CN114160331A - FEVE low-temperature fluorocarbon spraying process - Google Patents
FEVE low-temperature fluorocarbon spraying process Download PDFInfo
- Publication number
- CN114160331A CN114160331A CN202111238194.5A CN202111238194A CN114160331A CN 114160331 A CN114160331 A CN 114160331A CN 202111238194 A CN202111238194 A CN 202111238194A CN 114160331 A CN114160331 A CN 114160331A
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- Prior art keywords
- spraying
- box body
- feve
- plate
- movably connected
- Prior art date
- 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.)
- Pending
Links
- 238000005507 spraying Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 27
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 64
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 64
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000005254 chromizing Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 239000003431 cross linking reagent Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000005238 degreasing Methods 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 229920003180 amino resin Polymers 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 description 8
- 230000002457 bidirectional effect Effects 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
Abstract
The invention discloses a FEVE low-temperature fluorocarbon spraying process, wherein a spraying and cold-curing device adopted in the process comprises a box body, turntables are arranged at the upper end and the lower end of the box body, two groups of corresponding first open grooves are arranged on the turntables, moving blocks are movably connected in the first open grooves, one ends of the moving blocks are movably connected with a mounting plate through rotating shafts, second open grooves are arranged on the mounting plate, mounting blocks which are driven through a transmission device are movably connected at the two ends in the second open grooves, hollow clamping plates with clamping holes are movably connected in the mounting plates, electric push rods are arranged in the first open grooves, second motors connected with the rotating shafts are arranged at the upper ends of the moving blocks, and spraying devices are arranged on the inner walls of the two sides of the box body. According to the invention, the hollow clamping plate is used for vertically clamping the aluminum single plate, so that two surfaces of the aluminum single plate can be simultaneously sprayed, and after spraying, the second motor drives the aluminum single plate to rotate, so that the spraying and cold curing efficiency is higher, and the processing efficiency of the aluminum single plate is improved on the whole process.
Description
Technical Field
The invention relates to the field of fluorocarbon aluminum veneers, in particular to a FEVE low-temperature fluorocarbon spraying process.
Background
The surface of the fluorocarbon aluminum veneer is generally subjected to pre-treatment such as chromizing, pickling and drying, then is subjected to spraying treatment by adopting fluorocarbon coating, a spraying device in the prior art can only spray a single surface of the aluminum veneer, then is subjected to spraying treatment of another surface after cold curing treatment, then is subjected to cold curing treatment again, and then is subjected to inspection and packaging, so that more time can be wasted in the spraying and cold curing processes of the aluminum veneer, and the production efficiency of the aluminum veneer is greatly reduced.
Disclosure of Invention
The invention mainly aims to provide a FEVE low-temperature fluorocarbon spraying process, an aluminum single plate is vertically clamped by a hollow clamping plate through a device, two surfaces of the aluminum single plate are conveniently sprayed simultaneously, the spraying efficiency is high, the aluminum single plate is driven to rotate by a second motor after spraying, the cold curing efficiency of the aluminum single plate is higher, and the processing efficiency of the aluminum single plate is improved on the whole process. The device of the invention can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a FEVE low-temperature fluorocarbon spraying process comprises the following steps:
the method comprises the following steps: polishing the aluminum veneer to be sprayed;
step two: degreasing the polished aluminum veneer;
step three: chromizing the degreased aluminum veneer in the second step;
step four: acid washing the aluminum veneer subjected to chromizing in the third step;
step five: drying the aluminum veneer after acid washing in the fourth step;
step six: placing the aluminum single plate dried in the fifth step into a spraying and cold curing device to spray fluorocarbon paint on both sides;
step seven: carrying out cold curing treatment on the aluminum veneer sprayed in the sixth step in a spraying cold curing device;
step eight: taking out the aluminum veneer after cold curing in the seventh step for inspection;
step nine: packaging the aluminum veneer finished product qualified in the step eight;
wherein the spraying and cold-curing device adopted in the process comprises a box body supported by a support column, the upper end and the lower end of the box body are provided with corresponding turntables, a transmission shaft driven by a first motor is arranged between the turntables, two groups of corresponding first open slots are arranged on the corresponding turntables, moving blocks are respectively and movably connected in the corresponding first open slots, one opposite ends of the moving blocks are movably connected with a mounting plate through a rotating shaft, the mounting plate is provided with a second open slot, two corresponding mounting blocks are movably connected at two ends in the second open slot, a transmission device for enabling the mounting blocks to move oppositely or reversely is arranged in the second open slot, a hollow clamping plate is movably connected in the mounting plate, a plurality of clamping holes are arranged at the clamping part of the hollow clamping plate, and a negative pressure device connected with the hollow clamping plate is arranged on the mounting plate, an electric push rod connected with the moving block is arranged in a first open slot of the rotary table positioned at the upper end of the box body, a second motor connected with the rotating shaft is arranged at the upper end of the moving block, spraying devices are arranged on the inner walls of the two sides of the box body, and a switch door is arranged at one end, far away from the spraying devices, of the box body.
Furthermore, transmission reports two-way threaded rod and the pin rod of setting in the second open slot, be provided with two-way threaded hole and the pinhole corresponding with two-way threaded rod and pin rod on the installation piece, the installation piece passes through two-way threaded hole and pinhole and two-way threaded rod and is connected with the pin rod, the one end of mounting panel is passed through the third motor and is connected with two-way threaded rod.
Further, the negative pressure device comprises a negative pressure machine installed on the installation plate, and the negative pressure machine is connected with one end of the hollow clamping plate through an elastic hose.
Furthermore, the spraying device comprises a spraying header pipe which is embedded in the side walls of the two ends of the box body, a plurality of spraying nozzles are arranged on one side of the spraying header pipe relative to the inside of the box body, and a connecting pipe is arranged on one side of the spraying header pipe relative to the outside of the box body.
Furthermore, corresponding sliding blocks are arranged on two sides of the moving block, sliding grooves corresponding to the sliding blocks are arranged in the first open grooves, and the moving block is movably connected with the sliding grooves through the sliding blocks.
Furthermore, a partition plate is arranged between two adjacent groups of the first openings.
Further, a cross-linking agent is added into the fluorocarbon coating, and the cross-linking agent is amino resin.
Furthermore, the middle part of the mounting block is provided with a hollow clamping sliding hole corresponding to the hollow clamping plate, and the hollow clamping plate is movably connected with the mounting block through the hollow clamping sliding hole.
The working principle is as follows: after the aluminum veneer is subjected to sheet metal, polishing, degreasing, chromizing, acid washing and drying, the relative distance of the mounting blocks is adjusted through a transmission device, four corners of the aluminum veneer are placed on the hollow clamping plate, the relative distance between the mounting blocks is adjusted through the transmission device, so that the hollow clamping plate can clamp and fix four corners of the aluminum single plate, the negative pressure device is started to generate negative pressure, the clamping holes on the hollow clamping plate adsorb the four corners of the aluminum single plate, the clamping stability of the aluminum single plate is kept, then the two surfaces of the aluminum veneer are sprayed by a spraying device, at the moment, the movable block can be pushed to move by an electric push rod, thereby make aluminium veneer can two faces carry out comprehensive spraying, after the spraying, drive the carousel through first motor and rotate, the aluminium veneer that will spray is rotatory to switch door one side, drives aluminium veneer through the second motor and rotates to carry out the cold cure and handle.
Has the advantages that: vertical centre gripping is carried out the aluminium veneer through hollow grip block, conveniently carries out the simultaneous spraying to two faces of aluminium veneer, and spraying efficiency is higher, drives the aluminium veneer rotation through the second motor after the spraying for aluminium veneer cold cure efficiency is higher, thereby has improved the machining efficiency of aluminium veneer on whole technology.
Drawings
FIG. 1 is a schematic view of the overall structure of the spray cold-curing device of the present invention.
FIG. 2 is a schematic view of the internal structure of the case of the present invention.
FIG. 3 is a schematic view of the structure of the mounting plate of the present invention.
FIG. 4 is a schematic view of the structure of the hollow clamping plate portion of the present invention.
In the figure: 1, a box body; 2, supporting columns; 3, rotating the disc; 4, a partition board; 5 a first open slot; 6 moving the block; 7, a transmission shaft; 8, mounting a plate; 10 a second motor; 11 a rotating shaft; 12 a second open slot; 13 mounting a block; 14 bidirectional threaded holes; 15 pin holes; 16 a bidirectional threaded rod; 17 a pin rod; 18 a third motor; 19 hollow clamping slide holes; 20 a hollow clamping plate; 22 a clamping hole; 23, a negative pressure machine; 24 an elastic hose; 25 a first motor; 26 a spray header pipe; 27 a spray nozzle; 28 connecting pipes; 29 opening and closing the door; 30 electric push rod; 31 a slider; 32 chutes.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-4, a FEVE low temperature fluorocarbon spray process includes the following steps:
the method comprises the following steps: polishing the aluminum veneer to be sprayed;
step two: degreasing the polished aluminum veneer;
step three: chromizing the degreased aluminum veneer in the second step;
step four: acid washing the aluminum veneer subjected to chromizing in the third step;
step five: drying the aluminum veneer after acid washing in the fourth step;
step six: placing the aluminum single plate dried in the fifth step into a spraying and cold curing device to spray fluorocarbon paint on both sides;
step seven: carrying out cold curing treatment on the aluminum veneer sprayed in the sixth step in a spraying cold curing device;
step eight: taking out the aluminum veneer after cold curing in the seventh step for inspection;
step nine: packaging the aluminum veneer finished product qualified in the step eight;
wherein the spraying and cold-curing device adopted in the process comprises a box body 1 supported by a support column 2, corresponding rotary tables 3 are arranged at the upper end and the lower end of the box body 1, a transmission shaft 7 driven by a first motor 25 is arranged between the rotary tables 3, two groups of corresponding first open grooves 5 are arranged on the corresponding rotary tables 3, moving blocks 6 are respectively and movably connected in the corresponding first open grooves 5, opposite ends of the moving blocks 6 are movably connected with mounting plates 8 through rotating shafts 11, second open grooves 12 are arranged on the mounting plates 8, corresponding mounting blocks 13 are movably connected at two ends in the second open grooves 12, a transmission device for enabling the mounting blocks 13 to move oppositely or reversely is arranged in the second open grooves 12, a hollow clamping plate 20 is movably connected in the mounting blocks 13, and a plurality of clamping holes 22 are arranged at the clamping part of the hollow clamping plate 20, the vacuum spraying device is characterized in that a negative pressure device connected with the hollow clamping plate 20 is arranged on the mounting plate 8, an electric push rod 30 connected with a moving block 6 is arranged in a first open slot 5 of a rotary disc 3 positioned at the upper end of the box body 1, a second motor 10 connected with a rotating shaft 11 is arranged at the upper end of the moving block 6, spraying devices are arranged on the inner walls of the two sides of the box body 1, and a switch door 29 is arranged at one end, far away from the spraying devices, of the box body 1.
The transmission device comprises a bidirectional threaded rod 16 and a pin rod 17 which are arranged in a second open slot 12, a bidirectional threaded hole 14 and a pin hole 15 which correspond to the bidirectional threaded rod 16 and the pin rod 17 are arranged on an installation block 13, the installation block 13 is connected with the pin rod 17 through the bidirectional threaded hole 14 and the pin hole 15 and the bidirectional threaded rod 16, and one end of an installation plate 8 is connected with the bidirectional threaded rod 16 through a third motor 18.
Wherein, the negative pressure device comprises a negative pressure machine 23 arranged on the mounting plate 8, and the negative pressure machine 23 is connected with one end of the hollow clamping plate 20 through an elastic hose 24.
The spraying device comprises a spraying header pipe 26 embedded on the side walls of two ends of the box body 1, a plurality of spraying nozzles 27 are arranged on one side of the spraying header pipe 26 relative to the inside of the box body 1, and a connecting pipe 28 is arranged on one side of the spraying header pipe 26 relative to the outside of the box body 1.
The two sides of the moving block 6 are provided with corresponding sliding blocks 31, the first opening groove 5 is internally provided with a sliding groove 32 corresponding to the sliding block 31, and the moving block 6 is movably connected with the sliding groove 32 through the sliding block 31.
Wherein, a partition plate 4 is arranged between two adjacent groups of first opening grooves 5.
Wherein a cross-linking agent is added into the fluorocarbon coating, and the cross-linking agent is amino resin.
The middle part of the mounting block 13 is provided with a hollow clamping sliding hole 19 corresponding to the hollow clamping plate 20, and the hollow clamping plate 20 is movably connected with the mounting block 13 through the hollow clamping sliding hole 19.
Example (b): after the aluminum veneer is subjected to sheet metal, polishing, degreasing, chromizing, pickling and drying, the relative distance of the mounting blocks 13 is adjusted through the transmission device, four corners of the aluminum veneer are placed on the hollow clamping plate 20, the relative distance between the mounting blocks 13 is adjusted through the transmission device, so that the four corners of the aluminum veneer can be clamped and fixed by the hollow clamping plate 20, the negative pressure device is started to generate negative pressure, the clamping holes 22 in the hollow clamping plate 20 adsorb the four corners of the aluminum veneer, the clamping of the aluminum veneer is kept stable, then the two surfaces of the aluminum veneer are sprayed by the spraying device, the moving block 6 can be pushed by the electric push rod 30 to move, so that the aluminum veneer can be sprayed on the two surfaces comprehensively, after the spraying is finished, the rotary table 3 is driven to rotate through the first motor 25, the sprayed aluminum veneer is rotated to one side of the switch door 29, the aluminum veneer is driven to rotate through the second motor 10, thereby performing a cold setting process.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. A FEVE low-temperature fluorocarbon spraying process is characterized in that: the process comprises the following steps:
the method comprises the following steps: polishing the aluminum veneer to be sprayed;
step two: degreasing the polished aluminum veneer;
step three: chromizing the degreased aluminum veneer in the second step;
step four: acid washing the aluminum veneer subjected to chromizing in the third step;
step five: drying the aluminum veneer after acid washing in the fourth step;
step six: placing the aluminum single plate dried in the fifth step into a spraying and cold curing device to spray fluorocarbon paint on both sides;
step seven: carrying out cold curing treatment on the aluminum veneer sprayed in the sixth step in a spraying cold curing device;
step eight: taking out the aluminum veneer after cold curing in the seventh step for inspection;
step nine: packaging the aluminum veneer finished product qualified in the step eight;
wherein the spraying and cold-curing device adopted in the process comprises a box body supported by a support column, the upper end and the lower end of the box body are provided with corresponding turntables, a transmission shaft driven by a first motor is arranged between the turntables, two groups of corresponding first open slots are arranged on the corresponding turntables, moving blocks are respectively and movably connected in the corresponding first open slots, one opposite ends of the moving blocks are movably connected with a mounting plate through a rotating shaft, the mounting plate is provided with a second open slot, two corresponding mounting blocks are movably connected at two ends in the second open slot, a transmission device for enabling the mounting blocks to move oppositely or reversely is arranged in the second open slot, a hollow clamping plate is movably connected in the mounting plate, a plurality of clamping holes are arranged at the clamping part of the hollow clamping plate, and a negative pressure device connected with the hollow clamping plate is arranged on the mounting plate, an electric push rod connected with the moving block is arranged in a first open slot of the rotary table positioned at the upper end of the box body, a second motor connected with the rotating shaft is arranged at the upper end of the moving block, spraying devices are arranged on the inner walls of the two sides of the box body, and a switch door is arranged at one end, far away from the spraying devices, of the box body.
2. A FEVE low temperature fluorocarbon spray coating process as claimed in claim 1 wherein: the transmission reports two-way threaded rod and the pin rod of setting in the second open slot, be provided with two-way threaded hole and the pinhole corresponding with two-way threaded rod and pin rod on the installation piece, the installation piece passes through two-way threaded hole and pinhole and two-way threaded rod and is connected with the pin rod, the one end of mounting panel is passed through the third motor and is connected with two-way threaded rod.
3. A FEVE low temperature fluorocarbon spray coating process as claimed in claim 1 wherein: the negative pressure device comprises a negative pressure machine installed on the installation plate, and the negative pressure machine is connected with one end of the hollow clamping plate through an elastic hose.
4. A FEVE low temperature fluorocarbon spray coating process as claimed in claim 1 wherein: the spraying device comprises a spraying header pipe which is embedded in the side walls of the two ends of the box body, a plurality of spraying nozzles are arranged on one side of the spraying header pipe relative to the inside of the box body, and a connecting pipe is arranged on one side of the spraying header pipe relative to the outside of the box body.
5. A FEVE low temperature fluorocarbon spray coating process as claimed in claim 1 wherein: corresponding sliding blocks are arranged on two sides of the moving block, sliding grooves corresponding to the sliding blocks are arranged in the first open grooves, and the moving block is movably connected with the sliding grooves through the sliding blocks.
6. A FEVE low temperature fluorocarbon spray coating process as claimed in claim 1 wherein: and a partition plate is arranged between two adjacent groups of the first openings.
7. A FEVE low temperature fluorocarbon spray coating process as claimed in claim 1 wherein: and a cross-linking agent is added into the fluorocarbon coating, and the cross-linking agent is amino resin.
8. A FEVE low temperature fluorocarbon spray coating process as claimed in claim 1 wherein: the middle part of the mounting block is provided with a hollow clamping slide hole corresponding to the hollow clamping plate, and the hollow clamping plate is movably connected with the mounting block through the hollow clamping slide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111238194.5A CN114160331A (en) | 2021-10-25 | 2021-10-25 | FEVE low-temperature fluorocarbon spraying process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111238194.5A CN114160331A (en) | 2021-10-25 | 2021-10-25 | FEVE low-temperature fluorocarbon spraying process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114160331A true CN114160331A (en) | 2022-03-11 |
Family
ID=80477247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111238194.5A Pending CN114160331A (en) | 2021-10-25 | 2021-10-25 | FEVE low-temperature fluorocarbon spraying process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114160331A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308589A (en) * | 2014-11-16 | 2015-01-28 | 重庆天运汽车配件有限公司 | Parallelogram holding device |
| CN110899040A (en) * | 2019-12-03 | 2020-03-24 | 河南飞龙(芜湖)汽车零部件有限公司 | Spraying device of automobile water pump |
| CN111790543A (en) * | 2020-06-23 | 2020-10-20 | 刘兵 | Spraying device is used in PCB board production |
-
2021
- 2021-10-25 CN CN202111238194.5A patent/CN114160331A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308589A (en) * | 2014-11-16 | 2015-01-28 | 重庆天运汽车配件有限公司 | Parallelogram holding device |
| CN110899040A (en) * | 2019-12-03 | 2020-03-24 | 河南飞龙(芜湖)汽车零部件有限公司 | Spraying device of automobile water pump |
| CN111790543A (en) * | 2020-06-23 | 2020-10-20 | 刘兵 | Spraying device is used in PCB board production |
Non-Patent Citations (3)
| Title |
|---|
| 华健: "《现代汽车制造工艺学》", 31 May 2012, 上海交通大学出版社 * |
| 廖健: "《铝合金挤压材生产与应用》", 31 March 2018, 冶金工业出版社 * |
| 王锡春: "《涂装车间设计手册》", 31 July 2019, 化学工业出版社 * |
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Application publication date: 20220311 |