Application engineering

Rotary Damper for Appliance Lids

Engineering guidance for matching rotary dampers to washing-machine and appliance lids.

Rotary Damper for Appliance Lids

Selection logic

Match the component to the real movement.

Appliance lids can use the same gravity-torque principle, but seals, springs, hinges, friction and opening geometry can substantially change real movement. Start with the real application data, then confirm the final model on the actual assembly.

Best starting data: weight + dimensions + pivot + target movement

The final damper or hinge selection should also consider movement speed, friction, springs, installation space, rotation direction and the number of damping elements.

1. Weight

Measure the moving lid, cover or seat component including attached parts.

2. Center of gravity

Measure the pivot-to-CG distance. If the exact center of gravity is unknown during development, share the overall geometry and an approximate pivot position; the engineering review can refine it later.

3. Movement target

Define opening angle, desired closing time or free-stop behavior.

4. Final testing

Validate the selected or customized torque on the actual mechanism.

Application support

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Send a model number, a drawing or the movement you want to achieve.

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