CN110587006A - Diamond-shaped right-handed left-handed PCB milling cutter and machining method thereof - Google Patents
Diamond-shaped right-handed left-handed PCB milling cutter and machining method thereof Download PDFInfo
- Publication number
- CN110587006A CN110587006A CN201910924468.2A CN201910924468A CN110587006A CN 110587006 A CN110587006 A CN 110587006A CN 201910924468 A CN201910924468 A CN 201910924468A CN 110587006 A CN110587006 A CN 110587006A
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- milling cutter
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- 238000003801 milling Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title abstract description 11
- 238000003754 machining Methods 0.000 title abstract description 3
- 238000005520 cutting process Methods 0.000 claims abstract description 76
- 238000012545 processing Methods 0.000 claims abstract description 32
- 238000003672 processing method Methods 0.000 claims description 6
- 235000003283 Pachira macrocarpa Nutrition 0.000 claims description 3
- 241001083492 Trapa Species 0.000 claims description 3
- 235000014364 Trapa natans Nutrition 0.000 claims description 3
- 235000009165 saligot Nutrition 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000002411 adverse Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention belongs to the technical field of cutters, and particularly relates to a rhombus-shaped right-handed left-handed PCB milling cutter which comprises a cutter head part and a cutter handle part, wherein the cutter head part is connected with the cutter handle part through a connecting part, the connecting part is in a circular truncated cone shape, the cutter head part is provided with a cutting edge, a cutting edge and a chip breaker groove, the cutting edge is connected with the cutting edge, the cutting edge is arranged at the end part of the cutter head part, the cutting edge and the chip breaker groove are both arranged on the periphery of the cutter head part, the chip breaker groove is adjacent to the cutting edge, the cutting edge is a right-handed cutting edge, and the cutting edge is. When the milling cutter is used for processing, the plate edge quality is effectively improved; and the plate edge quality can be improved without compiling the cutter path again, so that the processing time is greatly saved, and the production efficiency is improved. In addition, a machining method of the milling cutter is further provided, so that the working stability and efficiency of the milling cutter are improved.
Description
Technical Field
The invention belongs to the technical field of cutters, and particularly relates to a rhombus-shaped right-handed left-handed PCB milling cutter and a processing method thereof.
Background
The processing cutter of the PCB is generally made of tungsten steel alloy, the cost is higher, the price of tungsten steel raw materials on the market is higher and higher, and the production profit of the cutter is gradually compressed on the premise that the industrial competition is gradually enhanced. The processing cutter of PCB board, its stalk portion is thick, and the cutting edge is thin, and in the course of working, its cutting edge is easily worn and torn, therefore the influence of the structure of cutting edge to its life is great.
In the prior art, a cutter for processing a PCB panel is generally a right-handed cutter, and the cutter is used for processing the panel edge to improve the quality of the panel edge, and is generally implemented by changing a milling processing mode. Changing the milling mode is usually achieved by modifying the milling tool path. Recompiling the tool path takes a lot of time, is inefficient, and is not conducive to enterprise development.
In view of the above, the related art needs to be perfected.
Disclosure of Invention
One of the objects of the present invention is: aiming at the defects of the prior art, the rhombus-shaped right-handed left-handed PCB milling cutter is provided, the milling mode can be directly changed, and therefore the plate edge quality is improved; the milling mode can be changed without compiling the path of the cutter again, and the production efficiency is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a PCB milling cutter is cut to water chestnut profile dextrorotation left side, includes tool bit portion and handle of a knife portion, tool bit portion pass through connecting portion with handle of a knife portion connects, connecting portion are the round platform type, tool bit portion is provided with cutting edge, cutting edge and chip breaker groove, the cutting edge with the cutting edge is connected, the cutting edge set up in the tip of tool bit portion, the cutting edge the chip breaker groove all set up in the whole body of tool bit portion, the chip breaker groove with the cutting edge is adjacent to be set up, the cutting edge is dextrorotation cutting edge, the cutting edge is water chestnut profile. During working, the cutting edge and the cutting knife sequentially process the PCB, continuous scraps are generated in the processing process, the cutting groove cuts off the scraps and discharges the scraps in time, and the scraps are prevented from generating adverse effects on the quality of the PCB, so that the processing can be continuously carried out; the processed PCB has good board edge quality, and the milling cutter effectively improves the board edge quality during processing; and the plate edge quality can be improved without compiling the cutter path again, so that the processing time is greatly saved, and the production efficiency is improved.
As an improvement of the rhombus-shaped right-handed and left-handed PCB milling cutter, the blade is fishtail-shaped. The structural design is beneficial to drilling the PCB, and the processing efficiency is improved.
As an improvement of the rhombus-shaped right-handed left-handed PCB milling cutter, the diameter of the circumscribed circle of the blade is 0.50 mm-3.175 mm. The PCB processed by the size design achieves the best quality.
As an improvement of the rhombus-shaped right-handed left-handed PCB milling cutter, the edge length of the cutting edge is 3.0 mm-12.0 mm. The PCB processed by the size design achieves the best quality.
As an improvement of the rhombus-shaped right-handed and left-handed PCB milling cutter, the cutting comprises a right thread blade and a left thread blade, and the right thread blade and the left thread blade are arranged adjacently. In practical application, the right thread edge plays a cutting role, and the cutting edge is opened on the left side, so that the right-handed left-handed PCB milling cutter is formed.
As an improvement of the diamond-shaped right-handed left-handed PCB milling cutter, the thread angle of the right thread blade is 25-30 degrees. The structural design ensures the board edge quality of the PCB during processing.
As an improvement of the diamond-shaped right-handed left-handed PCB milling cutter, the thread angle of the left thread blade is 20-25 degrees. The structural design ensures the board edge quality of the PCB during processing.
As an improvement of the rhombus-shaped right-handed and left-handed PCB milling cutter, the tooth width on the right thread blade is 0.15 mm-0.42 mm. The structure design makes the cutting effect best.
As an improvement of the diamond-shaped right-handed and left-handed PCB milling cutter, the rake angle of the blade is 5-10 degrees. The structural design enables the cutting effect to be the best, and is beneficial to ensuring the board edge quality of the PCB.
As an improvement of the diamond-shaped right-handed left-handed PCB milling cutter, the clearance angle of the cutting edge is 22-28 degrees. The structural design enables the cutting effect to be the best, and is beneficial to ensuring the board edge quality of the PCB.
The second purpose of the invention is: aiming at the defects of the prior art, the processing method of the rhombus right-handed left-handed PCB milling cutter is further provided, so that the working stability and efficiency of the milling cutter are improved.
In order to achieve the purpose, the invention provides a processing method of a rhombus-shaped right-handed left-handed PCB milling cutter, which comprises the following steps:
when the outer frame is milled, the rotating direction of the tool shank part is opposite to the feeding direction of a workpiece, and the processing mode is reverse milling;
when the inner frame is milled, the rotating direction of the tool shank part is the same as the feeding direction of the workpiece, and the processing mode is forward milling.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a front view in an embodiment of the present invention;
FIG. 2 is a side view of an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of a right-hand thread cutting edge according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of a blade according to an embodiment of the present invention;
wherein: 1-a cutter head part; 11-a blade edge; 11' -anterior horn; 11 "-relief angle; 12-a cutting edge; 12' -edge length; 121-right thread edge; 121' -tooth width; 122-left thread edge; 13-chip breaker groove; 2-a handle portion; 3-a connecting part.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in further detail below with reference to the accompanying drawings, but the present invention is not limited thereto.
Example 1
As shown in fig. 1-4, a rhombus-shaped right-handed left-handed PCB milling cutter comprises a cutter head portion 1 and a cutter handle portion 2, the cutter head portion 1 is connected with the cutter handle portion 2 through a connecting portion 3, the connecting portion 3 is in a circular truncated cone shape, the cutter head portion 1 is provided with a cutting edge 11, a cutting edge 12 and a chip breaker groove 13, the cutting edge 11 is connected with the cutting edge 12, the cutting edge 11 is arranged at the end portion of the cutter head portion 1, the cutting edge 12 and the chip breaker groove 13 are both arranged on the periphery of the cutter head portion 1, the chip breaker groove 13 is arranged adjacent to the cutting edge 12, the cutting edge 12 is a right. In the working process, the cutting edge 11 and the cutting knife process the PCB in sequence, continuous scraps are generated in the processing process, the cutting groove cuts the scraps and discharges the scraps in time, the scraps are prevented from generating adverse effects on the quality of the PCB, and the processing can be continuously carried out; the processed PCB has good board edge quality, and the milling cutter effectively improves the board edge quality during processing; and the plate edge quality can be improved without compiling the cutter path again, so that the processing time is greatly saved, and the production efficiency is improved.
Preferably, the cutting edge 11 is fishtail shaped. The structural design is beneficial to drilling the PCB, and the processing efficiency is improved.
Preferably, the diameter of the circumscribed circle of the blade 11 is 0.50mm to 3.175 mm. The PCB processed by the size design achieves the best quality.
Preferably, the cutting edge 12 has an edge length 12' of 3.0mm to 12.0 mm. The PCB processed by the size design achieves the best quality.
Preferably, the cutting includes a right thread edge 121 and a left thread edge 122, and the right thread edge 121 is disposed adjacent to the left thread edge 122. In practical application, the right thread edge 121 performs a cutting function, and the cutting edge is opened at the left side, thereby forming a right-handed left-handed PCB milling cutter.
Preferably, the right threading edge 121 has a threading angle of 25 ° to 30 °. The structural design ensures the board edge quality of the PCB during processing.
Preferably, the thread angle of the left thread edge 122 is 20 ° to 25 °. The structural design ensures the board edge quality of the PCB during processing.
Preferably, the width 121' of the right screw blade 121 is 0.15mm to 0.42 mm. The structure design makes the cutting effect best.
Preferably, the rake angle 11' of the cutting edge 11 is of a magnitude of 5 ° to 10 °. The structural design enables the cutting effect to be the best, and is beneficial to ensuring the board edge quality of the PCB.
Preferably, the relief angle 11 "of the cutting edge 11 is of the order of 22 ° to 28 °. The structural design enables the cutting effect to be the best, and is beneficial to ensuring the board edge quality of the PCB.
The working principle of the invention is as follows: in the working process, the cutting edge 11 and the cutting knife process the PCB in sequence, continuous scraps are generated in the processing process, the cutting groove cuts the scraps and discharges the scraps in time, the scraps are prevented from generating adverse effects on the quality of the PCB, and the processing can be continuously carried out; the processed PCB has good board edge quality, and the milling cutter effectively improves the board edge quality during processing; and the plate edge quality can be improved without compiling the cutter path again, so that the processing time is greatly saved, and the production efficiency is improved.
Example 2
As shown in fig. 1 to 4, a processing method of the rhombus-shaped right-handed left-handed PCB milling cutter of embodiment 1 includes the following steps:
when the outer frame is milled, the rotating direction of the tool shank part 2 is opposite to the feeding direction of a workpiece, and the processing mode is reverse milling;
when the inner frame is milled, the rotating direction of the tool shank part 2 is the same as the feeding direction of the workpiece, and the processing mode is forward milling. The processing method is opposite to the milling processing mode of the traditional right-handed PCB milling cutter, and the board edge quality of the PCB is improved.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a PCB milling cutter is cut to water chestnut profile dextrorotation left side which characterized in that: including tool bit portion (1) and handle of a knife portion (2), tool bit portion (1) through connecting portion (3) with handle of a knife portion (2) are connected, connecting portion (3) are the round platform type, tool bit portion (1) is provided with cutting edge (11), cutting edge (12) and chip breaker groove (13), cutting edge (11) with cutting edge (12) are connected, cutting edge (11) set up in the tip of tool bit portion (1), cutting edge (12) chip breaker groove (13) all set up in the whole body of tool bit portion (1), chip breaker groove (13) with cutting edge (12) adjacent setting, cutting edge (12) are dextrorotation cutting edge, cutting edge (12) are the rhombus tooth type.
2. The rhombus-shaped right-handed left-handed PCB milling cutter according to claim 1, wherein: the cutting edge (11) is fishtail-shaped; the diameter of the circumscribed circle of the cutting edge (11) is 0.50 mm-3.175 mm.
3. The rhombus-shaped right-handed left-handed PCB milling cutter according to claim 1, wherein: the cutting edge (12) has an edge length (12') of 3.0mm to 12.0 mm.
4. The rhombus-shaped right-handed left-handed PCB milling cutter according to claim 1, wherein: the cutting includes a right thread edge (121) and a left thread edge (122), the right thread edge (121) being disposed adjacent to the left thread edge (122).
5. The rhombus-shaped right-handed left-handed PCB milling cutter according to claim 4, wherein: the thread angle of the right thread blade (121) is 25-30 degrees.
6. The rhombus-shaped right-handed left-handed PCB milling cutter according to claim 4, wherein: the thread angle of the left thread edge (122) is 20-25 degrees.
7. The rhombus-shaped right-handed left-handed PCB milling cutter according to claim 4, wherein: the tooth width (121') on the right thread blade (121) is 0.15 mm-0.42 mm.
8. The rhombus-shaped right-handed left-handed PCB milling cutter according to claim 1, wherein: the front angle (11') of the cutting edge (11) is 5-10 degrees.
9. The rhombus-shaped right-handed left-handed PCB milling cutter according to claim 1, wherein: the size of the back angle (11') of the cutting edge (11) is 22-28 degrees.
10. A processing method of a rhombus right-handed left-handed PCB milling cutter is characterized by comprising the following steps:
when the outer frame is milled, the rotating direction of the tool shank part (2) is opposite to the feeding direction of a workpiece, and the processing mode is reverse milling;
when the inner frame is milled, the rotating direction of the tool shank part (2) is the same as the feeding direction of a workpiece, and the processing mode is forward milling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910924468.2A CN110587006A (en) | 2019-09-27 | 2019-09-27 | Diamond-shaped right-handed left-handed PCB milling cutter and machining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910924468.2A CN110587006A (en) | 2019-09-27 | 2019-09-27 | Diamond-shaped right-handed left-handed PCB milling cutter and machining method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110587006A true CN110587006A (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910924468.2A Pending CN110587006A (en) | 2019-09-27 | 2019-09-27 | Diamond-shaped right-handed left-handed PCB milling cutter and machining method thereof |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201900307U (en) * | 2010-12-24 | 2011-07-20 | 王莉 | Special milling cutter for PCB |
| CN202045397U (en) * | 2011-01-26 | 2011-11-23 | 浙江瑞亨精密工具有限公司 | Hard alloy coarse tooth milling cutter |
| CN102873388A (en) * | 2011-07-15 | 2013-01-16 | 华伟纳精密工具（昆山）有限公司 | Multi-chip breaker groove milling cutter for printed circuit board (PCB) plate |
| CN203936444U (en) * | 2014-06-26 | 2014-11-12 | 超美精密工业（惠州）有限公司 | A kind of welding milling cutter |
| CN206445263U (en) * | 2017-02-17 | 2017-08-29 | 宜昌永鑫精工科技股份有限公司 | A kind of lower chip removal PCB milling cutters |
| CN110052654A (en) * | 2019-04-25 | 2019-07-26 | 厦门鸿鹭联创工具有限公司 | The design method of chip breaking type milling cutter |
| WO2019162090A1 (en) * | 2018-02-21 | 2019-08-29 | Ceratizit Balzheim Gmbh & Co. Kg | Milling tool |
| CN209363697U (en) * | 2018-09-17 | 2019-09-10 | 深圳市金洲精工科技股份有限公司 | A kind of double helix blade milling cutter |
| CN110216312A (en) * | 2019-03-21 | 2019-09-10 | 深圳市金洲精工科技股份有限公司 | A kind of milling tool and processing method for being cut holes in hole |
| CN210848520U (en) * | 2019-09-27 | 2020-06-26 | 广东鼎泰高科精工科技有限公司 | Diamond-shaped right-handed left-handed PCB milling cutter |
-
2019
- 2019-09-27 CN CN201910924468.2A patent/CN110587006A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201900307U (en) * | 2010-12-24 | 2011-07-20 | 王莉 | Special milling cutter for PCB |
| CN202045397U (en) * | 2011-01-26 | 2011-11-23 | 浙江瑞亨精密工具有限公司 | Hard alloy coarse tooth milling cutter |
| CN102873388A (en) * | 2011-07-15 | 2013-01-16 | 华伟纳精密工具（昆山）有限公司 | Multi-chip breaker groove milling cutter for printed circuit board (PCB) plate |
| CN203936444U (en) * | 2014-06-26 | 2014-11-12 | 超美精密工业（惠州）有限公司 | A kind of welding milling cutter |
| CN206445263U (en) * | 2017-02-17 | 2017-08-29 | 宜昌永鑫精工科技股份有限公司 | A kind of lower chip removal PCB milling cutters |
| WO2019162090A1 (en) * | 2018-02-21 | 2019-08-29 | Ceratizit Balzheim Gmbh & Co. Kg | Milling tool |
| CN209363697U (en) * | 2018-09-17 | 2019-09-10 | 深圳市金洲精工科技股份有限公司 | A kind of double helix blade milling cutter |
| CN110216312A (en) * | 2019-03-21 | 2019-09-10 | 深圳市金洲精工科技股份有限公司 | A kind of milling tool and processing method for being cut holes in hole |
| CN110052654A (en) * | 2019-04-25 | 2019-07-26 | 厦门鸿鹭联创工具有限公司 | The design method of chip breaking type milling cutter |
| CN210848520U (en) * | 2019-09-27 | 2020-06-26 | 广东鼎泰高科精工科技有限公司 | Diamond-shaped right-handed left-handed PCB milling cutter |
Non-Patent Citations (1)
| Title |
|---|
| 孟玲霞: "《数控技术实训教程》", 28 February 2014, 国防工业出版社, pages: 109 - 110 * |
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