CN101081450A - 一种大刃倾角铰刀 - Google Patents

一种大刃倾角铰刀 Download PDF

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CN101081450A
CN101081450A CN 200610027102 CN200610027102A CN101081450A CN 101081450 A CN101081450 A CN 101081450A CN 200610027102 CN200610027102 CN 200610027102 CN 200610027102 A CN200610027102 A CN 200610027102A CN 101081450 A CN101081450 A CN 101081450A
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alloy blade
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CN101081450B (zh
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任定文
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Mersen Xianda Shanghai Co Ltd
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XIANDA PRESSURE CONTAINER MANUFACTURING Co Ltd SHANGHAI
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Abstract

本发明涉及一种大刃倾角铰刀。包括刀柄、刀体、合金刀片,其特征在于:合金刀片位于刀体头部,沿圆周均匀嵌入分布,合金刀片与轴线呈2°-4°的夹角,在合金刀片的切削头部的刀刃有一16°-20°的倾角,倾角部分的刀刃长为6-10mm。合金刀片的刀刃的刃宽为0.1-0.3mm,在刀刃的后部有一6°-10°的后角。合金刀片与轴线呈3°的夹角,合金刀片的切削头部的刀刃有一18°的倾角。合金刀片的刀刃的刃宽为0.2mm,在刀刃的后部有一8°的后角。合金刀片有四片。本发明的优点是将原有的刀刃的点接触改为线切削,提高了切削的稳定性及刚性,提高切削速度,降低了铰刀的磨损,又提高了加工精度降低了孔的表面粗糙度。

Description

一种大刃倾角铰刀
技术领域
本发明涉及一种铰刀,特别是一种大刃倾角铰刀。
背景技术
目前在工件上进行孔的加工中,为了降低孔的表面粗糙度和提高孔的精度,大量使用铰孔切削工艺,但是现在的标准铰刀的刃带为四个点接触切削面,在钻孔中铰刀的振动较大,无法降低孔的表面粗糙度和提高孔的精度,在使用大的切削速度时容易发生铰刀刃的局部过热,从而限制了铰刀的生产效率,因此亟待改善铰刀的加工特性。
发明内容
本发明的目的是解决现有技术中标准铰刀因刀刃的点接触在进行孔的加工中所存在的上述问题,提供一种大刃倾角铰刀。本发明设计一种大刃倾角铰刀,包括刀柄、刀体、合金刀片,其特征在于:合金刀片位于刀体头部,沿圆周均匀嵌入分布,合金刀片与轴线呈2°-4°的夹角,在合金刀片的切削头部的刀刃有一16°-20°的倾角,倾角部分的刀刃长为6-10mm。合金刀片的刀刃的刃宽为0.1-0.3mm,在刀刃的后部有一6°-10°的后角。合金刀片与轴线呈3°的夹角,合金刀片的切削头部的刀刃有一18°的倾角。合金刀片的刀刃的刃宽为0.2mm,在刀刃的后部有一8°的后角。合金刀片有四片。本发明的优点是将原有的刀刃的点接触改为线切削,提高了切削的稳定性及刚性,提高切削速度,降低了铰刀的磨损,又提高了加工精度降低了孔的表面粗糙度。
附图说明
下面结合附图和实施例对本发明作详细说明,
附图1为本发明的立体结构示意图,
附图2为本发明的合金刀片立体剖面结构示意图,
具体实施方式
图中包括刀柄1、刀体2、合金刀片3,其特征在于:合金刀片3位于刀体2头部,沿圆周均匀嵌入分布,合金刀片3与轴线呈2°-4°的夹角7,在合金刀片3的切削头部的刀刃4有一16°-20°的倾角5,倾角5部分的刀刃4长为6-10mm。合金刀片3的刀刃4的刃宽为0.1-0.3mm,在刀刃4的后部有一6°-10°的后角6。合金刀片3与轴线呈3°的夹角,合金刀片3的切削头部的刀刃4有一18°的优选倾角5,合金刀片3的刀刃4的刃宽为0.2mm,在刀刃4的后部有一8°的优选后角6。合金刀片3有四片。由于在在合金刀片3的切削头部的刀刃4有一18°的倾角5,使刀刃4具有线接触,大大降低刀刃4前角的切削力,同时在较大的刃倾角的作用下铁屑的流动方向向下流,防止刮伤已经钻孔部位,而在刀刃4的后部有一8°的后角6,能够起到修光的作用,同时还能起到少量的扩孔作用。

Claims (5)

1、一种大刃倾角铰刀,包括刀柄、刀体、合金刀片,其特征在于:合金刀片位于刀体头部,沿圆周均匀嵌入分布,合金刀片与轴线呈2°-4°的夹角,在合金刀片的切削头部的刀刃有一16°-20°的倾角,倾角部分的刀刃长为6-10mm。
2、按权利要求1所述的一种大刃倾角铰刀,其特征在于:合金刀片的刀刃的刃宽为0.1-0.3mm,在刀刃的后部有一6°-10°的后角。
3、按权利要求1所述的一种大刃倾角铰刀,其特征在于:合金刀片与轴线呈3°的夹角,合金刀片的切削头部的刀刃有一18°的倾角。
4、按权利要求2所述的一种大刃倾角铰刀,其特征在于:合金刀片的刀刃的刃宽为0.2mm,在刀刃的后部有一8°的后角。
5、按权利要求1至4所述的一种大刃倾角铰刀,其特征在于:合金刀片有四片。
CN200610027102A 2006-05-30 2006-05-30 一种大刃倾角铰刀 Expired - Fee Related CN101081450B (zh)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102133661A (zh) * 2011-01-24 2011-07-27 李仕清 一种复合铰刀
CN103706882A (zh) * 2012-10-01 2014-04-09 李仕清 一种复合铰刀
CN102133661B (zh) * 2011-01-24 2016-12-14 李仕清 一种复合铰刀
CN109746490A (zh) * 2018-12-28 2019-05-14 广东鸿泰科技股份有限公司 一种空心镶件粘模的切削刀具
CN113478015A (zh) * 2021-07-19 2021-10-08 重庆渝江压铸有限公司 新能源电机壳体轴承孔加工工艺

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412230A1 (de) * 1984-04-02 1985-10-03 Omi Kogyo Co. Ltd., Anjo, Aichi Lochschneidwerkzeug
CN86204196U (zh) * 1986-06-28 1987-09-30 武昌造船厂 大刃倾角不等齿距铰刀
CN2043539U (zh) * 1989-01-07 1989-08-30 王玉林 高光洁度铰刀

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102133661A (zh) * 2011-01-24 2011-07-27 李仕清 一种复合铰刀
CN102133661B (zh) * 2011-01-24 2016-12-14 李仕清 一种复合铰刀
CN103706882A (zh) * 2012-10-01 2014-04-09 李仕清 一种复合铰刀
CN109746490A (zh) * 2018-12-28 2019-05-14 广东鸿泰科技股份有限公司 一种空心镶件粘模的切削刀具
CN113478015A (zh) * 2021-07-19 2021-10-08 重庆渝江压铸有限公司 新能源电机壳体轴承孔加工工艺
CN113478015B (zh) * 2021-07-19 2023-02-24 重庆渝江压铸有限公司 新能源电机壳体轴承孔加工工艺

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