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镗深孔是机械加工领域中比较复杂的问题。由于工业技术的发展和军工生产的需要,已经广泛地引起人们的重视。深孔是指孔深与孔径的比值很大的孔,本文介绍孔深与孔径之比大于45倍及孔径大于100毫米的孔,诸如人口径火炮的身管(炮筒)、汽车起重机的伸缩臂油缸等应用激光准直镗削的问题。
Boring deep holes is a more complicated problem in the field of machining. Due to the development of industrial technology and the need of military production, people have drawn great attention. Deep hole refers to a hole with a large ratio of hole depth to hole diameter. This paper describes holes with a hole depth to hole ratio of more than 45 and holes with a hole diameter of more than 100 mm, such as the barrel of a caliber artillery (barrel), telescopic Arm cylinder applications such as laser alignment boring problems.