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为了保证扩孔器的产品质量和规格尺寸，我们对原工艺中扩孔器内孔涂绝缘漆和电镀时扩孔器的横放、转动、加砂、竖放等手工操作进行了改革，收到了良好的效果。其优点有：1．扩孔器内孔不用绝缘清漆涂刷绝缘，而是φ56扩孔器用塑料垫写板φ46、φ36扩孔器用赛珞璐垫写板卷成圆筒，电镀时放在扩孔器内，借塑料垫写板或赛珞璐板的弹力紧贴在扩孔器内孔上起到绝缘的作用。经半年多的使用其绝缘效果比涂漆的好得多。一张垫写板可反复使用100次以上，成本比原来降低很
In order to ensure the product quality and size of the reamer, we have reformed the manual operation of horizontal boring, turning, sanding, and vertical arranging of the boring hole in the original hole reamer and the reamer during plating. To a good result. Its advantages are: 1. The inner hole of the reamer is not insulated with insulation varnish, but the φ56 reamer plastic pad write plate φ46, φ36 reamer pad is used to write the cylinder into the cylinder, and the reamer is placed in the reamer during the plating process. The elasticity of the writing pad or celluloid plate is tightly attached to the inner hole of the reamer to provide insulation. After more than half a year’s use of its insulation effect is much better than painted. A pad writing board can be used more than 100 times, the cost is lower than the original