CN114433893A - Cutting insert with different base body structures in circumferential direction - Google Patents
Cutting insert with different base body structures in circumferential direction Download PDFInfo
- Publication number
- CN114433893A CN114433893A CN202111680917.7A CN202111680917A CN114433893A CN 114433893 A CN114433893 A CN 114433893A CN 202111680917 A CN202111680917 A CN 202111680917A CN 114433893 A CN114433893 A CN 114433893A
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- base body
- cutting insert
- different
- cutting
- base
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- 238000005520 cutting process Methods 0.000 title claims abstract description 132
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 239000011159 matrix material Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 11
- 229910017052 cobalt Inorganic materials 0.000 claims description 9
- 239000010941 cobalt Substances 0.000 claims description 9
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 238000003754 machining Methods 0.000 description 6
- 239000000956 alloy Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a cutting blade with different substrate structures in the circumferential direction, which comprises a plate-shaped cutter body, wherein the plate-shaped cutter body comprises an upper surface, a lower surface and a side surface for connecting the upper surface and the lower surface, the upper surface comprises a groove profile and a central surface, the side surface and the groove profile are intersected to form a cutting edge, the periphery of a substrate of the plate-shaped cutter body at least comprises at least one first substrate and at least one second substrate, the first substrate and the second substrate are tightly connected and are arranged between the upper surface and the lower surface at intervals in the circumferential direction, and the second substrate and the first substrate are made of different materials.
Description
Technical Field
The invention mainly relates to the field of metal cutting machining, in particular to a cutting blade with different base body structures in the circumferential direction.
Background
When the cutting insert is involved in cutting, cutting mainly occurs in a first cutting region where a cutting edge, which is formed by intersecting a rake face on an upper surface and a flank face on a side surface of the cutting insert, receives a main cutting force, and although the rate and degree of wear of the flank face of the cutting insert determine the service life of the cutting insert, the service life of the cutting insert is greatly reduced if the cutting edge is chipped or the rake face forms a wear groove.
At present, the impact resistance of a cutting blade is improved by adopting a high-strength base body in the industry, and the cutting service life of the cutting blade is greatly prolonged by matching with a high-wear-resistant and low-resistance coating, but the coating thickness of the cutting blade is smaller, and the coating can fall off or be quickly worn due to abnormal scraping of chips in the cutting process, so that the most effective method for prolonging the service life of the cutting blade is still realized by adopting the high-strength and high-wear-resistant base body, but the impact resistance and the wear resistance of the cutting blade are always difficult to be completely considered, therefore, the cutting blade with a plurality of different appearance structures and base body structures is required to be configured to meet various cutting working conditions, and the use cost of the cutting blade is improved.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provide the cutting blade which can meet the requirements of different cutting working conditions, has high impact resistance and wear resistance and good universality and has different base body structures in the circumferential direction.
In order to solve the technical problems, the invention adopts the following technical scheme:
a cutting insert having different base structures in a circumferential direction, comprising a plate-shaped body including an upper surface, a lower surface, and side surfaces connecting the upper surface and the lower surface, the upper surface including a groove surface and a central surface, the side surfaces and the groove surface intersecting to form cutting edges, the periphery of the base of the plate-shaped body including at least one first base and at least one second base, the first base and the second base being closely connected and disposed between the upper surface and the lower surface at intervals in the circumferential direction, the second base and the first base having different materials.
As a further improvement of the above technical solution:
the cobalt content of the first substrate is omega 2, the cobalt content of the second substrate is omega 1, and the following conditions are met: omega 1-omega 2 is more than or equal to 0 and less than or equal to 5 percent.
The powder particle size of the first matrix is smaller than the powder particle size of the second matrix.
The center of the base body is provided with a central base body, and the second base body and the central base body have the same base body structure.
The center of the base body is provided with a central base body, and the first base body and the central base body have the same base body structure.
The center of the base body is provided with a central base body, and the central base body is different from the base body structures of the first base body and the second base body.
The side includes major flank and angle side, the crossing main cutting edge that forms of major flank and upper surface, the crossing angle cutting edge that forms of angle side and upper surface, be equipped with main cutting edge and angle cutting edge on the first base member simultaneously, only be equipped with main cutting edge on the second base member.
The diameter of the inscribed circle of the main cutting edge is D, the first base body is uniformly arranged outside the circumference with the diameter of D, and the following requirements are met: d is more than or equal to 0.6D and less than or equal to 0.8D.
The cutting insert having different basic structures in the circumferential direction further comprises a central hole which opens in the central basic body, the cutting insert having different basic structures in the circumferential direction being symmetrical with respect to a central axis of the central hole.
Compared with the prior art, the invention has the advantages that:
the cutting blade with different substrate structures in the circumferential direction of the invention, the periphery of the substrate of the plate-shaped cutter body at least comprises at least one first substrate and at least one second substrate, the first substrate and the second substrate are closely connected and are arranged between the upper surface and the lower surface at intervals in the circumferential direction, the second substrate and the first substrate are made of different materials, namely the cutting blade can be made into hard alloy substrate composition units with different structures, so that the cutting blade has good impact resistance and wear resistance at the same time, for example, the first substrate is made of hard alloy with high hardness and fine granularity, the second substrate is made of hard alloy with high toughness and coarse granularity, the strong impact resistance of the second substrate ensures that the first substrate provided with the cutting edge has good vibration resistance and impact resistance while having high wear resistance in the cutting process, thereby greatly prolonging the service life of the cutting blade, meanwhile, the universality of the cutting blade is improved, the technical problem that the hardness and the toughness of the cutting blade are difficult to be considered is solved, the processing requirements of various different working conditions are met, and the use cost of the cutting blade is reduced.
Drawings
FIG. 1 is a perspective view of a first embodiment of a cutting insert having circumferentially different base structures in accordance with the present invention;
FIG. 2 is a front view of a first embodiment of a cutting insert of the present invention having a different matrix configuration in the peripheral direction;
FIG. 3 is a view A-A of FIG. 2;
FIG. 4 is a perspective view of a second basic body of a first embodiment of a cutting insert of the present invention having a different basic body configuration in the peripheral direction;
FIG. 5 is a perspective view of a second embodiment of a cutting insert having a different matrix configuration in the peripheral direction in accordance with the present invention;
FIG. 6 is a front view of a second embodiment of a cutting insert of the present invention having a different matrix configuration in the peripheral direction;
FIG. 7 is a view B-B of FIG. 6;
fig. 8 is a perspective view of a first basic body in a second embodiment of a cutting insert according to the present invention having a different basic body structure in the peripheral direction;
fig. 9 is a perspective view of a third embodiment of a cutting insert having a different matrix structure in the peripheral direction according to the present invention;
FIG. 10 is a front view of a third embodiment of a cutting insert of the present invention having a different matrix configuration in the peripheral direction;
fig. 11 is a view C-C of fig. 10.
The reference numerals in the figures denote:
1. a plate-shaped cutter body; 2. an upper surface; 21. a groove profile; 22. a central plane; 3. a lower surface; 4. a side surface; 41. a major side; 42. a corner side; 5. a cutting edge; 51. a main cutting edge; 52. a corner cutting edge; 6. a substrate; 61. a first substrate; 62. a second substrate; 63. a central base; 7. a central bore; 8. a central axis.
Detailed Description
The invention will be described in further detail below with reference to the drawings and specific examples.
Fig. 1 to 4 show a first embodiment of a cutting insert according to the present invention having different base structures in the peripheral direction, which includes a plate-shaped cutting insert body 1, the plate-shaped cutting insert body 1 includes an upper surface 2, a lower surface 3 and a side surface 4 connecting the upper surface 2 and the lower surface 3, the upper surface 2 includes a groove profile 21 and a central surface 22, the side surface 4 and the groove profile 21 intersect to form a cutting edge 5, the periphery of a base body 6 of the plate-shaped cutting insert body 1 includes at least one first base body 61 and at least one second base body 62, the first base body 61 and the second base body 62 are closely connected and circumferentially spaced apart from each other between the upper surface 2 and the lower surface 3, the first base body 61 and the second base body 62 are made of different materials, i.e., the cutting insert may have different structures of cemented carbide base body constituent units, which may provide the cutting insert with good impact resistance and wear resistance, for example, the first substrate 61 is made of hard alloy with high hardness and fine granularity, the second substrate 62 is made of hard alloy with high toughness and coarse granularity, and the strong impact resistance of the second substrate 62 ensures that the first substrate 61 provided with the cutting edge has high wear resistance and good vibration and impact resistance in the cutting process, so that the service life of the cutting insert is greatly prolonged, the universality of the cutting insert is improved, the technical problem that the hardness and the toughness of the cutting insert are difficult to be considered is solved, the processing requirements of various working conditions are met, and the use cost of the cutting insert is reduced.
The cobalt content of the first base body 61 is ω 1, and the cobalt content of the second base body 62 is ω 2, so as to ensure the cutting wear resistance and impact resistance of the cutting insert, the following requirements should be satisfied: 0 ≦ ω 2 — ω 1 ≦ 5%, in this example, ω 1 ═ 8%, and ω 2 ≦ 10%.
In this embodiment, the powder particle size of the first matrix 61 is smaller than that of the second matrix 62, the powder particle size refers to the size of the powder particles in the matrix, and the particle size refers to the larger size of the powder particles.
In this embodiment, the center of the base 6 is provided with a center base 63, and the second base 62 and the center base 63 have the same base structure. First base member 61 establishes in the circumference of cutter, and second base member 62 is close to the center of cutter, and in the cutting process, second base member 62 has lower cutting speed, takes place cutting vibration easily during the high-efficient cutting, and second base member 62, central base member 63 have the same structure can extremely low the shaping degree of difficulty of blade, and the impact resistance, the cutting efficiency and the life-span of blade can be improved to the adoption powder granularity and high cobalt content base member of the same reason.
In the present embodiment, the side surface 4 includes a main side surface 41 and a corner side surface 42, the main side surface 41 and the upper surface 2 intersect to form a main cutting edge 51, the corner side surface 42 and the upper surface 2 intersect to form a corner cutting edge 52, the main cutting edge 51 and the corner cutting edge 52 are both provided on the first base 61, only the main cutting edge 51 is provided on the second base 62, the first base 61 has a higher cutting speed than the second base 62, the amount of the removed cutting material is large, the first base 61 wears more quickly, the corner cutting edge 52 adjacent to the first base 61 bears the largest cutting speed, the cutting life is short, and in order to prolong the cutting life of the main cutting edge 51 and the corner cutting edge 52 on the first base 61, the first base 61 is provided with both the main cutting edge 51 and the corner cutting edge 52, thereby approaching the life of the main cutting edge 51 on the second base 62.
The diameter of the inscribed circle of the main cutting edge 51 is D, the first base body 61 is uniformly arranged outside the circumference with the diameter of D, and in order to ensure the strength of the outer base body 61 and the impact resistance of the cutting edges of the main cutting edge 51 and the corner cutting edge 52 on the outer base body 61, the following requirements are met: d is not less than 0.6D and not more than 0.8D, and in the embodiment, D is 0.7D.
In this embodiment, the cutting insert having different basic configurations in the peripheral direction further comprises a central bore 7, the central bore 7 opening onto the central basic body 63, the cutting insert having different basic configurations in the peripheral direction being symmetrical with respect to the central axis 8 of the central bore 7.
Fig. 5 to 8 show a second embodiment of a cutting insert according to the invention having a different basic body inside and outside, which is essentially identical to the first embodiment, except that: in this embodiment, the center of the base 6 is provided with a center base 63, and the second base 62 and the center base 63 have the same base structure. First base member 61 establishes in the circumference of cutter, and second base member 62 is close to the center of cutter, and in the cutting process, second base member 62 has higher cutting speed, and easy quick wearing and tearing lead to size finishing ability to reduce during the finish machining cutting, and second base member 62, center base member 63 have the shaping degree of difficulty that the same structure base member can reduce the blade, adopt little powder granularity and low cobalt content base member can greatly improve the finish machining life-span and the finish machining precision of blade simultaneously.
Fig. 9 to 11 show a third embodiment of a cutting insert according to the invention having different basic bodies inside and outside, which is substantially identical to the first embodiment, except that: in this embodiment, a central base 63 is disposed at the center of the base 6, and the base structures of the central base 63, the first base 61, and the second base 62 are different. The first base body 61 and the second base body 62 are respectively provided with powder granularity and cobalt content so as to adapt to different cutting states of the circumferential direction or the adjacent center of the cutter, ensure the consistency of the service life of cutting edges on the first base body 61 and the second base body 62, furthest exert the cutting capability of finish machining and efficient machining of the blade according to different actual cutting conditions, and design the central base body 63 into a base body different from the structures of the first base body 61 and the second base body 62.
In the above embodiments, the cutting insert 1 is designed substantially in a quadrangular shape, but the present invention is not limited thereto, and the cutting insert may be designed in other shapes such as a triangular shape according to the function and performance requirements of the cutting insert.
In the above embodiment, the first base 61 and the second base 62 of the cutting insert 1 are uniformly provided outside the center base 63, and the outside of the center base 63 is formed in a circular shape, but the present invention is not limited thereto, and other shapes such as a polygonal shape outside the center base 63 may be used depending on the insert shape and the molding process.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (9)
1. A cutting insert with different basic body structures in the circumferential direction, comprising a plate-shaped body (1), the plate-shaped body (1) comprising an upper surface (2), a lower surface (3) and side surfaces (4) connecting the upper surface (2) and the lower surface (3), the upper surface (2) comprising a groove profile (21) and a centre surface (22), the side surfaces (4) and the groove profile (21) intersecting to form cutting edges (5), characterized in that: the periphery of the base body (6) of the plate-shaped cutter body (1) at least comprises at least one first base body (61) and at least one second base body (62), the first base body (61) and the second base body (62) are tightly connected and arranged between the upper surface (2) and the lower surface (3) at intervals along the circumferential direction, and the first base body (61) and the second base body (62) are made of different materials.
2. The cutting insert with different land configurations in a peripheral direction as set forth in claim 1, wherein: the cobalt content of the first substrate (61) is omega 2, the cobalt content of the second substrate (62) is omega 1, and the following conditions are satisfied: omega 1-omega 2 is more than or equal to 0 and less than or equal to 5 percent.
3. The cutting insert with different land configurations in a peripheral direction as set forth in claim 2, wherein: the powder particle size of the first matrix (61) is smaller than the powder particle size of the second matrix (62).
4. The cutting insert with different land configurations in a peripheral direction as set forth in claim 3, wherein: the center of the base body (6) is provided with a central base body (63), and the second base body (62) and the central base body (63) have the same base body structure.
5. The cutting insert with different land configurations in a peripheral direction as set forth in claim 3, wherein: the center of the base body (6) is provided with a central base body (63), and the first base body (61) and the central base body (63) have the same base body structure.
6. The cutting insert with different land configurations in a peripheral direction as set forth in claim 3, wherein: the center of the base body (6) is provided with a center base body (63), and the base body structures of the center base body (63) and the first base body (61) and the second base body (62) are different.
7. The cutting insert with different land configurations in a peripheral direction according to any one of claims 1 to 6, wherein: the side surface (4) comprises a main side surface (41) and an angle side surface (42), the main side surface (41) and the upper surface (2) are intersected to form a main cutting edge (51), the angle side surface (42) and the upper surface (2) are intersected to form an angle cutting edge (52), the first base body (61) is simultaneously provided with the main cutting edge (51) and the angle cutting edge (52), and the second base body (62) is only provided with the main cutting edge (51).
8. The cutting insert with different land configurations in a peripheral direction as set forth in claim 7, wherein: the diameter of an inscribed circle of the main cutting edge (51) is D, the first base body (61) is uniformly arranged outside the circumference with the diameter D, and the following requirements are met: d is more than or equal to 0.6D and less than or equal to 0.8D.
9. The cutting insert with different basic body structures in the circumferential direction according to any one of claims 4 to 6, wherein: the cutting insert with different base structures in the peripheral direction further comprises a central hole (7), the central hole (7) opens in the central base body (63), and the cutting insert with different base structures in the peripheral direction is symmetrical about a central axis (8) of the central hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111680917.7A CN114433893B (en) | 2021-12-30 | 2021-12-30 | Cutting blade with different base structures in circumferential direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111680917.7A CN114433893B (en) | 2021-12-30 | 2021-12-30 | Cutting blade with different base structures in circumferential direction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114433893A true CN114433893A (en) | 2022-05-06 |
| CN114433893B CN114433893B (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111680917.7A Active CN114433893B (en) | 2021-12-30 | 2021-12-30 | Cutting blade with different base structures in circumferential direction |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5183362A (en) * | 1990-01-10 | 1993-02-02 | Nippon Oil And Fats Co., Ltd. | Cutting tool assembly |
| US20040228694A1 (en) * | 2003-05-14 | 2004-11-18 | General Electric Company | Cutting tool inserts and methods to manufacture |
| CN1964807A (en) * | 2004-06-02 | 2007-05-16 | 山特维克知识产权股份有限公司 | Indexable cutting inserts and methods for producing the same |
| JP2009220267A (en) * | 2008-02-18 | 2009-10-01 | Sumitomo Electric Ind Ltd | Cutting tool |
| CN202461560U (en) * | 2011-11-30 | 2012-10-03 | 北京沃尔德超硬工具有限公司 | Brazing type polygonal composite ultra-hard blade |
| CN103261565A (en) * | 2010-11-03 | 2013-08-21 | 戴蒙得创新股份有限公司 | Cutting element structure with sloped superabrasive layer |
| JP2014004639A (en) * | 2012-06-21 | 2014-01-16 | Sumitomo Electric Ind Ltd | Composite structure tool |
| JP2015091627A (en) * | 2015-02-16 | 2015-05-14 | 住友電工ハードメタル株式会社 | Cbn cutting tool |
| CN111001833A (en) * | 2019-12-26 | 2020-04-14 | 厦门金鹭特种合金有限公司 | Superhard blade with superhard strip insert |
| CN211727535U (en) * | 2019-12-30 | 2020-10-23 | 厦门金鹭特种合金有限公司 | Superhard thread machining blade with water-drop-shaped chip breaking boss |
-
2021
- 2021-12-30 CN CN202111680917.7A patent/CN114433893B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5183362A (en) * | 1990-01-10 | 1993-02-02 | Nippon Oil And Fats Co., Ltd. | Cutting tool assembly |
| US20040228694A1 (en) * | 2003-05-14 | 2004-11-18 | General Electric Company | Cutting tool inserts and methods to manufacture |
| CN1964807A (en) * | 2004-06-02 | 2007-05-16 | 山特维克知识产权股份有限公司 | Indexable cutting inserts and methods for producing the same |
| JP2009220267A (en) * | 2008-02-18 | 2009-10-01 | Sumitomo Electric Ind Ltd | Cutting tool |
| CN103261565A (en) * | 2010-11-03 | 2013-08-21 | 戴蒙得创新股份有限公司 | Cutting element structure with sloped superabrasive layer |
| CN202461560U (en) * | 2011-11-30 | 2012-10-03 | 北京沃尔德超硬工具有限公司 | Brazing type polygonal composite ultra-hard blade |
| JP2014004639A (en) * | 2012-06-21 | 2014-01-16 | Sumitomo Electric Ind Ltd | Composite structure tool |
| JP2015091627A (en) * | 2015-02-16 | 2015-05-14 | 住友電工ハードメタル株式会社 | Cbn cutting tool |
| CN111001833A (en) * | 2019-12-26 | 2020-04-14 | 厦门金鹭特种合金有限公司 | Superhard blade with superhard strip insert |
| CN211727535U (en) * | 2019-12-30 | 2020-10-23 | 厦门金鹭特种合金有限公司 | Superhard thread machining blade with water-drop-shaped chip breaking boss |
Non-Patent Citations (3)
| Title |
|---|
| 刘宗昌等: "《金属材料工程概论》", vol. 2, 31 January 2018, 冶金工业出版社, pages: 52 * |
| 刘战强，艾兴: "高速切削刀具的发展现状", 工具技术, vol. 35, no. 03, pages 3 - 8 * |
| 段春争;冯占;孙伟;傅程;: "不同铝基体SiC_p/Al复合材料切削力与刀具的磨损研究", 工具技术, no. 01, pages 40 - 44 * |
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| CN114433893B (en) | 2023-12-01 |
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