machines, by virtue of their design have reciprocating or rotating parts, creating vibration to some degree through the imbalance of the moving parts. This vibration can impact the machine’s performance and lifespan through part wear; additionally, the transmission of this vibration to other non-insulated adjacent structures also creates problems.

AMC-Mecanocaucho offers different types of anti-vibration mounts that can address these problems. Each anti-vibration mount solution is recommended to the client by the company after considering key machine data including weight, mount positions, type of machine, centre of gravity, and frequency of excitation.

AMC-Mecanocaucho’s proposed solutions are based on various types of anti-vibration mounts including AMC BRB, AMC BSB and AMC DRD mounts (rubber-metal solution), AMC Vibrabsorber mounts (spring mounts solution), and Sylomer and FZ + Sylomer mounts.

Quality control

AMC-Mecanocaucho is an ISO 9001 certified company by DET NORSKE VERITAS DNV. The company is also officially approved by NATO as a NCAGE 0230B-compliant supplier.

The quality control process also includes the use of rheometrical instruments as well as extensometers, dynamometers and durometers to analyse rubber curing properties. Elastical properties are measured using several axial and radial dynamometers as well as with a servo-hydraulic dynamic test bench from Instron-Schenck.

Fatigue and endurance tests

AMC-Mecanocaucho has certificates from external laboratories that have tested gearbox mountings to assess the alteration of stiffness properties during a representative lifecycle of a wind turbine. Instron-Schenck servo-hydraulic dynamic test benches are also used to measure stiffness variation for generator mountings during a representative lifecycle of a wind turbine.

Traceability

AMC-Mecanocaucho offers traceability of the finished goods for customers with rheometrical tests linked to each batch of production, which allows the vulcanisation properties of the rubber mix used to be verified.

Foundry castings can incorporate the date of manufacturing and finished goods can incorporate a serial number, allowing AMC-Mecanocaucho to check stiffness values of the mounts as well as other complementary information.

AMC engineering services

AMC-Mecanocaucho determines the appropriate anti-vibration solutions for each application by considering machine data such as weight, mount positions, type of machine, centre of gravity, and frequency of excitation among other parameters.

After studying the specific needs for the client’s application and the isolation performance required, AMC-Mecanocaucho can even customise a new design if standard products are not suitable.

Customers can benefit from AMC-Mecanocaucho’s proven expertise in measuring noise and vibration to create optimum solutions to specific problems, helping them reduce machine-produced emissions of noise and vibrations.

AMC-Mecanocaucho’s range of products for HVAC equipment:

BRB, BSB and DRD mounts

These mounts work the rubber in shear and compression. Thanks to their tall height section that produces large deflections, AMC-Mecanocaucho’s BRB, BSB and DRD mounts achieve low natural frequencies and excellent vibration isolation values.

FZ + Sylomer mounts

AMC-Mecanocaucho FZ mounts comprise of two metal parts surrounded by the Sylomer polyurethane compound that offers a high isolation capacity with a small static deformation in all medium-high frequency range. An interlocking metal component in the mount provides failsafe protection. The Sylomer polyurethane compound is oil-resistant and the operating temperature range of the FZ mounts is -30°C to +70°C.

Vibrabsorber + Sylomer mounts

These mounts are capable of isolating vibrations of very low frequencies.

VSR + Sylomer mounts

Available in a natural frequency of 2-5 Hz, these mounts are manufactured using steel springs that can provide very high deflections up to 50mm. The base plate is glued to a 12.5mm Sylomer pad to avoid sliding and improve the isolation of the element, mainly at mid-high vibration frequencies that could be transmitted by the spring coil. The still spring coating provides excellent properties. The varying maximum load capacities of the mounts are identified by different colours.

Applications

Recommended for applications requiring high isolation, the steel spring combined with the Sylomer pad provides excellent isolation for low, medium and high frequencies. These mounts are particularly ideal for rotating machinery in buildings including air-conditioning systems, fans, ventilators, compressors, pumps and generating sets.

Anti-seismic spring mounts

These spring mounts incorporate an anti-seismic device to protect the spring from earthquakes.

Vibrabsorber + Sylomer:

Hangers solutions

These spring type mounts are suitable for ducts and air conditioning units set into ceilings, and share the characteristics of the Vibrabsorber spring range mounts. The range includes SRB and SRS types in a natural frequency of 3-5 Hz; VT type in a natural frequency of 5-11 Hz; and Akustic + Sylomer in a natural frequency of 10-13.6 Hz.

Levelling anti-vibration mounts:

TSR + Sylomer

These mounts add the benefits of Sylomer material to the typical levelling mount. Trapezoidal support kits are also available for levelling anti-vibration mounts.

Simple mounts for air conditioning internal components:

Mecanocaucho bobbins

The AMC-Mecanocaucho bobbins are particularly suitable for installation on small motor pumps, motor ventilators, driers, sieves, compactors, washing machines, electrical motors, onboard control panels, measuring apparatuses, control cabinets, microphones and fluorescent tubes among others.

AMC Snubbers for seismic applications

These mounts are designed for use in locations subject to earthquakes or other external forces that are likely to displace equipment. The two models, AMC Snubber + CB and AMC Snubber + Sylomer are designed to limit lateral and vertical machine movements.

FZH + Sylomer mounts

By installing elastical mounts embedded in the concrete floating floor, the facility can avoid structure borne noise. AMC-Mecanocaucho FZH type mounts incorporate a polyurethane elastomer called Sylomer, which offers optimal elastic and mechanical properties for the application.

The AMC-Mecanocaucho FZH type mounts can be manufactured using different densities of Sylomer to match the natural frequency required on the specific application.

AMC-Mecanocaucho is represented in Australia by Vibration Solutions .

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