TPU as a vibration damper?

20 May.,2024

 

TPU as a vibration damper?

OK, so I asked ChatGPT whether TPU is a suitable material for vibration damping applications, and this is what it says:

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Yes, TPU (Thermoplastic Polyurethane) can be used as an effective vibration damper. TPU is a versatile material known for its excellent damping properties. It has the ability to absorb and dissipate vibrations, reducing their magnitude and impact on surrounding components or structures.

The elastic nature of TPU allows it to absorb and disperse energy, thereby mitigating vibrations and reducing noise transmission. TPU can dampen various types of vibrations, including mechanical vibrations, impacts, and high-frequency oscillations.

The specific properties of TPU, such as its flexibility, resilience, and elasticity, contribute to its effectiveness as a vibration damping material. It can be molded into various shapes, allowing it to be easily applied in different scenarios where vibration damping is required.

TPU is often used in applications that require vibration isolation or damping, such as shock absorbers, bushings, gaskets, mounts, protective covers, and footwear soles. Its ability to provide effective vibration damping makes TPU a preferred choice in industries like automotive, aerospace, electronics, and many others where vibration control is important.

The Application Of Rubber Damper - Xmgoodyou

Currently, Rubber Dampers have wide applications, but they are not fit for all occasion. To select suitable rubber damper, firstly we need to know its property, and choose the one fit for the operation environment. The feature of rubber damper is that its shape and hardness can be designed according to specific demand, and it provides larger damping ratio than spring. Meanwhile, rubber damper has advantage of resisting shear, pull and pressure, also easy for assembly. Rubber damper also has its disadvantage such as relatively high inherent frequency, limited application environment. Normally the operating environment shall be controlled between -30℃ --- -70℃, some environment with chemical corrosion asks for rubber damper with special composition.

                     

So far, the main rubber material suitable for making rubber damper has like nature rubber, CR, NBR (nitrile rubber). However, the current market is inundated with rubber damper made from recycle rubber with hard hand feel, no elastic, and the load-bearing compression ratio appear nonlinearity. This kind of rubber damper normally is rough surface with low damping effect, and easy to age. So be sure to select carefully to avoid buying such kind of rubber damper. 

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The applied range of rubber damper: 1. shock isolation and noise control of high frequency rotating mechanical equipment, such as draught fan, water pump, generating set, air conditioning etc.. 2. Stamping equipment, the impact frequency shall be better to avoid the inherent frequency of rubber damper. This kind of equipment including punching machine, die-cutter, press machine, ect. 3. Result from the function that rubber damper can absorb shock from every direction, it is also widely used in automobile, aviation and navigation industries. 4. Other mechanical equipment.

                       

When purchasing rubber dampers, it shall have a better understanding of the environment that will applied to, so as to select the right rubber material and design suitable formula to ensure the good

shock absorbing

function with long lifetime.

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