JP2011110673A - Cutting tool - Google Patents
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- JP2011110673A JP2011110673A JP2009270879A JP2009270879A JP2011110673A JP 2011110673 A JP2011110673 A JP 2011110673A JP 2009270879 A JP2009270879 A JP 2009270879A JP 2009270879 A JP2009270879 A JP 2009270879A JP 2011110673 A JP2011110673 A JP 2011110673A
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Abstract
Description
本発明は、切削工具に関する。 The present invention relates to a cutting tool.
近年、スローアウェイ式の切削工具において、経済性の観点から、両面に切刃が形成されたネガティブ型の切削インサートが使用されている。このような切削インサートは、一方の面の切刃を用いる場合に、他方の面が着座面として使用されるため、他方の面の切刃がホルダと接触し、損傷する場合が生じる。したがって、このような不使用の切刃の損傷を低減するために、切削インサートとホルダとの間にシート部材が用いられる。 In recent years, negative type cutting inserts having cutting edges formed on both sides have been used from the viewpoint of economy in throw-away cutting tools. In such a cutting insert, when the cutting blade on one surface is used, the other surface is used as a seating surface, so that the cutting blade on the other surface may come into contact with the holder and be damaged. Therefore, a sheet member is used between the cutting insert and the holder in order to reduce the damage of such unused cutting blades.
例えば、特許文献１には、シート部材を用いる切削工具が開示されている。特許文献１では、シート部材および切削インサートの固定を強化する目的で、ネジ本体にネジ穴を有する第１のネジでシート部材を固定しておき、次にその第１のネジ本体のネジ穴に第２のネジを螺合することによりスローアウェイチップを固定するダブルネジ構造が用いられている。 For example, Patent Document 1 discloses a cutting tool using a sheet member. In Patent Document 1, for the purpose of strengthening the fixation of the sheet member and the cutting insert, the sheet member is fixed with a first screw having a screw hole in the screw main body, and then the screw hole of the first screw main body is fixed. A double screw structure that fixes the throw-away tip by screwing the second screw is used.
しかし、このようなダブルネジ構造は、シート部材を第１のネジで締め付けて固定する際に、シート部材が第１のネジの螺合方向に回転する場合があり、切削インサートの着座面の凹凸とシート部材の上面の凹凸が互いにずれて十分に固定できない場合がある。 However, in such a double screw structure, when the seat member is fastened and fixed with the first screw, the seat member may rotate in the screwing direction of the first screw. The unevenness on the upper surface of the sheet member may be displaced from each other and cannot be fixed sufficiently.
本発明の目的は、切削インサートの損傷が少なく、かつ安定に固定される切削工具を提供することにある。 An object of the present invention is to provide a cutting tool in which a cutting insert is less damaged and is fixed stably.
本発明の切削工具は、切削インサートと、ホルダと、シート部材と、第１ネジと、第２ネジと、を備える。切削インサートは、第１の面の縁部に位置する切刃と、前記第１の面とは反対側に位置する第２の面に位置する着座面と、前記第１の面と前記第２の面とを貫通する第１貫通孔と、を有する本体部を備える。ホルダは、切削インサートの前記第２の面の下方側に位置するとともに、第１ネジ固定穴が形成される装着面を有するインサートポケットを備える。シート部材は、前記着座面と前記装着面との間に配置され、上面に前記切削インサートの着座面に対応する着座部と、前記上面から下面に貫通する第２貫通孔を有する。第１ネジは、前記第２貫通孔に挿通し、前記第１ネジ固定穴に固定されることにより前記シート部材を固定するとともに、頭部に第２ネジ固定穴を有する。第２ネジは、前記第１貫通孔に挿通し、前記２ネジ固定穴に固定されることにより前記切削インサートを固定する。そしてシート部材の前記着座部は、前記シート部材を第１ネジで固定する場合に、前記切削インサートの着座面と一致することを特徴とする。 The cutting tool of the present invention includes a cutting insert, a holder, a sheet member, a first screw, and a second screw. The cutting insert includes a cutting edge located at an edge of the first surface, a seating surface located on a second surface opposite to the first surface, the first surface, and the second surface. And a first through hole penetrating the surface of the main body. The holder includes an insert pocket that is located below the second surface of the cutting insert and has a mounting surface on which a first screw fixing hole is formed. The seat member is disposed between the seating surface and the mounting surface, and has a seating portion corresponding to the seating surface of the cutting insert on the upper surface and a second through hole penetrating from the upper surface to the lower surface. The first screw is inserted into the second through hole and fixed to the first screw fixing hole to fix the sheet member, and has a second screw fixing hole in the head. The second screw is inserted through the first through hole and fixed to the two screw fixing hole, thereby fixing the cutting insert. And when the said sheet | seat member is fixed with a 1st screw | thread, the said seating part of a sheet | seat member corresponds with the seating surface of the said cutting insert.
ある実施態様においては、前記シート部材は、前記着座部に対して略相似形の外縁部を有し、前記着座部と前記外縁部とは、前記第２貫通孔の中心軸に対してずれて配置されていることを特徴とする。 In one embodiment, the seat member has an outer edge portion that is substantially similar to the seating portion, and the seating portion and the outer edge portion are displaced from a central axis of the second through hole. It is arranged.
ある実施態様においては、前記着座部と前記外縁部とは、前記第２貫通孔の中心軸に対して１．０度〜２．０度ずれて配置されていることを特徴とする。 In a certain embodiment, the said seat part and the said outer edge part are shifted | deviated by 1.0 degree-2.0 degree | times with respect to the central axis of the said 2nd through-hole, It is characterized by the above-mentioned.
本発明の被削加工物の製造方法は、上記切削工具を回転させて被削材に近づける工程と、被削材の表面に前記切削工具の切刃を接触させて前記被削材を切削する工程と、前記被削材から前記切削工具を離間させる工程と、を包含する。 The method of manufacturing a workpiece according to the present invention includes a step of rotating the cutting tool to bring it closer to the work material, and cutting the work material by bringing a cutting blade of the cutting tool into contact with the surface of the work material. And a step of separating the cutting tool from the work material.
本発明の切削工具によれば、シート部材の前記着座部が、前記シート部材を第１ネジで固定する場合に、前記切削インサートの着座面と一致するように配置されている。すなわち、第１ネジで締め付ける場合にシート部材が第１ネジの螺合方向に回転することを考慮して予めシート部材の着座部をずらして配置している。そのため、ダブルネジ構造において、切削インサートの着座面の凹凸とシート部材の上面に形成される上記着座面に対応する凹凸が互いずれることがなく、切削インサートが安定に固定される。 According to the cutting tool of the present invention, the seating portion of the seat member is disposed so as to coincide with the seating surface of the cutting insert when the seat member is fixed with the first screw. In other words, when the first screw is tightened, the seat member is disposed in advance so that the seat member rotates in the screwing direction of the first screw. Therefore, in the double screw structure, the unevenness of the seating surface of the cutting insert and the unevenness corresponding to the seating surface formed on the upper surface of the sheet member do not alternate, and the cutting insert is stably fixed.
以下、 図１〜図４を用いて、本発明の一実施形態である切削工具１（以下、単にインサート１と略す）について説明する。 Hereinafter, a cutting tool 1 (hereinafter simply referred to as an insert 1) according to an embodiment of the present invention will be described with reference to FIGS.
本発明の一実施形態である切削工具１は、切削インサート１０と、ホルダ２０と、シート部材３０と、第１ネジ４０と、第２ネジ５０と、を備える。なお、この切削工具１は、転削工具として用いられる。 A cutting tool 1 according to an embodiment of the present invention includes a cutting insert 10, a holder 20, a sheet member 30, a first screw 40, and a second screw 50. The cutting tool 1 is used as a turning tool.
切削インサート１０は、第１の面１１と、第１の面１１とは反対側に位置する第２の面１２とを有する本体部を備えている。この本体部は、具体的には、略板状であり、上面視において、四角形以上、具体的には、四角形、五角形、六角形、八角形などの当業者が通常インサートに使用する形状であればよい。図１および２においては、長さが等しい５つの長辺を有する略五角形の形状が用いられている。 The cutting insert 10 includes a main body portion having a first surface 11 and a second surface 12 located on the opposite side of the first surface 11. Specifically, the main body portion is substantially plate-shaped, and when viewed from above, it may be a quadrangle or more, specifically a quadrangle, a pentagon, a hexagon, an octagon, etc. That's fine. 1 and 2, a substantially pentagonal shape having five long sides having the same length is used.
この本体部において、第１の面１１の縁部には切刃１３が配置され、第２の面１２には着座面１４が形成され、そして第１の面１１と第２の面１２とを貫通するように、第１貫通孔１５が形成されている。 In this main body, a cutting edge 13 is disposed at the edge of the first surface 11, a seating surface 14 is formed on the second surface 12, and the first surface 11 and the second surface 12 are connected to each other. A first through hole 15 is formed so as to penetrate.
本体部は具体的には、図１および図２に示すように、側面が第１の面１１および第２の面１２に対して垂直に形成されている。すなわち第１の面１１および第２の面１２の両面をそれぞれすくい面として使用可能なネガティブ型のインサートである。したがって、インサート１は１０コーナー仕様のインサートである。この場合、第２の面１２と側面との交差稜線部においても切刃が形成されており、第２の面側の切刃を用いる場合、第２の面１２をすくい面、第１の面１１を着座面として使用することが可能である。なお、本発明のインサートにおいては、側面に逃げ角が付与された、いわゆるポジティブ型のインサートであってもよい。 Specifically, as shown in FIGS. 1 and 2, the main body has side surfaces formed perpendicular to the first surface 11 and the second surface 12. That is, it is a negative type insert that can be used as a rake face for both the first face 11 and the second face 12. Therefore, the insert 1 is a 10-corner insert. In this case, a cutting edge is also formed at the intersection ridge line portion between the second surface 12 and the side surface, and when the second surface side cutting blade is used, the second surface 12 is a scooping surface, the first surface. 11 can be used as a seating surface. The insert of the present invention may be a so-called positive type insert having a clearance angle on the side surface.
ホルダ２０は、切削インサートの第２の面１２の下方側に位置するとともに、第１ネジ固定穴２１が形成される装着面２２を有するインサートポケットを備えている。このインサートポケットは、ホルダ２０の先端側外周部に位置するように設けられており、そして切削インサート１０に形成された切刃１３がホルダ２０の先端部と外周部を向くように配置されている。切削工具１０は、ホルダ２０を回転させることによって切刃１３により切削が行われる。 The holder 20 is provided below the second surface 12 of the cutting insert and has an insert pocket having a mounting surface 22 in which the first screw fixing hole 21 is formed. The insert pocket is provided so as to be positioned on the outer peripheral portion on the tip end side of the holder 20, and the cutting blade 13 formed on the cutting insert 10 is disposed so as to face the front end portion and the outer peripheral portion of the holder 20. . The cutting tool 10 is cut by the cutting blade 13 by rotating the holder 20.
本実施形態においては、インサートポケットは、さらに装着面２２に対して略垂直に設けられる側壁を有しており、この側壁に切削インサートを当接することによって切削インサートの固定力を高めることができる。なお、切削インサート１０を第２ネジで締め付けた際に側壁に確実に当接させる観点から、切削インサート１０の第１貫通孔を、上記第１ネジ固定穴２０に対して偏心するように設けられている。 In the present embodiment, the insert pocket further has a side wall provided substantially perpendicular to the mounting surface 22, and the fixing force of the cutting insert can be increased by bringing the cutting insert into contact with the side wall. The first through hole of the cutting insert 10 is provided so as to be eccentric with respect to the first screw fixing hole 20 from the viewpoint of surely contacting the side wall when the cutting insert 10 is tightened with the second screw. ing.
シート部材３０は、着座面１４と装着面２２との間に配置され、上面に切削インサートの着座面１４に対応する着座部３１と、上面から下面に貫通する第２貫通孔３２を有する。シート部材３０は、例えば、切削インサート１０がネガティブ型の切削インサートである場合に、使用しない切刃（使用する切刃とは反対側の面に位置する切刃）がホルダの装着面に直接当接されて損傷することを低減する目的で設けられる。したがって、例えば、使用しない切刃が位置するシート部材３０の縁部は、側面視において、中央部に設けられる着座部に比べて低位に位置するように設けられている。 The seat member 30 is disposed between the seating surface 14 and the mounting surface 22 and has a seating portion 31 corresponding to the seating surface 14 of the cutting insert on the upper surface and a second through hole 32 penetrating from the upper surface to the lower surface. For example, when the cutting insert 10 is a negative type cutting insert, the sheet member 30 has a cutting blade that is not used (a cutting blade positioned on a surface opposite to the cutting blade to be used) directly applied to the mounting surface of the holder. It is provided for the purpose of reducing contact and damage. Therefore, for example, the edge portion of the sheet member 30 where the unused cutting blade is located is provided so as to be positioned lower than the seating portion provided in the central portion in a side view.
また、シート部材３０は、切削工具の切削を妨げない観点から、切削インサート１０より小さくなるように形成されている。 Further, the sheet member 30 is formed to be smaller than the cutting insert 10 from the viewpoint of not hindering cutting of the cutting tool.
着座部３１は、切削インサート１０の着座面１４に対応するように設けられている。本実施形態においては、切削インサート１０の拘束力を高める点から、着座部３１には切削インサート１０の着座面１４の凹凸に対応するような凹凸が形成されている。 The seating portion 31 is provided so as to correspond to the seating surface 14 of the cutting insert 10. In the present embodiment, in order to increase the restraining force of the cutting insert 10, the seating portion 31 is formed with unevenness corresponding to the unevenness of the seating surface 14 of the cutting insert 10.
着座部３１は、シート部材３０を第１ネジ４０で固定する場合に、切削インサート１０の着座面１４と一致する。このように、第１ネジ４０でシート部材３０を締め付けて固定する場合にシート部材３０が第１ネジ４０の螺合方向に回転する場合においても、ダブルネジ構造において、切削インサート１０の着座面１４の凹凸とシート部材３０の上面に形成される着座面１４に対応する凹凸が互いずれることがなく、切削インサート１０が安定に固定される。本実施形態においては、シート部材３０が、着座部３１に対して略相似形の外縁部３３を有し、着座部３１と外縁部３３とは、第２貫通孔３２の中心軸に対してずれて配置しているため、上記効果を達成することが可能である。なお、本明細書において、着座部に略相似形の外縁部とは、外縁部の少なくとも複数の辺が、対応する着座部の縁部の複数の辺と相似の関係にあればよく、形状自体が相似でなくてもよい。本実施形態においては、外縁部３３の３つの辺３３ａ〜３３ｃがそれぞれ、対応する着座部３１の３つの辺３１ａ〜３１ｃのそれぞれと相似の関係にある。したがって、例えば、外縁部３３ａと着座部の辺３１ａは、一方端から他方端に向かうにつれてその距離が小さくなるように配置されているが、外縁部３３ｂと着座部の辺３１ｂ、および外縁部３３ｃと着座部の辺３１ｃは、同じ位置関係を有している。なお、外縁部３３ｄおよび３３ｅは突出部を有しているが、例えば、外縁部３３ｄおよび外縁部３３ｅはそれぞれ、対応する着座部３１の３つの辺３１ｄ〜３１ｅのそれぞれと相似の関係にある。 The seating portion 31 coincides with the seating surface 14 of the cutting insert 10 when the seat member 30 is fixed with the first screw 40. Thus, even when the seat member 30 rotates in the screwing direction of the first screw 40 when the seat member 30 is fastened and fixed by the first screw 40, the seating surface 14 of the cutting insert 10 is formed in the double screw structure. The unevenness corresponding to the seating surface 14 formed on the upper surface of the sheet member 30 does not alternate, and the cutting insert 10 is stably fixed. In the present embodiment, the seat member 30 has an outer edge portion 33 that is substantially similar to the seat portion 31, and the seat portion 31 and the outer edge portion 33 are displaced with respect to the central axis of the second through hole 32. Therefore, the above effect can be achieved. In the present specification, the outer edge portion that is substantially similar to the seating portion is sufficient if at least a plurality of sides of the outer edge portion are similar to a plurality of sides of the corresponding edge portion of the seating portion, and the shape itself. May not be similar. In the present embodiment, the three sides 33 a to 33 c of the outer edge portion 33 are similar to the three sides 31 a to 31 c of the corresponding seating portion 31. Therefore, for example, the outer edge portion 33a and the side 31a of the seating portion are arranged so that the distance decreases from one end to the other end, but the outer edge portion 33b, the side 31b of the seating portion, and the outer edge portion 33c And the side 31c of the seating portion have the same positional relationship. In addition, although the outer edge parts 33d and 33e have a protrusion part, for example, the outer edge part 33d and the outer edge part 33e have a similar relationship with each of the three sides 31d to 31e of the corresponding seating part 31, respectively.
着座部３１と外縁部３３とは、具体的には、第２貫通孔３２の中心軸に対して１．０度〜２．０度ずれて配置されている。本実施形態においては、１．５度程度ずれて配置されている。 Specifically, the seating portion 31 and the outer edge portion 33 are arranged with a deviation of 1.0 to 2.0 degrees with respect to the central axis of the second through hole 32. In this embodiment, they are arranged with a shift of about 1.5 degrees.
第２貫通孔３２は、ホルダ２０に形成される第１ネジ固定穴２１の上方に位置し、着座部３１を貫通するように略円筒形状に形成されている。この第２貫通孔３２に第１ネジ４０を挿通し、第１ネジ固定穴で固定することによってシート部材３０が固定される。なお、本実施形態においては、第２貫通孔３２は、第１ネジ固定穴２１と同心円状となるように形成されている。 The second through hole 32 is located above the first screw fixing hole 21 formed in the holder 20 and is formed in a substantially cylindrical shape so as to penetrate the seat portion 31. The sheet member 30 is fixed by inserting the first screw 40 into the second through hole 32 and fixing the first screw 40 with the first screw fixing hole. In the present embodiment, the second through hole 32 is formed to be concentric with the first screw fixing hole 21.
第１ネジ４０は、前記第２貫通孔に挿通し、前記第１ネジ固定穴に固定されることにより前記シート部材を固定するとともに、頭部に第２ネジ固定穴を有する。 The first screw 40 is inserted into the second through hole and fixed to the first screw fixing hole to fix the sheet member, and has a second screw fixing hole in the head.
第２ネジ５０は、前記第１貫通孔に挿通し、第１ネジの頭部に位置する２ネジ固定穴に固定されることにより前記切削インサートを固定する。 The second screw 50 is inserted through the first through hole and fixed to a two-screw fixing hole located at the head of the first screw, thereby fixing the cutting insert.
本実施形態においては、このように第１ネジおよび第２ネジを有するいわゆるダブルネジ構造を有する。 In this embodiment, it has what is called a double screw structure which has a 1st screw and a 2nd screw in this way.
＜被削加工物の製造方法＞
本発明に係る被削加工物の製造方法は、上記切削工具（転削工具）を回転させて被削材に近づける工程と、被削材の表面に前記切削工具の切刃を接触させて前記被削材を切削する工程と、前記被削材から前記切削工具を離間させる工程と、を包含する。具体的な工程を以下に説明する。
<Manufacturing method of workpiece>
The method of manufacturing a workpiece according to the present invention includes a step of rotating the cutting tool (rolling tool) to bring it close to the workpiece, and bringing a cutting blade of the cutting tool into contact with the surface of the workpiece. A step of cutting the work material; and a step of separating the cutting tool from the work material. Specific steps will be described below.
まず、ホルダ２０にシート部材３０と切削インサート１０を装着する。 First, the sheet member 30 and the cutting insert 10 are mounted on the holder 20.
次いで、図５（ａ）に示すように、ホルダ２の回転軸Ｓを中心に矢印Ａ方向に回転させ、次いで、切削工具１を矢印Ｂ方向に動かし、切刃を被削材１００に近づける。さらに、図５（ｂ）に示すように、切削インサート１０の切刃を被削材１００の表面に接触させ、切削工具１０を矢印Ｃ方向に動かし、被削材の表面を切削する。例えば、切削工具１は、被削材の表面を略平行に切削することが可能である。 Next, as shown in FIG. 5A, the holder 2 is rotated in the direction of arrow A around the rotation axis S of the holder 2, and then the cutting tool 1 is moved in the direction of arrow B to bring the cutting edge closer to the work material 100. Furthermore, as shown in FIG.5 (b), the cutting blade of the cutting insert 10 is made to contact the surface of the workpiece 100, the cutting tool 10 is moved to the arrow C direction, and the surface of a workpiece is cut. For example, the cutting tool 1 can cut the surface of a work material substantially in parallel.
その後、図５（ｃ）に示すように、切削工具１を矢印Ｄ方向に動かし、被削材から切削工具１を離間させる。切削加工を継続する場合には、切削工具１を回転させた状態を保持して、被削材の異なる箇所に切削工具の切刃１４を接触させる工程を繰り返せばよい。 Then, as shown in FIG.5 (c), the cutting tool 1 is moved to the arrow D direction, and the cutting tool 1 is spaced apart from a workpiece. In the case of continuing the cutting process, the state in which the cutting tool 1 is rotated may be maintained and the process of bringing the cutting blade 14 of the cutting tool into contact with a different part of the work material may be repeated.
なお、使用している切刃が摩耗した際には、切削インサート１０を貫通穴の中心軸に対して回転させ、未使用の切刃を用いればよい。 When the cutting blade used is worn, the cutting insert 10 may be rotated with respect to the central axis of the through hole and an unused cutting blade may be used.
以上、本発明にかかるいくつかの実施形態について例示したが、本発明は上述した実施形態に限定されるものではなく、本発明の要旨を逸脱しない限り任意のものとすることができることは言うまでもない。 As mentioned above, although several embodiment concerning this invention was illustrated, this invention is not limited to embodiment mentioned above, It cannot be overemphasized that it can be made arbitrary, unless it deviates from the summary of this invention. .
１ 切削工具
１０ 切削インサート
１１ 第１の面
１２ 第２の面
１３ 切刃
１４ 着座面
１５ 第１貫通孔
２０ ホルダ
２１ 第１ネジ固定穴
２２ 装着面
３０ シート部材
３１ 着座部
３２ 第２貫通孔
３３ 外縁部
４０ 第１ネジ
５０ 第２ネジ
DESCRIPTION OF SYMBOLS 1 Cutting tool 10 Cutting insert 11 1st surface 12 2nd surface 13 Cutting edge 14 Seating surface 15 1st through-hole 20 Holder 21 1st screw fixing hole 22 Mounting surface 30 Sheet | seat member 31 Seating part 32 2nd through-hole 33 Outer edge 40 First screw 50 Second screw
Claims (4)
前記切削インサートの前記第２の面の下方側に位置するとともに、第１ネジ固定穴が形成される装着面を有するインサートポケットを備えるホルダと、
前記着座面と前記装着面との間に配置され、上面に前記切削インサートの着座面に対応する着座部と、前記上面から下面に貫通する第２貫通孔を有するシート部材と、
前記第２貫通孔に挿通し、前記第１ネジ固定穴に固定されることにより前記シート部材を固定するとともに、頭部に第２ネジ固定穴を有する第１ネジと、
前記第１貫通孔に挿通し、前記２ネジ固定穴に固定されることにより前記切削インサートを固定する第２ネジと、
を備え、
前記シート部材の前記着座部は、前記シート部材を第１ネジで固定する場合に、前記切削インサートの着座面と一致することを特徴とする、切削工具。 A cutting blade located at an edge of the first surface, a seating surface located on a second surface opposite to the first surface, the first surface and the second surface A cutting insert comprising a body portion having a first through-hole penetrating;
A holder having an insert pocket located on the lower side of the second surface of the cutting insert and having a mounting surface on which a first screw fixing hole is formed;
A seat member disposed between the seating surface and the mounting surface, having a seating portion corresponding to the seating surface of the cutting insert on the upper surface, and a second through-hole penetrating from the upper surface to the lower surface;
A first screw that is inserted through the second through hole and fixed to the first screw fixing hole to fix the sheet member, and has a second screw fixing hole in the head;
A second screw that is inserted through the first through hole and fixed to the two screw fixing hole to fix the cutting insert;
With
The seating portion of the seat member coincides with the seating surface of the cutting insert when the seat member is fixed with a first screw.
被削材の表面に前記切削工具の切刃を接触させて前記被削材を切削する工程と、
前記被削材から前記切削工具を離間させる工程と、
を包含する、被削加工物の製造方法。 A step of rotating the cutting tool according to any one of claims 1 to 3 to approach the work material;
Cutting the work material by bringing a cutting edge of the cutting tool into contact with the surface of the work material; and
Separating the cutting tool from the work material;
A method for manufacturing a work piece, comprising:
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| JP2015150661A (en) * | 2014-02-17 | 2015-08-24 | 三菱マテリアル株式会社 | Wiper insert and blade replaceable type front miller |
| JP2017113850A (en) * | 2015-12-25 | 2017-06-29 | 京セラ株式会社 | Cutting tool tip and method for manufacturing the same |
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| JP2015150661A (en) * | 2014-02-17 | 2015-08-24 | 三菱マテリアル株式会社 | Wiper insert and blade replaceable type front miller |
| JP2017113850A (en) * | 2015-12-25 | 2017-06-29 | 京セラ株式会社 | Cutting tool tip and method for manufacturing the same |
| WO2017111001A1 (en) * | 2015-12-25 | 2017-06-29 | 京セラ株式会社 | Tip for cutting tool, cutting tool, and method for manufacturing same |
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