CN103170995A - Manufacture method of short slotted hole for printed circuit board - Google Patents

Manufacture method of short slotted hole for printed circuit board Download PDF

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CN103170995A
CN103170995A CN 201310136365 CN201310136365A CN103170995A CN 103170995 A CN103170995 A CN 103170995A CN 201310136365 CN201310136365 CN 201310136365 CN 201310136365 A CN201310136365 A CN 201310136365A CN 103170995 A CN103170995 A CN 103170995A
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hole
slotted
slot
pre
drilling
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CN 201310136365
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Chinese (zh)
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CN103170995B (en )
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刘喜科
戴晖
林人道
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梅州市志浩电子科技有限公司
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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

印刷电路板短槽孔的制作方法 The printed circuit board manufacturing method of a short slot

技术领域 FIELD

[0001] 本发明涉及印刷电路板(PCB)领域,尤其涉及一种印刷电路板短槽孔的制作方法。 [0001] The present invention relates to a printed circuit board (PCB), and more particularly relates to a method for manufacturing a printed circuit board short slot. 背景技术 Background technique

[0002] 同一印刷电路板的表面根据客户提供的资料需要对应加工成各种槽孔,槽孔长度小于或等于两倍的槽孔宽度,俗称短槽孔。 [0002] the same surface of the printed circuit board according to the information provided by the customer needs to correspond processed into various slots, slot length is less than or equal to twice the width of the slot, known as a short slot. 随着现代电子产品日益向小型化、高集成、高性能的趋势发展,钻孔的孔径越来越小,钻孔精度越来越高,超短槽孔及长槽孔也越来越多,客户对槽孔的加工品质要求也越来越高,其品质直接影响到客户产品的安装及使用。 With the increasing development of modern electronic products to small, highly integrated, high-performance trend, more and more small aperture drilling, drilling more and more high precision, short and long slot slot more and more, customers are increasingly high quality requirements for processing slot, its quality directly affects the installation and use of customer products.

[0003] 在现有短槽孔的制作过程中,由于钻咀的高速旋转,同时钻咀在密集下钻过程中存在空位,导致短槽孔钻孔空白区域受力不均匀,出现槽孔变形、尺寸偏离等不良。 [0003] In the conventional production process of short slots, since the high-speed rotation of the drill bit, while the presence of gaps in the drill bit during drilling in dense, resulting in a short slot drilling a blank area of ​​discontinuity, slot deformation occurs , defects such dimensions deviate. 业内主流的短槽孔加工方式是通过对槽孔加工参数的调整、槽刀直径以及添加预钻孔的方式生产,但即便这样,短槽孔的加工品质也很难得到保证,容易产生短槽孔尺寸偏离和短槽孔变形等不良。 Short slot mainstream industry is processed through the adjustment slot embodiment processing parameters, and adding a pre-groove cutter diameter drill hole is produced, but even so, the processing quality is difficult to be short slot guaranteed, prone to short grooves pore size and a short slot departing from adverse deformation.

[0004] 近年国内PCB行业的高速发展,使得行业竞争越来越激烈,降低成本,提高生产效率早就成了燃眉之急,针对孔径小或精度要求高的板件,PCB制造商可以在价格上进行调整弥补,然而在机械钻孔中碰到有短槽孔加工时,不但严重影响生产效率及产品品质,且生产成本也随之提高一半,可谓苦不堪言,短槽孔变形已成PCB制造商面临的难题。 [0004] In recent years, the domestic PCB industry's rapid development, making the industry more competitive, reduce costs, improve production efficiency have been the immediate need for high accuracy requirements or small aperture plates, PCB manufacturers can be on price adjustment to make up, but when confronted with the mechanical drilling process in the short slot, not only seriously affect production efficiency and product quality, and the production cost will increase by half, can be described as miserable, deformation of PCB manufacturers have become shorter slot facing problems.

发明内容 SUMMARY

[0005] 本发明主要解决的技术问题是短槽孔制作过程中容易产生尺寸偏离和变形问题。 [0005] The present invention to solve the technical problem of short slots manufacturing process prone to the size deviation and deformation.

[0006] 为了解决上述技术问题,本发明实施例公开了一种印刷电路板短槽孔的制作方法,包括如下步骤: [0006] To solve the above problems, embodiments of the present invention discloses a method for manufacturing a printed circuit board short slots, comprising the steps of:

[0007] 步骤SI,刀具排序及选择:根据槽孔的形状,结合预设标准来设定槽的长度及宽度,对需制作的槽孔进行有序排刀,并根据槽孔的大小选择适合的刀具; [0007] Step the SI, the tool selection and ordering: The shape of the slot, with a preset standard setting length and width of the slot, slots required for making orderly row of knives, and select the appropriate according to the size of the slot tools;

[0008] 步骤S2,预钻补偿刀具选择:对刀具排序正确后,对设计的槽宽分别设定所预钻槽两边的分孔进行锣刀制作,槽的长方向在成品正常补偿的基础上加放一定尺寸X ; [0008] In step S2, the pre-drilled compensation tool selection: After the tool in the correct order p, the groove width of the design points are set as the pre-drilled holes on both sides of the groove is made gong knife, normally finished base compensation in the longitudinal direction of the groove Placing X-sized;

[0009] 步骤S3,制作预钻分孔:设定槽孔两端预钻分孔的补偿区分,预钻咀选取比槽宽(2X的锣刀,槽两端的预钻孔距槽边预留尺寸X ; [0009] In step S3, the partial pre-drilled holes produced: setting points at both ends of the slot to compensate distinguish predrilled holes, the pre-cutter drill bits select gongs than the groove width (2X, the prepared hole at both ends of the groove edge of the groove pitch reserved size X;

[0010] 步骤S4,选择修整槽刀:进行两端预钻分孔后,选取直径比槽宽< 2X的槽刀对整个槽孔进行补偿修整; [0010] In step S4, the trimming knife slot selection: after partial pre-drilled holes at both ends, diameter select <2X groove cutter slots to compensate for the entire dressing than the groove width;

[0011] 步骤S5,修整预留的槽孔边:对修整槽宽的刀具采用定向密钻技术,在对槽孔的旋转角度进行反向补偿后,以固定的位移量使槽刀由一个预钻孔向另外一个预钻孔方进行密钻,减小短槽孔的形变量,并将削切过程中所产生的粉屑排出。 [0011] In step S5, the reservation slot edge trimming: using directional drilling techniques dense groove width trimming cutter, the rotational angle compensating reverse slot, so that a fixed amount of displacement of a pre-groove cutter Further borehole to drill a pre-drilled square dense, reduced short slot deformation and cutting of fines generated during discharge.

[0012] 在本发明的一较佳实施例中,所述加放尺寸X为0.025_。 [0012] In a preferred embodiment of the present invention, the dimension X is 0.025_ Placing.

[0013] 在本发明的一较佳实施例中,步骤S3中,槽的长方向在成品正常补偿的基础上在单边预放为X/2。 [0013] In a preferred embodiment of the present invention, in step S3, the length direction of the groove on the basis of the finished normal compensation on unilateral preamplifier is X / 2. [0014] 在本发明的一较佳实施例中,步骤S3中,锣刀直径为0.50,0.60,0.70,0.80mm或大于0.80mm。 [0014] In a preferred embodiment of the present invention, in step S3, the gongs knife 0.50,0.60,0.70,0.80mm or greater than a diameter of 0.80mm.

[0015] 相较于现有技术,本发明的所述印刷电路板短槽孔的制作方法可以解决短槽孔在加工过程中的尺寸偏离和变形问题。 [0015] Compared to the prior art, the printed circuit board manufacturing method of the present invention short slots may address size deviation and deformation in a short slot during processing.

附图说明 BRIEF DESCRIPTION

[0016] 为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其它的附图,其中: [0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, as briefly described in the introduction to the accompanying drawings required for use in describing the embodiments. Apparently, the drawings in the following description are only some of the present invention. embodiments, those of ordinary skill in the art is concerned, without creative efforts, you can derive other drawings from such accompanying drawings, wherein:

[0017] 图1是本发明印刷电路板短槽孔的制作方法的流程示意图; [0017] FIG. 1 is a schematic flow diagram of a method of manufacturing a printed circuit board according to the present invention is a short slot;

[0018] 图2是本发明制作方法中根据短槽长度要求进行补预钻分孔的示意图; [0018] FIG. 2 is a schematic view of the manufacturing method of the present invention requires a short length of fill groove predrilled holes divided according to;

[0019] 图3是本发明制作方法中分孔预钻后使用等大的槽刀进行修边加工的示意图。 [0019] FIG. 3 is prepared using the method of the present invention, the pre-drilled hole carve equally large grooves schematic knife edging is performed.

具体实施方式 detailed description

[0020] 下面将对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅是本发明的一部分实施例,而不是全部的实施例。 [0020] Hereinafter, the present invention will be apparent technical solutions in the embodiments, fully described, obviously, the described embodiments are merely part of embodiments of the present invention rather than all embodiments. 基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。 Based on the embodiments of the present invention, all other embodiments of ordinary skill in the art without any creative effort shall fall within the scope of the present invention.

[0021] 本发明公开了一种印刷电路板短槽孔的制作方法,请参阅图1至图3,所述制作方法包括如下步骤,其中以下所描述的槽孔均为短槽孔: [0021] The present invention discloses a method of manufacturing a printed circuit board short slots, see FIG. 1 to FIG. 3, the manufacturing method comprising the steps, wherein the slots are described below Short Slot:

[0022] 步骤SI,刀具排序及选择:根据槽孔的形状,结合预设标准来设定槽的长度及宽度,对需制作的槽孔进行有序排刀,并根据槽孔的大小选择适合的刀具; [0022] Step the SI, the tool selection and ordering: The shape of the slot, with a preset standard setting length and width of the slot, slots required for making orderly row of knives, and select the appropriate according to the size of the slot tools;

[0023] 步骤S2,预钻补偿刀具选择:对刀具排序正确后,对设计的槽宽分别设定所预钻槽两边的分孔进行锣刀制作,槽的长方向在成品正常补偿的基础上加放一定尺寸X,例如加放0.025mm,则在其单边预放0.0125mm ; [0023] In step S2, the pre-drilled compensation tool selection: After the tool in the correct order p, the groove width of the design points are set as the pre-drilled holes on both sides of the groove is made gong knife, normally finished base compensation in the longitudinal direction of the groove Placing a certain size X, e.g. Placing 0.025mm, the preamplifier in its unilateral 0.0125mm;

[0024] 步骤S3,制作预钻分孔:设定槽孔两端预钻分孔的补偿区分,预钻咀选取比槽宽(2X的锣刀,槽两端的预钻孔距槽边预留尺寸X,即以步骤S2所述的预留补偿,其中,可选锣刀直径0.50,0.60,0.70,0.80mm 或更大; [0024] In step S3, the partial pre-drilled holes produced: setting points at both ends of the slot to compensate distinguish predrilled holes, the pre-cutter drill bits select gongs than the groove width (2X, the prepared hole at both ends of the groove edge of the groove pitch reserved dimension X, i.e., to compensate for the reservation of step S2, wherein the optional gong knife 0.50,0.60,0.70,0.80mm diameter or greater;

[0025] 步骤S4,选择修整槽刀:进行两端预钻分孔后,选取直径比槽宽< 2X的槽刀对整个槽孔进行补偿修整; [0025] Step S4, the trimming knife slot selection: after partial pre-drilled holes at both ends, diameter select <2X groove cutter slots to compensate for the entire dressing than the groove width;

[0026] 步骤S5,修整预留的槽孔边:对修整槽宽的刀具采用定向密钻技术,在对槽孔的旋转角度进行反向补偿后,以固定的位移量使槽刀由一个预钻孔向另外一个预钻孔方进行密钻,减小短槽孔的形变量,削切过程中所产生的粉屑可有效的排出,使整个槽孔不易变形,无尺寸偏离现象。 [0026] Step S5, the reservation slot edge trimming: using directional drilling techniques dense groove width trimming cutter, the rotational angle compensating reverse slot, so that a fixed amount of displacement of a pre-groove cutter Further borehole to drill a pre-drilled square dense, reduced short slot deformation, shavings generated during cutting of the effective discharge, the entire slot is not easy to deform, without departing from the dimensions of the phenomenon.

[0027] 相较于现有技术,本发明的所述印刷电路板短槽孔的制作方法具有如下优点: [0027] Compared to the prior art, the printed circuit board manufacturing method of the present invention short slots have the following advantages:

[0028] 1、采用短槽孔定位和定角度补偿技术:根据短槽孔的形状,在制作短槽孔加工程序时,根据试验得出的数据,对导向孔的钻咀旋转反方向、反角度补偿,可有效解决槽孔在加工过程中,由于受力不均引起的短槽孔尺寸偏离和变形问题;[0029] 2、采用短槽孔定向密钻技术:在对槽孔的旋转角度进行反向补偿后,在短槽两端设计两个预钻孔,然后以固定的位移量使钻咀由一个预钻孔向另外一个预钻孔方进行密钻,减小短槽孔的形变量; [0028] 1, using a short slot and positioned a predetermined angle compensation: the shape of short slots, in the production of short-slot machining program, according to the test data obtained on the drill bit guide hole in the reverse direction of rotation, trans angle compensator, can effectively solve the slot during processing, due to the short slot dimension deviation and deformation due to uneven force; [0029] 2, with a short slot directional drilling technology adhesion: the rotation angle of the slot after reverse compensation, across the two short grooves designed pre-drilled, and then a fixed amount of displacement of the drill nozzle for drilling adhesion to another party a prepared hole of a pre-drilled holes, reducing the short slot-shaped variable;

[0030] 3、采用钻咀刀径、方向预补偿技术:采用短槽方向预补偿技术使短槽的长方向在成品正常补偿的基础进行加补处理,同时槽两端的预钻孔选取比槽宽< 0.05mm的锣刀生产,槽两端的预钻孔距槽边预留0.025mm。 [0030] 3, the tool radius using the drill bit, the direction of pre-compensation technique: the groove direction using a short pre-compensation of the long direction of the short groove is finished on the basis of supplementary process normal compensation, while the prepared hole at both ends of the groove than the groove selection width <0.05mm knife gong production, the prepared hole at both ends of the groove edges reservation slot pitch 0.025mm.

[0031] 综上所述,本发明的所述印刷电路板短槽孔的制作方法可以解决短槽孔在加工过程中的尺寸偏离和变形问题。 [0031] In summary, the method of manufacturing the printed circuit board of the present invention short slots may address size deviation and deformation in a short slot during processing.

[0032] 以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书内容所作的等效结构或等效流程变换,或直接或间接运用在其它相关的技术领域,均同理包括在本发明的专利保护范围内。 [0032] Other related art described above are only embodiments of the present invention, not intended to limit the scope of the present invention, the present invention is usually made by using a description equivalent structures or equivalent process, or applied directly or indirectly art shall fall within the scope of protection of the present invention.

Claims (4)

  1. 1.一种印刷电路板短槽孔的制作方法,其特征在于,包括如下步骤: 步骤SI,刀具排序及选择:根据槽孔的形状,结合预设标准来设定槽的长度及宽度,对需制作的槽孔进行有序排刀,并根据槽孔的大小选择适合的刀具; 步骤S2,预钻补偿刀具选择:对刀具排序正确后,对设计的槽宽分别设定所预钻槽两边的分孔进行锣刀制作,槽的长方向在成品正常补偿的基础上加放一定尺寸X ; 步骤S3,制作预钻分孔:设定槽孔两端预钻分孔的补偿区分,预钻咀选取比槽宽< 2X的锣刀,槽两端的预钻孔距槽边预留尺寸X ; 步骤S4,选择修整槽刀:进行两端预钻分孔后,选取直径比槽宽< 2X的槽刀对整个槽孔进行补偿修整; 步骤S5,修整预留的槽孔边:对修整槽宽的刀具采用定向密钻技术,在对槽孔的旋转角度进行反向补偿后,以固定的位移量使槽刀由一个预钻孔向另外一个预钻 1. A method for manufacturing a printed circuit board short slot, characterized in that it comprises the following steps: the SI, the tool selection and ordering: The shape of the slot, with a preset standard setting length and width of the grooves, for making slots required orderly row of knives, and select the appropriate tool in accordance with the size of the slot; step S2, the pre-drilled compensation tool selection: after the tool in the correct order, the design of the groove width are set on both sides of the groove predrilled the wells were divided gong knife made, plus the long direction of the discharge channel X on the basis of a certain size on the finished normal compensation; step S3, the partial pre-drilled holes produced: setting points at both ends of the slot to compensate distinguish predrilled hole, predrilled select Tsui gongs knife than the groove width <2X, the prepared hole at both ends of the groove edges reservation slot pitch X-dimension; step S4, the trimming knife slot selection: after the pre-drilled holes at both ends points, select diameter than the groove width <2X in slot knife trimming compensating the entire slot; step S5, the reservation slot edge trimming: trimming groove width of the tool dense directional drilling technology, in the rotational angle compensating reverse slot, a fixed displacement a knife so that the amount of pre-drilled groove of a prepared hole to the other 孔方进行密钻,减小短槽孔的形变量,并将削切过程中所产生的粉屑排出。 For drilling hole for adhesion, reduced short slot deformation and cutting of fines generated during discharge.
  2. 2.根据权利要求1所述的方法,其特征在于,所述加放尺寸X为0.025mm。 2. The method according to claim 1, wherein said discharge size plus X is 0.025mm.
  3. 3.根据权利要求1所述的方法,其特征在于,步骤S3中,槽的长方向在成品正常补偿的基础上在单边预放为X/2。 3. The method according to claim 1, wherein, in step S3, the length direction of the groove on the basis of the finished normal compensation on unilateral preamplifier is X / 2.
  4. 4.根据权利要求1所述的方法,其特征在于,步骤S3中,锣刀直径为0.50,0.60,0.70、.0.80mm 或大于0.80mm。 4. The method according to claim 1, wherein, in step S3, the gongs knife diameter 0.50,0.60,0.70, .0.80mm or greater than 0.80mm.
CN 201310136365 2013-04-18 2013-04-18 Manufacture method of short slotted hole for printed circuit board CN103170995B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
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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
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
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
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 Method for machining ultrashort slot with slot length smaller than 1.5 times of slot width for printed-circuit board
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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
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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

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