Category Archives: friction hinges

Dampers for Aerospace

We find that aerospace applications are the largest users of rotary viscous dampers and friction hinges. Overall our core focus is creating the most damping per unit volume that is possible. Precision damping in a slimline package is our expertise … Continue reading

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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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Rotary Viscous Dampers and Material Considerations

We find that during our product design process that customer requirements have us design with certain specific materials. General requirements for our specific brand of damper usually needs materials with low coefficient of thermal expansion. For most environments engineering materials … Continue reading

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Rotary Viscous Damper Temperature

Most applications requiring a rotary viscous damper must consider the temperature consequences. As the ambient temperature rises the damping fluid’s viscosity lowers and vice-versa when it gets cold. In applications that work in a range of temperatures we may take … Continue reading

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Rotary Viscous Damper with a One-Way Clutch

One on the popular techniques for controlling damping direction in our Rotary Viscous Damper is using a one way wrap spring clutch. This mechanism has 4 major advantages : zero back-lash, slimline, low cost and high strength. We implement a … Continue reading

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Quality Assurance in Manufacturing

In our facility we have full capabilities to turn your prototype of a rotary viscous damper or friction hinge into a final product. It is engineered manufactured, tested and packaged for immediate shipment to you. The full process from prototype … Continue reading

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Rapid, Functional Prototypes for Friction Hinges and Rotary VIscous Dampers

I have been talking quite a bit about 3d printing and engineering prototypes.  We have been working on streamlining the process from concept to functional prototypes for a while now and new prototypes are rapidly coming to fruition. As most engineers know … Continue reading

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Damping hinges and Aerospace Industry

We currently provide damping hinges, specifically rotary viscous dampers for in cabin use in the Aerospace industry. The reason we are successful in this area is that our proprietary design is highly resistant to vibrations. This means no noise during … Continue reading

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Friction hinge or rotary viscous damper in machine safety

I was working on a heavy duty piece of rotary equipment recently and realized it could benefit from a friction hinge or a rotary viscous damper. The safety guards for this machine are 1″ thick aluminum and swing like a … Continue reading

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More 3D Printing Friction Hinges and Rotary Viscous Dampers

I have been exploring more avenues in 3D printing.  Currently I have built a Prusa i3 3D printer to fabricate dampers and friction hinges. I choose this type of printer because it allows more parts to be built per square … Continue reading

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