CN1069530A - Large-area once operation precise brushing plating technology - Google Patents
Large-area once operation precise brushing plating technology Download PDFInfo
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- CN1069530A CN1069530A CN 91106771 CN91106771A CN1069530A CN 1069530 A CN1069530 A CN 1069530A CN 91106771 CN91106771 CN 91106771 CN 91106771 A CN91106771 A CN 91106771A CN 1069530 A CN1069530 A CN 1069530A
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Abstract
Large-area once operation precise brushing plating technology makes a brush plating of big area workpiece finish and guarantee the accurate and smooth finish raising of size of workpiece.Belong to field of metal surface treatment technology.
Brush-plating solution used herein has very strong " property held " and stability, the soluble metal anode that is used, make pictograph type anode and in the brush plating construction, guarantee resistance homogeneity between negative electrode and the anode, solution distributing uniformity on speed of relative movement equivalence and the surfacing by the size of the shape of workpiece and area.Like this, a brush plating of big area workpiece is finished, and thickness of coating is even, smooth finish improves, and needn't can assemble use by ground finish.
Description
The present invention is with big area pictograph type soluble metal anode and special brush-plating solution, a brush plating of big area workpiece such as paper machine dryer is finished, and can be guaranteed the Technology that all even smooth finish of thickness of coating improves.Belong to field of metal surface treatment technology.
Up to the present, China and when big area workpiece such as paper machine dryer (brush plating area at φ more than 1500 * 1050) etc. being carried out coating surface abroad all adopts the groove depositing process, i.e. chrome-plated process usually.Because line length is produced in chromium plating, equipment is huge, and plating bath is seriously poisoned and defective such as expense costliness, has limited its use range and practical value.
Recently, also the someone attempts to adopt brush-plating technique to carry out the big area plating.But, can only carry out brush plating gradually to big area workpiece piecemeal owing to reasons such as the too little and plating solution performance differences of used graphite anode area.Outcome quality is poor, far away from the groove depositing process, so can't drop into practicality.
Purpose of the present invention will overcome the two defective exactly, seeks a kind of new reliable technology, and big area workpiece such as paper machine dryer not only can be finished in a brush plating, quality of coating is fine, also require this method cheap simultaneously, equipment is simple, and is easy to use.Huge, heavy workpiece as paper machine dryer even on the paper production line board, also can carry out brush plating easily.
Of the present invention theing contents are as follows:
Therefore one, brush-plating solution used in the present invention contains very strong complexing agent and stablizer, has that very strong " property held and " stability " are suitable for using the soluble metal anode
Two, soluble metal anode used in the present invention as nickel plate, nickelalloy plate, copper alloy plate etc., according to the shape and the area of institute's brush plating workpiece, is made big area pictograph shaped metal anode, makes the whole surfacing can a brush plating plating, and does not need brush plating one by one;
Three, the present invention is in order to make thickness of coating even, and workpiece size is accurate, and smooth finish improves, and also must keep following three conditions during plating:
(1) the resistance homogeneity between negative electrode and the anode;
(2) the speed of relative movement equivalence between negative electrode each point and the anode corresponding points;
(3) homogeneity that solution distributes on the whole surfacing.
Advantage of the present invention is as follows:
The first, before the present invention, brush plating can only be carried out on small area.As internationally famous brush plating expert in the present age, U.S. Robinstein doctor work literary composition is said, and brush plating " up to the present, almost is to be used for repairing all, rather than is used for making ".Appearance of the present invention, the brush plating that is through with only are used to the situation of repairing, and have started a new field, not only are used for small area brush plating and reparation, the more important thing is to be used for big area brush plating and manufacturing;
Second, the present invention can also guarantee the thickness evenness and the dimensional precision of coating and coating finish is improved than matrix on big area, therefore many dimensional precisioies and highly polished workpiece as piston rod etc., needn't finish grind after the big area brush plating and just can directly assemble use;
The 3rd, the present invention is in the multiple solution and coating method of big area workpiece, and equipment used is the simplest, and therefore the operation most convenient can carry out the brush plating construction to big area workpiece such as paper machine dryer etc. in the production scene.So not only save the expense of dismounting, packing, transportation greatly, and significantly reduced idle cost, had huge economic benefit.
The present invention has been used for the brush plating of various paper machine dryers (being coated with drying cylinder comprising casting) such as φ 2500 * 1450 and the brush plating reparation of old drying cylinder.Also be used for the brush plating and the brush plating reparation of oil cylinder piston bars such as φ 28 * 8500 oil field oil pumping polish rods, φ 110 * 2800 injection moulding machine brother woods posts, φ 63 * 2200, have wide practical value and huge social economic benefit.
Claims (1)
1, a kind of large-area once operation precise brushing plating technology, this technology is used anode and brush plating liquid.It is characterized in that: the big area pictograph type anode that needs the use soluble metal to make; And in the brush plating construction, also need guarantee the resistance homogeneity between negative electrode and the anode, solution distributing uniformity on speed of relative movement equivalence between negative electrode and the anode and the surfacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91106771 CN1069530A (en) | 1991-08-10 | 1991-08-10 | Large-area once operation precise brushing plating technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91106771 CN1069530A (en) | 1991-08-10 | 1991-08-10 | Large-area once operation precise brushing plating technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1069530A true CN1069530A (en) | 1993-03-03 |
Family
ID=4908151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91106771 Pending CN1069530A (en) | 1991-08-10 | 1991-08-10 | Large-area once operation precise brushing plating technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1069530A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101506409B (en) * | 2006-07-25 | 2010-12-08 | 费德罗-莫格尔公司 | Process and apparatus for plating articles |
| CN102943294A (en) * | 2012-11-15 | 2013-02-27 | 武汉船用机械有限责任公司 | Large-scale ball head size chromium plating device |
-
1991
- 1991-08-10 CN CN 91106771 patent/CN1069530A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101506409B (en) * | 2006-07-25 | 2010-12-08 | 费德罗-莫格尔公司 | Process and apparatus for plating articles |
| CN102943294A (en) * | 2012-11-15 | 2013-02-27 | 武汉船用机械有限责任公司 | Large-scale ball head size chromium plating device |
| CN102943294B (en) * | 2012-11-15 | 2015-08-12 | 武汉船用机械有限责任公司 | A kind of large-scale ball size chrome-plating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |