TWI356741B

TWI356741B - Cutting tool

Info

Publication number: TWI356741B
Application number: TW95112168A
Authority: TW
Inventors: Gil Hecht
Original assignee: Iscar Ltd
Priority date: 2006-04-06
Filing date: 2006-04-06
Publication date: 2012-01-21

Description

1356741 九、發明說明：【發明所屬之技術領域】本發明關於具有切削嵌件之切削工具，該切削嵌件係以可卸離方式固定在一嵌件夹座中。【先前技術】在這種切削工具中，一切削嵌件可在數個鄰接區域鄰接於該嵌件夾座。在一切削操作期間，這些鄰接區域施加作用力至該切削喪件。這些作用力可使得該則嵌件在該嵌件夾座中取得較佳固定效果。 DE 100 12 821 A1揭露一種切削工具，其包括一嵌件夾座、及-固定於嵌件夾座之一冑固定部分之切削嵌件。此切削嵌件具有一嵌件軸線、及一具有第一壁、第二壁、第三壁及至少一操作切削段之周邊侧表面。嵌件夾座的固定部分包括第一、第二及第三支撐部。第一支撐部中至少一部分沿一第一鄰接區域鄰靠第一壁之一部分。第二支撐部中至少一部分沿一第二鄰接區域鄰靠第二壁之一部分。第三支撐部中至少一部分沿一第三鄰接區域鄰靠第三壁之一部分。第一、第二鄰接區域向下展開，而第二、第三鄰接區域向後展開。切削嵌件的第三壁並非面朝上。【發明内容】下列實施例及其態樣連同其系統、卫具及方法加以揭示及說明，但這僅意味作舉例及說明目的，而非限制其範圍。在-方面’本發明揭露一切削嵌件，其具有一具五摺旋轉對稱（five-fold r〇tati〇nal sy_etry)的嵌件軸線（b)。切削 110128-980120.doc 1356741 嵌件具有二相同對立之端表面、一沿嵌件轴線⑻轴向延伸且連接該兩端表面之圓柱形鑽孔、及定位㈣等端表面間且分割成五個相同之分段之一周邊側表面。各分段延伸於端表面之間，且位於—對㈣分段之間；各分段分別具有一切削段，各㈣段分別位於—前壁及—後壁之間，前壁位於-前表面上，後壁位於一後表面上；一分段之後表面及一相鄰分段之前表面在一角交會，該角形成該周邊側表1356741 IX. Description of the Invention: The present invention relates to a cutting tool having a cutting insert that is detachably secured in an insert holder. [Prior Art] In such a cutting tool, a cutting insert can abut the insert holder in a plurality of adjacent regions. These abutment regions apply a force to the cutting funnel during a cutting operation. These forces allow the insert to achieve a better fixation in the insert holder. DE 100 12 821 A1 discloses a cutting tool comprising an insert holder and a cutting insert fixed to a fixed portion of the insert holder. The cutting insert has an insert axis and a peripheral side surface having a first wall, a second wall, a third wall, and at least one of the cutting segments. The fixed portion of the insert holder includes first, second and third support portions. At least a portion of the first support portion abuts a portion of the first wall along a first abutment region. At least a portion of the second support portion abuts a portion of the second wall along a second abutment region. At least a portion of the third support portion abuts a portion of the third wall along a third abutment region. The first and second abutment regions are deployed downward, and the second and third abutment regions are deployed rearward. The third wall of the cutting insert is not facing upwards. The following examples and aspects thereof are disclosed and described in connection with the systems, the s In the present aspect, the invention discloses a cutting insert having an insert axis (b) having a five-fold rotational symmetry (five-fold r〇tati〇nal sy_etry). Cutting 110128-980120.doc 1356741 The insert has two identical opposing end surfaces, a cylindrical bore extending axially along the insert axis (8) and joining the ends of the end, and a positioning (four) equipotential surface and dividing into five One of the same segments has a peripheral side surface. Each segment extends between the end surfaces and is located between the - (four) segments; each segment has a cutting segment, each (four) segment being located between the front wall and the rear wall, and the front wall being located at the front surface Upper and rear walls are located on a rear surface; a segmented rear surface and an adjacent segment front surface meet at a corner, the corner forming the peripheral side table

面之-徑向最内側部分；且一分段之後表面與一相鄰分段之相鄰之前表面從該角沿著-遠離嵌件軸線(B)之方向向外展開（diverge)。 …在另一方面，本發明揭露一切削工具，其包括一如前所述的切削嵌件，且切削嵌件固定於—嵌件錢I該嵌件夾座包含-前m定部分及—後主體部分；該前固^部分包括-底座及-固定表面，該固定部分包含__第_支撑部、 -第二支撐部及一第三支撐部，該第一、第二及第三支撐 =均向底座橫向延伸。該m部之至少—部分鄰接（鄰靠）該切削嵌件之-第—分段之—後壁之至少—部分；該第 :支樓部之至少一部分鄰接（鄰靠）該切削嵌件之一第二分羧之一刖壁之至少一部分，第二分段與第一分段相鄰；該第三支撐部之至少一部分鄰接（鄰靠）該切削嵌件之一第三分段之後壁之至少一部分’第三分段與第二分段相鄰；該切削嵌件之第三分段之後壁大致面朝上。在又另一方面，本發明提供—切削工具，其包含一切削嵌件及一嵌件夾座；該切削嵌件包含一第一壁、一第二壁、 110128-980120.doc -6 - 135,6741 -：三壁及至少一切削段；該至少一切削段包含一定位於 -前刀面及釋放面之切削邊緣；該前刀面從該切削邊緣向錢伸，而該料面從❸相邊緣向下延伸並與該前刀面遠離。因此，於一切削操作期間，作用在該至少一切削段的切削力會以大致向下之方向朝該前刀面導引。該嵌件夹座包含一前固定部分及一後主體部分；該固定部分包含一第一支撐部、一第二支撐部及一第三支撐部；該第一支撐部之至少一部分係沿一第一鄰接區域鄰接該第一壁之至少刀’該第一支樓部之至少一部分係沿一第二鄰接區域鄰接該第二壁之至少一部分，及該第三支撐部之至少一部分係沿一第三鄰接區域鄰接該第三壁之至少一部分，其中該第一及第二鄰接區域向下展開（diverge)a該第二及第三鄰接區域向後展開。該嵌件夾座之第一、第二及第三支樓部，係藉由分別沿垂直該第一、第二及第三鄰接區域之方向對該切削嵌件施加反作用力來對作用在該至少一切削段上的切削力提供反作用力。該向後展開之第二及第三鄰接區域因而朝該主體部分、且遠離該至少一切削段施加向後聚集之反作用力，以助於將該切削嵌件定位於該嵌件夾座中。另外’該上述實施例提供該固定部分係一剛體及非彈性體之優點，其在受力時大致上不致變形，且因此可在該第一、第二及第三鄰接區域對切削嵌件提供大的作用力。除上述舉例態樣及實施例以外，其他態樣及實施例可參考文後附圖及研討下列詳細說明而逐漸明瞭。 110128-980120.doc 1356741 【實施方式】首先請參閱圖1，其顯示一具有一界定一前至後 (front-t〇-rear)方向之縱向工具轴線a之右手切削工具1 〇。可使用於開槽（grooving)操作、切斷（parting)操作、或轉動操作之切削工具1 〇具有一定位於一嵌件夾座丨4之前端的切削喪件12 °相同的切削嵌件12可供右手及左手切削操作，且因而可為該右手切削工具1〇(圖丨）或一左手切削工具（未顯示）的一部分。在此說明所指的是該右手切削工具1〇且指的是該切削嵌件12及嵌件夾座14，因為其出現在該右手切削工具10中，但也可關於一左手切削工具。該切削嵌件12可藉由形成沖壓及/或燒結一硬本體製造’該硬本體可由一例如像碳化鎢這類碳化粉或例如像陶磁材料及類似的任何其他適合材料製成。參Internati〇nalThe radially innermost portion of the face; and the adjacent front surface of a segmented rear surface and an adjacent segment diverge outwardly from the corner in a direction away from the insert axis (B). In another aspect, the present invention discloses a cutting tool comprising a cutting insert as previously described, and the cutting insert is fixed to the insert pocket I. The insert holder comprises a front portion and a rear portion a main body portion; the front fixing portion includes a base and a fixing surface, the fixing portion including a __th support portion, a second support portion and a third support portion, the first, second and third support portions Both extend laterally to the base. At least a portion of the m portion abuts (adjacent to) the at least a portion of the back wall of the cutting insert - at least a portion of the first branch portion abuts (adjacent) the cutting insert At least a portion of a second partial carboxylate wall, the second segment being adjacent to the first segment; at least a portion of the third support portion abutting (adjacent) at least one of the wall behind the third segment of the cutting insert A portion of the 'third segment is adjacent to the second segment; the third segment of the cutting insert has a wall that faces generally upward. In still another aspect, the present invention provides a cutting tool comprising a cutting insert and an insert holder; the cutting insert comprising a first wall, a second wall, 110128-980120.doc -6 - 135 , 6741 -: a three wall and at least one cutting section; the at least one cutting section includes a cutting edge located at a flank face and a release face; the rake face extends from the cutting edge to the money, and the face is from the ❸ phase The edge extends downwardly and away from the rake face. Therefore, during a cutting operation, the cutting force acting on the at least one cutting segment is directed toward the rake face in a generally downward direction. The insert holder includes a front fixing portion and a rear body portion; the fixing portion includes a first supporting portion, a second supporting portion and a third supporting portion; at least a portion of the first supporting portion is along a first At least a portion of the first branch portion adjoining at least a portion of the first wall portion adjoins at least a portion of the second wall along a second abutment region, and at least a portion of the third support portion is along a first The three abutting regions abut at least a portion of the third wall, wherein the first and second abutting regions diverge a and the second and third abutting regions are deployed rearward. The first, second and third branch portions of the insert holder are acted upon by applying a reaction force to the cutting insert in a direction perpendicular to the first, second and third abutting regions, respectively The cutting force on at least one of the cutting segments provides a reaction force. The rearwardly deploying second and third abutment regions thereby apply a rearwardly gathered reaction force toward the body portion and away from the at least one cutting segment to assist in positioning the cutting insert in the insert holder. In addition, the above embodiment provides the advantage that the fixing portion is a rigid body and a non-elastic body which is substantially not deformed when subjected to a force, and thus can provide the cutting insert in the first, second and third adjacent regions. Big force. In addition to the above-described exemplary embodiments and embodiments, other aspects and embodiments may be apparent from the following detailed description and the detailed description. 110128-980120.doc 1356741 [Embodiment] Referring first to Figure 1, there is shown a right hand cutting tool 1 具有 having a longitudinal tool axis a defining a front-to-rear direction. The cutting tool 1 for a grooving operation, a parting operation, or a turning operation can be provided with a cutting insert 12 of the same cutting edge 12° located at the front end of an insert holder 丨4. The right hand and left hand cutting operations, and thus may be part of the right hand cutting tool 1 (Fig. 丨) or a left hand cutting tool (not shown). The description herein refers to the right hand cutting tool 1 〇 and refers to the cutting insert 12 and the insert holder 14, as it appears in the right hand cutting tool 10, but may also be related to a left hand cutting tool. The cutting insert 12 can be formed by stamping and/or sintering a rigid body. The hard body can be made of a carbonized powder such as tungsten carbide or any other suitable material such as a ceramic material and the like. Internati〇nal

Carbide Data所出版的「World Directory and Handbook of"World Directory and Handbook of" by Carbide Data

Hardmetals」一書第五版，其一併於本案中參考說明。然而，該切削嵌件12也可由射出成型製造。該嵌件夾座14可由加工鋼或其他硬質材料形成。本發明在此將參考一非旋轉切削工具加以說明；然而，由此習於此技者將能瞭解，其同樣可應用至該切削嵌件以可分離方式固定的旋轉切削工具》必須注意的是，在整個說明書及請求項中出現的方向名詞，例如"前”、"後”、"上"、"下"及類似名詞，（及其衍生詞）僅為說明目的，而非限制文後請求項之範圍。此外，要注意的是，該等方向名詞"向下（d〇wn)"、，，之下及"下方（lower)"(及其衍生詞）界定相同的方向。 110128-980120.doc 1356741 請參閱圖2，該切削嵌件12具有一嵌件轴線B、二相同對立之端表面16(在圖2僅看到其中一者）及一定位於該等端表面16間之周邊側表面18。各端表面16具有一垂直該嵌件軸線B且軸向突出在該端表面16上方的平坦鄰接表面2〇(在圖 2看到其中一者）。該切削嵌件12之圓柱形鑽孔22沿該嵌件軸線B軸向延伸且開口至各鄰接表面20。該切削嵌件12沿該嵌件軸線B存在一五摺（f〇id)旋轉對稱配置，且該嵌件軸線B 具有一正向方向P及一沿其界定之相反負向方向N。另外請參閱圖3，其顯示一切削嵌件之側視圖。該側表面 18分成五個相同之分段24(a_e)。各分段24延伸於該等端表面16之間且位於一對緊鄰段24之間，其在圓角33交會，該圓角3 3形成該周邊側表面丨8之一徑向最内側部分。例如’ 分段24a位於段24b及24e之間。各分段24(a_e)分別具有一切削段26(a-e)’該等切削段26(a-e)分別位於一平坦前壁28(a e) 及一平坦後壁30(a-e)之間。各前壁28(a_e)面向該正向方向p 且緊鄰於該段24(a-e)之一正向端定位。各後壁3〇(a_e)面向該負向方向N且緊鄰於該分段24之一負向端定位。各切削段 26(例如參閱圖2)具有一位於一前刀面34及一釋放面36之間之切削邊緣32。各切削邊緣32延伸於該等端表面16間，且該前刀面34大致向該正向方向ρβ各後壁3〇位於一假想後表面31上，且各前壁28位於一假想前表面29上（僅一假想後表面31及一假想前表面29被標示^ 一分段之前表面“及一相鄰分段24之後表面31在角33(a_e)其中之—交會角33為切削嵌件之周邊側表面之徑向最内側部分。從角贿，相鄰 110128-980120.doc -9- U^b/41, 分段24之前、後表面29，3 1沿外展開。一遠離該嵌件軸線B之方向向The fifth edition of Hardmetals, which is also referred to in this case. However, the cutting insert 12 can also be manufactured by injection molding. The insert holder 14 can be formed from a process steel or other hard material. The invention will now be described with reference to a non-rotating cutting tool; however, it will be appreciated by those skilled in the art that it is equally applicable to rotary cutting tools in which the cutting insert is detachably fixed. Direction nouns appearing throughout the specification and claims, such as "before", "after", "up", "lower" and similar nouns (and their derivatives) are for illustrative purposes only. It does not limit the scope of the request. In addition, it should be noted that these directional nouns "down (d〇wn)",,, and "lower" (and their derivatives) define the same direction. 110128-980120.doc 1356741 Referring to Figure 2, the cutting insert 12 has an insert axis B, two identical opposing end surfaces 16 (only one of which is seen in Figure 2) and must be located at the end surfaces 16 The peripheral side surface 18 between. Each end surface 16 has a flat abutment surface 2 垂直 perpendicular to the insert axis B and axially projecting above the end surface 16 (one of which is seen in Figure 2). The cylindrical bore 22 of the cutting insert 12 extends axially along the insert axis B and opens to each abutment surface 20. The cutting insert 12 has a five-fold rotationally symmetric configuration along the axis B of the insert, and the insert axis B has a forward direction P and an opposite negative direction N defined therebetween. See also Figure 3, which shows a side view of a cutting insert. The side surface 18 is divided into five identical segments 24 (a_e). Each segment 24 extends between the end faces 16 and is located between a pair of immediately adjacent segments 24 which meet at a fillet 33 which forms a radially innermost portion of the peripheral side surface 丨8. For example, the segment 24a is located between segments 24b and 24e. Each segment 24 (a_e) has a respective segment 26 (a-e)' which is located between a flat front wall 28 (a e) and a flat rear wall 30 (a-e). Each front wall 28 (a_e) faces the forward direction p and is positioned adjacent one of the forward ends of the segment 24 (a-e). Each of the rear walls 3a (a_e) faces the negative direction N and is positioned adjacent to one of the negative ends of the segment 24. Each cutting segment 26 (see, for example, Figure 2) has a cutting edge 32 between a rake face 34 and a release face 36. Each of the cutting edges 32 extends between the end surfaces 16 and the rake face 34 is disposed on the imaginary rear surface 31 substantially in the forward direction ρβ, and each front wall 28 is located on an imaginary front surface 29 Upper (only one imaginary back surface 31 and one imaginary front surface 29 are marked ^ a segment front surface "and an adjacent segment 24 rear surface 31 at angle 33 (a_e) - intersection angle 33 is a cutting insert The radially innermost portion of the peripheral side surface. From the corner bribe, adjacent to 110128-980120.doc -9- U^b/41, before and after the segment 24, the outer surface 29, 3 1 is deployed outward. Direction of axis B

現在請參閱圖4及5 ’其分別顯示一嵌件夹座之立體圖及側視圖。該嵌件夾座14具有—前夾座面38及-對相反之平行的第一及第二側面4〇,42(僅該第一側面祁能被看見卜該第-及第二側面40’ 42沿該工具軸線A延伸，且該夾座面％位於該嵌件夾座u之前端。該丧件夹座14也分成一前固定部分44及-後主體部分46。該固定部分44具有—底座、 -螺紋孔50及一固定表面52。該底座48與該第一及第二側面40及42平行，且形成於該固定部分44中之孔％沿一夹座軸線Η延伸且開口至該底座48。該夾座軸線H垂直於該工具軸線A，且該固定表面52從該底座48沿該夾座軸線H垂直延伸至該第一側面40。Referring now to Figures 4 and 5', a perspective view and a side view, respectively, of an insert holder are shown. The insert holder 14 has a front clamping face 38 and a pair of opposite first and second sides 4〇, 42 (only the first side can be seen the first and second sides 40' 42 extends along the tool axis A, and the holder face % is located at the front end of the insert holder u. The funnel holder 14 is also divided into a front fixing portion 44 and a rear body portion 46. The fixing portion 44 has - a base, a threaded hole 50 and a fixing surface 52. The base 48 is parallel to the first and second sides 40 and 42 and the hole % formed in the fixing portion 44 extends along a clamping axis 且 and opens to the The base 48. The holder axis H is perpendicular to the tool axis A, and the fixing surface 52 extends perpendicularly from the base 48 along the holder axis H to the first side 40.

該底座48及該固定表面52界定一嵌件凹處54，該嵌件凹處在該夾座面38開口至該工具夾座14之前端，及開口至該第一側面40。該固定部分44具有一下凸塊％及一上凸塊 58 »該下凸塊56具有一根部6〇，該下凸塊係沿該固定表面 52之下支撲部62從該根部主要向上且稍向前及向後突出進入該嵌件凹處54。一具有沿其界定之軸向方向X的凸塊轴線 G位於該下凸塊56之根部60附近。該凸塊軸線G與該夾座軸線Η平行’且大致上位於該夾座軸線η的下方。該上凸塊58 係沿該固定表面52之上支撐部分64向前突出進入該嵌件凹處54。該固定表面52在其下支撐部分62具有一前第一支撐部66 110128-980I20.doc -10· 1356741 中文說明書替換頁⑽“月）叫咳下支γΓ支擇部68。該凸塊袖線G的轴線方向x大致上沿 Μ的路㈠分62€循-從㈣二切部68至㈣-支揮部 66的路住。該固定表面仿热姑u 您大致上向下面之弟三支撐部70 …'支撐部分64。該第一支撐部66位於一面-叫該第二支樓㈣位於一假想第二表面:二 ^亥第—支樓部7〇位於—假想第三表面71(圖5)。該假想第The base 48 and the securing surface 52 define an insert recess 54 that opens to the front end of the tool holder 14 and opens to the first side 40. The fixing portion 44 has a lower projection % and an upper projection 58. The lower projection 56 has a portion 6 沿. The lower projection is along the lower surface of the fixing surface 52. The branch portion 62 is mainly upward and slightly from the root portion. The insert recess 54 is projected forwardly and rearwardly. A lobe axis G having an axial direction X defined along it is located adjacent the root 60 of the lower lug 56. The lobe axis G is parallel to the pinch axis 且 and is substantially below the pinch axis η. The upper projection 58 projects forwardly into the insert recess 54 along the support portion 64 above the fixed surface 52. The fixing surface 52 has a front first supporting portion 66 at its lower supporting portion 62. 110128-980I20.doc -10·1356741 Chinese manual replacement page (10) "month" is called a coughing branch γΓ supporting portion 68. The bump sleeve line The axis direction x of G is roughly along the path of the Μ (1) divided by 62 € - from (4) the second cut 68 to the (4) - the branch 66. The fixed surface is like a hot gu, you are roughly the following three The support portion 70 ... 'support portion 64. The first support portion 66 is located on one side - the second branch (four) is located on an imaginary second surface: the second floor portion - the branch portion 7 is located on the imaginary third surface 71 ( Figure 5). The imaginary

一及第二表面67, 69在-遠離該第三支撐部70之方向向下展開’且該假想第二及第三表面69,71向後展開。現在清參閱圖6 ’其顯示該切削工具10之-初始組裝位 ^該切削嵌件12以其鄰接表面20(未顯示）之一大致面向該嵌件夹座14之底座48(如圖4及5所示）的方式置放在該嵌件凹處54中’且其分段24之—（如圖3所示）係—操作段25，該操作段具有一位於該切削工具1〇之前端的操作切削段27。在該操作切削段27中，該前刀面34從該切削邊緣32向後延伸，及該釋放面36從該切削邊緣32向下延伸且與該前刀面 3 4遠離.。在該切削工具1 〇中，在該正向方向p中緊鄰於該操作段之分段在此將指分段S1，且該剩餘三個遵循該正向方向p 之連續段將分別指分段S2，S3及S4。該分段S2的後壁30、該分段S3之前壁28及該分段S4之後壁30在此將分別指一第三壁76、一第二壁74及第一壁72。該切削嵌件12之第一、第二及第三壁72, 74, 76在該切削工具10之初始組裝位置中分別面向該嵌件夾座14之第一、第二及第三支撐部66，68，70。該第一及第二壁66，68向下 110128-1000906.doc -11 - 1356741 第095112168號專利申請案中文說明書替換頁(1〇〇年9'月）<曰展開，且該第二及第三壁68, 70向後展開。此外，在該切削工具10之初始組裝位置中，該嵌件夾座14之孔5〇(未顯示〕偏離該切削嵌件12之鑽孔22的中心。如此之離心率以致該夾座軸線Η相對於該嵌件軸線B向前及向後定位。—包括該夹座及該嵌件軸線Η，Β之假想軸平面I從一向前方向通過該凸塊軸線G。也就是說’該轴線平面I之一部分相對於該四塊轴線G向前定位。現在另請參閱圖7 ’其顯示該切削工具丨〇之最終組裝位置。為將該切削拔件12固定在敌件夾座14中，該切削工具 10之緊固器78透過該鑽礼22置放，且鎖入該孔5〇(如圖4及5 所示）。由於該鑽孔22及該孔50之離心率，該緊固器78鎖入 . 該孔50時係沿該軸線平面I在一從該嵌件軸線B通過該夾座軸線Η之方向，施加一偏壓力FB至該切削敌件12。該偏壓力 FB首先將該切削嵌件12推至一中間組裝位置，其中該切削嵌件分別以該第一壁72及第二壁μ承受該下支撐部分62之第一及第二支撐部的支撐。再者，該緊固器78鎖入該孔5〇施加一額外偏壓力Fb，進而將該切削嵌件向前及向下推進，且藉此形成一加載動量，此動量沿該軸線方向χ將該切削欣件12推進以致沿該凸塊軸線G旋轉，直到該切削嵌件j 2 之第三壁76承受該上支撐部分64的支撐。在該切削工具1 〇之最終組裝位置中，該第一壁72之一部为沿一第一鄰接區域80鄰接且承受該第一支撐部66之一部分的支撐，該第二壁74之一部分沿一第二鄰接區域82鄰接且承文该第二支撐部68之一部分的支撐，及該第三壁乃之 110128-1000906.doc •12· 1356741 第095112168號專利申請案中文說明書替換頁(100年9月）右Θ 一部分沿一第三鄰接區域84鄰接且承受該第三支撐部70之一部分的支撐。第一支撐部66、第二支撐部68及第三支撐部70構成該固定部分44之固定表面52及切削嵌件12之周邊側表面18之間的各個唯一鄰接表面（oniy abutment surfaces) 〇因此’該嵌件夾座14在一垂直於該第一鄰接區域80之方向施加一第一作用力R1 ’在一垂直於該第二鄰接區域82之方向施加一第二作用力R2至該切削嵌件12，及在一垂直於該第三鄰接區域料之方向施加一第三作用力R3至該切削嵌件12。該第二及第三作用力r2, R3在一朝該主體部分46之方向聚集至該嵌件轴線B後方之一點，且因此有助將該切削喪件12定位在該固定部分44中。要注意的是，在該切削工具10之最終組裝位置（p〇siti〇n) 中，一空隙59形成於該切削嵌件12及該上凸塊58之前部之間’該上凸塊位於該切削工具之前端且面向前。在一切削操作期間’該操作切削段2 7例如曝露至一大致向下導引之切削力Fc，此力包括在一假想操作平面〇中，而此平面較佳從一向前方向通過該凸塊轴線也就是說，該操作平面Ο之一部分相對於該凸塊軸線G向前定位。所以，該切削力FB較佳推進該切削嵌件12，以致額外承受該下支撐部分62的支撐且形成該加載動量，進而推動該切削嵌件 12以致在該軸線方向X沿該凸塊軸線G旋轉，及因此額外承受該上支撐部分64的支撐。因此，該切削力Fc較佳增加例如该第二及第二作用力R2，R3，這在該切削操作期間有助於將該切削喪件12定位於該固定部分44中。 110l28-1000906.doc -13- 1356741 該偏壓力fb及較佳另有該切削力Fc二者有助於該第一、第二及第三鄰接區域80, 82, 84之形成。換言之，該偏壓力 FB於一切削操作期間朝其在該切削工具1〇中位置，偏壓該切削嵌件12。所以，該偏壓力Fb可被稱作一預先加載力，這在一切削操作期間有助於穩定該操作切削段27在該切削工具1〇中的位置。這因而增加該切削工具1〇之切削精確度。在一切削操作期間，為阻止該切削力Fc作用在該切削嵌The first and second surfaces 67, 69 are deployed downward in a direction away from the third support portion 70 and the imaginary second and third surfaces 69, 71 are deployed rearward. Referring now to Figure 6, which shows the initial assembly of the cutting tool 10, the cutting insert 12 has a substantially abutment surface 20 (not shown) that faces the base 48 of the insert holder 14 (Fig. 4 The manner shown in Fig. 5 is placed in the insert recess 54 and its segment 24 (as shown in Fig. 3) is the operating section 25 having a front end of the cutting tool 1 The cutting section 27 is operated. In the operating cutting section 27, the rake face 34 extends rearwardly from the cutting edge 32, and the release face 36 extends downwardly from the cutting edge 32 and away from the rake face 34. In the cutting tool 1 ,, the segment immediately adjacent to the operating segment in the forward direction p will be referred to herein as segment S1, and the remaining three consecutive segments following the forward direction p will be segmented respectively S2, S3 and S4. The rear wall 30 of the segment S2, the front wall 28 of the segment S3 and the rear wall 30 of the segment S4 will be referred to herein as a third wall 76, a second wall 74 and a first wall 72, respectively. The first, second, and third walls 72, 74, 76 of the cutting insert 12 face the first, second, and third support portions 66 of the insert holder 14, respectively, in the initial assembled position of the cutting tool 10. , 68, 70. The first and second walls 66, 68 are downwardly 110128-1000906.doc -11 - 1356741, No. 095112168, the Chinese manual replacement page (1〇〇 9' month) <曰, and the second and The third walls 68, 70 are deployed rearward. Moreover, in the initial assembled position of the cutting tool 10, the aperture 5〇 (not shown) of the insert holder 14 is offset from the center of the bore 22 of the cutting insert 12. The eccentricity is such that the clamping axis Η Positioning forward and backward relative to the axis B of the insert. Include the clamping seat and the axis Η of the insert, the imaginary axis plane I of the cymbal passes through the bulge axis G from a forward direction. One portion of I is positioned forward relative to the four axes G. Referring now also to Figure 7 'which shows the final assembly position of the cutting tool 。. To secure the cutting insert 12 in the enemy holder 14, The fastener 78 of the cutting tool 10 is placed through the drill 22 and locked into the hole 5 (as shown in Figures 4 and 5). The fastening is due to the eccentricity of the bore 22 and the hole 50. The hole 78 is locked along the axis plane I along a direction from the insert axis B through the holder axis Η, applying a biasing force FB to the cutting enemy member 12. The biasing force FB is first The cutting insert 12 is pushed to an intermediate assembly position, wherein the cutting insert is respectively supported by the first wall 72 and the second wall Supporting the first and second support portions of the lower support portion 62. Further, the fastener 78 locks into the hole 5 and applies an additional biasing force Fb to advance the cutting insert forward and downward. And thereby forming a loading momentum that advances the cutting blank 12 along the axis direction so as to rotate along the bump axis G until the third wall 76 of the cutting insert j 2 receives the upper support portion 64. In a final assembly position of the cutting tool 1 之一, one of the first walls 72 is abutment along a first abutment region 80 and is supported by a portion of the first support portion 66, the second wall 74 a portion of the second adjacent region 82 abuts and supports a portion of the second support portion 68, and the third wall is 110128-1000906.doc •12·1356741 Patent Application No. 095112168 Sept. 100) A portion of the right ridge abuts along a third abutment region 84 and is supported by a portion of the third support portion 70. The first support portion 66, the second support portion 68, and the third support portion 70 constitute the fixed portion. 44 fixed surface 52 and cutting insert 12 Each of the only abutment surfaces between the peripheral side surfaces 18 is such that the insert holder 14 applies a first force R1 'in a direction perpendicular to the first abutment region 80 in a direction perpendicular to the A second force R2 is applied to the cutting insert 12 in the direction of the second abutting region 82, and a third force R3 is applied to the cutting insert 12 in a direction perpendicular to the third abutting region. The second and third forces r2, R3 are concentrated in a direction toward the body portion 46 to a point behind the axis B of the insert and thus assist in positioning the cutting fungus 12 in the fixed portion 44. It is to be noted that in the final assembly position (p〇siti〇n) of the cutting tool 10, a gap 59 is formed between the cutting insert 12 and the front portion of the upper bump 58. Cutting the front end of the tool and facing forward. During operation, the cutting segment 27 is exposed, for example, to a substantially downwardly directed cutting force Fc, the force being included in an imaginary operating plane, and the plane preferably passes through the bump from a forward direction The axis, that is to say, one of the operating planes is positioned forward relative to the cam axis G. Therefore, the cutting force FB preferably advances the cutting insert 12 such that it additionally receives the support of the lower support portion 62 and forms the loading momentum, thereby pushing the cutting insert 12 so as to be along the bump axis G in the axial direction X. Rotation, and thus additional support of the upper support portion 64. Therefore, the cutting force Fc preferably increases, for example, the second and second forces R2, R3, which assist in positioning the cutting fungus 12 in the fixed portion 44 during the cutting operation. 110l28-1000906.doc -13- 1356741 The biasing force fb and preferably the cutting force Fc both contribute to the formation of the first, second and third abutment regions 80, 82, 84. In other words, the biasing force FB biases the cutting insert 12 toward its position in the cutting tool 1 during a cutting operation. Therefore, the biasing force Fb can be referred to as a preloading force which helps to stabilize the position of the operating cutting section 27 in the cutting tool 1〇 during a cutting operation. This thus increases the cutting accuracy of the cutting tool. During a cutting operation, in order to prevent the cutting force Fc from acting on the cutting insert

件12且提供該第一、第二及第三作用力Rl，R2, R3，該固定部分44可具有一單一之單件式結構，其呈剛性且無彈性。這意謂該上凸塊58及下凸塊56可為該固定部分料之一整體 (integral)式且無彈性之部分。雖然本實施例已就一特定程度詳細說明，然而必須瞭解，多種變或及修改能得到，但不能偏離文後請 ^ 明之本發明範圍。【圖式簡單說明】不耗性貫施例在參考士〜丨两路t實确及圖形將視為說明而非限制°然❿，至於操作組織及方二者以及其物件、特性及優點之揭露經參考上述萍與參閱下列附圖可得到最佳之瞭解，其中： 5 圖1顯示根據本發明之切削工呈勘_ 刖具顯不一切削嵌件固定一嵌件夾座中之立體圖；圖2顯示一切削嵌件之立體圖，· 圖3顯示一切削嵌件之側視圖；圖4顯示一嵌件夾座之立體圖； H0J28-980I20.doc -14- 1356741 圖5顯示一嵌件夾座之側視圖；圖6顯示一切削工具且該切削嵌件定位在該嵌件夾座中的側視圖；及圖7顯示一切削工具且一切削嵌件固定在該嵌件夾座中的側視圖〇由此可瞭解，為求說明簡單及清楚’圖中所示元件不必依比例繪製。例如，某些元件尺寸為求清楚可相對於其他元件誇大顯示。再者，為求適當考量，圖形中相同的參考編號表示相同的元件。【主要元件符號說明】 10 切削工具 12 切削嵌件 14 嵌件夾座 16 端表面 18 周邊側表面 20 鄰接表面 22 圓柱形鑽孔 24(a-e)，Sl，S2, S3, S4 分段 25 操作段 26 切削段 27 操作切削段 28(a-e) 前壁 29 假想前表面 30(a-e) 後壁 110128-980120.doc -15- 135.6741And providing the first, second and third forces R1, R2, R3, the fixed portion 44 can have a single, one-piece construction that is rigid and inelastic. This means that the upper bump 58 and the lower bump 56 can be an integral and inelastic portion of the fixed portion. Although the present embodiment has been described in detail to a certain degree, it is to be understood that various changes and modifications may be made without departing from the scope of the invention. [Simple description of the diagram] The non-consumption of the application in the reference to the two roads, the actual and the graphics will be regarded as a description rather than a limitation. As for the operation of the organization and the parties and their objects, characteristics and advantages The best knowledge is obtained by reference to the above drawings and the following drawings, wherein: FIG. 1 shows a perspective view of a cutting insert in accordance with the present invention in which an insert insert is fixed in an insert holder; Figure 2 shows a perspective view of a cutting insert, Figure 3 shows a side view of a cutting insert; Figure 4 shows a perspective view of an insert holder; H0J28-980I20.doc -14- 1356741 Figure 5 shows an insert holder Figure 6 shows a side view of a cutting tool positioned in the insert holder; and Figure 7 shows a side view of a cutting tool with a cutting insert secured in the insert holder As can be appreciated, the elements shown in the drawings are not necessarily to scale. For example, some component sizes may be exaggerated relative to other components for clarity. Furthermore, for the sake of proper consideration, the same reference numerals in the figures denote the same elements. [Major component symbol description] 10 Cutting tool 12 Cutting insert 14 Insert holder 16 End surface 18 Peripheral side surface 20 Adjacent surface 22 Cylindrical borehole 24 (ae), Sl, S2, S3, S4 Section 25 Operating section 26 Cutting section 27 Operating cutting section 28 (ae) Front wall 29 Imaginary front surface 30 (ae) Rear wall 110128-980120.doc -15- 135.6741

31 假想後表面 32 切削邊緣 34 前刀面 36 釋放面 38 前夾座面 40 第一側面 42 第二側面 44 前固定部分 46 後主體部分 48 底座 50 孔 52 固定表面 54 嵌件凹處 56 下凸塊 58 上凸塊 59 空隙 60 根部 62 下支撐部分 64 上之撐部分 66 第一支撐部 67 假想第一表面 68 第二支樓部 69 假想第二表面 70 第三支撐部 110128-980120.doc -16- 1356741 71 72 74 76 78 80 82 8431 imaginary rear surface 32 cutting edge 34 rake face 36 release surface 38 front clamping surface 40 first side 42 second side 44 front fixing portion 46 rear body portion 48 base 50 hole 52 fixing surface 54 insert recess 56 lower convex Block 58 Upper bump 59 Clearance 60 Root 62 Lower support portion 64 Upper support portion 67 Imaginary first surface 68 Second branch portion 69 Imaginary second surface 70 Third support portion 110128-980120.doc - 16- 1356741 71 72 74 76 78 80 82 84

• A• A

BB

Fb - FcFb - Fc

G H IG H I

NN

OO

P R1 R2 R3P R1 R2 R3

X 假想第三表面第一壁第二壁第三壁緊固器第一鄰接區域第二鄰接區域第三鄰接區域縱向工具軸線嵌件軸線偏壓力切削力凸塊軸線夾座軸線軸線平面負向方向操作平面正向方向第一作用力第二作用力第三作用力轴線方向 110128-980120.doc -17-X imaginary third surface first wall second wall third wall fastener first abutment region second abutment region third abutment region longitudinal tool axis insert axis offset pressure cutting force cam axis clamping seat axis axis plane negative direction Operation plane forward direction first force second force third force axis direction 110128-980120.doc -17-

Claims

1356741 十、申請專利範圍：弟095112168號專利申請案中文申請專利範圍替換本(1〇〇年9月）谷每 1. 一種切削工具，其具有一界定一前至後方向之工具軸線 (A) ’該切削工具包括一切削嵌件、一嵌件夾座及一緊固器，該切削欣件具有一叙件軸線（B)、相反之端表面、一 a 該嵌件轴線而延伸於該等端表面間之鑽孔（22)及一位於該等端表面間之周邊側表面，該周邊側表面包括一第一壁、一第一壁、一第三壁及至少一操作切削段，該嵌件夾座包括一前固定部分及—後主體部分，該前固定部分包括一底座、一孔（50)及一固定表面，該孔沿一夾座軸線延伸並開口至該底座，該固定表面包含一第一支撲部一第二支樓部及—第三切部，其均朝底座橫向延伸，级弟一支撐部之至少 ▼非软第一壁之至少一部分’該第二支撐部之至少一部分沿一第二鄰接區域鄰靠該第二壁之至少—部分，且該第三支撑部之至少-部分沿—第三鄰接區域鄰靠該第三壁之至少一部分，其中該第-及該第二鄰接區域向下展開，該第二及該第三鄰接區域向後展開’且該第三壁大致面向上；及該緊固器位於該鑽孔（22)及該孔（5〇)中。 2.如請求们之切削工具，其令該至少_操作㈣段包括— 切削邊緣，該切削邊緣位於一前刀面及一釋放面之間，該前刀面從該切削邊緣向後延伸，且該釋放面從該切削 110128-1000906.doc1356741 X. Patent application scope: Patent application No. 095112168 Patent application Chinese patent application scope replacement (September 1st) Valley 1. A cutting tool having a tool axis defining a front-to-back direction (A) The cutting tool includes a cutting insert, an insert holder and a fastener having a reference axis (B), an opposite end surface, and a projection axis extending therefrom. a bore (22) between the equipotential surfaces and a peripheral side surface between the end surfaces, the peripheral side surface including a first wall, a first wall, a third wall and at least one operating cutting segment, The insert holder includes a front fixing portion and a rear body portion, the front fixing portion including a base, a hole (50) and a fixing surface extending along a clamping seat axis and opening to the base, the fixing surface Including a first branch portion, a second branch portion, and a third cut portion, both of which extend laterally toward the base, and at least a portion of the non-soft first wall of the support portion is at least a portion of the second support portion At least a part along a second neighbor The region abuts at least a portion of the second wall, and at least a portion of the third support portion abuts at least a portion of the third wall along the third abutment region, wherein the first and second abutment regions are downward Unfolding, the second and third abutment regions are deployed rearwardly and the third wall is substantially upwardly facing; and the fastener is located in the bore (22) and the bore (5〇). 2. The cutting tool of the requester, wherein the at least _operation (four) segment comprises - a cutting edge, the cutting edge being located between a rake face and a release face, the rake face extending rearward from the cutting edge, and the Release surface from the cutting 110128-1000906.doc

邊緣向下延伸且延伸遠離該前刀面β 3-如請求項1之切削工具，其中該固定性。刀係剛性且無彈 4·—種切削工具，其具有一界定一前至後方 - 』工具ΦΑ始 (Α)，該切削工具包括一切削嵌件及一嵌件夹座該切削嵌件具有一嵌件軸線（Β)及—周邊側表面包括一第一壁、一第二壁、一笛_ 乐三壁及至叹叫表面，該周少後主體部分，該前該固定表面包含一支撐部，其均朝底操作切削段該嵌件夾座包括一前固定部分及一固定部分包括一底座及一固定表面，第一支樓部、一第二支轉部及一第三座橫向延伸，該第-支撐部之至少一部分沿一第一鄰接區域鄰㈣ -壁之至少-部分，該第二支撐部之至少—部分沿一第第二鄰接區域鄰靠該第二壁之至少一部分，且該第三支撐部之至少-部分沿一第三鄰接區域鄰靠該第三壁之至少一部分，其中該第一及該第二鄰接區域向下展開，該第二及該第三鄰接區域向後展開，且該第三壁大致面向上；該切削嵌件之周邊側表面分割成五個相同之分段，各分段延伸於該等端表面之間，且位於一對相鄰分段之間；及各分段具有一位於一前壁及—後壁之間的切削段該刖壁位於該分段之前表面上，該後壁位於該分段之後表 110128-1000906.doc -2- 1356741 . . __— 7年7月么曰修(更)正替換頁面上。 5 ·如請求項4之切削工具，其中：該固定部分進一步包括：一孔（5〇)，其形成於該底座内，該孔（5 〇)沿一夾座轴線延伸並開口至該底座；該切削嵌件包括：相反之端表面，該周邊側表面位於該等端表面之 ^ 間；及一鑽孔（22) ’其沿位於該等端表面間之一嵌件轴線延伸；及該切削工具進一步包括： ' 一緊固器，其位於該鑽孔（22)及該孔（50)中。 6. 如請求項4之切削工具，其中：該成為相鄰分段之前表面及後表面在一角交會，該角形成该周邊侧表面之一徑向最内側部分；及 Φ 該成為相鄰分段之前表面及後表面從該角沿著一遠離喪件軸線（B)之方向向外展開。 7. 如請求項6之切削工具，其中：該第一壁為一第一分段之一後壁；该第二壁為一與該第一分段相鄰之一第二分段之驴壁；％ °亥第二壁為一與該第二分段相鄰之一第三分段之後壁0 8. —種組裝—切削工具之方法，包括： 110128-1000906.doc 頁 ^^月（日修(更)正替換提供一嵌件夾座’該嵌件夾座包括一前固定部分及一後主體部分，該前固定部分包括一底座、一形成於該底座内之孔（50)、一下方之前第一支樓部（66)、一下方之後第二支撐部（68)及一上方之第三支撐部（7〇)，該嵌件夾座之一凸塊軸線（G)與鄰近第一及第二支撐部之固定部分相交；乂供一切削嵌件，該切削喪件包括一嵌件軸線（B )、相反之端表面、一沿該嵌件軸線而延伸於該等端表面間之鑽孔（22)、一第一壁、一第二壁' 一第三壁及至少一切削段，该至少一切削段包括一切削邊緣，該切削邊緣位於一前刀面及一釋放面之間，該前刀面從該切削邊緣向後延伸，且該釋放面從該切削邊緣向下延伸且延伸遠離該前刀面；將該切削嵌件置入該固定部分中之一初始組裝位置，其中6玄第一壁（72)面對第一支樓部、該第二壁（74)面對第二支撐部、且該第三壁（76)面對第三支撐部；將一緊固器經過該切削嵌件之鑽孔而置入該形成於該底座内之孔（50)内；將該切削嵌件向前及向下推至一中間組裝位置，其中該第一壁及第二壁分別承受於該第一支撐部及第二支撐部；將該切削嵌件進一步向俞Α ;隹，η ** 乂门别及向下推進，且错此使該切削嵌件沿該凸塊軸線（G)旋轉，直到到達—最终組裝位置，其中除了該第一壁及第二壁分別承受於該第一支 I10I28-1000906.doc 1356741 /^。 ' -年7月上日修(更)正替換頁匕 °亥第三壁承受於該第三支撐 9.如該底座與該第-支撐部、第二切部;第三切部呈橫向’且該孔沿，夾座軸線延伸並開口至該底座，該凸塊軸線（G)大致平行於該夹座軸線、且與撐部下方之固定部分相交；。The edge extends downwardly and extends away from the rake face β 3- as in the cutting tool of claim 1, wherein the fixing is. The cutter is a rigid and non-elastic type of cutting tool having a front-to-rear-tool Φ start, the cutting tool includes a cutting insert and an insert holder. The cutting insert has a cutting insert The insert axis (Β) and the peripheral side surface comprise a first wall, a second wall, a flute wall and an sigh surface, the rear portion of the main body portion, the front fixing surface comprising a support portion The insert holder includes a front fixing portion and a fixing portion including a base and a fixing surface, and the first floor portion, the second branch portion and the third portion extend laterally. At least a portion of the first support portion is adjacent (four)-at least a portion of the wall along a first abutment region, and at least a portion of the second support portion abuts at least a portion of the second wall along a second adjacent region, and the portion At least a portion of the third support portion abuts at least a portion of the third wall along a third abutment region, wherein the first and second abutment regions are deployed downwardly, and the second and third abutment regions are deployed rearwardly. And the third wall is roughly Upward; the peripheral side surface of the cutting insert is divided into five identical segments, each segment extending between the end surfaces and located between a pair of adjacent segments; and each segment having a The cutting section between the front wall and the rear wall is located on the front surface of the section, and the rear wall is located after the section. Table 110128-1000906.doc -2- 1356741 . . . __ 7 July 7 Repair (more) is being replaced on the page. 5. The cutting tool of claim 4, wherein: the fixing portion further comprises: a hole (5 inch) formed in the base, the hole (5 〇) extending along a clamping seat axis and opening to the base The cutting insert includes: an opposite end surface, the peripheral side surface being located between the end surfaces; and a bore (22) 'extending along an insert axis between the end surfaces; The cutting tool further includes: 'a fastener located in the bore (22) and the bore (50). 6. The cutting tool of claim 4, wherein: the front surface and the rear surface of the adjacent segment meet at a corner, the corner forming a radially innermost portion of the peripheral side surface; and Φ the adjacent segment The front surface and the rear surface are flared outward from the corner in a direction away from the funnel axis (B). 7. The cutting tool of claim 6, wherein: the first wall is a rear wall of a first segment; the second wall is a wall of a second segment adjacent to the first segment; The second wall of the °H is a third segment adjacent to the second segment. The wall is 0. The method of assembling-cutting tools includes: 110128-1000906.doc page ^^month (day repair (more) Positive replacement provides an insert holder. The insert holder includes a front fixing portion and a rear body portion. The front fixing portion includes a base, a hole (50) formed in the base, and a lower portion a branch portion (66), a lower second support portion (68) and an upper third support portion (7〇), the insert holder has a bump axis (G) adjacent to the first and second portions The fixed portion of the support portion intersects; the cutting insert includes an insert axis (B), an opposite end surface, and a bore extending between the end surfaces along the axis of the insert ( 22) a first wall, a second wall 'a third wall and at least one cutting segment, the at least one cutting segment comprising a cutting a cutting edge located between a rake face and a release face, the rake face extending rearward from the cutting edge, and the release face extending downward from the cutting edge and extending away from the rake face; Inserting an insert into one of the initial assembled positions of the fixed portion, wherein the first wall (72) faces the first branch portion, the second wall (74) faces the second support portion, and the third wall (76) facing the third support portion; inserting a fastener through the bore of the cutting insert into the hole (50) formed in the base; pushing the cutting insert forward and downward And an intermediate assembly position, wherein the first wall and the second wall are respectively received by the first support portion and the second support portion; the cutting insert is further turned toward the Α Α, η ** 乂Propelling, and in error, rotating the cutting insert along the lobe axis (G) until reaching a final assembly position, wherein the first and second walls are respectively received by the first branch I10I28-1000906.doc 1356741 /^. ' - July in the last day of the repair (more) is replacing the page 匕 ° Hai third wall to bear in the first Supporting 9. the base and the first support portion, the second cut portion; the third cut portion is laterally 'and the hole extends along the clamping seat axis and opens to the base, the bump axis (G) is substantially parallel to The clamping seat axis intersects with a fixed portion below the struts;

撐部及第二支撐部之外部。 .,· ；r 請求項8之組裝异之方法，其中該切削嵌件包括一位於該等端表面間之周邊側表面，該周邊側表面包括該第一壁、該第二壁、該第三壁及該至少一切削段。 10. 如請求項8之組裝-切削工具之方法，其中於該初始組裝置中4切削肷件之该等端表φ纟中之一面對該固定部分之底座，且於該中間組裝位置中，該等端表面其中之一承受於該底座。 11. 如請求項8之組裝-切削工具之方法，其中該緊固器推進該切削嵌件使其到達中間組裝位置及最終組裝位置。 12·如請求項8之組裝一切削工具之方法，其中在初始組裝位置]間組裝位置及最終組裝位置處，該鑽孔相對於該孔（50)偏離。種刀削工具，其具有一界定-前至後方向之工具軸線 ()°亥切削工具包括一切削嵌件，該切削嵌件在一嵌件夾座中具有五摺旋轉對稱配置；該切削嵌件具有一嵌件軸線（Β)，並包括：二相同對立之端表面； 110128-1000906.doc 丄 ^241_ 月t日修(更)正替換頁 · L — 一穿透之鑽孔（22)，其沿嵌件轴線（B)軸向延伸且連接該兩相同對立端表面；及一周邊側表面，其位於該等端表面間，且分割成五個相同之分段，其中：各分段延伸於該等端表面之間，且位於一對相鄰分段之間；各分段具有一位於一前壁及一後壁之間之切削段，該刖壁位於一前表面上，該後壁位於一後表面上；一分段之後表面及一相鄰分段之相鄰前表面在一角交會°亥角开》成δ亥周邊側表面之一徑向最内側部分；及一第一分段之後表面與一第二分段之相鄰前表面從該角沿著一遠離嵌件軸線（Β)之方向向外展開，其中該第二分段與該第一分段相鄰；該嵌件夹座包括：一前固定部分及一後主體部分，該前固定部分包括一底座及固定表面，該固定表面包含一第一支撐部、—第二支撑部及-第三支樓部，其均朝底座橫向延伸；其中該第一支撐部之至少一部分鄰靠該切削嵌件之一第一分段之一後壁之至少—部分； S亥第一支撐部之至少一部分鄰靠該切削嵌件之一第二分段之一前壁之至少一邹分；其中該第二分段與第—分段相鄰； a玄第二支撐部之至少一部分鄰靠該切削嵌件之一第三 110128-1000906.doc -6 · 1356741 分段之一後壁之至少一部分段相鄰；及 Μ月&曰修(更)正替換頁其中該第三分段與第二分該切削後件之該第三分段之該後壁大致面朝上。 14. 如請求項13之切削卫具，其中該第一支樓部第二支揮部及第二支撐部構成該固定部分及切削嵌件之周邊側表面之間的各個唯一鄰接表面。 15. 如請求項13之切削工具，其中該固定部分具有單一之單件式結構。 16. 如請求項13之切削工具，進一步包括：一緊固器，其通過該切削嵌件之該穿透之鑽孔（22)，並延伸至一形成於該底座内之孔（50)中，該（50)沿一夾座轴線延伸並開口至該底座。Outside the support and the second support. The method of claim 8, wherein the cutting insert includes a peripheral side surface between the end surfaces, the peripheral side surface including the first wall, the second wall, and the third a wall and the at least one cutting segment. 10. The method of assembling-cutting tool of claim 8, wherein one of the end tables φ of the cutting element in the initial set of devices faces the base of the fixed portion and is in the intermediate assembly position One of the end surfaces is received by the base. 11. The method of assembling-cutting a tool of claim 8, wherein the fastener advances the cutting insert to an intermediate assembly position and a final assembly position. 12. The method of assembling a cutting tool of claim 8, wherein the bore is offset relative to the bore (50) at an initial assembly position and a final assembly position. a cutting tool having a tool axis defining a front-to-rear direction (). The cutting tool includes a cutting insert having a five-fold rotationally symmetric configuration in an insert holder; the cutting insert The piece has an insert axis (Β) and includes: two identical opposite end surfaces; 110128-1000906.doc 丄^241_ month t repair (more) positive replacement page · L — a through hole (22) And extending along the axis (B) of the insert and connecting the two opposite end surfaces; and a peripheral side surface between the end surfaces and dividing into five identical segments, wherein: a segment extending between the end surfaces and located between a pair of adjacent segments; each segment having a cutting segment between a front wall and a rear wall, the weir wall being located on a front surface, the segment The rear wall is located on a rear surface; a segmented rear surface and an adjacent front surface of an adjacent segment intersect at an angle of a corner to form a radially innermost portion of a peripheral surface of the δ hai; and a first After the segmentation, the adjacent front surface of the surface and a second segment are separated from the corner The direction of the axis (Β) is outwardly expanded, wherein the second segment is adjacent to the first segment; the insert holder comprises: a front fixed portion and a rear body portion, the front fixed portion including a base and a fixed portion a surface, the fixing surface includes a first support portion, a second support portion and a third branch portion, each extending laterally toward the base; wherein at least a portion of the first support portion abuts the one of the cutting inserts At least a portion of a rear wall of one of the segments; at least a portion of the first support portion of the S-hailing abuts against at least one of the front walls of one of the second segments of the cutting insert; wherein the second segment is The first segment is adjacent to each other; at least a portion of the second support portion is adjacent to one of the cutting inserts. The third portion of the third 110128-1000906.doc -6 · 1356741 segment is adjacent to at least a portion of the rear wall; and the moon & And repairing (more) the replacement page, wherein the third segment and the second wall of the third segment of the second cutting segment are substantially facing upward. 14. The cutting fixture of claim 13, wherein the second branch portion and the second support portion of the first branch portion form respective unique abutment surfaces between the fixed portion and a peripheral side surface of the cutting insert. 15. The cutting tool of claim 13, wherein the fixed portion has a single unitary structure. 16. The cutting tool of claim 13, further comprising: a fastener passing through the pierced bore (22) of the cutting insert and extending into a hole (50) formed in the base The (50) extends along a clamping seat axis and opens to the base.

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