CN101829887B - Method for remanufacturing semi-finishing milling cutter by using abandoned finishing milling cutter - Google Patents

Method for remanufacturing semi-finishing milling cutter by using abandoned finishing milling cutter Download PDF

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CN101829887B
CN101829887B CN 201010175340 CN201010175340A CN101829887B CN 101829887 B CN101829887 B CN 101829887B CN 201010175340 CN201010175340 CN 201010175340 CN 201010175340 A CN201010175340 A CN 201010175340A CN 101829887 B CN101829887 B CN 101829887B
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groove
restructuring
fine
milling cutter
cutter wheel
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CN 201010175340
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Chinese (zh)
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CN101829887A (en
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刘剑
孙盛丽
张奇
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哈尔滨汽轮机厂有限责任公司
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Abstract

The invention discloses a method for remanufacturing a semi-finishing milling cutter by using an abandoned finishing milling cutter, which relates to the technical field of metal cold processing, in particular to the method for remanufacturing the semi-finishing milling cutter by using the abandoned finishing milling cutter. The method aims to solve the problem that the consumption of the semi-finishing milling cutter in a conventional wheel slot milling cutter is large, and comprises the following steps of: firstly, determining the finishing allowance; secondly, remanufacturing the top circle of a wheel slot finishing milling cutter; thirdly, remanufacturing profile molded lines of a threaded part of the wheel slot finishing milling cutter; and finally, remanufacturing end teeth of the wheel slot finishing milling cutter. The method is particularly suitable for remanufacturing a worn abandoned wheel slot finishing milling cutter into a wheel slot semi-finishing milling cutter.

Description

一种利用报废轮槽精铣刀改制轮槽半精铣刀的方法 A semi-fine milling process scrap fine cutter wheel groove cam groove using restructuring

技术领域 FIELD

[0001] 本发明涉及金属冷加工技术领域,特别是涉及一种利用报废精铣刀改制半精铣刀的方法。 [0001] The present invention relates to metal cold technical field, in particular semi-intensive method of fine cutter restructuring relates to a milling cutter scrapped.

背景技术 Background technique

[0002] 轮槽铣刀是加工汽轮机转子轮槽的专用成型刀具,为了保证轮槽加工精度及余量分配,每个转子轮槽由粗铣刀、半精铣刀(一把或两把)和精铣刀来加工完成,半精铣刀为直槽槽型,且担负较大的切削余量加工,是三种铣刀中用量最大的轮槽刀具,消耗量大。 [0002] The cutter wheel groove forming tool is dedicated processing turbine rotor wheel groove, in order to ensure the machining accuracy and balance wheel slot allocation, each slot of the rotor wheel cutter crude, semi-refined mill (one or two) and fine cutter to complete machining, semi-finishing cutter groove is a straight groove, and assume large cutting margin processing, are the three largest amount milling cutter wheel slot, large consumption.

发明内容 SUMMARY

[0003] 本发明的目的是为了解决现有轮槽铣刀刀具中半精铣刀消耗量大的问题,进而提供了一种利用报废轮槽精铣刀改制轮槽半精铣刀的方法。 [0003] The object of the present invention is to solve the conventional wheel groove milling cutter a large semi-finishing cutter consumption problems, thus providing a method of utilizing scrap fine cutter wheel groove cam groove restructuring semi-fine milling cutter.

[0004] 本发明的技术方案是:本发明该方法的步骤如下:步骤一、确定加工余量,对每个待改制的轮槽精铣刀在放大仪上检验,保证标准轮槽半精铣刀螺纹部分的型线轮廓的单面尺寸小于待改制轮槽精铣刀的螺纹部分的型线轮廓的单面尺寸0. 2mm,以确定待改制轮槽精铣刀有足够的余量进行修磨,使改制后的轮槽精铣刀的外形轮廓尺寸符合加工精度要求; [0004] aspect of the present invention is: a step of the method of the present invention follows: Step 1, allowance is determined for each wheel fine cutter to be restructured in the enlarged groove on the test device, the standard wheel slot to ensure fine roughing Single size of profile of the screw blade portion is smaller than the fine grooves to be restructured cutter wheel profile contour of one side of the threaded portion size 0. 2mm, be restructured in order to determine fine cutter wheel slot has a sufficient margin for repair grinding the size of the outline of the cutter wheel fine grooves after the reform meet the requirements of machining precision;

[0005] 步骤二、轮槽精铣刀外圆的改制,利用数控线切割机床切割经步骤一检验合格后的待改制轮槽精铣刀的定位外圆,使定位外圆的径向尺寸单面留出0. 3mm磨削余量,再使用外圆磨床将待改制轮槽精铣刀定位外圆的直径磨至标准轮槽半精铣刀定位外圆的直径的大小; [0005] Step two, the finish-grinding wheel outer groove restructuring, by using a CNC EDM cutting step of positioning a test round outer groove restructuring fine cutter to be qualified after the radial dimension of the positioning cylindrical single leaving 0. 3mm surface grinding allowance, and then to be restructured using the cylindrical grinder wheel groove fine milling tool diameter cylindrical grinding wheel to a size standard semi-finishing cutter positioning groove outer diameter;

[0006] 步骤三、轮槽精铣刀螺纹部分轮廓型线的改制,利用五轴数控磨床,将经步骤二的待改制轮槽精铣刀的螺纹部分的型线轮廓I加工为标准轮槽半精铣刀螺纹部分的型线轮廓II,型线轮廓加工后的待改制轮槽精铣刀为正弦波刃,波刃的槽深为0. 2mm〜0. 3mm,波刃的分屑槽宽度为1〜2mm,各齿为交错波刃槽型,保证待改制轮槽精铣刀的四条切削刃分屑互补,波刃的波长及波深均勻,铲磨量为3mm,圆周齿前角Φ为0° ; [0006] Step three, restructuring fine cutter wheel groove profile contour of the threaded portion, the use of five-axis CNC grinding machine, the profile to be restructured by the step of finish-grinding wheel groove two threaded portions processed to a standard rim contour groove I semi-finishing cutter profile contour of the threaded portion II, to be restructured after the finish-grinding wheel groove profile contour is sinusoidal edge, the groove depth wave edge is 0. 2mm~0. 3mm, wave pattern of flutes division width 1~2mm, staggered teeth wave pattern groove to ensure that four chip cutting edge division to be restructured fine cutter wheel groove complementary to the wavelength of the wave and edge wave uniform depth, an amount of grinding 3mm, the circumferential teeth rake angle Φ is 0 °;

[0007] 步骤四、轮槽精铣刀端齿的改制,将经步骤三的待改制轮槽精铣刀的端齿截面加工为碟形,碟形角Y为3°,端齿的第一后角α为6°,第二后角β为12°,加工后得到改制后的轮槽精铣刀。 [0007] Step 4 wheel groove ends restructuring fine cutter teeth, will be processed by the end teeth sectional restructuring fine cutter wheel groove is step three disk, disk Y angle is 3 °, the first ends of the teeth the angle α of 6 °, the second angle β is 12 °, after processing to give fine cutter wheel groove after the reform.

[0008] 本发明具有以下有益效果:将磨损报废的轮槽精铣刀改制为轮槽半精铣刀,改制后的轮槽半精铣刀在实际切削加工中,切削平稳,排屑顺畅,切削性能及刀具使用寿命均等同于外购新轮槽半精铣刀刀具的水平,从而减少了该刀具的外购量,变废为宝且制造成本低。 [0008] The present invention has the following advantages: The fine grooves wear scrap cutter wheel cam groove restructuring semi-finishing cutter, cutter wheel groove semi-intensive restructuring after the actual cutting process, cutting a smooth, smooth chip removal, and cutting tool life are purchased equivalent to the level of the new semi-finishing wheel grooves the cutting tool, thereby reducing the amount of purchased the tool, turning waste into low manufacturing cost.

附图说明 BRIEF DESCRIPTION

[0009] 图1是本发明中待改制的轮槽精铣刀的结构示意图;图2是本发明中改制后的轮槽精铣刀的结构示意图;图3是待改制的轮槽精铣刀与标准轮槽半精铣刀螺纹部分型线轮廓对照图;图4是改制后的轮槽精铣刀波刃的局部放大图;图5是改制后的轮槽精铣刀端齿的剖面图;图6是改制后的轮槽精铣刀圆周齿前角的示意图;图7是改制后的轮槽精铣刀端齿的第一后角及第二后角的位置关系图。 [0009] FIG. 1 is a schematic view of finish-grinding grooves to be restructured wheel structure of the present invention; FIG. 2 is a schematic view of the present invention, after the restructuring of the fine groove cutter wheel; FIG. 3 is to be restructured fine cutter wheel groove standard semi-finishing cutter wheel slot a threaded portion of profile control; Figure 4 is a partially enlarged view of the wave pattern of fine cutter wheel after the reform groove; FIG. 5 is a sectional view fine toothed wheel groove end mill after the restructuring ; FIG. 6 is a finish-grinding wheel the tooth groove after the restructuring schematic front circumferential angle; FIG. 7 is a rear view of a first angular positional relationship between the cam groove restructuring after finishing cutter and the ends of the teeth of the second relief angle.

具体实施方式 Detailed ways

[0010] 具体实施方式一:结合图1至图7说明本实施方式,本实施方式是通过以下步骤实现的: [0010] In a particular embodiment: Figures 1 to 7 in conjunction with the present embodiment described embodiment, the present embodiment is achieved by the following steps:

[0011] 步骤一、确定加工余量,对每个待改制的轮槽精铣刀1在放大仪上检验,保证标准轮槽半精铣刀型线轮廓II的单面尺寸小于待改制轮槽精铣刀1的型线轮廓I的单面尺寸0. 2mm,即待改制的轮槽精铣刀1的型线轮廓I单面加工余量大于0. 2mm,以确定待改制轮槽精铣刀1有足够的余量进行修磨,使改制后的轮槽精铣刀的外形轮廓尺寸符合加工精度要求(轮槽半精铣刀是精度要求较高的刀具,型线轮廓精度在0. 02mm以内)。 [0011] Step a determined allowance, fine cutter wheel for each groove to be restructured in the amplifying apparatus 1 on the inspection to ensure the standard size single-sided semi-finishing cutter wheel groove of profile II to be smaller than the wheel groove restructuring Single size fine line profile cutter type 1 I of 0. 2mm, i.e., fine cutter wheel groove profile 1 to be remanufactured I sided contour allowance greater than 0. 2mm, be restructured in order to determine the wheel groove finishing knife 1 has a sufficient margin for grinding the size of the outline restructuring after finishing cutter wheel slot meets precision machining (finish-grinding wheel groove half are high precision tools, 0 of profile accuracy. 02mm or less). 汽轮机转子加工用的轮槽半精铣刀的型线刃口上开有断屑槽,切削轻快、平稳。 The chip breaker is opened on the edge profile of the cam groove Turbine Rotor semi-fine milling machining, the cutting light, smooth.

[0012] 步骤二、轮槽精铣刀外圆的改制,利用数控线切割机床切割经步骤一检验合格后的待改制轮槽精铣刀1的定位外圆1-1,使定位外圆1-1的径向尺寸单面留出0. 3mm磨削余量,再使用外圆磨床将待改制轮槽精铣刀1定位外圆1-1的直径Dl磨至标准轮槽半精铣刀定位外圆2-1的直径D2的大小;待改制轮槽精铣刀1的定位外圆1-1的直径Dl比标准轮槽半精铣刀的定位外圆2-1的直径D2大很多,是为了保证刀具制造质量,避免在大余量加工中出现刀具退火现象。 [0012] Step two, the finish-grinding wheel outer groove restructuring, by using a CNC EDM cutting step of a test to be qualified after the reform groove fine cutter wheel 1 positioned outer circle 1-1, a cylindrical positioning -1 leaving a radial dimension of 0. 3mm sided grinding allowance, and then to be restructured using the cylindrical grinder wheel fine groove cutter 1 is positioned outer diameter Dl 1-1 grinding wheel groove to the standard semi-finishing cutter positioning the outer diameter D2 of the size 2-1; outer diameter Dl positioning semi-intensive than the positioning groove cutter wheel standard outer groove 1-1 to be restructured fine cutter wheel 1 much larger diameter D2 2-1 It is to ensure that the tool manufacturing quality, to avoid the phenomenon of annealing tool in machining large margin.

[0013] 步骤三、轮槽精铣刀螺纹部分轮廓型线的改制,利用五轴数控磨床,将经步骤二的待改制轮槽精铣刀1的螺纹部分1-2的轮廓型线I加工为标准轮槽半精铣刀螺纹部分的轮廓型线II,轮廓型线加工后的待改制轮槽精铣刀1为正弦波刃,波刃的槽深h为0. 2mm〜 0. 3mm,波刃的分屑槽宽度T为1〜2mm,各齿为交错波刃槽型,保证待改制轮槽精铣刀1的四条切削刃分屑互补,波刃的波长及波深均勻,铲磨量K为3mm,圆周齿前角Φ为0° ;粗糙度不低于RaO. 8,以满足刀具各齿切削余量分配均勻,减小切削力,提高刀具耐用度和使用寿命ο [0013] Step three, restructuring fine cutter wheel groove profile contour of the threaded portion, the use of five-axis CNC grinding machine, to be restructured by the step of finish-grinding wheel slot two threaded portions a contour profile processing I 1-2 contour line II type semi-finishing cutter standard rim groove of the threaded portion to be restructured after machining the cam groove profile contour fine cutter blade 1 is a sine wave edge groove depth h is 0. 2mm~ 0. 3mm, partial chip groove width T wave edge is 1~2mm, staggered teeth wave pattern groove, the cam groove to ensure fine cutter to be restructured four cutting edges of the sub chip 1 is complementary to, the wavelength of the wave and edge wave uniform depth, relief grinding K is the amount of 3mm, the circumferential teeth of the rake angle Φ 0 °; roughness of not less than RaO 8, each of the teeth to satisfy the tool cutting allowance evenly distributed, reducing the cutting forces, increase tool life and service life ο.

[0014] 步骤四、轮槽精铣刀端齿的改制,将经步骤三的待改制轮槽精铣刀1的端齿截面加工为碟形,碟形角Y为3°,端齿的第一后角α为6°,第二后角β为12°,加工后得到改制后的轮槽精铣刀2 ;上述角度设计可保证端齿排屑顺畅,保证轮槽半精铣刀的切削加工精度。 [0014] Step 4 wheel groove ends restructuring fine cutter teeth, will be processed by the end teeth sectional restructuring groove fine cutter wheel 1 is step three disk, disk Y angle is 3 °, the first ends of the teeth a clearance angle α of 6 °, the second angle β is 12 °, after processing to give fine cutter wheel 2 after the reform groove; and the angle of the end teeth design ensures smooth chip removal, the cutting wheel to ensure the grooves of semi-fine milling Precision.

[0015] 具体实施方式二:本实施方式还包括步骤五,所述步骤五将经步骤四得到的改制后的轮槽精铣刀2镀以TiAlN纳米复合涂层。 [0015] DETAILED Embodiment 2: Embodiment of the present embodiment further comprises the step five, the cam groove fine cutter after said step of restructuring the five obtained via step 2, four TiAlN coated with nanocomposite coatings. 具有该涂层的刀具耐磨性高且摩擦系数低, 可提高刀具的使用寿命。 Tool wear resistance of the coating is high and has a low coefficient of friction, improved tool life. 其它步骤和参数与具体实施方式一相同。 Other steps and parameters same as a specific embodiment.

Claims (2)

1. 一种利用报废轮槽精铣刀改制轮槽半精铣刀的方法,其特征在于该方法的步骤如下:步骤一、确定加工余量,对每个待改制的轮槽精铣刀(1)在放大仪上检验,保证标准轮槽半精铣刀螺纹部分的型线轮廓(II)的单面尺寸小于待改制轮槽精铣刀(1)的螺纹部分的型线轮廓(I)的单面尺寸0. 2mm,以确定待改制轮槽精铣刀(1)有足够的余量进行修磨, 使改制后的轮槽精铣刀的外形轮廓尺寸符合加工精度要求;步骤二、轮槽精铣刀外圆的改制,利用数控线切割机床切割经步骤一检验合格后的待改制轮槽精铣刀(1)的定位外圆(1-1),使定位外圆(1-1)的径向尺寸单面留出0. 3mm磨削余量,再使用外圆磨床将待改制轮槽精铣刀(1)定位外圆(1-1)的直径(Dl)磨至标准轮槽半精铣刀定位外圆的直径(D2)的大小;步骤三、轮槽精铣刀螺纹部分轮廓型线的改制,利用五轴数 1. A method for restructuring scrap cutter wheel fine groove cam groove cutter semi-intensive use, characterized in that the method comprises the following steps: a step to determine the allowance, fine cutter wheel for each groove to be restructured ( 1) on the instrument in an enlarged testing to ensure the threaded portion of profile (I-type semi-finishing cutter line profile standard rim groove of the threaded portion (II) is smaller than the size of one side of the groove to be restructured fine cutter wheel (1)) the Single size 0. 2mm, be restructured in order to determine fine cutter wheel groove (1) there is a sufficient margin for grinding the size of the outline restructuring after finishing cutter wheel slot meets requirements of machining precision; step two, finish-grinding wheel outer groove restructuring, by using a CNC EDM cutting step of a test to be restructured groove fine cutter wheel (1) after passing positioned outer (1-1), the positioning cylindrical (1- 1) the radial dimension of one side of the grinding allowance leaving 0. 3mm, cylindrical grinder to be used again restructured groove fine cutter wheel (1) is positioned outer (1-1) has a diameter (Dl) was ground to a standard size of the cam groove of semi-finishing milling tool outer diameter (D2); and step three, restructuring fine cutter wheel groove profile contour of the threaded portion, the number of five-axis using 控磨床,将经步骤二的待改制轮槽精铣刀(1)的螺纹部分(1-¾的型线轮廓(I)加工为标准轮槽半精铣刀螺纹部分的型线轮廓(II),型线轮廓加工后的待改制轮槽精铣刀(1)为正弦波刃,波刃的槽深(h) 为0. 2mm〜0. 3mm,波刃的分屑槽宽度(T)为1〜2mm,各齿为交错波刃槽型,保证待改制轮槽精铣刀(1)的四条切削刃分屑互补,波刃的波长及波深均勻,铲磨量为3mm,圆周齿前角(Φ)为0° ;步骤四、轮槽精铣刀端齿的改制,将经步骤三的待改制轮槽精铣刀(1)的端齿截面加工为碟形,碟形角(Y)为3°,端齿的第一后角(α)为6°,第二后角(β)为12°,加工后得到改制后的轮槽精铣刀O)。 Controlled grinding machine, the steps to be restructured by fine cutter wheel groove (1) two threaded portions of profile (I) (1-¾ of profile processing is (II semi-finishing cutter wheel slot threaded portion standard) until restructuring groove fine cutter wheel (1) after the profile contour of the blade sine wave edge groove depth (h) is 0. 2mm~0. 3mm, a groove width of chip divider (T) is a wave pattern 1~2mm, staggered teeth wave pattern groove to ensure that the restructuring to be finish-grinding wheel groove (1) of the four sub chips complementary cutting edge, and the wavelength of the wave of deep uniform wave pattern, relief grinding amount is 3mm, the circumferential teeth before angle ([Phi]) is 0 °; step four, the fine groove cutter wheel teeth restructuring end, the cross section through the end teeth restructuring processing steps to be finish-grinding wheel groove (1) is a three-disk, disk angle (Y ) is 3 °, the ends of the teeth of the first angle ([alpha]) of 6 °, the second angle (beta]) of 12 °, after processing to give fine cutter wheel slot after the reform O).
2.根据权利要求1所述的一种利用报废轮槽精铣刀改制轮槽半精铣刀的方法,其特征在于:它还包括步骤五,所述步骤五将经步骤四得到的改制后的轮槽精铣刀(¾镀以TiAlN 纳米复合涂层。 2. A method for finish-grinding wheel groove semi-intensive restructuring scrap cutter wheel with the groove to claim 1, characterized in that: further comprising the step of restructuring five, five to said step by step obtained after four finish-grinding wheel groove (¾ nanocomposite coated with TiAlN coating.
CN 201010175340 2010-05-18 2010-05-18 Method for remanufacturing semi-finishing milling cutter by using abandoned finishing milling cutter CN101829887B (en)

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CN103464997B (en) * 2013-08-30 2016-05-04 哈尔滨汽轮机厂有限责任公司 One is scrapped race tapering milling cutter recycling method
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CN103921090B (en) * 2014-04-28 2017-06-30 哈尔滨汽轮机厂有限责任公司 A kind of processing method of semi-precise milling cutter for concave groove
CN105710426B (en) * 2016-04-08 2018-05-22 哈尔滨汽轮机厂有限责任公司 A kind of processing method of large size semi-precise milling cutter for concave groove
CN107552850A (en) * 2017-09-01 2018-01-09 恒锋工具股份有限公司 A kind of leaf slot milling processing technology

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB724118A (en) * 1951-04-24 1955-02-16 Walztechnik G M B H Process for the production of milling cutters, especially hobbing cutters
US4832540A (en) * 1988-04-27 1989-05-23 Westinghouse Electric Corp. Reconditioned milling tool and method of making same
DE102006005401A1 (en) * 2006-02-03 2007-08-09 Gesau-Werkzeuge Fabrikations- Und Service Gmbh Shaft milling tool, is formed by producing a blank from a hard metal, and applying a hard material layer
CN101062539B (en) * 2006-04-28 2010-12-01 上海尖点精密工具有限公司 Method for manufacturing regenerative cutting tools and its structure
IL177336A (en) * 2006-08-07 2013-05-30 Hanita Metal Works Ltd Chatter-resistant end mill

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