CN107509309A - A kind of pcb board two bores leakproof drill method - Google Patents
A kind of pcb board two bores leakproof drill method Download PDFInfo
- Publication number
- CN107509309A CN107509309A CN201710521298.4A CN201710521298A CN107509309A CN 107509309 A CN107509309 A CN 107509309A CN 201710521298 A CN201710521298 A CN 201710521298A CN 107509309 A CN107509309 A CN 107509309A
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- CN
- China
- Prior art keywords
- pcb board
- drill
- bore
- hole
- leakproof
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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
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- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
- H05K2203/0214—Back-up or entry material, e.g. for mechanical drilling
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Drilling And Boring (AREA)
Abstract
The present invention relates to PCB boring method technical fields, more particularly to a kind of pcb board two to bore leakproof drill method, comprises the following steps：Pcb board drilling machine uses knife footpath T01 drill, and a brill is carried out to be used to connecting levels on the pcb board and copper-plated hole position of needs according to hole pattern is divided；Pcb board drilling machine uses knife footpath T02 drill, according to dividing hole pattern to being used for fixed or positioning on the pcb board and not needing copper-plated hole position to carry out two to bore；Two driller's sequences are often completed in step c, pcb board drilling machine uses knife footpath T02 drill, and one time three brill is carried out to the position for being used to identify on the pcb board；Rounding process is completed to the plate angle of the pcb board after drilling；To described one bore, two bore and three it is drilled to hole polish.The goal of the invention of the present invention is to provide a kind of pcb board two and bores leakproof drill method, using technical scheme provided by the invention can macroscopic examination hole count, avoid less porous or situation that leakage is bored, improve pcb board drilling efficiency.
Description
Technical field
The present invention relates to PCB boring method technical fields, more particularly to a kind of pcb board two to bore leakproof drill method.
Background technology
PCB drillings are a processes of PCB plate-making, are mainly punched to plank.Drilling operating is divided into a brill and two and bored, and one
The hole of brill is cabling needs, is needed after a brill by heavy copper process, is plated with copper in hole so that levels can be connected,
Such as via, original paper hole etc.；Two holes bored are structure needs, it is not necessary to by heavy copper process, such as screw hole, positioning hole, radiating groove
Deng.Behind two brills must bore one, that is to say, that process is separated.Pcb board is bonded together by several layers of resin materials, interior
Portion uses copper foil cabling, there is 4,6,8 layers of the 30-40% for dividing drillings to account for printed circuit board (PCB) cost.
, usually can be due to two leakages for boring quantity management and control not in place, bored machine failure or inspection personnel in boring procedure
Losing causes the situation that the leakage of two holes is bored occur so that the pcb board not bored is mixed into the pcb board bored, causes two brills to mix plate.
, it is necessary to which quantity must be checked when requiring and receiving plate into ejecting plate personnel in the case of two bore mixed plate, such as find that next stop has
The then rejection of few plate or mixed plate, confirm two driller's skills whether there is during ejecting plate and produce, can ejecting plate after director's confirmation is errorless.
Cost of labor is undoubtedly added using above-mentioned test mode, and with the development of electronics industry, to PCB manufacturers
Higher requirement is then proposed, especially brings serious test in productivity effect, Material Cost, charges for water and electricity saving etc., it is desirable to
Unit interval, the personal production output value must be lifted, and therefore, the benefit for lifting drilling is particularly important.
The content of the invention
The goal of the invention of the present invention is that providing a kind of pcb board two bores leakproof drill method, using technology provided by the invention
Scheme can macroscopic examination hole count, avoid less porous or leakage bore situation, improve pcb board drilling efficiency.
Technical scheme is used by the present invention solves above-mentioned technical problem：A kind of pcb board two bores leakproof drill method, including
Following steps：
Pcb board material is cut into the pcb board of specific dimensions by product requirement a,；
B, pcb board drilling machine use knife footpath T01 drill, according to divide hole pattern on the pcb board be used for connect levels
And need copper-plated hole position to carry out one to bore；
C, pcb board drilling machine use knife footpath T02 drill, according to divide hole pattern on the pcb board be used for fix or position
And do not need copper-plated hole position to carry out two to bore；
D, two driller's sequences are often completed in step c, pcb board drilling machine uses knife footpath T02 drill, to the PCB
The position for being used to identify on plate carries out one time three brill；
E, rounding process is completed to the plate angle of the pcb board after drilling；
F, to described one bore, two bore and three it is drilled to hole polish.
Preferably, bored in step d using knife footpath T02 drill to carrying out three for the position of mark, it is described to be used to mark
The position of knowledge is located at the marginal position of the pcb board, forms identification hole after the completion of three brills, the identification hole is located at the margin location
Put semicircular in shape shape.
Preferably, bored in step d to carrying out three for the position of mark, and the position for the identification hole that three brills are formed each time
It is not overlapping.
Preferably, step f to described one bore, two bore and three it is drilled to hole polish after, the pcb board is completed
Lower plate process, the pcb board is neatly overlapped according to the identification hole during lower plate.
Preferably, the drill used in step b, c and d, it, which makes material constituent, includes：Tungsten carbide, cobalt and have
Machine adhesive agent.
Preferably, after the drill is by three kinds of tungsten carbide, cobalt and organic bond powder uniformly mixing, in high temperature
Sintering in stove is burnt to form.
Therefore following beneficial effect can be reached using technical scheme provided by the invention：The present invention is in two drillings
After the completion of, identification hole, macroscopic examination pcb board edge identification hole are drilled out in pcb board edge with the drill in equal knife footpath
Realize that investigation two directly perceived bores the effect whether leaked brill, bored less；And drill, using two drills bored, reduction arranges knife and grabs knife
Implementation procedure, overall drilling benefit is lifted, cost is reduced, improves the personal output value.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the present invention will be implemented below
The required accompanying drawing used is briefly described in the description of example or prior art.It should be evident that drawings in the following description
Only part of the embodiment of the invention, for those of ordinary skill in the art, is not paying creative labor
Under the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is embodiment FB(flow block).
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
, usually can be due to two leakages for boring quantity management and control not in place, bored machine failure or inspection personnel in boring procedure
Losing causes the situation that the leakage of two holes is bored occur so that the pcb board not bored is mixed into the pcb board bored, causes two brills to mix plate.
In order to solve the situation that leakage brill occurs in two driller's skills or bores less, Fig. 1 is referred to, the present embodiment provides a kind of PCB
Plate two bores leakproof drill method, comprises the following steps：
Pcb board material is cut into the pcb board of specific dimensions by product requirement a,；
B, pcb board drilling machine use knife footpath T01 drill, according to divide hole pattern on pcb board be used for connect levels and
Need copper-plated hole position to carry out one to bore；
C, pcb board drilling machine uses knife footpath T02 drill, according to divide hole pattern to be used on pcb board it is fixed or positioning and
Do not need copper-plated hole position to carry out two to bore；
D, two driller's sequences are often completed in step c, pcb board drilling machine uses knife footpath T02 drill, on pcb board
Position for mark carries out one time three brill；
E, rounding process is completed to the plate angle of the pcb board after drilling；
F, first time drilling, second of drilling and the obtained hole that drills for the third time are polished.
Prior art, it is necessary to change drill, is entered after the completion of being drilled to pcb board by the mark knife after replacing to pcb board
Rower shows, staff is checked whether by identifying tool bore and completed to drill.Found in real process, due to identification hole
It is the drilling operating carried out after the completion of all two drillers sequences, the performance that can only meet to check knife footpath T02 using mark knife,
, can not macroscopic examination in the case of T01 knives two drill less porous or small opening.
In embodiments of the present invention, two driller's sequences are often completed in step c, pcb board drilling machine is using knife footpath T02's
Drill, one time three brill is carried out to the position for being used to identify on pcb board, form identification hole, therefore for each two drillings, in PCB
The position that plate needs to identify is all corresponding to have one three drilling.After the completion of the drilling operating of pcb board, staff passes through inspection
The quantity of three drillings can be on the basis of knife footpath T02 performance be checked, to two drillings with the presence or absence of less porous or small opening
Situation carries out macroscopic examination.
The drill used in being bored due to the drill used in step d with two is all T02 knives, and the embodiment of the present invention is bored using two
The middle T02 drills used, substitute mark knife of the prior art to switch by the implementation procedure of three driller's sequences of T02 drills, subtract
Knife is arranged less and grabs knife implementation procedure.Due to drilling machine, to complete required time that once drills extremely short, is carried using the embodiment of the present invention
The leakproof drill method of confession, its quantity to drill is at twice of drilling hole amount of prior art, and nonetheless, the present embodiment is by subtracting
The implementation procedure that knife etc. spends time length is discharged to and grabbed less, can still reach the effect for improving drilling efficiency.
In embodiments of the present invention, carry out three using knife footpath T02 drill in step d to bore, three positions bored are pcb board
The upper position for identifying, the inspection bored for the ease of staff to pcb board two, the position for being used to identify are located at pcb board
Marginal position, three bore after the completion of the identification hole that is formed be located at marginal position, and semicircular in shape shape.Completed simultaneously in pcb board
After all process steps, i.e., step d to one bore, two bore and three it is drilled to hole polish after, by pcb board complete lower plate process,
Pcb board is neatly overlapped according to the direction of identification hole during lower plate.On pcb board of the staff by checking marshalling
Three drillings positioned at edge, the quantity by checking three drillings can intuitively investigate whether two brills leak brill, few brill.
Using leakproof drill method provided in an embodiment of the present invention, its quantity to drill prior art drilling hole amount two
Times, for knife footpath T02 drill, its hardness and wearability are both needed to the drill more than knife footpath T01, and wearability and hardness are drills
The emphasis of assessment, its alloy particle can more carefully improve hardness and be adapted to bore aperture, and its usual alloy particle is less than 1 micron.
Step b, the drill used in c and d, it, which makes material constituent, includes：The strong tungsten carbide of hardness high-wearing feature, impact resistance and
The high cobalt of hardness and organic adhesive agent.After drill is uniformly mixed in proportion by three kinds of tungsten carbide, cobalt and organic bond powder,
Sintering in stove is burnt in high temperature to form.
The present embodiment drills out identification hole with the drill in equal knife footpath after the completion of two drillings in pcb board edge, inspection directly perceived
Look into pcb board edge identification hole and the effect whether brill of investigation two directly perceived leaks brill, bores less can be achieved；And drill is using two
The drill of brill, reduction arrange knife and grab knife implementation procedure, lift overall drilling benefit, reduce cost, the personal output value of raising.
Embodiments described above, the restriction to the technical scheme protection domain is not formed.It is any in above-mentioned implementation
Modifications, equivalent substitutions and improvements made within the spirit and principle of mode etc., should be included in the protection model of the technical scheme
Within enclosing.
Claims (6)
1. a kind of pcb board two bores leakproof drill method, it is characterised in that：Comprise the following steps：
Pcb board material is cut into the pcb board of specific dimensions by product requirement a,；
B, pcb board drilling machine use knife footpath T01 drill, according to divide hole pattern on the pcb board be used for connect levels and
Need copper-plated hole position to carry out one to bore；
C, pcb board drilling machine uses knife footpath T02 drill, according to divide hole pattern to be used on the pcb board it is fixed or positioning and
Do not need copper-plated hole position to carry out two to bore；
D, two driller's sequences are often completed in step c, pcb board drilling machine uses knife footpath T02 drill, on the pcb board
Position for mark carries out one time three brill；
E, rounding process is completed to the plate angle of the pcb board after drilling；
F, to described one bore, two bore and three it is drilled to hole polish.
2. a kind of pcb board two according to claim 1 bores leakproof drill method, it is characterised in that：Knife footpath is used in step d
T02 drill is bored to carrying out three for the position of mark, and the position for being used to identify is located at the marginal position of the pcb board,
Identification hole is formed after the completion of three brills, the identification hole is located at the marginal position semicircular in shape shape.
3. a kind of pcb board two according to claim 2 bores leakproof drill method, it is characterised in that：To for identifying in step d
Position carry out three bore, and each time three bore formed identification holes position it is not overlapping.
4. a kind of pcb board two according to claim 3 bores leakproof drill method, it is characterised in that：In step f to described one
Bore, two bore and three it is drilled to hole polished after, the pcb board is completed into lower plate process, during the lower plate according to
Identification hole neatly overlaps the pcb board.
5. a kind of pcb board two according to claim 4 bores leakproof drill method, it is characterised in that：Adopted in step b, c and d
Drill, it, which makes material constituent, includes：Tungsten carbide, cobalt and organic adhesive agent.
6. a kind of pcb board two according to claim 5 bores leakproof drill method, it is characterised in that：The drill is by the carbon
After changing the uniform mixing of three kinds of tungsten, cobalt and organic bond powder, burn sintering in stove in high temperature and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710521298.4A CN107509309A (en) | 2017-06-30 | 2017-06-30 | A kind of pcb board two bores leakproof drill method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710521298.4A CN107509309A (en) | 2017-06-30 | 2017-06-30 | A kind of pcb board two bores leakproof drill method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107509309A true CN107509309A (en) | 2017-12-22 |
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ID=60679319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710521298.4A Pending CN107509309A (en) | 2017-06-30 | 2017-06-30 | A kind of pcb board two bores leakproof drill method |
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| Country | Link |
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| CN (1) | CN107509309A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666854A (en) * | 2009-09-30 | 2010-03-10 | 深南电路有限公司 | Detecting method for back drilling and missed drilling |
| CN101469962B (en) * | 2008-02-19 | 2010-12-01 | 孙成志 | Vehicle-mounted detachable cleaning apparatus and quasi-on-line cleaning method for heating system |
| CN105430874A (en) * | 2015-12-15 | 2016-03-23 | 竞陆电子(昆山)有限公司 | Secondary drilling leakage-proof detection structure and method for printed circuit boards |
| CN205353305U (en) * | 2016-03-02 | 2016-06-29 | 重庆凯歌电子股份有限公司 | Circuit board drilling detection device |
| CN205378347U (en) * | 2016-03-02 | 2016-07-06 | 重庆凯歌电子股份有限公司 | Area drilling detects circuit board of structure |
-
2017
- 2017-06-30 CN CN201710521298.4A patent/CN107509309A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469962B (en) * | 2008-02-19 | 2010-12-01 | 孙成志 | Vehicle-mounted detachable cleaning apparatus and quasi-on-line cleaning method for heating system |
| CN101666854A (en) * | 2009-09-30 | 2010-03-10 | 深南电路有限公司 | Detecting method for back drilling and missed drilling |
| CN105430874A (en) * | 2015-12-15 | 2016-03-23 | 竞陆电子(昆山)有限公司 | Secondary drilling leakage-proof detection structure and method for printed circuit boards |
| CN205353305U (en) * | 2016-03-02 | 2016-06-29 | 重庆凯歌电子股份有限公司 | Circuit board drilling detection device |
| CN205378347U (en) * | 2016-03-02 | 2016-07-06 | 重庆凯歌电子股份有限公司 | Area drilling detects circuit board of structure |
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Application publication date: 20171222 |