CN108174516A - A kind of processing method of PCB circuit board pore-forming positioning plate - Google Patents
A kind of processing method of PCB circuit board pore-forming positioning plate Download PDFInfo
- Publication number
- CN108174516A CN108174516A CN201711428549.0A CN201711428549A CN108174516A CN 108174516 A CN108174516 A CN 108174516A CN 201711428549 A CN201711428549 A CN 201711428549A CN 108174516 A CN108174516 A CN 108174516A
- Authority
- CN
- China
- Prior art keywords
- slideway
- sliding block
- micrometer
- block group
- hole
- Prior art date
- 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.)
- Granted
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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
- H05K3/0008—Apparatus or processes for manufacturing printed circuits for aligning or positioning of tools relative to the circuit board
-
- 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
- H05K2203/10—Using electric, magnetic and electromagnetic fields; Using laser light
- H05K2203/107—Using laser light
-
- 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
- H05K2203/15—Position of the PCB during processing
- H05K2203/1509—Horizontally held PCB
Abstract
The invention discloses a kind of processing methods of PCB circuit board pore-forming positioning plate, two orthogonal slideways are machined in positioning plate and transportable adjustable sliding block group is set in slideway, precise positioning, the function of being positioned so as to fulfill the shop bolt for being fixed on adjustable sliding block upper surface to PCB circuit board to be processed can be carried out to adjustable sliding block group by micrometer and drive screw.After the PCB circuit board pore-forming manufacturing procedure for completing a model, the position of adjustable sliding block can be adjusted again, to carry out the PCB circuit board of other models into hole machined, there is the distinguishing feature that a plate is mostly used, a plate is commonly used, is avoided Wrong localization, is reduced manufacture cost.
Description
Technical field
The present invention relates to printed wiring board manufacturing field, more particularly, to a kind of PCB circuit board pore-forming positioning plate
Processing method.
Background technology
When PCB circuit board is carried out into hole machined, usually used is that the positioning method in 3 hole of 1 face, 2 hole system or 1 face will be treated
The PCB circuit board of processing is located on positioning plate, wherein in the positioning method in 1 face, 3 hole, wherein it is for preventing to have 1 hole
Only fabrication hole anti-on plate.Therefore it when actually being drilled, first has to install on the numerically-controlled machine tool table top of printed wiring board
Dedicated positioning plate processes 2 location holes on bottom plate, as shown in fig. 1, the position of location hole and PCB lines to be processed
Road board size matching, then installs shop bolt in location hole, and location hole coordinates installation with shop bolt in a manner of interference, so
On the shop bolt for being afterwards again mounted on PCB circuit board to be processed.
As shown in Figure 1, when processing in this way, before often processing a kind of product of model, all first have on bottom plate
Matched location hole 01 is first processed, in the course of time, the location hole 01 of positioning plate can become very intensive, and such case is held very much
Easily leading to location hole mistake leads to product abandonment, even if the bottom plate more renewed, will soon also become this state, and this
Positioning plate it is expensive, often replace the manufacture cost of product can be made to increase, this state be at present all printed wirings
A kind of phenomenon of board industry generally existing, this problem trouble engineers and technicians, never effectively do at all for a long time
Method is improved.
Invention content
It is an object of the invention to overcome drawbacks described above of the existing technology, a kind of positioning plate not needed to change is provided
And its manufacturing method, by setting along X and the moveable shop bolt of Y-direction on positioning plate and misplacing pin, can make
Positioning plate can adapt to the positioning of different model PCB circuit board.
To achieve the above object, technical scheme is as follows：
A kind of processing method of PCB circuit board pore-forming positioning plate, which is characterized in that PCB circuit board pore-forming positions
The X-direction horizontal sides edge and Y-direction vertical edge edge of bottom plate are respectively arranged with one in X direction with one along the X side of Y-direction
To slideway and Y-direction slideway, slideway is rectangular through-hole, and slideway inner wall centre position is provided with along slideway axial direction and is in
Two sliding rails of same level height are provided with graduated scale between X-direction slideway and positioning plate X-direction horizontal sides edge；
Adjustable sliding block group on the sliding rail of each slideway is installed, it is upper above sliding rail including being located at that sliding block group is adjusted
Slide plate and the lower skateboard below sliding rail, upper slide and lower skateboard are bolted, and adjustable sliding block group can be slided along sliding rail
It is dynamic, slide plate pilot pin installation tapped through hole is provided on upper slide, installation being capable of edge in slide plate pilot pin installation tapped through hole
The slide plate pilot pin of tapped through hole movement, slide plate pilot pin upper end are interior hexagonal；
It is provided between the upper slide and lower skateboard of the adjustable sliding block group of X-direction slideway axial along slideway and from slideway end
The drive screw of positioning plate side wall runs through in portion, and the end of drive screw is connected with micrometer, makes biography by rotating micrometer
Dynamic screw rod rotation, micrometer are fixed on positioning plate lateral wall by micrometer stand, and being equipped on micrometer locating support can
Limit micrometer and the micrometer locking device of drive screw rotation；
When twisting slide plate positioning needle end part makes the syringe needle of slide plate pilot pin beyond upper slide bottom surface and drive screw
When screw thread engages, adjustable sliding block group can be made to be slided along sliding rail by rotating micrometer；
When twisting slide plate positioning needle end part and make the syringe needle of slide plate pilot pin without departing from upper slide bottom surface, can adjust manually
The adjustable sliding block group of section is slided along sliding rail；
A mistake proofing pin and a shop bolt are fixed above the upper slide of adjustable sliding block group in X-direction slideway；
In the Y direction a shop bolt is fixed above the upper slide of the adjustable sliding block group in slideway；
Its procedure of processing includes：
Process slideway and sliding rail：By mechanical CNC milling machine, using flat-end cutter, processed respectively on the positioning plate
Go out X-direction slideway, Y-direction slideway, X-direction sliding rail and Y-direction sliding rail；
Process graduated scale：Graduated scale is processed using the special laser numerical control drilling machine of PCB circuit board, first by PCB circuit board into
Hole is placed on positioning plate on the special laser numerical control drilling machine table top of PCB circuit board, is then laser machined, laser processing parameter
Setting：Using AP0 beam modes, beam diameter is set asCooked mode is set as 11, period 0.5ms, scale
Ruler depth 0.15-0.20mm, graduated scale are 1-2mm away from slideway lower edge distance, and left side is 10mm away from bottom plate left side edge position, is carved
Spend ruler width 10mm；
Assemble the adjustable sliding block group and micrometer in slideway：1) add in the positioning plate side wall of the end of X-direction slideway
Work through-hole, the positioning plate lateral wall in through hole fix micrometer stand；2) the adjustable sliding block of X-direction slideway is made respectively
The upper slide of group and the upper slide and lower skateboard of the adjustable sliding block group of lower skateboard and Y-direction slideway；3) X-direction is assembled respectively
Sliding block group is adjusted in slideway and sliding block group is adjusted in Y-direction slideway；4) micrometer in X-direction slideway is assembled, by drive screw
Micrometer stand and through-hole are sequentially passed through, stretches between the upper slide and lower skateboard of adjustable sliding block group of X-direction slideway, makes biography
The central axis of dynamic screw rod and the central axis of slide plate pilot pin installation spiral through-hole are located in the same vertical plane of positioning plate,
And the central axis of drive screw is with the central axis of upper slide through-hole and lower skateboard bolt hole not in the same of positioning plate
In vertical plane, micrometer is installed in the end of drive screw, micrometer locking device is installed above micrometer stand；5) in cunning
Slide plate pilot pin is installed in plate pilot pin installation spiral through-hole；
Positioning plate is mounted on numerically-controlled machine tool table top.
Description of the drawings
Fig. 1 is the schematic diagram that pore size distribution is positioned after positioning plate first time use in the prior art and after being used for multiple times；
Fig. 2 is the structure diagram of PCB circuit board pore-forming positioning plate of the present invention；
Fig. 3 is the cross-sectional structure schematic diagram of the slideway in PCB circuit board pore-forming positioning plate of the present invention；
Fig. 4 is to install adjustable sliding block group and thousand in PCB circuit board pore-forming positioning plate of the present invention in X-direction slideway
Divide the side structure schematic view of ruler；
Fig. 5 is the vertical view of Fig. 4；
Fig. 6 is the cross-sectional structure schematic diagram of Fig. 4；
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in further detail.
It should be noted that in following specific embodiments, when embodiments of the present invention are described in detail, in order to clear
Ground represents the structure of the present invention in order to illustrate, special not draw to the structure in attached drawing according to general proportion, and carried out part
Amplification, deformation and simplified processing, therefore, should avoid in this, as limitation of the invention to understand.
Fig. 2 is the schematic diagram of PCB circuit board pore-forming positioning plate of the present invention, and PCB circuit board pore-forming of the invention is used fixed
Position bottom plate 3 is inserted into bottom plate location hole 2 by bottom plate positioning bolt 1 when in use and is fixed on numerically-controlled machine tool 4, as to be processed
The loading plate of PCB circuit board 17.
The two neighboring vertical edges of positioning plate 3 are respectively defined as X-direction horizontal sides and Y-direction vertical edge, in X-direction water
Flat side edge and Y-direction vertical edge edge are respectively arranged with one in X direction with one along the X-direction slideway 11 of Y-direction and Y side
To slideway 15, slideway is rectangular through-hole, and the structure in X-direction slideway 11 and Y-direction slideway 15 is essentially identical.X-direction slideway
Graduated scale 12 is provided between 11 and positioning plate edge, the depth of graduated scale 12 can be 0.15-0.20mm, and width can be
10mm, the distance at the edge in an axial direction of graduated scale 12 and slideway 11 edge in an axial direction are 1-3mm, the left end of graduated scale 12 away from
It is 10mm with a distance from the side edge of positioning plate.
By taking X-direction slideway as an example, as shown in figure 3,11 inner wall centre position of X-direction slideway is provided with along slideway axial direction
And two sliding rails 21 in same level height.
Next Fig. 4~Fig. 6 is please referred to.Adjustable sliding block group 9 is installed on sliding rail 21, adjustable sliding block group 9 includes
Upper slide 91 above sliding rail and the lower skateboard below sliding rail 92, upper slide 91 and lower skateboard 92 are passed through by bolt 82
Process upper slide 91 smooth bore and process the threaded hole connection on lower skateboard 92, sliding block group 9 is adjusted can be along cunning
Rail 21 slides, and a slide plate pilot pin installation through-hole is provided on upper slide 91, and installation being capable of edge in slide plate pilot pin installation through-hole
The slide plate pilot pin 22 of through-hole movement.Preferably, the recessed 0.5~1mm of upper surface in positioning plate 3 in the upper surface of upper slide 91,
Recessed 0.5~the 1mm of lower surface in positioning plate 3 in lower surface of lower skateboard 92.Connect the bolt 82 of upper slide 91 and lower skateboard 92
Quantity with bolt hole 81 is 2, is located at the both ends of adjustable sliding block group respectively.Preferably, slide plate pilot pin mounting hole can
Think vertical tapped through hole, the outer surface of slide plate pilot pin 22 has and the matched screw thread of slide plate pilot pin mounting hole.
The interior appearance of slideway only in an X direction of next structure.Between the upper slide 91 of adjustable sliding block group 9 and lower skateboard 92
It is provided with the drive screw 10 for axially and from 11 end of slideway running through 3 side wall of positioning plate along slideway, the end of drive screw 10
Portion is connected with micrometer 6, rotates drive screw 10 by rotating micrometer 6, micrometer 6 is fixed on by micrometer stand 5
Positioning plate lateral wall, micrometer 6 can be limited by being equipped on micrometer locating support 5 locks with the micrometer that drive screw 10 rotates
Tight device 7.
When twisting 22 end of slide plate pilot pin makes the syringe needle of slide plate pilot pin 22 beyond 91 bottom surface of upper slide and transmission
During the screw thread engaging of screw rod 10, adjustable sliding block group 9 can be made to be slided along sliding rail 21 by rotating micrometer 6；When twisting slide plate
When positioning needle end part and making the syringe needle of slide plate pilot pin 22 without departing from upper slide bottom surface, manually adjustable adjustable sliding block group 9
It is slided along sliding rail 21.
Structure in Y-direction slideway 15 and the structure in X-direction slideway 11 are essentially identical, and different is：X-direction slideway
A shop bolt 13 and a mistake proofing pin 14 are fixed in the top of upper slide 91 of adjustable sliding block group 9 in 11, in Y-direction slideway 15
Adjustable sliding block group 16 top only there are one shop bolt 23, shop bolt 13 and 23 and mistake proofing pin 14 are used for treating
Location hole 18 and 10 in the PCB circuit board 19 of processing and 17 interference of mistake proofing hole socket, to PCB circuit board 19 to be processed into
Row positioning.Preferably, shop bolt 13 and 23 and mistake proofing pin 14 are fixed by welding in above upper slide, and shop bolt/
The material of mistake proofing pin and the location hole coupling part of PCB circuit board to be processed is hard alloy, shop bolt and upper slide
The material of fixed part is stainless steel.
The method positioned using above-mentioned positioning plate to PCB circuit board, is included the following steps：
Step S01：According to the X-direction of PCB circuit board to be processed and the position of Y-direction location hole 18 and 20, X side is determined
It is adjusted into slideway 11 in sliding block group and shop bolt in sliding block group is adjusted in the position of shop bolt 13 and Y-direction slideway 15
23 position；
Step S02：9 position of sliding block group is adjusted in preliminary adjust in X-direction slideway 11, read slideway edges graduated scale, make
In adjustable sliding block group 9 and step S01 identified position substantially close to；
Step S03：X-direction positions：Slide plate pilot pin 22 along slide plate pilot pin mounting hole is moved down, adjusts slide plate
The tip of pilot pin 22 is just contacted with drive screw 10, and is manually adjusted micrometer 6 and be identified through drive screw 10 and can make
Adjustable sliding block group 9 is moved along slideway 11；
Step S04：According to position identified in step S01, micrometer 6 is rotated, in moving process, micrometer makes biography
Dynamic screw rod 10 rotates, and slide plate pilot pin 22 and adjustable sliding block group 9 is driven to be moved along slideway 11, makes the position of shop bolt 13
It puts and is precisely aligned with program origin, then lock the locking device 7 of micrometer 6, then the connection bolt by adjustable sliding block group 9
82 lockings.
Step S05：The location hole 18 of PCB circuit board to be processed is sleeved in X-direction slideway to be adjusted in sliding block group 9 and is determined
It on the pin 13 of position, and checks that mistake proofing pin 14 is also located just in the mistake proofing hole 17 of PCB circuit board to be processed, adjusts Y manually
The position of shop bolt 23 in sliding block group is adjusted in the slideway of direction, the location hole 20 of PCB circuit board to be processed is sleeved on Y side
It is adjusted into slideway and PCB circuit board positioning to be processed on shop bolt, is completed in sliding block group.
The making and installation of above-mentioned positioning plate：
1 slideway makes：
By mechanical CNC milling machine, using flat-end cutter, X, Y-direction slideway are processed on positioning plate, it is desirable that X, Y slideway
Between degree of being mutually perpendicular within 50um (can No. 1 clamping complete, to ensure precision), guide rail depth will ensure sliding block upper surface
Height away from plate upper surface is in 0.5-1.0mm.
2 graduated scales make：
Graduated scale is processed using the special laser numerical control drilling machine of wiring board.This bottom plate is placed on table top first, is then carried out
Laser Processing, parameter setting：Using AP0 beam modes, beam diameter is set as φ 240um, cooked mode is set as 11, week
Phase 0.5ms；It is processed after parameter setting, ensures that graduated scale is clear, complete, graduated scale depth 0.15-0.20mm.Scale
Ruler is 1-2mm away from slideway lower edge distance；Left side is 10mm away from bottom plate left side edge position；Graduated scale height 10mm.
3 assemblings：
3.1 will install shop bolt 13 and 23 on upper slide, can be fixed for welded type, with PCB circuit board to be processed
The material for determining hole coupling part is hard alloy；It is stainless steel with slide plate coupling part material；Shop bolt is determined with production plate
Cooperation between the hole of position is made by industry common process precision；Shop bolt installs solid and reliable, non-loosening, without askew
Tiltedly.
3.2 installation mistake proofing pins 14, it is desirable that solid and reliable, non-loosening, without crooked.
3.3 installation slide plate pilot pins, positioning needle end part are hard alloy material, are stainless steel with location hole coupling part
Matter uses thread fiting mode between slide plate pilot pin and slide plate location hole installation through-hole；It is screwed into during installation with screwdriver
In hole, and tip is made not expose the lower surface of sliding block.
3.4 are installed on upper slide above sliding rail, and check that its upper surface is less than the height 0.5- of plate upper surface
1.0mm。
3.5 are in the same way placed in lower skateboard below sliding rail, are then connected in upper lower skateboard with hexagon socket head cap screw
Together, and ensure that the adjustable sliding block group after combination can be free to slide in slideway.
3.6 installation micrometer stands 5：Micrometer stand 5 with fixing screws is mounted on to the designated position of positioning plate, is protected
Card installs firm non-loosening.
3.7 installation micrometer locking devices 7.
3.8 installation micrometers 6 and drive screw 10, ensure intact, effective.
3.9 install the device in Y-direction slideway in the same way.
Positioning plate is mounted on numerically-controlled machine tool table top (all wiring board numerically-controlled machine tools can be used) by 4, ensures installation
Effect is solid and reliable, non-loosening.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (1)
- A kind of 1. processing method of PCB circuit board pore-forming positioning plate, which is characterized in that PCB circuit board pore-forming positioning bottom The X-direction horizontal sides edge and Y-direction vertical edge edge of plate be respectively arranged with one in X direction with an X-direction along Y-direction Slideway and Y-direction slideway, slideway are rectangular through-hole, and slideway inner wall centre position is provided with along slideway axial direction and in same Two sliding rails of one level height are provided with graduated scale between X-direction slideway and positioning plate X-direction horizontal sides edge；Adjustable sliding block group on the sliding rail of each slideway is installed, sliding block group is adjusted and includes being located at the upper slide above sliding rail With the lower skateboard below sliding rail, upper slide and lower skateboard are bolted, and adjustable sliding block group can be slided along sliding rail, on Slide plate pilot pin installation tapped through hole is provided on slide plate, installs and can threadingly lead in slide plate pilot pin installation tapped through hole The slide plate pilot pin of hole movement, slide plate pilot pin upper end are interior hexagonal；It is provided with axial along slideway between the upper slide and lower skateboard of the adjustable sliding block group of X-direction slideway and is passed through from slideway end The drive screw of positioning plate side wall is pierced by, the end of drive screw is connected with micrometer, makes transmission spiral shell by rotating micrometer Bar rotates, and micrometer is fixed on positioning plate lateral wall by micrometer stand, and being equipped on micrometer locating support can limit Micrometer and the micrometer locking device of drive screw rotation；When twisting slide plate positioning needle end part makes the syringe needle of slide plate pilot pin beyond upper slide bottom surface and the screw thread of drive screw During engaging, adjustable sliding block group can be made to be slided along sliding rail by rotating micrometer；When twist slide plate positioning needle end part and when making the syringe needle of slide plate pilot pin without departing from upper slide bottom surface, it is manually adjustable can Adjusting slider group is slided along sliding rail；A mistake proofing pin and a shop bolt are fixed above the upper slide of adjustable sliding block group in X-direction slideway；In the Y direction a shop bolt is fixed above the upper slide of the adjustable sliding block group in slideway；Its procedure of processing includes：Process slideway and sliding rail：By mechanical CNC milling machine, using flat-end cutter, X is processed respectively on the positioning plate Direction slideway, Y-direction slideway, X-direction sliding rail and Y-direction sliding rail；Process graduated scale：Graduated scale is processed using the special laser numerical control drilling machine of PCB circuit board, first uses PCB circuit board pore-forming Positioning plate is placed on the special laser numerical control drilling machine table top of PCB circuit board, is then laser machined, laser processing parameter is set It puts：Using AP0 beam modes, beam diameter is set as φ 240um, cooked mode is set as 11, period 0.5ms, graduated scale Depth 0.15-0.20mm, graduated scale is away from slideway lower edge distance for 1-2mm, and left side is 10mm away from bottom plate left side edge position, scale Ruler width 10mm；Assemble the adjustable sliding block group and micrometer in slideway：1) it is logical in the processing of the positioning plate side wall of the end of X-direction slideway Hole, the positioning plate lateral wall in through hole fix micrometer stand；2) the adjustable sliding block group of X-direction slideway is made respectively The upper slide and lower skateboard of the adjustable sliding block group of upper slide and lower skateboard and Y-direction slideway；3) X-direction slideway is assembled respectively Sliding block group is adjusted in adjustable sliding block group and Y-direction slideway；4) micrometer in X-direction slideway is assembled, by drive screw successively Across micrometer stand and through-hole, stretch between the upper slide and lower skateboard of adjustable sliding block group of X-direction slideway, make transmission spiral shell The central axis of bar and the central axis of slide plate pilot pin installation spiral through-hole are located in the same vertical plane of positioning plate, and The central axis of drive screw is with the central axis of upper slide through-hole and lower skateboard bolt hole not in the same vertical of positioning plate In face, micrometer is installed in the end of drive screw, micrometer locking device is installed above micrometer stand；5) determine in slide plate Slide plate pilot pin is installed in the needle installation spiral through-hole of position；Positioning plate is mounted on numerically-controlled machine tool table top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711428549.0A CN108174516B (en) | 2017-12-26 | 2017-12-26 | Processing method of positioning bottom plate for PCB hole forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711428549.0A CN108174516B (en) | 2017-12-26 | 2017-12-26 | Processing method of positioning bottom plate for PCB hole forming |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108174516A true CN108174516A (en) | 2018-06-15 |
| CN108174516B CN108174516B (en) | 2020-08-11 |
Family
ID=62520767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711428549.0A Active CN108174516B (en) | 2017-12-26 | 2017-12-26 | Processing method of positioning bottom plate for PCB hole forming |
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| Country | Link |
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| CN (1) | CN108174516B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111246685A (en) * | 2020-01-07 | 2020-06-05 | 深圳市江霖电子科技有限公司 | High-precision processing method for PCB copper-sinking hole |
| WO2021203712A1 (en) * | 2020-04-08 | 2021-10-14 | 苏州维嘉科技股份有限公司 | Pin position adjusting device and drilling machine |
| CN114749696A (en) * | 2022-04-24 | 2022-07-15 | 深圳市大族数控科技股份有限公司 | Drilling equipment and drilling method |
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| CN1705423A (en) * | 2004-06-01 | 2005-12-07 | 日立比亚机械股份有限公司 | Printed board drilling method and printed board machining apparatus |
| CN101022701A (en) * | 2006-02-15 | 2007-08-22 | 日立比亚机械股份有限公司 | Printed circuit board processing device and drilling processing method therefor |
| CN102847984A (en) * | 2011-06-30 | 2013-01-02 | 昆山广禾电子科技有限公司 | Drilling rig |
| US9756734B2 (en) * | 2013-08-02 | 2017-09-05 | Peking University Founder Group Co., Ltd. | Manufacturing method for back drilling hole in PCB and PCB |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111246685A (en) * | 2020-01-07 | 2020-06-05 | 深圳市江霖电子科技有限公司 | High-precision processing method for PCB copper-sinking hole |
| WO2021203712A1 (en) * | 2020-04-08 | 2021-10-14 | 苏州维嘉科技股份有限公司 | Pin position adjusting device and drilling machine |
| CN114749696A (en) * | 2022-04-24 | 2022-07-15 | 深圳市大族数控科技股份有限公司 | Drilling equipment and drilling method |
| CN114749696B (en) * | 2022-04-24 | 2023-09-15 | 深圳市大族数控科技股份有限公司 | Drilling equipment and drilling method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108174516B (en) | 2020-08-11 |
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