文中给出球面铣刀的制造模型，探讨了运用同一机构磨制邻近规格的不同球面铣刀的可行性问题。
A manufacturing model for the ball end cutter is presented, and the feasibility of grinding ball end cutters of different sizes using the same mechanism is discussed.
前刀面与后刀面的刃磨加工是球面铣刀加工工艺中最复杂的加工模型，尤其是球面端刃的前后刀面的加工模型，是研究的热点问题。
A spatial model is established firstly for blade curves based on the research of the ball-end milling cutter for machining the complex curved surface.
通过该模型，分别建立了柱面上、球面上和锥面上球头立铣刀的等导程螺旋线的数学模型。
By using it, the model of equal lead on the cutter can be applied to the cylinder, cone and sphere.
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