CN101239406B - Bulb slotting cutter and its abrasive machining four-shaft linkage equipment - Google Patents
Bulb slotting cutter and its abrasive machining four-shaft linkage equipment Download PDFInfo
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- CN101239406B CN101239406B CN200810300511XA CN200810300511A CN101239406B CN 101239406 B CN101239406 B CN 101239406B CN 200810300511X A CN200810300511X A CN 200810300511XA CN 200810300511 A CN200810300511 A CN 200810300511A CN 101239406 B CN101239406 B CN 101239406B
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- rake
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Abstract
The invention discloses a bulb end milling cutter and a milling processing four-shaft associated device thereof. An S-shape bulb edge (1) is connected with a spiral circumferential edge (5), a bulb edge front face is connected smoothly with the circumferential edge front face (6), the bulb rear face (3) is connected with the circumferential edge rear face (7), and the bulb edge spiral groove (4) is connected with the circumferential edge spiral groove (8); the front angle of the bulb edge front face (2) is a rather big positive front angle, and is distributed with a small-big-small mode from inside to outside; the milling processing four-shaft associated device of the bulb end milling cutter comprises a latch bed (10), a horizontal longitudinal X axis straight-line motion flat stage (11), a horizontal transversal Y-axis straight-line motion flat stage (12), a vertical Z axis straight-line motion flat stage (13), a workpiece rotating shaft (14), and a front tool face milling head (15), and a rear tool face milling head (16). The invented devices are provided with characteristics of stable milling, smooth chip removal, simple structure, low cost, moderate price, and economic.
Description
Technical field
The present invention relates to a kind of milling tool and process equipment thereof, particularly a kind of ball end mill and abrasive machining four-shaft interlocking equipment thereof that is used for Digit Control Machine Tool processing.
Background technology
Ball end mill is the new structure cutter a kind of commonly used of Digit Control Machine Tool processed complex curved surface, has a wide range of applications in industries such as mould manufacturing, automobile making, space flight and aviation, the manufacturings of telecommunications product.
The rake face of present being seen monoblock type ball end mill is general to adopt four-axle linked following simple grinding equipment to carry out grinding formation, its ball sword is the flush cut sword, ball sword rake face is negative rake or part negative rake, and ball sword (being ball head point cutting edge) rake face and Zhou Ren (are the circumferential section cutting edge, the circumferential section of cylindrical ballnosed end mill cutter is a cylinder, the circumferential section of conical ball end mill is a circular cone) rake face is not smooth connection, such rake face ball end mill is in process, easily produce vibration, cut not steady, phenomenons such as chip removal is not smooth, with its product processed precision and second-rate, use occasion is restricted.Another kind of grinding processing method adopts five-axle linkage grinding lathe to carry out sharpening.The five-axle linkage of such grinding lathe is adopted between two turning cylinders and three shifting axles and is linked, and the equipment design is complicated, device fabrication required precision height, and manufacture difficulty strengthens, and causes the equipment price height.The investment of buying this kind equipment is big, causes the production and the sharpening cost height of ball end mill.
Summary of the invention
Technical problem to be solved by this invention provide a kind of in process, be difficult for to produce vibration, working angles steadily, chip removal ball end mill smoothly, provide a kind of structure simpler simultaneously, invest less, moderate cost, the abrasive machining four-shaft interlocking equipment of the ball end mill of good economy performance.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows: a kind of ball end mill.Its formation comprises bulb part and column part (perhaps tapered segment), knife face and ball sword helicla flute after described bulb partly has S shape ball sword by the centre of sphere, ball sword rake face, ball sword; Knife face and all sword helicla flutes after described column part (perhaps tapered segment) has helical circumferential sword, all sword rake faces, Zhou Ren; Described S shape ball sword is connected with the helical circumferential sword, ball sword rake face and all smooth connections of sword rake face, and knife face is connected with knife face behind the Zhou Ren behind the ball sword, and ball sword helicla flute is connected with all sword helicla flutes; The anterior angle of described ball sword rake face is big positive rake angle, is little size distribution from inside to outside, and promptly less near the top, the middle part is bigger, and is less near circumferential section.
In the above-mentioned ball end mill, near cutting edge a very narrow land is arranged partly, form chamfered edge at described ball sword rake face, the width of this chamfered edge changes with the variation of grinding parameter, is little size distribution from inside to outside, and is promptly less near the top, the middle part is bigger, less near circumferential section.
A kind of abrasive machining four-shaft interlocking equipment of ball end mill.Comprise lathe bed and the vertical X-axis linear motion platform of level, horizontal cross Y-axis linear motion platform, vertical direction Z axle linear motion platform, workpiece rotating shaft and the rake face bistrique, the back knife face bistrique that are installed on the lathe bed, the vertical X-axis linear motion platform of level is vertical mutually with horizontal cross Y-axis linear motion platform; The workpiece rotating shaft is installed on the vertical X-axis linear motion platform of level, and can move along X-axis, Y direction with vertical X-axis linear motion platform of level and horizontal cross Y-axis linear motion platform respectively; Vertical X-axis linear motion platform of vertical direction Z axle linear motion platform and level and horizontal cross Y-axis linear motion platform overlap or overlap with rake face bistrique and back knife face bistrique.
In the abrasive machining four-shaft interlocking equipment of above-mentioned ball end mill, rake face bistrique and the relative both sides that are installed in lathe of knife face bistrique, back.
In the abrasive machining four-shaft interlocking equipment of aforesaid ball end mill, rake face bistrique and back knife face bistrique also can keep the overlapping successively installation of a determining deviation along Z-direction.
In the abrasive machining four-shaft interlocking equipment of aforesaid ball end mill, rake face bistrique and back knife face bistrique also can be contained on the same grinding wheel spindle at a distance of string, but when grinding rake face and back knife face, need to adjust calibration, rotate an established angle.
In the abrasive machining four-shaft interlocking equipment of aforesaid ball end mill, axis 360 degree calibration in horizontal plane that the rake face bistrique can wind perpendicular to horizontal plane rotate.
In the abrasive machining four-shaft interlocking equipment of aforesaid ball end mill, the rake face bistrique can wind perpendicular to X-axis with perpendicular to the axis of Y-axis and rotate.
In the abrasive machining four-shaft interlocking equipment of aforesaid ball end mill, the vertical X-axis linear motion platform of level, horizontal cross Y-axis linear motion platform, vertical direction Z axle linear motion platform all adopt the ball screw transmission.
Compared with prior art, ball cutlery of the present invention has good S shape, and the tooth shape amplitude is bigger, helps the steady of Tool in Cutting process; The anterior angle of its ball sword rake face is big positive rake angle, be little size distribution from inside to outside, promptly less near the top, the middle part is bigger, less near circumferential section, and a very narrow cutting edge band is partly arranged near cutting edge at ball sword rake face, form chamfered edge, the width difference of the different chamfered edges of grinding parameter, width is little size distribution from inside to outside, and is promptly less near the top, the middle part is bigger, less near circumferential section, feasible so higher with its product processed precision and quality, use occasion is wider.Curve can better be connected with cylinder (or circular cone) interface portion at bulb with all sword rake faces smooth the connection with realization ball sword rake face near bulb and circumference handing-over at the bottom of bulb part bottom land curve of the present invention and the circumferential groove, help smooth chip removal, bulb part bottom land curve is that surface of revolution becomes the helical pitch helix, cylindrical ballnosed end mill cutter column part bottom land curve is for protecting the axis helix, and conical ball end mill tapered segment bottom land curve is a conical spiral.The rotating shaft that the abrasive machining four-shaft interlocking equipment of ball end mill of the present invention adopts X, Y, three orthogonal linear motion platforms of Z and rotates around workpiece (ball end mill) axis, reduced by a turning cylinder than 5-axis machining center, thereby make machine tool structure simpler, precision easily guarantees between moving component, has effectively reduced equipment cost.Rake face bistrique of the present invention and back knife face bistrique can realize that a clamping workpiece grinding goes out front and rear knife face, reduced the adjustment sum of errors alignment error of grinding, guaranteed the accuracy of manufacture of ball end mill, ball end mill production unit and user have been had important economic implications.
Description of drawings
Fig. 1 is the structural representation of ball end mill of the present invention;
Fig. 2 is the structural representation of the S shape ball sword of ball end mill of the present invention;
Fig. 3 partly holds the architectural feature schematic diagram of section for the bulb of ball end mill of the present invention;
Fig. 4 is the variation schematic diagram of the rake face cutting edge band of ball end mill of the present invention;
Fig. 5 is the connection diagram of ball sword rake face and all sword rake faces of cylindrical ballnosed end mill cutter of the present invention;
Fig. 6 is the structural representation of the abrasive machining four-shaft interlocking equipment of ball end mill of the present invention;
Fig. 7 is the left-hand side view of Fig. 6.
The specific embodiment
Embodiments of the invention 1: as shown in Figure 1, the formation of ball end mill comprises bulb part and column part, knife face 3 and ball sword helicla flute 4 after bulb partly has S shape ball sword 1 by the centre of sphere, ball sword rake face 2, ball sword; Knife face 7 and all sword helicla flutes 8 after column part has helical circumferential sword 5, all sword rake faces 6, Zhou Ren; S shape ball sword 1 is connected with helical circumferential sword 5, ball sword rake face 2 and all 6 smooth connections of sword rake face, knife face 3 is connected with knife face 7 behind the Zhou Ren behind the ball sword, ball sword helicla flute 4 is connected with all sword helicla flutes 8, the anterior angle of ball sword rake face 2 is big positive rake angle, is little size distribution from inside to outside, and is promptly less near the top, the middle part is bigger, and is less near circumferential section; Near cutting edge a very narrow land 9 is arranged partly at ball sword rake face 2, form chamfered edge (seeing accompanying drawing 4), the width of this chamfered edge changes with the variation of grinding parameter, be little size distribution from inside to outside, promptly less near the top, the middle part is bigger, less near circumferential section.Near curve smooth connection with realization ball sword rake face 2 handing-over of bulb and circumference can better be connected (seeing accompanying drawing 5) at bulb with all sword rake faces 6 at the bottom of the circumferential groove of bulb part bottom land curve and cylinder with the cylinder interface portion, help smooth chip removal, bulb part bottom land curve is that surface of revolution becomes the helical pitch helix, and cylindrical ballnosed end mill cutter column part bottom land curve is for protecting the axis helix.The back knife face of ball end mill is with usually finding is the same, and it is according to a bit forming with the tangent principle grinding of the periphery of emery wheel on arbitrary moment cutting edge (ball sword, Zhou Ren).
The abrasive machining four-shaft interlocking equipment of ball end mill of the present invention as shown in Figure 6, its formation comprises lathe bed 10 and is installed in the vertical X-axis linear motion platform 11 of level, horizontal cross Y-axis linear motion platform 12, vertical direction Z axle linear motion platform 13, workpiece rotating shaft 14, rake face bistrique 15 and back knife face bistrique 16 on the lathe bed 10.Also comprise other servicing units such as hydropneumatic system, lubricating system, cooling system, digital control system, emery wheel arrangement for grinding and servo motion control system.The MYA6025 type universal cutter grinder that lathe bed 10 adopts Xianyang machine tool plant to produce, the servo motion control system is made up of ∑-II series SGDM type servo-driver (model is SGDM-08ADA, SGDM-15ADA), servomotor and the PMAC motion control card in peace river (YASKAWA).Y-axis linear motion platform 12 and cutter and tool grinding machine workbench to vertically move direction parallel, in the grinding process cutter and tool grinding machine vertically, transverse feed mechanism and emery wheel elevating mechanism be locked.Rake face bistrique 15 is used to process rake face, and back knife face bistrique 16 is used to process the back knife face, rake face bistrique 15 and the knife face bistrique 16 relative both sides that are installed in lathe bed 10, back, and grinding goes out the ball end mill front and rear knife face respectively.Rake face bistrique 15 and back knife face bistrique 16 also can be contained on the same grinding wheel spindle at a distance of string, but when grinding rake face and back knife face, need to adjust calibration, rotate an established angle.Axis 360 degree calibration in horizontal plane that rake face bistrique 15 can wind perpendicular to horizontal plane rotate ∑
1, to adjust the angle of grinding wheel spindle and workpiece spindle.Also can wind perpendicular to X-axis with perpendicular to the axis of Y-axis and rotate ∑
2, with attitude (the common ∑ of adjusting emery wheel
2=0 °).The axis normal of the vertical X-axis linear motion platform 11 of the grinding wheel spindle of back knife face bistrique 16 and level.The vertical X-axis linear motion platform 11 of level is vertical mutually with horizontal cross Y-axis linear motion platform 12; Workpiece rotating shaft 14 is installed on the vertical X-axis linear motion platform 11 of level, can move and move along Y direction with horizontal cross Y-axis linear motion platform 12 along X-direction with the vertical X-axis linear motion platform 11 of level; Vertical direction Z axle linear motion platform 13 and vertical X-axis linear motion platform 11 of level and horizontal cross Y-axis linear motion platform 12 overlap joints are to realize between the workpiece (ball end mill) relative motion in vertical direction.The vertical X-axis linear motion platform 11 of level, horizontal cross Y-axis linear motion platform 12, vertical direction Z axle linear motion platform 13 all adopt the ball screw transmission.
Embodiments of the invention 2: comprise bulb part and tapered segment, knife face 3 and ball sword helicla flute 4 after bulb partly has S shape ball sword 1 by the centre of sphere, ball sword rake face 2, ball sword; Knife face 7 and all sword helicla flutes 8 after tapered segment has helical circumferential sword 5, all sword rake faces 6, Zhou Ren; S shape ball sword 1 is connected with helical circumferential sword 5, ball sword rake face 2 and all 6 smooth connections of sword rake face, knife face 3 is connected with knife face 7 behind the Zhou Ren behind the ball sword, ball sword helicla flute 4 is connected with all sword helicla flutes 8, the anterior angle of ball sword rake face 2 is a positive rake angle, is little size distribution from inside to outside, and is promptly less near the top, the middle part is bigger, and is less near circumferential section; Near cutting edge a very narrow land 9 is arranged partly at ball sword rake face 2, form chamfered edge, the width of this chamfered edge changes with the variation of grinding parameter, is little size distribution from inside to outside, and promptly less near the top, the middle part is bigger, less near circumferential section.Near curve smooth connection with realization ball sword rake face 2 handing-over of bulb and circumference can better be connected with the circular cone interface portion at bulb with all sword rake faces 6 at the bottom of the circumferential groove of bulb part bottom land curve and circular cone, help smooth chip removal, bulb part bottom land curve is that surface of revolution becomes the helical pitch helix, and conical ball end mill tapered segment bottom land curve is a conical spiral.The back knife face of ball end mill is with usually finding is the same, and it is according to a bit forming with the tangent principle grinding of the periphery of emery wheel on arbitrary moment cutting edge (ball sword, Zhou Ren).
The formation of the abrasive machining four-shaft interlocking equipment of ball end mill of the present invention comprises lathe bed 10 and the vertical X-axis linear motion platform 11 of level, horizontal cross Y-axis linear motion platform 12, vertical direction Z axle linear motion platform 13, workpiece rotating shaft 14, rake face bistrique 15 and the back knife face bistrique 16 that are installed on the lathe bed 10.Also comprise other servicing units such as hydropneumatic system, lubricating system, cooling system, digital control system, emery wheel arrangement for grinding and servo motion control system.The MYA6025 type universal cutter grinder that lathe bed 10 adopts Xianyang machine tool plant to produce, the servo motion control system is made up of ∑-II series SGDM type servo-driver (model is SGDM-08ADA, SGDM-15ADA), servomotor and the PMAC motion control card in peace river (YASKAWA).Y-axis linear motion platform 12 and cutter and tool grinding machine workbench to vertically move direction parallel, in the grinding process cutter and tool grinding machine vertically, transverse feed mechanism and emery wheel elevating mechanism be locked.Rake face bistrique 15 is used to process rake face, back knife face bistrique 16 is used to process the back knife face, rake face bistrique 15 and back knife face bistrique 16 be along the overlapping installation of Z-direction, but keep necessary spacing on Z-direction, to guarantee in the ball end mill grinding reasonably locus.Axis 360 degree calibration in horizontal plane that rake face bistrique 15 can wind perpendicular to horizontal plane rotate ∑
1, to adjust the angle of grinding wheel spindle and workpiece spindle.Also can wind perpendicular to X-axis with perpendicular to the axis of Y-axis and rotate ∑
2, with attitude (the common ∑ of adjusting emery wheel
2=0 °).The axis normal of the vertical X-axis linear motion platform 11 of the grinding wheel spindle of back knife face bistrique 16 and level.The vertical X-axis linear motion platform 11 of level is vertical mutually with horizontal cross Y-axis linear motion platform 12; Workpiece rotating shaft 14 is installed on the vertical X-axis linear motion platform 11 of level, can move and move along Y direction with horizontal cross Y-axis linear motion platform 12 along X-direction with the vertical X-axis linear motion platform 11 of level; Vertical direction Z axle linear motion platform 13 and rake face bistrique 15 and back knife face bistrique 16 overlap joints.
Claims (2)
1. ball end mill, its formation comprises bulb part and cylinder/tapered segment, it is characterized in that: knife face (3) and ball sword helicla flute (4) after described bulb partly has S shape ball sword (1) by the bulb top center, ball sword rake face (2), ball sword; Knife face (7) and all sword helicla flutes (8) after described cylinder/tapered segment has helical circumferential sword (5), all sword rake faces (6), Zhou Ren; Described S shape ball sword (1) is connected with helical circumferential sword (5), ball sword rake face (2) and smooth connection of all sword rake faces (6), and knife face behind the ball sword (3) is connected with knife face (7) behind the Zhou Ren, and ball sword helicla flute (4) is connected with all sword helicla flutes (8); The anterior angle of described ball sword rake face (2) is big positive rake angle, is little size distribution from inside to outside, and promptly less near the top, the middle part is bigger, and is less near circumferential section.
2. ball end mill according to claim 1, it is characterized in that: near cutting edge a very narrow land (9) is arranged partly at described ball sword rake face (2), form chamfered edge, the width of this chamfered edge changes with the variation of slotting cutter grinding parameter, be little size distribution from inside to outside, promptly less near the top, the middle part is bigger, less near circumferential section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810300511XA CN101239406B (en) | 2008-03-11 | 2008-03-11 | Bulb slotting cutter and its abrasive machining four-shaft linkage equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810300511XA CN101239406B (en) | 2008-03-11 | 2008-03-11 | Bulb slotting cutter and its abrasive machining four-shaft linkage equipment |
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| Publication Number | Publication Date |
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| CN101239406A CN101239406A (en) | 2008-08-13 |
| CN101239406B true CN101239406B (en) | 2011-03-16 |
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| CN200810300511XA Expired - Fee Related CN101239406B (en) | 2008-03-11 | 2008-03-11 | Bulb slotting cutter and its abrasive machining four-shaft linkage equipment |
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| CN104191009B (en) * | 2014-07-30 | 2017-07-11 | 常州创伟工具制造有限公司 | Two sword taper ball head milling cutters |
| CN105014486A (en) * | 2015-08-06 | 2015-11-04 | 山东云峰数控科技有限公司 | Four-axis numerical control polishing device special for graver |
| CN105436588B (en) * | 2015-12-28 | 2018-05-29 | 株洲钻石切削刀具股份有限公司 | A kind of ball end mill |
| CN105728814B (en) * | 2016-04-25 | 2017-09-01 | 哈尔滨理工大学 | A kind of pair of filar evolute becomes angular cutter |
| CN107953091A (en) * | 2016-11-07 | 2018-04-24 | 昆山欧思克精密工具有限公司 | A kind of processing technology of Stupalox |
| CN107953156A (en) * | 2016-11-07 | 2018-04-24 | 昆山欧思克精密工具有限公司 | A kind of processing technology of sintex |
| CN107052914B (en) * | 2016-12-26 | 2019-10-25 | 科德数控股份有限公司 | A kind of efficient removing method of rose cutter machined trace |
| CN106735492B (en) * | 2017-02-15 | 2018-10-26 | 海南中智康弘精工技术有限公司 | A kind of milling cutter |
| CN109848473A (en) * | 2018-12-20 | 2019-06-07 | 广东优能特五金科技有限公司 | A kind of ball-end mill with high-intensitive cutting edge |
| CN111230195B (en) * | 2020-02-27 | 2021-06-04 | 厦门金鹭特种合金有限公司 | Ball-end milling cutter |
| CN112122665A (en) * | 2020-09-27 | 2020-12-25 | 磨锐泵业(江苏)有限公司 | Vertical milling machine is used in pump body processing with automatically, remove material function |
| CN113770670B (en) * | 2021-09-26 | 2024-09-17 | 瑞声精密制造科技(常州)有限公司 | PCD end mill and processing method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239405A (en) * | 2008-03-11 | 2008-08-13 | 贵州大学 | Bulb slotting cutter |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239405A (en) * | 2008-03-11 | 2008-08-13 | 贵州大学 | Bulb slotting cutter |
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