CN100366369C - 非旋转切削工具 - Google Patents

非旋转切削工具 Download PDF

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Publication number
CN100366369C
CN100366369C CNB2004100013879A CN200410001387A CN100366369C CN 100366369 C CN100366369 C CN 100366369C CN B2004100013879 A CNB2004100013879 A CN B2004100013879A CN 200410001387 A CN200410001387 A CN 200410001387A CN 100366369 C CN100366369 C CN 100366369C
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China
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aforementioned
rotary cutting
counteredge
cutting tool
periphery blade
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Expired - Fee Related
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CN1550277A (zh
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松桥英明
永井保
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OSG Corp
Panasonic Holdings Corp
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OSG Corp
Matsushita Electric Industrial Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D5/00Planing or slotting machines cutting otherwise than by relative movement of the tool and workpiece in a straight line
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47GHOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00Table service
    • A47G19/22Drinking vessels or saucers used for table service
    • A47G19/23Drinking vessels or saucers used for table service of stackable type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B27/00Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/06Profile cutting tools, i.e. forming-tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D11/00Planing or slotting devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/22Boxes or like containers with side walls of substantial depth for enclosing contents
    • B65D1/26Thin-walled containers, e.g. formed by deep-drawing operations
    • B65D1/265Drinking cups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D3/00Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/02Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape
    • B65D3/06Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape essentially conical or frusto-conical
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/808Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package for immersion in the liquid to release part or all of their contents, e.g. tea bags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2200/00Details of cutting inserts
    • B23B2200/20Top or side views of the cutting edge
    • B23B2200/201Details of the nose radius and immediately surrounding area
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2200/00Details of cutting inserts
    • B23B2200/24Cross section of the cutting edge
    • B23B2200/245Cross section of the cutting edge rounded
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2222/00Materials of tools or workpieces composed of metals, alloys or metal matrices
    • B23B2222/28Details of hard metal, i.e. cemented carbide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2226/00Materials of tools or workpieces not comprising a metal
    • B23B2226/31Diamond
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2228/00Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
    • B23B2228/04Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner applied by chemical vapour deposition [CVD]
    • 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
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49229Prime mover or fluid pump making
    • Y10T29/49236Fluid pump or compressor making
    • Y10T29/4924Scroll or peristaltic type
    • 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
    • Y10T407/28Miscellaneous
    • 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
    • Y10T409/304536Milling including means to infeed work to cutter
    • Y10T409/305544Milling including means to infeed work to cutter with work holder
    • Y10T409/305656Milling including means to infeed work to cutter with work holder including means to support work for rotation during operation
    • 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
    • Y10T409/50Planing
    • Y10T409/50082Process
    • 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
    • Y10T409/50Planing
    • Y10T409/502624Means for cutting groove
    • Y10T409/502788Arcuate groove
    • 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
    • Y10T409/50Planing
    • Y10T409/5041Means for cutting arcuate surface
    • Y10T409/504592Means for cutting arcuate surface with work infeed and means to arcuately reposition the work
    • 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
    • Y10T409/50Planing
    • Y10T409/509348Tool head
    • 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
    • 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
    • Y10T82/13Pattern section
    • 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
    • Y10T82/14Axial pattern
    • Y10T82/149Profiled cutter
    • 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
    • Y10T82/25Lathe
    • Y10T82/2512Lathe having facing tool fed transverse to work
    • 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
    • Y10T82/25Lathe
    • Y10T82/2585Tool rest
    • 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
    • Y10T83/00Cutting
    • Y10T83/889Tool with either work holder or means to hold work supply
    • Y10T83/896Rotatable wound package supply

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

Abstract

提供一种制造容易并且能够用于精加工的非旋转切削工具。刀刃部(4)(外周刀刃(5)、底刀刃(6)),利用CVD法在工具主体(2)的整个外表面上涂敷厚度大约为6μm~大约20μm的金刚石被膜,同时,利用砂轮研磨该金刚石被膜,使研磨面粗糙度在大约1.60μmRz以下,形成前倾面及后隙面。非旋转切削工具(1),通过在外周刀刃(5)及底刀刃(6)的表面上涂敷硬质金刚石被膜,确保其刚性,所以,抑制在切削加工中外周刀刃(5)及底刀刃(6)的弯曲,并且,通过研磨金刚石被膜,可以提高其面的光洁度。从而,可以获得对于精加工能够得到足够的精度的非旋转切削工具。

Description

非旋转切削工具
【技术领域】
本发明涉及非旋转切削工具,特别是涉及容易制造并且能够用于精加工的非旋转切削工具。
【背景技术】
作为用于空调、冰箱等的压缩气体(冷媒)用压缩机的一种,有涡旋式压缩机。涡旋式压缩机,使一对涡旋相对地进行公转圆运动,通过使由所述一对涡旋形成的多个工作室向中心移动,使工作室的容积减少,将导入到工作室内的气体等流体压缩排出。
下面用图5及图6说明涡旋式压缩机。图5(a)是固定到涡旋式压缩机的壳体(图中未示出)的固定部100的透视图,图5(b)是配合到该固定部100上的可动部103的透视图。固定部100包括固定侧底面101,从该固定侧底面101竖立设置的固定侧涡旋部102。此外,可动部103包括大致圆盘状的可动侧底面104、与固定侧涡旋部102接触、压缩气体的可动侧涡旋部105。如图6所示,前述可动部103在配合到固定部100上的状态下,通过旋转,压缩可动侧涡旋部105和固定侧涡旋部102之间的气体。被压缩的气体从固定部100中央的排出口106向涡旋式压缩机的外部排出。从而,由于可动侧涡旋部105与固定侧涡旋部102之间的密封程度越高,压缩效率越好,所以,对于可动侧涡旋部105和固定侧涡旋部102的精加工要求高的精度。在现有技术中,这种涡旋式压缩机的涡旋部的加工,利用立铣刀分成粗加工、中精度加工,精加工三个工序进行(例如,参照专利文献1)。
【专利文献1】特开平11-336675号公报([0018])
但是,当把立铣刀用于精加工工艺时,在该立铣刀及保持器中,由于旋转会产生振动,由于该振动会引起不能获得充分的加工精度的问题。特别是,在涡旋式压缩机中,为了提高压缩效率,涡旋部之间的密封程度是非常重要的,但是,当涡旋部的加工精度低时,密封程度降低,存在着难以获得涡旋式压缩机的压缩效率的问题。此外,由于难以获得适合于精加工的加工精度高的立铣刀,例如,存在着涡旋式压缩机等的制品的制造不稳定的问题。
【发明内容】
本发明为了解决上述问题,其目的是提供一种制造容易且获得在精加工中能够获得足够的加工精度的非旋转切削工具。
为了到达这一目的,方案1所述的非旋转切削工具,在包括柄,与该柄在同一个轴上、成一整体地连接设置的主体,设置在该主体的侧面上的外周刀刃,在前述主体的前端部与前述外周刀刃连接设置的底刀刃,并且利用前述外周刀刃和前述底刀刃形成的面以相对于切削进行方向成大致垂直的姿势进行切削的切削工具中,前述外周刀刃或前述底刀刃的表面中至少其中之一涂敷金刚石被膜,并且前述外周刀刃或前述底刀刃的表面的金刚石被膜中至少其中之一被研磨,工具本体的与柄的轴方向垂直的截面形状为半月状,包括半圆的外周面和扁平的前倾面,底刀刃是前倾面与后隙面的棱线以相对于柄的轴成为法线方向的方式形成在工具主体的底面上的切削刃。
方案2所述的非旋转切削工具,在方案1所述的非旋转切削工具中,在具有底面和从该底面大致垂直地竖立设置的涡旋部的用于涡旋式压缩机的加工的切削工具中,通过使前述非旋转切削工具切削行进,前述外周刀刃切削前述涡旋部,并且前述底刀刃切削前述底面。
方案3所述的非旋转切削工具,在方案2所述的非旋转切削工具中,前述外周刀刃与前述底刀刃交叉的拐角的R大致在0.05mm以下。
方案4所述的非旋转切削工具,在方案1至3中任何一个所述的非旋转切削工具中,前述外周刀刃或前述底刀刃至少其中之一的研磨面的粗糙度在大致1.60μmRz以下。
方案5所述的非旋转切削工具,在方案1至4中任何一个所述的非旋转切削工具中,前述外周刀刃或前述底刀刃中至少其中之一的刀尖的R大致为0.03mm以下。
方案6所述的非旋转切削工具,在方案1至5中任何一个所述的非旋转切削工具中,前述外周刀刃从以前述柄为基准时的该外周刀刃的几何直线偏离在3μm以下,并且,前述底刀刃从前述柄为基准时的该底刀刃的几何形状的偏离在3μm以下。
根据方案1所述的非旋转切削工具,通过外周刀刃或底刀刃的表面至少其中之一涂敷金刚石被膜,抑制切削加工中的弯曲,并且,通过研磨金刚石被膜,提高金刚石被膜的面的光洁度。从而,具有容易获得在精加工中得到足够的加工精度的非旋转切削工具的效果。
根据方案2所述的非旋转切削工具,在具有方案1所述的非旋转切削工具的效果之外,在用于涡旋式压缩机的加工中,通过使前述非旋转式切削工具切削行进,在外周刀刃切削涡旋部的同时,底刀刃切削底面,不会因旋转引起振动,与利用立铣刀进行加工时的情况相比,可以获得提高加工精度的效果。结果是,由于提高涡旋式压缩机的涡旋部的加工精度,所以,提高涡旋部之间的密封程度,得到提高涡旋式压缩机的压缩效率的效果。
此外,根据方案2所述的非旋转切削工具,可以利用立铣刀进行粗加工,利用方案2所述的非旋转切削工具进行精加工。从而,与利用立铣刀的涡旋部的加工中,需要粗加工、中精度加工和精加工三个工序的现有技术的情况相比,由于无需中精度加工,所以,具有提高作业效率的效果。
进而,根据方案2所述的非旋转切削工具,对于涡旋式压缩机的涡旋部的精加工获得足够的加工精度的非旋转切削工具,与精加工用立铣刀相比,容易制造,所以,获得能够稳定地制造涡旋式压缩机的效果。
根据方案3所述的非旋转切削工具,在具有方案2所述的非旋转切削工具的效果之外,由于前述外周刀刃和前述底刀刃交叉的拐角的R在大致0.05mm以下,所以在涡旋式压缩机的精加工中,涡旋部与底面之间的R,被加工成与工具形状的R基本上相同的形状,所以,具有提高将可动侧涡旋部与固定侧涡旋部配合时的密封程度、提高涡旋式压缩机的压缩效率的效果。
根据方案4所述的非旋转切削工具,在具有方案1至3中任何一个所述的非旋转切削工具的效果之外,由于外周刀刃或底刀刃中至少其中之一的研磨面的粗糙度在大致1.60μmRz以下,所以,具有作为精加工可以获得足够的加工面精度的效果。
根据方案5所述的非旋转切削工具,在具有方案1至4中任何一个所述的非旋转切削工具的效果之外,由于由于外周刀刃或底刀刃中至少其中之一的刀尖的R在大致0.03mm以下,所以,具有作为精加工可以获得足够的加工面精度的效果。
根据方案6所述的非旋转切削工具,在具有方案1至5中任何一个所述的非旋转切削工具的效果之外,由于前述外周刀刃从以前述柄为基准时的该外周刀刃的几何直线偏离在3μm以下,并且,前述底刀刃从前述柄为基准时的该底刀刃的几何形状的偏离在3μm以下,所以,具有作为精加工可以获得足够的加工面精度的效果。
【附图的简单说明】
图1、是表示根据本发明的第一个实施例的非旋转切削工具的图示,(a)是正视图,(b)是侧视图,(c)是底面图。
图2、是表示用于切削试验的非旋转切削工具与立铣刀的各个部件的详细情况的表。
图3、是表示切削试验的结果的表。
图4、(a)是根据本发明的第2实施例的非旋转切削工具的正视图,(b)是根据本发明的第三个实施例的非旋转切削工具的正视图。
图5、是表示作为被切削材料的涡旋式压缩机图示,(a)是固定部的透视图,(b)是可动部的透视图。
图6、是说明利用涡旋式压缩机对气体的压缩动作的说明图。
图7、是表示对于涡旋式压缩机的加工,采用非旋转切削工具时的图示。
【符号说明】
1、20、30    非旋转切削工具(非旋转工具)
2、22、32    工具主体(主体)
3            柄
5            外周刀刃
6、26、36    底刀刃
100          固定部(涡旋式压缩机)
103          可动部(涡旋式压缩机)
101、104     底面
102、105     涡旋部
【实施发明的最佳形式】
下面,参照附图对本发明的优选实施例进行说明。图1式表示本发明的第一个实施例中的非旋转切削工具的图示,图1(a)是非旋转切削工具1的正视图,图1(b)是非旋转切削工具1的侧视图,图1(c)是非旋转切削工具1的底面图。首先,参照图1说明非旋转切削工具1的整体结构。
非旋转切削工具1,是一种其前倾面以相对于切削进行的方向大致垂直的姿势对被切削材料相对地进行切削的所谓非旋转工具,经由保持其一端(图1(a)的右侧)的保持器(图中未示出)传递加工中心等的加工机械的驱动力。非旋转切削工具1,例如,适合用于进行涡旋式压缩机(参照图7)的精加工。
非旋转切削工具1,利用加压烧结碳化钨(WC)等制成的超硬(硬质)合金构成,包括形成截面大致为半圆形(参照图1(c))的工具主体2,在该工具主体2的一端侧(图1(a)的右侧)与工具主体2在同一个轴上成一整体地连接设置的柄3。非旋转切削工具1,通过将该柄3保持在保持器上,安装到加工机械上。
在工具主体2的侧壁部(图1(a)下侧)及底面部(图1(a)左侧)上,如图1(a)所示,形成刀刃部4。刀刃部4包括外周刀刃5,底刀刃6,这些外周刀刃5与底刀刃6,如图1(a)所示,相互大致正交地配置。此外,外周刀刃5与底刀刃6的交叉的拐角的R,其半径大致在0.05mm以下。
刀刃部4(外周刀刃5、底刃6),利用CVD(化学汽相沉积)法向工具主体2的整个外表面上以大约6μm~大致20μm的厚度涂敷金刚石被膜的同时,通过用砂轮将该金刚石被膜研磨成研磨面的粗糙度为1.60μmRz以下,形成其前倾面及后隙面。
这里,之所以使涂敷的金刚石被膜的厚度为大约6μm~大致20μm,是由于当涂敷的厚度大致低于6μm时,金刚石被膜会脱落,当超过约20μm时,从成本方面考虑是不利的的缘故。此外,也可以用激光,离子束,热化学-机械研磨,机械-化学研磨等进行金刚石被膜的被膜研磨。
外周刀刃5,其前倾面及后隙面的棱线是大致平行于柄3的轴形成在工具主体2的侧面上的切削刃,以后隙角α例如为5°的方式形成后隙面。此外,外周刀刃5,刀尖的R大致为0.03mm以下,并且,从以柄3为基准时的其外周刀刃5的几何学的直线的偏离,即,以柄3作为基准时的外周刀刃5的圆柱度为大约3μm以下。
底刀刃6是其前倾面与后隙面的棱线以成为柄3的轴的法线方向的方式形成在工具主体2的底面上的切削刃,例如以后隙角β为5°的方式形成后隙面。此外,底刀刃6,刀尖的R,半径约为0.03mm以下,并且,从以柄3为基准时的其底刀刃6的几何学的直线的偏离,即以柄3作为基准时的底刀刃6的直线度,大致在3μm以下。
如上所述构成的非旋转切削工具1,通过由外周刀刃5和底刀刃6形成的面(前倾面)以相对于切削进行的方向大致垂直的姿势对被切削材料相对地切削行进,利用其外周刀刃5及底刀刃6切削加工被切削材料。图7是表示对于涡旋式压缩机的加工利用非旋转切削工具1时的图示。具体地说,一面在X轴方向、Y轴方向,以及控制旋转的A轴方向控制载置涡旋式压缩机的固定部100或可动部103的工件台(图中未示出),一面利用固定到保持器(图中未示出)的非旋转切削工具1切削涡旋部102、105、底面101、104。
其次,参照图2及图3,说明利用上述结构的非旋转切削工具1进行的切削试验的试验结果。该切削试验,是一种利用非旋转切削工具1和立铣刀进行涡旋式压缩机的涡旋部102、105(参照图5)的切削加工,比较其加工精度的试验。
图2是表示用于切削试验的非旋转切削工具1和立铣刀的各个部件的详细情况的表。这里,图2所示的所谓面粗糙度,指的是非旋转切削工具1和立铣刀的各自的外周刀刃及底刀刃的面粗糙度,所谓拐角R,是对于非旋转切削工具1及立铣刀各自的外周刀刃与底刀刃交叉的拐角R,所谓直线度,是指对于非旋转切削工具1及立铣刀,从以各自的柄作为基准时的其底刀刃的几何形状的偏离,即底刀刃的直线度,所谓刀尖的R指的是对于非旋转切削工具1及立铣刀各自的外周刀刃与底刀刃的刀尖R(半径)。
此外,切削试验,利用图2所示的非旋转切削工具1和立铣刀,在下面所示的切削条件下进行。
(切削条件)
被切削材料:ADC12
使用机械:横式加工中心
保持器:夹套式铣削夹头
切削油:水溶性切削油
图3是表示切削试验的结果的表,加工面粗糙度,指的是被切削材料的加工面粗糙度,拐角R指的是被切削材料的涡旋与底面之间的拐角R,所谓直线度指的是相对于被切削材料的涡旋部的底面的直线度。
如从图3的试验结果可以看出的,如果应用本发明的非旋转切削工具1的话,可以确认,与利用立铣刀的情况相比,能够以优异的加工精度,切削加工被切削材料的加工面的粗糙度,被切削材料的涡旋部与底面的拐角R,相对于被切削材料的涡旋部的底面的直线度。
具体地说,如图3所示,与使用非旋转切削工具1时,其刀刃部4的外形精度(参照图2)被原封不动地复制到被切削材料的加工面上时的情况相对地,在使用立铣刀时,被切削材料的加工面(拐角R、直线度)精度比刀刃部的外形精度(参照图2)恶化。这可以认为是由于在切削加工时的旋转引起的立铣刀及保持器的振动及弯曲等造成的。
如上面说明的,由于非旋转切削工具1,通过在外周刀刃5及底刀刃6的表面上涂敷硬质的金刚石被膜,确保其刚性,所以,抑制外周刀刃5及底刀刃6在切削加工中的弯曲,并且,通过研磨金刚石被膜提高其面的光洁度(粗糙度级别)。从而,可以很容易获得对于精加工得到足够的加工精度的非旋转切削工具。
此外,在将非旋转切削工具1用于涡旋式压缩机的加工时,通过使非旋转切削工具1切削行进,外周刀刃5切削涡旋部102、105的同时,底刀刃6切削底面101、104,所以,不会因旋转引起振动,所以,与利用立铣刀精加工的情况相比,可以提高加工精度。其结果是,用于提高涡旋式压缩机的涡旋部的加工精度,所以,提高涡旋部之间的密封程度,提高涡旋式压缩机的压缩效率。
此外,根据非旋转切削工具1,由于可以获得足够的加工精度,所以,能够以立铣刀进行粗加工,利用非旋转切削工具1进行精加工。
进而,由于非旋转切削工具1,与涡旋式压缩机的涡旋部的精加工用的立铣刀相比,容易制造,所以可以稳定地制造涡旋式压缩机。
此外,以外周刀刃5和底刀刃6交叉的拐角R大致为0.05mm以下的方式构成,所以,在将非旋转切削工具1用于涡旋式压缩机的精加工时,用于涡旋部102、105与底面101、104之间的拐角R,与工具形状的R具有大致相同的形状,所以,提高在将可动侧涡旋部和固定侧涡旋配合时的密封程度,可以提高涡旋式压缩机的压缩效率。
此外,由于将外周刀刃5及底刀刃6的研磨面的粗糙度控制在大约1.6μmRz以下,所以,作为精加工,可以获得足够的加工面精度。
此外,由于外周刀刃5及底刀刃的刀尖R分别在大约0.03mm以下,所以,作为精加工,可以获得足够的加工面精度。
此外,由于外周刀刃5在从以柄3为基准时其外周刀刃5的几何学的直线的偏离在3μm以下,且底刀刃6从柄3为基准时的该底刀刃6的几何形状的偏离在3μm以下,所以作为精加工可以获得足够的加工面精度。
其次,参照图4(a)说明第二个实施例。与在第一个实施例的非旋转切削工具1中,底刀刃6构成直线状相对,在第二个实施例的非旋转切削工具20中,底刀刃26弯曲成大致的圆弧状。此外,与前述的第一个实施例相同的部分赋予相同的标号,省略其说明。
图4(a)是第二个实施例中非旋转切削工具20的正视图,省略了柄3。第二个实施例的非旋转切削工具20,如图4(a)所示,工具主体22的底面侧(图4(a)的上侧)弯曲成大致的圆弧状,与第一个实施例一样,通过研磨涂敷到其外表面上的金刚石被膜,形成外周刀刃5及底刀刃26。
根据这种非旋转切削工具20,可以获得与第一个实施例的非旋转切削工具1实质上相同的作用效果,例如,适合于在被切削材料上进行槽的加工。即,采用非旋转切削工具20,可以切削加工底面顺滑弯曲的槽。此外,根据这种非旋转切削工具20,将工具主体22预先加工成与所需的槽的形状对应的形状,然后,涂敷金刚石被膜,进行研磨,可以很容易成形刀刃部24的形状。
其次,参照图4(b)说明第三个实施例。相对于在第一个实施例的非旋转切削工具1中,底刀刃6构成平坦状,在第三个实施例的非旋转切削工具30中,底刀刃36构成向外方凸出的大致为V字形的锥状。此外,与前述第一个实施例相同的部分,赋予相同的标号,省略其说明。
图4(b)是第三个实施例中的非旋转切削工具30的正视图,省略了柄3。在第三个实施例中的非旋转切削工具30,如图4(b)所示,工具主体32的底面侧(图4(b)上侧)构成向外方凸出的大致的V字锥状,和第一个实施例同样,提高研磨涂敷在其外表面上的金刚石被(覆)膜,形成外周刀刃5及底刀刃36。
根据该非旋转切削工具30,获得和第一个实施例中非切削切削工具1实质上同样的作用效果,例如,可以将被切削材料切削加工成截面形状大致为V字状的槽。此外,通过该非旋转切削工具30,将工具主体32预先加工成对应于所需的槽的形状的形状,然后,涂敷金刚石被膜,并进行研磨构成,所以,可以很容易成形刀刃部34的形状。
上面,根据实施例对本发明进行了说明,但本发明并不局限于上述实施例,在不脱离本发明的主旨的范围面,可以进行各种改进变形。
例如,在上述实施例中,外周刀刃5仅形成于主体2的侧壁的一个部位处,但也可以形成于主体2的侧壁部的两侧(即,前倾面的两侧)。
此外,在上述各实施例中没有特别加以说明,非旋转切削工具1、20、30可以利用下面所述的方法,进行回收再利用。即,非旋转切削工具1、20、30由于其刀刃部4、24、34由金刚石被膜面(研磨面)构成,所以,将使用寿命到期的非旋转切削工具1、20、30在炉中燃烧,除去金刚石被膜之后,通过再次涂敷金刚石被膜,并将其研磨,可以再生刀刃部4、24、34,能够以低成本实现非旋转切削工具1、20、30的回收再利用。

Claims (6)

1.一种非旋转切削工具,包括柄、与该柄在同一个轴上成一整体地连接设置的主体、设置在该主体的侧面上的外周刀刃、在前述主体的前端部与前述外周刀刃连接设置的底刀刃,并且利用前述外周刀刃和前述底刀刃形成的面以相对于切削进行方向成大致垂直的姿势进行切削行进,
其特征在于,前述外周刀刃或前述底刀刃的表面中至少其中之一涂敷金刚石被膜,并且前述外周刀刃或前述底刀刃的表面的金刚石被膜中至少其中之一被研磨,
工具主体(2)的与柄的轴方向垂直的截面形状为半月状,包括半圆的外周面和扁平的前倾面,底刀刃是前倾面与后隙面的棱线以相对于柄(3)的轴成为法线方向的方式形成在工具主体的底面上的切削刃。
2.如权利要求1所述的非旋转切削工具,其特征在于,用于具有底面和从该底面大致垂直地竖立设置的涡旋部的涡旋式压缩机的加工,
通过使前述非旋转切削工具切削行进,前述外周刀刃切削前述涡旋部的同时,前述底刀刃切削前述底面。
3.如权利要求2所述的非旋转切削工具,其特征在于,前述外周刀刃与前述底刀刃交叉的拐角的R大致在0.05mm以下。
4.如权利要求1至3中任何一个所述的非旋转切削工具,其特征在于,前述外周刀刃或前述底刀刃至少其中之一的研磨面的粗糙度在大致1.60μmRz以下。
5.如权利要求1至3中任何一个所述的非旋转切削工具,其特征在于,前述外周刀刃或前述底刀刃中至少其中之一的刀尖的R大致为0.03mm以下。
6.如权利要求1至3中任何一个所述的非旋转切削工具,其特征在于,前述外周刀刃从以前述柄为基准时的该外周刀刃的几何直线偏离在3μm以下,并且,前述底刀刃从前述柄为基准时的该底刀刃的几何形状的偏离在3μm以下。
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US20040221696A1 (en) 2004-11-11
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US20050166739A1 (en) 2005-08-04
KR101078618B1 (ko) 2011-11-07
JP4088570B2 (ja) 2008-05-21
JP2004351606A (ja) 2004-12-16
KR20040095611A (ko) 2004-11-15
US7237992B2 (en) 2007-07-03

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