TWI320730B - Antirotation tool holder and cutting insert - Google Patents

Antirotation tool holder and cutting insert Download PDF

Info

Publication number
TWI320730B
TWI320730B TW093108702A TW93108702A TWI320730B TW I320730 B TWI320730 B TW I320730B TW 093108702 A TW093108702 A TW 093108702A TW 93108702 A TW93108702 A TW 93108702A TW I320730 B TWI320730 B TW I320730B
Authority
TW
Taiwan
Prior art keywords
insert
cutting
rotation stop
pocket
tool
Prior art date
Application number
TW093108702A
Other languages
English (en)
Other versions
TW200505612A (en
Inventor
Jean-Luc Dufour
X Daniel Fang
David J Wills
Original Assignee
Tdy Ind Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tdy Ind Inc filed Critical Tdy Ind Inc
Publication of TW200505612A publication Critical patent/TW200505612A/zh
Application granted granted Critical
Publication of TWI320730B publication Critical patent/TWI320730B/zh

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C5/00Milling-cutters
    • B23C5/02Milling-cutters characterised by the shape of the cutter
    • B23C5/06Face-milling cutters, i.e. having only or primarily a substantially flat cutting surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C5/00Milling-cutters
    • B23C5/16Milling-cutters characterised by physical features other than shape
    • B23C5/20Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
    • B23C5/22Securing arrangements for bits or teeth or cutting inserts
    • B23C5/2204Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert
    • B23C5/2208Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert for plate-like cutting inserts 
    • B23C5/2213Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert for plate-like cutting inserts  having a special shape
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2200/00Details of milling cutting inserts
    • B23C2200/04Overall shape
    • B23C2200/045Round
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2200/00Details of milling cutting inserts
    • B23C2200/04Overall shape
    • B23C2200/0466Star form
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2200/00Details of milling cutting inserts
    • B23C2200/12Side or flank surfaces
    • B23C2200/125Side or flank surfaces discontinuous
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2200/00Details of milling cutting inserts
    • B23C2200/16Supporting or bottom surfaces
    • B23C2200/164Supporting or bottom surfaces discontinuous
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2200/00Details of milling cutting inserts
    • B23C2200/16Supporting or bottom surfaces
    • B23C2200/168Supporting or bottom surfaces with features related to indexing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2210/00Details of milling cutters
    • B23C2210/16Fixation of inserts or cutting bits in the tool
    • B23C2210/168Seats for cutting inserts, supports for replacable cutting bits
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/19Rotary cutting tool
    • Y10T407/1906Rotary cutting tool including holder [i.e., head] having seat for inserted tool
    • Y10T407/1908Face or end mill
    • Y10T407/192Face or end mill with separate means to fasten tool to holder
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/19Rotary cutting tool
    • Y10T407/1906Rotary cutting tool including holder [i.e., head] having seat for inserted tool
    • Y10T407/1908Face or end mill
    • Y10T407/1924Specified tool shape
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/19Rotary cutting tool
    • Y10T407/1906Rotary cutting tool including holder [i.e., head] having seat for inserted tool
    • Y10T407/1934Rotary cutting tool including holder [i.e., head] having seat for inserted tool with separate means to fasten tool to holder
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/19Rotary cutting tool
    • Y10T407/1906Rotary cutting tool including holder [i.e., head] having seat for inserted tool
    • Y10T407/1934Rotary cutting tool including holder [i.e., head] having seat for inserted tool with separate means to fasten tool to holder
    • Y10T407/1936Apertured tool
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/19Rotary cutting tool
    • Y10T407/1906Rotary cutting tool including holder [i.e., head] having seat for inserted tool
    • Y10T407/1942Peripherally spaced tools
    • Y10T407/1944Sectional support
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/20Profiled circular tool
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/22Cutters, for shaping including holder having seat for inserted tool
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/22Cutters, for shaping including holder having seat for inserted tool
    • Y10T407/2202Plural spaced seats and common holder
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/22Cutters, for shaping including holder having seat for inserted tool
    • Y10T407/2272Cutters, for shaping including holder having seat for inserted tool with separate means to fasten tool to holder
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/22Cutters, for shaping including holder having seat for inserted tool
    • Y10T407/2272Cutters, for shaping including holder having seat for inserted tool with separate means to fasten tool to holder
    • Y10T407/2274Apertured tool
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/23Cutters, for shaping including tool having plural alternatively usable cutting edges
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/23Cutters, for shaping including tool having plural alternatively usable cutting edges
    • Y10T407/235Cutters, for shaping including tool having plural alternatively usable cutting edges with integral chip breaker, guide or deflector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/30Milling
    • Y10T409/303752Process
    • Y10T409/303808Process including infeeding
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00Turning
    • Y10T82/10Process of turning

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)

Description

1320730 玖、發明說明: 【發明所屬之技術領域】 本發明係關於材料切削工具。 二 尺特疋S之’本發明係關 於工具夾固器及切削嵌片。 '、 月之工具夹固器及切削嵌 ^括-防旋轉止件以阻止當該歲片被W在該工具失固 器之一嵌片凹穴中時旋轉。 【先前技術】 早期的碳化物切削工呈視赍i 月J工具通㊉為銅焊於鋼夾固器上之碳化 物毛场(blank)。错由研磨將再磨銳該毛&。亦可將餘隙角、 切削點半徑及其它特徵部分研磨成工具以適於一特定切削 操作^盡管該等早期碳化物切削工具提供了優於先前工具 1著生産力增長’但是某些缺點變得明顯了。為磨銳純 工具而再研磨將改變切織片之尺寸及形狀。以此方式每
次為補償較小尺H t e A Τ之工具而磨銳該工具時將需要調整切削 工具與工件之間的關係。 另外,奴化物嵌片與夾固器之間的銅焊連接僅能承受有 操作溫度’藉此減少了碳化物工具之潛在應用數 目另外’具有塗佈表面之碳化物嵌片不可被再磨銳且必 須被替換。 月J可替換、可分度嵌片(indexable insert)被更廣泛地 使用。可分度嵌片類似於銅焊工具,只是碳化物嵌片係藉 由夾持而非銅焊被固定在夹固器中。當一切削邊緣變鈍 ^可移除、旋轉及替換該嵌片以為進一步切削提供新的 鋒利邊緣。以此方式消除了在變化之間再調整切削操作之 91747.doc 需求。通常,藉由—且 u ^ 9 /、有錐形頭之螺桿將一可分度切削嵌 片保持在適當位置, 〇 , , °隹形碩適於該嵌片中之一圓錐形孔 且由此將該嵌片牢固地 ^ + ^ 保待在工具夾固器中。該嵌片頂部
之夾持亦可與該螺桿沾A 、° σ使用以進一步將該切削嵌片固定 在該工具夾固器中。 替換之一致性及簡县 1易〖生係可分度嵌片之主要優點。切削 邊緣之分度間定位的_ 致性使機械工具設置簡單化且幫助 確保更統一之產品。 然而’為金屬機械加工在-工具夹固器辛使用圓形嵌 尤,、係在銑削才呆作中可能存在很多問題。圓形喪片機 械加工之典型問題包含機械加卫操作中之不一致之喪片壽 命,這由於圓形嵌片與方形或菱形嵌片對比具有不精確的 分度機構Ή固的夾持及定位,因為無直線邊緣可用於 分度’切削邊緣切屬亦可起因於圓形嵌片在切削工具夹固 器之凹六中之旋轉,以及其它原因。 二工/、夹固器及圓形切削嵌片已倂入防旋轉機構,以 试圖克服利用工具夾固器中之圓形嵌片機械加工金屬之該 等問題°舉例而言’美國專利第5,658,1G0號描述了將圓形 嵌片固定在-銑刀之凹穴中之機構,在銑刀中複數個凹陷 部(depression)建立在該圓形嵌片之頂面。然後,藉由—支 撐於該銑刀體上之夾持爪將該嵌片固定在該工具夹固器 中’以阻止圓形嵌片在銑刀之凹穴中旋轉。然而,由於在 美國專利第5,658,1 00號中所描述之夹持爪嚙合該切削嵌片 之頂面,因而碎片控制幾何面(ge〇metry)在操作中必須執行 91747.doc ^20730 阻止旋轉及控制該嵌片之碎片成型之雙重功能。 在美國專利第M53,671號中,以嵌片之邊緣表面由被- 止件分離之兩個部分組成的方式製造圓形嵌片。該上部分 係起普通圓形切削表面作用之錐形截頭體,且該下部分係 産f與凹穴之下壁介面接觸之多邊形之形狀,⑯而阻止圓 形甘欠片相對於該凹穴旋轉。 在美國專利第5,346,336號中’其描述了另-包括刻面 ㈣之多邊形圖案之切削嵌片。該多邊形圖案位於圓形 肷片之圓形側面周®,且然後提供凹穴之互補形狀之多邊 形圖案。在圓形嵌片卜息 ^ 片之夕邊形刻面與一銑刀體之相應凹 上之互補夕邊形壁相對接,從而阻止了圓形嵌片在該凹 穴中旋轉。 美國專利第6,G53,671號及第5,346 336號在設計上基本相 似,思#,圓形嵌片Λ之多邊形刻面與銳刀體上之接收凹 穴中之互補形狀的多邊形壁相合。由硬質碳化物材料嵌片 之夕邊幵>/圖案所开’成之充滿半徑(full radius)的邊緣可在 機械加工操作期間緩慢切削凹穴銷之相對軟的鋼材料。另 外,由該等嵌片之基於多邊形圖案之設計所提供之有限接 觸可導致嵌片刻面之邊緣與凹穴之平壁之間的單點接觸, 其可隨時間推移導致該嵌片之定位切屑或破裂。 在美國專利第6,238,133號中,其描述了嵌片及工具夹固 器,其_在一圓形嵌片之側壁周圍建立複數個彎曲且傾斜 —維面,該圓形嵌片之側壁與銑刀體之嵌片接收凹穴中之 大體互補的曲面(亦為三維)相對接,從而為銑刀之凹穴中之 91747.doc 圓形嵌片提供了防旋轉機構β 美國專利第6,238,133號提供了使用圓形嵌片之側壁周圍 之考曲止件表面及刀體之凹穴中之至少一個互補防旋轉曲 面之機構。兩者曲面都係藉由部分半徑曲線界定,使得介 面可為面/線型接觸或雙&透鏡狀接觸之形式。這主要係因 為嵌片上無鋒利的邊緣來弱化鋼刀體上之硬質碳化物嵌片 與相對軟的凹穴之間的接觸介面。 美國專利第6,23 8,1 33號中所描述之機構存在一些缺點及 限制,該等缺點主要係、由於凹穴中之彎曲且傾斜三維面之 複雜性造成的。具體言,在製造嵌片及相應凹穴 中,互補形狀之傾斜幾何面可需要複雜的機械加工程序, 以確保被需要來保持該嵌片與該凹穴之間的接觸介面處所 需功能性之必要的幾何及維度精確性。第二,該彎曲且傾 斜三維面使該凹穴之製造方法限於一沿凹穴軸之軸向機械 加工方法。第三,由於工具夾固器之複雜幾何面之製造限 制’因而其進一步限制了銑刀中之凹穴之數量,從而限制 了齒之數量。 銑刀上之齒的數量係影響該銑削操作之切削效率的重要 因素。銑刀應具有足夠齒以確保其與工件之連續接觸。若 銑刀具有太少的齒,則一個齒將在下一個齒正嚙合工作位 置之別失去與該工件之接觸。以此方式將造成導致低質光 潔度、維度不精確及過置工具磨損之振動及顏動。使用呈 有更多齒之銑刀通常使表面光潔度之品質更好。 儘管所有上述機構提供了阻止圓形嵌片在銑刀體上之相 91747.doc -10- 1320730 鋼、工具'器械及其它項目。其硬度、強度、可機械加工 性、維度穩定性、不燃性及抗腐蝕性、抗酸性、抗溶解性 與耐熱性可為該等合適之工程材料之特性的特徵。該等合 適之工程材料之清單的一實例包含(但不限於):諸如鋁、 鈹、黃銅、青銅、鑄鐵、銅、鉛、鎂、鋼、钽、鋅、锘及 各種其它有商標及無商標的合金之金屬與合金;諸如玻璃 及瓷的陶瓷;及諸如ABS樹脂、縮醛樹脂、丙烯酸系樹脂、 碳氟t合物、尼龍、苯朌曱醒樹脂、聚對苯二曱酸丁二醋、 聚碳酸酯、聚乙烯、聚苯醚、聚丙稀、聚苯乙烯、聚氣乙 烯、玻璃纖維增強塑料(FRP)及尿素甲醛樹脂之塑料。 本發明之工具爽固器包括至少一個凹穴。將工具夾固器 中之凹穴設計成可接收一切削嵌片。在某些實施例中,如 圖1所示,凹穴1 3具有一底面14及一側壁1 5。當切削嵌片在 該工具夾固器中時,該底面14支撐該切削嵌片。該側壁i 5 亦可喃合該切削嵌片以在銑削或其它機械加工操作期間進 一步支撐該嵌片。 該工具夹固器之實施例進一步包括一防旋轉止件。該防 旋轉止件防止嵌片在工具夹固器之凹穴_内旋轉。可利用延 伸至切削寂片之凹槽中之防旋轉止件將包括至少一個凹槽 的切削嵌片固定在凹穴中。如圖2a、2B及2C所示,圓形嵌 片20包含切削邊緣2 1 '側壁22、頂部斷屑器幾何面23、底 面24及該敌片20之側壁22周圍的多個凹面25。該嵌片之凹 面26之邊緣27可被平滑地摻合以形成一半徑。通常,圓形 嵌片被定位且然後被緊固在一建立在銑刀夾固器上之凹穴 91747.doc -13- 1320730 :。參見圖1。防旋轉止件與工具夹固器中之嵌片凹穴之至 少-個相應'。因此’可將該防旋轉止件整合至該嵌片凹穴 中或該嵌片本身上。將對應於該防旋轉止件之凹槽整合至 嵌片與嵌片凹穴之另一個中。 短語大體平坦的指示出表面係平坦的或水平的。若以此 方式製造該等表面以保持該防旋轉止件與該凹槽在一點或 一定位部分接觸之嚙合,則應將該防旋轉止件之表面看作 係大體平坦的。如本文所使用,將點或點接觸界定為兩個 組件之間被限定在定位區域之接觸。 與凹槽相比,本發明之工具夹固器不需要一互補形狀之 防旋轉止件。該不互補需求允許凹穴及嵌片比可互補之工 具夾固器及嵌片更容易被製造且更精確被固定。本發明中 提供的凹穴中之防旋轉止件具有至少兩個大體平坦的表 面,而不是諸如最近美國專利第6,238,133號之先前技術的 傾斜疋向二維面。因此,其允許使用切線向方法而不是轴 向方法製造凹穴。切線向方法包括藉由在凹穴底面之切線 方向接近凹穴來形成切削工具之凹穴,而不是在凹穴之軸 向(習知)方向接近凹穴來形成切削工具之凹穴,後者正如在 最近美國專利第6,238,133號中描述的形成凹穴之方法的情 況。 在另一實施例中,如圖3所示’工具夹固器包括一凹穴 33,該凹穴包含:一包括凹穴下壁32及上壁33之側壁31 ; 一具有兩個大體平坦的表面35之防旋轉止件34; _中心大 體平坦的面36;及底面37。該可選擇上壁33可成曲形或成 91747.doc -14·

Claims (1)

1320730 第093108702號專利申請案 中文申請專利範圍替換本(9_月:叫"月q修奸.· 拾、申請專利範圍·· 1. 一種切削工具,其包含: 一工具夾固器,包含至少一抹y 二 匕3主乂甘欠片凹穴,其包含一底面: 该工具央固器進一步包含R " 山。 ^ ^ 3早—防旋轉止件對應於至少 一欣片凹to該防旋轉止件包括二大體平坦的表面 且凸出於5玄甘欠片凹穴之一側壁;及 一切削嵌片’其被配置在—嵌月 你^"月凹八内,且包含複數 個凹槽,該每一凹样呈右盥 ^具有與6亥防旋轉止件呈非互補之形 狀,其中 ,該:旋轉止件之二大體平坦的表面至少部分地延伸 進入單IHJ槽,且該二大體平坦的表面其中之—與該 單一凹槽接觸,且 一該單-防旋轉止件藉由在一或該二大體平坦的表面 之一或另一者與該凹槽之間之點接觸防止該切削嵌片 在該嵌片凹穴中在任一方向旋轉。 2. 如申請專利範圍第!項之切削工具,其中該防旋轉止件包 括三個大體平坦的表面,該防旋轉止件之三大體平坦的 表面之母一個至少部分地延伸進入該凹槽中,且該大體 平坦的表面其中之一接觸該單一凹槽。 3. 如申請專利範圍第2項之切削工具’其中該等三個大體平 坦的表面大體上垂直於該底面。 4. 如申請專利範圍第3項之切削工具,其中該防旋轉止件與 該嵌片凹穴之該底面及一側面合成一體。 5. 如申請專利範圍第1項之切削工具,其中該等嵌片凹穴中 91747-981105.doc 6.7. 8. 9. 10. 11. 之每一個均包括一用於嚙合一切削 如申請專利範圍第1項之切削工具,其中該防旋轉止件可 將该切削嵌片分度。 如申請專利範圍第I項之切削工具,其包括至多二十個嵌 片凹穴。 如申請專利範圍第丨項之切削工具,其中每一切削嵌片固 定在該嵌片凹穴中。 如申請專利範圍第1項之切削工具 係由一球面之一部分來界定。 如申請專利範圍第1項之切削工具 圓形切削嵌片。 一種切削工具,其包括: 工具夾固器,其包含至少一個嵌片凹穴,其包含— 底面,,亥工具夾固器進一步包含一單一防旋轉止件,其 突出於該嵌片凹穴之側壁中之至少之一及一底面,其中 防%k止件包括與該底面相交之二大體平坦的表面; 及 —至夕一切削嵌片,其中該切削嵌片包括複數個凹槽, 每-凹槽具有與該防旋轉止件之形狀不互補之形狀,及 以鎢為主的碳化物或金屬陶瓷中之至少一個,且其中 。玄防紅轉止件之二大體平坦的表面至少部分地延伸 進入一單一凹槽,且該二大體平坦的表面其中之一與該 單一凹槽接觸,且 該單一防旋轉止件藉由 ,其中每一凹槽部分地 ’其中該切削嵌片係_ 在一或該二大體平坦的表 91747-981105.doc ^—一- ^^9修(4)正替叫 面之ϋ—者與該凹槽之間之點接觸,固定該切削嵌 片防止其在嵌片凹穴中在任一方向旋轉。 12.如申請專利範圍第η項之切削工具,其中該切削嵌片係 圓形嵌片。 13. 14. 15. 16. 如申請專利範圍第12項之切.具,其中該防旋轉止件 包括二個大體平坦的表面。 如申請專利範圍第13項之切削卫具,其中該等三個大體 平坦的表面大體上垂直於該底面。 士申-月專利範圍第1 1項之切削工具’其中該防旋轉止件 與該嵌片凹穴之該底面及一側面合成—體。 如申請專利範圍第15項之切削工具,其中該側壁嗜合該 切削嵌片。 17. 如申請專利範圍第12項之切削工具,其中該防旋轉土件 將一切削嵌片分度。 18. 如申請專利範圍第17項之切削卫具,其包括至多二十個 嵌片凹穴。 19. 如巾請專利範圍第18項之切削工具,其中每—凹槽像部 分地由一球面之一部分來界定。 20. 如申請專利範圍第12項之切削工具,其中該防旋轉止件 自該凹穴之該側壁中凸出,且該凹槽位於該切削嵌片之 一側壁中。 2 1.如申請專利範圍第12項之切削工具,其中該防旋轉£件 自該凹穴之該底面凸出,且該凹槽位於該切削嵌片之_ 底面中。 91747-98ll05.doc 22. 月r曰修(¼)正替叫 種形成-嵌片凹穴及位於一工具 防旋轉止件之方法,該方法包 >成切線向地銑削該卫具夾固器以形成嵌片凹穴及該防 疋轉止件,且該嵌片凹穴包括—底面及—側壁,而該防 走轉止件由5亥側壁凸出且包括至少兩個大體平坦的表 面; 其中成切線向地銑削該工具夹固器以形成嵌片凹六及 該防旋轉止件包括使一銑刀朝該工具夾固器以一大體上 平行該底面之方向前進。 23. 如申睛專利範圍第22項之方法,其中成切線向地銳削該 工具夾固器以形成嵌片凹穴及該防旋轉止件包括使一踹 在先刀朝》亥工具爽固器以一大體上平行該底面之方向前 進。. 24. 如申請專利範圍第22項之方法,進一步包括: 成切線向地以圓頭銑刀銑削該凹穴頂面。 25’如申印專利範圍第22項之方法,其中該防旋轉止件包括 三個大體平坦的表面。 26·如申請專利範圍第25項之方法,其令該三個大體平坦的 表面係大體上垂直於該底面。 27·如申請專利範圍第26項之方法,其t該防旋轉止件與該 嵌片凹穴之底面及一側面合成一體。 28. 如申請專利範圍第22項之方法,其中該嵌片凹穴包括一 用於嚙合一切削嵌片之側壁。 29. 如申明專利範圍第22項之方法,其中該防旋轉止件可將 位於該嵌片凹穴之切削嵌片分度。 91747-981105.doc '***'=»·» - —· ..... ί .此*·τ,一 30.如申請專利範圍第22項之方法 一至二十個嵌片凹穴。 其中該工具夾固器包括 31. 32. 如申請專利範圍第29項之方法, 部分地延伸進入該切削嵌片之— 如申請專利範圍第3丨項之方法, 凹槽之形狀為非互補。 其中該防旋轉止件至少 凹槽。 其中該防旋轉止件與該 33.如申請專利範圍第32項之方法 形嵌片。 其中該切削嵌片係一圓 3 4.如申請專利範圍第29項之方法 形嵌片。 其中該切削嵌片係一圓 35. 如申明專利|已圍第32項之方法,其中該防旋轉止件與在 該嵌片内之凹槽之間以點接觸嚙合。 36. 如申請專利範圍第35項之方法,其中該防旋轉止件在由 一球之一部分所界定之一點與該凹槽嚙合。 37·如申請專利範圍第22項之方法’其中該防旋轉止件包括 至少二大體平坦之表面及由—球面之一部分所界定之一 凹面部分。 91747-981105.doc 1320730 第093108702號專利申請案 ==8年9.·,正侧
圖2 A 91747-fig-980923.doc 1320730 阶r月巧日蠢正替顧I
圖5 91747-fig-980923.doc •2· / 1320730 ,、 脾f月β日修(更)正替換巧
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TW093108702A 2003-04-15 2004-03-30 Antirotation tool holder and cutting insert TWI320730B (en)

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US20060245837A1 (en) 2006-11-02
NO20055262L (no) 2005-11-09
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KR101203783B1 (ko) 2012-11-21
US7722297B2 (en) 2010-05-25
MXPA05010910A (es) 2005-11-25
EP1615741B1 (en) 2017-11-22
EP2364804A1 (en) 2011-09-14
TW200505612A (en) 2005-02-16
CN1771104A (zh) 2006-05-10
NO20110916L (no) 2005-11-09
EP1615741A1 (en) 2006-01-18
CA2520134A1 (en) 2004-11-04
US8147171B2 (en) 2012-04-03
CA2520134C (en) 2013-01-15
WO2004094092A1 (en) 2004-11-04
RU2338630C2 (ru) 2008-11-20
JP2011224774A (ja) 2011-11-10
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US9114463B2 (en) 2015-08-25
JP2006523541A (ja) 2006-10-19
JP2012131027A (ja) 2012-07-12
US7908945B2 (en) 2011-03-22
RU2005135438A (ru) 2006-03-10
JP4908201B2 (ja) 2012-04-04
US20060269374A1 (en) 2006-11-30
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US20110103904A1 (en) 2011-05-05
US20120163929A1 (en) 2012-06-28

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