CN103561543A - PCB countersunk groove processing method - Google Patents
PCB countersunk groove processing method Download PDFInfo
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- CN103561543A CN103561543A CN201310572305.5A CN201310572305A CN103561543A CN 103561543 A CN103561543 A CN 103561543A CN 201310572305 A CN201310572305 A CN 201310572305A CN 103561543 A CN103561543 A CN 103561543A
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Abstract
The invention discloses a PCB countersunk groove processing method. The method comprises the steps of manufacturing a milled groove on a wood fiber board, placing a PCB into the milled groove, placing the wood fiber board on a processing platform of a numerical control machine tool, controlling the bottoms of a plurality of spindles of the numerical control machine tool to be at the same level, controlling the lengths of milling cutters corresponding to all the spindles to be in a preset range and meanwhile controlling the spindles to use the milling cutters corresponding to the spindles to process countersunk grooves on the PCB. In addition, the size of the milled groove is larger than that of the PCB, and the bottom of the milled groove is at the same level. By means of the technical scheme of the PCB countersunk groove processing method, the PCB countersunk groove processing efficiency is improved, and the tolerance difference of the processing countersunk grooves is controlled in a set range.
Description
Technical field
The present invention relates to printed circuit board technology field, particularly relate to a kind of pcb board deep gouge processing method.
Background technology
PCB(Printed Circuit Board, printed circuit board), be referred to as again as printed circuit board (PCB), printed substrate, be important electronic unit, be the supporter of electronic devices and components, be the supplier of electronic devices and components electrical connection.Every kind of electronic equipment almost, littlely arrives greatly computer to electronic watch, calculator, communication electronic device, and military armament systems, as long as there are the electronic devices and components such as integrated circuit, for the electrical interconnection between them, all will use printed circuit board.At present, Printed Circuit Board Design, processing, making have developed into an important industry, and from individual layer, develop into two-sided, multilayer and flexible, constantly to high accuracy, high density and high reliability future development, constantly reduced volume, reduce cost.
At present, in pcb board processing and manufacturing process, according to the demand of customization, generally need again PCB to produce on plate and process deep gouge, for metals such as deposited copper, tin.Traditional deep gouge processing method, controls CNC(Computer numerical Control, Digit Control Machine Tool) a main shaft PCB produced to plate process, can complete like this processing of a few sample, but cannot complete the processing of property in batches, efficiency is low.And utilize conventional art, and control a plurality of main shafts of CNC, carry out the processing of deep gouge simultaneously, the deep gouge depth tolerances of processing is larger, cannot meet more strict customization requirement.Therefore, need to provide a kind of method that can improve pcb board deep gouge working (machining) efficiency and precision.
Summary of the invention
Based on this, be necessary, for a kind of pcb board deep gouge processing method is provided, to apply method provided by the present invention, can improve pcb board deep gouge working (machining) efficiency, the deep gouge tolerance that control is processed is in tailored range.
A deep gouge processing method, comprising:
In wood fibre board, make a gong band, the size of described gong band is greater than pcb board, and the bottom of described gong band remains on same level;
Described pcb board is placed in to described gong band;
Described wood fibre board is placed on Digit Control Machine Tool processing platform, controls the bottom of a plurality of main shafts of described Digit Control Machine Tool in same level, and control the corresponding milling cutter length of each main shaft in preset range;
Control described a plurality of main shaft simultaneously, utilize the milling cutter that described a plurality of main shaft is corresponding to process deep gouge on described pcb board.
Therein in an embodiment, before described step of making a gong band in wood fibre board, described method also comprises:
On described pcb board, carry out machine drilling.
In an embodiment, described wood fibre plate thickness is 2.5mm therein.
In an embodiment, the described gong band of making in wood fibre board, comprising therein:
Utilize the first milling cutter gong in described wood fibre board to go out the gong band that a degree of depth is 1.0mm.
In an embodiment, the size of described gong band is than the large 50mm of the size of described pcb board therein.
In an embodiment, the diameter of described the first milling cutter is 2.0mm or 2.4mm therein.
In an embodiment, the corresponding milling cutter length of each main shaft of described control is in preset range therein, and being specially and controlling the multipair milling cutter length of answering of each main shaft is 21.0 ± 0.03mm.
Above-mentioned pcb board deep gouge processing method, in wood fibre board, produce a gong band, guarantee that the bottom of gong band is in same level, pcb board is placed in to gong band, Zai Jiang wood fibre board is placed on the level processing table top of Digit Control Machine Tool, control the bottom of a plurality of main shafts of Digit Control Machine Tool in same level, the milling cutter that each main shaft is corresponding is unified management and control length in preset range, carry out again the processing of deep gouge simultaneously, the efficiency of deep gouge processing can be improved, and each deep gouge depth tolerances can be controlled in the requirement of customization.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of a pcb board deep gouge processing method in embodiment;
Fig. 2 is the schematic flow sheet of the pcb board deep gouge processing method in another embodiment;
Fig. 3 is the scene schematic diagram of pcb board deep gouge processing in an embodiment.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, in one embodiment, provide a kind of pcb board deep gouge processing method, the method is mainly used in the customized demand according to client, a plurality of deep gouges of working depth tolerance in a strict scope on pcb board, for example customization deep gouge depth tolerances scope can be ± 0.15mm.
The pcb board deep gouge processing method that the present embodiment provides, specifically comprises following flow process:
In step 102， wood fibre board, make a gong band, the size of gong band is greater than pcb board, and the bottom of gong band remains on same level.
Concrete, in conventional art, that pcb board is placed in to directly processing in wood fibre board, can pass through a small amount of sample of single spindle processing, and while using a plurality of main shaft, the deep gouge depth tolerances of processing is difficult to control simultaneously, for example pcb board thickness is 1.0mm, deep gouge depth requirements is 0.5mm, may in processing, the part main shaft degree of depth of processing reach 1.0mm, causes and scraps phenomenon.And step 102 is different from and first makes a gong band in conventional art ， wood fibre board, make the mode of gong band, for example can be, but not limited to go out with milling cutter gong in wood fibre board the gong band of a constant depth, make the bottom of gong band in same level.The size of gong band (girth) is slightly larger than pcb board, for packing pcb board into, processes.
Concrete, after pcb board is placed in to gong band, wood fibre board is placed on the level table of Digit Control Machine Tool, in order to improve working (machining) efficiency, the present embodiment is used a plurality of main shafts of Digit Control Machine Tool to process simultaneously, for controlling deep gouge depth tolerances that each main shaft processes in tailored range, controls the bottom of each main shaft in same level, and control the corresponding milling cutter length of each main shaft in unified preset range, this preset range needs specifically according to the processed deep gouge degree of depth, to determine.
The pcb board deep gouge processing method that the present embodiment provides, in wood fibre board, produce a gong band, guarantee that the bottom of gong band is in same level, pcb board is placed in to gong band, Zai Jiang wood fibre board is placed on the level processing table top of Digit Control Machine Tool, control the bottom of a plurality of main shafts of Digit Control Machine Tool in same level, the milling cutter that each main shaft is corresponding is unified management and control length in preset range, carry out again the processing of deep gouge simultaneously, the efficiency of deep gouge processing can be improved, and each deep gouge depth tolerances can be controlled in the requirement of customization.
Participate in Fig. 2, in one embodiment, provide a kind of pcb board deep gouge processing method.The method specifically comprises:
Concrete, in the present embodiment, according to client, customize the flow process of processing PCB plate, need to before deep gouge processing, carry out machine drilling.
Concrete, referring to Fig. 3, in an application scenarios, the general thickness of wood fibre board 306 is 2.5mm, pcb board 302 thickness to be processed are about 1.0mm, and can select diameter is that the first milling cutter ， wood fibre board 306 gongs of 2.0mm or 2.4mm go out the gong band 304 that the degree of depth is 1.0mm.Owing to being mass processing, on pcb board 302, can comprise multi-disc processing plate, the size of gong band 304 (girth) is than the large 50mm of the size of pcb board 302.
Concrete, referring to Tu3，Jiang wood fibre board 306, be placed on Digit Control Machine Tool processing platform 308, the table top of processing platform 308 keeps level, the bottom of a plurality of main shafts of Digit Control Machine Tool remains on a horizontal line, and the length unification of the milling cutter that each main shaft is corresponding is 21.0 ± 0.03mm.
The pcb board deep gouge processing method that the present embodiment provides, not only can improve deep gouge working (machining) efficiency, and can, when processing 1.0mm thickness pcb board deep gouge, make in be controlled at ± 0.15mm of the deep gouge margin of tolerance, the height that meets customization is strict with, and reduces the scrappage that adds man-hour.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (7)
1. a pcb board deep gouge processing method, is characterized in that, described method comprises:
In wood fibre board, make a gong band, the size of described gong band is greater than pcb board, and the bottom of described gong band remains on same level;
Described pcb board is placed in to described gong band;
Described wood fibre board is placed on Digit Control Machine Tool processing platform, controls the bottom of a plurality of main shafts of described Digit Control Machine Tool in same level, and control the corresponding milling cutter length of each main shaft in preset range;
Control described a plurality of main shaft simultaneously, utilize the milling cutter that described a plurality of main shaft is corresponding to process deep gouge on described pcb board.
2. method according to claim 1, is characterized in that, before described step of making a gong band in wood fibre board, described method also comprises:
On described pcb board, carry out machine drilling.
3. method according to claim 1 and 2, is characterized in that, described wood fibre plate thickness is 2.5mm.
4. method according to claim 3, is characterized in that, the described gong band of making in wood fibre board, comprising:
Utilize the first milling cutter gong in described wood fibre board to go out the gong band that a degree of depth is 1.0mm.
5. method according to claim 4, is characterized in that, the size of described gong band is than the large 50mm of the size of described pcb board.
6. method according to claim 5, is characterized in that, the diameter of described the first milling cutter is 2.0mm or 2.4mm.
7. method according to claim 6, is characterized in that, the corresponding milling cutter length of each main shaft of described control is in preset range, and being specially and controlling the multipair milling cutter length of answering of each main shaft is 21.0 ± 0.03mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572305.5A CN103561543A (en) | 2013-11-13 | 2013-11-13 | PCB countersunk groove processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572305.5A CN103561543A (en) | 2013-11-13 | 2013-11-13 | PCB countersunk groove processing method |
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| CN103561543A true CN103561543A (en) | 2014-02-05 |
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| CN201310572305.5A Pending CN103561543A (en) | 2013-11-13 | 2013-11-13 | PCB countersunk groove processing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104723400A (en) * | 2015-04-14 | 2015-06-24 | 大族激光科技产业集团股份有限公司 | Method for drilling plastic plates |
| CN104797085A (en) * | 2015-04-23 | 2015-07-22 | 广州杰赛科技股份有限公司 | Method for forming blind groove in buried copper block of circuit board |
| CN108381119A (en) * | 2018-01-29 | 2018-08-10 | 奥士康精密电路（惠州）有限公司 | A kind of PCB buries copper coin copper billet blind slot control depth method |
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| CN1565785A (en) * | 2003-06-30 | 2005-01-19 | 健鼎科技股份有限公司 | Bevel edge processing method for multi plate printed circuit board after printing and fluting, and its milling cutter |
| CN201940675U (en) * | 2011-01-27 | 2011-08-24 | 广州杰赛科技股份有限公司 | Precisely controlled depth processing device for ordinary milling machine |
| US20110230997A1 (en) * | 2010-03-22 | 2011-09-22 | Hong Heng Sheng Electronical Technology (HuaiAn) Co.,LTd | System and method for cutting substrate into workpieces |
| CN102689236A (en) * | 2012-06-01 | 2012-09-26 | 李国庆 | Numerical control machine with a plurality of main shafts |
| CN203092135U (en) * | 2013-01-31 | 2013-07-31 | 珠海市康信精密机械有限公司 | Multi-spindle machine tool |
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2013
- 2013-11-13 CN CN201310572305.5A patent/CN103561543A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1565785A (en) * | 2003-06-30 | 2005-01-19 | 健鼎科技股份有限公司 | Bevel edge processing method for multi plate printed circuit board after printing and fluting, and its milling cutter |
| US20110230997A1 (en) * | 2010-03-22 | 2011-09-22 | Hong Heng Sheng Electronical Technology (HuaiAn) Co.,LTd | System and method for cutting substrate into workpieces |
| CN201940675U (en) * | 2011-01-27 | 2011-08-24 | 广州杰赛科技股份有限公司 | Precisely controlled depth processing device for ordinary milling machine |
| CN102689236A (en) * | 2012-06-01 | 2012-09-26 | 李国庆 | Numerical control machine with a plurality of main shafts |
| CN203092135U (en) * | 2013-01-31 | 2013-07-31 | 珠海市康信精密机械有限公司 | Multi-spindle machine tool |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104723400A (en) * | 2015-04-14 | 2015-06-24 | 大族激光科技产业集团股份有限公司 | Method for drilling plastic plates |
| CN104797085A (en) * | 2015-04-23 | 2015-07-22 | 广州杰赛科技股份有限公司 | Method for forming blind groove in buried copper block of circuit board |
| CN108381119A (en) * | 2018-01-29 | 2018-08-10 | 奥士康精密电路（惠州）有限公司 | A kind of PCB buries copper coin copper billet blind slot control depth method |
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Application publication date: 20140205 |