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在加工盲孔螺纹中,以往采用焊接刀挑扣,刀杆刀片利用率不高。现经我们多次探索,设计了定向机夹盲孔螺纹车刀。使用时先拧紧连接杆,再拧紧内六角螺纹,顶住刀片即可挑扣,左、右旋螺纹分别为顺、倒车挑扣,如图所示。盲孔螺纹只需2.5～3毫米退刀槽,左、右旋都是从左向尾架方向挑扣,控制方便。实践测试,适用于小螺距的高速挑扣,也可适用于螺距在刀片许可范围内的中低速挑扣,是实用的机夹螺孔车刀,也属机夹多用车刀,下面就刀具主要方面作一介绍。
In the processing of blind hole thread, the past use of welding knife pick buckle, blade blade utilization is not high. Now that we have repeatedly explored, designed directional machine folder blind hole thread turning knife. Use tighten the connecting rod first, and then tighten the hexagonal thread, withstand the blade to pick buckle, left and right hand thread were cis, reversing the buckle, as shown. Blind hole thread only 2.5 ~ 3 mm backstroke slot, left and right are from the left to the tailstock direction pick buckle, easy to control. Practice testing, suitable for small pitch high-speed buckle buckle, but also for the pitch in the blade permit range of low-speed pick buckle, is a practical machine folder screw hole cutter, also a multi-purpose machine folder knife, below the main tool To make an introduction.