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我厂在改装机床时,由于电气线路有所变动,急需制作一块新的标牌。委托外单位制作时间太长,满足不了急用的需要。为此,我们参考了晶体管收音机线路印刷板的制作方法,解决了铝质标牌的制造问题。我们的制作方法分以下几步:(1)先将铝板下料,并进行打孔等机加工。(2)铝板表面用氧化铬打光(也可用水砂纸),再用去污粉或双飞粉擦刷,水冲清洁后,烘干铝板。(3)将原稿图形及文字等用复印纸复绘在铝板上,然后用笔或刷子,以漆(各色喷漆或普通漆等均可)再描绘一遍,留出腐蚀的铝面。(4)用碘钨灯或电炉烘热铝板,将配制的三氯化
I plant modification machine, due to changes in electrical wiring, urgent need to create a new sign. Commissioned outside the unit production time is too long, can not meet the urgent needs. To this end, we have made reference to the transistor radio circuit board production methods to solve the manufacture of aluminum signs. Our production methods are divided into the following steps: (1) the first aluminum sheet, and drilling and other machining. (2) Aluminum surface polish with chrome oxide (also available water sandpaper), and then decontamination powder or Shuangfei powder scrub, water rinse, drying aluminum. (3) The original graphics and text, etc. with the copy paper on the aluminum painted on the aluminum, and then with a pen or brush, with paint (varnish or ordinary paint, etc. can) redraw it again, leaving the corrosion of aluminum surface. (4) with a tungsten halogen lamp or electric heating aluminum plate, the preparation of the trichloride