CN105208786A - Fine printed circuit board grinding board technology - Google Patents
Fine printed circuit board grinding board technology Download PDFInfo
- Publication number
- CN105208786A CN105208786A CN201510506554.3A CN201510506554A CN105208786A CN 105208786 A CN105208786 A CN 105208786A CN 201510506554 A CN201510506554 A CN 201510506554A CN 105208786 A CN105208786 A CN 105208786A
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- China
- Prior art keywords
- plate
- grinding
- polish
- brush
- board
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- 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.)
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Classifications
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- 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
- H05K3/22—Secondary treatment of printed circuits
- H05K3/26—Cleaning or polishing of the conductive pattern
-
- 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
- H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
- H05K2203/0756—Uses of liquids, e.g. rinsing, coating, dissolving
- H05K2203/0766—Rinsing, e.g. after cleaning or polishing a conductive pattern
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a fine printed circuit board grinding board technology. The fine printed circuit board grinding board technology comprises steps of, S1, cylinder opening; S2, machine start check; S3, machine start, a grinding board machine is started according to strict operation requirements, a transmission speed scope is controlled to be in 2-4m/min, a pickling pressure scope is controlled to be in 1.0-1.5kg/cm<2>, a washing pressure scope is controlled to be in 1.5-2.5kg/cm<2>, and a drying temperature scope is controlled to be in 90-100 DEG C; S4, grinding scratch detection, sub steps are as follows, S41, light copper board selection; S42, light copper board transmission to a grinding and brushing position, S43, grinding and brushing, spraying, grinding and brushing are started simultaneously, a grinding and brushing pressure is adjusted to 2.6-2.9A, a light copper board are grinded and brushed for 3-5s, grinding and brushing stop, and the light copper board is outputted; S44, grinding scratch width detection, when the width is in a range of 10-18mm, grinding scratch detection is accomplished; and S5, batch production, batch production is carried out according to a sequence of board incoming, pickling, cycle washing, spraying, grinding, two-times cycle washing, high-pressure washing, cleaning, air drying, baking and board outgoing. The fine printed circuit board grinding board technology has advantages of good grinding effect and high grinding efficiency.
Description
Technical field
The present invention relates to the production technical field of printed circuit board, particularly fine-line printed board nog plate technique.
Background technology
Circuit board and printed circuit board, also known as printed circuit board (PCB), be the supplier of electronic devices and components electrical connection, adopt the major advantage of circuit board to be the mistake greatly reducing wiring and assembling, improve the gentle productive labor rate of Automated water.Circuit board take insulation board as base material, be cut into certain size, at least with a conductive pattern on it, and cloth porose (as component hole, fastener hole, plated-through hole etc.), be used for replacing the chassis of device electronic devices and components in the past, and realize being interconnected between electronic devices and components.
Along with the raising of science and technology, electronic equipment develops rapidly, and it has incorporated in the life into us, particularly general use of mobile phone.Increasing of electronic equipment, inevitable also just needs a large amount of circuit boards, and this is concerning the enterprise producing circuit board, be a good opportunity, but industry competition pressure is also just along with increase.
Printed board nog plate cleans the copper-clad plate of cutting in Plate grinder, makes the foreign material such as its surperficial free from dust, burr, first wear away rear baking.Traditional nog plate is immature in technique, the wiring board nog plate of different-thickness, different to the control of each parameter, traditional nog plate technique adopts consistent technological parameter, cause nog plate poor effect, and nog plate efficiency is low, this is great strike for production enterprise.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, the fine-line printed board nog plate technique that a kind of nog plate is effective and nog plate efficiency is high is provided.
Object of the present invention is achieved through the following technical solutions: fine-line printed board nog plate technique, comprises the following steps:
S1, open cylinder: inboard wall of cylinder block is rinsed, eliminating impurities is clean, in cylinder body, then add water to 1/3 of cylinder body volume, then in cylinder body, add the sulfuric acid accounting for cylinder body volume 3 ~ 5%, then in cylinder body, add clear water to cylinder body requirement liquid level;
S2, start check: comprise following sub-step:
S21, inspection nozzle: check each nozzle in Plate grinder, guarantee its nozzles clear, and nozzle is vertical with printed board plate face;
S22, checked filter core: check each filter core on Plate grinder, guarantee no-sundries in filter core, and change damaged filter core in time;
S23, inspection absorbent wool: guarantee that absorbent wool keeps clean, and in half moisture state, and without breakage;
S3, start: Plate grinder is started in strict accordance with operation requirements, controls transfer velocity interval is 2 ~ 4m/min, and pickling pressure limit is 1.0 ~ 1.5kg/cm2, and washing pressure limit is 1.5 ~ 2.5kg/cm2, and bake out temperature scope is 90 ~ 100 DEG C;
S4, polishing scratch detect: comprise following sub-step:
S41, selection tabula rasa: get the light copper coin that width is 500 ~ 600mm, be placed on Plate grinder conveyer belt;
S42, be delivered to polish-brush position: open conveying, be sent to below polish-brush by light copper coin, stop conveying, open polish-brush and also adjust the polish-brush degree of depth;
S43, polish-brush: open spray and polish-brush simultaneously, adjustment polish-brush pressure, to 2.6 ~ 2.9A, carries out polish-brush 3 ~ 5s to light copper coin, closes polish-brush, exported by light copper coin;
S44, detection wear scar width: measure wear scar width with ruler, and according to wear scar width adjustment polish-brush pressure, when wear scar width is between 10 ~ 18mm, polishing scratch has detected;
S5, volume production: be pressed into plate → pickling → circulating water wash → spray → nog plate → twice circulating water wash → high-pressure washing → clear water and wash → air-dry → oven dry → ejecting plate, carry out volume production.
When entering plate in described step S5, adopt left and right to interlock and put plate and unified direction, the distance interval 3 ~ 5cm between plate and plate, plate outer and Plate grinder inwall interval 3 ~ 5cm.
The present invention has the following advantages:
1, before nog plate, carry out front inspection of starting shooting, the various piece of equipment is checked in strict accordance with requiring, undesirable parts are adjusted in time, for later stage nog plate operation provides good basis, be conducive to improving nog plate effect.
2, before carrying out volume production, be provided with the step that polishing scratch checks, namely examination polish-brush is carried out to the wiring board that will carry out nog plate, and detect its wear scar width, adjust the position of polishing scratch electric current and polish-brush according to wear scar width, after adjusting to suitable wear scar width, carry out volume production again, when carrying out nog plate to the wiring board of same thickness, do not need to carry out polishing scratch electric current again and polish-brush position adjusts, be conducive to improving nog plate efficiency.
Embodiment
Below in conjunction with embodiment, the present invention will be further described, but protection scope of the present invention is not limited to the following stated.
[embodiment 1]:
Fine-line printed board nog plate technique, comprises the following steps:
S1, open cylinder: inboard wall of cylinder block is rinsed, eliminating impurities is clean, in cylinder body, then add water to 1/3 of cylinder body volume, then in cylinder body, add the sulfuric acid accounting for cylinder body volume 5%, then in cylinder body, add clear water to cylinder body requirement liquid level;
S2, start check: comprise following sub-step:
S21, inspection nozzle: check each nozzle in Plate grinder, guarantee its nozzles clear, and nozzle is vertical with printed board plate face;
S22, checked filter core: check each filter core on Plate grinder, guarantee no-sundries in filter core, and change damaged filter core in time;
S23, inspection absorbent wool: guarantee that absorbent wool keeps clean, and in half moisture state, and without breakage;
S3, start: Plate grinder is started in strict accordance with operation requirements, controls transfer speed is 4m/min, and pickling pressure is 1.0kg/cm2, and washing pressure is 1.5kg/cm2, and bake out temperature is 90 DEG C;
S4, polishing scratch detect: comprise following sub-step:
S41, selection tabula rasa: get the light copper coin that width is 500mm, be placed on Plate grinder conveyer belt;
S42, be delivered to polish-brush position: open conveying, be sent to below polish-brush by light copper coin, stop conveying, open polish-brush and also adjust the polish-brush degree of depth;
S43, polish-brush: open spray and polish-brush simultaneously, adjustment polish-brush pressure, to 2.9A, carries out polish-brush 3s to light copper coin, closes polish-brush, exported by light copper coin;
S44, detection wear scar width: measure wear scar width with ruler, and according to wear scar width adjustment polish-brush pressure, when wear scar width is between 10 ~ 18mm, polishing scratch has detected;
S5, volume production: be pressed into plate → pickling → circulating water wash → spray → nog plate → twice circulating water wash → high-pressure washing → clear water and wash → air-dry → oven dry → ejecting plate, carry out volume production.
When entering plate in described step S5, adopt left and right to interlock and put plate and unified direction, the distance interval 5cm between plate and plate, plate outer and Plate grinder inwall interval 3cm.
[embodiment 2]:
Fine-line printed board nog plate technique, comprises the following steps:
S1, open cylinder: inboard wall of cylinder block is rinsed, eliminating impurities is clean, in cylinder body, then add water to 1/3 of cylinder body volume, then in cylinder body, add the sulfuric acid accounting for cylinder body volume 4%, then in cylinder body, add clear water to cylinder body requirement liquid level;
S2, start check: comprise following sub-step:
S21, inspection nozzle: check each nozzle in Plate grinder, guarantee its nozzles clear, and nozzle is vertical with printed board plate face;
S22, checked filter core: check each filter core on Plate grinder, guarantee no-sundries in filter core, and change damaged filter core in time;
S23, inspection absorbent wool: guarantee that absorbent wool keeps clean, and in half moisture state, and without breakage;
S3, start: started in strict accordance with operation requirements by Plate grinder, controls transfer speed is 3m/min, and pickling pressure is 1.2kg/cm
2, washing pressure is 2kg/cm
2, bake out temperature scope is 95 DEG C;
S4, polishing scratch detect: comprise following sub-step:
S41, selection tabula rasa: get the light copper coin that width is 550mm, be placed on Plate grinder conveyer belt;
S42, be delivered to polish-brush position: open conveying, be sent to below polish-brush by light copper coin, stop conveying, open polish-brush and also adjust the polish-brush degree of depth;
S43, polish-brush: open spray and polish-brush simultaneously, adjustment polish-brush pressure, to 2.8A, carries out polish-brush 4s to light copper coin, closes polish-brush, exported by light copper coin;
S44, detection wear scar width: measure wear scar width with ruler, and according to wear scar width adjustment polish-brush pressure, when wear scar width is between 10 ~ 18mm, polishing scratch has detected;
S5, volume production: be pressed into plate → pickling → circulating water wash → spray → nog plate → twice circulating water wash → high-pressure washing → clear water and wash → air-dry → oven dry → ejecting plate, carry out volume production.
When entering plate in described step S5, adopt left and right to interlock and put plate and unified direction, the distance interval 4cm between plate and plate, plate outer and Plate grinder inwall interval 4cm.
[embodiment 3]:
Fine-line printed board nog plate technique, comprises the following steps:
S1, open cylinder: inboard wall of cylinder block is rinsed, eliminating impurities is clean, in cylinder body, then add water to 1/3 of cylinder body volume, then in cylinder body, add the sulfuric acid accounting for cylinder body volume 3%, then in cylinder body, add clear water to cylinder body requirement liquid level;
S2, start check: comprise following sub-step:
S21, inspection nozzle: check each nozzle in Plate grinder, guarantee its nozzles clear, and nozzle is vertical with printed board plate face;
S22, checked filter core: check each filter core on Plate grinder, guarantee no-sundries in filter core, and change damaged filter core in time;
S23, inspection absorbent wool: guarantee that absorbent wool keeps clean, and in half moisture state, and without breakage;
S3, start: Plate grinder is started in strict accordance with operation requirements, controls transfer speed is 2m/min, and pickling pressure is 1.5kg/cm2, and washing pressure is 2.5kg/cm2, and bake out temperature is 100 DEG C;
S4, polishing scratch detect: comprise following sub-step:
S41, selection tabula rasa: get the light copper coin that width is 600mm, be placed on Plate grinder conveyer belt;
S42, be delivered to polish-brush position: open conveying, be sent to below polish-brush by light copper coin, stop conveying, open polish-brush and also adjust the polish-brush degree of depth;
S43, polish-brush: open spray and polish-brush simultaneously, adjustment polish-brush pressure, to 2.6A, carries out polish-brush 5s to light copper coin, closes polish-brush, exported by light copper coin;
S44, detection wear scar width: measure wear scar width with ruler, and according to wear scar width adjustment polish-brush pressure, when wear scar width is between 10 ~ 18mm, polishing scratch has detected;
S5, volume production: be pressed into plate → pickling → circulating water wash → spray → nog plate → twice circulating water wash → high-pressure washing → clear water and wash → air-dry → oven dry → ejecting plate, carry out volume production.
When entering plate in described step S5, adopt left and right to interlock and put plate and unified direction, the distance interval 3cm between plate and plate, plate outer and Plate grinder inwall interval 5cm.
Claims (2)
1. fine-line printed board nog plate technique, is characterized in that: comprise the following steps:
S1, open cylinder: inboard wall of cylinder block is rinsed, eliminating impurities is clean, in cylinder body, then add water to 1/3 of cylinder body volume, then in cylinder body, add the sulfuric acid accounting for cylinder body volume 3 ~ 5%, then in cylinder body, add clear water to cylinder body requirement liquid level;
S2, start check: comprise following sub-step:
S21, inspection nozzle: check each nozzle in Plate grinder, guarantee its nozzles clear, and nozzle is vertical with printed board plate face;
S22, checked filter core: check each filter core on Plate grinder, guarantee no-sundries in filter core, and change damaged filter core in time;
S23, inspection absorbent wool: guarantee that absorbent wool wheel keeps clean, and in half moisture state, and without breakage;
S3, start: started in strict accordance with operation requirements by Plate grinder, controls transfer velocity interval is 2 ~ 4m/min, and pickling pressure limit is 1.0 ~ 1.5kg/cm
2, washing pressure limit is 1.5 ~ 2.5kg/cm
2, bake out temperature scope is 90 ~ 100 DEG C;
S4, polishing scratch detect: comprise following sub-step:
S41, selection tabula rasa: get the light copper coin that width is 500 ~ 600mm, be placed on Plate grinder conveyer belt;
S42, be delivered to polish-brush position: open conveying, be sent to below polish-brush by light copper coin, stop conveying, open polish-brush and also adjust the polish-brush degree of depth;
S43, polish-brush: open spray and polish-brush simultaneously, adjustment polish-brush pressure, to 2.6 ~ 2.9A, carries out polish-brush 3 ~ 5s to light copper coin, closes polish-brush, exported by light copper coin;
S44, detection wear scar width: measure wear scar width with ruler, and according to wear scar width adjustment polish-brush pressure, when wear scar width is between 10 ~ 18mm, polishing scratch has detected;
S5, volume production: be pressed into plate → pickling → circulating water wash → spray → nog plate → twice circulating water wash → high-pressure washing → clear water and wash → air-dry → oven dry → ejecting plate, carry out volume production.
2. fine-line printed board nog plate technique according to claim 1, it is characterized in that: when entering plate in described step S5, adopt left and right to interlock and put plate and unified direction, the distance interval 3 ~ 5cm between plate and plate, plate outer and Plate grinder inwall interval 3 ~ 5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510506554.3A CN105208786A (en) | 2015-08-18 | 2015-08-18 | Fine printed circuit board grinding board technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510506554.3A CN105208786A (en) | 2015-08-18 | 2015-08-18 | Fine printed circuit board grinding board technology |
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| CN105208786A true CN105208786A (en) | 2015-12-30 |
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| CN201510506554.3A Pending CN105208786A (en) | 2015-08-18 | 2015-08-18 | Fine printed circuit board grinding board technology |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106852008A (en) * | 2017-03-06 | 2017-06-13 | 奥士康精密电路（惠州）有限公司 | A kind of method for preventing OSP copper faces heterochromatic |
| CN107175553A (en) * | 2017-07-12 | 2017-09-19 | 信丰迅捷兴电路科技有限公司 | A kind of wiring board nog plate production system |
| CN107695800A (en) * | 2017-09-06 | 2018-02-16 | 江门市泽天达科技有限公司 | A kind of polishing steel plate technique |
| CN111774941A (en) * | 2020-07-10 | 2020-10-16 | 黎亚龙 | Grinding method of plate grinding machine capable of preventing blockage of spray pipe |
| CN114302563A (en) * | 2021-12-28 | 2022-04-08 | 龙南骏亚柔性智能科技有限公司 | Production method applied to grinding of ultrathin circuit board |
| CN114877778A (en) * | 2022-04-29 | 2022-08-09 | 广东喜珍电路科技有限公司 | Detection sheet for PCB grinding mark test and detection method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101378629A (en) * | 2008-09-28 | 2009-03-04 | 深圳崇达多层线路板有限公司 | Method for processing resistance welding milling point |
| CN102220593A (en) * | 2011-06-03 | 2011-10-19 | 开平依利安达电子第三有限公司 | Copper surface cleaning device for outer-layer dry film process of circuit board |
| CN104710868A (en) * | 2013-12-14 | 2015-06-17 | 上海泉灵信息科技有限公司 | Etching-resistant photosensitive protection printing ink |
-
2015
- 2015-08-18 CN CN201510506554.3A patent/CN105208786A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101378629A (en) * | 2008-09-28 | 2009-03-04 | 深圳崇达多层线路板有限公司 | Method for processing resistance welding milling point |
| CN102220593A (en) * | 2011-06-03 | 2011-10-19 | 开平依利安达电子第三有限公司 | Copper surface cleaning device for outer-layer dry film process of circuit board |
| CN104710868A (en) * | 2013-12-14 | 2015-06-17 | 上海泉灵信息科技有限公司 | Etching-resistant photosensitive protection printing ink |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106852008A (en) * | 2017-03-06 | 2017-06-13 | 奥士康精密电路（惠州）有限公司 | A kind of method for preventing OSP copper faces heterochromatic |
| CN107175553A (en) * | 2017-07-12 | 2017-09-19 | 信丰迅捷兴电路科技有限公司 | A kind of wiring board nog plate production system |
| CN107695800A (en) * | 2017-09-06 | 2018-02-16 | 江门市泽天达科技有限公司 | A kind of polishing steel plate technique |
| CN111774941A (en) * | 2020-07-10 | 2020-10-16 | 黎亚龙 | Grinding method of plate grinding machine capable of preventing blockage of spray pipe |
| CN114302563A (en) * | 2021-12-28 | 2022-04-08 | 龙南骏亚柔性智能科技有限公司 | Production method applied to grinding of ultrathin circuit board |
| CN114877778A (en) * | 2022-04-29 | 2022-08-09 | 广东喜珍电路科技有限公司 | Detection sheet for PCB grinding mark test and detection method thereof |
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Application publication date: 20151230 |
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