DIN 1687-4 (1986-08)被替代
Heavy metal alloy raw castings; pressure die castings; general tolerances, machining allowances
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
基本信息
标准编号： DIN 1687-4 (1986-08)
发布时间：1986/8/1 0:00:00
标准类别：Standard
出版单位：German Institute for Standardisation (Deutsches Institut für Normung)
标准页数：5
标准简介
This standard is included in DIN Handbook 455. Specifies permissible deviations and machining allowances for heavy metal alloy raw castings produced by the pressure die casting process. Its specifications are based on the principles established in DIN 1680 Parts 1 and 2 with regard to general tolerances for raw castings, and are to be applied in conjunction with the technical delivery conditions specified in DIN 1690 Part 1.
