CN100493737C - Manufacturing technique for painting automobiles - Google Patents
Manufacturing technique for painting automobiles Download PDFInfo
- Publication number
- CN100493737C CN100493737C CNB2006100390690A CN200610039069A CN100493737C CN 100493737 C CN100493737 C CN 100493737C CN B2006100390690 A CNB2006100390690 A CN B2006100390690A CN 200610039069 A CN200610039069 A CN 200610039069A CN 100493737 C CN100493737 C CN 100493737C
- Authority
- CN
- China
- Prior art keywords
- electrophoresis
- suspender
- manufacturing technique
- painting dressing
- phosphatization
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 50
- 238000004519 manufacturing process Methods 0.000 title claims description 30
- 238000010422 painting Methods 0.000 title claims description 15
- 238000001962 electrophoresis Methods 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000005406 washing Methods 0.000 claims abstract description 9
- 239000008367 deionised water Substances 0.000 claims abstract description 7
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims description 34
- 238000005238 degreasing Methods 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 11
- 210000005056 cell body Anatomy 0.000 claims description 10
- 240000009087 Crescentia cujete Species 0.000 claims description 6
- 235000005983 Crescentia cujete Nutrition 0.000 claims description 6
- 235000009797 Lagenaria vulgaris Nutrition 0.000 claims description 6
- 238000002161 passivation Methods 0.000 claims description 6
- 238000002242 deionisation method Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000001934 delay Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 230000011218 segmentation Effects 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 238000000576 coating method Methods 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 4
- 239000008213 purified water Substances 0.000 abstract 2
- 230000003750 conditioning effect Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 102100029469 WD repeat and HMG-box DNA-binding protein 1 Human genes 0.000 description 1
- 101710097421 WD repeat and HMG-box DNA-binding protein 1 Proteins 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
A coating technology for car includes such steps as cleaning surface, pre-removing oil, removing oil, washing with purified water, conditioning surface, phosphorizing, washig with purified water again, passivating, washing with deionized water, electrophoresis, washing with UF solution twice, and washing with deionized water again.
Description
Technical field:
The invention belongs to automobile production technology field, specifically, relate to a kind of manufacturing technique for painting dressing automobiles.
Background technology
Usually, in the coating process of body of a motor car, the mechanization operation of vehicle body is the production main artery in application workshop always, and pre-treatment, electrophoresis conveying equipment are because working environment is relatively poor, need stand the continuous erosion of acid, alkali, organic solvent, to under the environment of high temperature, high humidity, long-time continuous move, selection for conveying equipment has very high requirement, conventional processes is that Coating Pretreatment, electrophoresis conveying equipment are used a wider cover mechanization in automobile industry and carried operation, has possessed that plane conveying, vertical lift, suspender are waved, the long-pending numerous advantages such as storage of leaving with.
But, traditional production technology and traditional automatic carriage operation can not satisfy production in enormous quantities, this main because: need pass through pre-cleaning at the Coating Pretreatment electrophoresis, pre-degreasing, degreasing, 1 st pure water is washed, table is transferred, phosphatization, second pure water is washed, passivation, a deionization washing, electrophoresis, one time UF liquid is washed, secondary UF liquid is washed, secondary deionized water is washed 13 procedures, and it is all different at its desired process treatment time of per pass operation, such as degreasing, phosphatization, these critical processes of electrophoresis are removed the lifting time of cucurbit operation itself voluntarily, about 180 seconds of the process time of its requirement, and 1 st pure water is washed, second pure water such as washes at about 120 seconds of the process time that requires, table is in harmonious proportion process time that passivation requires just still less, when utilizing traditional operation of cucurbit voluntarily to carry, degreasing, phosphatization, these critical processes of electrophoresis are longer owing to the process time, after finishing, the vehicle body of other operations needs to wait for and can not continuity production, particularly the electrophoresis operation has just become production " bottleneck ", has influenced the raising of productive temp greatly.
Summary of the invention:
Technical problem to be solved by this invention is, overcomes in body of a motor car finishing line production technology, and the technical problem that can not produce in enormous quantities, and a kind of manufacturing technique for painting dressing automobiles is provided.
Design of the present invention is, a kind of manufacturing technique for painting dressing automobiles is provided, comprise that pre-cleaning operation, pre-degreasing process, degreasing process, 1 st pure water wash operation, table and transfer operation, phosphatization operation, second pure water to wash operation, passivation procedure, deionization washing operation, electrophoresis operation, UF liquid to wash that operation, secondary UF liquid are washed operation, secondary deionized water is washed operation, in the described production technology, adopt the double-stranded calabash of the PK that is provided with 3.5-4.5 meters/minutes; When relating to degreasing process, phosphatization operation and electrophoresis operation, adopt the cell body that adapts to this operation, make the average productive temp of single vehicle rise to 2.5-4.5 minutes/.
The technical solution adopted in the present invention improves productive temp in three critical processes such as degreasing process, phosphatization operation and electrophoresis operation, and traditional single groove operation is become the double flute operation, has shortened the application productive temp of single vehicle greatly; In addition, adopt 3.5-4.5 meters/minutes the double-stranded calabash of PK, can effectively be engaged in the productive temp of critical process.
Technical scheme provided by the present invention not only can improve the productive temp of single vehicle stably, guarantees large batch of production, but also has, and small investment, floor space are little, and operation and maintenance cost is low, process choice strong and the quality that helps improving product.
Description of drawings:
Fig. 1 is technological process of production figure of the present invention.
Fig. 2 is a degreasing process schematic diagram of the present invention.
Fig. 3 is an electrophoresis operation schematic diagram of the present invention.
Fig. 4 is a phosphatization operation schematic diagram of the present invention.
Fig. 5 is a prior art electrophoresis operation schematic diagram.
The specific embodiment:
As shown in Figure 1, the flow process of manufacturing technique for painting dressing of the present invention is: from the pre-cleaning operation, and------1 st pure water is washed operation, and--table is transferred operation, and----second pure water is washed operation, and--------one time UF liquid is washed operation--secondary UF liquid is washed operation--, and secondary deionized water is washed operation to the electrophoresis operation to a deionization washing operation to passivation procedure to the phosphatization operation to degreasing process to pre-degreasing process.
As shown in Figure 2: a kind of manufacturing technique for painting dressing automobiles provided by the present invention, comprise that pre-cleaning operation, pre-degreasing process, degreasing process, 1 st pure water wash operation, table and transfer operation, phosphatization operation, second pure water to wash operation, passivation procedure, deionization washing operation, electrophoresis operation, UF liquid to wash that operation, secondary UF liquid are washed operation, secondary deionized water is washed operation, in the described production technology, adopt the double-stranded calabash of the PK that is provided with 4 meters/minute; When relating to degreasing process, phosphatization operation and electrophoresis operation, employing adapts to the cell body of this operation, make the average productive temp of single vehicle rise to 2.5-4.5 minutes/, preferred single vehicle productive temp is 3--4 minute/, and preferred especially single vehicle productive temp is 3 minutes and 7 seconds/.
When the present invention relates to degreasing process, phosphatization operation and electrophoresis operation, adopt double flute also to be linked to be an integral body, the concrete productive temp of described operation is as follows: the phosphatization operation: 5 seconds-suspender of time-delay descend 37 seconds-stop 43 seconds-walking 83 seconds-stop the 5 seconds-risings-time-delay of 24 seconds-draining of rising of 40 seconds-suspender walking-30 seconds in 5 seconds.
The electrophoresis operation: 5 seconds-suspender of time-delay descend 37 seconds-stop 44 seconds-walking 82 seconds-stop the 5 seconds-rising-time-delay of 21 seconds-draining 5 seconds of rising of 43 seconds-suspender.
Degreasing process: 5 seconds-suspender of time-delay descend 40 seconds-stop 44 seconds-walking 82 seconds-stop the 5 seconds-rising-time-delay of 32 seconds-draining 5 seconds of rising of 40 seconds-suspender.
As shown in Figure 5, be the tradition electrophoresis station of cucurbit voluntarily, vehicle body just can rise to next station need to handle 180S in groove after after going into electrophoresis tank; Fig. 1 is the present invention's electrophoresis station of cucurbit voluntarily, its principle is that vehicle body is gone into electrophoresis tank from electrophoresis one station, after handling 30S, in groove, behind the walking 90S, arrive electrophoresis two stations, and it is when walking in electrophoresis tank, electrophoresis process is proceeded to handle, and its travel time also may be calculated process treatment time, and vehicle body is after arriving two stations, the body in white of back continues to enter a station into groove, and production can be carried out continuously.Be electrophoresis one station, electrophoresis two stations, the operation of pre-treatment electrophoresis is segmented, make that the process time of each operation is more reasonable.
With tradition voluntarily cucurbit 2 meters/minute the PK strand cucurbit of adopting change 4 meters/minute the double-stranded cucurbit of PK into, the rise and fall time of cucurbit in tank liquor just shortened greatly so voluntarily, traditional rise and fall need 160 second time, rise and fall of the present invention have only needed 80 second time just, have improved 2 times technology beat.
Described electrophoresis operation has changed traditional voltage mode of movement, and the voltage pipeline is directly connected to the top of suspender, switching on and off with programme-control voltage again.
Described electrophoresis operation is owing to elongated cell body, adopt the mode of electrophoresis limit, limit low-speed running, ability cathode electrophoresis is divided into two sections different voltage segmentations of low pressure and high pressure section to be controlled, vehicle body links to each other with cathode line on the suspender by the locking of the fulcrum on the cucurbit suspender voluntarily and the bus-bar formation loop of electrophoresis platform top, the bus-bar of low pressure and high pressure is spaced from each other, when low pressure and high pressure conversion, utilize time delays to carry out transition, avoided the generation of spark phenomenon.
In the technical scheme provided by the present invention, the suspender of cucurbit is walked in groove voluntarily needs to guarantee its stationarity, increase the guide rail of two suspender both sides walking directive wheels on the both sides of cell body, this guide rail is made of stainless steel material, and be connected and fixed with nylon sheet and cell body, to guarantee its insulating properties, below leading arm, increase by two side direction multi-directional ball, prevent that the trace of suspender in advancing from rocking, suspender is when walking, directive wheel can not directly contact with guide rail, the 1-2mm of need being separated by, and utilizing voluntarily, cucurbit car group drives the operation of suspender vehicle body;
The present invention further guarantees suspender smooth running in groove, the layer flow mode of degreasing, phosphatization and electrophoresis is limited, require the laminar flow of tank liquor bottom to be consistent, can better guarantee the stationarity that suspender is walked like this in groove with the direction of vehicle body walking.
The present invention is by adding Water saving bottle and rationally adjusting the liquid level of UF tank liquor below cucurbit, can effectively solve because of traditional carrier chain drip the electrophoresis water droplet trace that causes and the technical barrier of shrinkage cavity.
In order to prevent that mistake from appearring in the station of suspender in groove, as the walking phenomenon in the groove that can not walk, occurring, cause colliding, increased the station recognition device.The mode that two kinds of identification automatic carriage place stations are arranged, the one, by a counter is set in mobile PLC, every count value adds one through a station, after following part station finishes, counter O reset; The 2nd, three code switch are arranged on each automatic carriage, discern its place station by triggering different switches, for judging whether correctly of a certain station, count value must be complementary with coding, utilizes binary cryptoprinciple, carries out different actions at different stations, when count value is not complementary with coding, electricity will have indication to send fault-signal cashier's office in a shop, expression station mistake, thus guaranteed the security that suspender is walked in groove.
Described key operation, the same as degreasing process, phosphatization operation with the electrophoresis operation, adopt above-mentioned processing step to realize equally.
If class Three's production year output of your needs is at 10～150,000 car body coating pre-processing device, mode of movement and the coating process of selecting the two parking stalls of cucurbit voluntarily as herein described to go into groove are most economical, it can select other conveying equipments will save the up to ten million units of investment than you, and all than other mode of movements very big advantage is arranged at aspects such as product quality, floor space, tank liquor pollution, maintenance maintenances
The present invention also has following features, small investment: only need two cucurbits to add a suspender and just can form one Independently carry operation, the disposable up to ten million units that reduce investment outlay. Floor space is little: it adopts rectangular channel, Than other ship shape grooves of carrying operations to adopt to lack many. At the bottom of the operation and maintenance cost: engineering is relatively simple, Parts are bought and maintenance easily, and the workload of maintenance is low. Technology selective strong: at same groove The interior formula of can selecting to soak is processed, and also can be adjusted into partly to soak half spray processing. Improve the quality of products: can solve The technical barrier that tradition carries the operation suspender to drip.
Claims (8)
1, a kind of manufacturing technique for painting dressing automobiles, comprise that pre-cleaning operation, pre-degreasing process, degreasing process, 1 st pure water wash operation, table and transfer operation, phosphatization operation, second pure water to wash operation, passivation procedure, deionization washing operation, electrophoresis operation, UF liquid to wash that operation, secondary UF liquid are washed operation, secondary deionized water is washed operation, it is characterized in that, in the described production technology, adopt the double-stranded calabash of the PK that is provided with 3.5-4.5 meters/minutes; When relating to degreasing process, phosphatization operation and electrophoresis operation, adopt the cell body that adapts to this operation, make the average productive temp of single vehicle rise to 2.5-4.5 minutes/.
2, a kind of manufacturing technique for painting dressing automobiles as claimed in claim 1 is characterized in that, when described degreasing process, phosphatization operation and electrophoresis operation, the cell body of this operation is elongated, and the productive temp of described single vehicle is 3--4 minute/.
3, a kind of manufacturing technique for painting dressing automobiles as claimed in claim 2 is characterized in that, when described degreasing process, phosphatization operation and electrophoresis operation, adopts double flute also to be linked to be an integral body, and the productive temp of described single vehicle is 3 minutes and 7 seconds/.
4, a kind of manufacturing technique for painting dressing automobiles as claimed in claim 1 is characterized in that, in the described production technology, the speed of the double-stranded calabash of described PK is 4 meters/minute.
5, a kind of manufacturing technique for painting dressing automobiles as claimed in claim 1, it is characterized in that, the suspender of described double-stranded calabash is walked in groove needs to guarantee its stationarity, increase the guide rail of two suspender both sides walking directive wheels on the both sides of cell body, this guide rail is made of stainless steel material, and be connected and fixed with nylon sheet and cell body, to guarantee its insulating properties, below leading arm, increase by two side direction multi-directional ball, prevent that the trace of suspender in advancing from rocking, suspender is when walking, and directive wheel can not directly contact with guide rail, the 1-2mm of need being separated by, utilizing voluntarily, cucurbit car group drives the operation of suspender vehicle body.
6, a kind of manufacturing technique for painting dressing automobiles as claimed in claim 1 is characterized in that, described electrophoresis operation is directly connected to the top of suspender, switching on and off with programme-control voltage again with the voltage pipeline.
7, a kind of manufacturing technique for painting dressing automobiles as claimed in claim 1, it is characterized in that, described electrophoresis operation is owing to elongated cell body, adopt the mode of electrophoresis limit, limit low-speed running, ability cathode electrophoresis is divided into two sections different voltage segmentations of low pressure and high pressure section to be controlled, vehicle body links to each other with cathode line on the suspender by the locking of the fulcrum on the cucurbit suspender voluntarily and the bus-bar formation loop of electrophoresis platform top, the bus-bar of low pressure and high pressure is spaced from each other, and utilizes time delays to carry out transition when low pressure and high pressure conversion.
8, a kind of manufacturing technique for painting dressing automobiles as claimed in claim 5 is characterized in that, the direction that the laminar flow and the vehicle body of the tank liquor of degreasing, phosphatization and electrophoresis bottom are walked is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100390690A CN100493737C (en) | 2006-03-21 | 2006-03-21 | Manufacturing technique for painting automobiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100390690A CN100493737C (en) | 2006-03-21 | 2006-03-21 | Manufacturing technique for painting automobiles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1958174A CN1958174A (en) | 2007-05-09 |
| CN100493737C true CN100493737C (en) | 2009-06-03 |
Family
ID=38070115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100390690A Active CN100493737C (en) | 2006-03-21 | 2006-03-21 | Manufacturing technique for painting automobiles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100493737C (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100586581C (en) * | 2007-10-09 | 2010-02-03 | 上汽通用五菱汽车股份有限公司 | Preprocessing method for vehicle paint base product line and device thereof |
| CN101927234B (en) * | 2009-06-24 | 2014-01-15 | 中国第一汽车集团公司 | Primerless paint system for steel workpieces |
| CN101733240B (en) * | 2009-11-25 | 2012-07-11 | 中国重汽集团成都王牌商用车有限公司 | New process for painting container of engineering dump truck |
| CN102807811B (en) * | 2012-08-17 | 2014-12-17 | 中山市优贝汽车用品科技有限公司 | Liquid automobile glazing protection coating agent capable of being cured through moisture crosslinking and preparation method and construction method thereof |
| CN103088393B (en) * | 2013-01-07 | 2015-08-26 | 昆山田盛汽车配件有限公司 | A kind of automobile panel surface treatment method |
| CN103397370A (en) * | 2013-07-03 | 2013-11-20 | 深圳市柳溪机械设备有限公司 | Automatic electrophoresis production system for cab |
| CN103436941B (en) * | 2013-08-19 | 2016-07-06 | 安徽安簧机械股份有限公司 | A kind of electrophoresis equipment suitable in automobile leaf spring and technique |
| CN104399657A (en) * | 2014-12-04 | 2015-03-11 | 江西科技学院 | Automobile body coating method |
| CN104689961A (en) * | 2015-03-23 | 2015-06-10 | 浙江华立涂装设备有限公司 | Coating pretreatment equipment |
| CN106480488B (en) * | 2015-08-28 | 2018-07-03 | 常州海登赛思涂装设备有限公司 | Interior of body auxiliary device |
| CN105457820B (en) * | 2016-01-14 | 2017-09-29 | 东莞丰卓机电设备有限公司 | A kind of intelligent streamline of Shift speed segmentally and flexible docking spraying |
| CN107201112A (en) * | 2017-05-09 | 2017-09-26 | 中国第汽车股份有限公司 | Body of a motor car composite coating and its coating process |
| CN109423683B (en) * | 2017-08-30 | 2021-03-23 | 广东新会中集特种运输设备有限公司 | Container coating system and container coating method |
| KR20200096212A (en) * | 2017-12-06 | 2020-08-11 | 그라프 시너지 에스.알.엘. | How to coat the guide |
| JP6984444B2 (en) * | 2018-01-26 | 2021-12-22 | マツダ株式会社 | Electrodeposition coating method and electrodeposition coating equipment |
| CN109304287B (en) * | 2018-11-30 | 2021-09-28 | 沈阳帕卡濑精有限总公司 | Pretreatment process suitable for high-aluminum hybrid vehicle body of whole vehicle factory |
| CN110042455A (en) * | 2019-04-15 | 2019-07-23 | 常州凯泽环保科技有限公司 | The manufacture craft of sheet metal component |
| CN112371410B (en) * | 2020-10-22 | 2021-11-02 | 东风汽车股份有限公司 | Mixed flow coating line and mixed flow coating method for standard compartment and van vehicle |
-
2006
- 2006-03-21 CN CNB2006100390690A patent/CN100493737C/en active Active
Non-Patent Citations (3)
| Title |
|---|
| 最新汽车涂装技术. 王锡春，1-449，机械工业出版社. 1999 * |
| 汽车涂装工艺技术. 王锡春，1-300，化学工业出版社. 2005 最新汽车涂装技术. 王锡春，1-449，机械工业出版社. 1999 |
| 汽车涂装工艺技术. 王锡春，1-300，化学工业出版社. 2005 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1958174A (en) | 2007-05-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100493737C (en) | Manufacturing technique for painting automobiles | |
| CN109423685B (en) | Container coating method and container coating system | |
| CN203530467U (en) | Automatic electroplating processing system with robot capable of vertically lifting hardware | |
| CN101733240B (en) | New process for painting container of engineering dump truck | |
| CN106890814A (en) | A kind of movable type cleaning system | |
| CN204550750U (en) | A kind of painting dressing automobiles pre-processing electrophoresis aerial automatic carriage automatic turning suspender | |
| CN102703959A (en) | Copper bar continuous travelling tinning method and equipment | |
| CN102407202A (en) | Assembly line for spraying paint on surface of motor | |
| CN106319595A (en) | Aluminum profile surface treatment bath solution stability control system and control method thereof | |
| CN105463553A (en) | Electrophoretic coating line pretreatment and electrophoresis apparatus | |
| CN102424368A (en) | Process for removing F, Cl and As from waste acid by hot air concentration method | |
| CN110525937A (en) | Intelligent overturning conveyor | |
| CN102765037A (en) | Process method for removing oxide skin on surface of metal wire | |
| CN104973511A (en) | Automatic turnover sling for auto-coating pre-treatment electrophoresis overhead automation vehicle | |
| CN202039145U (en) | Steel wire electroplating residual liquid removing device | |
| CN201094974Y (en) | Copper strip automatically oil removing device for coating welding producing bimetal recombination line blank | |
| CN104668165A (en) | Coating pretreatment process for electric bicycles | |
| CN206286989U (en) | A kind of Novel steel cylinder derusting device | |
| CN209210930U (en) | A kind of acid washing phosphorization product line | |
| CN209113988U (en) | A kind of mining machinery cast(ing) surface passivating device | |
| CN202238453U (en) | Motor surface painting production line | |
| CN200996050Y (en) | Aluminum-material surface treatment continuous processor with chemical polishing sequence | |
| CN110255188A (en) | It is intellectual turn over leaching conveying device and vehicle body pre-processing electrophoresis turn over soaking system and test | |
| CN201254394Y (en) | Flexible marching type continuous conveying system | |
| CN205662573U (en) | Continuous hot dipping zinc production line of parallel multiple spot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |