CN105386109A - Special surface treatment process and system for improving aluminum alloy part abrasive resistance - Google Patents
Special surface treatment process and system for improving aluminum alloy part abrasive resistance Download PDFInfo
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- CN105386109A CN105386109A CN201510844453.7A CN201510844453A CN105386109A CN 105386109 A CN105386109 A CN 105386109A CN 201510844453 A CN201510844453 A CN 201510844453A CN 105386109 A CN105386109 A CN 105386109A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/005—Apparatus specially adapted for electrolytic conversion coating
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Abstract
The invention discloses a special surface treatment process and system for improving aluminum alloy part abrasive resistance. The process includes the steps of oil removal in advance, chemical degreasing, washing, alkaline etching, washing, glaring, washing, special anodizing, washing, filling, drying, diaphragm returning, oil sealing for storage and the like. The system comprises a chemical degreasing groove, a washing groove A, an alkaline etching groove, a washing groove B, a glaring groove, a washing groove C, a special type anodizing groove, a washing groove D, a filling groove, a drying groove and a diaphragm returning groove which are sequentially arranged. An aluminum alloy part machined through the process and method has the advantages of being stable in quality, low in cost, high in efficiency and the like; in addition, by means of the process and system, the surface hardness of an aluminum alloy can be improved; the thickness of a coating layer of an aluminum alloy cylinder is increased; the thickness consistency is controlled; the yield and the production efficiency of the part are improved; and the machining cost of the product can be reduced.
Description
Technical field
The present invention relates to technical field of surface, be specifically related to a kind of the special surface treatment process and the treatment system that improve aluminum alloy part wear resistance.
Background technology
When need process aluminum alloy part as shown in Figure 1-2, the material of this part is aluminium alloy 6A02-T6, hardness requirement HV > 500, processing length is 162mm, aperture is φ 40, and cylindricity requires that surface roughness Ra value is 1.6 μm for φ 0.01mm.Technical requirements as can be seen from above-mentioned part: this part requirements weight wants light, is aluminum alloy materials, has valve core movement in hole, require higher hardness and surfaceness comparatively outside, also require that cylinder bore and spool tolerance clearance are 0.01mm.
Prior art complete processing is: blanking → turning and the thick smart endoporus of endoporus → milling four directions → machining center and other hole → aluminium alloy anode oxide → match grinding cylinder inner bore → product warehousing.After adopting this processing method anodizing, hole machined has following problem not meet technical requirements: 1) after surface treatment, aluminum alloy surface hardness is not high, anodizing aftertreatment piece surface hardness HV < 400; 2) thickness of coating in common anode hole is little, thickness of coating < 0.05mm; 3) coating is inconsistent; 4) easily discharge in anodizing process point limit, and condemnation factor is high; 5) need after anodized surface process to carry out singly joining the processing of (because needs ensure cylinder bore and spool gap 0.01mm tolerance, the manufacturing tolerance of spool is generally 0.01mm) match grinding one by one with spool, tooling cost is high, efficiency is low.
Summary of the invention
In order to solve the problems of the technologies described above, the present invention aims to provide a kind of the special surface treatment process and the treatment system that improve aluminum alloy part wear resistance, to solve, surface hardness existing for conventional machining process is low, coating is thin, coating is inconsistent, easily discharge in the sharp limit of anodizing process, the problems such as condemnation factor is high, tooling cost is high, efficiency is low.
The present invention is achieved by following technical solution:
Improve a special surface treatment process for aluminum alloy part wear resistance, this technique comprises the following steps:
(a) pre-oil removing: dry up or seasoning with pressurized air with after gasoline cleaning workpiece;
(b) electrochemical deoiling: add the Na that concentration is 40-50g/L in electrochemical deoiling groove
3pO
4be the Na of 40-50g/L with concentration
2cO
3mixing tank liquor, be placed in by workpiece in electrochemical deoiling groove and carry out electrochemical deoiling, control flume liquid temp is 70-80 DEG C, and the time is 5-10min,
C () cleans: take out workpiece after electrochemical deoiling and alternately clean with cold water and hot water, hot water temperature 70-80 DEG C, cold water temperature is 10-20 DEG C;
(d) alkaline etching: add the NaF mixing tank liquor that concentration is NaOH and 40-50g/L of 40-60g/L in alkaline etching groove, workpiece is placed in alkaline etching groove, control flume liquid temp is 60-70 DEG C, and the time is 0.5-1min;
E () cleans: take out workpiece after alkaline etching and alternately clean with cold water and hot water, hot water temperature 70-80 DEG C, cold water temperature is 10-20 DEG C;
(f) bright dipping: add the NaO that concentration is 350-450g/L in light output groove
3tank liquor, puts into light output groove 2-4min by workpiece;
G () cleans: taking-up workpiece after bright dipping completes also cleans up with the cold water that temperature is 10-20 DEG C;
(h) upper fixture: by the fixture of clamping workpiece in extraordinary anodizing groove;
(i) extraordinary anodizing: add the H that concentration is 200-230g/L in extraordinary anodizing groove
2sO
4be the C of 12ml/L with concentration
3h
6o
3mixing tank liquor, what control tempering tank liquid temp is-10 ~-6 DEG C, and control current density is 2.5-4A/dm2, voltage is 70V, time 30-35min;
J () cleans: take out workpiece after extraordinary anodizing and clean up with the cold water that temperature is 10-20 DEG C;
K () is filled: in filling slot, add the pure water that concentration is 100%, workpiece being put into filling slot and controls water temperature is 80-100 DEG C, time 50-55min;
L () dries: filled the hot air dries that rear taking-up workpiece temperature is 150-300 DEG C, and examining workpieces quality;
M () moves back diaphragm: add the H that concentration is 35ml/L moving back in diaphragm groove
3pO
4be the Cr of 20g/L with concentration
3o
3mixing tank liquor, puts into workpiece and control flume liquid temp is 85-95 DEG C, current density 2.5-4A/dm2, voltage 70V, time 30-35min;
N () oil sealing is put in storage: move back diaphragm complete after taking-up workpiece seasoning, again detect its quality Rear oil seal warehouse-in.
In described step (i), give electricity in the mode of constant current during anodizing, electric current slowly rises and rise to prescribed value in 5min.
Improve a special surface treatment system for aluminum alloy part wear resistance, this system comprises electrochemical deoiling groove, washing bath A, alkaline etching groove, washing bath B, light output groove, washing bath C, extraordinary anodizing groove, washing bath D, filling slot, the drying tank arranged successively and moves back diaphragm groove.
Described extraordinary anodizing groove comprises electrolyzer, electrolyte bath both sides are respectively arranged with lead rod and workpiece, electrolyzer is provided with power supply, PLC control unit, whipping appts and freezing unit, PLC control unit is connected with power supply, and connection wire is also connected with temperature measurer, temperature measurer inserts in electrolyzer.
Described electrolyzer is divided into three layers, and outermost layer is welded by plastic plate, and innermost layer is stereotype, is filled with thermal insulation layer between plastic plate and stereotype.
The tank liquor concentration of described extraordinary anodizing groove, tank liquor temperature, current density, voltage, time are all by PLC control unit detection control.
The clamp material of described clamping workpiece is aluminium.
The invention has the beneficial effects as follows:
Compared with prior art, the present invention is simple to operate, and technological process is simple, and after surface treatment, aluminum alloy surface hardness is high, anodizing aftertreatment piece surface hardness HV > 600; The bonding strength of coating and matrix is high, and thickness of coating is many, and thickness of coating can reach 0.20mm; Coating performance is adjustable, and the tolerance of thickness of coating can be controlled in 0.01mm; Can nonlinear operation be realized, namely can carry out surface treatment to complex-shaped workpieces.In addition, use the aluminium alloy cylinder steady quality that the present invention processes, tooling cost is low and working (machining) efficiency is high, and can be applied to the increase wear resistance process of the alloy product of different part.And adopt the present invention can improve aluminum alloy surface hardness; Improve aluminium alloy cylinder thickness of coating; Control the consistence of thickness; Improve qualification rate and the production efficiency of workpiece, and the tooling cost of product can be reduced.
Accompanying drawing explanation
Fig. 1 is the workpiece vertical view that need process;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the structural representation for the treatment of system in the present invention;
Fig. 4 is the structural representation of extraordinary anodizing groove in the present invention;
In figure: 1-electrochemical deoiling groove, 2-washing bath A, 3-alkaline etching groove, 4-washing bath B, 5-light output groove, the extraordinary anodizing groove of 6-washing bath C, 7-, 8-washing bath D, 9-filling slot, 10-drying tank, 11-moves back diaphragm groove, 701-electrolyzer, 702-temperature measurer, 703-workpiece, 704-power supply, 705-whipping appts, 706-lead rod, 707-PLC control unit, 708-freezing unit, 709-plastic plate, 710-stereotype, 711-thermal insulation layer.
Embodiment
Below in conjunction with drawings and Examples, technical scheme of the present invention is described further, but described in required protection domain is not limited to;
As shown in Figure 3-4, the special surface treatment system of raising aluminum alloy part wear resistance provided by the invention, this system comprises electrochemical deoiling groove 1, washing bath A2, alkaline etching groove 3, washing bath B4, light output groove 5, washing bath C6, extraordinary anodizing groove 7, washing bath D8, filling slot 9, the drying tank 10 arranged successively and moves back diaphragm groove 11.Extraordinary anodizing groove 7 comprises electrolyzer 701, the inner both sides of electrolyzer 701 are respectively arranged with lead rod 706 and workpiece 703, electrolyzer 701 is provided with power supply 704, PLC control unit 707, whipping appts 705 and freezing unit 708, PLC control unit 707 is connected with power supply 704, and connection wire is also connected with temperature measurer 702, temperature measurer 702 inserts in electrolyzer 701.Electrolyzer 701 is divided into three layers, and outermost layer is welded by plastic plate 709, and innermost layer is stereotype 710, is filled with thermal insulation layer 711 between plastic plate 709 and stereotype 710.The tank liquor concentration of extraordinary anodizing groove 7, tank liquor temperature, current density, voltage, time are all by PLC control unit 707 detection control.
Embodiment 1:
Pre-oil removing: dry up or seasoning with pressurized air with after gasoline cleaning workpiece 703; Electrochemical deoiling: add the Na that concentration is 50g/L in electrochemical deoiling groove 1
3pO
4be the Na of 50g/L with concentration
2cO
3mixing tank liquor, workpiece 703 is carried out electrochemical deoiling in electrochemical deoiling groove 1, and control flume liquid temp is 70 DEG C, and the time is 5min, cleaning: take out workpiece 703 after electrochemical deoiling and replace cleaning, hot water temperature 80 DEG C with cold water and hot water, cold water temperature is 20 DEG C; Alkaline etching: add the NaF mixing tank liquor that concentration is NaOH and 50g/L of 60g/L in alkaline etching groove 3, workpiece is placed in alkaline etching groove 3, control flume liquid temp is 70 DEG C, and the time is 0.5min; Cleaning: take out workpiece 703 after alkaline etching and alternately clean with cold water and hot water, hot water temperature 80 DEG C, cold water temperature is 20 DEG C; Bright dipping: add the NaO that concentration is 450g/L in light output groove 5
3tank liquor, puts into light output groove 5 2min by workpiece 703; Cleaning: taking-up workpiece 703 after bright dipping completes also cleans up with the cold water that temperature is 20 DEG C; Upper fixture: by the fixture of workpiece 703 clamping in extraordinary anodizing groove 7, the clamp material of clamping workpiece 703 is aluminium; Extraordinary anodizing: add the H that concentration is 230g/L in extraordinary anodizing groove 7
2sO
4be the C of 12ml/L with concentration
3h
6o
3mixing tank liquor, what control tempering tank liquid temp is-6 DEG C, and control current density is 4A/dm2, voltage is 70V, time 30min, and give electricity in the mode of constant current during anodizing, electric current slowly rises and rise to prescribed value in 5min; Cleaning: take out workpiece 703 after extraordinary anodizing and clean up with the cold water that temperature is 20 DEG C; Fill: in filling slot 9, add the pure water that concentration is 100%, workpiece 703 being put into filling slot 9 and controls water temperature is 100 DEG C, time 50min; Dry: filled the hot air dries that rear taking-up workpiece 703 temperature is 300 DEG C, and examining workpieces quality; Move back diaphragm: add the H that concentration is 35ml/L moving back in diaphragm groove 11
3pO
4be the Cr of 20g/L with concentration
3o
3mixing tank liquor, puts into workpiece 703 and control flume liquid temp is 95 DEG C, current density 4A/dm2, voltage 70V, time 30min; Oil sealing is put in storage: move back diaphragm complete after taking-up workpiece 703 seasoning, again detect its quality Rear oil seal warehouse-in.
Embodiment 2:
Pre-oil removing: dry up or seasoning with pressurized air with after gasoline cleaning workpiece 703; Electrochemical deoiling: add the Na that concentration is 40g/L in electrochemical deoiling groove 1
3pO
4be the Na of 40g/L with concentration
2cO
3mixing tank liquor, workpiece 703 is carried out electrochemical deoiling in electrochemical deoiling groove 1, and control flume liquid temp is 70 DEG C, and the time is 10min, cleaning: take out workpiece 703 after electrochemical deoiling and replace cleaning, hot water temperature 70 DEG C with cold water and hot water, cold water temperature is 10 DEG C; Alkaline etching: add the NaF mixing tank liquor that concentration is NaOH and 40g/L of 40g/L in alkaline etching groove 3, workpiece is placed in alkaline etching groove 3, control flume liquid temp is 60 DEG C, and the time is 1min; Cleaning: take out workpiece 703 after alkaline etching and alternately clean with cold water and hot water, hot water temperature 70 DEG C, cold water temperature is 10 DEG C; Bright dipping: add the NaO that concentration is 350g/L in light output groove 5
3tank liquor, puts into light output groove 5 2min by workpiece 703; Cleaning: taking-up workpiece 703 after bright dipping completes also cleans up with the cold water that temperature is 10 DEG C; Upper fixture: by the fixture of workpiece 703 clamping in extraordinary anodizing groove 7, the clamp material of clamping workpiece 703 is aluminium; Extraordinary anodizing: add the H that concentration is 200g/L in extraordinary anodizing groove 7
2sO
4be the C of 12ml/L with concentration
3h
6o
3mixing tank liquor, what control tempering tank liquid temp is-10 DEG C, and control current density is 4A/dm2, voltage is 70V, time 35min, and give electricity in the mode of constant current during anodizing, electric current slowly rises and rise to prescribed value in 5min; Cleaning: take out workpiece 703 after extraordinary anodizing and clean up with the cold water that temperature is 10 DEG C; Fill: in filling slot 9, add the pure water that concentration is 100%, workpiece 703 being put into filling slot 9 and controls water temperature is 80 DEG C, time 55min; Dry: filled the hot air dries that rear taking-up workpiece 703 temperature is 150 DEG C, and examining workpieces quality; Move back diaphragm: add the H that concentration is 35ml/L moving back in diaphragm groove 11
3pO
4be the Cr of 20g/L with concentration
3o
3mixing tank liquor, puts into workpiece 703 and control flume liquid temp is 85 DEG C, current density 2.5A/dm2, voltage 70V, time 35min; Oil sealing is put in storage: move back diaphragm complete after taking-up workpiece 703 seasoning, again detect its quality Rear oil seal warehouse-in
Embodiment 3:
Pre-oil removing: dry up or seasoning with pressurized air with after gasoline cleaning workpiece 703; Electrochemical deoiling: add the Na that concentration is 46g/L in electrochemical deoiling groove 1
3pO
4be the Na of 46g/L with concentration
2cO
3mixing tank liquor, workpiece 703 is carried out electrochemical deoiling in electrochemical deoiling groove 1, and control flume liquid temp is 75 DEG C, and the time is 6min, cleaning: take out workpiece 703 after electrochemical deoiling and replace cleaning, hot water temperature 75 DEG C with cold water and hot water, cold water temperature is 18 DEG C; Alkaline etching: add the NaF mixing tank liquor that concentration is NaOH and 45g/L of 45g/L in alkaline etching groove 3, workpiece is placed in alkaline etching groove 3, control flume liquid temp is 65 DEG C, and the time is 0.8min; Cleaning: take out workpiece 703 after alkaline etching and alternately clean with cold water and hot water, hot water temperature 75 DEG C, cold water temperature is 15 DEG C; Bright dipping: add the NaO that concentration is 400g/L in light output groove 5
3tank liquor, puts into light output groove 5 3min by workpiece 703; Cleaning: taking-up workpiece 703 after bright dipping completes also cleans up with the cold water that temperature is 15 DEG C; Upper fixture: by the fixture of workpiece 703 clamping in extraordinary anodizing groove 7, the clamp material of clamping workpiece 703 is aluminium; Extraordinary anodizing: add the H that concentration is 210g/L in extraordinary anodizing groove 7
2sO
4be the C of 12ml/L with concentration
3h
6o
3mixing tank liquor, what control tempering tank liquid temp is-8 DEG C, and control current density is 3A/dm2, voltage is 70V, time 32min, and give electricity in the mode of constant current during anodizing, electric current slowly rises and rise to prescribed value in 5min; Cleaning: take out workpiece 703 after extraordinary anodizing and clean up with the cold water that temperature is 15 DEG C; Fill: in filling slot 9, add the pure water that concentration is 100%, workpiece 703 being put into filling slot 9 and controls water temperature is 88 DEG C, time 53min; Dry: filled the hot air dries that rear taking-up workpiece 703 temperature is 180 DEG C, and examining workpieces quality; Move back diaphragm: add the H that concentration is 35ml/L moving back in diaphragm groove 11
3pO
4be the Cr of 20g/L with concentration
3o
3mixing tank liquor, puts into workpiece 703 and control flume liquid temp is 90 DEG C, current density 3A/dm2, voltage 70V, time 32min; Oil sealing is put in storage: move back diaphragm complete after taking-up workpiece 703 seasoning, again detect its quality Rear oil seal warehouse-in
Embodiment 4:
Pre-oil removing: dry up or seasoning with pressurized air with after gasoline cleaning workpiece 703; Electrochemical deoiling: add the Na that concentration is 48g/L in electrochemical deoiling groove 1
3pO
4be the Na of 48g/L with concentration
2cO
3mixing tank liquor, workpiece 703 is carried out electrochemical deoiling in electrochemical deoiling groove 1, and control flume liquid temp is 73 DEG C, and the time is 7min, cleaning: take out workpiece 703 after electrochemical deoiling and replace cleaning, hot water temperature 78 DEG C with cold water and hot water, cold water temperature is 12 DEG C; Alkaline etching: add the NaF mixing tank liquor that concentration is NaOH and 52g/L of 52g/L in alkaline etching groove 3, workpiece is placed in alkaline etching groove 3, control flume liquid temp is 68 DEG C, and the time is 0.6min; Cleaning: take out workpiece 703 after alkaline etching and alternately clean with cold water and hot water, hot water temperature 78 DEG C, cold water temperature is 12 DEG C; Bright dipping: add the NaO that concentration is 420g/L in light output groove 5
3tank liquor, puts into light output groove 5 3.5min by workpiece 703; Cleaning: taking-up workpiece 703 after bright dipping completes also cleans up with the cold water that temperature is 12 DEG C; Upper fixture: by the fixture of workpiece 703 clamping in extraordinary anodizing groove 7, the clamp material of clamping workpiece 703 is aluminium; Extraordinary anodizing: add the H that concentration is 220g/L in extraordinary anodizing groove 7
2sO
4be the C of 12ml/L with concentration
3h
6o
3mixing tank liquor, what control tempering tank liquid temp is-7 DEG C, and control current density is 3.2A/dm2, voltage is 70V, time 33min, and give electricity in the mode of constant current during anodizing, electric current slowly rises and rise to prescribed value in 5min; Cleaning: take out workpiece 703 after extraordinary anodizing and clean up with the cold water that temperature is 18 DEG C; Fill: in filling slot 9, add the pure water that concentration is 100%, workpiece 703 being put into filling slot 9 and controls water temperature is 94 DEG C, time 53min; Dry: filled the hot air dries that rear taking-up workpiece 703 temperature is 220 DEG C, and examining workpieces quality; Move back diaphragm: add the H that concentration is 35ml/L moving back in diaphragm groove 11
3pO
4be the Cr of 20g/L with concentration
3o
3mixing tank liquor, puts into workpiece 703 and control flume liquid temp is 92 DEG C, current density 3.6A/dm2, voltage 70V, time 34min; Oil sealing is put in storage: move back diaphragm complete after taking-up workpiece 703 seasoning, again detect its quality Rear oil seal warehouse-in.
Above-described embodiment is only several preferred embodiment of the present invention, the protection domain be not intended to limit the present invention, and all distortion done on technical scheme basis of the present invention, has modified that goods is equivalent to be replaced, and all should fall into protection scope of the present invention.
Claims (7)
1. improve a special surface treatment process for aluminum alloy part wear resistance, it is characterized in that: this technique comprises the following steps:
(a) pre-oil removing: dry up or seasoning with pressurized air with after gasoline cleaning workpiece (703);
(b) electrochemical deoiling: add the Na that concentration is 40-50g/L in electrochemical deoiling groove (1)
3pO
4be the Na of 40-50g/L with concentration
2cO
3mixing tank liquor, be placed in electrochemical deoiling groove (1) by workpiece (703) and carry out electrochemical deoiling, control flume liquid temp is 70-80 DEG C, and the time is 5-10min,
C () cleans: take out workpiece (703) after electrochemical deoiling and alternately clean with cold water and hot water, hot water temperature 70-80 DEG C, cold water temperature is 10-20 DEG C;
(d) alkaline etching: add the NaF mixing tank liquor that concentration is NaOH and 40-50g/L of 40-60g/L in alkaline etching groove (3), workpiece is placed in alkaline etching groove (3), control flume liquid temp is 60-70 DEG C, and the time is 0.5-1min;
E () cleans: take out workpiece (703) after alkaline etching and alternately clean with cold water and hot water, hot water temperature 70-80 DEG C, cold water temperature is 10-20 DEG C;
(f) bright dipping: add the NaO that concentration is 350-450g/L in light output groove (5)
3tank liquor, puts into light output groove (5) 2-4min by workpiece (703);
G () cleans: taking-up workpiece (703) after bright dipping completes also cleans up with the cold water that temperature is 10-20 DEG C;
(h) upper fixture: by the fixture of workpiece (703) clamping in extraordinary anodizing groove (7);
(i) extraordinary anodizing: add the H that concentration is 200-230g/L in extraordinary anodizing groove (7)
2sO
4be the C of 12ml/L with concentration
3h
6o
3mixing tank liquor, what control tempering tank liquid temp is-10 ~-6 DEG C, and control current density is 2.5-4A/dm2, voltage is 70V, time 30-35min;
J () cleans: take out workpiece (703) after extraordinary anodizing and clean up with the cold water that temperature is 10-20 DEG C;
K () is filled: in filling slot (9), add the pure water that concentration is 100%, workpiece (703) is put into filling slot (9) and controlled water temperature is 80-100 DEG C, time 50-55min;
L () dries: filled the hot air dries that rear taking-up workpiece (703) by temperature is 150-300 DEG C, and examining workpieces quality;
M () moves back diaphragm: add the H that concentration is 35ml/L moving back in diaphragm groove (11)
3pO
4be the Cr of 20g/L with concentration
3o
3mixing tank liquor, puts into workpiece (703) and control flume liquid temp is 85-95 DEG C, current density 2.5-4A/dm2, voltage 70V, time 30-35min;
N () oil sealing is put in storage: move back diaphragm complete after taking-up workpiece (703) seasoning, again detect its quality Rear oil seal warehouse-in.
2. the special surface treatment process of raising aluminum alloy part wear resistance according to claim 1, is characterized in that: in described step (i), and give electricity in the mode of constant current during anodizing, electric current slowly rises and rise to prescribed value in 5min.
3. a special surface treatment system for the raising aluminum alloy part wear resistance as described in claim 1-2, is characterized in that: this system comprises electrochemical deoiling groove (1), washing bath A (2), alkaline etching groove (3), washing bath B (4), light output groove (5), washing bath C (6), extraordinary anodizing groove (7), washing bath D (8), filling slot (9), the drying tank (10) arranged successively and moves back diaphragm groove (11).
4. the special surface treatment system of raising aluminum alloy part wear resistance according to claim 3, it is characterized in that: described extraordinary anodizing groove (7) comprises electrolyzer (701), electrolyzer (701) inner both sides are respectively arranged with lead rod (706) and workpiece (703), electrolyzer (701) is provided with power supply (704), PLC control unit (707), whipping appts (705) and freezing unit (708), PLC control unit (707) is connected with power supply (704), and connection wire is also connected with temperature measurer (702), temperature measurer (702) inserts in electrolyzer (701).
5. the special surface treatment system of raising aluminum alloy part wear resistance according to claim 4, it is characterized in that: described electrolyzer (701) is divided into three layers, outermost layer is welded by plastic plate (709), innermost layer is stereotype (710), is filled with thermal insulation layer (711) between plastic plate (709) and stereotype (710).
6. the special surface treatment system of raising aluminum alloy part wear resistance according to claim 3, is characterized in that: the tank liquor concentration of described extraordinary anodizing groove (7), tank liquor temperature, current density, voltage, time are all by PLC control unit (707) detection control.
7. the special surface treatment system of raising aluminum alloy part wear resistance according to claim 1, is characterized in that: the clamp material of described clamping workpiece (703) is aluminium.
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| CN107400915A (en) * | 2016-05-19 | 2017-11-28 | 中国科学院宁波材料技术与工程研究所 | Have porous subsurface stratum and the aluminium alloy anode oxide film of wearing coat and preparation method thereof concurrently |
| CN108070896A (en) * | 2018-01-17 | 2018-05-25 | 南京海创表面处理技术有限公司 | Cast magnesium alloy product surface processing equipment and its technique |
| CN113151877A (en) * | 2021-04-25 | 2021-07-23 | 攀钢集团研究院有限公司 | Preparation method of wear-resistant titanium alloy micro-arc oxidation coating |
| CN113549976A (en) * | 2021-08-12 | 2021-10-26 | 沈阳航天新光集团有限公司 | Sulfuric acid anodizing process for precision aluminum alloy parts |
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| CN113549976A (en) * | 2021-08-12 | 2021-10-26 | 沈阳航天新光集团有限公司 | Sulfuric acid anodizing process for precision aluminum alloy parts |
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