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    • 4. 发明申请
    • METHOD FOR MACHINING A WORKPIECE AND A TOOL FOR CARRYING OUT SAID METHOD
    • 用于加工工件和用于实施方法的工具的方法
    • WO2008051114A2
    • 2008-05-02
    • PCT/RU2007000578
    • 2007-10-22
    • FEDERALNOE G UNITARNOE PREDPRKUZNETSOV IGOR IGOREVICH
    • KUZNETSOV IGOR IGOREVICH
    • B23C3/16B23C5/10B23C5/14
    • B23C3/16B23C5/1009B23C5/14B23C2220/48
    • 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.
    • 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>腐蚀,其中R是刀具加工部分的弯曲段的曲率,R> 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。
    • 7. 发明申请
    • METHOD FOR MANUFACTURING OUTLET NOZZLES FOR ROCKET ENGINES
    • 用于制造用于发动机的出口喷嘴的方法
    • WO02055861A1
    • 2002-07-18
    • PCT/SE2002/000024
    • 2002-01-09
    • B23C3/16F02K1/00F02K9/64F02K9/97
    • F02K9/64F02K9/97F05D2230/20F05D2250/19F05D2250/292F05D2250/71F05D2260/20Y10T29/49346Y10T29/49826Y10T29/49995
    • A method for manufacturing an outlet nozzle (10) for use in a liquid fuel rocket engine. The nozzle forms a body of revolution having an axis of revolution and a cross section that varies in diameter along said axis. The nozzle has a wall structure comprising a plurality of mutually adjacent cooling channels extending substantially in parallel from the inlet end (12) of the nozzle to its outlet end (13). The method of manufacturing comprises the step of providing a plurality of preprocessed profile members, each having a web and flanges in opposite directions from said web. Each profile member is machined to present a longitudinally gradually tapering width. The member is curved to conform with the wall section of the nozzle, and members are joined by welding the flanges to form a bell-shaped nozzle structure with cooling channels (1) formed by adjacent webs and adjacent pairs of flanges.
    • 一种制造用于液体燃料火箭发动机的出口喷嘴(10)的方法。 喷嘴形成具有沿所述轴线的直径变化的旋转轴线和截面的旋转体。 喷嘴具有包括多个相互相邻的冷却通道的壁结构,冷却通道从喷嘴的入口端(12)基本上平行延伸到其出口端(13)。 制造方法包括提供多个预处理轮廓构件的步骤,每个预成形轮廓构件具有腹板和与所述腹板相反方向的凸缘。 每个轮廓构件被加工以呈现纵向逐渐变窄的宽度。 该构件被弯曲以符合喷嘴的壁部分,并且通过焊接凸缘来连接构件以形成钟形喷嘴结构,其具有由相邻的腹板和相邻的凸缘形成的冷却通道(1)。
    • 8. 发明申请
    • APPARATUS AND METHOD FOR GENERATING ULTIMATE SURFACES ON OPHTHALMIC LENSES
    • 用于在眼镜上产生最终表面的装置和方法
    • WO00050201A1
    • 2000-08-31
    • PCT/CA1999/000168
    • 1999-02-25
    • G02C7/02B23C3/16B23Q1/48B24B13/00B24B13/06G05B19/25
    • B23Q1/4852B24B13/06G05B19/25
    • The apparatus comprises a base having orthogonal horizontal longitudinal axis, horizontal transversal axis and vertical axis, and a tool spindle having a motor and a lens surfacing tool mounted on a rotatable arbour of the motor. The apparatus also comprises a lens holder having a chuck for retaining an ophthalmic lens with a perimeter thereof defining a plane being substantially perpendicular to the longitudinal axis. A first linear slide is affixed to the base and has a first movable support and a first actuator for moving the first movable support along the longitudinal axis. A second linear slide is also affixed to the base and has a second movable support supporting the lens holder and a second actuator for moving the second movable support and the lens holder along the transversal axis. A rotary table is affixed to the first movable support and supports the tool spindle. The rotary table has a third actuator for rotating the rotary table about the vertical axis. A computer is provided for simultaneously controlling displacements of the first, second and third actuators, whereby the first, second and third actuators are operable in a compound mode for enhancing the precision of the movements of the lens surfacing tool in a direction normal to the ophthalmic lens.
    • 该装置包括具有正交水平纵向轴线,水平横轴和垂直轴线的基座和具有安装在电动机的可旋转心轴上的电动机和透镜表面工具的工具主轴。 该装置还包括具有卡盘的镜头保持器,该卡盘用于保持眼镜片,其周边限定出基本上垂直于纵向轴线的平面。 第一直线滑块固定到基座上并具有第一可移动支撑件和用于沿着纵向轴线移动第一可移动支撑件的第一致动器。 第二线性滑块也固定到基座上,并具有支撑透镜架的第二可移动支撑件和用于沿着横向轴线移动第二活动支架和透镜座的第二致动器。 旋转工作台固定在第一可移动支架上并支撑工具主轴。 旋转工作台具有用于围绕垂直轴旋转旋转台的第三致动器。 提供了一种用于同时控制第一,第二和第三致动器的位移的计算机,由此第一,第二和第三致动器可以以复合模式操作,以提高透镜表面工具在垂直于眼睛的方向上的运动的精度 镜片。