CN103170995A - Manufacture method of short slotted hole for printed circuit board - Google Patents
Manufacture method of short slotted hole for printed circuit board Download PDFInfo
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- CN103170995A CN103170995A CN2013101363652A CN201310136365A CN103170995A CN 103170995 A CN103170995 A CN 103170995A CN 2013101363652 A CN2013101363652 A CN 2013101363652A CN 201310136365 A CN201310136365 A CN 201310136365A CN 103170995 A CN103170995 A CN 103170995A
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Abstract
The invention discloses a manufacture method of a short slotted hole for a printed circuit board, aiming at solving the problems of size deviation and deformation when the short slotted hole is machined. The manufacture method comprises the following steps of: S1, carrying out sequential cutter arrangement on a slotted hole which needs to be manufactured by setting the length and the width of a slot in combination with a preset standard according to the shape of the slotted hole, and selecting a proper cutter according to the size of the slotted hole; S2, respectively setting subsidiary slots arranged at two sides of a pre-drilling slot for the designed slot width in a milling way, and setting an adding and amplifying size X on the basis of the normal compensation of a finished product along the length direction of the slot; S3, setting a compensation distinguishment of pre-drilled subsidiary holes arranged at two ends of the slotted hole, wherein a pre-drilling mouth selects a milling cutter of which the ratio groove width is less than or equal to 2X, and reserving the adding and amplifying size X at pre-drilling holes arranged at two ends of the slot from the edge of the slot; S4, carrying out compensating finishing on the whole slotted hole by the milling cutter of which the ratio groove width is less than or equal to 2X; and S5, thickly drilling by the milling cutter from one pre-drilling hole to another pre-drilling hole at a fixed displacement, so that the deformation quantity of the short slotted hole can be reduced.
Description
Technical field
The present invention relates to printed circuit board (PCB) (PCB) field, relate in particular to the preparation method of the short slotted eye of a kind of printed circuit board (PCB).
Background technology
Various slotted eyes are processed into according to the data needs correspondence that the client provides in the surface of same printed circuit board (PCB), and slotted eye length is less than or equal to the slotted eye width of twice, is commonly called as short slotted eye.Along with modern electronic product day by day to miniaturization, high integrated, high performance trend development, the aperture of boring is more and more less, borehole accuracy is more and more higher, ultrashort slotted eye and long slot bore are also more and more, the client is also more and more higher to the processing quality requirement of slotted eye, and its quality directly has influence on installation and the use of client's product.
In the manufacturing process of existing short slotted eye, due to the High Rotation Speed that brill is chewed, bore to chew in intensive going down process simultaneously and have the room, cause short slotted eye boring white space discontinuity, slotted eye distortion, size occur and depart from etc. bad.The short slotted eye processing mode of main flow is by the adjustment of slotted eye machined parameters, groove cutter diameter and the mode of adding prebored hole are produced in the industry, even if but like this, the processing quality of short slotted eye also is difficult to be guaranteed, and easily produces short slotted eye size and departs from short slotted eye distortion etc. bad.
In recent years the high speed development of domestic PC B industry, make industry competition more and more fierce, reduce costs, enhancing productivity has become the matter of great urgency for a long time, or plate that required precision high little for the aperture, PCB manufacturer can adjust on price and make up, have short slotted eye to add man-hour yet encounter in machine drilling, not only have a strong impact on production efficiency and product quality, and production cost also improves half thereupon, be to suffer untold misery, the difficult problem that the distortion of short slotted eye has become PCB manufacturer to face.
Summary of the invention
The technical problem that the present invention mainly solves is easily to produce size in short slotted eye manufacturing process to depart from and problem on deformation.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses the preparation method of the short slotted eye of a kind of printed circuit board (PCB), comprise the steps:
Step S1, cutter sequence and selection: according to the shape of slotted eye, come length and the width of setting slot in conjunction with preset standard, the slotted eye that need are made is arranged cutter in order, and select suitable cutter according to the size of slotted eye;
Step S2, preboring compensation cutter is selected: after correct to the cutter sequence, minute hole that the groove width of design is set respectively the pre-drill flute of institute both sides is carried out the gong cutter and is made, and the length direction of groove places certain size X on the basis that finished product normally compensates;
Step S3, make preboring minute hole: set slotted eye two ends preboring and divide the compensation in hole to distinguish, preboring is chewed the gong cutter of choosing than groove width≤2X, and the prebored hole at groove two ends is reserved size X apart from trough rim;
Step S4 selects the trim slots cutter: after carrying out two ends preboring minute hole, choose diameter and than the groove cutter of groove width≤2X, whole slotted eye is compensated finishing;
Step S5, the slotted eye limit that finishing is reserved: the cutter to the finishing groove width adopts directed close brill technology, after the anglec of rotation of slotted eye is carried out Contrary compensation, make the groove cutter carry out close brill by a prebored hole to another one prebored hole side with fixing displacement, reduce the deformation quantity of short slotted eye, and will cut the break flour that produces in process and discharge.
In a preferred embodiment of the present invention, the described size X that places is 0.025mm.
In a preferred embodiment of the present invention, in step S3, the length direction of groove is X/2 monolateral putting in advance on the basis of the normal compensation of finished product.
In a preferred embodiment of the present invention, in step S3, gong cutter diameter is 0.50,0.60,0.70,0.80mm or greater than 0.80mm.
Compared to prior art, the preparation method of the short slotted eye of described printed circuit board (PCB) of the present invention can solve the size of short slotted eye in process and depart from and problem on deformation.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, during the below will describe embodiment, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the schematic flow sheet of the preparation method of the short slotted eye of printed circuit board (PCB) of the present invention;
Fig. 2 mends the schematic diagram in preboring minute hole according to short slot length requirement in preparation method of the present invention;
Fig. 3 such as uses to carry out the schematic diagram of trim process at the large groove cutter after minute hole preboring in preparation method of the present invention.
The specific embodiment
The below will be clearly and completely described the technical scheme in the embodiment of the present invention, and obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtain under the creative work prerequisite.
The invention discloses the preparation method of the short slotted eye of a kind of printed circuit board (PCB), see also Fig. 1 to Fig. 3, described preparation method comprises the steps, wherein following described slotted eye is short slotted eye:
Step S1, cutter sequence and selection: according to the shape of slotted eye, come length and the width of setting slot in conjunction with preset standard, the slotted eye that need are made is arranged cutter in order, and select suitable cutter according to the size of slotted eye;
Step S2, preboring compensation cutter is selected: after correct to the cutter sequence, minute hole that the groove width of design is set respectively the pre-drill flute of institute both sides is carried out the gong cutter and is made, and the length direction of groove places certain size X on the basis that finished product normally compensates, for example place 0.025mm, at its monolateral 0.0125mm of putting in advance;
Step S3, make preboring minute hole: set slotted eye two ends preboring and divide the compensation in hole to distinguish, preboring is chewed the gong cutter of choosing than groove width≤2X, the prebored hole at groove two ends is reserved size X apart from trough rim, namely with the described reservation of step S2, wherein, optional gong cutter diameter 0.50,0.60,0.70,0.80mm or larger;
Step S4 selects the trim slots cutter: after carrying out two ends preboring minute hole, choose diameter and than the groove cutter of groove width≤2X, whole slotted eye is compensated finishing;
Step S5, the slotted eye limit that finishing is reserved: the cutter to the finishing groove width adopts directed close brill technology, after the anglec of rotation of slotted eye is carried out Contrary compensation, make the groove cutter carry out close brill by a prebored hole to another one prebored hole side with fixing displacement, reduce the deformation quantity of short slotted eye, cutting the break flour that produces in process can effectively discharge, and makes whole slotted eye not yielding, without the size off-set phenomenon.
Compared to prior art, the preparation method of the short slotted eye of described printed circuit board (PCB) of the present invention has following advantage:
1, adopt short slotted eye locate and decide the angle compensation technology: according to the shape of short slotted eye, when making short slotted eye procedure, the data that draw according to test, the brill of pilot hole is chewed rotation opposite direction, the compensation of dihedral degree, can effectively solve slotted eye in process, the short slotted eye size that causes due to unbalance stress departs from and problem on deformation;
2, adopt the directed close brill technology of short slotted eye: after the anglec of rotation of slotted eye is carried out Contrary compensation, in two prebored holes of short groove two ends design, then make to bore to chew by a prebored hole with fixing displacement and carry out close brill to another one prebored hole side, reduce the deformation quantity of short slotted eye;
3, adopt to bore and to chew cutter footpath, direction precompensation technology: adopts short groove direction precompensation technology that the length direction of short groove is added on the basis of the normal compensation of finished product and mend processing, choose gong cutter production than groove width≤0.05mm with the prebored hole at time slot two ends, the prebored hole at groove two ends is reserved 0.025mm apart from trough rim.
In sum, the preparation method of the short slotted eye of described printed circuit board (PCB) of the present invention can solve the size of short slotted eye in process and departs from and problem on deformation.
The above is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in scope of patent protection of the present invention.
Claims (4)
1. the preparation method of the short slotted eye of printed circuit board (PCB), is characterized in that, comprises the steps:
Step S1, cutter sequence and selection: according to the shape of slotted eye, come length and the width of setting slot in conjunction with preset standard, the slotted eye that need are made is arranged cutter in order, and select suitable cutter according to the size of slotted eye;
Step S2, preboring compensation cutter is selected: after correct to the cutter sequence, minute hole that the groove width of design is set respectively the pre-drill flute of institute both sides is carried out the gong cutter and is made, and the length direction of groove places certain size X on the basis that finished product normally compensates;
Step S3, make preboring minute hole: set slotted eye two ends preboring and divide the compensation in hole to distinguish, preboring is chewed the gong cutter of choosing than groove width≤2X, and the prebored hole at groove two ends is reserved size X apart from trough rim;
Step S4 selects the trim slots cutter: after carrying out two ends preboring minute hole, choose diameter and than the groove cutter of groove width≤2X, whole slotted eye is compensated finishing;
Step S5, the slotted eye limit that finishing is reserved: the cutter to the finishing groove width adopts directed close brill technology, after the anglec of rotation of slotted eye is carried out Contrary compensation, make the groove cutter carry out close brill by a prebored hole to another one prebored hole side with fixing displacement, reduce the deformation quantity of short slotted eye, and will cut the break flour that produces in process and discharge.
2. method according to claim 1, is characterized in that, the described size X that places is 0.025mm.
3. method according to claim 1, is characterized in that, in step S3, the length direction of groove is X/2 monolateral putting in advance on the basis of the normal compensation of finished product.
4. method according to claim 1, is characterized in that, in step S3, gong cutter diameter is 0.50,0.60,0.70,0.80mm or greater than 0.80mm.
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| CN201310136365.2A CN103170995B (en) | 2013-04-18 | 2013-04-18 | Manufacture method of short slotted hole for printed circuit board |
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| CN201310136365.2A CN103170995B (en) | 2013-04-18 | 2013-04-18 | Manufacture method of short slotted hole for printed circuit board |
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| CN103170995B CN103170995B (en) | 2015-02-04 |
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Cited By (18)
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| CN103786189A (en) * | 2014-01-21 | 2014-05-14 | 广州兴森快捷电路科技有限公司 | Drilling method for achieving PCB high hole-site precision |
| CN103862515A (en) * | 2014-03-07 | 2014-06-18 | 九江华祥科技股份有限公司 | Method for preparing short slotted hole in printed circuit board |
| CN104254208A (en) * | 2014-07-31 | 2014-12-31 | 胜宏科技（惠州）股份有限公司 | Manufacturing method of short slot hole of circuit board |
| CN104354084A (en) * | 2014-11-07 | 2015-02-18 | 梅州市志浩电子科技有限公司 | De-burring method for high-frequency printed circuit board |
| CN104476616A (en) * | 2014-11-07 | 2015-04-01 | 梅州市志浩电子科技有限公司 | Manufacturing method of slot of printed-circuit board |
| CN105128087A (en) * | 2015-08-26 | 2015-12-09 | 江苏苏杭电子有限公司 | Method for processing short slotted hole in printed circuit board |
| CN105290478A (en) * | 2015-10-19 | 2016-02-03 | 深圳崇达多层线路板有限公司 | Manufacturing method for circuit board milling groove |
| CN105491797A (en) * | 2015-11-24 | 2016-04-13 | 梅州市志浩电子科技有限公司 | Processing method for short slot hole of printed circuit board |
| CN105665834A (en) * | 2016-03-28 | 2016-06-15 | 江苏博敏电子有限公司 | Improved PCB slot machining mode |
| CN106270602A (en) * | 2015-06-05 | 2017-01-04 | 大连崇达电路有限公司 | Printed circuit board flute length is less than the processing method of 1. 5 times of ultrashort slotted eyes of groove width |
| CN106270606A (en) * | 2016-08-31 | 2017-01-04 | 新野鼎泰电子精工科技有限公司 | A kind of PCB short slotted eye boring method |
| CN106424802A (en) * | 2016-11-09 | 2017-02-22 | 珠海杰赛科技有限公司 | Processing method for improving drilling hole position accuracy of PCB |
| CN106604568A (en) * | 2016-12-26 | 2017-04-26 | 惠州市金百泽电路科技有限公司 | Processing method of high-precision printed connector PCB |
| CN107072049A (en) * | 2017-03-28 | 2017-08-18 | 江门市高智电子科技有限公司 | Gong groove technique for BT plates |
| CN107414152A (en) * | 2017-09-05 | 2017-12-01 | 梅州市志浩电子科技有限公司 | A kind of processing method of the strip gong groove of PCB |
| CN108513439A (en) * | 2017-11-27 | 2018-09-07 | 惠州市特创电子科技有限公司 | The processing method of wiring board and slot |
| CN114211564A (en) * | 2021-11-09 | 2022-03-22 | 江门市奔力达电路有限公司 | Machining method of square slotted hole and drilling machine |
| CN116586652A (en) * | 2023-07-04 | 2023-08-15 | 淄博芯材集成电路有限责任公司 | Reaming manufacturing method for preventing short slot hole of packaging loading plate from being deviated |
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Cited By (24)
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| WO2015109908A1 (en) * | 2014-01-21 | 2015-07-30 | 广州兴森快捷电路科技有限公司 | Drilling method for pcbs with high hole position precision |
| CN103786189A (en) * | 2014-01-21 | 2014-05-14 | 广州兴森快捷电路科技有限公司 | Drilling method for achieving PCB high hole-site precision |
| US10064284B2 (en) | 2014-01-21 | 2018-08-28 | Yixing Silicon Valley Electronics Technology Co., Ltd. | Drilling method for PCBs with high hole position precision |
| CN103862515A (en) * | 2014-03-07 | 2014-06-18 | 九江华祥科技股份有限公司 | Method for preparing short slotted hole in printed circuit board |
| CN104254208A (en) * | 2014-07-31 | 2014-12-31 | 胜宏科技（惠州）股份有限公司 | Manufacturing method of short slot hole of circuit board |
| CN104254208B (en) * | 2014-07-31 | 2017-12-08 | 胜宏科技（惠州）股份有限公司 | A kind of short slotted eye preparation method of wiring board |
| CN104476616B (en) * | 2014-11-07 | 2016-08-24 | 梅州市志浩电子科技有限公司 | Printed circuit board short slotted eye preparation method |
| CN104354084A (en) * | 2014-11-07 | 2015-02-18 | 梅州市志浩电子科技有限公司 | De-burring method for high-frequency printed circuit board |
| CN104476616A (en) * | 2014-11-07 | 2015-04-01 | 梅州市志浩电子科技有限公司 | Manufacturing method of slot of printed-circuit board |
| CN106270602A (en) * | 2015-06-05 | 2017-01-04 | 大连崇达电路有限公司 | Printed circuit board flute length is less than the processing method of 1. 5 times of ultrashort slotted eyes of groove width |
| CN105128087A (en) * | 2015-08-26 | 2015-12-09 | 江苏苏杭电子有限公司 | Method for processing short slotted hole in printed circuit board |
| CN105290478A (en) * | 2015-10-19 | 2016-02-03 | 深圳崇达多层线路板有限公司 | Manufacturing method for circuit board milling groove |
| CN105491797A (en) * | 2015-11-24 | 2016-04-13 | 梅州市志浩电子科技有限公司 | Processing method for short slot hole of printed circuit board |
| CN105665834A (en) * | 2016-03-28 | 2016-06-15 | 江苏博敏电子有限公司 | Improved PCB slot machining mode |
| CN106270606B (en) * | 2016-08-31 | 2019-03-08 | 新野鼎泰电子精工科技有限公司 | A kind of short slot boring method of PCB |
| CN106270606A (en) * | 2016-08-31 | 2017-01-04 | 新野鼎泰电子精工科技有限公司 | A kind of PCB short slotted eye boring method |
| CN106424802A (en) * | 2016-11-09 | 2017-02-22 | 珠海杰赛科技有限公司 | Processing method for improving drilling hole position accuracy of PCB |
| CN106604568A (en) * | 2016-12-26 | 2017-04-26 | 惠州市金百泽电路科技有限公司 | Processing method of high-precision printed connector PCB |
| CN107072049A (en) * | 2017-03-28 | 2017-08-18 | 江门市高智电子科技有限公司 | Gong groove technique for BT plates |
| CN107414152A (en) * | 2017-09-05 | 2017-12-01 | 梅州市志浩电子科技有限公司 | A kind of processing method of the strip gong groove of PCB |
| CN108513439A (en) * | 2017-11-27 | 2018-09-07 | 惠州市特创电子科技有限公司 | The processing method of wiring board and slot |
| CN114211564A (en) * | 2021-11-09 | 2022-03-22 | 江门市奔力达电路有限公司 | Machining method of square slotted hole and drilling machine |
| CN116586652A (en) * | 2023-07-04 | 2023-08-15 | 淄博芯材集成电路有限责任公司 | Reaming manufacturing method for preventing short slot hole of packaging loading plate from being deviated |
| CN116586652B (en) * | 2023-07-04 | 2024-05-07 | 淄博芯材集成电路有限责任公司 | Reaming manufacturing method for preventing short slot hole of packaging loading plate from being deviated |
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Application publication date: 20130626 Assignee: Meizhou five circuit board Co., Ltd. Assignor: Meizhou Zhihao Electronic-Tech Co., Ltd. Contract record no.: 2015440000797 Denomination of invention: Manufacture method of short slotted hole for printed circuit board Granted publication date: 20150204 License type: Exclusive License Record date: 20151123 |
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Effective date of registration: 20160206 Address after: 514000, Wuzhou Industrial Park, triangle town, Meijiang District, Guangdong, Meizhou Patentee after: Meizhou five circuit board Co., Ltd. Address before: 514071 A block AD1, Meizhou Economic Development Zone, Guangdong, China Patentee before: Meizhou Zhihao Electronic-Tech Co., Ltd. |