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[单选题]
当加工内孔直径Ф38.5mm,实测为Ф38.60mm,则在该刀具磨耗补偿对应位置输入()值进行修调至尺寸要求。
A.-0.2mm
B.0.2mm
C.-0.3mm
D.-0.1mm
查看答案
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A.-0.2mm
B.0.2mm
C.-0.3mm
D.-0.1mm
高强度螺栓应自由穿入螺栓孔内,当板层发生错孔时,允许用铰刀扩孔。扩孔时,铁屑不得掉入板层间。扩孔数量不得超过一个接头螺栓的(),扩孔后的孔径不应大于1.2d(d为螺栓直径)。严禁使用气割进行高强度螺栓孔的扩孔。
A.1/2
B.1/3
C.1/4
D.1/5
A.0.10mm
B.0.11mm
C.0.12mm
D.0.13mm
A.0.10mm
B.0.11mm
C.0.12mm
D.0.13mm
A.0.10mm
B.0.11mm
C.0.12mm
D.0.13mm
A.0.10mm
B.0.11mm
C.0.12mm
D.0.13mm