CN100569891C - The cleaning foundry goods is with mixed metal abrasives and manufacture craft - Google Patents
The cleaning foundry goods is with mixed metal abrasives and manufacture craft Download PDFInfo
- Publication number
- CN100569891C CN100569891C CNB2008100146972A CN200810014697A CN100569891C CN 100569891 C CN100569891 C CN 100569891C CN B2008100146972 A CNB2008100146972 A CN B2008100146972A CN 200810014697 A CN200810014697 A CN 200810014697A CN 100569891 C CN100569891 C CN 100569891C
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- CN
- China
- Prior art keywords
- shot
- steel sand
- foundry goods
- mixed metal
- metal abrasives
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003082 abrasive agent Substances 0.000 title claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 34
- 239000002184 metal Substances 0.000 title claims abstract description 34
- 238000004140 cleaning Methods 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 92
- 239000010959 steel Substances 0.000 claims abstract description 92
- 239000004576 sand Substances 0.000 claims abstract description 91
- 101150045567 GP16 gene Proteins 0.000 claims abstract description 14
- 101150029683 gB gene Proteins 0.000 claims abstract description 14
- 238000012216 screening Methods 0.000 claims abstract description 13
- 238000005496 tempering Methods 0.000 claims abstract description 11
- 238000012856 packing Methods 0.000 claims abstract description 9
- 238000010791 quenching Methods 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 230000000171 quenching effect Effects 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 6
- 230000008018 melting Effects 0.000 claims abstract description 6
- 238000005469 granulation Methods 0.000 claims abstract description 5
- 230000003179 granulation Effects 0.000 claims abstract description 5
- 238000010298 pulverizing process Methods 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 abstract description 12
- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 9
- 239000002245 particle Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005422 blasting Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
Abstract
The cleaning foundry goods is with mixed metal abrasives and manufacture craft, belongs to the surface-conditioning that is specifically designed to foundry goods with metal abrasives and manufacture craft field.Be mainly used in the medium-and-large-sized part in the automobile casting, as cylinder body, the surface finish of Flywheel disc etc. is handled.Shot S550: steel sand GP14: steel sand GL14 weight proportion is 15-25%: 55-75%: 10-20%.Or shot S460: steel sand GP16: steel sand GL14 weight proportion is preferably 20%: 60%: 20%.Manufacture craft comprises melting, atomizing granulation, oven dry, screening, quenching, pulverizing, tempering, screening, mixing, packing.Mixed metal abrasives improves 15%-20% than common single shot cleaning efficiency, and the ball blast time reduces by 15%.Because the steel sand internal soundness is better than shot, do not have hollow and crackle, steel sand is in machine, and it is bigger than shot that the beginning corner angle become the bowlder consumption, but wearing and tearing are littler than shot during to the corner angle rounding, overall consumption low about 15%.
Description
Technical field
The cleaning foundry goods is with mixed metal abrasives and manufacture craft, belongs to the surface-conditioning that is specifically designed to foundry goods with metal abrasives and manufacture craft field.Be mainly used in the medium-and-large-sized part in the automobile casting, as cylinder body, the surface finish of Flywheel disc etc. is handled.
Background technology
The general cast steel ball that adopts of cast(ing) surface cleaning, automobile casting, especially medium-and-large-sized foundry goods, the shot model of employing is three kinds of S460, S550, S660, according to the behaviour in service and the industry development trend of present domestic foundry goods factory, there are the following problems:
Casting finish now adopts single shot to carry out Shot Blasting mostly, this shot behind ball blast in the ball blast machine abrasive material to contain small-particle many, the ball blast feed bin is full can not to add new shot, the excessive just effectively sand removal of the ratio of little shot, with after for some time as separator is bad in will the complete liquidation machine abrasive material; Short grained in addition increase can change the ball blast direction, because ball blast is by centrifugal force shot to be dished out, big quality shot is than the early blade that leaves of the shot of little quality.So the ratio of mixture of shot changes and can change the ball blast direction in machine, most is arranged is not to throw on the foundry goods but throw on the backplate at machine, adds the wearing and tearing of big machine.
Along with the raising of industrialization degree, the raising of production efficiency is more and more important, and the production of foundry goods is like this equally, obviously can't accelerate cleaning speed but carry out impeller blasting with single shot now, can have influence on the raising of production efficiency.
The production of shot is natural shaped, the shot of size particles is mixed together shaping, the shared ratio of model S460S550S660 is about 5% for every kind, shot ultimate production according to annual 300000 tons of China, total output of these three models is about ten thousand tons of 4-5, industry outside the automotive casting accounts for 30% to the demand (as industries such as steel construction) of this model, and about 10% output exports to abroad, the automobile casting annual production of China is more than 5,000,000 tons, to the demand of the shot of these three models greatly about 40,000 tons, so the shot of these three models is comparatively in short supply, part castings production producer has to adopt the shot of other models to carry out Shot Blasting, and the ball blast difficult quality ensures.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the problem that prior art exists, the cleaning foundry goods that provides a kind of and can satisfy specification of quality, increase work efficiency and can supply in batches is with mixed metal abrasives and manufacture craft.
The technical solution adopted for the present invention to solve the technical problems is: this cleaning foundry goods mixed metal abrasives, comprise steel sand, it is characterized in that: with two or three or the steel sand and the shot of plurality of specifications, hardness be mixed and made into.
The weight proportion of shot and steel sand is 25-45%: 55-75%.
Shot is S550 or S460, and steel sand is GP14, GL14 or GP16.
Shot S550: steel sand GP14: steel sand GL14 weight proportion is 15-25%: 55-75%: 10-20%.
Shot S550: steel sand GP14: steel sand GL14 weight proportion is preferably 20%: 60%: 20%.
Shot S460: steel sand GP16: steel sand GL14 weight proportion is 15-25%: 55-75%: 10-20%.
Shot S460: steel sand GP16: steel sand GL14 weight proportion is preferably 20%: 60%: 20%.
Above-mentioned cleaning foundry goods is characterized in that: comprise melting, atomizing granulation, oven dry, screening, quenching, pulverizing, tempering, screening, mixing, packing with the manufacture craft of mixed metal abrasives.
Quenching temperature and time are: shot S460, S550 Heating temperature: 780-840 ℃, and time: 40-60 minute, diameter 2.8-4.5mm steel sand, Heating temperature: 800-850 ℃, time: 40-60 minute.
Tempering is in tempering stove shot and steel sand to be heated naturally cooling: shot Heating temperature: 400-500 ℃, and time: 40-60 minute, steel sand GP Heating temperature: 380-450 ℃, time: 40-60 minute, steel sand GL Heating temperature: 320-380 ℃, time: 40-60 minute.
The performance principle:
The characteristics of each integral part are in the mixed metal abrasives:
Steel sand GL throws the harder layer of sand of manual labour part surface the first layer, it is very hard that sand is stained with at the position that also has foundry goods to have when casting, GL compares with steel sand, the hardness of shot is a little low relatively, and is a spheric point when contacting with cast(ing) surface, force limited, be difficult to cleaning completely, and steel sand GL relative hardness is higher, and sharp keen corner angle are arranged, and can clear up fast and effectively.
Steel sand GP also has certain corner angle, and elasticity is better, resilient energy cleaning groove and inwall when ball blast, because hardness ratio steel sand GL is low, corner angle slowly rounding can slowly become round, and high-efficiency abrasion-proof shows and grinds for a short time and not broken gradually, has the dual nature of shot and steel sand concurrently.
When shot plays the cleaning effect, can play mobile effect, slower because steel sand GL becomes circle.All there is dark water jacket in the foundry goods of throwing now, as engine cylinder-body and Flywheel disc etc., mechanical manipulator stops very short in the time of throwing water jacket, so the flowability difference of steel sand just can be blocked the hole, influence the sand removal at these water jackets and groove position, a certain proportion of shot then can make the mobile reinforcement of abrasive material, more can accelerate cleaning speed, and reduces the wearing and tearing to the ball blast machine.
Compared with prior art, the present invention clears up foundry goods: utilize the high-wearing feature of shot good mobility and steel sand GL and the mixed metal abrasives that good springiness is made, improve 15%-20% than common single shot cleaning efficiency, the ball blast time reduces by 15%.Because the steel sand internal soundness is better than shot, do not have hollow and crackle, steel sand is in machine, and it is bigger than shot that the beginning corner angle become the bowlder consumption, but wearing and tearing are littler than shot during to the corner angle rounding, overall consumption low about 15%.And cleaning speed is faster, the life-span is long, cost is low.
In addition, according to the production technique characteristic of shot, steel sand forms with the shot grinding and processing, the shot ratio that can be used in the processing steel sand is more relatively, accounts for 40% greatly, adds about 10% shot ratio, the closely ratio of half that accounts for of mixed metal abrasives can be used to process, competent supply can be guaranteed.
Embodiment
The cleaning foundry goods is with mixed metal abrasives and manufacture craft, specification of quality and ball blast technological principle according to casting finish, and different model, the shot of different hardness, the performance characteristics of steel sand, carry out rational shot, steel sand combination, form the mixed metal abrasives that cleaning speed is faster, the life-span is longer.
This cleaning foundry goods mixed metal abrasives, with two or three or the steel sand and the shot of plurality of specifications, hardness be mixed and made into.
The weight proportion of shot and steel sand is 25-45%: 55-75%.
Shot is S550 or S460, and steel sand is GP14, GL14 or GP16.
Shot S550: steel sand GP14: steel sand GL14 weight proportion is 15-25%: 55-75%: 10-20%.
Shot S550: steel sand GP14: steel sand GL14 weight proportion is preferably 20%: 60%: 20%.
Shot S460: steel sand GP16: steel sand GL14 weight proportion is 15-25%: 55-75%: 10-20%.
Shot S460: steel sand GP16: steel sand GL14 weight proportion is preferably 20%: 60%: 20%.
Above-mentioned cleaning foundry goods is characterized in that: comprise melting, atomizing granulation, oven dry, screening, quenching, pulverizing, tempering, screening, mixing, packing with the manufacture craft of mixed metal abrasives.
Screening is to filter out diameter 1.18-1.7mm respectively on the employing vibrating screener to be used to process the S460 shot, and diameter 1.4-2.0mm is used to process the S550 shot, and diameter 2.8-4.5mm is used to process steel sand G14.
Quenching temperature and time are: shot S460, S550 Heating temperature: 780-840 ℃, and time: 40-60 minute, diameter 2.8-4.5mm steel sand, Heating temperature: 800-850 ℃, time: 40-60 minute.
Tempering is in tempering stove shot and steel sand to be heated naturally cooling: shot Heating temperature: 400-500 ℃, and time: 40-60 minute, steel sand GP Heating temperature: 380-450 ℃, time: 40-60 minute, steel sand GL Heating temperature: 320-380 ℃, time: 40-60 minute.
Embodiment: mixed metal abrasives prescription and weight proportion:
Mixed metal abrasives 1: shot S550 15%: steel sand GP14 75%: steel sand GL14 10%.
Mixed metal abrasives 2: shot S550 20%: steel sand GP14 65%: steel sand GL14 15%.
Mixed metal abrasives 3: shot S550 20%: steel sand GP14 60%: steel sand GL14 20%.
Mixed metal abrasives 4: shot S550 25%: steel sand GP14 55%: steel sand GL14 20%.
Mixed metal abrasives 5: shot S460 15%: steel sand GP16 75%: steel sand GL14 10%.
Mixed metal abrasives 6: shot S460 20%: steel sand GP16 65%: steel sand GL14 15%.
Mixed metal abrasives 7: shot S460 20%: steel sand GP16 60%: steel sand GL14 20%.
Mixed metal abrasives 8: shot S460 25%: steel sand GP16 55%: steel sand GL14 20%.
The cleaning foundry goods is with mixed metal abrasives and manufacture craft such as following table:
| Main production process | Major equipment | Complete processing and main technical details |
| Melting | Electric arc furnace | Raw and auxiliary material is smelted into the satisfactory molten steel of composition by special furnace, needs in the melting engineering: add alloy materials such as silicon, manganese, increase the content that alloying element content is removed harmful elements such as sulphur, phosphorus |
| The atomizing granulation | Ladle/prilling granulator | Use the high pressure water impact molten steel, the molten steel post shrinkage of catching a cold is circular, forms spherical particle not of uniform size |
| Oven dry | Electro-magnet resistance-type stoving oven | Shot after being shaped is picked up from the pond, put into the stoving oven oven dry |
| Screening | Vibrating screener | To mix shot and be filtered into the different grain size scope, and store respectively, the needed particle of compound abrasive comprises: diameter 1.18-1.7mm is used to process shot S460 diameter 1.4-2.0mm and is used to process shot S550 diameter 2.8-4.5mm and is used to process steel sand G14 |
| Quench | Rotary retort type electric resistance furnace | With electric furnace shot is heated, water chilling and quenching temperature and time is put in insulation after for some time: shot S460S 550 Heating temperatures: 780-840 ℃ of time: 40-60 minute steel sand 2.8-4.5mm Heating temperature: 800-850 ℃ time: 40-60 minute |
| Pulverize | The pair roller type pulverizer | With pulverizer the spherical shot of diameter 2.8-4.5mm is broken into the angular irregular particle, with the vibratory screening apparatus on the pulverizer particle of pulverizing is carried out the size screening, screen cloth adopts upper screen cloth 2.0mm, lower screen cloth 1.4mm, get middle portion, excessive and too small part is handled as other models |
| Tempering | The continous way tempering stove | With tempering stove the heating of shot and steel sand, naturally cooling: shot Heating temperature: 400-500 ℃ time: 40-60 minute steel sand GP Heating temperature: 380-450 ℃ of time: 40-60 minute steel sand GL Heating temperature: 320-380 ℃ time: 40-60 minute |
| Screening | Vibrating screener | Shot or steel sand are filtered into the size range of requirement, and store respectively |
| Mix | Special-purpose mixing device | To meet the shot of granularity requirements and steel sand according to the rational proportion uniform mixing, preferred blending ratio is: shot S550: steel sand GP14: steel sand GL14 is 20%: 60%: 20% shot S460: steel sand GP16: steel sand GL14 is 20%: 60%: 20% |
| Packing | Wrapping machine | With the melange packing bag of packing into, and break into big packing according to the packing of order requirements |
Application prospect:
Owing to be subjected to the energy, the price of labour power and Effect of Environmental, the casting output of west industrially developed country will reduce gradually, then to developing country's buying foundry goods, China occupies main share, and a large amount of well-known foundry enterprises is all set up individual proprietorship or joint factory in China, current, the acceleration of globalization of world economy process provides opportunity for the development of China's foundry industry, and international and domestic market is the trend of sustainable growth to the demand of China's foundry goods.Meanwhile, also having driven Chinese casting industry develops towards high technology content, high added value and the green direction that intensifies.
Since 2002, the share that China's personal car purchase accounts for whole automobile market promotes rapidly, and the personal car purchase ratio surpasses 50% first, but compares with American-European developed country, still has big gap, and growth potential is very big.Though be subjected to the restriction of factors such as urban capacity and rise of the oil price, insider prediction still can remain on 10-15% to the year growth rate of demand in Chinese automobile market in 2010.Automobile demand will reach ten thousand of 880-1200 in 2010, automobile pollution will reach ten thousand of 5000-5500, therefore the impetus that will the keeper increases of the automobile industry of China, the development of automobile industry is with the development of direct driving automobile foundry goods industry, according to the production technology characteristic of shot, the increase of output is difficult to be expanded into direct ratio with the output of foundry goods, adds that castings production is more and more higher to the requirement of production efficiency, the application of mixed metal abrasives will obtain bigger popularization, and advantage also will obtain bigger performance.This cleaning foundry goods can satisfy the requirement of market to quality and output with mixed metal abrasives.
Claims (5)
1, cleaning foundry goods mixed metal abrasives, it is characterized in that: shot S550: steel sand GP14: steel sand GL14 weight proportion is 15-25%: 55-75%: 10-20%.
2, cleaning foundry goods mixed metal abrasives according to claim 1, it is characterized in that: shot S550: steel sand GP14: steel sand GL14 weight proportion is preferably 20%: 60%: 20%.
3, cleaning foundry goods mixed metal abrasives, it is characterized in that: shot S460: steel sand GP16: steel sand GL14 weight proportion is 15-25%: 55-75%: 10-20%.
4, cleaning foundry goods mixed metal abrasives according to claim 3, it is characterized in that: shot S460: steel sand GP16: steel sand GL14 weight proportion is preferably 20%: 60%: 20%.
5, according to the manufacture craft of claim 1 or 3 described cleaning foundry goods usefulness mixed metal abrasives, it is characterized in that: comprise melting, atomizing granulation, oven dry, screening, quenching, pulverizing, tempering, screening, mixing, packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100146972A CN100569891C (en) | 2008-03-02 | 2008-03-02 | The cleaning foundry goods is with mixed metal abrasives and manufacture craft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100146972A CN100569891C (en) | 2008-03-02 | 2008-03-02 | The cleaning foundry goods is with mixed metal abrasives and manufacture craft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101362933A CN101362933A (en) | 2009-02-11 |
| CN100569891C true CN100569891C (en) | 2009-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2008100146972A Expired - Fee Related CN100569891C (en) | 2008-03-02 | 2008-03-02 | The cleaning foundry goods is with mixed metal abrasives and manufacture craft |
Country Status (1)
| Country | Link |
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| CN (1) | CN100569891C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101774158B (en) * | 2010-02-10 | 2011-08-10 | 淄博大亚金属科技股份有限公司 | Surface cleaning mixed abrasive material special for ships |
| CN102477283B (en) * | 2010-11-26 | 2015-08-26 | 大连船舶重工集团有限公司 | Spy with priming paint is coated with cabin surface treatment metal abrasives |
| CN102952522A (en) * | 2012-11-20 | 2013-03-06 | 无锡常安通用金属制品有限公司 | Abrasive material for abrading and polishing castings |
| CN103878352B (en) * | 2014-04-08 | 2015-11-04 | 苏州石川制铁有限公司 | A kind of method for foundry goods, running channel and rising head removing surface |
| CN106112829A (en) * | 2016-08-05 | 2016-11-16 | 福建省马尾造船股份有限公司 | A kind of boat segmental application sand-blasting abrasive and preparation method thereof |
| CN107738190A (en) * | 2017-11-14 | 2018-02-27 | 江苏飞腾铸造机械有限公司 | A kind of ball blast technique method for workpiece |
| CN112518593A (en) * | 2020-12-03 | 2021-03-19 | 天津众达精密机械有限公司 | Shot blasting cleaning method for machining castings |
-
2008
- 2008-03-02 CN CNB2008100146972A patent/CN100569891C/en not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| 钢丸(砂) 的制取设备和工艺. 李树江.中国铸造装备与技术，第3期. 1998 |
| 钢丸(砂) 的制取设备和工艺. 李树江.中国铸造装备与技术，第3期. 1998 * |
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| Publication number | Publication date |
|---|---|
| CN101362933A (en) | 2009-02-11 |
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Denomination of invention: Mixed metal abrasives for cleaning cast and production technology Effective date of registration: 20150909 Granted publication date: 20091216 Pledgee: Zibo Xinrun financing Company limited by guarantee Pledgor: ZIBO TAA METAL TECHNOLOGY Co.,Ltd. Registration number: 2015980000215 |
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