CN106141928A - A kind of blasting craft of radar swivel bearing - Google Patents
A kind of blasting craft of radar swivel bearing Download PDFInfo
- Publication number
- CN106141928A CN106141928A CN201610617189.8A CN201610617189A CN106141928A CN 106141928 A CN106141928 A CN 106141928A CN 201610617189 A CN201610617189 A CN 201610617189A CN 106141928 A CN106141928 A CN 106141928A
- Authority
- CN
- China
- Prior art keywords
- sand
- sandblasting
- radar
- particle diameter
- swivel bearing
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C11/00—Selection of abrasive materials or additives for abrasive blasts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
nullThe invention discloses the blasting craft of a kind of radar swivel bearing，Step (1) bearing surface oils and fats and the method removing employing alkali cleaning of solvable dirt，The method can quickly remove the greasy dirt of bearing surface，The water content of the sand of step (2) derusting by sandblasting is less than 2%，This standard can effectively ensure that being dried of the sand that sandblasting uses，(2) present invention use sand be mass ratio be quartz sand and the mixture of corundum of 1:1，The mixture of these two kinds of sand can use and the blasting treatment of the steel part to different hardness，The technique range making the present invention is the most extensive，Used by step (2), the pre-treating technology of sand is: must dry before screening，It is stored in hothouse，Then 2 screenings are carried out，Scalping is used to screen for the first time for the first time，Second time uses dusting cover to carry out selected，Used sieve screen-aperture be: scalping 48 holes/cm2(particle diameter 1.2mm)、Dusting cover 476 holes/cm2(particle diameter 0.3mm)，The quality of the sand used in blasting treatment is ensure that by this technique.
Description
Technical field
The present invention relates to the manufacture field of radar and part thereof, particularly relate to the nozzleman of a kind of radar swivel bearing
Skill.
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.
Radar in use needs not stop to regulate receiving angle, could realize receiving electromagnetic wave to greatest extent, therefore on radar
Swivel bearing be very important parts, the processing for swivel bearing should require higher.And at present to swivel bearing
Process, process upper rust not in place owing to the restriction of technology causes rotary bearing surface, have impact on the normal work of radar.
Summary of the invention
A kind of blasting craft of radar swivel bearing, its step includes:
(1) go through, remove the welding slag of bearing surface, splashing attachment, and clean surface oils and fats and solvable dirt；
(2) sand of derusting by sandblasting, it is desirable to granule is hard, have corner angle, be dried, without earth and other impurity, sand material particle diameter is 0.5
～1.5mm；
(3), during grit blasting operation, air compressor machine air pressure is 6.0 × 105～6.5 × 105Pa, air pressure luffing is 0.5 × 105～1.0 ×
105Pa, the silicon sand size of sandblasting is 0.5 ~ 1mm (20 ~ No. 40), compressed air pressure 0.3 ~ 0.66Mpa(2 ~ 6 kilograms per centimeter
2), nozzle is 100～300mm to matrix steel surface distance, before sandblasting, non-sandblasting position is answered shielding protection, injection direction
It it is 15 °～30 ° with matrix steel surface normal angle；
(4) first tackle derusting by sandblasting position after sandblasting completes to check, to bearing surface degree of being cleaned and coarse comprehensively
Degree checks.
Preferably, step (1) bearing surface oils and fats and the method removing employing alkali cleaning of solvable dirt: with volume ratio for 1:
NaOH and NaHCO of 13Mixed ammonium/alkali solutions removes bearing surface greasy dirt and solvable dirt, and cleans up with water.
Preferably, the water content of the sand of step (2) derusting by sandblasting is less than 2%.
Preferably, step (2) present invention use sand be mass ratio be quartz sand and the mixture of corundum of 1:1.
Preferably, used by step (2), the pre-treating technology of sand is: must dry before screening, is stored in hothouse, then enters
2 screenings of row, use scalping to screen for the first time for the first time, and second time uses dusting cover to carry out selected.
Preferably, step (2) is carried out screening used sieve screen-aperture be: scalping 48 holes/cm2(particle diameter 1.2mm),
Dusting cover 476 holes/cm2(particle diameter 0.3mm).
Beneficial effect: the invention provides the blasting craft of a kind of radar swivel bearing, step (1) bearing surface oils and fats
And solvable dirt remove the method using alkali cleaning, the method can quickly remove the greasy dirt of bearing surface, and step (2) sandblasting removes
The water content of the sand of rust is less than 2%, and this standard can effectively ensure that being dried of the sand that sandblasting uses, the sand of (2) present invention employing
For quartz sand that mass ratio is 1:1 and the mixture of corundum, the mixture of these two kinds of sand can use with to different hardness
The blasting treatment of steel part so that the technique range of the present invention is the most extensive, the pre-treating technology of sand used by step (2)
For: must dry before screening, be stored in hothouse, then carry out 2 screenings, use scalping to screen for the first time for the first time, the
Secondary uses dusting cover to carry out selected, is used the screen-aperture sieved to be: scalping 48 holes/cm2(particle diameter 1.2mm), dusting cover 476 hole/
Cm2(particle diameter 0.3mm), the quality of the sand used in blasting treatment is ensure that by this technique.
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 blasting craft of radar swivel bearing, its step includes:
(1) go through, remove the welding slag of bearing surface, splashing attachment, and clean surface oils and fats and solvable dirt, bearing table
Face oils and fats and the method removing employing alkali cleaning of solvable dirt: NaOH and NaHCO with volume ratio as 1:13Mixed ammonium/alkali solutions removes
Remove bearing surface greasy dirt and solvable dirt, and clean up with water；
(2) sand of derusting by sandblasting, it is desirable to granule is hard, have corner angle, be dried, without earth and other impurity, derusting by sandblasting
The water content of sand be less than 2%, the sand of employing be mass ratio be quartz sand and the mixture of corundum of 1:1, sand material particle diameter is
0.5mm, the pre-treating technology of sand used is: must dry before screening, is stored in hothouse, then carries out 2 screenings, for the first time
Use scalping screen for the first time, second time use dusting cover carry out selected, screening used sieve screen-aperture be: scalping 48
Hole/cm2(particle diameter 1.2mm), dusting cover 476 holes/cm2(particle diameter 0.3mm)；
(3), during grit blasting operation, air compressor machine air pressure is 6.0 × 105Pa, air pressure luffing is 0.5 × 105Pa, the silica sand grain of sandblasting
Degree is 0.5mm (No. 20), compressed air pressure 0.3Mpa(2 kilograms per centimeter 2), nozzle to matrix steel surface distance is
100mm, answers shielding protection to non-sandblasting position before sandblasting, injection direction and matrix steel surface normal angle are 15 °；
(4) first tackle derusting by sandblasting position after sandblasting completes to check, to bearing surface degree of being cleaned and coarse comprehensively
Degree checks.
Embodiment 2:
A kind of blasting craft of radar swivel bearing, its step includes:
(1) go through, remove the welding slag of bearing surface, splashing attachment, and clean surface oils and fats and solvable dirt, bearing table
Face oils and fats and the method removing employing alkali cleaning of solvable dirt: NaOH and NaHCO with volume ratio as 1:13Mixed ammonium/alkali solutions removes
Remove bearing surface greasy dirt and solvable dirt, and clean up with water；
(2) sand of derusting by sandblasting, it is desirable to granule is hard, have corner angle, be dried, without earth and other impurity, derusting by sandblasting
The water content of sand be less than 2%, the sand of employing be mass ratio be quartz sand and the mixture of corundum of 1:1, sand material particle diameter is
0.8mm, the pre-treating technology of sand used is: must dry before screening, is stored in hothouse, then carries out 2 screenings, for the first time
Use scalping screen for the first time, second time use dusting cover carry out selected, screening used sieve screen-aperture be: scalping 48
Hole/cm2(particle diameter 1.2mm), dusting cover 476 holes/cm2(particle diameter 0.3mm)；
(3), during grit blasting operation, air compressor machine air pressure is 6.2 × 105Pa, air pressure luffing is 0.8 × 105Pa, the silica sand grain of sandblasting
Degree is 0.8mm (No. 35), compressed air pressure 0.52Mpa(5 kilograms per centimeter 2), nozzle to matrix steel surface distance is
180mm, answers shielding protection to non-sandblasting position before sandblasting, injection direction and matrix steel surface normal angle are 18 °；
(4) first tackle derusting by sandblasting position after sandblasting completes to check, to bearing surface degree of being cleaned and coarse comprehensively
Degree checks.
Embodiment 3:
A kind of blasting craft of radar swivel bearing, its step includes:
(1) go through, remove the welding slag of bearing surface, splashing attachment, and clean surface oils and fats and solvable dirt, bearing table
Face oils and fats and the method removing employing alkali cleaning of solvable dirt: NaOH and NaHCO with volume ratio as 1:13Mixed ammonium/alkali solutions removes
Remove bearing surface greasy dirt and solvable dirt, and clean up with water；
(2) sand of derusting by sandblasting, it is desirable to granule is hard, have corner angle, be dried, without earth and other impurity, derusting by sandblasting
The water content of sand be less than 2%, the sand of employing be mass ratio be quartz sand and the mixture of corundum of 1:1, sand material particle diameter is
1.5mm, the pre-treating technology of sand used is: must dry before screening, is stored in hothouse, then carries out 2 screenings, for the first time
Use scalping screen for the first time, second time use dusting cover carry out selected, screening used sieve screen-aperture be: scalping 48
Hole/cm2(particle diameter 1.2mm), dusting cover 476 holes/cm2(particle diameter 0.3mm)；
(3), during grit blasting operation, air compressor machine air pressure is 6.5 × 105Pa, air pressure luffing is 1.0 × 105Pa, the silica sand grain of sandblasting
Degree is 1mm (No. 40), compressed air pressure 0.66Mpa(6 kilograms per centimeter 2), nozzle to matrix steel surface distance is
300mm, answers shielding protection to non-sandblasting position before sandblasting, injection direction and matrix steel surface normal angle are 30 °；
(4) first tackle derusting by sandblasting position after sandblasting completes to check, to bearing surface degree of being cleaned and coarse comprehensively
Degree checks.
Extract the sample of each embodiment to carry out detection and analyze, and compare with prior art, draw following data:
| Sophistication grade | Oil quantity ng/cm2 | Rusty stain amount ng/cm2 | Oxide skin amount ng/cm2 | |
| Embodiment 1 | One-level | 55 | 63 | 35 |
| Embodiment 2 | One-level | 40 | 59 | 29 |
| Embodiment 3 | One-level | 47 | 60 | 45 |
| Existing index | Two grades | 90 | 78 | 50 |
Can draw according to above table data, when implementing embodiment 2 parameter, the radar sandblasting swivel bearing obtained, its
Sophistication grade is one-level, and oil quantity is 40ng/cm2, and rusty stain amount is 59ng/cm2, and oxide skin amount is 29ng/cm2, and existing
Its sophistication grade of technical standard is two grades, and oil quantity is 90ng/cm2, and rusty stain amount is 78ng/cm2, and oxide skin amount is 50ng/
Cm2, the radar swivel bearing that the blasting craft of radar swivel bearing the most of the present invention produces is fine and smooth after blasting treatment
Du Genggao, the residual of oil quantity, rusty stain amount and oxide skin amount is lower, and in contrast the present invention has superiority significantly.
The invention provides the Shooting Technique of a kind of radar metalwork, step (1) bearing surface oils and fats and solvable dirt
Remove the method using alkali cleaning, the method can quickly remove the greasy dirt of bearing surface, the sand of step (2) derusting by sandblasting
Water content is less than 2%, and this standard can effectively ensure that being dried of the sand that sandblasting uses, and the sand of (2) present invention employing is that mass ratio is
The quartz sand of 1:1 and the mixture of corundum, the mixture of these two kinds of sand can use and the spray of the steel part to different hardness
Sand processes so that the technique range of the present invention is the most extensive, and used by step (2), the pre-treating technology of sand is: palpus before screening
Drying, be stored in hothouse, then carry out 2 screenings, use scalping to screen for the first time for the first time, second time uses dusting cover
Scalping 48 holes/cm2(particle diameter 1.2mm), dusting cover 476 holes/cm2(particle diameter carrying out selected, the screen-aperture being used sieve is:
0.3mm), the quality of the sand used in blasting treatment is ensure that by this technique.
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 blasting craft of a radar swivel bearing, it is characterised in that its step includes:
(1) go through, remove the welding slag of bearing surface, splashing attachment, and clean surface oils and fats and solvable dirt；
(2) sand of derusting by sandblasting, it is desirable to granule is hard, have corner angle, be dried, without earth and other impurity, sand material particle diameter is 0.5
～1.5mm；
(3), during grit blasting operation, air compressor machine air pressure is 6.0 × 105～6.5 × 105Pa, air pressure luffing is 0.5 × 105～1.0 ×
105Pa, the silicon sand size of sandblasting is 0.5 ~ 1mm (20 ~ No. 40), compressed air pressure 0.3 ~ 0.66Mpa(2 ~ 6 kilograms per centimeter
2), nozzle is 100～300mm to matrix steel surface distance, before sandblasting, non-sandblasting position is answered shielding protection, injection direction
It it is 15 °～30 ° with matrix steel surface normal angle；
(4) first tackle derusting by sandblasting position after sandblasting completes to check, to bearing surface degree of being cleaned and coarse comprehensively
Degree checks.
2. the blasting craft of the radar swivel bearing described in a claim 1, it is characterised in that step (1) bearing surface
Oils and fats and the method removing employing alkali cleaning of solvable dirt: NaOH and NaHCO with volume ratio as 1:13Mixed ammonium/alkali solutions removes
Bearing surface greasy dirt and solvable dirt, and clean up with water.
3. the blasting craft of the radar swivel bearing described in a claim 1, it is characterised in that step (2) derusting by sandblasting
The water content of sand less than 2%.
4. the blasting craft of the radar swivel bearing described in a claim 1, it is characterised in that step (2) present invention adopts
Sand be mass ratio be quartz sand and the mixture of corundum of 1:1.
5. the blasting craft of the radar swivel bearing described in a claim 1, it is characterised in that sand used by step (2)
Pre-treating technology is: must dry before screening, is stored in hothouse, then carries out 2 screenings, at the beginning of using scalping to carry out for the first time
Secondary screening, second time uses dusting cover to carry out selected.
The pre-treating technology of sand the most according to claim 5, it is characterised in that carry out screening in step (2) and used sieve
Screen-aperture be: scalping 48 holes/cm2(particle diameter 1.2mm), dusting cover 476 holes/cm2(particle diameter 0.3mm).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617189.8A CN106141928A (en) | 2016-08-01 | 2016-08-01 | A kind of blasting craft of radar swivel bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617189.8A CN106141928A (en) | 2016-08-01 | 2016-08-01 | A kind of blasting craft of radar swivel bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106141928A true CN106141928A (en) | 2016-11-23 |
Family
ID=57328218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610617189.8A Withdrawn CN106141928A (en) | 2016-08-01 | 2016-08-01 | A kind of blasting craft of radar swivel bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106141928A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106862744A (en) * | 2017-03-22 | 2017-06-20 | 本钢板材股份有限公司 | Flash welder electrode welding slag method for cleaning and cleaning tool |
| CN112092167A (en) * | 2019-06-17 | 2020-12-18 | 南京倍立达欧陆装饰艺术工程有限公司 | Rust removal method for curing vehicle |
| CN112223101A (en) * | 2019-06-30 | 2021-01-15 | 合肥太通制冷科技有限公司 | Steel wire cleaning device |
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| US7896726B1 (en) * | 2006-12-13 | 2011-03-01 | Huffman Corporation | Method and apparatus for removing coatings from a substrate using multiple sequential steps |
| CN101530846A (en) * | 2009-04-09 | 2009-09-16 | 厦门艾思欧标准砂有限公司 | Standard grit processing method |
| CN101985552A (en) * | 2010-11-04 | 2011-03-16 | 哈尔滨鑫润工业有限公司 | Method for removing defect of casting surface with spherical sand by sandblasting |
| CN105619256A (en) * | 2014-11-28 | 2016-06-01 | 重庆伊曼环保设备有限公司 | Steel surface sand blasting process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106862744A (en) * | 2017-03-22 | 2017-06-20 | 本钢板材股份有限公司 | Flash welder electrode welding slag method for cleaning and cleaning tool |
| CN112092167A (en) * | 2019-06-17 | 2020-12-18 | 南京倍立达欧陆装饰艺术工程有限公司 | Rust removal method for curing vehicle |
| CN112223101A (en) * | 2019-06-30 | 2021-01-15 | 合肥太通制冷科技有限公司 | Steel wire cleaning device |
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Application publication date: 20161123 |