CN109041435A - A kind of the irregularly-shaped hole boring method and pcb board of pcb board - Google Patents
A kind of the irregularly-shaped hole boring method and pcb board of pcb board Download PDFInfo
- Publication number
- CN109041435A CN109041435A CN201811172995.4A CN201811172995A CN109041435A CN 109041435 A CN109041435 A CN 109041435A CN 201811172995 A CN201811172995 A CN 201811172995A CN 109041435 A CN109041435 A CN 109041435A
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- China
- Prior art keywords
- drilling
- outer rim
- irregularly
- shaped hole
- pcb board
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- 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.)
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
- H05K3/0047—Drilling of holes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09818—Shape or layout details not covered by a single group of H05K2201/09009 - H05K2201/09809
- H05K2201/09854—Hole or via having special cross-section, e.g. elliptical
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling Tools (AREA)
Abstract
A kind of the irregularly-shaped hole boring method and pcb board of pcb board, the irregularly-shaped hole is by the first drilling and the second drilling intersection molding, the outer rim of first drilling and the outer rim of second drilling have been crossed to form the first intersection point, and the irregularly-shaped hole boring method is comprising steps of S1: forming prebored hole through first intersection point before forming first drilling and second drilling；S2: molding first drilling and second drilling.By forming prebored hole in advance at the position that irregularly-shaped hole is easy to produce burr, by irregularly-shaped hole, in drilling, hole intersects with hole and to be formed by wedge angle and cut off in advance, reasonably combined bit bore parameter simultaneously carries out drilling to be redrilled operation, to solve the problems, such as that it is bad that irregularly-shaped hole is easy to produce burr.
Description
Technical field
The present invention relates to pcb board fields, more particularly, to the irregularly-shaped hole boring method and pcb board of a kind of pcb board.
Background technique
Main function of the irregularly-shaped hole in pcb board is parts foot, because of the Lian Kongjie that irregularly-shaped hole is the combination of more tooling holes
Structure, sharp corner of the drill bit through being crossed to form between via hole and hole is to easy because unbalance stress causes to produce due to substrate fiber cutting is continuous
Setation thorn to influence the efficiency of plug-in unit, or even influences aperture and leads to not plug-in unit.
Therefore, it is necessary to which the irregularly-shaped hole boring method to existing pcb board is improved.
Summary of the invention
It is an object of the present invention to provide the pcb board abnormity hole drills that Burr Problem is generated in a kind of reduction irregularly-shaped hole forming process
Pcb board made from hole method and application this method.
In order to achieve the above-mentioned object of the invention, the present invention provides a kind of irregularly-shaped hole boring method of pcb board, the irregularly-shaped holes
By the first drilling and the second drilling intersection molding, the outer rim of the outer rim of first drilling and second drilling has been crossed to form
First intersection point, which is characterized in that the irregularly-shaped hole boring method comprising steps of
S1: prebored hole is formed through first intersection point before forming first drilling and second drilling；
S2: molding first drilling and second drilling.
Further, first drilling, second drilling and the prebored hole are to move along a straight line shape by drill bit
At strip-shaped hole.
Further, the length of first drilling and second drilling is 4 millimeters, and width is 1.5 millimeters, described pre-
The length of drilling 7 is 2 millimeters, and width is 0.7 millimeter.
Further, the outer rim of the strip-shaped hole along its length is two straight lines being parallel to each other, first drilling
Outer rim along its length is the first outer rim, and the outer rim of second drilling along its length is the second outer rim, and described first hands over
Point is crossed to form by first outer rim and second outer rim.
Further, the outer rim and second drilling of the outer rim of the prebored hole along its length and first drilling
The angular bisector of angle that is crossed to form of outer rim be mutually perpendicular to, outside the outer rim of the prebored hole along its length and described first
Edge and second outer rim intersect and are formed the third outer rim of the irregularly-shaped hole, first intersection point to the third outer rim away from
From for 3mil.
Further, drill bit application parameter when forming the prebored hole: feed knife speed is 0.6m/min, and withdrawing knife speed is
12m/min, revolving speed are 250,000 RPM.
Further, drill bit application parameter when the described first drilling of molding: feed knife speed is 1.5m/min, and withdrawing knife speed is
20m/min, revolving speed are 380,000 RPM.
Further, drill bit application parameter when the described second drilling of molding: feed knife speed is 0.6m/min, and withdrawing knife speed is
12m/min, revolving speed are 250,000 RPM.
Further, weight is carried out to the prebored hole, first drilling and second drilling after step S2
Bore operation.
In order to achieve the above-mentioned object of the invention, the present invention provides a kind of pcb boards, use the special-shaped hole drilling of above-mentioned pcb board
Method is made.
Technical effect of the invention are as follows:, will be different by forming prebored hole in advance at the position that irregularly-shaped hole is easy to produce burr
Shape hole hole in drilling, which is intersected with hole, to be formed by wedge angle and cuts off in advance, and reasonably combined bit bore parameter simultaneously carries out again drilling
Operation is bored, to solve the problems, such as that it is bad that irregularly-shaped hole is easy to produce burr.
Detailed description of the invention
Fig. 1 is the molding structure schematic diagram of the irregularly-shaped hole of present pre-ferred embodiments.
Fig. 2 is the irregularly-shaped hole structural schematic diagram after molding in Fig. 1.
Fig. 3 is the molding structure schematic diagram of irregularly-shaped hole in another embodiment of the present invention.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.
Embodiment
One kind as shown in Figure 1 to Figure 2 is opened in the irregularly-shaped hole 1 of pcb board (not shown), and the irregularly-shaped hole 1 is bored by first
The outer rim of the 3 intersection molding of hole 2 and the second drilling, the outer rim of first drilling 2 and second drilling 3 is crossed to form one the
One intersection point 6, which is characterized in that 1 boring method of irregularly-shaped hole comprising steps of
S1. prebored hole 7 is formed through first intersection point 6 before forming first drilling 2 and second drilling 3；
S2. first drilling 2 and second drilling 3 are formed.
Preferably, first drilling 2, second drilling 3 and the prebored hole 7 are to move along a straight line shape by drill bit
At strip-shaped hole.
Preferably, the length of first drilling 2 and second drilling 3 is 4 millimeters, and width is 1.5 millimeters, described pre-
The length of drilling 7 is 2 millimeters, and width is 0.7 millimeter.
Preferably, the outer rim of the strip-shaped hole along its length is two straight lines being parallel to each other, first drilling, 2 edges
The outer rim of length direction is the first outer rim 4, and the outer rim of second drilling 3 along its length is the second outer rim 5, and described first hands over
Point 6 is crossed to form by first outer rim 4 and second outer rim 5.
Preferably, the outer rim and second drilling of the outer rim of the prebored hole 7 along its length and first drilling 2
The angular bisector 9 for the angle that 3 outer rim is crossed to form is mutually perpendicular to, the outer rim of the prebored hole 7 along its length and described the
One outer rim 4 and second outer rim 5 intersect and are formed the third outer rim 8 of the irregularly-shaped hole, and first intersection point 6 arrives the third
The distance of outer rim 8 is 3mil.
The irregularly-shaped hole 1 is easy to produce the outer rim that the undesirable position of burr is first drilling 2 and second drilling 3
The sharp corner being crossed to form, the present invention by forming prebored hole 7 in advance, and by irregularly-shaped hole 1, in drilling, hole intersects to be formed with hole
Wedge angle cut off in advance, with realize reduce the undesirable generation of burr.
In the present embodiment, the distance of first intersection point 6 to the third outer rim 8 is according to first drilling 2 and institute
The preferred size stating the bore size of the second drilling 3 and obtaining, those skilled in the art are readily apparent that according to the present invention according to not
With aperture size and accordingly adjust first intersection point 6 arrive the third outer rim 8 distance, embodiment of above is in this hair
In bright protection scope.
Preferably, drill bit application parameter when forming the prebored hole 7: feed knife speed is 0.6m/min, and withdrawing knife speed is
12m/min, revolving speed are 250,000 RPM.
Preferably, drill bit application parameter when forming first drilling 2: feed knife speed is 1.5m/min, and withdrawing knife speed is
20m/min, revolving speed are 380,000 RPM.
Preferably, drill bit application parameter when forming second drilling 3: feed knife speed is 0.6m/min, and withdrawing knife speed is
12m/min, revolving speed are 250,000 RPM.
The knife speed of drill bit and revolving speed, which are respectively less than, in the present embodiment, when forming second drilling 3 forms first drilling 2
When drill bit knife speed and revolving speed, so set, with reduce molding it is described second drilling 3 when because first drilling 2 formed due to lead
The unbalance stress for causing plate further reduces and generates the undesirable possibility of burr.
Preferably, weight is carried out to the prebored hole 7, first drilling 2 and second drilling 3 after step S2
Bore operation.
In the present embodiment, after forming the prebored hole 7, first drilling 2 and second drilling 3, respectively to institute
Prebored hole 7, first drilling 2 and second drilling 3 is stated to carry out being redrilled operation to remain in further removal drilling metapore
Burr.
Preferably, drill bit is dimensioned slightly smaller than the bit size for forming corresponding hole location to prevent from being redrilled when carrying out being redrilled operation
When expand aperture.
Preferably, when first outer rim 4 and second outer rim 5 are crossed to form multiple first intersection points 6, such as scheme
Irregularly-shaped hole 1 ' in another embodiment of the present invention shown in 3 is formed by first outer rim 4 and second outer rim 5 intersection molding
Two first intersection points 6, it is bad to reduce generation burr to form the prebored hole 7 through each first intersection point 6 respectively
Possibility.
The present invention provides a kind of pcb board, is made using 1 boring method of irregularly-shaped hole of above-mentioned pcb board.
Claims (10)
1. a kind of irregularly-shaped hole boring method of pcb board, the irregularly-shaped hole is by the first drilling and the second drilling intersection molding, described the
The outer rim of one drilling and the outer rim of second drilling have been crossed to form the first intersection point, which is characterized in that the abnormity hole drilling
Method comprising steps of
S1: prebored hole is formed through first intersection point before forming first drilling and second drilling；
S2: molding first drilling and second drilling.
2. the irregularly-shaped hole boring method of pcb board according to claim 1, first drilling, second drilling and institute
Stating prebored hole is to move along a straight line the strip-shaped hole formed by drill bit.
3. the irregularly-shaped hole boring method of pcb board according to claim 2, which is characterized in that it is described first drilling and it is described
The length of second drilling is 4 millimeters, and width is 1.5 millimeters, and the length of the prebored hole 7 is 2 millimeters, and width is 0.7 millimeter.
4. the irregularly-shaped hole boring method of pcb board according to claim 2 or 3, which is characterized in that the strip-shaped hole is along length
The outer rim in direction is two straight lines being parallel to each other, and the first drilling outer rim along its length is the first outer rim, described the
The outer rim of two drillings along its length is the second outer rim, and first intersection point is intersected by first outer rim and second outer rim
It is formed.
5. the irregularly-shaped hole boring method of pcb board according to claim 4, which is characterized in that the prebored hole is along length side
To the angular bisector of angle that is crossed to form of outer rim and the outer rim of first drilling and the outer rim of second drilling it is mutual
Vertically, the outer rim of the prebored hole along its length intersects with first outer rim and second outer rim and forms the abnormity
The third outer rim in hole, the distance of first intersection point to the third outer rim are 3mil.
6. the irregularly-shaped hole boring method of pcb board according to claim 1, which is characterized in that brill when forming the prebored hole
Head application parameter: feed knife speed is 0.6m/min, and withdrawing knife speed is 12m/min, and revolving speed is 250,000 RPM.
7. the irregularly-shaped hole boring method of pcb board according to claim 1, which is characterized in that when the described first drilling of molding
Drill bit application parameter: feed knife speed is 1.5m/min, and withdrawing knife speed is 20m/min, and revolving speed is 380,000 RPM.
8. the irregularly-shaped hole boring method of pcb board according to claim 1, which is characterized in that when the described second drilling of molding
Drill bit application parameter: feed knife speed is 0.6m/min, and withdrawing knife speed is 12m/min, and revolving speed is 250,000 RPM.
9. the irregularly-shaped hole boring method of pcb board according to claim 1, which is characterized in that institute after step S2
Prebored hole, first drilling and second drilling is stated to carry out being redrilled operation.
10. a kind of pcb board is made using the irregularly-shaped hole boring method of pcb board described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811172995.4A CN109041435A (en) | 2018-10-09 | 2018-10-09 | A kind of the irregularly-shaped hole boring method and pcb board of pcb board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811172995.4A CN109041435A (en) | 2018-10-09 | 2018-10-09 | A kind of the irregularly-shaped hole boring method and pcb board of pcb board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109041435A true CN109041435A (en) | 2018-12-18 |
Family
ID=64615941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811172995.4A Withdrawn CN109041435A (en) | 2018-10-09 | 2018-10-09 | A kind of the irregularly-shaped hole boring method and pcb board of pcb board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109041435A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434931A (en) * | 2019-06-27 | 2019-11-12 | 珠海崇达电路技术有限公司 | A method of improving irregularly-shaped hole connection position aperture burr |
| CN111787698A (en) * | 2020-07-13 | 2020-10-16 | 黄石星河电路有限公司 | Z-shaped slot hole machining method |
| CN112074091A (en) * | 2020-09-10 | 2020-12-11 | 黄石星河电路有限公司 | Method for processing 8-shaped hole PCB |
| CN113473711A (en) * | 2021-05-06 | 2021-10-01 | 江门崇达电路技术有限公司 | Method for removing copper wires in hole of L-shaped groove of PCB |
| CN113784517A (en) * | 2021-08-18 | 2021-12-10 | 胜宏科技（惠州）股份有限公司 | Method for removing burrs of special-shaped hole of PCB |
| CN114505900A (en) * | 2022-04-18 | 2022-05-17 | 惠州威尔高电子有限公司 | PCB-based U-shaped groove processing method, electronic equipment and storage medium |
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| CN106358374A (en) * | 2016-10-26 | 2017-01-25 | 广东骏亚电子科技股份有限公司 | Method for improving burrs in specially-shaped slotted hole |
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| US20050130480A1 (en) * | 2002-12-12 | 2005-06-16 | Broadcom Corporation | Via providing multiple electrically conductive paths |
| CN103369846A (en) * | 2013-06-28 | 2013-10-23 | 昆山元茂电子科技有限公司 | Special-shaped hole deburring method |
| US20170188466A1 (en) * | 2015-02-20 | 2017-06-29 | Nextgin Technology Bv | Method for Producing a Printed Circuit Board |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434931A (en) * | 2019-06-27 | 2019-11-12 | 珠海崇达电路技术有限公司 | A method of improving irregularly-shaped hole connection position aperture burr |
| CN111787698A (en) * | 2020-07-13 | 2020-10-16 | 黄石星河电路有限公司 | Z-shaped slot hole machining method |
| CN112074091A (en) * | 2020-09-10 | 2020-12-11 | 黄石星河电路有限公司 | Method for processing 8-shaped hole PCB |
| CN113473711A (en) * | 2021-05-06 | 2021-10-01 | 江门崇达电路技术有限公司 | Method for removing copper wires in hole of L-shaped groove of PCB |
| CN113784517A (en) * | 2021-08-18 | 2021-12-10 | 胜宏科技（惠州）股份有限公司 | Method for removing burrs of special-shaped hole of PCB |
| CN114505900A (en) * | 2022-04-18 | 2022-05-17 | 惠州威尔高电子有限公司 | PCB-based U-shaped groove processing method, electronic equipment and storage medium |
| CN114505900B (en) * | 2022-04-18 | 2022-11-08 | 惠州威尔高电子有限公司 | PCB-based U-shaped groove processing method, electronic equipment and storage medium |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181218 |
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| WW01 | Invention patent application withdrawn after publication |