CN102510667A - CNC (Computer Numerical Control) board splitting production method without NPTH (Non Plating Through Hole) hole positioning - Google Patents

CNC (Computer Numerical Control) board splitting production method without NPTH (Non Plating Through Hole) hole positioning Download PDF

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Publication number
CN102510667A
CN102510667A CN2011103373217A CN201110337321A CN102510667A CN 102510667 A CN102510667 A CN 102510667A CN 2011103373217 A CN2011103373217 A CN 2011103373217A CN 201110337321 A CN201110337321 A CN 201110337321A CN 102510667 A CN102510667 A CN 102510667A
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pcs
hole
plate
npth
gong
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CN2011103373217A
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CN102510667B (en
Inventor
卫雄
游俊
陆玉婷
罗文武
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Shenzhen Kinwong Electronic Co Ltd
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Shenzhen Kinwong Electronic Co Ltd
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Abstract

The invention discloses a CNC (Computer Numerical Control) board splitting production method without NPTH (Non Plating Through Hole) hole positioning, which is used in single PCS (pieces) shipment production in the manufacturing process of printed circuit boards, and because secondary forming is adopted, when CNC board splitting is carried out on a single PCS board, at least four groove angles of NPTH grooves distributed on the single PCS board are selected as forming positioning holes for board splitting, and remained reserved connecting positions of appointed areas are split. At least four NPTH groove angles in the PCS board are selected for positioning, PIN holes are arranged in the position tangential to the groove angles, and the PIN holes need to be distributed at four edges of the PCS board to the greatest extent so as to ensure that the PCS board does not move in four directions. The diameter of a selected pin is 0.05mm smaller than the diameter of a PIN hole drilling tool. Compared with a PTH (Plated Through Hole) hole positioning mode, the method disclosed by the invention makes a finished product do not have the problems of hole wall pull break, pad abrasion, poor solderability, hole copper fracture and the like. Compared with a gummed paper sticking positioning mode, the method disclosed by the invention makes the finished product have a more stable size and have no off tolerance, and the board splitting efficiency is effectively improved.

Description

A kind of CNC gong plate producing process that does not have location, NPTH hole
Technical field
The present invention relates to CNC gong plate technique field, be used for the CNC gong plate method of location, the no NPTH of single PCS shipment hole in particular a kind of printed wiring board manufacturing process.
Background technology
CNC is called computer gong or Digit Control Machine Tool again, is the abbreviation of computer numerical control (CNC) lathe (Computer numerical control), is a kind of by programme controlled automated machine tool.This control system can logically be handled has control coding or other symbolic instruction regulated procedures, through computer it is deciphered, thereby the action that lathe has been put rules into practice is processed into the semi-finished product fabricated part through Tool in Cutting with the blank material
Printed circuit board (PCB) (pcb board) is on the insulation board of certain size, is processed into the figure of some conductions, and cloth porose (like element jointing holes, fastener hole, plated-through hole etc.), is the chassis with it, can realize components and parts interconnective wiring plate before.
Have on the pcb board PTH hole, NPTH hole with etc., it is respectively:
The PTH hole, Platting Through Hole refers to electroplating hole (also claiming the components and parts insert hole);
The NPTH hole, Non-Platting Through Hole refers to the electroless coating hole, hole wall does not have copper, generally is location hole and gong silk hole.
((PCS is one of pieces to sheet to the single PCS of PCB, piece, part in the present wiring board industry; Sheet, a piece of writing is opened; Bar, cover)) shipment, when CNC gong plate does not have location hole location, NPTH hole, the selection of location hole; Following 3 kinds of situation are arranged: the one, under client's enabled condition, can add 3 NPTH holes triangular in shape.The 2nd, when no position can add or client when disagreeing with interpolation, just must select the PTH hole, as location hole.Three are to use the mode gong plate of white glues paper location.
Generally employing mode of industry has at present:
1, use PTH hole locate mode to carry out CNC gong plate
This mode can have CNC orientation problem when solving single PCS shipment, but when upper and lower plates, can cause pulling hole wall, wipes problem such as flower pad, especially sprays tin and turmeric plate.And these problems account for about 50% of visual examination defective, even the client reduces the standard of accepting of this position, still have partially spent, and can have the problem that solderability is bad and hole copper ruptures in client.
2, adopt rubberizing paper locate mode to carry out CNC gong plate
The method is that use white glues paper is fixed in gong board face with plate.Select words with white glues paper location; Only with the folded inefficiency of a slice one, and do not cause loosening or cull because of being adjacent to easily, it is qualified to be prone to two area of beds one side; The situation that another side is overproof; Make with this mode, the finished size instability is prone to overproof and make efficiency is low, and the plate face is prone to have problems such as cull.
Therefore, prior art awaits to improve and development.
Summary of the invention
The technical problem that the present invention will solve is; To the above-mentioned defective of prior art, the CNC gong plate producing process of location, a kind of NPTH of nothing hole is provided, it is simple to operate; Realize easily; Make that finished product can not produce that colored pad is pulled, wiped to hole wall, solderability is bad and problem such as hole copper fracture, make that finished size is more stable not to be had overproofly, and effectively promote the gong plate efficiency.
The technical scheme that technical solution problem of the present invention is adopted is following:
A kind of CNC gong plate producing process that does not have NPTH hole location is used for wherein, comprising step in the production of single PCS shipment of printed wiring board manufacturing process:
In A, the printed wiring board manufacturing process during moulding for the first time; A plurality of single PCS plates are set on whole working plate; Select for use and on the spacing position between adjacent two PCS, directly add the location, hole; And gong goes out the part profile behind the connection position of reserve specifying area on each PCS, so that the direct gong of whole working plate is become predetermined whole figure, and whole working plate is cut into a plurality of single PCS plates;
When B, the second time, shaping was carried out CNC gong plate to single PCS plate, select for use at least 4 groove angles that are distributed in the NPTH groove on single PCS plate to carry out the gong plate as the moulding location hole, gong falls the connection position of the appointment area of remaining said reservation.
The CNC gong plate method of manufacture order PCS in the described printed wiring board manufacturing process, wherein, said step B specifically comprises:
B1, when single PCS plate is carried out CNC gong plate, 4 NPTH groove angles that are chosen at least on single PCS plate position as the PIN hole, and the PIN hole are chosen in tangent and be distributed in four limits of PCS plate with the NPTH groove angle.
The CNC gong plate method of manufacture order PCS in the described printed wiring board manufacturing process, wherein, said step B1 also comprises: select for use the pin than the little 0.05mm in PIN hole drill cutter cutter footpath that said PIN hole is positioned, to locate said single PCS plate, carry out CNC gong plate.
The CNC gong plate producing process of location, no NPTH provided by the present invention hole; Because having adopted is shaped for the second time when single PCS plate carried out CNC gong plate; Select for use at least 4 groove angles that are distributed in the NPTH groove on single PCS plate to carry out the gong plate as the moulding location hole, gong falls the connection position of the remaining appointment area of being reserved.And select 4 NPTH groove angles location in the PCS at least, the PIN hole is placed on the position tangent with groove angle, and the PIN hole will be distributed in four limits of PCS plate as far as possible, and is mobile to guarantee that PCS does not have on four direction.Select for use pin than the little 0.05mm in PIN hole drill cutter cutter footpath.Have following advantage:
1. relative PTH hole locate mode makes that colored pad is pulled, wiped to the finished product imperforate wall, solderability is bad and problem such as hole copper fracture.
2. relative rubberizing paper locate mode makes that finished size is more stable not to be had overproofly, and effectively promotes the gong plate efficiency.
Description of drawings
Fig. 1 is the CNC gong plate producing process flow chart of the location, no NPTH hole of the embodiment of the invention.
Fig. 2 is first kind of location structure sketch map of CNC gong plate producing process of the location, no NPTH hole of the embodiment of the invention.
Fig. 3 is second kind of location structure sketch map of CNC gong plate producing process of the location, no NPTH hole of the embodiment of the invention.
Embodiment
A kind of CNC gong plate producing process that does not have NPTH hole location of the present invention, clearer, clear and definite for making the object of the invention, technical scheme and advantage, below develop simultaneously embodiment to further explain of the present invention with reference to accompanying drawing.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Wherein, the gong plate is exactly the jigsaw figure that goes out regulation with the gong machine in the circuit board according to the program of finishing in advance through the milling cutter gong.Advantage: can according to program onboard gong go out different shape jigsaw figure, can several the overlapping processing simultaneously of plate, gong sheet metal forming dimensional accuracy is high, the gong board interface is smooth.
As shown in Figure 1, the CNC gong plate producing process of location, a kind of NPTH of nothing hole that the embodiment of the invention provides is used for mainly may further comprise the steps in the production of single PCS shipment of printed wiring board manufacturing process:
In step S100, the printed wiring board manufacturing process during moulding for the first time; On whole working plate (being initial big plate), a plurality of single PCS plates are set; Select for use and on the spacing position between adjacent two PCS, directly add the location, hole; And gong goes out the part profile behind the connection position of reserve specifying area on each PCS, so that the direct gong of whole working plate is become predetermined whole figure, and whole working plate is cut into a plurality of single PCS plates.
When step S200, the second time, shaping was carried out CNC gong plate to single PCS plate, select for use at least 4 groove angles that are distributed in the NPTH groove on single PCS plate to carry out the gong plate as the moulding location hole, gong falls the connection position of the appointment area of remaining said reservation.
Particularly; As shown in Figure 2, when single PCS plate 300 was carried out CNC gong plate, 4 NPTH groove angles 301 that are chosen at least on single PCS plate 300 positioned as PIN hole 302; And PIN hole 302 is chosen in NPTH groove angle 301 tangent, and be distributed in the position on four limits of PCS plate 300 as far as possible.Fig. 2 is first kind of locate mode of CNC gong plate producing process of the no NPTH hole location of first kind of embodiment of the present invention, and among Fig. 2, four limits that PIN hole 302 is chosen in single PCS plate 300 are near on the tangent position of four NPTH groove angles of outside 301.
Fig. 3 is second kind of locate mode of CNC gong plate producing process of the no NPTH hole location of second kind of embodiment of the present invention, on the tangent position of four close NPTH groove angles through PIN hole 302 being chosen in single PCS plate 300 301.
The PIN hole 302 that the choice of location on four limits through being distributed in PCS plate 300 is used to locate; Can effectively single PCS plate be fixed; Like this; Make that finished product can not produce that colored pad is pulled, wiped to hole wall, solderability is bad and problem such as hole copper fracture, make that finished size is more stable not to be had overproofly, and effectively promote the gong plate efficiency.And it is simple to operate, realizes easily
Specifically when the location, can select for use pin that said PIN hole 302 is positioned,, carry out CNC gong plate to locate said single PCS plate 300 than the PIN hole 302 brill cutter cutter little 0.05mm in footpath.
In sum; The CNC gong plate producing process of location, no NPTH provided by the present invention hole; Because having adopted is shaped for the second time when single PCS plate carried out CNC gong plate; Select for use at least 4 groove angles that are distributed in the NPTH groove on single PCS plate to carry out the gong plate as the moulding location hole, gong falls the connection position of the remaining appointment area of being reserved.And select 4 NPTH groove angles location in the PCS at least, the PIN hole is placed on the position tangent with groove angle, and the PIN hole will be distributed in four limits of PCS plate as far as possible, and is mobile to guarantee that PCS does not have on four direction.Select for use pin than the little 0.05mm in PIN hole drill cutter cutter footpath.Have following advantage:
1. relative PTH hole locate mode makes that colored pad is pulled, wiped to the finished product imperforate wall, solderability is bad and problem such as hole copper fracture.
2. relative rubberizing paper locate mode makes that finished size is more stable not to be had overproofly, and effectively promotes the gong plate efficiency.
Should be understood that application of the present invention is not limited to above-mentioned giving an example, concerning those of ordinary skills, can improve or conversion that all these improvement and conversion all should belong to the protection range of accompanying claims of the present invention according to above-mentioned explanation.

Claims (3)

1. CNC gong plate producing process that does not have NPTH hole location is used for it is characterized in that in the production of single PCS shipment of printed wiring board manufacturing process, comprises step:
In A, the printed wiring board manufacturing process during moulding for the first time; A plurality of single PCS plates are set on whole working plate; Select for use and on the spacing position between adjacent two PCS, directly add the location, hole; And gong goes out the part profile behind the connection position of reserve specifying area on each PCS, so that the direct gong of whole working plate is become predetermined whole figure, and whole working plate is cut into a plurality of single PCS plates;
When B, the second time, shaping was carried out CNC gong plate to single PCS plate, select for use at least 4 groove angles that are distributed in the NPTH groove on single PCS plate to carry out the gong plate as the moulding location hole, gong falls the connection position of the appointment area of remaining said reservation.
2. the CNC gong plate method of manufacture order PCS in the printed wiring board manufacturing process according to claim 1 is characterized in that said step B specifically comprises:
B1, when single PCS plate is carried out CNC gong plate, 4 NPTH groove angles that are chosen at least on single PCS plate position as the PIN hole, and the PIN hole are chosen in tangent and be distributed in four limits of PCS plate with the NPTH groove angle.
3. the CNC gong plate method of manufacture order PCS in the printed wiring board manufacturing process according to claim 1; It is characterized in that; Said step B1 also comprises: select for use the pin than the little 0.05mm in PIN hole drill cutter cutter footpath that said PIN hole is positioned, to locate said single PCS plate, carry out CNC gong plate.
CN201110337321.7A 2011-10-31 2011-10-31 CNC (Computer Numerical Control) board splitting production method without NPTH (Non Plating Through Hole) hole positioning Active CN102510667B (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103002661A (en) * 2012-09-19 2013-03-27 胜宏科技(惠州)股份有限公司 Post production process of thin panels
CN103607850A (en) * 2013-11-28 2014-02-26 深圳市景旺电子股份有限公司 Method for machining inner bevel edge of PCB
CN104168713A (en) * 2013-05-20 2014-11-26 北大方正集团有限公司 Printed circuit board routing method
CN104625584A (en) * 2013-11-11 2015-05-20 江苏苏杭电子有限公司 Printed circuit board appearance machining method
CN104703396A (en) * 2015-03-02 2015-06-10 西安金百泽电路科技有限公司 Small circuit board forming method without inner orientation
CN106034380A (en) * 2015-12-22 2016-10-19 奥士康精密电路(惠州)有限公司 Manufacturing method of printed circuit board
CN106529106A (en) * 2017-01-09 2017-03-22 郑州云海信息技术有限公司 Hole building method and device as well as PCB
CN106825763A (en) * 2017-01-11 2017-06-13 雪龙数控设备(深圳)有限公司 Without wiring board cutting processing technology, numerical control gong machine that pin on the table is followed closely
CN106900139A (en) * 2017-04-20 2017-06-27 胜宏科技(惠州)股份有限公司 It is a kind of high-accuracy without technique edges LED circuit board moulding process
CN109587954A (en) * 2018-12-12 2019-04-05 东莞市若美电子科技有限公司 No interior positioning milling plate production technology
CN110861144A (en) * 2019-10-21 2020-03-06 雪龙数控设备(深圳)有限公司 Routing and cutting processing method

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JPH0774490A (en) * 1993-09-02 1995-03-17 Fanuc Ltd Cnc printed board unit
US20090133920A1 (en) * 2007-11-23 2009-05-28 Samsung Electro-Mechanics Co., Ltd. Printed circuit board and manufacturing method of the same
CN201253769Y (en) * 2008-10-08 2009-06-10 惠州美锐电子科技有限公司 Locating nail for printed circuit board drilling
KR101003391B1 (en) * 2008-04-11 2010-12-23 삼성전기주식회사 Method of processing hole of printed circuit board
KR101009729B1 (en) * 2008-08-14 2011-01-19 주식회사 에스아이 플렉스 A multi layer fpcb for forming bvh by using pth and a method thereof

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JPH0774490A (en) * 1993-09-02 1995-03-17 Fanuc Ltd Cnc printed board unit
US20090133920A1 (en) * 2007-11-23 2009-05-28 Samsung Electro-Mechanics Co., Ltd. Printed circuit board and manufacturing method of the same
KR101003391B1 (en) * 2008-04-11 2010-12-23 삼성전기주식회사 Method of processing hole of printed circuit board
KR101009729B1 (en) * 2008-08-14 2011-01-19 주식회사 에스아이 플렉스 A multi layer fpcb for forming bvh by using pth and a method thereof
CN201253769Y (en) * 2008-10-08 2009-06-10 惠州美锐电子科技有限公司 Locating nail for printed circuit board drilling

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103002661A (en) * 2012-09-19 2013-03-27 胜宏科技(惠州)股份有限公司 Post production process of thin panels
CN103002661B (en) * 2012-09-19 2015-07-08 胜宏科技(惠州)股份有限公司 Post production process of thin panels
CN104168713B (en) * 2013-05-20 2017-02-08 北大方正集团有限公司 Printed circuit board routing method
CN104168713A (en) * 2013-05-20 2014-11-26 北大方正集团有限公司 Printed circuit board routing method
CN104625584A (en) * 2013-11-11 2015-05-20 江苏苏杭电子有限公司 Printed circuit board appearance machining method
CN103607850A (en) * 2013-11-28 2014-02-26 深圳市景旺电子股份有限公司 Method for machining inner bevel edge of PCB
CN104703396A (en) * 2015-03-02 2015-06-10 西安金百泽电路科技有限公司 Small circuit board forming method without inner orientation
CN104703396B (en) * 2015-03-02 2017-08-15 西安金百泽电路科技有限公司 Small size wiring board method for processing forming without interior positioning
CN106034380B (en) * 2015-12-22 2018-10-02 奥士康精密电路(惠州)有限公司 A kind of production method of printed wiring board
CN106034380A (en) * 2015-12-22 2016-10-19 奥士康精密电路(惠州)有限公司 Manufacturing method of printed circuit board
CN106529106B (en) * 2017-01-09 2019-09-06 郑州云海信息技术有限公司 One kind building hole method, apparatus and a kind of PCB
CN106529106A (en) * 2017-01-09 2017-03-22 郑州云海信息技术有限公司 Hole building method and device as well as PCB
CN106825763B (en) * 2017-01-11 2019-05-17 雪龙数控设备(深圳)有限公司 Without the wiring board cutting processing technology of the nail of pin on the table, numerical control gong machine
CN106825763A (en) * 2017-01-11 2017-06-13 雪龙数控设备(深圳)有限公司 Without wiring board cutting processing technology, numerical control gong machine that pin on the table is followed closely
CN106900139B (en) * 2017-04-20 2019-05-14 胜宏科技(惠州)股份有限公司 A kind of high-accuracy no technique edges LED circuit board moulding process
CN106900139A (en) * 2017-04-20 2017-06-27 胜宏科技(惠州)股份有限公司 It is a kind of high-accuracy without technique edges LED circuit board moulding process
CN109587954A (en) * 2018-12-12 2019-04-05 东莞市若美电子科技有限公司 No interior positioning milling plate production technology
CN110861144A (en) * 2019-10-21 2020-03-06 雪龙数控设备(深圳)有限公司 Routing and cutting processing method
CN110861144B (en) * 2019-10-21 2021-04-13 雪龙数控设备(深圳)有限公司 Routing and cutting processing method

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