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在生产实际中,常用直线刀刃加工工件,如三种基本蜗杆和园台的成形加工等,需要对直线刀刃作有规律运动所形成的表面方程及其各截面的方程性质进行研究。此外,为改善切削性能,常采用正前角刀具,这样所形成的表面与理论表面,势必产生误差,因此必须研究这类刀具误差。过去对上述问题的研究,都是独立进行的。本文对直线刀刃所形成的成形面方程进行综合研究,导出通式,然后将各种特例代入通式得出一系列方程,使这类问题的研究大大简化,并具有实际意义。
In production practice, the commonly used straight-line cutting edge machining of workpieces, such as the three basic worm and garden forming process, need to make regular movement of the linear blade formed by the surface equation and its cross-section of the equation nature of the study. In addition, in order to improve the cutting performance, often using positive tool, so the resulting surface and the theoretical surface is bound to produce errors, it is necessary to study such tool error. In the past, the research on the above issues was conducted independently. In this paper, a comprehensive study of the forming surface equation formed by a straight-edged blade is derived, the general formula is derived, and then various special cases are substituted into the general formula to obtain a series of equations, which greatly simplifies the research on such problems and has practical significance.