CN1044920C - Etching-free plating iron alloy technology - Google Patents
Etching-free plating iron alloy technology Download PDFInfo
- Publication number
- CN1044920C CN1044920C CN94112590A CN94112590A CN1044920C CN 1044920 C CN1044920 C CN 1044920C CN 94112590 A CN94112590 A CN 94112590A CN 94112590 A CN94112590 A CN 94112590A CN 1044920 C CN1044920 C CN 1044920C
- Authority
- CN
- China
- Prior art keywords
- plating
- iron alloy
- present
- etching
- brown
- 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.)
- Expired - Lifetime
Links
- 238000007747 plating Methods 0.000 title claims abstract description 61
- 229910000640 Fe alloy Inorganic materials 0.000 title claims abstract description 19
- 238000005516 engineering process Methods 0.000 title description 10
- 230000007797 corrosion Effects 0.000 claims abstract description 9
- 238000005260 corrosion Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 6
- 239000011780 sodium chloride Substances 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 4
- 230000035622 drinking Effects 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- NNBFNNNWANBMTI-UHFFFAOYSA-M brilliant green Chemical compound OS([O-])(=O)=O.C1=CC(N(CC)CC)=CC=C1C(C=1C=CC=CC=1)=C1C=CC(=[N+](CC)CC)C=C1 NNBFNNNWANBMTI-UHFFFAOYSA-M 0.000 claims description 3
- 239000008151 electrolyte solution Substances 0.000 claims description 3
- 230000003472 neutralizing effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 230000004913 activation Effects 0.000 claims 1
- 239000003788 bath preparation Substances 0.000 claims 1
- 238000010129 solution processing Methods 0.000 claims 1
- 230000003137 locomotive effect Effects 0.000 abstract description 4
- 239000010953 base metal Substances 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000009713 electroplating Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000036461 convulsion Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
Landscapes
- Electroplating Methods And Accessories (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Abstract
The present invention relates to an etching-free iron-alloy plating technique. Surface active treatment is carried out for plated components, and a whole plating process is controlled by voltage; an obtained iron-alloy plating layer comprises columnar grains of 15 to 30 nm and combines with the base metal of the plated components into a whole, and the hardness of the plating layer can reach H<RC>60. The present invention can improve the properties of wear resistance and corrosion resistance of a restoring piece, and can be used for restoring crankshafts, straight shafts, turbine rotor shaft journals and other noble components of abraded and damaged main and auxiliary machinery engines of ships, internal combustion locomotives and land type large-sized diesel engines for power plants. The present invention has the advantages of reliable quality, short restoring period, investment saving and no pollution to environment.
Description
The present invention relates to a kind of etching-free plating iron alloy technology.Be used for of the reparation of valuable parts depreciation or machine damage as the 10000-ton class vessel bent axle.
Before the present invention makes, USSR (Union of Soviet Socialist Republics) invention etching-less iron plating process.Because it adopts traditional control current density plating, more complicated plate piece surface quality of coating instability, and coating and the combination of plating piece matrix metal are not firm, and the plating solution performance instability can not plating big, and environment is had pollution.
The purpose of this invention is to provide a kind of etching-free plating iron alloy technology, it is production operation at normal temperatures, the plating whole process is to become control current density to be control voltage, obtains iron-zinc alloy coating and is 15～30nm columnar grain and be combined as a whole with plating the component matrix metal, and hardness can reach H
RC60, to the main and auxiliary machine in naval vessel that wearing and tearing, machine decrease, diesel locomotive, the reparation of valuable component such as power plant land large-sized diesel machine crankshaft, d-axis, turbine rotor axle journal.Reliable in quality, repairing efficiency is short, and less investment is not polluted environment.
Fig. 1 is an etching-free plating iron alloy technology schematic flow sheet of the present invention.
Fig. 2 is a non-corrosion iron alloy plating bent axle synoptic diagram of the present invention.
Etching-free plating iron alloy technology of the present invention is composed as follows:
One, plating (Fig. 1)
1. prepare before the plating to the plating component:
Detection parts wear, machine damage defect shape and size-cleaning greasy dirt-rust cleaning-non-plating position insulation-assembling hanger-remove oil film-salt acidifying water logging to wash-wash
Plating piece is removed tranish film handle, rust cleaning coating solution prescription and processing condition are:
Add HCl 15～18g/L with tap water, embathe part plating surface, normal temperature was handled 3～5 minutes.
2. plating
1) surface active: adjust V earlier
Just=5～7V adjusts V again
Negative, making voltage is 0.0～0.15V, t=5～8min;
2) plating: decline negative half period voltage makes V
Just=0.5～1.2V, t=9～15min;
3) exchange transition plating: V
JustInitial value is motionless, V
NegativeDrop to V gradually
JustTill=4～6V, t=15～20min;
4) just change dc plating: V
Just=4～5V, t=10～20min;
5) direct current transition plating: V
JustBe raised to 5～8V gradually, t=15～20min;
6) full dc plating: V
Directly=5～8V until plating is finished, goes out the groove neutralizing treatment.
Two, in the etching-free plating iron alloy technology provided by the present invention, the prescription of its plating bath is:
FeCl
3 200g/L
HCL 13～17g/L
MnCl
2 10～15g/L
NiCl
2 20～25g/L
CoCl
2 10～15g/L
NaCl 10～15g/L
Three, the preparation method of non-corrosion iron alloy electroplating bath provided by the present invention is:
Use drinking public water supply, under normal temperature condition, prepare,, must reach the drinking public water supply standard through chemical examination if during with the preparation of well water or other water sources, then available.
At first with the acidified water that contains HCl 13～17g/L, FeCl
3200g/L dissolving wherein and filter 2～4 times, thereafter, electrolytic solution is handled routinely, passes in time, solution when being converted into dark brown → yellowish brown → light brown → yellow-green colour → emerald green, is pressed MnCl by brown naturally
210～15g/L, NiCl
220～25g/L, CoCl
210～15g/L, NaCl 10～15g/L adds wherein in proper order, and regulating proportion is 1.20～1.26, and the pH value is 0.7～1.0, continue energising and handle, on negative electrode, be covered with spherical, light, during silvery white dross, indicate that the non-corrosion iron alloy electroplating bath is qualified, can the plating component.
A kind of etching-free plating iron alloy technology embodiment 1 of the present invention, as shown in Figure 2.
The overproof reparation of 10000-ton class vessel crankshaft wear
1 bent axle is cleaned greasy dirt, 2 crank throw axle journals, the rust cleaning of 3 bolster axle journals polishes uneven place of wearing and tearing and burn, thereafter again, give insulation processing all 4 non-plating surfaces, the assembling hanger embathed 4 minutes with HCl 15g/L acidified water, removed tranish film, the normal temperature flushing is finished, and goes into plating in the non-corrosion iron alloy electroplating bath: 1) surface active: give earlier and adjust V
Just=6V transfers V again
Negative=0.1V, t=8min;
2) plating: decline negative half period voltage makes V
Just=0.8V, t=10min;
3) exchange transition plating: V
JustInitial value is motionless, V
NegativeDrop to V gradually
JustTill=the 5V, t=15min;
4) just change dc plating: V
Just=5V, t=15min;
5) direct current transition plating: V
RiseBe raised to 6V, t=18min;
6) full dc plating: V
Directly=6V finishes up to plating.Go out the groove neutralizing treatment.Then by original design specified size mill stripping processing, press ship inspection standard test quality.
The preparation of the used non-corrosion iron alloy electroplating bath of this renovation technique is: under normal temperature condition, use drinking public water supply, make the acidified water that contains HCl 15g/L earlier, FeCl
3200g/L adds wherein, dissolving after-filtration two times, and electrolytic solution is handled routinely, and solution when being converted into dark brown → yellowish brown → light brown → yellow-green colour → emerald green, is pressed MnCl by brown naturally
212g/L, NiCl
223g/L, CoCl
212g/L, NaCl 12g/L adds wherein in proper order, regulating proportion is 1.2, pH value is 0.8, continues energising and handles, on negative electrode, be covered with spherical, light, during silvery white dross, plating bath is qualified, begins plating.
A kind of etching-free plating iron alloy technology embodiment 2 of the present invention.
The reparation of diesel locomotive bent axle many places burn
Because engine-damaged accident makes the jerk value of main journal overproof, a plurality of neck of bent axle axis tile burns can not move.Adopt etching-free plating iron alloy technology of the present invention reparation: colding pressing earlier to proofread and correct makes jerk value qualified, regrinds and shells the axle journal of respectively burning, and refers again to Fig. 1, Fig. 2 and handles, and its plating technology main points are with embodiment 1, and the bent axle that plating is finished meets diesel locomotive bent axle ministerial standard.
Claims (2)
1. non-corrosion iron alloy method, to preparing before the plating of plating component be, detection parts wear, machine damage defect shape and size-cleaning greasy dirt-rust cleaning-non-plating position insulation-assembling hanger-remove oil film-salt acidifying water logging to wash-wash, it is characterized in that: adopt following prescription FeCl
3200g/L, HCL 13～17g/L, MnCl
210～15g/L, NiCl
220～25g/L, CoCl
210～15g/L, the plating bath of NaCl 10～15g/L, finish by following step:
1) plating component surface activation: adjust V earlier
Just=5～7V adjusts V again
Negative=0.0～0.15V, t=5～8min:
2) plating: decline negative half period voltage makes V
Just=0.5～1.2V, t=9～15min;
3) exchange transition plating: V
JustInitial value is motionless, V
NegativeDrop to V gradually
Just=4～6V, t=15～20min;
4) just change dc plating: V
Just=4～5V, t=10～20min;
5) direct current transition plating: V
JustBe raised to 5～8V gradually, t=15～20min;
6) full dc plating: V
Directly=5～8V until plating is finished, goes out the groove neutralizing treatment.
2. non-corrosion iron alloy method according to claim 1, it is characterized in that: the preparation method of plating bath is at normal temperatures, makes the acidified water that contains HCl 13～17g/L with drinking public water supply, again FeCl
3200g/L dissolving wherein, filters 2～4 times after, electrolytic solution processing routinely, solution when being converted into dark brown → yellowish brown → light brown → yellow-green colour → emerald green, is pressed MnCl by brown
210～15g/L, NiCl
220～25g/L, CoCl
210～15g/L, NaCl 10～15g/L adds wherein in proper order, and regulating proportion is 1.2～1.26, and the pH value is 0.7～1.0, continues energising and handles, and is covered with light on negative electrode, and silvery white dross is right, and the plating bath preparation finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94112590A CN1044920C (en) | 1994-11-02 | 1994-11-02 | Etching-free plating iron alloy technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94112590A CN1044920C (en) | 1994-11-02 | 1994-11-02 | Etching-free plating iron alloy technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1116254A CN1116254A (en) | 1996-02-07 |
| CN1044920C true CN1044920C (en) | 1999-09-01 |
Family
ID=5036262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94112590A Expired - Lifetime CN1044920C (en) | 1994-11-02 | 1994-11-02 | Etching-free plating iron alloy technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1044920C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911627B (en) * | 2012-12-31 | 2017-03-01 | 国联汽车动力电池研究院有限责任公司 | A kind of molten-salt electrolysis additive and its be used for preparing silicon composite method |
| CN103302444B (en) * | 2013-07-05 | 2015-09-09 | 张延洪 | Renovation agent after a kind of mechanical wear and restorative procedure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1015779B (en) * | 1985-12-05 | 1992-03-11 | 底古萨股份公司 | Atomizing nozzle |
| CN1022500C (en) * | 1990-02-27 | 1993-10-20 | 美商贝洛特公司 | Apparatus for drying web |
-
1994
- 1994-11-02 CN CN94112590A patent/CN1044920C/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1015779B (en) * | 1985-12-05 | 1992-03-11 | 底古萨股份公司 | Atomizing nozzle |
| CN1022500C (en) * | 1990-02-27 | 1993-10-20 | 美商贝洛特公司 | Apparatus for drying web |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1116254A (en) | 1996-02-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DALIAN MARITIME UNIVERSITY DONG S IRON PLATING LT Free format text: FORMER OWNER: DONG YUHUA; DONG WENXIANG Effective date: 20031127 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20031127 Patentee after: Dong''s Iron Plating Co., Ltd., Daliann Maritime University Patentee before: Dong Yuhua Patentee before: Dong Wenxiang |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20141102 Granted publication date: 19990901 |