As large-scale one-piece porcelain insulator cannot be produced in our country at present, Xi′an Heavy Machinery Research Institute has provided the latest type of blank trimmers for “Xi′an shuangjia High-voltage porcelain Insulator Co.Lit.”successively. The trimmer has been developed from numerical control plus profile modeling, then inside and outside shape process with full numerical control till three-working-position dry process with full numerical control, offering first-class advanced equipment for high-voltage large-scale porcelain insulator blank-making industry in china.%鉴于我国不能生产大型整体瓷套,西安重型机械研究所为“西安双佳高压电瓷电器有限公司”先后提供了从数控加仿形、到内外全数控、直到三工位干法全数控的最新一代修坯机,从而为我国高压大瓷套制坯提供了一流的先进加工设备。
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