金属涂镀的原理见下图。涂镀时,专用直流电源的负极接到工件上,正极与涂镀笔相连接,涂镀笔上的石墨极包裹着棉套,醮上快速沉积金属溶液,与工件接触並相对运动。溶液中的金属离子在电场作用下沉积在工件上。随着时间的延长,沉积层逐渐增厚,达到修复的要求。 The principle of metal coating see below. When coating, the negative electrode of the special DC power source is connected to the workpiece. The positive electrode is connected with the coating pen. The graphite coating on the coating pen extremely wraps the cotton sheath. The metal solution is rapidly deposited on the coating and contacts and moves relative to the workpiece. Metal ions in the solution deposited on the workpiece under the action of an electric field. With the extension of time, the sedimentary layer gradually thickening, to meet the repair requirements.