琉璃

　　小型超聲波清洗機特點噴洗機 　　1、超聲波工作時間1-20分鍾任意可調。
 

1。逆變電焊機原理--簡介CO2焊機
　　逆變電焊機主要是逆變器産生的逆變式弧焊電源，又稱弧焊逆變器，是一種新型的焊接電源，它是將工頻(50Hz)交流電，先氬焊機經整流器整流和濾波變成直流，再通過電離子焊接機大功率開關電子元件(晶閘管SCR、晶體管GTR、場效應管MOSFET或IGBT)，逆變成幾kHz~幾十kHz的中頻交流電，同時經變壓器降至適合于焊接的幾十V電壓，再次整流並經電抗濾波輸出相當平焊接護具穩的直流焊接電流。

 
産品使用注意事項：不鏽鋼與碳鋼具盲孔螺母有本質差別，不鏽鋼具有較好的延展性，使用不當則導致螺絲與螺帽配合後無法旋開。即俗稱的“鎖死”或“咬死”。改善鎖死主要可以從以下幾個方面考慮：
 

決定電子地磅的價格主電子磅秤要有兩方面：一是電子地磅的噸位，噸位越大價格越貴；還有就是電子地磅的長度，長度越長價格也越高。所以選擇合適的電子地磅的才是最經濟的。


電子地磅的選購指南：

 
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