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一、前言 我厂从澳大利亚承揽了一批矿山用配件的生产任务,其中颚板和衬板(见图1)的V型槽内表面每侧需要堆焊成直径为8mm、等距排列的9个合金半球。其技术要求是:表面光滑、大小均匀、硬度HRC58。
First, the foreword I plant from Australia contract a number of mining accessories production tasks, including the jaw plate and liner (see Figure 1) on each side of the V-groove required surfacing into a diameter of 8mm, equidistant array of 9 Alloy hemisphere. The technical requirements are: smooth surface, uniform size, hardness HRC58.