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一方型深孔的要求和特点 1、加工前的形状尺寸该零件材料为经过调质处理的30CrNiMoφA,加工前的内孔是直径为φ54的钻孔,光洁度为▽3。工件全长为4150毫米。 2、加工后的要求零件图对型孔的要求如图1所示。
Requirements and characteristics of a square deep hole 1. Shape and size before processing The material of the part is 30CrNiMoφA after quenched and tempered, and the inner hole before machining is a hole with a diameter of φ54. The finish is ▽ 3. Workpiece length of 4150 mm. 2, after processing the requirements of parts drawings of the hole requirements shown in Figure 1.