CN103658697A - 新型大走刀量断屑机夹刀片 - Google Patents

新型大走刀量断屑机夹刀片 Download PDF

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Publication number
CN103658697A
CN103658697A CN201210362703.XA CN201210362703A CN103658697A CN 103658697 A CN103658697 A CN 103658697A CN 201210362703 A CN201210362703 A CN 201210362703A CN 103658697 A CN103658697 A CN 103658697A
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chip breaking
novel large
machine clamping
clamping blade
feed
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CN201210362703.XA
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马学礼
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    • 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
    • B23B27/14Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/141Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness
    • B23B27/145Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness characterised by having a special shape
    • 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
    • B23B27/14Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/141Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness
    • B23B27/143Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness characterised by having chip-breakers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

本发明“新型大走刀量断屑机夹刀片”提供了一种金属切削加工方面的一种新型硬质合金机夹刀片。本发明“新型大走刀量断屑机夹刀片”的特点是刀片的主切削刃低于前刀面0.5-2毫米,前角r为5°-20°,另有一个喇叭口形的断屑槽。使用本发明“新型大走刀量断屑机夹刀片”进行切削时,均可保证断屑,不会出现长卷屑与带状铁屑,所以很安全。由于本发明“新型大走刀量断屑机夹刀片”有一过渡刃与修光刃刀具耐用度高。可采用大走刀量与高速切削,加工的表面光洁度高、加工效率高。

Description

新型大走刀量断屑机夹刀片
所属领域:
本发明《新型大走刀量断屑机夹刀片》属于金属切削加工刀具领域
背景技术:
目前国内外在金属切削加工方面,都在以机械夹固式刀具替代焊接式刀具,其中所用刀片,大部分都采用硬质合金刀片。根据不同的加工情况所采用的硬质合金刀片,大体上分为三角型、四方型与多角型等形式。
不论那种形式,现有的硬质合金刀片都有共性:主切削刃与前刀面都在同一平面上,断屑槽大都为园弧直槽型,刀尖为小园弧r型,没有过渡刃与修光刃,如附图1、附图2所示。
由于现有的机械夹固式硬质合金刀片其主切削刃与前刀面在同一平面上,断屑槽是园弧直槽形的,难以保证断屑。另外,由于刀尖是小园弧的,没有修光刃,所以不能进行大走刀量高速切削,如果走刀量大,加工出来的表面就会出现小r的螺旋形表面。由于刀尖没有过渡刃与修光刃,刀尖的散热条件差,强度低,所以刀具耐用度也不高。
发明内容:
本发明“新型大走刀量断屑机夹刀片”,是提供一种主切削刃低于前刀面0.5-2毫米,前角r=5°-20°,并有过渡刃与修光刃,还有小喇叭口形的断屑槽的一种新型的可保证断屑的新型机械夹固式硬质合金刀片。如图3、图4所示。
有益效果:
由于本发明“新型大走刀量断屑机夹刀片”主切削刃低于前刀面0.5-2毫米,又有r=5°-20°的前角及喇叭口形的断屑槽,喇叭口形断屑槽的根部为小半园弧形断屑槽的夹角为115°,这就能保证切削时断屑。
由于本发明“新型大走刀量断屑机夹刀片”主切削刃有过渡刃与修光刃,所以刀尖强度大、散热条件好,可进行大走刀量高速切削,加工表面光洁度高,刀具耐用度也高。
附图说明:
图1为现有三角形机械夹固硬质合金刀片示意图;
图2为现有四方形机械夹固硬质合金刀片示意图
图3为本发明“新型大走刀量断屑机夹刀片”三角形机夹刀片示意图;
图4为本发明“新型大走刀量断屑机夹刀片”四方形机夹刀片示意图。

Claims (6)

1.本发明为“新型大走刀量断屑机夹刀片”其特征在于:主切削刃低于前刀面0.5-2毫米。
2.根据权利要求1所述的“新型大走刀量断屑机夹刀片”,其特征在于,前角r=5°-20°。
3.根据权利要求1、2所述的“新型大走刀量断屑机夹刀片”,其特征在于主切削刃有一个过渡刃与修光刃。
4.根据权利要求1、2、3所述的“新型大走刀量断屑机夹刀片”,其特征在于有一个喇叭口形的断屑槽。
5.根据权利要求1、2、3、4所述的“新型大走刀量断屑机夹刀片”,其特征在于有喇叭口形断屑槽的根部有0.5-1毫米的小园弧。
6.根据权利要求1、2、3、4、5所述的“新型大走刀量断屑机夹刀片”,其特征在于断屑槽的夹角为115°。 
CN201210362703.XA 2012-09-26 2012-09-26 新型大走刀量断屑机夹刀片 Pending CN103658697A (zh)

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CN201210362703.XA CN103658697A (zh) 2012-09-26 2012-09-26 新型大走刀量断屑机夹刀片

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CN103658697A true CN103658697A (zh) 2014-03-26

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2298892Y (zh) * 1997-06-26 1998-12-02 株洲硬质合金厂 一种车削盘形钢件的圆刀片
EP0956921A2 (en) * 1998-05-06 1999-11-17 Sandvik Aktiebolag Indexable insert for end mill.
CN201220282Y (zh) * 2008-07-22 2009-04-15 大连大学 刀具断屑槽
US20090155005A1 (en) * 2007-12-13 2009-06-18 Seco Tools Ab Cutting insert and tool for chip removing machining
CN201543848U (zh) * 2009-09-22 2010-08-11 广西玉柴机器股份有限公司 一种能防止积屑瘤产生的刀片
CN201744672U (zh) * 2010-06-09 2011-02-16 孙生强 一种复合功能可转位刀具、刀条及紧固装置
CN102601397A (zh) * 2012-03-29 2012-07-25 株洲华锐硬质合金工具有限责任公司 一种车火车轮圆形的车刀片及其制作方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2298892Y (zh) * 1997-06-26 1998-12-02 株洲硬质合金厂 一种车削盘形钢件的圆刀片
EP0956921A2 (en) * 1998-05-06 1999-11-17 Sandvik Aktiebolag Indexable insert for end mill.
US20090155005A1 (en) * 2007-12-13 2009-06-18 Seco Tools Ab Cutting insert and tool for chip removing machining
CN201220282Y (zh) * 2008-07-22 2009-04-15 大连大学 刀具断屑槽
CN201543848U (zh) * 2009-09-22 2010-08-11 广西玉柴机器股份有限公司 一种能防止积屑瘤产生的刀片
CN201744672U (zh) * 2010-06-09 2011-02-16 孙生强 一种复合功能可转位刀具、刀条及紧固装置
CN102601397A (zh) * 2012-03-29 2012-07-25 株洲华锐硬质合金工具有限责任公司 一种车火车轮圆形的车刀片及其制作方法

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Application publication date: 20140326