Category Archives: #aerospace

Rotary Viscous Dampers Made in The USA

Made in the USA. We have all heard it and here at Mechanical Motion Technologies LLC we live it.  Having our production parts and prototypes molded, machined and assembled in the US gives us many advantages, quick access to vendors … Continue reading

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Aerospace Applications-Rotary Viscous Dampers

Aerospace applications dominate our product line because our dampers and friction hinges are passive devices that need no maintenance and are very light in weight and slimline. The airplane manufacturers enjoy the fact that our dampers do not vibrate during … Continue reading

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Rotary viscous dampers and their proper application

When looking over the requirements of a new project designers must balance the price of the product and features that are implemented.  Rigorous requirements sometimes yield higher cost materials. Environmental concerns will also guide the feasibility of using a viscous … Continue reading

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Custom Friction Hinges

We are having great success with our new line of lightweight friction hinges. Using engineering polymers and FEA analysis we have created a new generation of customizable friction hinges and rotary viscous dampers. Many applications have crossed our path such as … Continue reading

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Rotary Viscous Dampers and Automotive

Automotive is a great industry where rotary viscous dampers  could be used. Although their application must be carefully planned. All dampers that use viscous fluid are affected by temperature by some degree, usually at the extremes it is most noticeable. … Continue reading

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Linear Motion and Rotary Viscous Damping

Our rotary viscous dampers can provide damping for linear movement also. For example a cylinder needs to stop smoothly without jerking or banging, we can add a pivot arm to accept linear motion to rotate the damper. One way clutches … Continue reading

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MMT Friction Hinge Advantages

friction hinge I would like to highlight some advantages of our friction hinge design. The materials we choose have been picked because of their specific mechanical characteristics when interacting with other materials. The difference between the peak static torque and … Continue reading

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Rotary Viscous Damper: Marine Application

We have made a few designs for use in marine applications. The materials we use are impervious to saltwater and debris. The damping grease used is sealed internally and won’t lose functionality with immersion in water or in splashing situations. … Continue reading

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Engineered, Designed and Manufactured in the USA

We have and always will be a US only company. It may be difficult to believe but it’s true and we intend to stay that way. Going to China is an un-necessary evil which will only create major problems in … Continue reading

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What are the Differences in Friction Hinges?

In a very basic sense a friction hinge is a mechanism which uses friction to impede rotation or movement of an object. This does not necessarily apply to pivoting about an axis alone, you can have a friction hinge that … Continue reading

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