CN113795089B - Surface treatment process of high-speed frequency conversion plate - Google Patents
Surface treatment process of high-speed frequency conversion plate Download PDFInfo
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- CN113795089B CN113795089B CN202111107958.7A CN202111107958A CN113795089B CN 113795089 B CN113795089 B CN 113795089B CN 202111107958 A CN202111107958 A CN 202111107958A CN 113795089 B CN113795089 B CN 113795089B
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- frequency conversion
- raw materials
- treatment process
- conversion plate
- surface treatment
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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
- H05K3/28—Applying non-metallic protective coatings
- H05K3/282—Applying non-metallic protective coatings for inhibiting the corrosion of the circuit, e.g. for preserving the solderability
-
- 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
- H05K3/28—Applying non-metallic protective coatings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a surface treatment process of a high-speed frequency conversion plate, which comprises the following steps: mixing and stirring the raw materials uniformly, coating the raw materials on surface cloth through a coating machine after mixing, crushing and grinding the raw materials uniformly, drying at high temperature, and cutting the plates out of a warehouse; the surface treatment process of the high-speed frequency conversion plate is beneficial to improving the performances of heat resistance, pressure resistance, corrosion resistance, friction resistance and the like of the high-speed frequency conversion plate, so that the stability of the high-speed frequency conversion plate is stronger, and the service life of the high-speed frequency conversion plate is prolonged.
Description
Technical Field
The invention relates to the technical field of printed circuits, in particular to a surface treatment process of a high-speed frequency conversion plate.
Background
Printed circuit boards (Printed Circuit Board, PCB), also called printed circuit boards, are the basic industry of the electronics industry. The multilayer printed board is more than two layers of printed boards, and consists of connecting wires on a plurality of layers of insulating substrates and bonding pads for assembling and welding electronic elements, and has the functions of conducting each layer of circuits and insulating each other. At present, many PCBs are multi-layer boards, i.e., are formed by combining multiple layers. The circuit board is usually arranged between two high-speed frequency conversion boards during production, plays a role in protecting pressure resistance, heat insulation and the like, but the surface layer structure of the traditional high-speed frequency conversion board is single, the performances of wear resistance, heat resistance, pressure resistance and the like are poor, the service life is short, the normal use of the internal circuit board is influenced, and the loss is large.
Disclosure of Invention
The invention aims to solve the problems and provide a surface treatment process of the high-speed frequency conversion plate, which is beneficial to improving the performances of heat resistance, pressure resistance, corrosion resistance, friction resistance and the like of the high-speed frequency conversion plate, so that the stability of the high-speed frequency conversion plate is higher, and the service life of the high-speed frequency conversion plate is prolonged.
In order to achieve the above purpose, the technical scheme of the invention is as follows: a surface treatment process of a high-speed frequency conversion plate comprises the following steps:
(1) Mixing and uniformly stirring the multiple raw materials;
(2) After mixing, coating the raw materials on surface cloth by a coating machine;
(3) Uniformly rolling the high-speed variable frequency plate and the surface cloth by an upper rolling roller and a lower rolling roller;
(4) Drying at high temperature;
(5) Cutting the plate and leaving the warehouse;
wherein the multiple raw materials in the step (1) comprise PL raw materials, PEEK raw materials, PES raw materials and PI raw materials, wherein the PI raw materials account for at least 75% of the whole mixed raw materials.
Preferably, in the step (2), the mixed raw materials are scraped onto the upper surface of the surface cloth by a coater, and the lower surface of the surface cloth is bonded to the high-speed frequency conversion plate.
Preferably, in the step (3), the high-speed frequency conversion plate and the surface cloth are crushed by an upper crushing roller and a lower crushing roller, the air between the high-speed frequency conversion plate and the surface cloth is discharged by the upper crushing roller and the lower crushing roller, and the raw materials on the surface of the surface cloth are crushed uniformly and flatly.
Preferably, in the step (4), the temperature is 80 ° when the high-speed variable frequency plate enters the drying box by step high-temperature drying, and the internal temperature is gradually increased from 80 ℃ to 300 ℃ by adjusting the drying box.
Preferably, the process for cutting out the plate in the step (5) includes the following steps:
(51) Calculating the real-time area of the required high-speed variable frequency plate;
(52) Drawing two limit lines on the high-speed variable frequency plate, so that a cutter of the cutting device is arranged between the two limit lines;
(53) Adjusting the cutting angle between a cutting knife of cutting equipment and the high-speed variable frequency plate;
(54) Observing the cutting condition in real time through a monitoring system;
(55) Trimming and repairing;
(56) And (5) coding and leaving the warehouse.
Preferably, in the step (54), the monitoring system includes a camera, and the cutting condition of the cutter is queried in real time through the camera, so as to prevent the cutter from being deviated.
Preferably, the step (55) is used for repairing the cutting edge of the high-speed frequency conversion board, leaving the thread end and the burr on the cutting edge, and repairing the flatness of the cutting edge.
The invention discloses a surface treatment process of a high-speed frequency conversion plate, which comprises the following steps: mixing and stirring the raw materials uniformly, coating the raw materials on surface cloth through a coating machine after mixing, crushing a high-speed variable frequency plate and the surface cloth uniformly through an upper crushing roller and a lower crushing roller, drying at a high temperature, and cutting out plates for warehouse; the surface treatment process of the high-speed frequency conversion plate is beneficial to improving the performances of heat resistance, pressure resistance, corrosion resistance, friction resistance and the like of the high-speed frequency conversion plate, so that the stability of the high-speed frequency conversion plate is stronger, and the service life of the high-speed frequency conversion plate is prolonged.
Detailed Description
Embodiment one: the technical scheme of the invention is as follows: a surface treatment process of a high-speed frequency conversion plate comprises the following steps:
(1) Mixing and uniformly stirring the multiple raw materials;
(2) After mixing, coating the raw materials on surface cloth by a coating machine;
(3) Uniformly rolling the high-speed variable frequency plate and the surface cloth by an upper rolling roller and a lower rolling roller;
(4) Drying at high temperature;
(5) Cutting the plates and leaving the warehouse.
The various raw materials in the step (1) comprise PL raw materials (polyurethane), PEEK raw materials (polyether ether ketone), PES raw materials (resin plastic) and PI raw materials (polyimide resin), the PL raw materials, the PEEK raw materials, the PES raw materials and the PI raw materials are uniformly placed in the same stirring tank and are stirred for 1 to 3 hours, the temperature in the stirring tank is not higher than 60 ℃, the PI raw materials at least account for 75% of the whole mixed raw materials, and the ratio among the other three PL raw materials, the PEEK raw materials and the PES raw materials is 1:1.5-2:0.5-1.
In the step (2), the mixed raw materials are scraped to the upper surface of the surface cloth by a coating machine, and the lower surface of the surface cloth is bonded to a high-speed frequency conversion plate; the high-speed frequency conversion plate comprises a high-speed frequency conversion plate, wherein the upper surface and the lower surface of the high-speed frequency conversion plate are respectively provided with surface cloth, the outer side surfaces of the surface cloth are respectively coated with a raw material layer, and the surface cloth on the two side surfaces of the high-speed frequency conversion plate can play a good role in protection, so that the high-speed frequency conversion plate has good high-temperature resistance, corrosion resistance and friction resistance, and the service life of the high-speed frequency conversion plate is prolonged.
In the step (3), the high-speed frequency conversion plate and the surface cloth are crushed by the upper pressure roller and the lower pressure roller, the upper pressure roller and the lower pressure roller are mutually extruded to discharge air between the high-speed frequency conversion plate and the surface cloth, raw materials on the surface of the surface cloth are crushed evenly and flatly, and the whole flatness of the high-speed frequency conversion plate is further improved.
In the step (4), the temperature is 80 degrees when the high-speed variable frequency plate enters the drying box through stepped high-temperature drying, and the internal temperature is gradually increased from 80 ℃ to 300 ℃ through adjusting the drying box; the gradual heating of the drying box can ensure the original performances of PL raw materials, PEEK raw materials, PES raw materials and PI raw materials, so that the performances of the high-speed frequency conversion plate are more stable.
Preferably, the process for cutting out the plate material in the step (5) comprises the following steps:
(51) Calculating the real-time area of the required high-speed variable frequency plate;
(52) Drawing two limit lines on the high-speed variable frequency plate, so that a cutter of the cutting device is arranged between the two limit lines;
(53) Adjusting the cutting angle between a cutting knife of cutting equipment and the high-speed variable frequency plate;
(54) Observing the cutting condition in real time through a monitoring system;
(55) Trimming and repairing;
(56) And (5) coding and leaving the warehouse.
In the step (54), the monitoring system comprises a camera, the whole camera moves synchronously along with the cutter, at the moment, the camera can monitor the contact condition of the cutter and the high-speed variable frequency plate at any time, and the cutting condition of the cutter is inquired in real time through the camera, so that the offset, the secondary cutting and the like of the cutter are prevented; the secondary cutting is performed in the same cutting seam, the width of the cutting seam can be increased, and the cutting edges of the high-speed frequency conversion plate are not tidy.
In the step (55), the trimming of the high-speed frequency conversion board is repaired, the wire ends and burrs left by the trimming are repaired, and the trimming flatness is repaired.
Embodiment two: a surface treatment process of a high-speed frequency conversion plate comprises the following steps:
(1) Mixing and uniformly stirring the multiple raw materials;
(2) After mixing, coating the raw materials on surface cloth by a coating machine;
(3) Uniformly rolling the high-speed variable frequency plate and the surface cloth by an upper rolling roller and a lower rolling roller;
(4) Solidifying the raw materials;
(5) Cutting the plates and leaving the warehouse.
The multiple raw materials in the step (1) comprise a PL raw material (polyurethane), a PEEK raw material (polyether ether ketone), a PES raw material (resin plastic) and a PI raw material (polyimide resin), the PL raw material, the PEEK raw material, the PES raw material and the PI raw material are uniformly placed in the same stirring tank and are stirred for 1 to 3 hours, the temperature in the stirring tank is not higher than 60 ℃, the PI raw material at least accounts for 75% of the whole mixed raw material, and the proportion among the other three PL raw materials, the PEEK raw material and the PES raw material is 1:1.5-2:0.5-1.
In the step (2), the mixed raw materials are scraped to the upper surface of the surface cloth by a coating machine, and the lower surface of the surface cloth is bonded to a high-speed frequency conversion plate; the high-speed frequency conversion plate comprises a high-speed frequency conversion plate, wherein the upper surface and the lower surface of the high-speed frequency conversion plate are respectively provided with surface cloth, the outer side surfaces of the surface cloth are respectively coated with a raw material layer, and the surface cloth on the two side surfaces of the high-speed frequency conversion plate can play a good role in protection, so that the high-speed frequency conversion plate has good high-temperature resistance, corrosion resistance and friction resistance, and the service life of the high-speed frequency conversion plate is prolonged.
In the step (3), the high-speed frequency conversion plate and the surface cloth are crushed by the upper pressure roller and the lower pressure roller, the upper pressure roller and the lower pressure roller are mutually extruded to discharge air between the high-speed frequency conversion plate and the surface cloth, raw materials on the surface of the surface cloth are crushed evenly and flatly, and the whole flatness of the high-speed frequency conversion plate is further improved.
The other process steps are the same as those of the first embodiment, and the step (4) is to cure the raw material on the surface cloth by using a UV curing device, wherein the UV curing device is internally provided with UV led lamp beads, the wavelength of the UV led lamp beads is 365-395 nm, and the UV led lamp beads are used for curing the raw material, so that the adhesive capability of the raw material on the surface cloth and the adhesive capability of the surface cloth and the high-speed variable frequency plate are improved, and the overall stability is improved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (7)
1. A surface treatment process of a high-speed frequency conversion plate is characterized by comprising the following steps of: the method comprises the following steps:
(1) Mixing and uniformly stirring the multiple raw materials;
(2) After mixing, coating the raw materials on surface cloth by a coating machine;
(3) Uniformly rolling the high-speed variable frequency plate and the surface cloth by an upper rolling roller and a lower rolling roller;
(4) Drying at high temperature;
(5) Cutting the plate and leaving the warehouse;
wherein the multiple raw materials in the step (1) comprise PL raw materials, PEEK raw materials, PES raw materials and PI raw materials, wherein the PI raw materials account for at least 75% of the whole mixed raw materials.
2. The surface treatment process of the high-speed frequency conversion plate according to claim 1, wherein the surface treatment process is characterized by comprising the following steps of: in the step (2), the mixed raw materials are scraped and coated on the upper surface of the surface cloth by a coating machine, and the lower surface of the surface cloth is bonded to the high-speed frequency conversion plate.
3. The surface treatment process of the high-speed frequency conversion plate according to claim 1, wherein the surface treatment process is characterized by comprising the following steps of: in the step (3), the high-speed frequency conversion plate and the surface cloth are crushed by the upper and lower crushing rollers, the air between the high-speed frequency conversion plate and the surface cloth is discharged by the upper and lower crushing rollers, and the raw materials on the surface of the surface cloth are uniformly crushed and flattened.
4. The surface treatment process of the high-speed frequency conversion plate according to claim 1, wherein the surface treatment process is characterized by comprising the following steps of: in the step (4), the temperature is 80 degrees when the high-speed variable frequency plate enters the drying box through stepped high-temperature drying, and the internal temperature is gradually increased from 80 ℃ to 300 ℃ through adjusting the drying box.
5. The surface treatment process of the high-speed frequency conversion plate according to claim 1, wherein the surface treatment process is characterized by comprising the following steps of: the process for cutting out the plate in the step (5) comprises the following steps:
(51) Calculating the real-time area of the required high-speed variable frequency plate;
(52) Drawing two limit lines on the high-speed variable frequency plate, so that a cutter of the cutting device is arranged between the two limit lines;
(53) Adjusting the cutting angle between a cutting knife of cutting equipment and the high-speed variable frequency plate;
(54) Observing the cutting condition in real time through a monitoring system;
(55) Trimming and repairing;
(56) And (5) coding and leaving the warehouse.
6. The surface treatment process of the high-speed frequency conversion plate according to claim 5, wherein the surface treatment process is characterized in that: in the step (54), the monitoring system comprises a camera, and the cutting condition of the cutter is inquired in real time through the camera to prevent the cutter from shifting.
7. The surface treatment process of the high-speed frequency conversion plate according to claim 5, wherein the surface treatment process is characterized in that: and (3) repairing the cutting edge of the high-speed frequency conversion plate in the step (55), leaving the wire ends and burrs left from the cutting edge, and repairing the flatness of the cutting edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111107958.7A CN113795089B (en) | 2021-09-22 | 2021-09-22 | Surface treatment process of high-speed frequency conversion plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111107958.7A CN113795089B (en) | 2021-09-22 | 2021-09-22 | Surface treatment process of high-speed frequency conversion plate |
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| Publication Number | Publication Date |
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| CN113795089A CN113795089A (en) | 2021-12-14 |
| CN113795089B true CN113795089B (en) | 2023-06-27 |
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| CN202111107958.7A Active CN113795089B (en) | 2021-09-22 | 2021-09-22 | Surface treatment process of high-speed frequency conversion plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103354843A (en) * | 2011-02-10 | 2013-10-16 | 吉坤日矿日石金属株式会社 | Two-layered copper-clad laminate material, and method for producing same |
| TWI444114B (en) * | 2011-12-26 | 2014-07-01 | Chi Mei Corp | Substrate structure containing a releasing layer and method producing said substrate structure containing a releasing layer |
| KR20210059356A (en) * | 2019-11-15 | 2021-05-25 | 주식회사 엘지화학 | Film mask, manufacturing method of film mask and manufacturing method of pattern using film mask |
| CN113402738B (en) * | 2021-06-17 | 2022-10-18 | 广东翔思新材料有限公司 | Production and manufacturing process of high-frequency circuit board glass fiber substrate |
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