焊前清理 的英文怎麼說

中文拼音 [hànqiánqīng]
焊前清理 英文
preweld cleaning
  • : 動詞(用熔化的金屬修補金屬器物或使金屬工件連接起來) weld; solder
  • : Ⅰ名詞1 (在正面的) front 2 (次序在先的) first; top 3 (過去的; 較早的) ago; before; preceding...
  • : Ⅰ形容詞1 (純凈) unmixed; clear 2 (寂靜) quiet 3 (清楚) distinct; clarified 4 (一點不留) w...
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • 清理 : put in order; clean; disentangle; check up; clear; sort out; liquidate
  1. A mini - sized sand - blasting gun of ejection - and absorption type, used to clean and roughen the metallic surfaces for thermal spraying

    一種小型的射吸式噴砂槍,可用作噴塗噴的表面潔毛化處
  2. But there are some technical difficults for the welding of aluminium alloy such as some broken bits being easily found, a large welding distortion can happen easily, hard to distinguish the difference between the solid metal and liquid metal colour, hard to control the temperature, a lot of air holes can be seen in the welding line and so on

    但是鋁合金熔化時的技術難點在於:接時易引起夾渣,接變形大,金屬的固態和液態的色澤不容易區別,接操作時控制溫度困難,容易產生氣孔等等。如果焊前清理工作不是很好,檢測氣孔往往超標。
  3. At last, an experiential power supply was made, and a series of experiments is done. a lot of high - frequency pulse current was superposed on dcen current, modulated the welding current waveform we required and optimized the energy distribution, which satisfied the basic requirement of cathode cleaning

    最後製作了一臺實驗電源,並進行了一系列的電弧實驗,通過在變極性電源電流dcen基礎上疊加一系列脈沖電流,調制出所需電流波形,實現輸出能量的最優分配,在滿足陰極提下,最大限度地提高接效率。
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