CN106435702A - Part plane chroming device and method - Google Patents
Part plane chroming device and method Download PDFInfo
- Publication number
- CN106435702A CN106435702A CN201611139128.1A CN201611139128A CN106435702A CN 106435702 A CN106435702 A CN 106435702A CN 201611139128 A CN201611139128 A CN 201611139128A CN 106435702 A CN106435702 A CN 106435702A
- Authority
- CN
- China
- Prior art keywords
- fixture
- external diameter
- hole
- chrome
- chromium plating
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/06—Suspending or supporting devices for articles to be coated
- C25D17/08—Supporting racks, i.e. not for suspending
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/02—Electroplating of selected surface areas
- C25D5/022—Electroplating of selected surface areas using masking means
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/04—Tubes; Rings; Hollow bodies
Abstract
The invention discloses a part plane chroming device and a method. The part plane chroming device comprises a fixture, wherein the fixture is used for fixing a part on a plane to be chromed; a first hole for penetrating through an anode and a second hole for guiding gas and liquid are formed in the fixture made of an insulating material; the fixture is compressed in a non-chroming area of the part to form shield protection; the fixture is electrically connected with the anode; and the part is electrically connected with a cathode. According to the device and the method, the anode and the protection fixture are designed according to requirements of the plane of the part to meet engineering electrochromism requirements of the special-shaped plane.
Description
Technical field
The present invention relates to a kind of part plane chrome-plating device and method, belong to special warfare processing method field.
Background technology
At present, in aviation war products, sphere, periphery are substantially for engineering electrodeposited chromium, for the electricity of plane
Chromium plating is only the ornamental layers of chrome within 0.01mm.As military project newly grinds the development of product, Partial key part auricle hole needs
It is connected with remaining parts or component and moves, such as wants be connected pressurized strut position auricle hole and being only difficult to reach design by matrix material
Performance is sought, therefore need to be to carrying out anchor ring chromium plating around its auricle hole, it is desirable to thickness（0.04mm-0.06mm）, hardness（≥900HV）
And other performances need to be required according to the plating of engineering layers of chrome.
Generally such different in nature face plating carries out shielding protection, easy shape to non-chromium plating region all by way of adhesive tape or gluing
Become centre thickness of thin, the thick uneven, covering power of peripheral part layers of chrome is poor, transition region is irregular, and layers of chrome is discontinuously existing
As.
Content of the invention
Required according to product abnormal shape plane plating, the present invention is intended to provide a kind of part plane chrome-plating device and method, should
Device designs anode, shield jig according to the requirement of part plane, so as to meet special-shaped plane electroplating engineering chromium requirement.
To achieve these goals, the technical solution adopted in the present invention is：
A kind of part plane chrome-plating device, which is structurally characterized in that, including for part is fixed on the fixture in plane to be chromed；
The second hole having on the fixture for the first hole through anode and for inducing QI drain is made up of insulant；The folder
Tool is pressed on the non-chromium plating region of part and forms shielding protection；The fixture is electrically connected with anode, and the part is electrically connected with negative electrode
Connect.
During use, fixture can be adopted to ensure that Special-Shaped Surface layers of chrome is formed according to there is particular/special requirement chromium plating type face.
During chromium plating, part, fixture and chromium plating platform are placed in coating bath, and energising carries out chromium plating, non-plated to chromium plating region
Chromium region is by fixture shielding protection.
Embodiments in accordance with the present invention, can also make further optimization to the present invention, be the skill for being formed after optimization below
Art scheme：
For pored component, the part has hole in piece part, and the aperture of hole in piece part is Φ, is formed around the hole in piece part
The annular chromium plating region of ring-like face chromium plating is carried out, the external diameter in the annular chromium plating region is D, and internal diameter is d；The fixture includes internal diameter
Fixture and external diameter fixture；The internal diameter fixture has cylindrical body and annular boss, and the cylindrical body is mounted in the in the hole of part, should
Annular boss is pressed between the aperture of part and annular chromium plating area inside, and the external diameter fixture presses outside annular chromium plating region
The piece surface of side, so that internal diameter fixture and external diameter fixture form shielding protection to non-chromium plating region；The internal diameter fixture
It is the annular chromium plating region and the annular boss outer rim of external diameter fixture between.
For convenience fixture is pressed on formation shielding protection on part, the fixture also includes plug, the internal diameter folder
Hole is had on tool and external diameter fixture；The plug through internal diameter fixture and external diameter fixture hole and by the internal diameter fixture and external diameter
Fixture is pressed on the part；It is preferred that the diameter D1 of plug is（Φ/2+0.4）-（Φ/2+0.6）.
Used as a kind of specific version, the external diameter fixture is integrally pressed on the part in tubbiness back-off, institute
The one end for stating anode is fixed on the bottom inside of external diameter fixture corresponding with the annular chromium plating region of part.
Preferably, in the middle part of the bottom of the external diameter fixture and side wall, multiple second holes are had；It is preferred that second guide hole
Aperture D3=L1/4, wherein L1 are the length of the cylindrical body of internal diameter fixture；It is preferred that the aperture D2=in the first hole（D-D1）/4.This
Bright external diameter fixture have certain depth requirement, the steam vent with specific direction and size, shield jig equipped with special anode,
Electroplated using the specific chamfering control transition region and part suspending way etc. of shield jig.Tight in order to ensure external diameter fixture back-off
It is pressed on part, uniform, fine and close, smooth chromium coating can be formed, the external diameter fixture has certain depth to require and specific direction
And the inducing QI delivery hole of size.
In order to form good transition region, the end inner side of pressing of the external diameter fixture is provided with chamfering, the internal diameter fixture
Annular boss outer rim is provided with chamfering, forms chromium coating thickness and pass between the chamfering of external diameter fixture and the chamfering of the internal diameter fixture
The transitional region for subtracting；It is preferred that the chamfering is 45 °；It is preferred that the chamfering length is 1mm-2mm.
Preferably, the external diameter of external diameter fixture 8mm-12mm bigger than the outer diameter D in chromium plating region；It is preferred that big 10mm.
The external diameter fixture inner cavity depth is 25mm -35mm.
For the situation for having two holes on part, hole is had on the part or is easy to the type face of fixture fixation, make fixture
It is pressed on corresponding hole respectively and is fixed together by Screw arbor with nut at both-ends.
Based on same inventive concept, present invention also offers a kind of using described part plane chrome-plating device to part
The technique for carrying out chromium plating, which comprises the steps：
S1, part is fixed on chromium plating platform by fixture, anode is electrically connected with fixture, negative electrode is connected with part；
S2, electrodeposited chromium is carried out by anode, until the chromium coating thickness in chromium plating region reaches engineering layers of chrome thickness；It is preferred that the work
The thickness of journey layers of chrome is 0.04mm-0.06mm.
On the one hand the present invention ensures there is the layers of chrome molding of special type face using external diameter fixture, on the other hand can be used for installing and consolidating
Annular anode, and the inducing QI delivery hole of specific direction and dimensional requirement is had in the fixture, it is ensured that tank liquor and gas in cylinder
Physical ability is quickly swapped with electroplating bath tank liquor, provides uniform, fine and close chromium coating.
The non-chromium plating face of part is protected using internal diameter fixture and external diameter fixture, and is pressed from both sides in above-mentioned internal diameter fixture outer rim and external diameter
Tool inner side makes specific dimensions chamfering, forms the layers of chrome transition region in rule, thickness-tapered.
By said structure, special-shaped type face electroplating engineering chromium processing method is corresponded to around finger mainly in combination with special-shaped chromium plating face configuration
The anode of configuration, design specialized Special-Shaped Surface protecting tool set-up, by internal structure, the such as direction of steam vent, size, depth of inner cavity,
The design of impact transition region forming part, the Special-Shaped Surface to there is particular/special requirement carries out engineering layers of chrome plating, and reaching engineering layers of chrome will
The thickness that asks, hardness, and smooth in appearance, layers of chrome cover 100%, edge transition area rule, and thickness tapers off state.
Present invention can apply to arbitrary type facial plane chromium plating, anchor ring and the electrodeposited chromium for having the requirement of special type face are processed, right
Its coating uniformity, coverage rate, annular, the rule of Special-Shaped Surface transition region and thickness-tapered, and matrix wearability, hardness number are had
Very big lifting, can extend part service life.
Compared with prior art, the invention has the beneficial effects as follows：The present invention changes original conventional chromate treatments and is only suitable for
In the method for the electroplating engineering chromium and plane decorative chromium plating of regular periphery, as follows by the invention achievement popularization and application：
1st, electrodeposited chromium qualification rate is carried out for the Special-Shaped Surface for having particular/special requirement and can reach 100%；
2nd, according to the application of circular ring type surface parts chrome-plated process method, the method may extend to the work that remaining has special type face to require
Cheng Ge is electroplated；
3rd, practical, especially layers of chrome deposition uniformity, the formation of transition region thickness-tapered, outer edge coating regular shape
Become with crucial effect.
4th, the present invention is eager to learn understandable, installs and convenient disassembly, and good looking appearance is succinct；
Present invention processing part by one-step qualification rate reaches 100%, and crudy to part and production cost control have positive
Impetus.
Additionally, the inventive method is simple, galvanic anode is fixed safely, securely, protecting tool set-up collection anode is fixed, discharge opeing, row
Gas, transition region are formed, non-chromium plating face are protected, are conveniently installed and are dismantled, and succinct, attractive in appearance after installing.
The present invention deposits the phenomenons such as unstable, lack of homogeneity, inner and outer ring side transition region be irregular to annular chromium plating face layers of chrome,
By design specialized Special-Shaped Surface protecting tool set-up, by internal structure, the such as direction of steam vent, size, depth of inner cavity, transition is affected
The design of area forming part, the Special-Shaped Surface to there is particular/special requirement carries out engineering layers of chrome plating, and the application of the process will be flat
Face chromium plating, anchor ring and the formation for having particular/special requirement chromium plating face have important guiding.
Description of the drawings
Fig. 1 is a kind of part schematic diagram to be chromed of the present invention；
Fig. 2 is the vertical section schematic diagram of external diameter fixture；
Fig. 3 is the vertical section schematic diagram of internal diameter fixture；
Fig. 4 is that this anode fixes schematic diagram；
Fig. 5 is the right view of Fig. 4；
Fig. 6 is the structure principle chart of one embodiment of the invention
In in figure
1- plug；2- nut；3- pad；4. anode；5- external diameter fixture；6. internal diameter fixture；7- part；The first hole of 8-；9- second
Hole；10- chromium plating region；The non-chromium plating region of 11-；12- chamfering.
Specific embodiment
Below with reference to accompanying drawing and in conjunction with the embodiments describing the present invention in detail.It should be noted that in the feelings that does not conflict
Under condition, the embodiment in the present invention and the feature in embodiment can be mutually combined.For sake of convenience, hereinafter as occurred
" on ", D score, "left", "right" printed words, only represent consistent with the upper and lower, left and right direction of accompanying drawing itself, do not play limit to structure
It is set for using.
Embodiment 1
A kind of part special-shaped level chrome-plating device, as shown in fig. 6, including for being fixed on the folder in plane to be chromed by part 7
Tool；It is made up on the fixture of insulant and has the first hole 8 and the second hole 9；The fixture and the anode 4 for passing through the first hole 8
Electrical connection, the part 7 is electrically connected with negative electrode.Hole is had on the part 7, and aperture is the Kong Zhouwei annular chromium plating of Φ, the part
Region, the external diameter in the annular chromium plating region is D, and internal diameter is d；The fixture includes internal diameter fixture 6 and external diameter fixture 5；Described interior
Footpath fixture 6 is mounted in the in the hole of part 7 with cylindrical body and annular boss, the cylindrical body, and the annular boss is pressed on part 7
Hole and annular chromium plating region between, the external diameter fixture 5 presses the piece surface outside annular chromium plating region, so that internal diameter
Fixture 6 and external diameter fixture 5 form shielding protection to non-chromium plating region；Outside the annular boss of the internal diameter fixture 6 and external diameter fixture 5
It is the annular chromium plating region between edge.The fixture also includes plug 2, has on the internal diameter fixture 6 and external diameter fixture 5
Hole；The plug 2 passes through the hole of internal diameter fixture 6 and external diameter fixture 5 and the internal diameter fixture 6 and external diameter fixture 5 is pressed on institute
State on part 7；The external diameter fixture 5 is overall to be pressed on the part 7 in barreled back-off, and one end of the anode 4 is fixed on
The bottom inside of external diameter fixture 5.The bottom of the external diameter fixture 5 has first hole 8 and the second hole 9（That is inducing QI drain
Hole）, on the side wall of the external diameter fixture 5, wherein the first hole 8 is used for penetrating galvanic anode 4；It is preferred that the aperture D2=of inducing QI delivery hole
（D-D1）/4.The end inner side of pressing of the external diameter fixture 5 is provided with chamfering, and the annular boss outer rim of the internal diameter fixture 6 is provided with down
Angle, forms the transition region of chromium coating thickness-tapered between 45 ° of chamferings of external diameter fixture 5 and 45 ° of chamferings of the internal diameter fixture 6
Domain, chamfering length reference part chromium plating face transition R size, preferably 1mm-2mm..
The chromium plating platform of the present embodiment is placed in coating bath when chromium plating is carried out to part.
As shown in fig. 6, having two holes on the part 7, two sets of described fixtures are pressed on corresponding hole simultaneously respectively
It is fixed together by Screw arbor with nut at both-ends.
The external diameter of the external diameter fixture 5 10mm bigger than the outer diameter D in chromium plating region.
The aperture D3=L1/4 in first hole 8, wherein L1 are the length of the cylindrical body of internal diameter fixture 6.
The specific design thinking of the present invention and method are as follows：
1 as shown in figure 1, require Ф a diameter of to hole in piece part with engineering drawing, length carries out annulus chromium plating for the hole side of l and is
Example：
1）, with internal diameter as d, external diameter carries out engineering layers of chrome plating for D scope；
2）, engineering layers of chrome require thickness 0.04mm-0.06mm, hardness number >=900HV, the control of inside and outside transition region 2mm scope with
Interior, and in transition region, layers of chrome thickness successively decreases to edge；
3）, layers of chrome appearance smooth, coverage rate 100% in the range of chromium plating, transition area edge layers of chrome rule, round and smooth.
As shown in figure 1, drawing requirement is with internal diameter as d, external diameter carries out anchor ring chromium plating for D scope.Part chamfering r, from r end
Hold, be chromium plating transition region laterally in 2mm.Conversely, being transition region in the inside 2mm of outer diameter D.
2nd, combine above-mentioned engineering drawing to require, Design and Machining method is as follows：
1）It is processing object position outer diameter D to be electroplated according to part requirements, designs the privacy protection fixture shown in Fig. 2.Each size is made
With and interpellation as follows（Do not mark unit and be mm）：
a、D：Ensure outside dimension after chromium plating；
b、D+10：Fixture external diameter, should not increase or decrease on this size basis；Increase unfavorable aerofluxuss, discharge opeing, minimizing is easily caused
Fixture intensity deficiency；
c、D1：Stationary core rod hole, a size of Ф/2+0.5；
D, D2, D3：Inducing QI delivery hole；D2=(D-D1)/4, D3=L1/4, test proves size Control to annular layers of chrome surface
Slickness, seriality are most important
e、R×45°：R is the layers of chrome transition region of drawing requirement, tests prove that 45 ° form transition region thickness of coating and taper off shape
State, and regular, round and smooth.R is preferably 1mm-2mm.
f、L1：Size Control 25mm-35mm, test proves layers of chrome coverage rate 100%, size uniform sexual satisfaction engineering layers of chrome
In ± 10%；
g、L1+5：Fixture height, the same D+10 of dimensioning principles；
2）Within position being electroplated according to part requirements, footpath d is processing object, to design and produce privacy protection fixture as shown in Figure 3.
Each size effect and interpellation are as follows（Do not mark unit and be mm）：
a、D1:Consistent with D1 in Fig. 2, all positioned by plug；
b、d1：The connecting hole of fixed inner diameter frock and part, d1=Ф -0.5；
c、d：Ensure inner circle size after chromium plating；
d、R×45°：With 1）Middle R × 45 °.
e、l1：Size Control is hole in piece part l or l/2；Such as hole two sides are both needed to plating, then l1=l/2, such as unilateral chromium plating,
Then l1=l.
f、l1+5：Internal diameter fixture height, the same D+10 of dimensioning principles；
3）Galvanic anode making and installation are carried out using part external diameter privacy protection fixture as shown in Figures 4 and 5.Its size is selected
And installation method is described as follows：
A, selection diameter or width are for about（D-d）/ 2 galvanized wire or sheet lead, sheet lead thickness about 3mm.
B, winding method：Galvanized wire or sheet lead are close at inner chamber baseplane and side chamfering, and are led by the inducing QI of Fig. 2 part
Fluid apertures 9 is fixed by 2 iron wire of Ф 1- Ф or Plastic Bandage.
c:Galvanized wire or 2 end connector of sheet lead are both needed to after coiling pull out from the first hole 8 shown in Fig. 2, with sun when to be electroplated
Pole connects, additionally, part is connected with negative electrode in plating, energising carries out chromium plating.
Embodiment 2
A kind of parts standard plane chrome-plating device, including for being fixed on the fixture on chromium plating platform by part 7；By insulant
Make on the fixture and have the first hole 8；The fixture is electrically connected with the anode 4 through the first hole 8, and the part 7 is electric with negative electrode
Connection.The fixture is pressed on the non-chromium plating region of part 7 and forms shielding protection.As different from Example 1, the present embodiment
Directly chromium plating on standard flat, part not perforate, the internal diameter fixture of embodiment 1 can be saved, only retains external diameter fixture to non-
After chromium plating region carries out shielding protection, directly chromium plating is carried out to the chromium plating region of the standard flat on part.The method is applied to
Only to there is special type face to use when requiring on the outside of chromium plating face.
The content that above-described embodiment is illustrated should be understood to that these embodiments are only used for being illustrated more clearly that the present invention, and not
For limiting the scope of the present invention, after the present invention has been read, the various equivalent form of values of the those skilled in the art to the present invention
Modification each fall within the application claims limited range.
Claims (10)
1. a kind of part plane chrome-plating device, it is characterised in that include for by part（7）The folder being fixed in plane to be chromed
Tool；It is made up on the fixture of insulant and has for through anode（4）The first hole（8）With for inducing QI drain second
Hole（9）；The fixture is pressed on part（7）Non- chromium plating region（11）And form shielding protection；The fixture and anode（4）Electricity
Connection, the part（7）Electrically connect with negative electrode.
2. part plane chrome-plating device according to claim 1, it is characterised in that the part（7）With hole in piece part, zero
The aperture in part hole is Φ, and being formed around the hole in piece part carries out the annular chromium plating region of ring-like face chromium plating（10）, the annular plating
Chromium region（10）External diameter be D, internal diameter be d；The fixture includes internal diameter fixture（6）With external diameter fixture（5）；The internal diameter fixture
（6）With cylindrical body and annular boss, the cylindrical body is mounted in part（7）In the hole, the annular boss is pressed on part（7）
Aperture and annular chromium plating region（10）Between inner side, the external diameter fixture（5）Press annular chromium plating region（10）The zero of outside
Part surface, so that internal diameter fixture（6）With external diameter fixture（5）To non-chromium plating region（11）Form shielding protection；The internal diameter
Fixture（6）With external diameter fixture（5）Annular boss outer rim between be described annular chromium plating region（10）.
3. part plane chrome-plating device according to claim 2, it is characterised in that the fixture also includes plug（2）, institute
State internal diameter fixture（6）With external diameter fixture（5）On have hole；The plug（2）Through internal diameter fixture（6）With external diameter fixture（5）'s
Hole by the internal diameter fixture（6）With external diameter fixture（5）It is pressed on the part（7）On；It is preferred that plug（2）Diameter D1 be
（Φ/2+0.4）-（Φ/2+0.6）.
4. part plane chrome-plating device according to claim 3, it is characterised in that the external diameter fixture（5）Overall is in bucket
Shape back-off is pressed on the part（7）On, the anode（4）One end be fixed on external diameter fixture（5）Bottom inside and with zero
Part（7）Annular chromium plating region（10）Corresponding.
5. part plane chrome-plating device according to claim 4, it is characterised in that the external diameter fixture（5）Bottom and
Multiple second holes are had in the middle part of the wall of side（9）；It is preferred that second guide hole（9）Aperture D3=L1/4, wherein L1 be internal diameter fixture
（6）Cylindrical body length；It is preferred that the first hole（8）Aperture D2=（D-D1）/4.
6. part plane chrome-plating device according to claim 4, it is characterised in that the external diameter fixture（5）Press end
Inner side is provided with chamfering, the internal diameter fixture（6）Annular boss outer rim be provided with chamfering, in external diameter fixture（5）Chamfering and described
Internal diameter fixture（6）Chamfering between formed chromium coating thickness-tapered transitional region；It is preferred that the chamfering is 45 °；It is preferred that institute
Chamfering length is stated for 1mm-2mm.
7. the part plane chrome-plating device according to any one of claim 2-6, it is characterised in that the part（7）On
Having hole or is easy to the type face of fixture fixation, make fixture be pressed on corresponding hole respectively and one is fixed on by Screw arbor with nut at both-ends
Rise.
8. the part plane chrome-plating device according to any one of claim 2-6, it is characterised in that the external diameter fixture
（5）External diameter than chromium plating region（10）The big 8mm-12mm of outer diameter D；It is preferred that big 10mm.
9. the part plane chrome-plating device according to any one of claim 2-6, it is characterised in that the external diameter fixture
（5）Depth of inner cavity is 25mm -35mm.
10. the method that the part plane chrome-plating device any one of a kind of utilization claim 1-9 carries out chromium plating to part,
Characterized in that, comprising the steps：
S1, part is fixed on chromium plating platform by fixture, anode is electrically connected with fixture, negative electrode is connected with part；
S2, pass through anode（4）Electrodeposited chromium is carried out, until chromium plating region（10）Chromium coating thickness reach engineering layers of chrome thickness；Excellent
The thickness for selecting the engineering layers of chrome is 0.04mm-0.06mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139128.1A CN106435702B (en) | 2016-12-12 | 2016-12-12 | Part plane chrome-plating device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139128.1A CN106435702B (en) | 2016-12-12 | 2016-12-12 | Part plane chrome-plating device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106435702A true CN106435702A (en) | 2017-02-22 |
| CN106435702B CN106435702B (en) | 2018-11-02 |
Family
ID=58216523
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611139128.1A Active CN106435702B (en) | 2016-12-12 | 2016-12-12 | Part plane chrome-plating device and method |
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| CN (1) | CN106435702B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747112A (en) * | 2017-11-10 | 2018-03-02 | 中航飞机起落架有限责任公司 | A kind of inside holes and boss type face chrome-plating device and chrome-plating method |
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| EP0059481A1 (en) * | 1981-03-03 | 1982-09-08 | Yamaha Motor Co., Ltd. | High speed plating apparatus |
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| CN104862765A (en) * | 2015-06-08 | 2015-08-26 | 中国南方航空工业(集团)有限公司 | Support ring component chromium plating method and shield jig |
| CN104928736A (en) * | 2015-06-08 | 2015-09-23 | 中国南方航空工业(集团)有限公司 | Chromium plating repair method and clamp for inner circle surface of rear journal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0059481A1 (en) * | 1981-03-03 | 1982-09-08 | Yamaha Motor Co., Ltd. | High speed plating apparatus |
| CN102978670A (en) * | 2012-12-10 | 2013-03-20 | 徐州徐工液压件有限公司 | Protection device for nickel/chromium composite plating |
| CN105350038A (en) * | 2014-08-22 | 2016-02-24 | 王元谷 | Local electroplating device and local electroplating method |
| CN104831325A (en) * | 2015-06-08 | 2015-08-12 | 中国南方航空工业(集团)有限公司 | Output shaft chrome plating method and output shaft chrome plating fixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107747112A (en) * | 2017-11-10 | 2018-03-02 | 中航飞机起落架有限责任公司 | A kind of inside holes and boss type face chrome-plating device and chrome-plating method |
| CN107747112B (en) * | 2017-11-10 | 2019-05-10 | 中航飞机起落架有限责任公司 | A kind of inside holes and boss type face chrome-plating device and chrome-plating method |
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| Publication number | Publication date |
|---|---|
| CN106435702B (en) | 2018-11-02 |
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