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★如图1所示为一胶塞模,45钢,型腔数为16×16=256个。①如何保证φ6mm孔和φ5mm孔的孔径统一?②模板与圆柱销选用何种材料合适?③装配过盈以多少为佳,才能避免咬死现象?④如何在
★ shown in Figure 1 as a rubber stopper mold, 45 steel, the number of cavities is 16 × 16 = 256. ① how to ensure that the φ6mm hole and φ5mm hole uniform aperture? Template and cylindrical pin selection of what kind of material is appropriate? ③ assembly interference is better to avoid biting death? ④ how to