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    • 7. 发明公开
    • Self-centering drill bit with pilot tip
    • 自定心钻头与试点切割部分
    • EP1512476A3
    • 2009-08-26
    • EP04019034.0
    • 2004-08-11
    • Black & Decker Inc.
    • Wetzl, AlfonsRompel, Markus
    • B23B51/02
    • B23B51/02B23B2251/04B23B2251/043B23B2251/14B23B2251/404B23B2251/60Y10T408/9065Y10T408/9097
    • An elongate drill bit (20) with a longitudinal axis (X-X), the drill bit comprising a shank (28), a working end (24), and a fluted section (26) located between the shank and the working end, wherein the shank, the working end and the fluted section are all formed integrally in the drill bit, wherein the working end comprises an outer cutting portion (34) and a central pilot tip (36) extending axially ahead of the outer cutting portion, wherein the pilot tip is formed with at least one pair of minor cutting edges (40, 42; 44, 46) arranged on opposite sides of the axis, and the outer cutting portion is formed with a pair of major cutting edges (70, 72) arranged on opposite sides of the axis, wherein the outer cutting portion has a major diameter (D) defined by the pair of major cutting edges and the pilot tip has a minor diameter (d) defined by the at least one pair of minor cutting edges, wherein the fluted section has a pair of helical lands (32) each with a respective inner surface (92) extending axially rearward from one of the major cutting edges and from one of the minor cutting edges, wherein the helical lands define a web (94) and each helical land defines a respective helical flute (30), wherein the helical lands have a pitch (S) and the web has a web thickness (K) at the pilot tip, characterised in that the ratio of pitch to major diameter (S:D) falls within a range of 380% to 410% and the ratio of minor diameter to web thickness at the at the pilot tip (d:K) falls within a range of 220% to 380%.
    • 8. 发明公开
    • Self-centering drill bit with pilot tip
    • Selbstzentrierendes Bohrwerkzeug mit Pilotschneidteil
    • EP1512476A2
    • 2005-03-09
    • EP04019034.0
    • 2004-08-11
    • BLACK & DECKER INC.
    • Wetzl, AlfonsRompel, Markus
    • B23B51/02
    • B23B51/02B23B2251/04B23B2251/043B23B2251/14B23B2251/404B23B2251/60Y10T408/9065Y10T408/9097
    • An elongate drill bit (20) with a longitudinal axis (X-X), the drill bit comprising a shank (28), a working end (24), and a fluted section (26) located between the shank and the working end, wherein the shank, the working end and the fluted section are all formed integrally in the drill bit, wherein the working end comprises an outer cutting portion (34) and a central pilot tip (36) extending axially ahead of the outer cutting portion, wherein the pilot tip is formed with at least one pair of minor cutting edges (40, 42; 44, 46) arranged on opposite sides of the axis, and the outer cutting portion is formed with a pair of major cutting edges (70, 72) arranged on opposite sides of the axis, wherein the outer cutting portion has a major diameter (D) defined by the pair of major cutting edges and the pilot tip has a minor diameter (d) defined by the at least one pair of minor cutting edges, wherein the fluted section has a pair of helical lands (32) each with a respective inner surface (92) extending axially rearward from one of the major cutting edges and from one of the minor cutting edges, wherein the helical lands define a web (94) and each helical land defines a respective helical flute (30), wherein the helical lands have a pitch (S) and the web has a web thickness (K) at the pilot tip, characterised in that the ratio of pitch to major diameter (S:D) falls within a range of 380% to 410% and the ratio of minor diameter to web thickness at the at the pilot tip (d:K) falls within a range of 220% to 380%.
    • 具有纵向轴线(XX)的细长钻头(20),所述钻头包括柄(28),工作端(24)和位于柄和工作端之间的槽纹部分(26),其中, 刀柄,工作端和槽纹部分均整体地形成在钻头中,其中工作端包括在外切割部分轴向延伸的外切割部分(34)和中心引导尖端(36),其中飞行员 尖端形成有布置在轴线的相对侧上的至少一对副切削刃(40,42; 44,46),并且外切割部分形成有一对主切削刃(70,72),其布置在 所述轴线的相对侧,其中所述外切割部分具有由所述一对主切削刃限定的大直径(D),并且所述引导末端具有由所述至少一对次切削刃限定的小直径(d),其中 所述带槽部分具有一对螺旋接合面(32),每一个具有相应的内表面(9) 2)从一个主切削刃和一个次切削刃之一轴向向后延伸,其中所述螺旋接合部限定腹板(94),并且每个螺旋部分限定相应的螺旋槽(30),其中所述螺旋槽具有 间距(S),腹板在导向尖端处具有腹板厚度(K),其特征在于,俯仰与大直径(S:D)的比率落在380%至410%的范围内,并且小直径 (d:K)处的腹板厚度在220〜380%的范围内。
    • 9. 发明公开
    • Drill bit
    • Bohrer的
    • EP2842673A1
    • 2015-03-04
    • EP14182342.7
    • 2014-08-26
    • Black & Decker Inc.
    • Santamarina, AlandSteinbrunner, Glen VJohnson, David N
    • B23B51/02
    • B23B51/02B23B2251/043B23B2251/14B23B2251/404B23B2251/60
    • An elongated drill bit (20) has a shank (22) at one end and a working end (24) at the other. A flute portion (26) is between the working end (24) and the shank (22). The flute portion (26) is continuous with the shank (22) and the working end (24) and is generally unitarily formed with them. The flute portion (26) has at least one flute (30) with a helix angle between approximately 30° and 35°. The working end (24) has a pilot tip (36) with a cutting portion (34). A tapered web (94) is formed in the flute portion (26), a thickness (K) of the web (94) at the tip of the working end (24) is about 9% to 15% of the nominal diameter (D).
    • 细长的钻头(20)在一端具有柄(22)和在另一端具有工作端(24)。 凹槽部分(26)位于工作端(24)和柄(22)之间。 凹槽部分26与柄部22和工作端部24连续并且与它们大致整体形成。 凹槽部分(26)具有至少一个具有约30°和35°之间的螺旋角的凹槽(30)。 工作端(24)具有带有切割部分(34)的导向尖端(36)。 锥形部分(94)形成在凹槽部分(26)中,工作端(24)尖端处的幅材(94)的厚度(K)为公称直径(D)的约9%至15% )。
    • 10. 发明公开
    • Verfahren und Vorrichtung zur Bearbeitung eines Informations- und/oder Strukturträgers für Spritzgussformen
    • 用于处理注塑模具的信息和/或结构支撑的方法和设备
    • EP1686576A2
    • 2006-08-02
    • EP06405017.2
    • 2006-01-18
    • AWM Mold Tech AG
    • Gabriel, Markus
    • G11B7/26B29C45/26B29C33/30B29D17/00B23B51/00
    • B23B51/0081B23B2251/60B29C45/2606B29C45/2632
    • Beschrieben wird ein Verfahren und eine Vorrichtung zur Nachbearbeitung eines scheibenförmigen Informations- und/oder Strukturträgers (19) für Spritzgussformen (10), beispielsweise einen Stamper für die Herstellung von CDs oder DVDs, welcher eine zentrale, im wesentlichen zylindrische Öffnung (56) aufweist, wobei der Informations-und/oder Strukturträger (19) in der Spritzgussform (10) durch eine durch die Öffnung (56) wenigstens teilweise hindurchtretende Haltevorrichtung (18), beispielsweise einen ringförmigen Stamperhalter, gehalten wird, und bei welchem die Information respektive Struktur im wesentlichen konzentrisch zu dieser Öffnung (56) auf einer der Kavität (25) der Spritzgussform (10) zugewandten Oberfläche (55) vorgesehen ist. Bei einem solchen Verfahren wird die im wesentlichen zylindrische Öffnung (56) auf wenigstens einer Seite an der Kante zu einer Oberfläche (55,57), vorzugsweise auf der die Information respektive Struktur tragenden Oberfläche abgefast (35), wodurch sich beim Einbau in die Spritzgussform eine Selbstzentrierung der Stamperplatte ergibt und eine im wesentlichen spaltfreie Halterung durch den Stamperhalter bei welcher am resultierenden Formling (CD/DVD) keine unerwünschten Grate oder Rillen entstehen und die Stamperplatte durch die Befestigung keine Spannungen erfährt.
    • 加工盘形信息和/或结构的载体,特别是压模(19),用于注射成型的形式(10)包括中央,圆柱形开口,包括面对注射成型的空腔同心提供信息或结构,分别在表面开口 形状,其中,圆筒形开口设置有倒角上的至少一个侧面上的边缘表面中的一个。 加工用于注射成型形成盘状信息和/或结构载体,其包括中央的,圆柱形的开口,包括:(1)保持的信息和/或结构载体在注射成型的形式通过保持装置通过所述开口部分穿透; 和(2)同心地分别提供信息或结构,以面对注射成型的形式,其中,圆筒形开口设置有倒角上的至少一个侧面上的边缘表面中的一个的所述空腔(25)上表面该开口。 因此独立claimsoft包括用于为盘形的信息 - 和/或结构载体用于注射成型的形式的处理的装置,包括一个中央圆筒形开口,其中,所述信息 - 和/或结构载体旨在安装 在注塑形式,并通过保持装置保持部分穿过所述开口,并且在其上的信息或结构,分别同心地设置于该开口面对所述注射成型形式的空腔中的表面的。切割板被提供用于 的信息 - 和/或结构载体,和其中提供了grinding-或切割工具,其通过导柱可以被引入到被紧固的信息 - 的中央开口和/或结构载体以同心方式的控制紧固。 通过研磨和/或切割工具的转动,圆筒形开口可以在边缘的至少一侧设有倒角到一个表面上。