CN102416506A - Cutting tool - Google Patents
Cutting tool Download PDFInfo
- Publication number
- CN102416506A CN102416506A CN2011104082647A CN201110408264A CN102416506A CN 102416506 A CN102416506 A CN 102416506A CN 2011104082647 A CN2011104082647 A CN 2011104082647A CN 201110408264 A CN201110408264 A CN 201110408264A CN 102416506 A CN102416506 A CN 102416506A
- Authority
- CN
- China
- Prior art keywords
- facing
- double wedge
- recessed
- blade
- cutting tool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/06—Face-milling cutters, i.e. having only or primarily a substantially flat cutting surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
- B23C5/22—Securing arrangements for bits or teeth or cutting inserts
- B23C5/2204—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert
- B23C5/2208—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert for plate-like cutting inserts
- B23C5/2213—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert for plate-like cutting inserts having a special shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2200/00—Details of milling cutting inserts
- B23C2200/12—Side or flank surfaces
- B23C2200/128—Side or flank surfaces with one or more grooves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/16—Fixation of inserts or cutting bits in the tool
- B23C2210/168—Seats for cutting inserts, supports for replacable cutting bits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention provides a cutting tool, which comprises a tool body, a blade and a fastening piece, wherein the tool body has at least one group of dust accommodating groove and a tool slot; the tool body allows the blade to be fixed in the tool slot by the fastening piece; the tool slot consists of tool slot side faces and a tool slot bottom face; the blade consists of an upper bottom face, a lower bottom face and a side face which connects the upper bottom face and the lower bottom face; and a concave-convex matching structure which can prevent the side frame protruding outward from the side face of the tool slot is arranged between the side face of the blade and the side face of the tool slot. The cutting tool has the advantages of effectively inhibiting vibration, improving anti-impact capacity, along with stable structure.
Description
Technical field
The present invention relates to the metal cutting manufacture field, relate in particular to cutting tool.
Background technology
Cutting tool generally adopts cutter hub to be connected with the mode of blade side plane contact.The cutter hub of this cutter, blade are made simple, easy to process; Simultaneously cutter hub, can increase its effective contact area when the blade side precision is higher, improve the moment of torsion that transmits, strengthen the impact resistance of blade, guarantee the dimensional accuracy of cutting tool; The large tracts of land contact of cutter hub, blade locating surface can make blade when bearing bigger load; Small distortion only takes place in locating surface; Effectively guarantee the uniformity of cutting tool dimensional accuracy in static and process, improved the cutter stability of cutting tool under different operating modes.Owing to adopt the plane positioning cutting tool to have above-mentioned advantage, this kind cutting tool structure is widely used in rotation type cutter and the non-rotation class cutter.
Though this plane positioning structure has many good qualities, and has some problems.Because anchor clamps clamping error, mismachining tolerance, the detection error of blade sintering warpage, cutter and blade exist with its rigging error; Though the plane positioning face of cutter hub and blade can be processed to fine, the high-precision plane of flatness; But be difficult to guarantee that corresponding locating surface is overlapping fully; For impact resistance and the size stability that guarantees cutting tool; Ordinary priority guarantees side and cutter groove contacts side surfaces near the blade upper bottom surface, promptly between cutter groove side and the cutter groove bottom angle less than the angle between blade side and the blade bottom surface.Though this structure has solved the error of cutting tool to a certain extent to the cutting tool Effect on Performance,, when cutting tool bears bigger load; The blade strain strengthens; The side phase tool setting groove of blade causes the side-locating face of cutter hub and blade to break away from toward outer incline, and chucking power can only be close to firmware and provide; Securing member must produce distortion by a relatively large margin, thereby makes the bigger vibration of blade generation even collapse scarce.
Summary of the invention
The technical problem that the present invention will solve is the deficiency that overcomes prior art, a kind of Stability Analysis of Structures is provided, can effectively suppresses to vibrate, can improve the cutting tool of impact resistance.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of cutting tool; Comprise cutter hub, blade and securing member; Said cutter hub is provided with at least one group of chip pocket and cutter groove, and said cutter hub is fixed in blade in the cutter groove through securing member, and said cutter groove is made up of cutter groove side and cutter groove bottom; Said blade is made up of upper bottom surface, bottom surface and the side that connects upper bottom surface and bottom surface, is provided with between the side of said blade and the said cutter groove side and can prevents the side outward-dipping concavo-convex fit structure in tool setting groove side mutually.
Said cutter groove side is provided with M recessed sawtooth, and said side is provided with N protruding sawtooth, and each protruding sawtooth places corresponding recessed sawtooth respectively, and 1≤M≤5,1≤N≤5, N≤M.
Said recessed sawtooth and said protruding sawtooth laterally arrange, and said recessed sawtooth and protruding sawtooth are non-perpendicular setting with said cutter groove bottom all.
Each recessed sawtooth is made up of facing, recessed tooth bottom surface and recessed crest top land under facing, the recessed tooth on the recessed tooth; Each protruding sawtooth is made up of facing, double wedge bottom surface and double wedge end face under facing, the double wedge on the double wedge; On the said recessed tooth under facing and the recessed tooth angle between the facing be α; On the said double wedge under facing and the double wedge angle between the facing be β, 40 °≤α≤140 °, 40 °≤β≤140 °.
On the said recessed tooth under facing and the recessed tooth angle between the facing be less than or equal on the said double wedge angle β between the facing under the facing and double wedge.
Be provided with the first pretension gap between said recessed tooth bottom surface and the double wedge end face, be provided with the second pretension gap between said recessed crest top land and the double wedge bottom surface.
Be provided with the 3rd pretension gap under the said recessed tooth under facing and the double wedge between the facing, on the said recessed tooth on facing and the double wedge facing closely contact.
Be provided with the 4th pretension gap between said cutter groove side and the said side.
Compared with prior art, the invention has the advantages that:
Cutting tool of the present invention; Be provided with between cutter hub side and the blade side and can prevent the outward-dipping concavo-convex fit structure in phase tool setting groove side, side, it is more closely reliable that cutter hub, blade are connected, in working angles; Can reduce the blade distortion greatly; Thereby suppress, the cutting vibration of decay cutter, improve machined surface quality, it is scarce effectively to suppress collapsing of blade; Concavo-convex fit structure can reduce the load of securing member simultaneously, prolongs the service life of securing member; Concavo-convex in addition fit structure can improve the stressed distribution of blade, improves the stability of cutter, makes cutter can bear bigger cutting force, widens the range of application of cutting tool in gravity cutting field.
Description of drawings
Fig. 1 is the perspective view of rotary cutting tool embodiment of the present invention.
Fig. 2 is the A-A revolved section enlarged drawing of Fig. 1.
Fig. 3 is the profile of tooth enlarged drawing of Fig. 2.
Fig. 4 is the perspective view of non-rotating cutting tool embodiment of the present invention.
Fig. 5 is the enlarged drawing at B place among Fig. 4.
Each label is represented among the figure:
1, cutter hub; 2, blade; 21, upper bottom surface; 22, bottom surface; 23, side; 3, securing member; 4, chip pocket; 5, cutter groove; 51, cutter groove side; 52, cutter groove bottom; 6, recessed sawtooth; 61, facing on the recessed tooth; 62, facing under the recessed tooth; 63, recessed tooth bottom surface; 64, recessed crest top land; 7, protruding sawtooth; 71, facing on the double wedge; 72, facing under the double wedge; 73, double wedge bottom surface; 74, double wedge end face; 8, the first pretension gap; 9, the second pretension gap; 10, the 3rd pretension gap; 11, the 4th pretension gap.
The specific embodiment
Fig. 1 to Fig. 3 shows a kind of rotary cutting tool embodiment of the present invention; This cutting tool comprises cutter hub 1, blade 2 and securing member 3, and cutter hub 1 is for being the cylindrical cutter body of pivot with self central shaft, and this cutter hub 1 is provided with one group of chip pocket 4 and cutter groove 5; Cutter hub 1 is fixed in blade 2 in the cutter groove 5 through securing member 3; Cutter groove 5 is made up of cutter groove side 51 and cutter groove bottom 52, and blade 2 is made up of the side 23 of upper bottom surface 21, bottom surface 22 and connection upper bottom surface 21 and bottom surface 22, is provided with between the side 23 of blade 2 and the cutter groove side 51 to prevent the side 23 outward-dipping concavo-convex fit structure in tool setting groove side 51 mutually; Make cutter hub 1 more closely reliable with being connected of blade 2; In working angles, can reduce the distortion of blade 2 greatly, thus the cutting vibration of the cutter that suppresses, decays; Improve machined surface quality, it is scarce effectively to suppress collapsing of blade 2; Concavo-convex fit structure can reduce the load of securing member 3 simultaneously, prolongs the service life of securing member 3; Concavo-convex in addition fit structure can improve the stressed distribution of blade 2, improves the stability of cutter, makes cutter can bear bigger cutting force, widens the range of application of cutting tool in gravity cutting field.
In the present embodiment, cutter groove side 51 is provided with M recessed sawtooth 6, and side 23 is provided with N protruding sawtooth 7, and each protruding sawtooth 7 places corresponding recessed sawtooth 6 respectively, and 1≤M≤5,1≤N≤5, N≤M, present embodiment M=N=3.Recessed sawtooth 6 laterally arranges with protruding sawtooth 7, and recessed sawtooth 6 is non-perpendicular setting with cutter groove bottom 52 all with protruding sawtooth 7.Each recessed sawtooth 6 is made up of facing 62, recessed tooth bottom surface 63 and recessed crest top land 64 under facing 61, the recessed tooth on the recessed tooth, and each protruding sawtooth 7 is made up of facing 72, double wedge bottom surface 73 and double wedge end face 74 under facing on the double wedge 71, the double wedge, on the recessed tooth under facing 61 and the recessed tooth angle between the facing 62 be α; On the double wedge under facing 71 and the double wedge angle between the facing 72 be β; 40 °≤α≤140 °, 40 °≤β≤140 °, and α≤β; For guaranteeing the structural stability of cutter hub 1, blade 2; In the present embodiment, α=60 °, β=60 °.
In the present embodiment, be provided with the first pretension gap 8 between recessed tooth bottom surface 63 and the double wedge end face 74, be provided with the second pretension gap 9 between recessed crest top land 64 and the double wedge bottom surface 73; Be provided with the 3rd pretension gap 10 under the recessed tooth under facing 62 and the double wedge between the facing 72, on the recessed tooth on facing 61 and the double wedge facing 71 closely contact; Be provided with the 4th pretension gap 11 between cutter groove side 51 and the side 23.Can guarantee on the recessed tooth that through each pretension gap is set facing 71 closely contacts on the facing 61 and double wedge, thereby further guarantee the connective stability of cutter hub 1 and blade 2.
In other embodiments, under the recessed tooth under facing 62 and the double wedge facing 72 also can be made as tight the contact, but the 3rd pretension gap 10 is set between the two can reduce manufacture difficulty, saves production cost, and improves working (machining) efficiency; And, though be to have reduced contact area, in working angles, on the recessed tooth on facing 61 and the double wedge facing 71 can contact better, still can effectively limit blade 2 and break away from cutter grooves 5, the vibration of restriction blade 2; Simultaneously; On the recessed tooth on facing 61 and the double wedge facing 71 can impose on blade 2 from the power of upper bottom surface 21 to bottom surface 22 directions; Can effectively reduce the load of securing member 3; Prolong the service life of securing member 3, and can make cutting tool can bear bigger cutting load and cutting impact, widen the range of application of cutting tool in gravity cutting field.
Fig. 4 and Fig. 5 show a kind of non-rotating cutting tool embodiment of the present invention, and present embodiment and last is implemented basic identical, and difference only is that cutter hub 1 is the strip cutter hub, and blade 2 is identical with the syndeton of cutter hub 1, repeats no more at this.
More than among two embodiment, the bottom surface of blade 2 is roughly quadrilateral structure, the present invention is not limited only to this, and is different according to the actual requirements, the bottom surface of blade 2 also can be designed to circle, other structure such as polygonal.
More than among two embodiment; Be concavo-convex fit structure between the side 23 of blade 2 each and cutter hub 1 contact and the cutter hub 1; The present invention is not limited only to this, and is different according to the stressed distributions of blade 2, also can only stressed bigger side 23 be designed to and cutter hub 1 between be concavo-convex fit structure.
Above-mentioned is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.Though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention.Any those of ordinary skill in the art, under the situation that does not break away from technical scheme scope of the present invention, all the technology contents of above-mentioned announcement capable of using is made many possible changes and modification to technical scheme of the present invention, or is revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical scheme of the present invention, all should drop in the scope of technical scheme protection of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (10)
1. cutting tool; Comprise cutter hub (1), blade (2) and securing member (3); Said cutter hub (1) is provided with at least one group of chip pocket (4) and cutter groove (5); Said cutter hub (1) is fixed in blade (2) in the cutter groove (5) through securing member (3); Said cutter groove (5) is made up of cutter groove side (51) and cutter groove bottom (52); Said blade (2) is made up of upper bottom surface (21), bottom surface (22) and the side (23) that connects upper bottom surface (21) and bottom surface (22), it is characterized in that: be provided with between the side (23) of said blade (2) and the said cutter groove side (51) and can prevent side (23) tool setting groove side (51) outward-dipping concavo-convex fit structure mutually.
2. cutting tool according to claim 1; It is characterized in that: said cutter groove side (51) is provided with M recessed sawtooth (6); Said side (23) is provided with N protruding sawtooth (7), and each protruding sawtooth (7) places corresponding recessed sawtooth (6) respectively, and 1≤M≤5; 1≤N≤5, N≤M.
3. cutting tool according to claim 2 is characterized in that: said recessed sawtooth (6) and said protruding sawtooth (7) laterally arrange, and said recessed sawtooth (6) and protruding sawtooth (7) are non-perpendicular setting with said cutter groove bottom (52) all.
4. cutting tool according to claim 3; It is characterized in that: each recessed sawtooth (6) is made up of facing (62), recessed tooth bottom surface (63) and recessed crest top land (64) under facing (61), the recessed tooth on the recessed tooth; Each protruding sawtooth (7) is made up of facing (72), double wedge bottom surface (73) and double wedge end face (74) under facing on the double wedge (71), the double wedge; On the said recessed tooth under facing (61) and the recessed tooth angle between the facing (62) be α; Angle under facing on the said double wedge (71) and the double wedge between the facing (72) is β, 40 °≤α≤140 °, and 40 °≤β≤140 °.
5. cutting tool according to claim 4 is characterized in that: on the said recessed tooth under facing (61) and the recessed tooth angle between the facing (62) be less than or equal to the angle β between the facing (72) under facing on the said double wedge (71) and the double wedge.
6. according to claim 4 or 5 described cutting tools; It is characterized in that: be provided with the first pretension gap (8) between said recessed tooth bottom surface (63) and the double wedge end face (74), be provided with the second pretension gap (9) between said recessed crest top land (64) and double wedge bottom surface (73).
7. according to claim 4 or 5 described cutting tools, it is characterized in that: be provided with the 3rd pretension gap (10) under the said recessed tooth under facing (62) and the double wedge between the facing (72), on the said recessed tooth on facing (61) and the double wedge facing (71) closely contact.
8. cutting tool according to claim 6 is characterized in that: be provided with the 3rd pretension gap (10) under the said recessed tooth under facing (62) and the double wedge between the facing (72), on the said recessed tooth on facing (61) and the double wedge facing (71) closely contact.
9. according to each described cutting tool in the claim 1 to 5, it is characterized in that: be provided with the 4th pretension gap (11) between said cutter groove side (51) and said side (23).
10. cutting tool according to claim 8 is characterized in that: be provided with the 4th pretension gap (11) between said cutter groove side (51) and said side (23).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110408264.7A CN102416506B (en) | 2011-12-09 | 2011-12-09 | Cutting tool |
| PCT/CN2012/075286 WO2013082918A1 (en) | 2011-12-09 | 2012-05-10 | Cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110408264.7A CN102416506B (en) | 2011-12-09 | 2011-12-09 | Cutting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102416506A true CN102416506A (en) | 2012-04-18 |
| CN102416506B CN102416506B (en) | 2013-06-12 |
Family
ID=45941295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110408264.7A Active CN102416506B (en) | 2011-12-09 | 2011-12-09 | Cutting tool |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102416506B (en) |
| WO (1) | WO2013082918A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756137A (en) * | 2012-07-30 | 2012-10-31 | 株洲钻石切削刀具股份有限公司 | Cutting tool |
| WO2013082918A1 (en) * | 2011-12-09 | 2013-06-13 | 株洲钻石切削刀具股份有限公司 | Cutting tool |
| CN103894664A (en) * | 2012-12-28 | 2014-07-02 | 株洲钻石切削刀具股份有限公司 | Rotary cutting tool accurate in positioning |
| CN103894663A (en) * | 2012-12-28 | 2014-07-02 | 株洲钻石切削刀具股份有限公司 | Rotary cutting tool capable of axially and accurately locating |
| CN103894635A (en) * | 2012-12-28 | 2014-07-02 | 株洲钻石切削刀具股份有限公司 | Rotary cutting tool with stable structure |
| CN111889776A (en) * | 2020-08-04 | 2020-11-06 | 株洲华锐精密工具股份有限公司 | High-speed milling cutter |
| CN111889775A (en) * | 2020-08-04 | 2020-11-06 | 株洲华锐精密工具股份有限公司 | Milling tool for high speed cutting |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9475134B2 (en) * | 2011-12-19 | 2016-10-25 | Iscar, Ltd. | Cutting insert and cutting tool |
| CN110472774B (en) * | 2019-07-19 | 2023-06-20 | 西北工业大学 | LSTM network-based tool residual life prediction method under variable working conditions |
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| CN1636660A (en) * | 2003-12-23 | 2005-07-13 | 山特维克公司 | Cutting tool and parts therefor, as well as a method for the manufacture of such a cutting tool |
| CN1917979A (en) * | 2004-02-24 | 2007-02-21 | 山特维克知识产权股份有限公司 | Cutting tool and insert with serrated contact surfaces between holder and insert |
| JP2007210090A (en) * | 2006-01-11 | 2007-08-23 | Mitsubishi Materials Corp | Round insert detachable type cutting tool and round insert |
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| JP2000271806A (en) * | 1999-03-23 | 2000-10-03 | Ngk Spark Plug Co Ltd | Tip with arc cutting edge |
| JP3775321B2 (en) * | 2002-03-20 | 2006-05-17 | 三菱マテリアル株式会社 | Throw-away inserts and throw-away cutting tools |
| CN201165631Y (en) * | 2008-01-28 | 2008-12-17 | 永沛得工程机械配件（苏州）有限公司 | Cutter |
| CN101992305B (en) * | 2010-11-05 | 2012-07-04 | 株洲钻石切削刀具股份有限公司 | Balance adjustable cutting tool |
| CN102416506B (en) * | 2011-12-09 | 2013-06-12 | 株洲钻石切削刀具股份有限公司 | Cutting tool |
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2011
- 2011-12-09 CN CN201110408264.7A patent/CN102416506B/en active Active
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2012
- 2012-05-10 WO PCT/CN2012/075286 patent/WO2013082918A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1636660A (en) * | 2003-12-23 | 2005-07-13 | 山特维克公司 | Cutting tool and parts therefor, as well as a method for the manufacture of such a cutting tool |
| CN1917979A (en) * | 2004-02-24 | 2007-02-21 | 山特维克知识产权股份有限公司 | Cutting tool and insert with serrated contact surfaces between holder and insert |
| JP2007210090A (en) * | 2006-01-11 | 2007-08-23 | Mitsubishi Materials Corp | Round insert detachable type cutting tool and round insert |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013082918A1 (en) * | 2011-12-09 | 2013-06-13 | 株洲钻石切削刀具股份有限公司 | Cutting tool |
| CN102756137A (en) * | 2012-07-30 | 2012-10-31 | 株洲钻石切削刀具股份有限公司 | Cutting tool |
| CN102756137B (en) * | 2012-07-30 | 2015-12-02 | 株洲钻石切削刀具股份有限公司 | A kind of cutting tool |
| CN103894663A (en) * | 2012-12-28 | 2014-07-02 | 株洲钻石切削刀具股份有限公司 | Rotary cutting tool capable of axially and accurately locating |
| CN103894635A (en) * | 2012-12-28 | 2014-07-02 | 株洲钻石切削刀具股份有限公司 | Rotary cutting tool with stable structure |
| WO2014101516A1 (en) * | 2012-12-28 | 2014-07-03 | 株洲钻石切削刀具股份有限公司 | Rotary cutting tool with accurate positioning |
| CN103894664A (en) * | 2012-12-28 | 2014-07-02 | 株洲钻石切削刀具股份有限公司 | Rotary cutting tool accurate in positioning |
| EP2933045A4 (en) * | 2012-12-28 | 2016-03-09 | Zhuzhou Cemented Carbide Cutti | Rotary cutting tool with accurate positioning |
| CN103894664B (en) * | 2012-12-28 | 2016-07-06 | 株洲钻石切削刀具股份有限公司 | A kind of rotary cutting tool of accurate positioning |
| CN103894635B (en) * | 2012-12-28 | 2016-12-28 | 株洲钻石切削刀具股份有限公司 | A kind of constitutionally stable rotary cutting tool |
| CN103894663B (en) * | 2012-12-28 | 2016-12-28 | 株洲钻石切削刀具股份有限公司 | A kind of rotary cutting tool of axial accurate positioning |
| CN111889776A (en) * | 2020-08-04 | 2020-11-06 | 株洲华锐精密工具股份有限公司 | High-speed milling cutter |
| CN111889775A (en) * | 2020-08-04 | 2020-11-06 | 株洲华锐精密工具股份有限公司 | Milling tool for high speed cutting |
| CN111889775B (en) * | 2020-08-04 | 2021-08-31 | 株洲华锐精密工具股份有限公司 | Milling tool for high speed cutting |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013082918A1 (en) | 2013-06-13 |
| CN102416506B (en) | 2013-06-12 |
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