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    Milling insert, a tool and a device for milling
    1.
    发明授权
    Milling insert, a tool and a device for milling 有权
    铣削刀片，刀具和铣削设备

    公开(公告)号：US08596934B2

    公开(公告)日：2013-12-03

    申请号：US13212367

    申请日：2011-08-18

    申请人： Ralf Lehto ,  Rickard Sundström ,  Johan Bergquist

    发明人： Ralf Lehto ,  Rickard Sundström ,  Johan Bergquist

    IPC分类号： B23C5/20

    CPC分类号： B23C5/1036 ,  B23C5/1009

    摘要： Milling insert and tool for center cutting milling of material. At least one first cutting edge is terminated in or adjacent to a center axis defined by the milling insert and includes a first cutting edge portion having a first radius that is essentially equally great for each point of the first cutting edge portion. The first cutting edge includes at least one second cutting edge portion that is plane or has at least one second radius for each point of the respective second cutting edge portion, the at least one second radius being greater than the first radius and that is situated between the first cutting edge portion and the center axis. One second cutting edge portion adjoins the first cutting edge portion, and one second cutting edge portion is terminated in or adjacent to the center axis.

    摘要翻译： 用于中心切削铣削刀具的铣削刀片和刀具。 至少一个第一切削刃终止于由铣削刀片限定的中心轴线或邻近铣削刀片限定的中心轴线，并且包括第一切削刃部分，该第一切削刃部分具有对于第一切削刃部分的每个点基本相等的第一半径。 第一切削刃包括至少一个第二切削刃部分，该第二切削刃部分是相应的第二切削刃部分的每个点的平面或具有至少一个第二半径，所述至少一个第二半径大于第一半径，并且位于 第一切削刃部分和中心轴线。 一个第二切割边缘部分邻接第一切割边缘部分，并且一个第二切割边缘部分终止于或邻近中心轴线。

    Tool for chip removing machining as well as a part and threaded joint therefor
    2.
    发明申请
    Tool for chip removing machining as well as a part and threaded joint therefor 有权
    用于切屑加工的工具以及用于其的部件和螺纹接头

    公开(公告)号：US20100014928A1

    公开(公告)日：2010-01-21

    申请号：US12585522

    申请日：2009-09-17

    申请人： Isak KAKAI ,  Ralf LEHTO ,  Kenneth LARSSON ,  Magnus ÖRTLUND

    发明人： Isak KAKAI ,  Ralf LEHTO ,  Kenneth LARSSON ,  Magnus ÖRTLUND

    IPC分类号： B23C5/02 ,  B23C5/20

    CPC分类号： B23B31/1107 ,  B23B31/1115 ,  B23B51/00 ,  B23B2231/0204 ,  B23B2251/02 ,  B23C5/10 ,  B23C2210/02 ,  B23C2240/32 ,  Y10T279/16 ,  Y10T407/1908 ,  Y10T407/1924 ,  Y10T407/1948 ,  Y10T408/907 ,  Y10T408/90993 ,  Y10T408/95

    摘要： A cutting tool, and a loose top therefore, includes two parts detachably connected to each other via a threaded joint in which co-operating male and female threads are included in the form of helicoidal ridges. The profile shape of each helicoidal ridge is defined by a top and two flanks, which delimit a helicoidal groove having a bottom. The first flank is inclined in relation to a center axis of the tool at a first angle that is smaller than a second angle of the second flank in relation to the center axis. Accordingly, the thread ridge is reinforced in comparison with thread ridges having a symmetrical profile shape, whereby larger tensile forces than compressive forces can be applied to the threaded joint while avoiding damage to the thread ridges.

    摘要翻译： 因此，切削工具和松顶部包括通过螺纹接头可拆卸地彼此连接的两个部件，其中配合的螺纹和螺纹螺纹以螺旋脊的形式包括在内。 每个螺旋脊的轮廓形状由顶部和两个侧面限定，其限定具有底部的螺旋槽。 第一侧面以相对于中心轴线小于第二侧面的第二角度的第一角度相对于工具的中心轴线倾斜。 因此，与具有对称轮廓形状的螺纹脊相比，螺纹脊被加强，由此可以对螺纹接头施加比压缩力更大的拉力，同时避免损坏螺纹脊。

    Milling tool
    5.
    发明授权
    Milling tool 有权
    铣削工具

    公开(公告)号：US09238273B2

    公开(公告)日：2016-01-19

    申请号：US13434182

    申请日：2012-03-29

    申请人： Ralf Lehto ,  Lennart Wihlborg

    发明人： Ralf Lehto ,  Lennart Wihlborg

    IPC分类号： B23C5/28 ,  B23B51/06 ,  B23C5/26 ,  B23Q11/10

    CPC分类号： B23C5/26 ,  B23B2240/24 ,  B23C5/28 ,  B23C2240/245 ,  B23Q11/1023 ,  Y10T408/44 ,  Y10T408/45 ,  Y10T409/303976 ,  Y10T409/304032 ,  Y10T409/304088

    摘要： A milling tool is disclosed having a front head and a rear holder, which are detachably connected by means of a male/female coupling as well as a screw and a washer. Via a main duct, cooling liquid is fed to a chamber, from which it is fed out via branch ducts to individual milling inserts. The front chamber is closed by means of a cover that is held applied against a ring surface surrounding the chamber. The cover is tightenable by means of a threaded joint that is operative independently of a threaded joint between the screw and a front section of the main duct.

    摘要翻译： 公开了一种具有前头和后保持器的铣刀，其通过阳/阴联轴器以及螺钉和垫圈可拆卸地连接。 通过主管道，将冷却液体送入腔室，通过分支管道将其送至各个铣削刀片。 前室通过被保持施加在围绕室的环表面的盖封闭。 该盖可以通过螺纹接头来拧紧，该螺纹接头独立于螺杆和主管道前部之间的螺纹接头而工作。

    TOOL FOR CHIP REMOVING MACHINING AS WELL AS A BASIC BODY THEREFORE
    7.
    发明申请
    TOOL FOR CHIP REMOVING MACHINING AS WELL AS A BASIC BODY THEREFORE 有权
    用于芯片移除机器的工具作为其基本体

    公开(公告)号：US20080304923A1

    公开(公告)日：2008-12-11

    申请号：US12125729

    申请日：2008-05-22

    申请人： Ralf LEHTO ,  Magnus ORTLUND ,  Isak KAKAI

    发明人： Ralf LEHTO ,  Magnus ORTLUND ,  Isak KAKAI

    IPC分类号： B26D7/00

    CPC分类号： B23B31/1107 ,  B23B31/005 ,  B23B31/1115 ,  B23B51/00 ,  B23B2222/28 ,  B23B2222/84 ,  B23B2251/02 ,  B23C5/10 ,  B23C2210/02 ,  B23C2210/03 ,  Y10T407/19 ,  Y10T407/1906 ,  Y10T407/2268

    摘要： A tool for chip removing machining, including a long narrow basic body having an envelope surface which is concentric with a center axis, and two opposite ends, and a replaceable loose top which is connected to the basic body via a first coupling that includes a first seating formed in one end of the basic body and a first male element formed in one end of the loose top. The basic body includes a primary part body made of a first material having a first modulus of elasticity, and a secondary part body which includes the first seating and is made of a second material having a second modulus of elasticity which is lower than the first modulus of elasticity. The two part bodies of the basic body are interconnected via a second coupling which includes a second seating in the secondary part body as well as a second male element that is formed on the primary part body and has one or more precision machined flank surfaces that are arranged to apply, together with one or more co-operating and precision machined flank surfaces of the second seating, joining axial forces to the part bodies by turning the part bodies in relation to each other.

    摘要翻译： 一种用于切屑移除加工的工具，包括具有与中心轴同心的包络面的长条窄基体和两个相对端，以及可更换的松顶，其经由第一联接器连接到基体，该第一联接件包括第一 形成在基体的一端的座，以及形成在松顶部一端的第一阳元件。 基体包括由具有第一弹性模量的第一材料制成的主要部件主体和包括第一底座的第二部件主体，并且由具有低于第一模量的第二弹性模量的第二材料制成 的弹性。 基体的两个部分主体通过第二联接器相互连接，该第二联接器包括在次要部件主体中的第二安置部以及形成在主要部件主体上并具有一个或多个精加工侧面的第二阳元件， 布置成与第二座的一个或多个配合和精加工的侧面一起施加，通过相对于彼此转动零件本体而将轴向力连接到零件体上。

    Milling cutter head and a milling cutter tool
    8.
    发明申请
    Milling cutter head and a milling cutter tool 审中-公开
    铣刀头和铣刀工具

    公开(公告)号：US20070081872A1

    公开(公告)日：2007-04-12

    申请号：US11540958

    申请日：2006-10-02

    申请人： Per Blomstedt ,  Ralf Lehto

    发明人： Per Blomstedt ,  Ralf Lehto

    IPC分类号： B23C5/00

    CPC分类号： B23C5/10 ,  B23C2210/02 ,  B23C2210/03 ,  B23C2270/14 ,  Y10T409/30952

    摘要： A replaceable milling cutter head, which has an external envelope surface having a rotationally symmetrical basic shape in respect of a central axis. The cutter head includes a plurality of peripherally spaced-apart cutting edges and chip flutes, and two axially spaced-apart, front and rear ends. An axial hole extends all the way through a frame of the cutter head. The milling cutter head has a flat, pulley-like basic shape, such that the axial distance between the two ends thereof is at most half as large as the greatest outer diameter thereof. A hollow space for receiving a male element of a basic body is recessed in the rear end of the milling cutter head. The cross-section area of the hollow space, in a plane perpendicular to the center axis, amounts to at least 25% of the total cross-section area of the milling cutter head, as determined by the outer diameter.

    摘要翻译： 一种可替换的铣刀头，其具有相对于中心轴线具有旋转对称的基本形状的外部包络面。 刀头包括多个周向间隔开的切削刃和碎屑槽，以及两个轴向间隔开的前端和后端。 轴向孔一直延伸穿过刀头的框架。 铣刀头具有扁平的带轮状基本形状，使得其两端之间的轴向距离为其最大外径的至多一半。 用于接收基体的阳元件的中空空间在铣刀头的后端凹入。 中空空间的垂直于中心轴的平面的横截面面积相当于铣刀头的总横截面面积的至少25％，由外径决定。

    Milling cutter head and a milling cutter tool
    9.
    发明申请
    Milling cutter head and a milling cutter tool 审中-公开
    铣刀头和铣刀工具

    公开(公告)号：US20070081873A1

    公开(公告)日：2007-04-12

    申请号：US11540978

    申请日：2006-10-02

    申请人： Per Blomstedt ,  Ralf Lehto

    发明人： Per Blomstedt ,  Ralf Lehto

    IPC分类号： B23C5/00

    CPC分类号： B23C5/10 ,  B23C2210/02 ,  B23C2210/03 ,  B23C2210/243 ,  Y10T409/30952

    摘要： A milling cutter head in the form of a body, which has an external envelope surface having a rotationally symmetrical basic shape in respect of a central axis, and includes a plurality of peripherally spaced-apart cutting edges and chip flutes. The cutter head includes two axially spaced-apart ends in which hollow spaces open, which are arranged to receive male elements included in a basic body, and are spaced-apart by a partition wall in which a through hole is formed. The through hole mouths in bottom surfaces in the hollow spaces. The cross-section area of each individual hollow space, in a plane perpendicular to the center axis, amounts to at least 25% of the total cross-section area of the body, as defined by the greatest diameter of the envelope surface.

    摘要翻译： 具有主体形式的铣刀头，其具有相对于中心轴线具有旋转对称的基本形状的外部包络面，并且包括多个周向间隔开的切削刃和切屑槽。 刀头包括两个轴向间隔开的端部，中空空间开放，其中，它们被布置成接纳包括在基体内的阳元件，并且由形成有通孔的分隔壁间隔开。 通孔在中空空间的底部表面开口。 在垂直于中心轴线的平面中，每个独立的中空空间的横截面面积相当于由包络面的最大直径限定的至少25％的主体横截面面积。

    Milling Tool
    10.
    发明申请
    Milling Tool 有权
    铣削工具

    公开(公告)号：US20120275876A1

    公开(公告)日：2012-11-01

    申请号：US13434182

    申请日：2012-03-29

    申请人： Ralf Lehto ,  Lennart Wihlborg

    发明人： Ralf Lehto ,  Lennart Wihlborg

    IPC分类号： B23Q11/00

    CPC分类号： B23C5/26 ,  B23B2240/24 ,  B23C5/28 ,  B23C2240/245 ,  B23Q11/1023 ,  Y10T408/44 ,  Y10T408/45 ,  Y10T409/303976 ,  Y10T409/304032 ,  Y10T409/304088

    摘要： A milling tool is disclosed having a front head and a rear holder, which are detachably connected by means of a male/female coupling as well as a screw and a washer. Via a main duct, cooling liquid is fed to a chamber, from which it is fed out via branch ducts to individual milling inserts. The front chamber is closed by means of a cover that is held applied against a ring surface surrounding the chamber. The cover is tightenable by means of a threaded joint that is operative independently of a threaded joint between the screw and a front section of the main duct.

    摘要翻译： 公开了一种具有前头和后保持器的铣刀，其通过阳/阴联轴器以及螺钉和垫圈可拆卸地连接。 通过主管道，将冷却液体送入腔室，通过分支管道将其送至各个铣削刀片。 前室通过被保持施加在围绕室的环表面的盖封闭。 该盖可以通过螺纹接头来拧紧，该螺纹接头独立于螺杆和主管道前部之间的螺纹接头而工作。