CN101920354B - Asymmetric dynamic balance vertical milling cutter - Google Patents
Asymmetric dynamic balance vertical milling cutter Download PDFInfo
- Publication number
- CN101920354B CN101920354B CN2010102831251A CN201010283125A CN101920354B CN 101920354 B CN101920354 B CN 101920354B CN 2010102831251 A CN2010102831251 A CN 2010102831251A CN 201010283125 A CN201010283125 A CN 201010283125A CN 101920354 B CN101920354 B CN 101920354B
- Authority
- CN
- China
- Prior art keywords
- cutting edge
- dynamic balance
- vertical milling
- milling cutter
- balance vertical
- 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.)
- Active
Links
Images
Abstract
The invention discloses an asymmetric dynamic balance vertical milling cutter which comprises a cutter shank part and a cutting part, wherein the cutting part comprises more than two peripheral cutting edges and chip flutes, wherein each chip flute is arranged between every two adjacent cutting edges, the sizes of two adjacent chip flutes are different, and an unbalance quantity control step which enables the vertical milling cutter to satisfy the dynamic balance requirement is arranged at the tail of each chip flute. The asymmetric dynamic balance vertical milling cutter has the advantages of high metal removal rate and high processing accuracy and satisfies the requirement for dynamic balance.
Description
Technical field
The present invention relates to metal cutting tool, relate in particular to a kind of asymmetric dynamic balance vertical milling cutter.
Background technology
In the metal cutting field, the slotting cutter stock-removing efficiency of ordinary construction is poor, and the scope of use is smaller.In general, the characteristic of roughing slotting cutter is to have bigger chip space, but because chip space is big, the thick value of core is little, this slotting cutter is difficult to reach the rigidity of fine finishining demand; On the contrary, the characteristic of fine finishining slotting cutter is that extraordinary rigidity is arranged, but the thick value of its core is big, chip space is little; This slotting cutter is difficult to satisfy roughing to holding the requirement of bits; Therefore, the slotting cutter of ordinary construction is difficult under the condition of high metal removal rate, obtains high surface quality and precision.Particularly in aerospace field during the various die cavity of processing; Metal removal rate is very big, add man-hour the turning more, the amount of feeding is bigger; Be prone to produce strong flutter; And the smear metal obstruction chip area that bonds easily can cause cutter to fracture when serious, adds surface quality, dimensional accuracy and tool life that the vibration that produces man-hour has also had a strong impact on part.
Summary of the invention
The technical problem that the present invention will solve is the deficiency that overcomes prior art, and a kind of asymmetric dynamic balance vertical milling cutter that has high metal removal rate, high manufacturing accuracy and satisfy requirement for dynamic balance is provided.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of asymmetric dynamic balance vertical milling cutter; Comprise shank portion and cutting tip; Said cutting tip comprises two above periphery cutting edges and the chip pocket between adjacent periphery cutting edge; The size of adjacent chip pocket has nothing in common with each other, and said chip pocket afterbody is provided with the unbalance amount control step that makes slotting cutter satisfy requirement for dynamic balance.
In the slotting cutter radial section; The size of each chip pocket is by radial distribution angle, core thick radius corresponding with it and anterior angle control, and the thick radius of its SMIS is directly proportional with the radial distribution angle, and anterior angle reduces with the increase of the thick radius of core; And the difference of the radial distribution angle of adjacent two chip pockets is Δ J; 0 °＜| Δ J|≤20 °, the anterior angle difference of adjacent two chip pockets is Δ γ, 0 °＜| Δ γ |≤10 °.
Said unbalance amount control step bottom is a shoulder height to the radial distance of said periphery cutting edge cutting edge, and the size of said shoulder height is directly proportional with the radial distribution angle.
The setting end mill diameters is D, and the span of the thick radius of core that each chip pocket is corresponding is 0.3D～0.8D.
Said periphery cutting edge is 10 °～50 ° with respect to the helixangle of slotting cutter axis.
The back knife face of said periphery cutting edge is provided with keeps away the land that shakes, and said angle of keeping away the relative periphery cutting edge of the land that shakes cutting edge is α, and 0 °＜α≤4 °, the said width of keeping away the land that shakes is W, 0mm＜W≤0.15mm.
Said cutting tip also is provided with the bottom cutting edge that links to each other with the periphery cutting edge.
Be connected through the bight cutting edge between said bottom cutting edge and the said periphery cutting edge.
Compared with prior art, the invention has the advantages that:
The size of asymmetric its adjacent chip pocket of dynamic balance vertical milling cutter of the present invention has nothing in common with each other; Satisfy high clearance to holding the requirement of bits, chip removal through big chip pocket; Guarantee the slotting cutter rigidity through the thick value of the corresponding big core of little chip pocket; Make slotting cutter satisfy the requirement of high manufacturing accuracy, simultaneously, control step through the unbalance amount of chip pocket afterbody and solve the unbalanced problem of slotting cutter mass distribution that causes by varying in size of chip pocket; Make slotting cutter satisfy requirement for dynamic balance, thereby improve the service life of crudy and slotting cutter.It specifically is size through these three parameter control chip pockets of control radial distribution angle, the thick radius of core and anterior angle; Make slotting cutter possess the ability of high metal removal rate and high manufacturing accuracy simultaneously, solve the unbalance problem of mass distribution that causes by varying in size of chip pocket through the control shoulder height again, make slotting cutter satisfy requirement for dynamic balance; Like this in working angles; Each cutting edge of slotting cutter can both be brisk cutting, the cutting force that each cutting edge receives can change, exactly because this variation; Change the force-bearing situation of workpiece, can improve the surface quality and the precision of work piece effectively.And then the periphery cutting edge is shape in the shape of a spiral, makes slotting cutter in working angles, little by little cut workpiece, and cutting resistance is little, on the back knife face of periphery cutting edge, is provided with simultaneously and keeps away the land that shakes, and can effectively reduce vibration.
Description of drawings
Fig. 1 is the example structure sketch map of the asymmetric dynamic balance vertical milling cutter of the present invention;
Fig. 2 is the A-A section zoomed-in view of Fig. 1;
Fig. 3 is the enlarged drawing at I place among Fig. 2;
Fig. 4 is another example structure sketch map of the asymmetric dynamic balance vertical milling cutter of the present invention.
Each label is represented among the figure:
1, shank portion; 2, cutting tip; 21, periphery cutting edge; 22, bottom cutting edge; 23, chip pocket; 24, unbalance amount control step; 25, bight cutting edge; 211, keep away the land that shakes; 231, first chip pocket; 232, second chip pocket; 233, the 3rd chip pocket.
The specific embodiment
Fig. 1 to Fig. 3 shows a kind of asymmetric dynamic balance vertical milling cutter embodiment of the present invention; Comprise shank portion 1 and cutting tip 2; Cutting tip 2 comprises three periphery cutting edges 21 and the bottom cutting edge 22 that links to each other with periphery cutting edge 21, between any two adjacent periphery cutting edges 21 chip pocket 23 is set, and the size of adjacent chip pocket 23 has nothing in common with each other; Each chip pocket 23 afterbody is equipped with and makes slotting cutter satisfy the unbalance amount control step 24 of requirement for dynamic balance; This slotting cutter satisfies high clearance to holding the requirement of bits, chip removal through big chip pocket 23, guarantees the slotting cutter rigidity through the little chip pocket 23 corresponding thick values of big core, makes slotting cutter satisfy the requirement of high manufacturing accuracy; Simultaneously; Unbalance amount control step 24 through chip pocket 23 afterbodys solves the unbalanced problem of slotting cutter mass distribution that is caused by varying in size of chip pocket 23, makes slotting cutter satisfy requirement for dynamic balance, thereby improves the service life of crudy and slotting cutter.
In the slotting cutter radial section; The size of each chip pocket 23 is by radial distribution angle, core thick radius corresponding with it and anterior angle control, and the thick radius of its SMIS is directly proportional with the radial distribution angle, and anterior angle reduces with the increase of the thick radius of core; And the difference of the radial distribution angle of adjacent two chip pockets 23 is Δ J; 0 °＜| Δ J|≤20 °, the anterior angle difference of adjacent two chip pockets 23 is Δ γ, 0 °＜| Δ γ |≤10 °; The setting end mill diameters is D; The span of the thick radius of core of each chip pocket 23 correspondence is 0.3D～0.8D, and unbalance amount control step 24 bottoms are shoulder height to the radial distance of periphery cutting edge 21 cutting edges, and the size of shoulder height is directly proportional with the radial distribution angle.Be provided with three chip pockets 23 in the present embodiment, be respectively first chip pocket 231, second chip pocket 232 and the corresponding radial distribution angle J of the 3rd chip pocket 233, the first chip pockets 231
1Be 115 °, anterior angle γ
1Be 20 °, the thick radius R of core
1Be 0.4D, shoulder height H
1Be 0.04D; The radial distribution angle J of second chip pocket, 232 correspondences
2Be 125 °, anterior angle γ
2Be 12 °, the thick radius R of core
2Be 0.8D, shoulder height H
2Be 0.08D; The radial distribution angle J of the 3rd chip pocket 233 correspondences
3Be 120 °, anterior angle γ
3Be 16 °, the thick radius R of core
3Be 0.6D, shoulder height H
3Be 0.06D.Realize control through these three parameters of radial distribution angle, the thick radius of core and anterior angle to each chip pocket 23 size; Make slotting cutter possess the ability of high metal removal rate and high manufacturing accuracy simultaneously, solve the unbalance problem of mass distribution that causes by varying in size of chip pocket 23 through the control shoulder height again, make slotting cutter satisfy requirement for dynamic balance; Like this in working angles; Each cutting edge of slotting cutter can both be brisk cutting, the cutting force that each cutting edge receives can change, exactly because this variation; Change the force-bearing situation of workpiece, can improve the surface quality and the precision of work piece effectively.Periphery cutting edge 21 is 10 °～50 ° with respect to the helixangle of slotting cutter axis, makes slotting cutter in working angles, little by little cut workpiece, and cutting resistance is little; The back knife face of periphery cutting edge 21 is provided with keeps away the land 211 that shakes; The angle of keeping away land 211 relative periphery cutting edge 21 cutting edges that shake is α; 0 °＜α≤4 °, the width of keeping away the land 211 that shakes is W, 0mm＜W≤0.15mm; This keeps away the land 211 that shakes, and can effectively reduce the vibration of slotting cutter in working angles.In the present embodiment, helixangle is 30 °, and angle [alpha] is 2 °, and the width W of keeping away the land 211 that shakes is 0.08mm.Asymmetric dynamic balance vertical milling cutter of the present invention is except can having the slotting cutter of two above periphery cutting edges 21 for other for the described three sword slotting cutters of present embodiment.
Fig. 4 shows the asymmetric dynamic balance vertical milling cutter embodiment of another kind of the present invention, and present embodiment and the foregoing description are basic identical, and difference only is to be connected through bight cutting edge 25 between bottom cutting edge 22 and the said periphery cutting edge 21.
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 (9)
1. asymmetric dynamic balance vertical milling cutter; Comprise shank portion (1) and cutting tip (2); Said cutting tip (2) comprises two above periphery cutting edges (21) and is positioned at the chip pocket (23) between the adjacent periphery cutting edge (21); It is characterized in that: the size of adjacent chip pocket (23) has nothing in common with each other; Said each chip pocket (23) afterbody is equipped with and makes slotting cutter satisfy the unbalance amount control step (24) of requirement for dynamic balance, and said unbalance amount control step (24) bottom is a shoulder height to the radial distance of said periphery cutting edge (21) cutting edge, and the size of said shoulder height is directly proportional with chip pocket (23) radial distribution angle.
2. asymmetric dynamic balance vertical milling cutter according to claim 1; It is characterized in that: in the slotting cutter radial section; The size of each chip pocket (23) is by radial distribution angle, core thick radius corresponding with it and anterior angle control, and the thick radius of its SMIS is directly proportional with the radial distribution angle, and anterior angle reduces with the increase of the thick radius of core; And the difference of the radial distribution angle of adjacent two chip pockets (23) is Δ J; 0 °＜| Δ J|≤20 °, the anterior angle difference of adjacent two chip pockets (23) is Δ γ, 0 °＜| Δ γ |≤10 °.
3. asymmetric dynamic balance vertical milling cutter according to claim 2 is characterized in that: the setting end mill diameters is D, and the span of the thick radius of core that each chip pocket (23) is corresponding is 0.3D～0.8D.
4. according to claim 1 or 2 or 3 described asymmetric dynamic balance vertical milling cutters, it is characterized in that: said periphery cutting edge (21) is 10 °～50 ° with respect to the helixangle of slotting cutter axis.
5. according to claim 1 or 2 or 3 described asymmetric dynamic balance vertical milling cutters; It is characterized in that: the back knife face of said periphery cutting edge (21) is provided with keeps away the land that shakes (211); Said angle of keeping away relative periphery cutting edge (21) cutting edge of the land that shakes (211) is α; 0 °＜α≤4 °, the said width of keeping away the land that shakes (211) is W, 0mm＜W≤0.15mm.
6. asymmetric dynamic balance vertical milling cutter according to claim 4; It is characterized in that: the back knife face of said periphery cutting edge (21) is provided with keeps away the land that shakes (211); Said angle of keeping away relative periphery cutting edge (21) cutting edge of the land that shakes (211) is α; 0 °＜α≤4 °, the said width of keeping away the land that shakes (211) is W, 0mm＜W≤0.15mm.
7. according to claim 1 or 2 or 3 described asymmetric dynamic balance vertical milling cutters, it is characterized in that: said cutting tip (2) also is provided with the bottom cutting edge (22) that links to each other with periphery cutting edge (21).
8. asymmetric dynamic balance vertical milling cutter according to claim 6 is characterized in that: said cutting tip (2) also is provided with the bottom cutting edge (22) that links to each other with periphery cutting edge (21).
9. asymmetric dynamic balance vertical milling cutter according to claim 8 is characterized in that: be connected through bight cutting edge (25) between said bottom cutting edge (22) and the said periphery cutting edge (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102831251A CN101920354B (en) | 2010-09-16 | 2010-09-16 | Asymmetric dynamic balance vertical milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102831251A CN101920354B (en) | 2010-09-16 | 2010-09-16 | Asymmetric dynamic balance vertical milling cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101920354A CN101920354A (en) | 2010-12-22 |
| CN101920354B true CN101920354B (en) | 2012-09-05 |
Family
ID=43335710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102831251A Active CN101920354B (en) | 2010-09-16 | 2010-09-16 | Asymmetric dynamic balance vertical milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101920354B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303158B (en) * | 2011-08-31 | 2012-10-03 | 株洲钻石切削刀具股份有限公司 | Groove type end mill with double arcs |
| CN102407364A (en) * | 2011-12-14 | 2012-04-11 | 常熟市磊王合金工具有限公司 | Ant-vibration drill bit |
| CN103084935B (en) * | 2012-12-19 | 2015-02-18 | 西南铝业（集团）有限责任公司 | Grinding method for milling cutter degrees |
| DE102014108513A1 (en) | 2014-06-17 | 2015-12-17 | Franz Haimer Maschinenbau Kg | Rotary cutting tool |
| WO2019163677A1 (en) * | 2018-02-26 | 2019-08-29 | 京セラ株式会社 | Cutting tool and method for manufacturing cut workpiece |
| WO2020003679A1 (en) | 2018-06-28 | 2020-01-02 | 株式会社アライドマテリアル | Reamer |
| KR102208022B1 (en) * | 2020-04-28 | 2021-01-28 | 주식회사 와이지-원 | End Mill Having Chip Room in Propotion to Feed Per Tooth |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2875722A1 (en) * | 2004-09-27 | 2006-03-31 | Alsameca Sa | Cutter for e.g. piercing ferrous material, has sets of teeth with cutting edges separated in pairs by different angles and with different geometric or dimensional characteristic, on preset cutting section |
| CN101534985A (en) * | 2006-08-07 | 2009-09-16 | Hanita金属制品有限公司 | A chatter-resistant end mill and a method of making such an end mill |
| CN201405114Y (en) * | 2009-05-20 | 2010-02-17 | 住研精密刀具(武汉)有限公司 | End milling cutter with unequal helical angles |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7001113B2 (en) * | 2001-09-10 | 2006-02-21 | Flynn Clifford M | Variable helix cutting tools |
-
2010
- 2010-09-16 CN CN2010102831251A patent/CN101920354B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2875722A1 (en) * | 2004-09-27 | 2006-03-31 | Alsameca Sa | Cutter for e.g. piercing ferrous material, has sets of teeth with cutting edges separated in pairs by different angles and with different geometric or dimensional characteristic, on preset cutting section |
| CN101534985A (en) * | 2006-08-07 | 2009-09-16 | Hanita金属制品有限公司 | A chatter-resistant end mill and a method of making such an end mill |
| CN201405114Y (en) * | 2009-05-20 | 2010-02-17 | 住研精密刀具(武汉)有限公司 | End milling cutter with unequal helical angles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101920354A (en) | 2010-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101920354B (en) | Asymmetric dynamic balance vertical milling cutter | |
| CN107921559B (en) | Cutting tip and indexable insert blade type rotary cutting tool | |
| JP5751401B1 (en) | Replaceable cutting edge rotary cutting tool | |
| US10549360B2 (en) | Indexable cutting insert for an end mill tool and an end mill tool provided with such an insert | |
| WO2015068824A1 (en) | Radius end mill, and cutting method | |
| US9381582B2 (en) | Milling tool with recessed cutting edge | |
| US20080152438A1 (en) | Ballnose end mill | |
| JP5447021B2 (en) | Ball end mill | |
| JPWO2013099954A1 (en) | Radius end mill | |
| CN111032264B (en) | Taper reamer | |
| US10722956B2 (en) | End mill and method of manufacturing machined product | |
| JP2005118960A (en) | End mill | |
| KR20170119670A (en) | Double-sided high feed milling insert, high feed milling tool and method | |
| JPWO2009096516A1 (en) | Cutting insert, cutting tool, and cutting method | |
| CN105636729A (en) | Roughing end mill | |
| JP2017071056A (en) | Cutting insert and edge-replaceable cutting tool | |
| US11045889B2 (en) | Thread milling cutter and internal pipe thread machining method using the same | |
| CN102389991A (en) | Double-margin twist drill | |
| CN102489764A (en) | Unequal-helix-angle unequal-graduation end mill | |
| CN109262038B (en) | Multifunctional ball head milling cutter | |
| CN202317209U (en) | Integrated hard alloy T-slot milling cutter | |
| KR102002756B1 (en) | Cutting inserts and cutting blades | |
| EP3785834A1 (en) | Cutting insert | |
| CN102489763A (en) | Whole hard alloy T-slot cutter | |
| CN101890529B (en) | Step mill cutter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |