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    • 81. 发明申请
    • THREAD FORMING TAP
    • 螺纹形状
    • US20120107063A1
    • 2012-05-03
    • US13379535
    • 2009-07-07
    • Kentaroh NorimatsuTakayuki MatsushitaHironori Yamamoto
    • Kentaroh NorimatsuTakayuki MatsushitaHironori Yamamoto
    • B23D77/00
    • B23G7/02Y10T408/89
    • A thread forming tap has a full thread portion and a leading portion contiguous with the full thread portion and reducing in diameter toward its tip. The full thread and leading portions are provided with external thread on which lobes and recesses are alternately formed. When δ represents an angle around a tool center line toward a thread forming side, the shape of the lobe varies along a quadratic curve relative to angle δ so that relief amount increases toward inflection point angle θ. However, in a rough plastic deformation section where angle δ is greater than inflection point angle θ and exceeds the working region, the shape varies along an Archimedean curve with clearance angle α1 so that the relief amount increases linearly relative to angle δ, and a margin section is substantially zero or within a range where angle δ is less than or equal to 1°.
    • 螺纹成型丝锥具有全螺纹部分和与全螺纹部分相邻的引导部分,并且朝向其末端减小直径。 全螺纹和引导部分设置有外螺纹,其上交替地形成有凸角和凹槽。 当δ表示围绕工具中心线朝向螺纹形成侧的角度时,凸角的形状沿着相对于角度δ的二次曲线变化,使得释放量朝向拐点角度θ增加。 然而,在角度δ大于拐点角度的粗糙塑性变形部分中; 并且超过工作区域,形状沿着具有间隙角α1的阿基米德曲线变化,使得释放量相对于角度δ线性增加,并且边缘部分基本上为零或在角度δ小于或等于1的范围内 °。
    • 83. 发明授权
    • Expandable multi-flute reamer with tapered pin
    • 可扩展多槽扩孔钻头
    • US08123442B2
    • 2012-02-28
    • US12412404
    • 2009-03-27
    • Marcus PaulXaver SpichtingerThomas Bobos
    • Marcus PaulXaver SpichtingerThomas Bobos
    • B23D77/00
    • B23D77/006B23D77/10B23D2277/205Y10T408/455Y10T408/858Y10T408/85843Y10T408/8588Y10T408/85892Y10T408/909
    • An expandable reamer includes a shank portion, a cutting portion extending from the shank portion, and a tapered pin capable of being at least partially received in the cutting portion. The cutting portion includes a plurality of blades separated by flutes, and a tapered inner surface with threads. The tapered pin includes a tapered outer surface with threads and causes expansion or contraction of the cutting portion when the tapered pin is screwed or unscrewed into the cutting portion. In one embodiment, a coolant channel extends from a coolant cavity through a wall of the cutting portion to provide fluid to the blades during machining of through-holes. In another embodiment, the tapered pin includes a coolant passage in fluid communication with the coolant cavity to provide fluid to the blades during machining of blind holes.
    • 可扩展铰刀包括柄部,从柄部延伸的切割部分和能够至少部分地接收在切割部分中的锥形销。 切割部分包括由槽纹分隔开的多个叶片以及具有螺纹的锥形内表面。 锥形销包括具有螺纹的锥形外表面,并且当锥形销螺纹拧入切割部分时,导致切割部分的膨胀或收缩。 在一个实施例中,冷却剂通道从冷却剂腔延伸通过切割部分的壁,以在加工通孔期间向叶片提供流体。 在另一个实施例中,锥形销包括与冷却剂腔流体连通的冷却剂通道,以在盲孔加工期间向叶片提供流体。
    • 84. 发明授权
    • Cutting head of a reamer
    • 铰刀的切割头
    • US08109701B2
    • 2012-02-07
    • US12246854
    • 2008-10-07
    • Philip Shaheen
    • Philip Shaheen
    • B23D77/00
    • B23D77/00B23D2277/02B23D2277/205B23D2277/30Y10T407/245Y10T408/909Y10T408/95
    • A cutting head of a reamer has a cutting head forward end, a cutting head rear end distal the cutting head forward end, and a peripheral surface therebetween. The peripheral surface has at least two wiping pads that extend rearwardly from the cutting head forward end. At least one cutting section extends between two consecutive wiping pads and has a chip evacuation flute that extends rearwardly from the cutting head forward end and a cutting edge that is formed at the intersection of a rake surface and a relief surface. A chip former extends rearwardly from the rake surface. The chip former has a front portion that is slanted rearwardly and downwardly from the rake surface, and, a rear portion that is slanted rearwardly and upwardly with respect to the rake surface. A rear end of the rear portion joins the chip evacuation flute and form therewith a forming internal angle.
    • 铰刀的切割头具有切割头前端,在切割头前端远端的切割头后端及其间的周边表面。 外周表面具有至少两个从切割头前端向后延伸的擦拭垫。 至少一个切割部分在两个连续的擦拭垫之间延伸并且具有从切割头前端向后延伸的切屑排出槽和形成在前表面和浮雕表面的交叉处的切割边缘。 切屑机从前刀面向后延伸。 切屑成形器具有从前刀面向后倾斜的前部,以及相对于前刀面向后方向倾斜的后部。 后部的后端连接排屑槽并形成成形内角。
    • 85. 发明申请
    • High Speed Industrial Hole Saw for Production Line Applications
    • 高速工业用孔锯生产线应用
    • US20080267725A1
    • 2008-10-30
    • US11741774
    • 2007-04-30
    • Stanley Luke Mills
    • Stanley Luke Mills
    • B23D77/00
    • B23B51/0453B23B51/0473B27B5/12Y10T408/893
    • Although useful in many industrial applications for wood, plastic or non-ferrous metals, this original form of this concept is tailored to the wood I-joist industry. One of the benefits of using wooden I-joist construction versus conventional sawn lumber joists is the ability of cutting holes for duct work and other mechanicals to pass through the system. For this to occur in an industrial environment extreme requirements must be met. The cutting rate for a production machine of this type must be unusually fast for hole saw operations. The size of hole cut is necessarily quite large. Combined with an extreme cutting rate this produces unusually large torque and fatigue requirements. Because manual extraction of the cut material would be cumbersome and consume excessive time, a means of automatic ejection of the “divot” is required. With the varying depth and width of beams to be processed comes the need for simple, quick and accurate adjustment to the machine and multiple or variable cutting diameters.
    • 虽然在木材,塑料或有色金属的许多工业应用中很有用,但这种概念的这种原始形式是针对木材I-joist行业量身定做的。 使用木制I型托梁施工与常规锯切木材托梁的好处之一是能够切割管道工作和其他机械通过系统的孔。 为了发生在工业环境中,必须满足极端要求。 这种生产机器的切割速度对于孔锯操作必须非常快。 孔切口的尺寸必然相当大。 结合极端切割速度,这产生了非常大的扭矩和疲劳要求。 因为切割材料的手动提取将是麻烦的并且消耗过多的时间,所以需要“自动喷射”的手段。 随着要加工的梁的深度和宽度的变化,需要对机器进行简单,快速和准确的调整以及多个或可变切割直径。