CN101920354A - Asymmetric dynamic balance vertical milling cutter - Google Patents
Asymmetric dynamic balance vertical milling cutter Download PDFInfo
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- CN101920354A CN101920354A CN 201010283125 CN201010283125A CN101920354A CN 101920354 A CN101920354 A CN 101920354A CN 201010283125 CN201010283125 CN 201010283125 CN 201010283125 A CN201010283125 A CN 201010283125A CN 101920354 A CN101920354 A CN 101920354A
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- cutting edge
- dynamic balance
- vertical milling
- milling cutter
- balance vertical
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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 feature 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 feature 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, easily produce strong flutter, and the smear metal obstruction chip area that bonds easily, can cause cutter to fracture when serious, add 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 to be solved in the present invention is to overcome the deficiencies in the 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 by the following technical solutions:
A kind of asymmetric dynamic balance vertical milling cutter, comprise shank portion and cutting tip, described 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 described 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, the thick radius of its SMIS is directly proportional with the radial distribution angle, 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 °.
Described unbalance amount control step bottom is a shoulder height to the radial distance of described periphery cutting edge cutting edge, and the size of described 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 of each chip pocket correspondence is 0.3D~0.8D.
Described periphery cutting edge is 10 °~50 ° with respect to the helixangle of slotting cutter axis.
The back knife face of described periphery cutting edge is provided with keeps away the land that shakes, and described angle of keeping away the relative periphery cutting edge of the land that shakes cutting edge is α, and 0 °<α≤4 °, the described width of keeping away the land that shakes is W, 0mm<W≤0.15mm.
Described cutting tip also is provided with the bottom cutting edge that links to each other with the periphery cutting edge.
Be connected by the bight cutting edge between described bottom cutting edge and the described 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 by big chip pocket, the thick value of big core by little chip pocket correspondence guarantees the slotting cutter rigidity, make slotting cutter satisfy the requirement of high manufacturing accuracy, simultaneously, unbalance amount control step by the chip pocket afterbody solves the unbalanced problem of slotting cutter Mass Distribution that is caused 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.Specifically be by control radial distribution angle, the size of these three parameter control chip pockets of 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 by 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 is subjected to 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 little by little cut workpiece in working angles, and cutting resistance is little, is provided with on the back knife face of periphery cutting edge simultaneously and keeps away the land that shakes, and can effectively reduce vibration.
Description of drawings
Fig. 1 is the example structure schematic diagram 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 schematic diagram 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, 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 bits by big chip pocket 23, the requirement of chip removal, the thick value of big core by little chip pocket 23 correspondences guarantees the slotting cutter rigidity, make slotting cutter satisfy the requirement of high manufacturing accuracy, simultaneously, unbalance amount control step 24 by chip pocket 23 afterbodys solves the unbalanced problem of slotting cutter Mass Distribution that is caused by varying in size of chip pocket 23, make slotting cutter satisfy requirement for dynamic balance, thereby improve the service life of crudy and slotting cutter.
In the slotting cutter radial section, the size of each chip pocket 23 is by the radial distribution angle corresponding with it, thick radius of core and anterior angle control, the thick radius of its SMIS is directly proportional with the radial distribution angle, 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, 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 the radial distribution angle J of first chip pocket 231, second chip pocket 232 and the 3rd chip pocket 233, the first chip pockets 231 correspondences
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.By the radial distribution angle, these three parameters of thick radius of core and anterior angle realize the control 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 by 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 is subjected to 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 little by little cut workpiece in working angles, 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 by bight cutting edge 25 between bottom cutting edge 22 and the described 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 the technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement that technical solution of the present invention is made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solution of the present invention, all should drop in the scope of technical solution of the present invention protection any simple modification, equivalent variations and modification that above embodiment did according to the technology of the present invention essence.
Claims (10)
1. asymmetric dynamic balance vertical milling cutter, comprise shank portion (1) and cutting tip (2), described cutting tip (2) comprises two above periphery cutting edges (21) and is positioned at 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, and described each chip pocket (23) afterbody is equipped with and makes slotting cutter satisfy the unbalance amount control step (24) of requirement for dynamic balance.
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, the thick radius of its SMIS is directly proportional with the radial distribution angle, 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, it is characterized in that: described unbalance amount control step (24) bottom is a shoulder height to the radial distance of described periphery cutting edge (21) cutting edge, and the size of described shoulder height is directly proportional with the radial distribution angle.
4. asymmetric dynamic balance vertical milling cutter according to claim 3 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.
5. according to claim 2 or 3 or 4 described asymmetric dynamic balance vertical milling cutters, it is characterized in that: described periphery cutting edge (21) is 10 °~50 ° with respect to the helixangle of slotting cutter axis.
6. according to claim 2 or 3 or 4 described asymmetric dynamic balance vertical milling cutters, it is characterized in that: the back knife face of described periphery cutting edge (21) is provided with keeps away the land that shakes (211), described angle of keeping away relative periphery cutting edge (21) cutting edge of the land that shakes (211) is α, 0 °<α≤4 °, the described width of keeping away the land that shakes (211) is W, 0mm<W≤0.15mm.
7. asymmetric dynamic balance vertical milling cutter according to claim 5, it is characterized in that: the back knife face of described periphery cutting edge (21) is provided with keeps away the land that shakes (211), described angle of keeping away relative periphery cutting edge (21) cutting edge of the land that shakes (211) is α, 0 °<α≤4 °, the described width of keeping away the land that shakes (211) is W, 0mm<W≤0.15mm.
8. according to each described asymmetric dynamic balance vertical milling cutter in the claim 1 to 4, it is characterized in that: described 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 7 is characterized in that: described cutting tip (2) also is provided with the bottom cutting edge (22) that links to each other with periphery cutting edge (21).
10. asymmetric dynamic balance vertical milling cutter according to claim 9 is characterized in that: be connected by bight cutting edge (25) between described bottom cutting edge (22) and the described periphery cutting edge (21).
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CN2010102831251A CN101920354B (en) | 2010-09-16 | 2010-09-16 | Asymmetric dynamic balance vertical milling cutter |
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CN2010102831251A CN101920354B (en) | 2010-09-16 | 2010-09-16 | Asymmetric dynamic balance vertical milling cutter |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102303158A (en) * | 2011-08-31 | 2012-01-04 | 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 |
CN103084935A (en) * | 2012-12-19 | 2013-05-08 | 西南铝业(集团)有限责任公司 | Grinding method for milling cutter degrees, formed milling cutter and degree milling cutter |
WO2015193173A1 (en) * | 2014-06-17 | 2015-12-23 | Franz Haimer Maschinenbau Kg | Rotary cutting tool |
CN111712344A (en) * | 2018-02-26 | 2020-09-25 | 京瓷株式会社 | Cutting tool and method for manufacturing cut product |
CN112334259A (en) * | 2018-06-28 | 2021-02-05 | 联合材料公司 | Reamer bit |
RU2743703C1 (en) * | 2020-04-28 | 2021-02-24 | УайДжи-1 Ко., Лтд. | Rotary cutting tool with space for chips proportional to the feed per tooth |
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US20030118411A1 (en) * | 2001-09-10 | 2003-06-26 | Flynn Clifford M. | Variable helix cutting tools |
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 |
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2010
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US20030118411A1 (en) * | 2001-09-10 | 2003-06-26 | Flynn Clifford M. | Variable helix cutting tools |
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 |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102303158A (en) * | 2011-08-31 | 2012-01-04 | 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 |
CN103084935A (en) * | 2012-12-19 | 2013-05-08 | 西南铝业(集团)有限责任公司 | Grinding method for milling cutter degrees, formed milling cutter and degree milling cutter |
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 |
WO2015193173A1 (en) * | 2014-06-17 | 2015-12-23 | Franz Haimer Maschinenbau Kg | Rotary cutting tool |
US10376969B2 (en) | 2014-06-17 | 2019-08-13 | Franz Haimer Maschinenbau Kg | Rotary cutting tool |
CN111712344A (en) * | 2018-02-26 | 2020-09-25 | 京瓷株式会社 | Cutting tool and method for manufacturing cut product |
CN111712344B (en) * | 2018-02-26 | 2023-10-27 | 京瓷株式会社 | Cutting tool and method for manufacturing cut product |
CN112334259A (en) * | 2018-06-28 | 2021-02-05 | 联合材料公司 | Reamer bit |
US11724323B2 (en) | 2018-06-28 | 2023-08-15 | A.L.M.T. Corp. | Reamer |
RU2743703C1 (en) * | 2020-04-28 | 2021-02-24 | УайДжи-1 Ко., Лтд. | Rotary cutting tool with space for chips proportional to the feed per tooth |
US11554426B2 (en) | 2020-04-28 | 2023-01-17 | Yg-1 Co., Ltd. | Rotary cutting tool having chip space in proportion to feed-per-tooth |
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