CN106216194A - A kind of baking finish process of radar workpiece - Google Patents
A kind of baking finish process of radar workpiece Download PDFInfo
- Publication number
- CN106216194A CN106216194A CN201610617970.5A CN201610617970A CN106216194A CN 106216194 A CN106216194 A CN 106216194A CN 201610617970 A CN201610617970 A CN 201610617970A CN 106216194 A CN106216194 A CN 106216194A
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- Prior art keywords
- workpiece
- acid
- radar
- baking
- baking finish
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/104—Pretreatment of other substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2350/00—Pretreatment of the substrate
- B05D2350/30—Change of the surface
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses the baking finish process of a kind of radar workpiece, the sand paper first pass that step (1) uses: 400# water sand, second time: 800# waterproof abrasive paper, by twice polishing, can thoroughly remove the most gentle rusty stain of surface of the work, step (3) nitration mixture be mass ratio be concentrated nitric acid and the mixed solution of Fluohydric acid. of 3:2, can be to the greasy dirt in workpiece just face, rusty stain processes, oxide-film also can be formed on surface, workpiece is used the infrared drying technology of 80 DEG C to carry out drying and processing by step (4), drying time period is 30min, the rapid draing of workpiece can be quickly realized by this technique, shorten the used time of technique, improve the efficiency of technique, the acid that in step (5), regulation acid-base value is used is KH2PO4/H3PO4, alkali is NaHCO3/ NaOH, this soda acid is buffer system, it is possible to while regulation acid-base value, and the change of opposing workpiece just face acid-base value, the pressure baking temperature used in step (10) is 185 DEG C, is processed with the higher temperature of work pieces process, it is possible to increase the speed of production.
Description
Technical field
The present invention relates to the manufacture field of radar and part thereof, particularly relate to the baking finish process of a kind of radar workpiece.
Background technology
Radar is the electronic equipment utilizing electromagnetic wave detection target.Target is irradiated and receives by radar emission electromagnetic wave
Its echo, is derived from target to information such as the distance of electromagnetic radiation point, range rate (radial velocity), orientation, height.
Applying the thin-walled parts on surface in radar is highly important parts, and it is laid on the surface of radar, plays transmitting and gathers
The effect of electromagnetic wave.The surface property of the most this thin-walled parts requires the highest, in order to use long-term outdoor operation, should possess
Stronger surface is hard-caked sediment, prevents it from deforming, and the most also should possess stronger decay resistance, current this thin-walled parts surface
Science and engineering skill has much room for improvement in the lifting of piece surface performance.
Summary of the invention
A kind of baking finish process of radar workpiece, its step includes:
(1) utilize sand paper that workpiece is polished, first pass: 400# water sand, second time: 800# waterproof abrasive paper or thinner；
(2) NaOH and the NaHCO3 mixed ammonium/alkali solutions with volume ratio as 1:1 removes the greasy dirt on workpiece, to work in current water
Part is washed, and water speed is 1.5-2.0m/s；
(3) in mixed acid solution, workpiece being carried out pickling, the time is 10-15s；
(4) washing thin-walled parts in current water, water speed is 1.5-2.0m/s, is done by thin-walled parts after cleaning
Dry process；
(5) carry out surface mediation with acid or alkali, remove soda acid unnecessary in pickling and alkali cleaning, adjust acid-base value to neutral, i.e.
PH value=7；
(6) workpiece is carried out surface granosealing, use high temperature phosphorization 70-90 DEG C to process；
(7) using Disk spraying that workpiece is carried out spray treatment, process conditions are: quantity for spray is 20-40mL/s, capstan rotating speed
For: 5 000-60 000 r/min, running voltage is: 70 ~ 120KV；
(8) check that Disk spraying rejected region is repaired；
(9) with lower temperature 80-150 DEG C baking, solvent content is made to evaporate, wet paint film levelling；
(10) force baking with higher temperature 180-185 DEG C, paint is dried；
(11) finished product is checked.
Preferably, the sand paper first pass that step (1) uses: 400# water sand, second time: 800# waterproof abrasive paper.
Preferably, step (3) nitration mixture be mass ratio be concentrated nitric acid and the mixed solution of Fluohydric acid. of 3:2.
Preferably, workpiece is used the infrared drying technology of 80 DEG C to carry out drying and processing by step (4), and drying time period is
30min。
Preferably, the acid that in step (5), regulation acid-base value is used is KH2PO4/H3PO4, alkali is NaHCO3/NaOH。
Preferably, the pressure baking temperature used in step (10) is 185 DEG C.
Beneficial effect: the invention provides the baking finish process of a kind of radar workpiece, the sand paper first that step (1) uses
Time: 400# water sand, second time: 800# waterproof abrasive paper, by twice polishing, it is possible to removes the most gentle of surface of the work more thoroughly
Rusty stain, step (3) nitration mixture be mass ratio be concentrated nitric acid and the mixed solution of Fluohydric acid. of 3:2, Fluohydric acid. is a kind of to have steel part
There is the acid of aggressive, be used in mixed way with concentrated nitric acid and on the one hand the greasy dirt in steel part just face, rusty stain thoroughly can be processed,
Can form oxide-film on surface, workpiece is used the infrared drying technology of 80 DEG C to carry out drying and processing, during drying by step (4) simultaneously
A length of 30min, can quickly be realized the rapid draing of workpiece, shorten the used time of technique, improve technique by this technique
Efficiency, the acid that in step (5), regulation acid-base value is used is KH2PO4/H3PO4, alkali is NaHCO3/ NaOH, this soda acid is buffering
System, it is possible to while regulation acid-base value, the change of opposing workpiece just face acid-base value, the pressure used in step (10) baking
Temperature is 185 DEG C, is processed with the higher temperature of work pieces process, it is possible to increase the speed of production.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with
Detailed description of the invention, is expanded on further the present invention.
Embodiment 1:
A kind of baking finish process of radar workpiece, its step includes:
(1) utilize sand paper that workpiece is polished, first pass: 400# water sand, second time: 800# waterproof abrasive paper；
(2) NaOH and the NaHCO3 mixed ammonium/alkali solutions with volume ratio as 1:1 removes the greasy dirt on workpiece, to work in current water
Part is washed, and water speed is 1.5m/s；
(3) in the mixed solution of the concentrated nitric acid that mass ratio is 3:2 and Fluohydric acid., workpiece being carried out pickling, the time is 10s；
(4) washing thin-walled parts in current water, water speed is 1.5m/s, after cleaning, thin-walled parts is dried place
Reason, carries out drying and processing by the infrared drying technology that workpiece uses 80 DEG C, and drying time period is 30min；
(5) carrying out surface mediation with acid or alkali, the acid that regulation acid-base value is used is KH2PO4/H3PO4, alkali is NaHCO3/
NaOH, removes soda acid unnecessary in pickling and alkali cleaning, adjusts acid-base value to neutrality, i.e. pH value=7；
(6) workpiece is carried out surface granosealing, use high temperature phosphorization 70 DEG C to process；
(7) using Disk spraying that workpiece is carried out spray treatment, process conditions are: quantity for spray is 20mL/s, and capstan rotating speed is: 5
000r/min, running voltage is: 70KV；
(8) check that Disk spraying rejected region is repaired；
(9) with lower temperature 80 DEG C baking, solvent content is made to evaporate, wet paint film levelling；
(10) force baking with higher temperature 185 DEG C, paint is dried；
(11) finished product is checked.
Embodiment 2:
A kind of baking finish process of radar workpiece, its step includes:
(1) utilize sand paper that workpiece is polished, first pass: 400# water sand, second time: 800# waterproof abrasive paper；
(2) NaOH and the NaHCO3 mixed ammonium/alkali solutions with volume ratio as 1:1 removes the greasy dirt on workpiece, to work in current water
Part is washed, and water speed is 1.8m/s；
(3) in the mixed solution of the concentrated nitric acid that mass ratio is 3:2 and Fluohydric acid., workpiece being carried out pickling, the time is 12s；
(4) washing thin-walled parts in current water, water speed is 1.8m/s, after cleaning, thin-walled parts is dried place
Reason, carries out drying and processing by the infrared drying technology that workpiece uses 80 DEG C, and drying time period is 30min；
(5) carrying out surface mediation with acid or alkali, the acid that regulation acid-base value is used is KH2PO4/H3PO4, alkali is NaHCO3/
NaOH, removes soda acid unnecessary in pickling and alkali cleaning, adjusts acid-base value to neutrality, i.e. pH value=7；
(6) workpiece is carried out surface granosealing, use high temperature phosphorization 85 DEG C to process；
(7) using Disk spraying that workpiece is carried out spray treatment, process conditions are: quantity for spray is 35mL/s, and capstan rotating speed is:
10000r/min, running voltage is: 90KV；
(8) check that Disk spraying rejected region is repaired；
(9) with lower temperature 100 DEG C baking, solvent content is made to evaporate, wet paint film levelling；
(10) force baking with higher temperature 185 DEG C, paint is dried；
(11) finished product is checked.
Embodiment 3:
A kind of baking finish process of radar workpiece, its step includes:
(1) utilize sand paper that workpiece is polished, first pass: 400# water sand, second time: 800# waterproof abrasive paper；
(2) NaOH and the NaHCO3 mixed ammonium/alkali solutions with volume ratio as 1:1 removes the greasy dirt on workpiece, to work in current water
Part is washed, and water speed is 2.0m/s；
(3) in the mixed solution of the concentrated nitric acid that mass ratio is 3:2 and Fluohydric acid., workpiece being carried out pickling, the time is 15s；
(4) washing thin-walled parts in current water, water speed is 2.0m/s, after cleaning, thin-walled parts is dried place
Reason, carries out drying and processing by the infrared drying technology that workpiece uses 80 DEG C, and drying time period is 30min；
(5) carrying out surface mediation with acid or alkali, the acid that regulation acid-base value is used is KH2PO4/H3PO4, alkali is NaHCO3/
NaOH, removes soda acid unnecessary in pickling and alkali cleaning, adjusts acid-base value to neutrality, i.e. pH value=7；
(6) workpiece is carried out surface granosealing, use high temperature phosphorization 90 DEG C to process；
(7) using Disk spraying that workpiece is carried out spray treatment, process conditions are: quantity for spray is 40mL/s, and capstan rotating speed is:
20000 r/min, running voltage is: 120KV；
(8) check that Disk spraying rejected region is repaired；
(9) with lower temperature 120 DEG C baking, solvent content is made to evaporate, wet paint film levelling；
(10) force baking with higher temperature 185 DEG C, paint is dried；
(11) finished product is checked.
Extract the sample of each embodiment to carry out detection and analyze, and compare with prior art, draw following data:
| Process cycle/h | Case hardness/kgf | Corrosion resistance grade | The accuracy of manufacture | |
| Embodiment 1 | 7 | 35 | One-level | 0.5 grade |
| Embodiment 2 | 7 | 40 | One-level | 0.5 grade |
| Embodiment 3 | 7 | 37 | One-level | 0.5 grade |
| Existing index | 10 | 30 | Two grades | 1.0 level |
Can draw according to above table data, when implementing embodiment 2 parameter, the radar obtained thin baking vanish workpiece, its work
The skill cycle is 7 hours, and case hardness is 40kgf, and corrosion resistance grade is one-level, and the accuracy of manufacture is 0.5 grade, and prior art mark
Its process cycle accurate is 10 hours, and case hardness is 30kgf, and corrosion resistance grade is two grades, and the accuracy of manufacture is 1.0 grades, therefore
The radar baking vanish workpiece machining cycle that the baking finish process of radar workpiece of the present invention produces is short, shows that hardness is bigger, corrosion resistant
Erosion property is strong, and the accuracy of manufacture is higher, and in contrast the present invention has superiority significantly.
The invention provides the baking finish process of a kind of radar workpiece, the sand paper first pass that step (1) uses: 400# water
Sand, second time: 800# waterproof abrasive paper or thinner, by twice polishing, it is possible to remove the most gentle rust of surface of the work more thoroughly
Mark, step (3) nitration mixture be mass ratio be concentrated nitric acid and the mixed solution of Fluohydric acid. of 3:2, Fluohydric acid. is a kind of to have steel part
The acid of aggressive, is used in mixed way with concentrated nitric acid and on the one hand can thoroughly process the greasy dirt in steel part just face, rusty stain, with
Time can form oxide-film on surface, workpiece is used the infrared drying technology of 80 DEG C carry out drying and processing, drying time period by step (4)
For 30min, can quickly be realized the rapid draing of workpiece by this technique, shorten the used time of technique, improve the effect of technique
Rate, the acid that in step (5), regulation acid-base value is used is KH2PO4/H3PO4, alkali is NaHCO3/ NaOH, this soda acid is buffer body
System, it is possible to while regulation acid-base value, the change of opposing workpiece just face acid-base value, the pressure used in step (10) baking temperature
Degree is 185 DEG C, is processed with the higher temperature of work pieces process, it is possible to increase the speed of production.
Above-described is only the preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, it is also possible to make some deformation and improvement, these broadly fall into the present invention
Protection domain.
Claims (6)
1. the baking finish process of a radar workpiece, it is characterised in that its step includes:
(1) utilize sand paper that workpiece is polished；
(2) NaOH and the NaHCO3 mixed ammonium/alkali solutions with volume ratio as 1:1 removes the greasy dirt on workpiece, to work in current water
Part is washed, and water speed is 1.5-2.0m/s；
(3) in mixed acid solution, workpiece being carried out pickling, the time is 10-15s；
(4) washing thin-walled parts in current water, water speed is 1.5-2.0m/s, is done by thin-walled parts after cleaning
Dry process；
(5) carry out surface mediation with acid or alkali, remove soda acid unnecessary in pickling and alkali cleaning, adjust acid-base value to neutral, i.e.
PH value=7；
(6) workpiece is carried out surface granosealing, use high temperature phosphorization 70-90 DEG C to process；
(7) using Disk spraying that workpiece is carried out spray treatment, process conditions are: quantity for spray is 20-40mL/s, capstan rotating speed
For: 5 000-60 000 r/min, running voltage is: 70 ~ 120KV；
(8) check that Disk spraying rejected region is repaired；
(9) with lower temperature 80-150 DEG C baking, solvent content is made to evaporate, wet paint film levelling；
(10) force baking with higher temperature 180-185 DEG C, paint is dried；
(11) finished product is checked.
2. the baking finish process of the radar workpiece described in a claim 1, it is characterised in that the sand paper that step (1) uses
One time: 400# water sand, second time: 800# waterproof abrasive paper.
3. the baking finish process of the radar workpiece described in a claim 1, it is characterised in that step (3) nitration mixture is mass ratio
Concentrated nitric acid and the mixed solution of Fluohydric acid. for 3:2.
4. the baking finish process of the radar workpiece described in a claim 1, it is characterised in that workpiece is used 80 by step (4)
DEG C infrared drying technology carry out drying and processing, drying time period is 30min.
5. the baking finish process of the radar workpiece described in a claim 1, it is characterised in that regulation acid-base value in step (5)
The acid used is KH2PO4/H3PO4, alkali is NaHCO3/NaOH。
6. the baking finish process of the radar workpiece described in a claim 1, it is characterised in that the pressure used in step (10)
Baking temperature is 185 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617970.5A CN106216194A (en) | 2016-08-01 | 2016-08-01 | A kind of baking finish process of radar workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617970.5A CN106216194A (en) | 2016-08-01 | 2016-08-01 | A kind of baking finish process of radar workpiece |
Publications (1)
| Publication Number | Publication Date |
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| CN106216194A true CN106216194A (en) | 2016-12-14 |
Family
ID=57535636
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610617970.5A Withdrawn CN106216194A (en) | 2016-08-01 | 2016-08-01 | A kind of baking finish process of radar workpiece |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730164A (en) * | 2005-09-06 | 2006-02-08 | 贵州科盛彩色喷涂有限公司 | Outdoor metal surface double coating antiseptic chromatic spray painting method |
| CN104014467A (en) * | 2014-06-12 | 2014-09-03 | 张家港华程机车精密制管有限公司 | Metal surface modification method based on varnish baking technology |
| US20140290802A1 (en) * | 2011-10-25 | 2014-10-02 | Komatsu Ltd. | Surface treatment method and coating method for steel material, and method for producing machine component |
| CN105032746A (en) * | 2015-06-17 | 2015-11-11 | 安徽省金寨县金钢叉车部件制造有限公司 | Rust-preventing baking varnish treatment process of surfaces of clutches |
| CN105689213A (en) * | 2014-11-26 | 2016-06-22 | 重庆市巴南区永兴机械厂 | Paint spraying process for part |
-
2016
- 2016-08-01 CN CN201610617970.5A patent/CN106216194A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730164A (en) * | 2005-09-06 | 2006-02-08 | 贵州科盛彩色喷涂有限公司 | Outdoor metal surface double coating antiseptic chromatic spray painting method |
| US20140290802A1 (en) * | 2011-10-25 | 2014-10-02 | Komatsu Ltd. | Surface treatment method and coating method for steel material, and method for producing machine component |
| CN104014467A (en) * | 2014-06-12 | 2014-09-03 | 张家港华程机车精密制管有限公司 | Metal surface modification method based on varnish baking technology |
| CN105689213A (en) * | 2014-11-26 | 2016-06-22 | 重庆市巴南区永兴机械厂 | Paint spraying process for part |
| CN105032746A (en) * | 2015-06-17 | 2015-11-11 | 安徽省金寨县金钢叉车部件制造有限公司 | Rust-preventing baking varnish treatment process of surfaces of clutches |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161214 |
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