CN102218417A - Cleaning technology of circuit board manufacturing jig - Google Patents
Cleaning technology of circuit board manufacturing jig Download PDFInfo
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- CN102218417A CN102218417A CN2011101190847A CN201110119084A CN102218417A CN 102218417 A CN102218417 A CN 102218417A CN 2011101190847 A CN2011101190847 A CN 2011101190847A CN 201110119084 A CN201110119084 A CN 201110119084A CN 102218417 A CN102218417 A CN 102218417A
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- wiring board
- board processing
- processing jig
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Abstract
The invention relates to a cleaning technology of a circuit board manufacturing jig. The technology has the following steps: firstly, spraying by adopting a pneumatic cleaning machine to match a water base cleaning agent; then drying by adopting the pneumatic cleaning machine; and finally carrying out molecule adhesion treatment on the dried jig by using a polymer material. Particularly, the water base cleaning agent comprises 5-35wt% of an esters solvent of halogen-free binary organic acid, 1-10wt% of halogen-free polyols solvent, 0.05-0.5wt% of halogen-free non-ionic surface active agent, and the balance of deionized water. According to the invention, the pneumatic cleaning machine is adopted for matching the water base cleaning agent which is non-toxic, has no flashpoint, and can be recycled, the molecule adhesion treatment step is taken as an assistance, zero emission of pollution pollutants is realized, the cleaning is environmentally-friendly, the cleaning effect can reach the multistage organic cleaning process effect, the whole process is simple and clean, and the cost is relatively low.
Description
Technical field
The present invention relates to the PCBA production technical field, be specifically related to a kind of PCBA tool cleaning.
Background technology
In the circuit assembly technology, need on circuit substrate, to apply scaling powder, soldering paste, again electronic devices and components are assembled on the substrate, through wave-soldering or Reflow Soldering welding by steel mesh.For the tool that uses in the dress connection processes such as steel mesh, reflow ovens/wave-soldering furnace, DIP tool etc., all to thoroughly clean up after each the use, could realize recycling.To the quality of the cleaning technique of these tools, directly have influence on the working life and the reliability of the electronic product behind the dress connection, also be related to environmental pollution and human beings'health simultaneously.Cleaning is generally followed according to the portion's product of needs cleaning and the difference of residue, selects different cleaning equipments and cleaning agent for use.At present, electronics manufacturing enterprise is used for mainly containing industrial alcohol, IPA (isopropyl alcohol), washing plate water equal solvent type cleaning agent, though cleaning performance is good of cleaning tool, but these materials have strong volatility, breathe in the body, can produce harm to the talent, and inflammable and explosive, tool is not recycled and is worth.
In the electronics manufacturing, the equipment of cleaning tool mainly contains multiple station cleaning machine and complete pneumatic cleaning machine at present.Multiple station cleaning machine cooperates the aqueous cleaning agent of pollution-free recyclable utilization to use, and cleaning performance is good, but because following these factors, in the technical process difficulty control to the suitable parameters scope, use is restricted: 1) temperature.Along with scavenging period is different with initial temperature, the cleaning agent temperature also changes in time, and too high temperature is easy to damage tool; 2) ultrasonic power density is excessive, damages jig structure easily; 3) damage as steel mesh tension force and adhesive glue easily.Although IPC is forbidding not,, cause easily destroying and take place because the strong permeability of ultrasonic wave is controlled with being difficult to; 4) when using solvent cleaner,, there is big potential safety hazard because electricity consumption is lighted even explosion danger; During 5) owing to cleaning is in a groove, and the booty under cleaning is not filtered, and influences cleaning performance.If circulating filtration, filtration yield too greatly then absorb energy, influence cleaning performance; 6) need independently rinse bath, the oven dry groove, structure is complicated.In addition, the new multistation tool cleaning machine of a cover needs the disposable input 1,000,000 above huge funds of enterprise, and a lot of electronics manufacturing enterprises are difficult to bear for the moment.
Along with country improves production safety and environmental protection requirement, the cleaning agent that complete pneumatic cleaning machine and environmental protection can be recycled is forming new cleaning.But pneumatic cleaning machine owing to be power with compressed air, only have spray, air-dry two and goes on foot cleaning functions, and when supporting use aqueous cleaning agent, cleaning performance is not good, does not reach manufacturing technique requirent.
Summary of the invention
The problem that the present invention need solve provides the wiring board processing jig cleaning of low, the effective and environmental protection of a kind of cost.
For addressing the above problem, the technical scheme that the present invention takes is: a kind of wiring board processing jig cleaning is provided, the steps include:
(1) adopt pneumatic cleaning machine hydrous water based cleaning agent to spray;
(2) adopt pneumatic cleaning machine air-dry;
(3) it is sticking from processing to use macromolecular material that the tool after air-dry is carried out molecule.
Concrete, aqueous cleaning agent contains described in the step (1): the esters solvent of the halogen-free binary organic acid of 5～35wt%, and the halogen-free polyalcohols solvent of 1～10wt%, the halogen-free non-ionic surface active agent of 0.05-0.5wt%, surplus is a deionized water.
Concrete, described macromolecular material adopts PVC material DB-D4.
Concrete, cleaning temperature is controlled at 30 ℃-40 ℃ in the step (1), and spray time is controlled at 300-350 second.
Concrete, air-dry time is controlled at 400-450 second in the step (2).
Compared with prior art, beneficial effect of the present invention is: (1) described cleaning adopts pneumatic cleaning machine to cooperate the aqueous cleaning agent of nontoxic, no flash-point, reusable edible, it is sticking from treatment step to be aided with molecule, realized zero release of pollutant, environmental protection is cleaned, and its cleaning performance can reach multistation organic washing technological effect, and whole process flow is succinct, and cost is relatively low; (2) by technological parameter control,, further improve cleaning quality in conjunction with repeatedly molecule is sticking from processing.
The specific embodiment
For the ease of those skilled in the art's understanding, the present invention is further described in detail below in conjunction with specific embodiment.
Disclosed wiring board processing jig cleaning comprises: adopt step that pneumatic cleaning machine hydrous water based cleaning agent sprays, adopt the air-dry step of pneumatic cleaning machine and use macromolecular material that the tool after air-dry is carried out molecule sticking from processing.
Wherein, the aqueous cleaning agent that adopts in the spray step contains: the esters solvent of the halogen-free binary organic acid of 5～35wt%, and the halogen-free polyalcohols solvent of 1～10wt%, the halogen-free non-ionic surface active agent of 0.05-0.5wt%, surplus is a deionized water.Add in the above-mentioned aqueous cleaning agent and have superpower solvent dibasic acid ester kind solvent, itself and deionized water intermiscibility are bad, but the effect by cosolvent and surfactant, the two can be combined into the aqueous cleaning agent of homogeneous neutrality.The dissolution characteristics that this cleaning agent can have solution has embodied the no flash-point of water, the characteristic that security is good again.
In the spray Cleaning for High Capacity process, the liquid medicine temperature is controlled at 30 ℃-40 ℃, sprays about 300-350 second.
Air-dry time is controlled at 400-450 second in the air-dry step.Can adopt complete pneumatic cleaning machine one to finish in two steps.Complete pneumatic cleaning facility spray, air-dry function, its spray, air-dry duration can be adjusted, and have cleaning agent filtration, restoring function.
Each tool of air-dry back adopts for example DB-D4 of macromolecular material, and it is sticking from handling once or once to carry out molecule.DB-D4 macromolecular material inboard has viscosity, can produce Van der Waals molecular force with the tool contact, and removal is clung in the residue and the surface contamination that the tool surface can not cleaned up.
Aqueous cleaning agent is recycled, recycles all after dates when it reaches, and waste liquid is reclaimed do the danger wastes management, and give back producer and do and can reuse after reduction is handled.Outwards do not discharge any pollutant, environmental protection and energy saving in the whole like this cleaning process.
In the electronic product manufacturing, in the PCB tool cleaning processes such as steel mesh, organic washing agent discharging has immeasurable harm and hidden danger to environment, safety in production.Use aqueous cleaning agent and the sticking new technology of molecule nontoxic, recyclable degraded instead, eliminated disposal of pollutants and potential safety hazard, reduced the cleaning cost simultaneously from processing.Evidence: adopt the supporting pneumatic cleaning machine of organic washing agent: under production capacity fully loaded situation, article 10, streamline moved 29 working days in every month, ran without interruption in 24 hours, by the frequency measurement of cleaning a tool in per 4 hours, the discarded organic washing agent of discharging in every month of every cleaning machine is 767 liters (about 621.4kg).Technology of the present invention is used every cleaning machine of aqueous cleaning agent to use the amount of cleaning agent then to have only 112.23kg in every month, and can all be reclaimed reduction and handle under above-mentioned equal conditions, recycles, and does not have discharging.
Contrast is got off: the new technology use cost can reduce by 31.2%, and the use amount that is mainly reflected in solvent reduces, and changes the frequency and reduces, and does not also calculate here because of cleaning the indirect cost that the more thorough fraction defective that causes reduces; If consider that fraction defective reduces this factor, cost reduces will be higher than 31.2%, and its effect in energy saving and environmental protection is remarkable.
Above-mentioned specific embodiment only is the preferred implementation of the method for the invention; it can not be interpreted as limiting the scope of the invention; do not conceive under the prerequisite breaking away from the present invention, any minor variations that the present invention did is all belonged to this protection scope of the present invention with modifying.
Claims (7)
1. wiring board processing jig cleaning, step is:
(1) adopt pneumatic cleaning machine hydrous water based cleaning agent to spray;
(2) adopt pneumatic cleaning machine air-dry;
(3) it is sticking from processing to use macromolecular material that the tool after air-dry is carried out molecule.
2. wiring board processing jig cleaning according to claim 1, it is characterized in that: aqueous cleaning agent contains described in the step (1): the esters solvent of the halogen-free binary organic acid of 5～35wt%, the halogen-free polyalcohols solvent of 1～10wt%, the halogen-free non-ionic surface active agent of 0.05-0.5wt%, surplus are deionized water.
3. wiring board processing jig cleaning according to claim 1 is characterized in that: described macromolecular material adopts DB-D4.
4. wiring board processing jig cleaning according to claim 1 is characterized in that: cleaning temperature is controlled at 30 ℃-40 ℃ in the step (1), and spray time is controlled at 300-350 second.
5. wiring board processing jig cleaning according to claim 1 is characterized in that: air-dry time is controlled at 400-450 second in the step (2).
6. wiring board processing jig cleaning according to claim 1 is characterized in that: it is sticking from handling once or once that each tool of air-dry back adopts macromolecular material to carry out molecule.
7. according to any described wiring board processing jig cleaning among the claim 1-6, it is characterized in that: described step also comprises the step that the aqueous cleaning agent that reaches the cycle of recycling is recycled after (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101190847A CN102218417A (en) | 2011-05-10 | 2011-05-10 | Cleaning technology of circuit board manufacturing jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101190847A CN102218417A (en) | 2011-05-10 | 2011-05-10 | Cleaning technology of circuit board manufacturing jig |
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| Publication Number | Publication Date |
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| CN102218417A true CN102218417A (en) | 2011-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101190847A Pending CN102218417A (en) | 2011-05-10 | 2011-05-10 | Cleaning technology of circuit board manufacturing jig |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706007A (en) * | 2018-12-18 | 2019-05-03 | 珠海顺泽科技股份有限公司 | A kind of Printing screen cleaning liquid composition |
| CN111171970A (en) * | 2020-01-21 | 2020-05-19 | 苏州市晶协高新电子材料有限公司 | Welding slag cleaning method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0894288A (en) * | 1994-09-22 | 1996-04-12 | Joji Nakagawa | Cleaning method for air conditioner |
| JP2002214576A (en) * | 2001-01-18 | 2002-07-31 | Seiko Epson Corp | Method for cleaning liquid crystal substrate |
| CN1868620A (en) * | 2005-05-27 | 2006-11-29 | 中芯国际集成电路制造(上海)有限公司 | Method of effectively reducing dirt particle on semiconductor chip surface |
| CN201067747Y (en) * | 2007-07-09 | 2008-06-04 | 深圳市隆威自动化科技有限公司 | Cleaning device for steel net template |
| CN101503648A (en) * | 2009-02-26 | 2009-08-12 | 深圳市合明科技有限公司 | Water-based cleaning agent for SMT printing screen |
| WO2010010368A1 (en) * | 2008-07-24 | 2010-01-28 | Meso Limited | Cleaning device |
-
2011
- 2011-05-10 CN CN2011101190847A patent/CN102218417A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0894288A (en) * | 1994-09-22 | 1996-04-12 | Joji Nakagawa | Cleaning method for air conditioner |
| JP2002214576A (en) * | 2001-01-18 | 2002-07-31 | Seiko Epson Corp | Method for cleaning liquid crystal substrate |
| CN1868620A (en) * | 2005-05-27 | 2006-11-29 | 中芯国际集成电路制造(上海)有限公司 | Method of effectively reducing dirt particle on semiconductor chip surface |
| CN201067747Y (en) * | 2007-07-09 | 2008-06-04 | 深圳市隆威自动化科技有限公司 | Cleaning device for steel net template |
| WO2010010368A1 (en) * | 2008-07-24 | 2010-01-28 | Meso Limited | Cleaning device |
| CN101503648A (en) * | 2009-02-26 | 2009-08-12 | 深圳市合明科技有限公司 | Water-based cleaning agent for SMT printing screen |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706007A (en) * | 2018-12-18 | 2019-05-03 | 珠海顺泽科技股份有限公司 | A kind of Printing screen cleaning liquid composition |
| CN111171970A (en) * | 2020-01-21 | 2020-05-19 | 苏州市晶协高新电子材料有限公司 | Welding slag cleaning method |
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Application publication date: 20111019 |