公开(公告)号：WO2008051114A2

公开(公告)日：2008-05-02

申请号：PCT/RU2007000578

申请日：2007-10-22

Applicant: FEDERALNOE G UNITARNOE PREDPR ,  KUZNETSOV IGOR IGOREVICH

Inventor： KUZNETSOV IGOR IGOREVICH

IPC: B23C3/16 ,  B23C5/10 ,  B23C5/14

CPC classification number: B23C3/16 ,  B23C5/1009 ,  B23C5/14 ,  B23C2220/48

Abstract: The invention relates to mechanical engineering, in particular to tools and a method for machining workpieces which have curved diffucult-to-reach surface areas. The inventive method consists in machining with the aid of cylindrical or conical end milling cutters, at least one part of the working surface of which is curved. Machining is carried out by the area of the curved surface, the parameters of which are selected according to the surface or a machined workpiece in such a way that the condition ?i=?max is fulfilled, wherein ?i is the actual deviation angle between the tool axis and a tangent plane to the machined surface of the work piece at a tangent point between the cutter and said machined surface of the workpiece and ?max is the maximum deviation angle between the tool axis and a tangent plane to the curved surface of the cutter working part. Apart from the above-mentioned condition, the used tool is characterised in that R>R rot , wherein R is the curvature of the curved segment of the cutter working part, and R rot is the maximum radius of rotation of the cutter working part. Said invention makes it possible to reduce the value of surface roughness and/or to increase the process efficiency.

Abstract translation: 本发明涉及机械工程，特别涉及用于加工具有弯曲的难以达到的表面区域的工件的工具和方法。 本发明的方法包括借助于圆柱形或圆锥形端铣刀的加工，其工作表面的至少一部分是弯曲的。 通过曲面的区域进行加工，根据表面或加工的工件选择其参数，使得满足条件θi=λmax的方式，其中θi是 刀具轴线和工件轴线与刀具加工表面之间的切点处于工件加工表面的切平面与θmax之间的最大偏差角是刀具轴线与曲面的切线面之间的最大偏差角 刀具工作部分。 除了上述条件之外，所使用的工具的特征在于R> R＆gt;腐蚀，其中R是刀具加工部分的弯曲段的曲率，R＆gt; SUB>是刀具工作部件的最大旋转半径。 所述发明使得可以降低表面粗糙度的值和/或提高工艺效率。