CN212070543U - Novel PCB milling cutter with high chip removal performance - Google Patents
Novel PCB milling cutter with high chip removal performance Download PDFInfo
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- CN212070543U CN212070543U CN202020411889.3U CN202020411889U CN212070543U CN 212070543 U CN212070543 U CN 212070543U CN 202020411889 U CN202020411889 U CN 202020411889U CN 212070543 U CN212070543 U CN 212070543U
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- milling cutter
- chip removal
- cutting edge
- removal performance
- high chip
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Abstract
The utility model discloses a novel PCB milling cutter with high chip removal performance, including cutting part and stalk portion, the cutting part includes the milling cutter core and is the cutting edge that the heliciform distributes on this milling cutter core surface, cutting edge surface equidistance distributes and has a plurality of chip breaker groove, the chip breaker groove is oblique water droplet form, adopt above-mentioned technical scheme, the circuit board is milling the in-process, the chip breaker groove of oblique water droplet form can effectively reduce and mill the resistance, mill the piece that the in-process produced with the circuit board and flow along the smear metal direction, the chip removal effect has been improved, the heating of cutting edge has been reduced, milling cutter's life has been prolonged, thereby a chip removal performance is good has high chip removal performance's milling cutter.
Description
Technical Field
The utility model relates to a milling cutter field, in particular to novel PCB milling cutter with high chip removal performance.
Background
Milling cutters, which are rotary tools used for milling and having one or more teeth, are used for machining planes, steps, grooves, formed surfaces, cutting off workpieces and the like on milling machines, and the teeth cut off the allowance of the workpiece intermittently in sequence during operation.
In the forming process of the circuit board, because the board is made of materials with adhesive properties such as resin and the like, the chip removal performance of the board affects the severity of chip cladding caused by heating in the processing process of the milling cutter in the processing process of the cutter; the processing life of the milling cutter can be greatly prolonged by excellent chip removal performance, as shown in fig. 3, the traditional chip breaker groove 4' of the milling cutter is triangular, the chip removal effect is not ideal, the cutting edge is seriously heated, and the service life of the milling cutter is shortened, so that the milling cutter with high chip removal performance and good chip removal performance is provided, and the problem which needs to be solved urgently is solved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a milling cutter that has high chip removal performance that the chip removal performance is good.
In order to solve the technical problem, the utility model discloses a technical scheme does:
the utility model provides a novel PCB milling cutter with high chip removal performance, includes cutting part and stalk portion, the cutting part includes the milling cutter core and is the heliciform and distributes at the cutting edge on this milling cutter core surface, its characterized in that, cutting edge surface equidistance distributes and has a plurality of chip breaker, the chip breaker is oblique water droplet form.
Preferably, a truncated cone-shaped necking part is arranged between the cutting part and the handle part, and the cutting part, the handle part and the necking part are integrally formed or welded.
Preferably, the cutting edge has a diameter D, and the width β of the chip breaker is (0.15-0.20) D.
Preferably, the right inclination angle α of the upper end of the breaker groove is 25 ° to 70 °.
Preferably, the diameter of the blade is in the range of 0.35cm to 3.175 cm.
Preferably, the surface of the cutting edge is coated with a TiN coating or a CNWSi coating or a diamond coating.
By adopting the technical scheme, the inclined water drop-shaped chip breaker groove can effectively reduce milling resistance in the milling process of the circuit board, chips generated in the milling process of the circuit board flow out along the chip cutting direction, the chip removal effect is improved, the heating of a cutting edge is reduced, and the service life of the milling cutter is prolonged, so that the milling cutter with high chip removal performance and good chip removal performance is provided.
Drawings
Fig. 1 is a schematic structural view of a novel PCB milling cutter with high chip removal performance;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic view of a chip breaker on a conventional milling cutter.
In the figure, 1-shank, 2-neck, 3-core, 4-chip breaker, 5-cutting edge, 4' -conventional chip breaker.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 3, the utility model provides a novel PCB milling cutter with high chip removal performance, including cutting part and stalk portion 1, the cutting part includes milling cutter core 3 and is the heliciform and distributes at the cutting edge 5 on this milling cutter core 3 surface, cutting edge 5 is used for milling, 5 surperficial equidistance distributions of cutting edge have a plurality of chip breaker 4, chip breaker 4 is oblique water droplet form, the circuit board is milling the in-process, chip breaker 4 of oblique water droplet form can effectively reduce and mill the resistance, the piece that mills the in-process production of circuit board flows along the smear metal direction, the chip removal effect has been improved, the generating heat of cutting edge 5 has been reduced, milling cutter's life has been prolonged.
The utility model discloses the theory of operation as follows: the circuit board mills the in-process, and oblique water droplet form chip breaker groove 4 can effectively reduce and mill and resist, mills the piece that the in-process produced with the circuit board and flows out along the smear metal direction, has improved the chip removal effect, has reduced the generating heat of cutting edge 5, has prolonged milling cutter's life.
In this embodiment, a truncated cone-shaped necking portion 2 is provided between the blade portion and the shank portion, and the blade portion, the shank portion, and the necking portion 2 are integrally formed or welded.
In the present embodiment, the cutting edge 5 has an edge diameter D, and the width β of the breaker groove 4 is (0.15 to 0.20) D.
In this embodiment, the right inclination angle α of the upper end of the breaker groove 4 is 25 ° to 70 °.
In this embodiment, the diameter of the blade is in the range of 0.35cm to 3.175 cm.
In the present embodiment, the surface of the cutting edge 5 is coated with a TiN coating or a CNWSi coating or a diamond coating.
The circuit board mills the in-process, and oblique water droplet form chip breaker 4 can effectively reduce and mill and resist, mills the piece that the in-process produced with the circuit board and flows along the smear metal direction, has improved the chip removal effect, has reduced the generating heat of cutting edge 5, has prolonged milling cutter's life to a milling cutter that has high chip removal performance that the chip removal performance is good is provided.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (6)
1. The utility model provides a novel PCB milling cutter with high chip removal performance, includes cutting part and stalk portion, the cutting part includes the milling cutter core and is the heliciform and distributes at the cutting edge on this milling cutter core surface, its characterized in that, cutting edge surface equidistance distributes and has a plurality of chip breaker, the chip breaker is oblique water droplet form.
2. The new PCB milling cutter with high chip removal capability as claimed in claim 1, wherein: the cutting part with be equipped with the throat portion of round platform form between the stalk portion, the cutting part the stalk portion with throat portion integrated into one piece or welded molding.
3. The new PCB milling cutter with high chip removal capability as claimed in claim 1, wherein: the cutting edge diameter of the cutting edge is D, and the width beta of the chip breaker is (0.15-0.20) D.
4. The new PCB milling cutter with high chip removal capability as claimed in claim 1, wherein: the right inclination angle alpha of the upper end of the chip breaker groove is 25-70 degrees.
5. The new PCB milling cutter with high chip removal capability as claimed in claim 1, wherein: the diameter range of the blade part is 0.35 cm-3.175 cm.
6. The new PCB milling cutter with high chip removal capability as claimed in claim 1, wherein: the surface of the cutting edge is coated with a TiN coating or a CNWSi coating or a diamond coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020411889.3U CN212070543U (en) | 2020-03-26 | 2020-03-26 | Novel PCB milling cutter with high chip removal performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020411889.3U CN212070543U (en) | 2020-03-26 | 2020-03-26 | Novel PCB milling cutter with high chip removal performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212070543U true CN212070543U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202020411889.3U Active CN212070543U (en) | 2020-03-26 | 2020-03-26 | Novel PCB milling cutter with high chip removal performance |
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| CN (1) | CN212070543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605446A (en) * | 2020-12-23 | 2021-04-06 | 安徽环友科技有限公司 | PCB milling cutter with automatic chip removal ability |
-
2020
- 2020-03-26 CN CN202020411889.3U patent/CN212070543U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605446A (en) * | 2020-12-23 | 2021-04-06 | 安徽环友科技有限公司 | PCB milling cutter with automatic chip removal ability |
| CN112605446B (en) * | 2020-12-23 | 2024-02-09 | 安徽环友科技有限公司 | PCB milling cutter with automatic chip removal ability |
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