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1. 发明申请

US20050271486A1 Low torque tap 有权
标题翻译：低扭矩丝锥
公开(公告)号：US20050271486A1
公开(公告)日：2005-12-08
申请号：US10862870
申请日：2004-06-07
申请人： Willard Henderer , Alan Barrows , Steven Burns , Dennis Greene
发明人： Willard Henderer , Alan Barrows , Steven Burns , Dennis Greene
IPC分类号： B23G5/06 , B23P15/52 , B27G15/00
CPC分类号： B23G5/06 , B23G2200/26 , B23G2225/12 , B23G2225/32 , B23G2225/36 , B23G2225/44 , B23G2225/52 , B23P15/52 , Y10T408/78 , Y10T408/9048
摘要： A low torque tap includes a shank portion with a driving square and a thread cutting portion. The thread cutting portion includes a threaded body with one or more asymmetrical straight flutes that run essentially parallel to a longitudinal axis of the tap. The thread cutting portion also includes one or more short angular flutes or spiral points and a tapered chamfer. For tapping steel alloys, the cutting edges of the straight flutes and the spiral points have a rake or chordal hook angle of between about 5 and 15 degrees. For tapping ferrous materials, the tap is made from molybdenum-enriched high-speed steel and may be coated with a wear-resistant, friction-reducing layer. A second, outer layer, such as molybdenum disulfide, may be applied over the wear-reducing layer for further reduction in friction. For tapping non-ferrous materials, the tap may be coated with a layer of material containing carbon.
摘要翻译：低扭矩分接头包括具有驱动方形和螺纹切削部分的柄部分。螺纹切割部分包括具有一个或多个基本上平行于龙头的纵向轴线延伸的不对称直槽的螺纹体。螺纹切削部分还包括一个或多个短角度凹槽或螺旋点和锥形倒角。对于钢铁合金，直槽和螺旋点的切削刃具有约5至15度之间的耙齿或弦杆钩角。对于黑色金属材料，龙头由富钼高速钢制成，可以涂覆耐磨，减摩层。可以在磨损减少层上施加第二外层，例如二硫化钼，以进一步减少摩擦。对于攻丝有色金属材料，龙头可以涂覆一层含碳材料。

2. 发明申请

US20050187026A1 Precision cemented carbide threading tap 有权
标题翻译：精密硬质合金螺纹丝锥
公开(公告)号：US20050187026A1
公开(公告)日：2005-08-25
申请号：US11108405
申请日：2005-04-18
申请人： Willard Henderer , Sadayuki Akaki
发明人： Willard Henderer , Sadayuki Akaki
IPC分类号： B23G5/06 , B21J13/02
CPC分类号： B23G5/06 , B23G2225/28 , Y10T408/78 , Y10T408/9048
摘要： A precision cemented carbide threading tap is designed for use in precision tool holders in synchronous high speed tapping. The precision tap includes a fully cylindrical shank without the aid of squares, flats or other notches. The precision tap further includes a threaded body portion and a threaded cutting chamfer portion. The threaded body portion and the threaded cutting chamfer portion of the precision tap are concentric to the cylindrical shank of the tap within a runout of 10 microns. The precision cemented carbide threading tap improves the accuracy, life and speed by which internal screw threads are produced.
摘要翻译：精密硬质合金螺纹丝锥设计用于同步高速攻丝的精密刀架。精密水龙头包括一个完全圆柱形的柄，无需广场，平面或其他缺口。精密分接头还包括螺纹主体部分和螺纹切削倒角部分。在10微米的跳动范围内，精密水龙头的螺纹体部分和螺纹切削倒角部分与龙头的圆柱形柄同心。精密硬质合金螺纹丝锥提高了生产内螺纹的精度，寿命和速度。

3. 发明申请

US20060127193A1 High-speed forming tap 有权
标题翻译：高速成型龙头
公开(公告)号：US20060127193A1
公开(公告)日：2006-06-15
申请号：US10549452
申请日：2004-03-02
申请人： Sadayuki Akaki , Masao Mitsui , Willard Henderer
发明人： Sadayuki Akaki , Masao Mitsui , Willard Henderer
IPC分类号： B23B51/00
CPC分类号： B23G5/06 , Y10T408/90467 , Y10T408/906
摘要： A high-speed forming tap (1) for cutting and forming a female screw by cutting edges (E) of a screw portion (2) fed in synchronous with the rotation of a machine tool. The high-speed forming tap is characterized in that chamfers (CF) are provided at a bevel lead (2a) of the screw part (2). The chamfers (CF) start from the cutting edge (E) and are provided along ridgelines (R) between a crest face (2e) and flanks, or a following flank (2c) and a leading flank (2d). This structure enables the shape of the edges of the tap leading portion to be stably maintained and high-speed, smooth female screw cutting with high accuracy, and provides a tap with long life.
摘要翻译：一种用于通过与机床的旋转同步进给的螺杆部分（2）的切削刃（E）切割和形成内螺纹的高速成形龙头（1）。高速成形龙头的特征在于，在螺钉部分（2）的斜面引线（2a）上设置倒角（CF）。倒角（CF）从切削刃（E）开始，并且沿着顶面（2e）和侧面之间的棱线（R），或后边缘（2c）和前侧面（2d）设置。这种结构使得龙头引导部分的边缘的形状能够稳定地保持，并且高精度地进行高速，平滑的内螺纹切割，并提供长寿命的丝锥。

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