Abstract
Using the non-linear finite element analysis, this paper has discussed the snap-through behavior of the arch shell applied in button or switch design. According to the research results, the design guidelines are provided for product engineers. The snap-through behavior of the arch is affected by many conditions such as working temperature, material type, geometry, and maximum indentation. The JIS SUS 301 EH stainless steel is a good choice to provide the stable performance.
Highlights
Buttons and switches are important components in electronic products such as digital cameras, mobile phones, and audio players
In ANSYS, contact conditions are given on the contact surfaces between the indenter and arch shell
Referring to the past study [9], the click ratios are designed within the range 30% to 60% to obtain good click feeling and performance
Summary
Buttons and switches are important components in electronic products such as digital cameras, mobile phones, and audio players. These components are used to control and transfer the electrical currents or signals. When people’s finger presses on a button or switch such as Fig. 1, they can feel a click or jump motion. The arch and dome are key components of the button and switch
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