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为保证刀具最佳切削性能,圆锥(或笔状)型硬质合金模具立铣刀的螺旋槽,是按等螺旋角设计的,即要求圆锥型面刀刃上各点的螺旋角相等,使刀刃上各点的前角相等。本文从圆锥形立铣刀的等螺旋槽的形成原理、数学模型的建立和加工原理,论述了加工该刀具的等螺旋槽刃磨床的传动原理及实现磨床运动的方法之一——非圆柱齿轮法。并论述了非圆柱齿轮的设计原理,为非圆柱齿轮法加工等螺旋角圆锥型模具立铣刀齿槽刃磨床设计,提供了可靠的理论。
In order to ensure the best cutting tool performance, conical (or pen) type carbide mold end mill spiral groove is designed according to the equal helix angle, which requires conical surface of the knife point on the spiral angle equal to the blade The rake angles on each point are equal. In this paper, from the forming principle of the equal spiral groove of the conical end mill, the establishment of the mathematical model and the principle of machining, the transmission principle of the equio-helical grooved edge grinding machine for machining the tool and the method of realizing the grinding machine motion are discussed. law. The design principle of non-cylindrical gear is discussed, which provides a reliable theory for the design of helical-angle conical die-end milling cutter with non-cylindrical gear.