Self-centring mill, particularly for threaded holes
    1.
    发明公开
    Self-centring mill, particularly for threaded holes 审中-公开
    SelbstzentrierenderFräser,insbesonderefürmit Innengewinden versehenenLöcher

    公开(公告)号:EP2520392A1

    公开(公告)日:2012-11-07

    申请号:EP11183280.4

    申请日:2011-09-29

    申请人: GO.VO.NI. S.R.L.

    摘要: A self-centring mill (1), particularly for threaded holes, comprising a centring device (10) which is insertable in a threaded hole (100) provided in a surface to be cut (110) and is associable with a cylindrical hollow end mill (20) to cut the surface that is adjacent to the threaded hole (100) along a cutting plane which is substantially perpendicular to the axis (101) of the threaded hole (100). The centring device (10) comprises a hollow expandable sleeve (40) insertable with play in said threaded hole (100) and provided with a threaded outer surface (42) adapted to engage the thread of said threaded hole (100) once it has expanded.

    摘要翻译: 一种自动定心研磨机(1),特别是用于螺纹孔,包括可设置在待切割表面(110)中的螺纹孔(100)中的定心装置(10),并且可与圆柱形中空端铣刀 (20)沿着基本上垂直于所述螺纹孔(100)的轴线(101)的切割平面切割与所述螺纹孔(100)相邻的表面。 定心装置(10)包括一个中空的可膨胀套筒(40),该套筒可在所述螺纹孔(100)中可随意地插入,并且具有螺纹外表面(42),适于在膨胀后与所述螺纹孔(100)的螺纹接合 。

    BORING TOOL AND METHOD OF BORING PILOT HOLE
    3.
    发明公开
    BORING TOOL AND METHOD OF BORING PILOT HOLE 有权
    钻孔工具及钻孔钻孔方法

    公开(公告)号:EP1932609A1

    公开(公告)日:2008-06-18

    申请号:EP06745491.8

    申请日:2006-04-20

    发明人: TAKIGUCHI, Shoji

    IPC分类号: B23D77/00

    摘要: A boring tool capable of accurately forming a bored hole by securing the rigidity of a reamer to prevent turn out of the reamer at high speeds and enabling an increase in life by suppressing the breakage thereof by cutting resistance. The boring tool (21) is inserted into a pilot hole formed in a workpiece beforehand to cut the inner wall surface of the pilot hole. The boring tool comprises a shank part rotated about an axis (O), an edge part with a cutting edge (30) at the tip of the shank part, and a chip discharging groove (27) formed in the outer peripheral part of the edge part and extending from the tip side to the rear end side. The cutting edge (30) is formed at a crossed ridge part between the wall surface (28) of the chip discharging groove (27) facing forward in the tool rotating direction (T) and the outer peripheral surface (29) of the edge part. The boring tool is characterized in that the cross-section of the chip discharging groove (27) vertical to the axis (O) is formed in a U-shape.

    摘要翻译: 一种能够通过确保铰刀的刚性以防止铰刀高速转出并能够通过抑制由切削阻力引起的断裂而延长寿命的方式来精确地形成钻孔的钻孔工具。 镗削工具(21)预先插入工件上形成的导向孔中以切削导向孔的内壁表面。 钻孔工具包括围绕轴线(O)旋转的柄部分,在柄部分的末端具有切削刃(30)的边缘部分以及形成在边缘的外周部分中的排屑槽(27) 部分并从尖端侧延伸至后端侧。 切削刃30形成在切屑排出槽27的朝向工具旋转方向T的前方的壁面28与切削刃30的端部外周面29之间的交叉棱线部分, 。 钻孔工具的特征在于,排屑槽(27)垂直于轴线(O)的横截面形成为U形。

    WERKZEUG ZUR SPANABTRAGENDEN BEARBEITUNG VON BOHRUNGSOBERFLÄCHEN
    4.
    发明授权
    WERKZEUG ZUR SPANABTRAGENDEN BEARBEITUNG VON BOHRUNGSOBERFLÄCHEN 失效
    工具,切削孔曲面的加工

    公开(公告)号:EP0946328B1

    公开(公告)日:2002-05-08

    申请号:EP97952001.2

    申请日:1997-11-28

    IPC分类号: B23C3/05

    摘要: Disclosed is a tool for machining workpiece surfaces, specially drill hole surfaces by chip removal, comprising at least two partial tools which can be displaced towards each other, wherein the work tool processing the workpiece surfaces can be rotationally moved. The tool is characterized in that is includes at least one control element (19) which can be displaced in a substantially perpendicular position to the rotational axis (9) of the tool in relation to the latter (1). Said control element causes one partial tool (5) to move in relation to the other partial tool (3), preferably when a given rotational speed is reached.

    OUTILLAGE A PLAQUETTE INTERCHANGEABLE POUR L'USINAGE DE SIEGES PROFILES
    5.
    发明公开
    OUTILLAGE A PLAQUETTE INTERCHANGEABLE POUR L'USINAGE DE SIEGES PROFILES 有权
    具有可互换切削刀片的工具单元用于治疗异形VALVE SIT

    公开(公告)号:EP1148964A1

    公开(公告)日:2001-10-31

    申请号:EP00901674.2

    申请日:2000-01-28

    申请人: MACHINES SERDI

    IPC分类号: B23C3/05

    摘要: The invention concerns a tooling outfit wherein the insert-holder (20) cradle (22) is in the shape of a right-angled trihedron and is transversely inclined by rotation about an axis (D) corresponding to a generator of the conical bearing of the seat to be produced, while the cutting edges (13 to 15) of the insert (21) are produced in a blank comprising three bearing surfaces forming a right-angled trihedron, namely a dorsal surface (21d), a longitudinal surface (21l) and rear surface (21p), and whereof the other longitudinal surface (21t), and the front surface (21a) remain unwrought, are in tool back clearance from the front surface (21f), the main cutting edge (13) being produced such that its middle point (Pm) coincides with a reference point (Pr) of the axis of inclination (D) and located on said axis at a constant distance from the cradle (22) trihedron apex.

    APPARATUS AND METHOD FOR MACHINING VALVE SEATS IN AN ENGINE CYLINDER HEAD
    6.
    发明公开
    APPARATUS AND METHOD FOR MACHINING VALVE SEATS IN AN ENGINE CYLINDER HEAD 失效
    装置和方法的发动机加工VENTILSITZENIN HEADS

    公开(公告)号:EP0879110A1

    公开(公告)日:1998-11-25

    申请号:EP96919115.0

    申请日:1996-06-04

    IPC分类号: B23C3 B23Q1

    摘要: The valve seat and guide machine comprises a base structure on which is pivotally supported a pantograph having a major arm (112) on which is mounted a drive motor (138) and minor arm (110) which moves slidably with respect to the major arm. Pivotally attached to each arm of the pantograph is a head portion (118) with a support frame (118) which retains a spherical head (140) and a plurality of sphere seats (142, 144) for supporting the spherical head (140) so that it can pivot around its centerpoint at the center of the sphere. A stepper motor (152) is disposed at the top of the spherical head and a spindle (150) disposed with the spherical head (140) retains a cutting bit (156) and a pilot (158) which extend from the bottom of the spherical head. Small z-axis displacement and spindle feed/retraction along the z-(vertical) axis is provided by the stepper motor (152). The drive motor (138) rotates a transmission linkage which, in turn, rotates the spindle (150) using cone-shaped pinions (318, 320) to cause the cutting bit, typically carbide, to cut the valve seat. Small x, y displacements are enabled by moving the entire spherical housing and its supporting sphere seats with respect to the support frame. The pantograph swings up and down on the base to provide large z-axis displacement to remove the spindle from the cutting position and to provide clearance for movement to another machine site. A system controller (162) receives feedback from system monitors to control spindle rotations and feed/retraction.

    Verfahren und Werkzeug zur Feinbearbeitung von Ventilführungen von Kraftfahrzeugen
    8.
    发明公开
    Verfahren und Werkzeug zur Feinbearbeitung von Ventilführungen von Kraftfahrzeugen 失效
    Verfahren und Werkzeug zur Feinbearbeitung vonVentilführungenvon Kraftfahrzeugen

    公开(公告)号:EP0806261A1

    公开(公告)日:1997-11-12

    申请号:EP97107270.7

    申请日:1997-05-02

    IPC分类号: B23C3/05

    CPC分类号: B23C3/055

    摘要: Die Erfindung bezieht sich auf ein Verfahren und ein Werkzeug zur spanabhebenden Feinbearbeitung von Werkstücken, insbesondere Ventilführungen an Zylinderköpfen von Kraftfahrzeugen.
    Das erfindungsgemäße Verfahren ist dadurch gekennzeichnet, dass sich eine mit dem Werkzeug mitdrehende Auflaufhülse, die während der Bearbeitung mit Hilfe des Kühl- und Schmiermittels hydraulisch gegen eine fertig bearbeitete Fase des Ventilsitzes gepreßt wird, in dieser Fase zentriert und dabei mit ihrer Bohrung das Werkzeug so führt, dass die Bohrung in der Ventilführung nach ihrer Fertigbearbeitung mit großer Genauigkeit konzentrisch zur Fase des Ventilssitzes angeordnet ist.
    Erfindungsgemäß wird außerdem ein Werkzeug mit folgenden Merkmalen vorgeschlagen:

    a) das Werkzeug (2) ist fest mit der bei der Bearbeitung sich drehenden und axial verschieblichen Werkzeugaufnahme (8, 9) verbunden,
    b) mit der Werkzeugaufnahme (8, 9) ist eine Auflaufhülse (1) drehfest aber axial verschieblich verbunden,
    c) das Werkzeug (2) ist mit dem vorderen Ende in einer Bohrung (11) der Auflaufhülse (1) geführt und
    d) die Auflaufhülse (1) ist während der Bearbeitung gleitend oder rollend direkt oder indirekt auf der Vorderkante (5) des Werkstückes abgestützt.

    摘要翻译: 该工具被固定到工具安装座(8,9)上,可轴向移动的升降插座(1)固定成不旋转。 该工具的前端位于升降孔中的孔(11)中,其在加工期间以直接或间接的方式被支撑在工件的前边缘(5)上。 在升降座的前表面壁(20)中,设置一个或多个孔(15),用于将冷却剂和润滑剂供入到插座的圆锥形起落表面(6)和锥形斜面 - 工件(3)上的阀座环(5)的边缘。 升降插座可以通过锥形轴承或类似物相对于工件的前边缘和/或相对于支撑在前边缘上的中间环来支撑。

    Procédé et dispositif pour centrer une tige-pilote dans un guide de soupape, en vue de l'usinage de précision d'un siège de soupape
    9.
    发明公开
    Procédé et dispositif pour centrer une tige-pilote dans un guide de soupape, en vue de l'usinage de précision d'un siège de soupape 失效
    用于在阀导向定心导向心轴,用于阀座的精密加工方法和装置。

    公开(公告)号:EP0478478A1

    公开(公告)日:1992-04-01

    申请号:EP91420339.3

    申请日:1991-09-26

    发明人: Siegfried, Ruedi

    IPC分类号: B23C3/05

    CPC分类号: B23C3/055

    摘要: Le procédé centre une tige-pilote (1), qui est introduite dans un guide de soupape (2) d'un siège de soupape (3) à usiner et qui y sert de mandrin de guidage pour un outil (4) de façonnage. A la main, ou avec un dispositif mécanique, pneumatique, hydraulique ou électromagnétique, la tige-pilote (1) est centrée dans le guide de soupape (2) à l'aide d'une rotule pivotante (5), qui est montée pivotante de tous côtés entre deux plaques de serrage (6), et qui est maintenue avec possibilité de translation entre la bague de serrage(7) et le fond (18) d'un carter. Pour celà, la rotule pivotante (5) est déplacée circulairement, de sorte que la tige-pilote (1) balaye le tour du guide de soupape (2). Par l'intermédiaire des leviers palpeurs (8), la forme du guide de soupape (2) est déterminée et, par l'intermédiaire d'un dispositif mécanique précis, la rotule pivotante (5) est placée au centre de la forme balayée, où elle peut être fixée à l'aide des plaques (6) et de la bague (7) de serrage.

    摘要翻译: 过程中心,其被引入到阀导承的阀座(3)的(2)被加工,并供应有作为引导心轴成形工具(4)的导销(1)所有。 用手或用机械的,气动的,液压或电磁装置,所述引导销(1)设置在该阀引导件(2)中通过枢转转向节(5)的平均值为中心的所有可枢转地安装在所有方向上的两个夹持板(之间 6)和所有的被保持与所述夹紧环(7)和一外壳的底部(18)之间的平移运动的可能性。 为了这个目的,枢转转向节(5)被移位圆,在寻求一种方式并引导销(1)扫过圆形阀导的圆周(2)。 通过示踪杆(8),阀引导件的形状的装置(2)是确定性的开采,以及由精密机械设备的枢转转向节的装置(5)在所检测的形状,其中,它可以是中心放置 由板(6)和所述夹紧环(7)而被紧固。