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點膠機的膠量忽大忽小是什么原因?

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跟著科技的成長,工業自動化出產越來越普及,點膠機在工業自動化出產中扮演者重要的腳色,點膠機固然在工業出產中給我們帶來了很大的便當,可是點膠機在點膠的過程中難免會經常呈現一些小問題。那么點膠機的膠量忽大忽小是什么原因?下面一起聽一聽技術人員是如何分析的吧?
  With the development of science and technology, industrial automation production is becoming more and more popular, dispensing machine plays an important role in industrial automation production. Although dispensing machine brings us great convenience in industrial production, dispensing machine will inevitably present some minor problems in the process of dispensing. So what's the reason why the glue volume of dispenser is too big or too small? Now let's listen to how the technicians of Aosong Automation analyze it.
  氣動式點膠機節制電磁閥的開啟/封鎖可以調節點膠時間的長短,借助減壓閥可以調節儲氣罐中的壓力巨細,點膠時間長短和儲氣罐中壓力的巨細會直接影響膠滴的體積與形狀。
  Pneumatic dispensing machine can control the opening/blockade of solenoid valve to adjust the dispensing time. With the help of pressure reducing valve, the pressure in the gas tank can be adjusted. The length of dispensing time and the pressure in the gas tank will directly affect the volume and shape of the rubber droplets.
濟南雙組份打膠機
  經由過程選用內徑合適的點膠機針頭(小內徑為60 um),并節制氣壓和電磁閥的接通時間,采用時間—壓力型點膠機能獲得相當一致的微膠滴體積和形狀。
  By choosing the needle of dispensing machine with suitable inner diameter (small inner diameter is 60 um), and controlling the connecting time of air pressure and solenoid valve, a time-pressure dispensing machine is used to obtain a fairly uniform volume and shape of the microdroplets.
  在氣動式點膠過程中,開始時點膠機針筒內裝滿膠液,跟著點膠過程的不竭進行,針筒內的膠液體積逐漸減少,氣體體積不竭增加,在同樣的點膠時間和壓力下,點膠機點出的膠體量會逐漸減少。所以,針筒內的膠量和空氣體積為時變參數,點膠過程是一時變大都動態系統,系統動態特性隨時間變化而變化。此外,空氣又有可壓縮性,因此點膠機點膠量的精度和一致性難以節制。
  In the process of pneumatic dispensing, the needle barrel of dispensing machine is filled with glue at the beginning. Following the continuous dispensing process, the volume of glue in the needle barrel decreases gradually and the volume of gas increases continuously. Under the same dispensing time and pressure, the amount of glue produced by dispensing machine decreases gradually. Therefore, the rubber volume and air volume in the syringe are time-varying parameters. The dispensing process is a time-varying dynamic system, and the dynamic characteristics of the system change with time. In addition, the air is compressible, so the accuracy and consistency of dispensing quantity of dispensing machine is difficult to control.

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