中創告訴您彈簧電子萬能試驗機系統主要由三個部分構成：運動模塊、測量模塊和控制模塊。
Kesheng tell you spring electronic universal testing machine mainly consists of three parts: themotion module, measuring module and control module.
彈簧電子萬能試驗機的運動模塊主要由步進電機、聯軸器、絲杠螺母以及橫梁夾具等組成。其工作原理如下：步進電機通過聯軸器帶動滾珠絲杠轉動，由絲杠螺母傳動驅動橫梁作直線運動，并利用夾具實現對試件的拉伸壓縮。其中電機采用直聯的方式，省略了減速箱部分，這樣在保證輸出力矩和步距精度的前提下，減小了齒隙、空回所帶來的影響。絲杠螺母傳動選用滾珠絲杠螺母副，提高了傳動效率，減小了因摩擦造成的位置精度的誤差。
The motion module spring electronic universal testing machine is mainly composed of a stepping motor, coupling, screw nut and beam clamp. It works as follows: step motor drives the ball screwto rotate through shaft coupling, beam driven linear motion of the screw nut drive, and the clamp of compression of the tensile specimen. The motor adopts a direct way, omitting the gearboxparts, so in order to ensure the output torque and the step accuracy, reduces the effect ofbacklash, backlash caused by. Screw nut drive the ball screw pair, improve transmissionefficiency, reduce the error of position accuracy because of the friction caused by the.
彈簧電子萬能試驗機測量模塊主要由位移傳感器、稱重傳感器、引伸計、放大器以及AD采集卡等構成。步進電機多用于開環控制，但為了提高試驗機的精度，研究中；利用位移傳感器對其進行位置閉環控制，用來對開環控制定位誤差進行有效的校正與補償。稱重傳感器和引伸計分別將拉伸過程中的作用力和變形量轉變為微弱的電壓信號，經過放大器放大后，通過AD采集卡傳遞給上位機，上位機進行實時數據處理。
Spring electronic universal testing machine measuring module mainly consists of a displacement sensor, weighing sensor, extensometer, amplifier and AD data acquisition card. Stepper motor is used for the open loop control, but in order to improve the accuracy of test machine, study;position closed-loop control on the use of displacement sensor, used to open loop controlpositioning error correction and compensation effectively. Weighing sensor and extensometerrespectively will force during stretching and deformation into voltage signal, through theamplifier, card is passed to the host computer through the AD collection, the host computer forreal-time data processing.
彈簧電子萬能試驗機控制模塊主要由上位PC機、電機控制卡和細分驅動器等組成。上位機將采集的數據進行處理后，給電機控制卡發送位置、速度和加速就指令；電機控制卡按照接收到的指令，產生相應的脈沖信號；細分驅動器依據產生的脈沖信號，使步進電機實現平穩運轉。
Spring electronic universal testing machine is mainly composed of a PC host computer control module, motor control card and subdivision drive. Computer processing the collected data, to the motor control card sends the position, velocity and acceleration on the directive; motor control card according to the received command, generates a pulse signal corresponding;subdivision driver according to produce pulse signal, the stepper motor to achieve smooth operation.
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