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在机器制造业中,螺旋拉刀已被广泛应用。尤其是在飞机制造工厂的铝合金零件的内孔拉削更为广泛。我厂通过对螺旋拉刀大量的试拉和多起零件拉削表面缺陷的排除,认识到螺旋拉刀刀齿的刃带和校准齿的齿升量对零件拉削质量有一定的影响。一、切削齿、校准齿的刃带对拉削质量的影响(以LD5、LD10为例)。 1.当螺旋拉刀切削齿、校准齿的刃带太小或者没有时,拉削不平稳,产生振动而使拉削后的内孔表面形成波浪式的螺旋环状(见图
In the machine manufacturing industry, spiral broach has been widely used. In particular, the aluminum alloy parts of the aircraft manufacturing plant bore broaching more widely. I plant a large number of helical broach and try to pull a number of parts from the broaching surface defects excluded, recognize that the serrated cutter teeth and the calibration tooth tooth lift on the quality of some parts of the broaching have a certain impact. First, the cutting teeth, teeth on the calibration of the quality of the impact of broaching (LD5, LD10, for example). 1. When the spiral broach cutting teeth, the teeth of the calibration tooth is too small or not, the broaching is not stable, resulting in vibration so that the broached bore surface wave-shaped spiral ring (see Figure