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Digital Piano Rubber Buttons Digital Piano Rubber Buttons
Digital Piano Rubber Buttons Digital Piano Rubber Buttons

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Digital Piano Rubber Buttons

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Rubber buttons on digital piano keyboard contact is also named as rubber button strip, or piano rubber contacts, specially suitable for Yamaha digital piano.
  • Digital Piano Rubber Buttons

  • None

  • 3926901000

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Rubber buttons as a significant part of digital piano, which quality extremely influences piano’s pressing tactile feeling.

At the bottom of rubber buttons, the rubber contacts are the conductive medium between piano and rubber buttons.

When press keys of piano’s keyboard, which rubber contacts touch digital piano’s PCB, digital piano’s electronic speakers will play back high-quality recordings that were previously taken from acoustic pianos.

rubber button 2


What Influences Rubber Buttons’ Quality?

First, the rubber contacts are the most important medium between rubber buttons and piano, good rubber contact brings good conductivity effect and good sensitivity.

For rubber contacts, conductive ink and conductive rubber carbon pills are most commonly used. Therefore, choosing low resistance (lower than 30 Ohms) conductive ink or carbon pills is effective.

Besides low resistance, please pay attention to the shape of conductive ink or carbon pills. 

Conductive sensitivity will lower down if the ink printing is not full or carbon pills is too thin, deform or cover with rubber material.


rubber buttons


rubber button


rubber button 3


Rubber buttons’ quality also affected by silicone rubber material.

Piano rubber buttons require high quality and high tensile silicone rubber material.

Two requirements for rubber buttons’ silicone rubber material: material cannot deform easily; cannot broke easily; should be good tensile.

rubber-button

Rubber buttons’ quality influenced by compression mould quality as well.

High precision mould can make strict dimensions of rubber buttons, such as button webbing, different height of rubber contacts, etc.



rubber button mould 2




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