| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 1 | 螺纹切削用丝锥 | CN201380076517.2 | 2013-05-24 | CN105209202A | 2015-12-30 | 小出文也; 川田克人; 中岛孝之 |
| 提供一种抑制在丝锥加工中产生的剥落，并且也能使内螺纹精度稳定的螺纹切削用丝锥。通过在切削刃(28)的前倾面(30)上形成有突圆形状(32)，能够使剥落受到抑制。另外，当螺纹切削用丝锥(10)切入被削件时，作用在负侧的轴向载荷Fs降低，螺纹切削用丝锥不会行进过度，因此，螺旋丝锥(10)的切削状态良好，从而也使内螺纹精度稳定。 | ||||||
| 2 | 具有螺旋排屑槽的螺纹铣削工具 | CN01805266.5 | 2001-02-14 | CN1404426A | 2003-03-19 | X·丹尼尔·方; 戴维·J·威尔斯; 克拉伦斯·E·布莱克本 |
| 螺纹铣具(10)具有一个近端柄部(14)和一个远端切削部(12)。切削部(12)包括至少一个螺纹铣削齿(20)，和围绕工具(10)的转动轴线(22)螺旋或盘旋定向的至少一个排屑槽(16)。螺纹铣具(10)的螺旋角(26)至少为20°。当切削部(12)相对于工件运动时，切削部在工件中形成内螺纹或外螺纹。 | ||||||
| 3 | 螺旋丝锥及其制造方法 | CN201280074721.6 | 2012-07-17 | CN104470665A | 2015-03-25 | 中岛孝之 |
| 本发明提供一种保证螺纹切削加工时的良好的切削性，且使螺纹切削加工后的倒转拔出时的切屑分离好，提高工具寿命的螺旋丝锥。本发明中，由于在扭转槽(18)内的至少与螺旋丝锥(10)的切入部(22)相当的部分设置沿该扭转槽(18)的内刃(30)被形成为凹状，且使该内刃(30)的前角为正的副槽(28)，所以，可确保必要的足够的排屑槽，且使扭转槽(18)的内刃(30)的前角变大。即，能够提供螺纹切削加工时的良好的切削性，且使螺纹切削加工后的倒转拔出时的切屑分离好，提高工具寿命的螺旋丝锥(10)。 | ||||||
| 4 | 螺旋丝锥 | CN201280071267.9 | 2012-03-09 | CN104159692A | 2014-11-19 | 伊藤实朗 |
| 本发明提供在镍基耐热合金、沉淀硬化不锈钢等耐热合金这样的难削材料的内螺纹切削中也能够获得耐久性的螺旋丝锥。螺旋丝锥(10)具有形成了外螺纹(16)的螺纹部(12)、与外螺纹(16)的螺纹牙交叉地形成的螺旋状的一次槽(22)、和以比一次槽(22)的螺旋角(α)小的螺旋角形成在一次槽(22)的前端部上的二次槽(26)，其中，二次槽(26)具有0～3°的正或负的螺旋角(β)，形成在二次槽(26)的朝向丝锥旋转方向(T)的侧壁面(23)和螺纹部(12)的外周面之间的棱线上的切削刃(24)具有-10～0°的前角(S)，而且二次槽(26)具有5～15°的槽底梯度(K)。由此，在45HRC的镍基耐热合金这样的难削材料的内螺纹加工时，丝锥寿命大幅提高，能够获得耐久性高的丝锥。 | ||||||
| 5 | 具有螺旋排屑槽的螺纹铣削工具 | CN201110214907.4 | 2001-02-14 | CN102294523A | 2011-12-28 | X·丹尼尔·方; 戴维·J·威尔斯; 克拉伦斯·E·布莱克本 |
| 一种螺纹铣具(10)，其用于在工件中的孔的至少一部分中产生锥螺纹，其包括：近端柄部(14)；远端切削部(12)，该远端切削部(12)包括终端(24)和多个螺纹铣削齿(16)，所述螺纹铣削齿具有齿顶并且限定楔形角(32)；当所述螺纹铣削齿(16)接近终端(24)时，楔形角(32)由所述螺纹铣具(10)的中心轴线(22)与各个螺纹铣削齿(16)的齿顶之间在距离上的连续减少所限定；其特征在于：所述楔形角(32)大于0°，至多5°，并且所述螺纹铣具(10)还包括在所述远端切削部(12)上限定的至少一个螺旋定向的排屑槽(20)，其中所述螺旋排屑槽是由至少为20°的螺旋角限定的。 | ||||||
| 6 | 螺旋槽丝锥 | CN200780038828.4 | 2007-10-11 | CN101541460A | 2009-09-23 | W·E·亨德尔; S·M·乔治; S·R·伯恩斯; 赤木贞之 |
| 一种切削刀具包括具有一个前端(26)以及一个后端(24)的一个狭长的本体(22)。该狭长的本体(22)具有一个有槽的部分(30)，该凹槽部分始于该前端(26)附近并且从其向后方延伸。该有槽的部分(30)具有限定了一个切削刃的一个槽(36，38，40，42)。该槽呈现一个凹形切削面(60)，其中该凹形切削面(60)由一个第一半径(R1)限定。该槽进一步呈现与该凹形切削面(60)相邻的一个凹形核心表面(66)，其中该凹形核心表面(66)由一个第二半径(R2)限定。该槽呈现与该凹形核心表面(66)相邻的一个凸起的跟表面(64)，其中该凸起的跟表面(64)由一个第四半径(R4)限定。 | ||||||
| 7 | 螺旋丝锥 | CN201280071267.9 | 2012-03-09 | CN104159692B | 2016-07-13 | 伊藤实朗 |
| 本发明提供在镍基耐热合金、沉淀硬化不锈钢等耐热合金这样的难削材料的内螺纹切削中也能够获得耐久性的螺旋丝锥。螺旋丝锥(10)具有形成了外螺纹(16)的螺纹部(12)、与外螺纹(16)的螺纹牙交叉地形成的螺旋状的一次槽(22)、和以比一次槽(22)的螺旋角(α)小的螺旋角形成在一次槽(22)的前端部上的二次槽(26)，其中，二次槽(26)具有0～3°的正或负的螺旋角(β)，形成在二次槽(26)的朝向丝锥旋转方向(T)的侧壁面(23)和螺纹部(12)的外周面之间的棱线上的切削刃(24)具有-10～0°的前角(S)，而且二次槽(26)具有5～15°的槽底梯度(K)。由此，在45HRC的镍基耐热合金这样的难削材料的内螺纹加工时，丝锥寿命大幅提高，能够获得耐久性高的丝锥。 | ||||||
| 8 | 一种螺旋丝锥 | CN201310301708.6 | 2013-07-15 | CN104289771A | 2015-01-21 | 孙凯 |
| 本发明提供一种螺旋丝锥，包括杆体、夹持段和螺纹段，所述夹持段和所述螺纹段均设置于所述杆体上，所述螺纹段上设置有螺纹和螺旋槽，所述螺纹段前端面与所述螺纹之间切削角为100°-150°。所述螺纹的非加工侧设有角度，所述角度为45°。本发明的有益效果是：在加工深孔时，由于切削力的减小，操作人会节省体力，提高效率。丝锥的磨损减小，寿命有所提高，减少丝锥断裂的几率，节省成本。 | ||||||
| 9 | 螺纹切割铣刀 | CN200780101791.5 | 2007-10-29 | CN101883654B | 2012-11-28 | 大泽二朗 |
| 如图2的展开图所示，通过使扭曲槽(16a)、(16c)的导程角(α)与围绕轴心相邻的扭曲槽(16b)、(16d)的导程角(β)不同，来使沿扭曲槽(16a)、(16c)设置的切削刃(20a)、(20c)的导程角(α)与围绕轴心相邻的切削刃(20b)、(20d)的导程角(β)不同，使这些切削刃(20a～20d)的间隔在轴向连续变化，因此，围绕轴心(S)的切削刃(20a～20d)的间隔不等。据此，切削加工螺纹时的切削阻力的增减变得不规则，因共振而产生的颤振得到抑制，能够在各种加工条件下以优异的加工精度切削加工螺纹。 | ||||||
| 10 | 螺旋槽丝锥 | CN200780038828.4 | 2007-10-11 | CN101541460B | 2012-07-04 | W·E·亨德尔; S·M·乔治; S·R·伯恩斯; 赤木贞之 |
| 一种切削刀具包括具有一个前端(26)以及一个后端(24)的一个狭长的本体(22)。该狭长的本体(22)具有一个有槽的部分(30)，该凹槽部分始于该前端(26)附近并且从其向后方延伸。该有槽的部分(30)具有限定了一个切削刃的一个槽(36，38，40，42)。该槽呈现一个凹形切削面(60)，其中该凹形切削面(60)由一个第一半径(R1)限定。该槽进一步呈现与该凹形切削面(60)相邻的一个凹形核心表面(66)，其中该凹形核心表面(66)由一个第二半径(R2)限定。该槽呈现与该凹形核心表面(66)相邻的一个凸起的跟表面(64)，其中该凸起的跟表面(64)由一个第四半径(R4)限定。 | ||||||
| 11 | 螺纹切割铣刀 | CN200780101791.5 | 2007-10-29 | CN101883654A | 2010-11-10 | 大泽二朗 |
| 如图2的展开图所示，通过使扭曲槽(16a)、(16c)的导程角(α)与围绕轴心相邻的扭曲槽(16b)、(16d)的导程角(β)不同，来使沿扭曲槽(16a)、(16c)设置的切削刃(20a)、(20c)的导程角(α)与围绕轴心相邻的切削刃(20b)、(20d)的导程角(β)不同，使这些切削刃(20a～20d)的间隔在轴向连续变化，因此，围绕轴心(S)的切削刃(20a～20d)的间隔不等。据此，切削加工螺纹时的切削阻力的增减变得不规则，因共振而产生的颤振得到抑制，能够在各种加工条件下以优异的加工精度切削加工螺纹。 | ||||||
| 12 | THREADING TOOLS WITH FLUID DUCTS | US15410112 | 2017-01-19 | US20180133824A1 | 2018-05-17 | Christian MEYER; Beat KAUFMANN |
| The present invention relates to a threading tool for producing a thread notch on a workpiece. The production may be both material-removing production and also chipless production. The threading tool comprises at least two regions, a distal machining region with a machining head, and a proximal shank region with a shank, which shank narrows toward the machining region via a shoulder. Furthermore, the threading tool according to the invention is designed such that at least one fluid duct extends through the shank, which at least one fluid duct opens out in the machining region. | ||||||
| 13 | THREAD-CUTTING TAP | US14785742 | 2013-05-24 | US20160089738A1 | 2016-03-31 | Fuminari KOIDE; Katsuto KAWADA; Takayuki NAKAJIMA |
| A thread-cutting tap includes: a thread portion having an external thread, and including a chamfered portion and a complete thread portion that is axially adjacent to the chamfered portion; a flute extending from an axially distal end of the tap toward an axially proximal end of the tap; a rake face defined by one of widthwise opposite end portions of the flute; and a cutting edge defined by one of widthwise opposite edges of the flute, so as to be adjacent to the rake face and extend along the flute. The cutting edge is provided with a protrusion portion at least in a radially outer end portion of the chamfered portion, such that the protrusion portion protrudes from the rake face forwardly in the rotation direction and extends along the cutting edge. | ||||||
| 14 | SPIRAL TAP | US14409876 | 2012-07-17 | US20150251261A1 | 2015-09-10 | Takayuki Nakajima |
| A spiral tap has a male thread disposed on an outer circumferential portion and a cutting edge formed along a spiral flute disposed spirally around an axial direction so as to divide the male thread, the spiral tap is disposed with a sub-groove formed into a concave shape along a back edge of the spiral flute to make a rake angle of the back edge positive at least in a portion corresponding to a biting portion of the spiral tap in the spiral flute, and a curvature radius of the sub-groove is smaller than a curvature radius of the spiral flute in a cross section perpendicular to the axial direction. | ||||||
| 15 | SPIRAL TAP | US14382161 | 2012-03-09 | US20150016911A1 | 2015-01-15 | Jitsuro Ito |
| A spiral tap including: a screw portion provided with a male screw; a primary flute in a helical shape formed to intersect with a screw thread of the male screw; and a secondary flute formed in a tip portion in the primary flute at a helix angle smaller than a helix angle of the primary flute, the secondary flute having a positive or negative helix angle of 0 to 3 degrees, the spiral tap further including a cutting edge being formed on a ridgeline between a side wall surface toward a tap rotation direction out of a pair of side wall surfaces of the secondary flute and an outer circumferential surface of the screw portion and having a rake angle of −10 to 0 degrees, and the secondary flute having a flute bottom slope of 5 to 15 degrees. | ||||||
| 16 | Spiral flute tap | US11582806 | 2006-10-18 | US07950880B2 | 2011-05-31 | Willard E. Henderer; Stephen M. George; Steven R. Burns; Sadayuki Akaki |
| A cutting tool that includes an elongate body that has a forward end and a rearward end. The elongate body has a fluted portion that beginning near and extends in a rearward direction from the forward end. The fluted portion has a flute that defines a cutting edge. The flute presents a concave cutting face wherein the concave cutting face is defined by a first radius. The flute further presents a concave core surface adjacent to the concave cutting face wherein the concave core surface is defined by a second radius. The flute presents a convex heel surface adjacent to the concave core surface wherein the convex heel surface is defined by a fourth radius. | ||||||
| 17 | Tool for Machining a Workpiece | US11852867 | 2007-09-10 | US20080069653A1 | 2008-03-20 | Helmut Glimpel; Dietmar Hechtle |
| The invention relates to a tool for machining a workpiece, which tool is rotatable about a tool axis, having a tool shank and a tool head, which tool head comprises at least one land, at least one spiral point assigned to the land and at least one flute assigned to the land, wherein the flute has a left-hand helix and the spiral point is skewed to the left, or wherein the flute has a right-hand helix and the spiral point is skewed to the right. | ||||||
| 18 | Thread mill having flute twisting in direction opposite to rotating direction | US11384349 | 2006-03-21 | US20060233623A1 | 2006-10-19 | Haruyasu Andoh; Takayuki Nakajima |
| A thread mill that is to be moved along a helical interpolation path while being rotated about an axis of the thread mill in a rotating direction, for forming a thread in a circumferential surface of a workpiece. The thread mill includes a cylindrical main body having (a) at least one spiral flute formed in an outer circumferential surface of the cylindrical main body, and (b) at least one cutting edge each provided by a rear-side one of widthwise opposite edges, as viewed in the rotating direction, of a corresponding one of the at least one spiral flute. Each of the at least one spiral flute extends in a direction opposite to the rotating direction as viewed in a direction away from a proximal end of the cylindrical main body toward a distal end of the cylindrical main body. Also disclosed is a method of forming the thread by using the thread mill. | ||||||
| 19 | TAPERED PIPE THREAD-MACHINING SPIRAL TAP | US15773226 | 2015-12-02 | US20180318949A1 | 2018-11-08 | Takayuki NAKAJIMA |
| A pipe-tapered-thread machining spiral tap includes a tapered thread portion that is circumferentially divided by flutes into a plurality of lands. Each of at least one of the lands has a cutting edge that extends along a corresponding one of the flutes. The flutes are made of a plurality of spiral flutes that are three, four or five spiral flutes each having a helix angle that is not smaller than 30° and smaller than 50°. A flute width ratio AG/(AG+AL) is 0.3-0.5, where AG represents a central angle which is subtended by each of the flutes and which is defined at a center corresponding to the rotation axis in a cross section that is perpendicular to the rotation axis, and AL represents a central angle which is subtended by each of the lands and which is defined at the center in the cross section. | ||||||
| 20 | Multi-sectional Drilling and Tapping Apparatus | US14979438 | 2015-12-27 | US20170136564A1 | 2017-05-18 | Jen-Tsung Liao |
| A multi-sectional drilling and tapping apparatus includes a shank, a drill and a tap that are made in one piece. The shank is formed at an end while the drill is formed at another end. The drill includes a small section formed between a tip and a large section. The drill further includes helical blades extending to the shank from the tip. The tap includes helical ribs each extending from a corresponding one of the helical blades and groups of tooth-shaped blades each evenly arranged along a corresponding one of the helical ribs. The tap includes a diameter larger than that of the large section of the drill. | ||||||
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