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1. 发明专利

JP2000117512A THROW-AWAY TIP 失效
公开(公告)号：JP2000117512A
公开(公告)日：2000-04-25
申请号：JP28915998
申请日：1998-10-12
申请人： DIJET IND CO LTD
发明人： SUMITA TERUYUKI , KO NAGAAKI , NAKADA TOSHIYA
IPC分类号： B23B27/16
摘要： PROBLEM TO BE SOLVED: To simply and surely identify various conditions such as cutting purposes and utilizations by providing the circumference of a fitting hole with a pattern or a recess pattern showing the characteristics of a throw-away tip. SOLUTION: A throw-away tip 10 having a small nose R of nose parts 12a, 12b is provided with a ring recess pattern 11a having a waveform circumferential edge in the circumference of a fitting hole 11 provided in its center. A throw-away tip 20 having a large nose R of nose parts 22a, 22b is provided with a ring recess pattern 21a having the circular circumferential edge in the circumference of a fitting hole 21 provided in its center. In this way, the throw-away tips 10, 20 having different noses R of the nose parts 12a, 12b, 22a, 22b are provided with different recess pattern 11a, 21a in the circumferences of the fitting holes 11, 21 respectively so that the throw-away tips 10, 20 can be easily identified.

2. 发明专利

JP2007038344A End mill 审中-公开
标题翻译：末端铣刀
公开(公告)号：JP2007038344A
公开(公告)日：2007-02-15
申请号：JP2005225168
申请日：2005-08-03
申请人： Dijet Ind Co Ltd , ダイジ▲ェ▼ット工業株式会社
发明人： YUKINARI SHINJI , NAKADA TOSHIYA
IPC分类号： B23C5/10
摘要： PROBLEM TO BE SOLVED: To restrain the occurrence of a cutting mark called a feed mark to stably perform base finishing with good finishing surface accuracy even when high-speed machining or high-feed machining is performed or an end mill is a little tilted and inclined in the actual cutting, in an end mill for finishing the base of cut material.
SOLUTION: A corner part 13 where a bottom blade 11 and an outer peripheral blade 12 intersect each other at the end part of a tool body 10 is formed like a circular arc, and the bottom blade is formed like a circular arc from the circular-arc corner part to be projected toward the top. When the radial distance from the center position of the circular arc of the bottom blade to the outer peripheral end of the outer peripheral blade is (a), the radius of the circular arc of the bottom blade is taken as R, and the diameter of rotational locus of the outer peripheral blade at the tip of the tool body is D, the value of a/D ranges from 0.01 to 0.15, and the above radius R ranges from 3D to 10D.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了抑制称为进给标记的切割标记的发生，即使进行高速加工或高速进给机械加工，或端铣刀有点小，即使具有良好的精加工表面精度也能稳定地执行基底精加工在实际切割中倾斜和倾斜，在端铣刀中完成切割材料的基部。解决方案：底部刀片11和外周刀片12在工具主体10的端部处彼此相交的角部13形成为圆弧状，底部刀片形成为圆弧状将圆弧角部分投射到顶部。当从底部叶片的圆弧的中心位置到外围叶片的外周端的径向距离为（a）时，底部叶片的圆弧半径取为R，直径外周刀片在工具主体前端的旋转轨迹为D，a / D的值为0.01〜0.15，上述半径R的范围为3D〜10D。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2007030088A Throw-away type rotary cutting tool and rotary cutter 审中-公开
标题翻译：滚轮式旋转切割工具和旋转切割机
公开(公告)号：JP2007030088A
公开(公告)日：2007-02-08
申请号：JP2005215493
申请日：2005-07-26
申请人： Dijet Ind Co Ltd , ダイジ▲ェ▼ット工業株式会社
发明人： YOKOYAMA HIROYUKI , NAKADA TOSHIYA , UCHIUMI FUMIO
IPC分类号： B23C5/10
摘要： PROBLEM TO BE SOLVED: To efficiently perform stable and high-feed cutting by restraining degradation of rigidity of a throw-away type rotary cutting tool or clogging of chips during engraving.
SOLUTION: In this throw-away type rotary cutting tool, a plurality of chip pockets 12 are provided at required spaces in the circumferential direction on the outer peripheral part at the tip side of a columnar or thick cylindrical tool body 10, a tip mounting part 13 is provided on the surface on the rear side in the rotating direction of the chip pocket, and a throw-away tip 20 is fitted to each tip mounting part to take the bottom blade 21 as the main cutting blade. The diameter D of the tip part of the tool body to which the throw-away tip is fitted, and the diameter D1 of the rear end face where the tool body is fitted to the rotary device, satisfy an expression: 1>D1/D≥0.9, and a chip discharge groove 16 is provided continuously from the chip pocket to the rear end face of the tool body.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过抑制抛弃式旋转切削工具的刚性劣化或雕刻中的切屑堵塞来有效地进行稳定和高进给切割。解决方案：在该抛弃式旋转切削工具中，在柱状或厚圆柱形工具体10的前端侧的外周部分上沿圆周方向的所需空间设置多个切屑槽12，尖端安装部13设置在芯片袋的旋转方向的后侧的表面上，并且将丢弃尖端20装配到每个末端安装部分以将底部叶片21作为主切割刀片。刀具本体的前端部的直径D与刀具本体嵌合于旋转装置的后端面的直径D1满足以下表达式：1> D1 / D ≥0.9，并且切屑排出槽16从切屑槽连续地设置到工具主体的后端面。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2002046013A THROWAWAY TIP AND BALL END MILL 失效
公开(公告)号：JP2002046013A
公开(公告)日：2002-02-12
申请号：JP2000235510
申请日：2000-08-03
申请人： DIJET IND CO LTD
发明人： NAKADA TOSHIYA , CHANO NAOAKI
IPC分类号： B23C5/22 , B23C5/10 , B23C5/16
摘要： PROBLEM TO BE SOLVED: To perform accurate cutting for a long time stably by restraining a cutting edge adjacent to the center of the tip section of a throwaway tip from breaking during cutting in the ball end mill at the tip of the body of which a throwaway tip, wherein a cutting edge is formed on both sides separated from the center of an arc shape tip section, is attached. SOLUTION: In the throwaway tip comprising the cutting edges 11a and 11b formed separated from the center O of the arc shape tip, the cutting edges 11a and 11b on both sides are formed so that they do not cross the center O, and that chisel width d between these cutting edges becomes not wider than 0.25 mm.

5. 发明专利

JP2006082136A Throw-away type rotating tool and its manufacturing method 审中-公开
标题翻译：深沟型旋转工具及其制造方法
公开(公告)号：JP2006082136A
公开(公告)日：2006-03-30
申请号：JP2004266150
申请日：2004-09-14
申请人： Dijet Ind Co Ltd , ダイジ▲ェ▼ット工業株式会社
发明人： UCHIUMI FUMIO , TAKITA HIDETOSHI , NAKADA TOSHIYA
IPC分类号： B23C5/06 , B23C5/10
摘要： PROBLEM TO BE SOLVED: To provide a throw-away type rotating tool mounting a roughly triangular throw-away tip on a tip seat of a chip pocket of a rotating tool main body and capable of restraining lowering of strength of the rotating tool main body in the case of increasing the number of the chip pockets, etc.
SOLUTION: This throw-away type rotating tool is constituted by positioning a main cutting blade 12 and a subsidiary cutting blade 13 on one side on the throw-away tip 10 provided with the main cutting blade 12 and the subsidiary cutting blade 13 roughly triangular and respectively crossing with each other at an angle of less than 180° between corner blades 11 of a corner part, mounting them on a seating surface 22a of the tip seat 22 provided on the chip pocket 21 and holding three cutting blade parts on two sides except for the one side on a side wall part 22b of the tip seat. At least one part of a wall surface 23 of the rotating tool main body on the opposite side of the tip seat is formed beyond a perpendicular line to the seating surface from an inner peripheral end of a bottom surface of the throw-away tip.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种抛弃式旋转工具，其将大致三角形的丢弃尖端安装在旋转工具主体的切屑槽的尖端座上并且能够抑制旋转工具的强度降低在增加芯片袋数量的情况下，主体等。解决方案：该抛弃式旋转工具通过将主切割刀片12和辅助切割刀片13定位在抛掷轮的一侧而构成，设置有主切割刀片12和副切割刀片13的大致三角形的分离刀片10，并且分别在角部件的角刀片11之间以小于180度的角度彼此交叉，将刀片安装在座椅表面22a上尖端座22设置在芯片槽21上，并且在尖端座的侧壁部22b上的一侧除了保持三个切割刀片部分之外。从顶端座的相反侧的旋转工具主体的壁面23的至少一部分，从脱离尖端的底面的内周端开始超过与座面垂直的线。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2001047306A THROW-AWAY TIP 失效
公开(公告)号：JP2001047306A
公开(公告)日：2001-02-20
申请号：JP22509099
申请日：1999-08-09
申请人： DIJET IND CO LTD
发明人： KO NAGAAKI , SUMITA TERUYUKI , NAKADA TOSHIYA
IPC分类号： B23B27/22 , B23B27/14
摘要： PROBLEM TO BE SOLVED: To provide a throw-away tip having a polygonal shape in a plane and furnished with a cutting blade at the outer edge of top face capable of preventing clogging of chip or melting fusion and assuring stable machining for a long period of time not only in the normal middle machining operation but also in the high-feed middle machining with a low depth of cut. SOLUTION: This throw-away tip is structured so that a first cutting face 12 having a plane polygonal shape and inclining down from a cutting blade 11 at the outer edge of the top face of the polygon shape and a second cutting face 13 inclining more than the first cutting face are formed continuously, is furnished with a breaker 15 bulging on its oversurface near a nose part 14, and provided with an angle-shaped auxiliary projection 16 directed to the breaker from the first cutting face near the nose part, wherein the condition θ1

7. 发明专利

JP2000117513A THROW-AWAY TIP AND THROW-AWAY TYPE BALL END MILL 失效
公开(公告)号：JP2000117513A
公开(公告)日：2000-04-25
申请号：JP29645398
申请日：1998-10-19
申请人： DIJET IND CO LTD
发明人： SUMITA TERUYUKI , TANAKA AKIHIRO , NAKADA TOSHIYA
IPC分类号： B23B27/16 , B23C5/10 , B23C5/20
摘要： PROBLEM TO BE SOLVED: To suppress the occurrence of chattering vibration when heavy cutting having high cutting resistance is effected by using a throw-away tips having a cutting edge in which nicks are formed, to perform high-efficient cutting with high cutting precision, to properly part cutting tips and properly discharge the chips, to prevent lowering of the strength of a throw-away tips due to the nicks, and to perform stable cutting throughout a long period. SOLUTION: In a throw-away tip 10 having a cutting edge 13 in which nicks 14 are formed, the nick is formed approximately in a 1/4 spherical state, and in a throw-away type ball end mill, the throw-away tip 10 is mounted on the rounded tip part of an end mill body.

8. 发明专利

JP2002210608A DRILL FOR HEAT-RESISTANT METAL 失效
公开(公告)号：JP2002210608A
公开(公告)日：2002-07-30
申请号：JP2001009002
申请日：2001-01-17
申请人： DIJET IND CO LTD
发明人： NAKADA TOSHIYA , TANAKA AKIHIRO
IPC分类号： B23B51/00
摘要： PROBLEM TO BE SOLVED: To carry out a stable drilling processing for a long period of time by inhibiting an expansion of a chip cut at a web thinning part and appropriately discharging the chip from the web thinning part through a chip discharge groove even in the case where a cutting speed is made faster in a drill for a heat-resistant metal for carrying out a drilling processing on a heat-resistant metal such as a titanium alloy or the like. SOLUTION: In the drill for heat-resistant metal, a plurality of chip discharge grooves 12 are provided on a drill body 11 and a plurality of radial cutting blades 13 are provided at a tip shrunk into a taper shape toward a tip of the drill body. A web thinning 14 is applied from the respective cutting blades toward a rotation center of the drill body. An inclination angle α of the web thinning part against an axis of the drill body is made to 45-65 deg., an angle βof the web thinning part against a rake surface 15 of the cutting blade is made to 70-90 deg. and a length (a) of the web thinning part exceeding from the cutting blade to the rotation center of the drill body is made to a range of 0.4-0.8 mm.

9. 发明专利

JP2000301407A THROW-AWAY TYPE ROLLING AND CUTTING TOOL 失效
公开(公告)号：JP2000301407A
公开(公告)日：2000-10-31
申请号：JP11170699
申请日：1999-04-20
申请人： DIJET IND CO LTD
发明人： TANAKA AKIHIRO , NAKADA TOSHIYA
IPC分类号： B23C5/06
摘要： PROBLEM TO BE SOLVED: To reduce cutting resistance, to suppress the breakage of a cutting edge of a throw-away chip, to reduce chatter at the time of cutting, and to perform satisfactory cutting in a throw-away type rolling and cutting tool attached with a plurality of throw-away chips to an outer peripheral part at a tip of a cutter main body in the peripheral direction at a required interval. SOLUTION: In this throw-away type rolling and cutting tool attached with a plurality of throw-away chips 20 to an outer peripheral part at a tip of a cutter main body 10 in the peripheral direction at a required interval, each throw-away chip is attached to the cutter main body with axial rake α of 30 deg. to 35 deg., radial rake γ of 0 deg. to -10 deg., and cutting edge inclination angle of 20 deg. to 30 deg., and the throw-away chip to which honing is applied with escape angle θ of an escape face of 30 deg. to 40 deg., honing width of 0.15 to 0.25 mm for a cutting edge 22, and honing angle β of 25 deg. or more and less than 30 deg. is used.

10. 发明专利

JP2001113408A THROWAWAY TYPE ROTATING TOOL 失效
公开(公告)号：JP2001113408A
公开(公告)日：2001-04-24
申请号：JP29054999
申请日：1999-10-13
申请人： DIJET IND CO LTD
发明人： KO NAGAAKI , NAKADA TOSHIYA , YAMAMOTO TSUTOMU
IPC分类号： B23C5/06 , B23C5/10 , B23C5/22 , B23C5/28
摘要： PROBLEM TO BE SOLVED: To secure stable cutting work for a long time with a throwaway type rotating tool that gets a rotary tool rotatably holding a round shaped throwaway chip attached at an outer peripheral part of a cutter main body attached to a main shaft spindle. SOLUTION: In a throwaway type rotating tool that gets a rotary tool 2 rotatably holding a throwaway chip 1 of round shape in a plane view attached at an outer peripheral part of a cutter main body 3 attached to a main shaft spindle 4, the rotary tool 2 comprised of a holder 20 comprised of a chip holding part 201 holding a throwaway chip and a rotation shaft 202, and a rotary tool main body 21 provided with a holder part 211 rotatably holding rotating shaft of the holder 20 through a rotation means 212 is used, and guide channels 2a, 3a, 4a, 5a guiding a cooling medium from the main shaft spindle 4 to the rotary tool main body 21 is provided.

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