Piezoelectric stack pump subtle migrate expanding structure experiments explore

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Triangle amplification principle of the amplification mechanism of the flexible hinge when in the horizontal direction to form an x ??displacement, the amplification principle of the vertical triangle is formed

A y displacement, corres ponding to the different angles have different y / x value. The set magnification A, we obtain: A = y / x shows that, when in the horizontal direction x displacement

When there is a small increment, and therefore can be obtained: x = LCOS-LCOS () y = LSIN ()-LSIN can be obtained by the formula: A = y / x = tan (COS-1) sin china solenoid valve

(1-cos) tansin very small due to the amount of displacement of the piezoelectric stack just ten microns, incremental, and therefore the equivalent infinitesimal principle,

Available the: A1tan know triangle zoom magnification with the lever mechanism is independent of the length, only with the size of the relevant. Therefore, in the design triangle

Shaped amplification mechanism, should be made as small as possible pneumatic accessory .

Arc flexible hinge des ign, the amplification mechanism using a 45-gauge steel, WEDM processed in order to analyze this

Species amplification mechanism performance, displacement, stress and natural frequency analysis using finite element analysis software this amplification mechanism. Analysis result table

That the design of the flexible hinge displacement amplification mechanism magnification of 6 times the natural frequency of about 1.7kHz.