傳統(tǒng)的機(jī)械技術(shù)和現(xiàn)代電子技術(shù)的結(jié)合產(chǎn)生了萬能試驗(yàn)機(jī)，萬能試驗(yàn)機(jī)可對(duì)各種材料進(jìn)行拉伸、壓縮、彎曲等多項(xiàng)力學(xué)性能試驗(yàn)，萬能試驗(yàn)機(jī)有測(cè)量范圍寬、精度高、響應(yīng)快等特點(diǎn)。工作可靠，效率高，可對(duì)試驗(yàn)數(shù)據(jù)進(jìn)行實(shí)時(shí)顯示記錄、打印。

Combined with the traditional mechanical technology and modern electronic technology produced the universal testing machine, universal testing machine can be of various materials tensile, compression,bending and a number of mechanical property test, the universal testing machine has wide measurement range, high precision, fast response characteristics. Reliable operation, high efficiency, but the test data aredisplayed in real time recording and printing.

電子萬能試驗(yàn)機(jī)的力值測(cè)量

Electronic universal testing machine force measurement

1.力值測(cè)量

The 1 force measurement

經(jīng)過測(cè)力傳感器、放大器和數(shù)據(jù)處置系統(tǒng)來完成測(cè)量。常用的測(cè)力傳感器是應(yīng)變片式傳感器，當(dāng)外力作用在傳感器上時(shí)，惹起傳感器輸出電壓的變化，而傳感器輸出的電壓經(jīng)過放大器和數(shù)據(jù)處置系統(tǒng)。將電信號(hào)轉(zhuǎn)化成數(shù)值，即所施加力的大小

The force measuring sensor, amplifier and data processing system to complete the measurement. The force sensor is the most commonly used strain gauge sensor, when the external force on the sensor,arising from changes in the output voltage of the sensor, and the sensor output voltage through the amplifier and data processingsystem. The electrical signal is converted into numerical, i.e. the appliedforce

2.變形的測(cè)量

2 deformation measurement

經(jīng)過變形測(cè)量安裝來測(cè)量，它是用來測(cè)量試樣在實(shí)驗(yàn)過程中產(chǎn)生的形變。

To measure the deformation measurement setup, it is used for measuring the specimen deformation generated during the experiment.

該安裝上有兩個(gè)夾頭，經(jīng)過一系列傳動(dòng)機(jī)構(gòu)與裝在測(cè)量安裝頂部的光電編碼器連在一同，當(dāng)兩夾頭間的間隔發(fā)作變化時(shí)，帶動(dòng)光電編碼器的軸旋轉(zhuǎn)，光電編碼器就會(huì)有脈沖信號(hào)輸出。再由單片機(jī)對(duì)此信號(hào)停止處置，就能夠得出試樣的變形量。

There are two chuck the installation, after a series of drive mechanismand arranged on the photoelectrical encoder mounted on top of theconnected together, when the two chuck intervals vary, the axial rotation of the photoelectric encoder, photoelectric encoder can output the pulse signal. Then the MCU to signal processing, deformation can be calculated sample.

3.橫粱位移的測(cè)量

3 the beam displacement measurement

其原理同變形測(cè)量大致相同，都是經(jīng)過測(cè)量光電編碼器的輸出脈沖數(shù)來取得橫梁的位移量。

The principle is the same as the deformation measurement of roughly the same, is through the measurement of photoelectric encoder outputpulse number to obtain displacement of beam.

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