CN101262974B - 铣刀、铣刀刀体以及形状为截棱锥的可转位切削刀片 - Google Patents
铣刀、铣刀刀体以及形状为截棱锥的可转位切削刀片 Download PDFInfo
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23B—TURNING; BORING
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- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
- B23B27/1625—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts of special shape clamped by a clamping member acting almost perpendicularly on the chip-forming plane
- B23B27/164—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts of special shape clamped by a clamping member acting almost perpendicularly on the chip-forming plane characterised by having a special shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/06—Face-milling cutters, i.e. having only or primarily a substantially flat cutting surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23C—MILLING
- B23C2200/00—Details of milling cutting inserts
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- B23C2200/125—Side or flank surfaces discontinuous
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- Y10T407/00—Cutters, for shaping
- Y10T407/19—Rotary cutting tool
- Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
- Y10T407/1908—Face or end mill
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- Y—GENERAL 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
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T407/00—Cutters, for shaping
- Y10T407/19—Rotary cutting tool
- Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
- Y10T407/1908—Face or end mill
- Y10T407/1924—Specified tool shape
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- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T407/00—Cutters, for shaping
- Y10T407/19—Rotary cutting tool
- Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
- Y10T407/1932—Rotary cutting tool including holder [i.e., head] having seat for inserted tool with means to fasten tool seat to holder
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- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T407/00—Cutters, for shaping
- Y10T407/23—Cutters, for shaping including tool having plural alternatively usable cutting edges
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Abstract
本发明涉及一种用于排屑加工的铣刀,所述铣刀包括具有多个切削刀片座的铣刀刀体(1),该多个切削刀片座与铣刀刀体(1)的排屑端相连接,所述铣刀刀体(1)被形成为在其轴向(C-C)上的相反端处与刀具连接装置合作,其中可转位切削刀片(3)被固定到切削刀片座中,各个所述可转位切削刀片(3)具有顶面(7)和基本上与顶面(7)平行的底面(9),其中所述面(10A,10B,10C,10D)在顶面(7)和底面(9)之间延伸,所述可转位切削刀片(3)具有截棱锥的基本形状。本发明还涉及一种铣刀刀体(1)和可转位切削刀片(3)。与根据本发明的铣刀的不同之处在于,各个可转位切削刀片(3)具有面对铣刀排屑端的顶面(7),并且可转位切削刀片(3)的主切削刃(11A,11B,11C,11D)从可转位切削刀片的顶面(7)沿朝着可转位切削刀片的底面(9)的方向延伸。
Description
技术领域
本发明涉及一种用于排屑加工的铣刀,铣刀刀体以及要安装到铣刀刀体上的可转位切削刀片。
背景技术
铣刀是公知的,其包括铣刀刀体,该刀体设置有多个可转位切削刀片。各个可转位切削刀片包括多个主切削刃以及与各个主切削刃相关联的副切削刃。副切削刃与所关联的主切削刃形成直角。这种公知的铣刀特别用于工件上直角转角的铣削。这种公知铣刀的缺点是切削深度受限于主切削刃的长度,这是由于当切削刀片安装到铣刀刀体上时,切削刀片上同一切削刃的副切削刃被径向地定位在主切削刃的外部。
面铣刀也是公知的,其包括第一切削刀片以及第二切削刀片,所述第一切削刀片的中心孔基本上轴向地定向,所述第二切削刀片的中心孔相对于面铣刀的保持架基本上径向地定向。第一和第二切削刀片是相同的。根据一个优选实施例,各个切削刀片包括四个切削刀片转角,然而切削刀片的不同部分被用作起作用的切削刃,这取决于中心孔是轴向还是径向定向。对于本发明,最相关的是具有轴向定向中心孔的切削刀片。为了将全部四个切削刀片转角驱动到一个位置,切削刀片的轴向导向中心孔必须是分度的以及翻转的。
发明内容
本发明的一个主要目标是,提供一种铣刀以及与之适合的可转位切削刀片,所述铣刀能够将工件中的直角转角加工到大的切削深度。
本发明的又一个目标是,根据本发明的铣刀中所设置的根据本发明的可转位切削刀片在其使用期间必须被分度四次。
本发明的另一个目标是,定向可转位切削刀片,从而使得它们能够通过中心螺钉来固定,该螺钉具有相对较长的锚定长度。
至少,本发明的主要目标是通过由以下特征获得的铣刀以及可转位切削刀片的方式得以实现。
本发明提供一种用于排屑加工的铣刀,所述铣刀包括具有多个切削刀片座的铣刀刀体,所述多个切削刀片座与所述铣刀刀体的端部连接,所述铣刀刀体在其沿轴向相反的端部处与刀具连接装置合作,可转位切削刀片被固定到所述切削刀片座中,各个所述可转位切削刀片具有顶面和基本上与顶面平行的底面,其中侧面在所述顶面和所述底面之间延伸,其中,各个所述可转位切削刀片具有截棱锥的基本形状,各个可转位切削刀片的顶面面对所述铣刀的排屑端,并且所述可转位切削刀片的主切削刃从所述可转位切削刀片的所述顶面沿朝着所述可转位切削刀片的所述底面的方向延伸,其中,所述可转位切削刀片的每个所述主切削刃由两个相邻侧面的相交处所限定。
本发明还提供一种与上述可转位切削刀片合作的铣刀刀体,其中,沿着与顶面和底面基本平行的方向,刀片具有截棱锥的形状。
本发明还提供一种可转位切削刀片,用于被安装到铣刀刀体的切削刀片座中,所述可转位切削刀片包括顶面和基本上与所述顶面平行的底面,其中侧面连接所述顶面和所述底面,其中,所述可转位切削刀片具有截棱锥的基本形状,并且所述可转位切削刀片的主切削刃从所述顶面沿朝着所述底面的方向延伸,其中,可转位切削刀片的每个所述主切削刃由两个相邻侧面的相交处所限定。
附图说明
下面参考附图描述本发明的优选实施例,其中:
图1为根据本发明的铣刀的透视图;
图2为根据图1的铣刀的侧视图;
图3示意性地显示了如图2中铣刀的相同侧的视图,然而出于清楚缘故,铣刀仅设置有一个切削刀片;
图4示意性地显示了铣刀的另一个侧的视图;
图5为沿着图3中V-V所得到的截面图;
图6为沿着图5中VI-VI所得到的截面图;
图7为根据本发明的可转位切削刀片从上方倾斜观察时的透视图,所述根据本发明的铣刀设置有多个这样的可转位切削刀片;
图8为根据图7的可转位切削刀片从下方倾斜观察时的透视图;
图9为根据图7的可转位切削刀片的俯视图;
图10为根据图7的可转位切削刀片的侧视图;以及
图11为根据图7的可转位切削刀片的底面的视图。
具体实施方式
如图1和2所示的根据本发明的铣刀包括铣刀刀体1,其在图1中的前向端部具有多个切削刀片座,其中接收有对应数目的可转位切削刀片。各个可转位切削刀片3具有中心孔4并且通过中心螺钉5被固定到相关联的切削刀片座中,所述中心螺钉5由所述中心孔4所接收。图1中绘制有铣刀的中心轴线C-C,所述中心轴线C-C还限定了铣刀的旋转轴线以及其轴向方向。铣刀的旋转方向R在图1中用箭头表示。
中心螺钉5沿着铣刀的轴向方向延伸,然而中心螺钉5并不平行于旋转轴线C-C。可转位切削刀片3因此以相切的方式安装到铣刀刀体1上。
铣刀刀体1被形成用于在其后端与刀具连接装置或类似物相连接,如图1所示。
从图2所示的铣刀的侧视图中可以清楚看到,当可转位切削刀片3安装到铣刀刀体上时,可转位切削刀片倾斜,即可转位切削刀片的中心轴线与铣刀的中心轴线C-C并不平行,所述切削刀片的中心轴线与相关联的中心螺钉的纵向方向相一致。
在下面描述的图3-6中,出于清楚的原因,仅绘制出切削刀片3。在图3所示的侧视图中,切削刀片3的主切削刃和副切削刃形成直角。图3中可清楚看到,用第一直线L1表示的切削刀片座的底面与第二直线L2形成某一角度α,该第二直线L2垂直地朝向铣刀的旋转轴线C-C延伸。切削刀片的刀片座底面成角度的原因在于切削刀片中仅有一个转角应当是起作用的,也就是说,剩余的三个转角应当轴向地位于直线L2的后面。为了解释而非限制所提到的效果,角度α的大小可为5°。图3中还显示了铣刀中心轴线C-C与切削刀片3中心轴线C1-C1之间的角度β1。图3所示的侧视图中该角度约为8°。
图4所示的侧视图取自与图3中位置相垂直的位置。图4中,切削刀片3的主切削刃11的轴向刀面角被绘制出来,所述角度由γ表示。轴向刀面角γ为正角度并且在侧视图中所示大约为7°。图4中还显示了铣刀中心轴线C-C与切削刀片3中心轴线C1-C1之间的角度β2。图4所示的侧视图中该角度约为7°。
图5所示为沿着图3中V-V所得到的截面图。主切削刃11的间隙角由λ1表示。该角度处在5°≤λ1≤15°的区间,优选λ1值为大约8°。
图6所示为沿着图5中VI-VI所得到的截面图。图6中,切削刀片3的修光刃的间隙角由λ表示。其中该角度处在5°≤λ≤12°的区间,优选值为6°。
图7-11中详细显示了根据本发明的可转位切削刀片3设置在根据本发明的铣刀1中。可转位切削刀片3的中心轴线C1-C1在图7,8,9和11中绘制出来,所述中心轴线C1-C1还限定了可转位切削刀片3的轴向方向。各个可转位切削刀片3均包括顶面7和与其平行的底面9。顶面7的面积大于底面9的面积。顶面7和底面9通过四个侧面10A,10B,10C,10D合为一体。可转位切削刀片3的中心孔4通向顶面7和底面9。
通常,可转位切削刀片3具有截棱锥的形状,其中顶面7对应于大的基面,而底面9对应于小的基面。当根据本发明的铣刀刀体装备有可转位切削刀片3的时候,各个可转位切削刀片3的底面9抵靠各个切削刀片座的支撑面,所述支撑面基本上横向于铣刀轴向C-C延伸。
四个主切削刃11A,11B,11C,11D形成在两个相邻侧面的相交处,所述侧面基本上沿着可转位切削刀片的轴向C1-C1延伸,然而与轴向C1-C1并不平行。另外一种表述方式是:主切削刃11A,11B,11C,11D从顶面7朝着底面9延伸。与截棱锥相类似的截棱锥形状的侧切削刃,即相邻侧面的相交处,组成了根据本发明的可转位切削刀片3的主切削刃11A-11D。然而,在所示实施例中,各个主切削刃被径向地设置在所述相交处的内侧。在顶面7与侧面10A,10B,10C,10D的相交处形成有副切削刃12A,12B,12C,12D,所述副切削刃基本上横向于可转位切削刀片3的轴向C1-C1延伸。图7-11中所示的根据本发明的可转位切削刀片3包括四对切削刃。
与主切削刃11A,11B,11C,11D相关联的侧面10A,10B,10C,10D上设置有与主切削刃相关联的前刀面13A,13B,13C,13D,所述主切削刃基本上具有凹入形状。在所示可转位切削刀片3的实施例中,各个前刀面13A,13B,13C,13D通向底面9,但不通向顶面7。更确切地,前刀面13A,13B,13C,13D经由副切削刃12A,12B,12C,12D连接到顶面7。支撑面14A,14B,14C,14D位于与前刀面13A,13B,13C,13D相邻的一个以及相同侧面10A,10B,10C,10D处。可转位切削刀片3的四个支撑面14A,14B,14C,14D中的三个与切削刀片座的表面合作,所述刀片座中接收有可转位切削刀片3。四个支撑面连接到起作用的主切削刃11A,11B,11C,11D并且组成了用于该起作用主切削刃的间隙面。
图10中绘制有直线L3,其从主切削刃11D延伸到副切削刃12D。此处应当注意的是,该直线L3没有与支撑面14D的平面相交。图9和图10还绘制出可转位切削刀片3的最大对角尺寸D以及厚度T,其中关系为T/D>0.4。在所示实施例中T/D约为0.5。在此应当注意的是,可转位切削刀片3在其厚度方向上被夹持在铣刀刀体1中,并且因此底面9(小的基面)抵靠切削刀片座的支撑面。
如上面所指出的那样,根据本发明的铣刀的主要功能是铣削直角转角,并且就这一点可以参考图2和图3。图2的右下端显示了根据本发明的切削刀片3,其中图2中的侧视图显示了该可转位切削刀片3的主切削刃11和副切削刃12。该视图显示了根据本发明的铣刀如何完成工件上的直角转角。通过研究图2,还可以认识到,根据本发明的铣刀的切削深度不会受到铣刀几何形状的任何限制。
图1和图2所示的根据本发明的铣刀的实施例以正的轴向角度加工工件,即主切削刃11A,11B,11C,11D的轴向上最远定位的部分最先与工件接合。
上述实施例中,可转位切削刀片3具有四个主切削刃以及四个相关联的副切削刃。然而,在本发明范围内,每个可转位切削刀片可以具有三个主切削刃以及三个相关联的副切削刃。
根据本发明的铣刀的所示实施例在正的轴向角度下加工工件。这个角度也可选成负的角度。
被要求作为本申请优先权的瑞典专利申请No.0502134-0的公开以参考的方式结合在本文中。
本发明并非限制在上述实施例中,而是可以在附加权利要求的限制内进行任意的改变。
Claims (13)
1.用于排屑加工的铣刀,所述铣刀包括具有多个切削刀片座的铣刀刀体,所述多个切削刀片座与所述铣刀刀体的端部连接,所述铣刀刀体在其沿轴向相反的端部处与刀具连接装置合作,可转位切削刀片被固定到所述切削刀片座中,各个所述可转位切削刀片具有顶面和基本上与顶面平行的底面,其中侧面在所述顶面和所述底面之间延伸,其中,各个所述可转位切削刀片具有截棱锥的基本形状,各个可转位切削刀片的顶面面对所述铣刀的排屑端,并且所述可转位切削刀片的主切削刃从所述可转位切削刀片的所述顶面沿朝着所述可转位切削刀片的所述底面的方向延伸,其中,所述可转位切削刀片的每个所述主切削刃由两个相邻侧面的相交处所限定。
2.如权利要求1所述的铣刀,其中,在所述可转位切削刀片的侧面上设置有前刀面,并且该前刀面被设置成与主切削刃相连接。
3.如权利要求2所述的铣刀,其中,所述可转位切削刀片的副切削刃由相关联的前刀面与所述顶面的相交处所限定。
4.铣刀刀体,其用在根据权利要求1的铣刀中,其中,沿着与顶面和底面基本平行的方向,刀片具有截棱锥的形状。
5.一种可转位切削刀片,用于被安装到铣刀刀体的切削刀片座中,所述可转位切削刀片包括顶面和基本上与所述顶面平行的底面,其中侧面连接所述顶面和所述底面,其中,所述可转位切削刀片具有截棱锥的基本形状,并且所述可转位切削刀片的主切削刃从所述顶面沿朝着所述底面的方向延伸,其中,可转位切削刀片的每个所述主切削刃由两个相邻侧面的相交处所限定。
6.如权利要求5所述的可转位切削刀片,其中,所述可转位切削刀片的侧面内设置有前刀面,并且所述前刀面被设置成与主切削刃相连接。
7.如权利要求6所述的可转位切削刀片,其中,所述前刀面通向所述底面。
8.如权利要求6所述的可转位切削刀片,其中,可转位切削刀片的副切削刃由相关联的前刀面与所述顶面的相交处所限定。
9.如权利要求5所述的可转位切削刀片,其中,在侧面中还设置支撑面。
10.如权利要求6所述的可转位切削刀片,其中,在侧面中还设置支撑面。
11.如权利要求5所述的可转位切削刀片,其中,所述可转位切削刀片设置有通向所述顶面和所述底面的中心孔。
12.如权利要求5所述的可转位切削刀片,其中,所述可转位切削刀片的厚度与刀片的最大对角尺寸之间的关系为:厚度与最大对角尺寸之比大于0.4。
13.如权利要求5所述的可转位切削刀片,其中,沿着与顶面和底面基本平行的方向,刀片具有截棱锥的形状。
Applications Claiming Priority (4)
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SE05021340 | 2005-09-28 | ||
SE0502134-0 | 2005-09-28 | ||
SE0502134A SE529107C2 (sv) | 2005-09-28 | 2005-09-28 | Fräs, fräskropp och vändskär där skäret har formen av en stympad pyramid |
PCT/SE2006/001055 WO2007037736A1 (en) | 2005-09-28 | 2006-09-15 | A milling cutter, a milling cutter body and an indexable cutting insert shaped as a truncated pyramid |
Publications (2)
Publication Number | Publication Date |
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CN101262974A CN101262974A (zh) | 2008-09-10 |
CN101262974B true CN101262974B (zh) | 2010-10-13 |
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CN2006800338257A Expired - Fee Related CN101262974B (zh) | 2005-09-28 | 2006-09-15 | 铣刀、铣刀刀体以及形状为截棱锥的可转位切削刀片 |
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US (1) | US7549824B2 (zh) |
EP (1) | EP1931489B1 (zh) |
KR (1) | KR101345519B1 (zh) |
CN (1) | CN101262974B (zh) |
CZ (1) | CZ200855A3 (zh) |
SE (1) | SE529107C2 (zh) |
WO (1) | WO2007037736A1 (zh) |
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- 2006-09-15 WO PCT/SE2006/001055 patent/WO2007037736A1/en active Application Filing
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- 2006-09-15 EP EP06799682.7A patent/EP1931489B1/en not_active Not-in-force
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Also Published As
Publication number | Publication date |
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WO2007037736A1 (en) | 2007-04-05 |
KR20080046203A (ko) | 2008-05-26 |
US20070071561A1 (en) | 2007-03-29 |
CZ200855A3 (cs) | 2008-05-28 |
US7549824B2 (en) | 2009-06-23 |
EP1931489A1 (en) | 2008-06-18 |
SE529107C2 (sv) | 2007-05-02 |
SE0502134L (sv) | 2007-03-29 |
CN101262974A (zh) | 2008-09-10 |
EP1931489B1 (en) | 2014-11-12 |
KR101345519B1 (ko) | 2013-12-26 |
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