CN108220747B - A kind of preparation process and its cleaning equipment of abrasion-proof steel ball steel - Google Patents
A kind of preparation process and its cleaning equipment of abrasion-proof steel ball steel Download PDFInfo
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- CN108220747B CN108220747B CN201810011366.7A CN201810011366A CN108220747B CN 108220747 B CN108220747 B CN 108220747B CN 201810011366 A CN201810011366 A CN 201810011366A CN 108220747 B CN108220747 B CN 108220747B
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- steel ball
- cleaning case
- service sink
- steel
- cleaning
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 153
- 239000010959 steel Substances 0.000 title claims abstract description 153
- 238000004140 cleaning Methods 0.000 title claims abstract description 121
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000005554 pickling Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 238000007670 refining Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000005406 washing Methods 0.000 claims abstract description 7
- 238000009749 continuous casting Methods 0.000 claims abstract description 6
- 238000005496 tempering Methods 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 34
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 24
- 239000000243 solution Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 15
- 229910052786 argon Inorganic materials 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 210000003734 kidney Anatomy 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 235000013399 edible fruits Nutrition 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 3
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 229910000720 Silicomanganese Inorganic materials 0.000 claims description 3
- 239000012298 atmosphere Substances 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims description 3
- 239000012286 potassium permanganate Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000006386 neutralization reaction Methods 0.000 abstract description 2
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 238000009849 vacuum degassing Methods 0.000 description 3
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 239000006210 lotion Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/14—Making articles shaped as bodies of revolution balls, rollers, cone rollers, or like bodies
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/086—Iron or steel solutions containing HF
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses the preparation processes and its cleaning equipment of a kind of abrasion-proof steel ball steel, belong to spherical steel processing technique field, technical points: a kind of preparation process of abrasion-proof steel ball steel includes that abrasion-proof steel ball is made after converter, LF refining, VD refining, continuous casting, aligning, rolling, washing, pickling, neutralization, Q-tempering and packaging and warehousing.The cleaning equipment of its abrasion-proof steel ball, including cleaning case, agitating paddle is rotatably connected in cleaning case, the motor of driving agitating paddle rotation is equipped with above agitating paddle, lower end is extend into service sink, and cleaning case is equipped with feed inlet, it is mounted therein with the service sink for placing steel ball, the outer wall of service sink is equipped with the bracket with cleaning case sliding connection, and the lower end of bracket is fixedly connected on service sink, and the upper end passes through cleaning case and protrudes outside cleaning case.The present invention not only high production efficiency, and steel ball quality is higher；By using above-mentioned cleaning equipment, other dirts can also be removed while removing the greasy dirt of steel ball surface, cleaning capacity is higher.
Description
Technical field
The invention belongs to spherical steel processing technique fields, more specifically, it relates to a kind of preparation of abrasion-proof steel ball steel
Technique and its cleaning equipment.
Background technique
With the development of economy with the continuous promotion of people's living standard, abrasion-proof steel ball is a kind of powder in ball mill
Broken medium, the close attention in the material in crushing mill by pertinent art.Building materials, metallurgy, mine, ceramics with
And the abrasion-proof steel ball that the industries such as electric power use is divided into steel ball casting and forging rolling steel ball two major classes.Wherein, steel ball casting mainly has
Chromium steel ball, high chrome ball and chromium steel steel ball etc..
In general, also known as resistance to " heat " ball of cast ball, be suitble to dry grinding, in ore dressing especially semi-autogenous mill or 100 mm with
On ball, cast ball is easy to break, and wear resistance and hardness is poor.Service life is short, needs to regularly replace, increases production
Cost.
In addition, also useful train wheel blanking forges, this steel ball is at low cost, but steel ball centre hardness is low, fragile
Broken, wear-resisting property is poor.Therefore it needs to propose the new technical solution of one kind to solve the above problems.
Summary of the invention
In view of the deficienciess of the prior art, the purpose of the present invention one is to provide a kind of preparation work of abrasion-proof steel ball steel
Skill, improve steel ball wearing coefficient and corrosion-resistant intensity, extend the service life of steel ball.
To achieve the above object one, the present invention provides the following technical scheme that a kind of preparation process of abrasion-proof steel ball steel, packet
Following operating procedure is included,
Step S1, converter: by it is blast-melted and other drying process after raw material ferrosilicon, silicomanganese, high carbon ferro-chrome,
Low nitrogen carbon dust and steel scrap are successively put into converter according to the proportion after melting and reducing and are smelted, heating temperature >=1250
DEG C, tapping temperature is controlled at 1630-1650 DEG C, obtains molten steel；
Step S2, LF refining: the molten steel refined in converter is transferred in ladle, under reducing atmosphere and argon gas stirring,
LF refining processing is carried out in LF furnace using white slag simultaneously；
Step S3, VD is refined: after the ladle of step S2 is entered VD furnace, VD furnace bottom carries out Argon gas disposal, wherein argon
The flow of gas is 100-200 L/min, and pressure is 0.3-0.4 MPa, and Fruit storage is then carried out after closing lid, and vacuum is kept
20 min or more carry out refining treatment in VD furnace after vacuum outgas；
Step S4, continuous casting: under the protection of argon gas, the molten steel after refining is constantly passed through into water mold, after casting
Obtain slab；
Step S5, slab obtained in step S4 is entered into withdrawal straightening machine and carries out loose blank surface and plate shape straightening processing；
Step S6, slab puts into heating furnace by inspection, weighing and after surveying long processing and is heated, then by it
Steel ball is rolled on groove skew rolling machine；
Step S7, steel ball obtained in step S6 is placed in supersonic wave cleaning machine first and is ultrasonically treated, then
Steel ball is screened again, does not have defective steel ball to carry out quenching and tempering, hardening heat 830-860 again on surface
DEG C, it is then cooling stand-by；
Step S8, wash: steel ball made from step S7 is placed in cleaning equipment, and plant ash is added to institute in proportion
It states and carries out washing process in cleaning equipment, the extra grease of removal steel ball surface；
Step S9, pickling: the steel ball that step S8 is obtained is placed in pickling tube, then using nitric acid and fluoride as acid
Washing lotion carries out pickling processes, is then flushed three times with deionized water, and dehydration is stand-by；
Step S10, the steel ball in step S9 after pickling processes is used into 10% mass fraction NaOH and 4% mass fraction
KMnO4Mixed solution in impregnate 5-60 min, temperature control at 70-82 DEG C, to remove smut, then use deionized water
Flush three times rear dried for standby；
Step S11, it is packed in storage after collection, weighing and inspection processing.
By using above-mentioned technical proposal, in step sl, other originals are understood by blast-melted, steel scrap and with ferroalloy etc.
Material is added sequentially to be smelted in converter, under the basis not by external energy, only by iron liquid itself physical thermal and
Chemical reaction generates heat and completes steelmaking process in converter between iron liquid component, energy saving and reduce cost.Turning simultaneously
A large amount of sulphur can be effectively sloughed during furnace, i.e., by increase calcium and magnesium ion, it is made to produce sulfide in conjunction with sulphur, from
And other clinker absorption, removal can reach the effect of desulfurization.
In step s 2, the molten steel after desulfurization is subjected to LF refining, is refined using white slag machine, because white slag is in LF furnace
It is interior that there is very strong reproducibility, oxygen in steel, sulphur and inclusion content can be reduced, the absorption of oxide is made from there through white slag
With to achieve the purpose that deoxidization desulfuration.
In step s3, (vacuum degassing furnace is oxygen blast under vacuum to VD furnace, that is, vacuum degassing furnace, decarburization, vacuum degassing, true
The lower alloying component fine tuning of sky) complete the tasks such as degassing, stirring, molten steel can be carried out Fruit storage and vacuum alloy at
Divide fine tuning.
In step s 4, the molten steel after trimming is carried out being poured obtained slab on conticaster, then in step S5
It is middle that slab carries out to straightening processing on withdrawal straightening machine, at the same can also loose blank surface oxide, for the later period pickling and roll
Make ready-made preparation.
Then obtained steel ball after being rolled in step s 6 using groove skew rolling machine, not only high production efficiency, but also
Can also be high-quality, in the extrusion process of groove skew rolling machine, so that various field trashes have the modeling of any at high temperature in steel ball
Property, the tissue in threadiness distribution can be extended along deformation direction, had and further improved the mechanical performance of above-mentioned steel ball, make
It is fine and close to obtain metal structure, crystal grain refinement.
Quenching and tempering are carried out in the step s 7, effectively increase the hardness and wear-resisting property of steel ball.Due to steel ball
On the surface of steel ball can be attached with the dirts such as a large amount of grease, steel foam and silt in production and processing, by step s 8 into
Row washing process can effectively remove the grease of steel ball surface, be conducive to improve later period pickling effect.
Then pickling is carried out by pickling solution in step s 9, is conducive to the corrosion-resistant intensity for improving slab；Then in step
Addition lye can neutralize acid solution extra above in rapid S10, improve its corrosion resistance.
Then it can be packed in storage to obtain the abrasion-proof steel ball of finished product after being collected weighing in step s 11 again.
The present invention is further arranged to: in step S7, steel ball being placed in supersonic wave cleaning machine carry out at ultrasound first
Reason.
Since steel ball is during rolling and casting, the surface of steel ball will form a large amount of iron rust and then influence later period acid
Wash effect, and by using above-mentioned technical proposal, under the action of ultrasonic wave, enable to cleaning solvent to flow and generate number with
The micro-bubble that the diameter of ten thousand meters is 50-500 μm, above-mentioned micro-bubble (it is molten to refer to that ultrasonic wave acts on cleaning in cavitation
When agent, the rupture moment of each bubble can generate the great shock wave of ability in cleaning solvent, which is equivalent to moment production
The high temperature of Sheng Ji Baidu and up to thousands of a atmospheric pressure) under can clean or wash away the effect of steel ball surfaces externally and internally.
In view of the deficienciess of the prior art, the purpose of the present invention two is that its cleaning for providing a kind of abrasion-proof steel ball is set
It is standby, the greasy dirt of steel ball surface can not only be removed very well, and can also further remove other dirts of steel ball surface, clean energy
Power is higher.
To achieve the above object two, the present invention provides the following technical scheme that a kind of preparation process of abrasion-proof steel ball steel, packet
Cleaning case is included, agitating paddle is rotatably connected in the cleaning case, the motor of driving agitating paddle rotation is equipped with above the agitating paddle,
Its lower end is extend into service sink, and the cleaning case is equipped with feed inlet, is mounted therein with the service sink of upper end opening, described clear
The outer wall of wash pool is equipped with the bracket with cleaning case sliding connection, and the lower end of the bracket is fixedly connected on service sink,
Upper end passes through the cleaning case and protrudes outside cleaning case.
By using above-mentioned technical proposal, steel ball to be washed is put into service sink by operator from feed inlet, and
It is fully immersed in steel ball in cleaning solution (mixed solution of water and plant ash), starts motor, and agitating paddle rotation pushes steel
Ball movement, the greasy dirt being now placed on steel ball can be with plant ash (K2CO3) react and generate similar with soap in aqueous solution
The surfactant of effect.The greasy dirt of steel ball surface can not only be removed very well, and can also further remove steel ball surface
Other dirts, cleaning capacity are higher.
The present invention is further arranged to: discharge port is offered on the side wall of the cleaning case, the service sink lower end opens up
There is aperture, the outer wall of the aperture is equipped with the expanded sheet metal for opening and closing the aperture, and one end of the expanded sheet metal is hinged
On the lower end inner wall of discharge port, the other end is rotatably connected on the lower end of service sink；The lower end of the service sink is equipped with shaft,
The expanded sheet metal offers the kidney slot for the shaft grafting on one end close to cleaning case, and the expanded sheet metal can
It is downwardly turned over around shaft to open the aperture.
By using above-mentioned technical proposal, after the completion of cleaning, operator need to will only pull up bracket, so that service sink is perpendicular
It directly moves up, one end of expanded sheet metal is moved up with service sink at this time, since the other end is hinged on the lower end of discharge port
On inner wall, therefore the upper end of expanded sheet metal can be around pivoted downward, while shaft also can be along the length side of kidney slot
To movement so that expanded sheet metal from service sink to discharge port direction diagonally downward, thus steel ball can be along above-mentioned inclined steel
Silk screen plate is moved down and is discharged from discharge port, can take out above-mentioned steel ball out of cleaning case；Without will be from feed inlet
Place takes out one by one, so that operator's enhanced convenience, laborsaving and quick when taking steel ball.
The present invention is further arranged to: the upper end of the bracket is equipped with handle, and the lower end of the handle is contradicted in service sink
Upper surface when, the horizontal closed aperture of the expanded sheet metal, while the side wall of service sink seals the discharge port.
By using above-mentioned technical proposal, when purged, the side wall of service sink seals discharge port, clear thus, it is possible to reduce
Dilution flows out and influences the cleaning effect of steel ball from above-mentioned discharge outlet.At the same time, the lower end of handle is connected to service sink
Upper surface when, expanded sheet metal horizontal cover close service sink lower end tapping；Thus steel ball, which can be stablized, is located in service sink
It is interior, without fallen to out of service sink in cleaning case influence the later period fetch so that operator when taking steel ball more
It is convenient and quick.
The present invention is further arranged to: the lower end of the cleaning case is equipped with drainpipe, is equipped with water discharging valve on drainpipe.
By using above-mentioned technical proposal, operator opens water discharging valve, cleaning solution can be from draining before taking out steel ball
Discharge, mentions bracket upwards again then to open discharge port in pipe, moves down steel ball along expanded sheet metal inclined-plane and from discharging
Mouth discharge reduces the probability that cleaning solution is discharged from discharge port together with steel ball at this time；Cleaning solution is repeated
It utilizes, improves the recovery utilization rate of cleaning solution.
The present invention is further arranged to: the upper end of the cleaning case is hinged with the lid for opening and closing the feed inlet.
By using above-mentioned technical proposal, reduces cleaning solution in whipping process and be splashed to outside cleaning case from feed inlet
Phenomenon reduces unnecessary loss, has saved cost.
The present invention is further arranged to: the lid is equipped with U-shaped handle.
By using above-mentioned technical proposal, U-shaped handle is installed on lid, it is very convenient.
The present invention is further arranged to: spray equipment is equipped with above the cleaning case.
By using above-mentioned technical proposal, after completing cleaning, operator open spray equipment to steel ball be rinsed with
The spot and plant ash for being attached to steel ball surface are scrubbed, the cleaning function of cleaning case is improved.
The present invention is further arranged to: the cleaning case includes internal box and outer case, the internal box and outer case it
Before heating wire is installed.
The spots such as greasy dirt are improved in cleaning solution by electric-heating-wire-heating cleaning solution by using above-mentioned technical proposal
In solubility, improve the efficiency and speed of cleaning.
In conclusion the invention has the following advantages:
1, the not only high production efficiency of steel ball made from mode of the present invention by using rolling, and steel ball quality is higher；
2, further steel ball surface is cleaned, pickling and neutralisation treatment, effectively increases the wear-resisting property of ball steel
And mechanical strength, extend the service life of ball steel；
3, by using above-mentioned cleaning equipment, the greasy dirt of steel ball surface can not only be removed very well, and can also be further
Other dirts of steel ball surface are removed, cleaning capacity is higher.
Detailed description of the invention
Fig. 1 is the process flow chart of the present embodiment；
Fig. 2 is the perspective view of cleaning case in the present embodiment under no clean state；
Fig. 3 is the cross-sectional view of cleaning case in the present embodiment under no clean state；
Fig. 4 is the perspective view removed in the present embodiment after internal box, outer case and heating wire under cleaning state；
Fig. 5 is the enlarged drawing of A in Fig. 4, is mainly used for embodying the position between kidney slot and shaft and connection relationship；
Fig. 6 is the perspective view of another angle of cleaning case in the present embodiment under cleaning state；
Fig. 7 is the cross-sectional view of cleaning case in the present embodiment under cleaning state, is mainly used for being embodied under cleaning state, is cleaned
The side wall in pond seal material mouth, expanded sheet metal enclosed cleaning pond lower ending opening situation.
Detailed description of the invention: 1, cleaning case；2, agitating paddle；3, motor；4, service sink；5, bracket；6, feed inlet；7, discharge port；
8, aperture；9, expanded sheet metal；10, shaft；11, kidney slot；12, handle；13, drainpipe；14, water discharging valve；15, lid；16,
U-shaped handle；17, spray equipment；18, internal box；19, outer case；20, heating wire.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
A kind of preparation process of abrasion-proof steel ball steel, as shown in Figure 1, including following operating procedure:
Step S1, converter: by it is blast-melted and other drying process after raw material ferrosilicon, silicomanganese, high carbon ferro-chrome,
Low nitrogen carbon dust and steel scrap are successively put into converter according to the proportion after melting and reducing and are smelted, heating temperature >=1250
DEG C, tapping temperature is controlled at 1630-1650 DEG C, obtains molten steel；
Step S2, LF refining: the molten steel refined in converter is transferred in ladle, under reducing atmosphere and argon gas stirring,
LF refining processing is carried out in LF furnace using white slag simultaneously；
Step S3, VD is refined: after the ladle of step S2 is entered VD furnace, VD furnace bottom carries out Argon gas disposal, wherein argon
The flow of gas is 100-200 L/min, and pressure is 0.3-0.4 MPa, and Fruit storage is then carried out after closing lid, and vacuum is kept
20 min or more carry out refining treatment in VD furnace after vacuum outgas；
Step S4, continuous casting: under the protection of argon gas, the molten steel after refining is constantly passed through into water mold, after casting
Obtain slab；
Step S5, slab obtained in step S4 is entered into withdrawal straightening machine and carries out loose blank surface and plate shape straightening processing；
Step S6, slab puts into heating furnace by inspection, weighing and after surveying long processing and is heated, then by it
The roll forming on groove skew rolling machine；Its milling method is specifically divided into three steps: first by the continuous casting billet after heating in breaking down
Machine carries out just rolling process, and the temperature of open rolling is 1050-1100 DEG C；Then the continuous casting billet after rolling is cut by flying shear
After head or tail processing, continuous rolling is being carried out on groove skew rolling machine into steel-ball mill；Then carried out at finish rolling using finishing mill
Reason, mill inlet temperature are 940-960 DEG C, obtain steel ball after cooling；
Step S7, quenching is carried out after being screened steel ball obtained in step S6 and tempering, hardening heat are
It is 830-860 DEG C, then cooling stand-by；
Step S8, wash: steel ball made from step S7 is placed in cleaning equipment, and plant ash is added to institute in proportion
It states and carries out washing process in cleaning equipment, the extra grease of removal steel ball surface；
Step S9, pickling: the steel ball that step S8 is obtained is placed in pickling tube, then using nitric acid and fluoride as acid
Washing lotion carries out pickling processes, is then flushed three times with deionized water, and dehydration is stand-by；
Step S10, the steel ball in step S9 after pickling processes is used into 10%(mass fraction) NaOH and 4%(mass
Score) KMnO4 mixed solution in impregnate 5-60 min, temperature control at 70-82 DEG C, to remove smut, then spend
Ionized water flushes three times rear dried for standby；
Step S11, it is packed in storage after collection, weighing and inspection processing.
The principle of the present embodiment illustrates: a kind of cleaning equipment of abrasion-proof steel ball of the present embodiment is divided into cleaning state and non-clear
Wash two kinds of situations of state.Wherein, under cleaning state, the lower end of handle 12 is contradicted on the upper surface of service sink 4, and steel wire
The horizontally disposed and closed lower end aperture 8 of service sink 4 of plate 9；The side wall of service sink 4 seals the discharge port 7 of cleaning case 1 simultaneously
(see figure 7).
Under no clean state, manual-up pulling handle 12 is needed, so that bracket 5 moves up, and drives service sink 4 along branch
The length direction of frame 5 moves up, and moving up for service sink 4 opens discharge port 7.At the same time, service sink 4 is also further driven to
One end of expanded sheet metal 9 moves up；In addition, be hinged on due to the other end of expanded sheet metal 9 on the lower end inner wall of discharge port 7,
Expanded sheet metal 9 becomes heeling condition from horizontality, and above-mentioned expanded sheet metal 9 dips down from service sink 4 to discharge port 7
Tiltedly.Thus (see figure 3) can be discharged from discharge port 7 along expanded sheet metal 9 in the steel ball in service sink 4.
A kind of cleaning equipment, for the cleaning of steel ball after rolling, to remove the greasy dirt and grease stain of steel ball surface, such as Fig. 2 and
Shown in Fig. 3, including cleaning case 1, cleaning case 1 are equipped with feed inlet 6, are mounted therein with the service sink 4 of upper end opening, while clear
It is rotatably connected to an agitating paddle 2 in tank-washer 1, motor 3 is wherein equipped with above agitating paddle 2, motor 3 is fixedly mounted on cleaning case 1
Upper end outer wall on, motor 3 drive agitating paddle 2 rotate.And the lower end of agitating paddle 2 is extend into service sink 4, outside service sink 4
Wall is equipped with the bracket 5 with the sliding connection of about 1 cleaning case, and bracket 5 is in inverted " u " word shape, is welded on clearly in the lower end of bracket 5
On the outer wall of wash pool 4, the upper end passes through cleaning case 1 and protrudes outside cleaning case 1.
As shown in Figures 2 and 3, in order to reduce unnecessary loss, the upper end of cleaning case 1 be hinged with for open and close into
The lid 15 of material mouth 6, the lid 15 are scimitar shaped.Operator is closed by lid to be stated feed inlet 6 and can reduce whipping process
Middle cleaning solution is splashed to the phenomenon outside cleaning case 1 from feed inlet 6, has saved cost.It is closed or opened in order to facilitate the operation of person
Above-mentioned feed inlet 6 is equipped with U-shaped handle 16 on lid 15, facilitates operator and opens and closes above-mentioned lid 15.
As shown in Figures 2 and 3, in order to improve the cleaning function of cleaning case 1, spray equipment 17 is equipped with above cleaning case 1,
Operator opens spray equipment 17 and is rinsed to steel ball to scrub the spot and plant ash that are attached to steel ball surface, improves clear
The cleaning function of tank-washer 1.
As shown in Figures 2 and 3, steel ball is extracted in order to facilitate the operation of person, a square shape is offered on the side wall of cleaning case 1
Discharge port 7；As shown in connection with fig. 4, service sink 4 is enclosed by four blocks of continuous vertical steel plates, while in the lower end of service sink 4
Face offers the aperture 8 of square, and the steel ball being now placed in service sink 4 can be discharged to service sink 4 from above-mentioned aperture 8
Outside.As shown in Figure 3 and Figure 4, one piece is equipped on the outer wall of aperture 8 for opening and closing the expanded sheet metal 9 of above-mentioned aperture 8, wherein
One end of expanded sheet metal 9 is hinged on the lower end inner wall of discharge port 7, and the other end is rotatably connected on the lower end of service sink 4.Its
In, the lower end of service sink 4 is equipped with a shaft 10, while expanded sheet metal 9 is offered on one end close to cleaning case 1 for turning
The kidney slot 11 of 10 grafting of axis and sliding, thus expanded sheet metal 9 can be downwardly turned over around shaft 10, while shaft 10 also can edge
The length direction of kidney slot 11 tilt upward sliding, expanded sheet metal 9 can tilt down and aperture 8 is enable to be promoted at this time
It is opened during service sink 4.And steel ball moves down under the action of its own gravity along the inclined-plane of expanded sheet metal 9 and from go out
Material mouth 7 is discharged, and thus steel ball can be discharged.
As shown in figure 4, the height in order to keep liquid level in service sink 4, is equipped with a handle 12 in the upper end of bracket 5,
Above-mentioned handle 12 is located at 5 upper end of bracket, and when the lower end of handle 12 is contradicted at the upper surface of service sink 4, the side wall of service sink 4 is close
Discharge port 7 is sealed, thus, it is possible to reduce the cleaning effect that cleaning solution flows out from above-mentioned discharge port 7 and influences steel ball.With
This simultaneously, as shown in figs. 4 and 7, expanded sheet metal 9 it is horizontal it is closed live above-mentioned aperture 8, what thus steel ball can be stable be placed on clear
In wash pool 4, fetched without falling to the influence later period in cleaning case 1 out of service sink 4, so that operator is when taking steel ball
Enhanced convenience and quick.
As shown in Figure 6 and Figure 7, in order to improve the recovery utilization rate of cleaning solution, the lower end of cleaning case 1 is equipped with drainpipe
13, water discharging valve 14 is installed on drainpipe 13.Operator opens water discharging valve 14, and cleaning solution can be arranged out of drainpipe 13
Out, it mentions bracket 5 upwards again then to open discharge port 7, moves down steel ball along 9 inclined-plane of expanded sheet metal and from discharge port 7
Discharge reduces the probability that cleaning solution is discharged from discharge port 7 together with steel ball at this time；Cleaning solution is enabled to be repeated benefit
With.
As shown in fig. 7, cleaning case 1 includes internal box 18 and outer case 19, inside in order to improve the efficiency of cleaning and speed
There is heat insulation cavity between cabinet 18 and outer case 19, heating wire 20 is installed between internal box 18 and outer case 19, it is above-mentioned
Heating wire 20 is located at 1 bottom of cleaning case.By heating cleaning solution, solubility of the spots such as greasy dirt in cleaning solution is improved,
Improve the efficiency and speed of cleaning.
Working principle:
When cleaning, the person of being operated first holds U handle and is flipped up lid 15, and lid 15 is around lid 15 and cleaning case at this time
Hinge joint between 1 is flipped up, and feed inlet 6 is opened, and then steel ball to be cleaned is sequentially placed into service sink 4 by operator
Interior, then addition such as cleaning solution (mixture of water and plant ash), closes feed inlet 6 with rear cover from feed inlet 6；Start simultaneously
Motor 3, motor 3 drives agitating paddle 2 to rotate, so that cleaning solution comes into full contact with steel ball, operator is beaten after cleaning 20-30 minutes
Begin to rehearse penstock 14, and cleaning solution is flowed out from drainpipe 13, opens simultaneously spray equipment 17, is rinsed to steel ball, rinses 2-3
It is drained all over rear standing.
Then operator holds handle 12, is lifted up bracket 5, and bracket 5 drives service sink 4 to move up along the vertical direction, this
When expanded sheet metal 9 one end move up with service sink 4, be hinged on due to the other end on the lower end inner wall of discharge port 7,
The upper end of expanded sheet metal 9 can be rotated down around shaft 10, while shaft 10 can also be moved along the length direction of kidney slot 11
It is dynamic so that expanded sheet metal 9 from service sink 4 to 7 direction of discharge port diagonally downward, thus steel ball can be along above-mentioned inclined steel wire
Web plate 9 is scrolled down through and is discharged from discharge port 7, above-mentioned steel ball can be taken out out of cleaning case 1, be completed the clear of entire steel ball
Wash journey.
Specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
It can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as in this hair
All by the protection of Patent Law in bright scope of the claims.
Claims (7)
1. a kind of preparation process of abrasion-proof steel ball steel, it is characterised in that: including following operating procedure,
Step S1, converter: by raw material ferrosilicon, the silicomanganese, high carbon ferro-chrome, low nitrogen after blast-melted and other drying process
Carbon dust and steel scrap are successively put into converter according to the proportion after melting and reducing to be smelted, heating temperature >=1250 DEG C, out
Steel temperature is controlled at 1630-1650 DEG C, obtains molten steel；
Step S2, LF refining: the molten steel refined in converter is transferred in ladle, under reducing atmosphere and argon gas stirring, simultaneously
LF refining processing is carried out in LF furnace using white slag；
Step S3, VD is refined: after the ladle of step S2 is entered VD furnace, VD furnace bottom carries out Argon gas disposal, wherein argon gas
Flow is 100-200 L/min, and pressure is 0.3-0.4 MPa, and Fruit storage is then carried out after closing lid, and vacuum keeps 20
Min or more carries out refining treatment in VD furnace after vacuum outgas；
Step S4, continuous casting: under the protection of argon gas, the molten steel after refining is constantly passed through into water mold, is obtained after casting
Slab；
Step S5, slab obtained in step S4 is entered into withdrawal straightening machine and carries out loose blank surface and plate shape straightening processing；
Step S6, slab puts into heating furnace by inspection, weighing and after surveying long processing and is heated, then by it in hole
Steel ball is rolled on type skew rolling mill；
Step S7, quenching and tempering, hardening heat 830-860 are carried out after being screened steel ball obtained in step S6
DEG C, it is then cooling stand-by；
Step S8, wash: steel ball made from step S7 is placed in cleaning equipment, and plant ash is added in proportion described clear
It washes and carries out washing process in equipment, the extra grease of removal steel ball surface；
Step S9, pickling: the steel ball that step S8 is obtained is placed in pickling tube, then using nitric acid and fluoride as pickling solution
Pickling processes are carried out, are then flushed three times with deionized water, dehydration is stand-by；
Step S10, the steel ball in step S9 after pickling processes is used into 10% mass fraction NaOH and 4% mass fraction KMnO4
Mixed solution in impregnate 5-60 min, temperature control at 70-82 DEG C, to remove smut, then rinsed with deionized water
Dried for standby after three times；
Step S11, it is packed in storage after collection, weighing and inspection processing；
Wherein, the cleaning equipment in step S8, including cleaning case (1), the cleaning case (1) is interior to be rotatably connected to agitating paddle (2),
The motor (3) of driving agitating paddle (2) rotation is equipped with above the agitating paddle (2), lower end is extend into service sink (4), described
Cleaning case (1) is equipped with feed inlet (6), is mounted therein with the service sink (4) for placing steel ball, the service sink (4) it is outer
Wall is equipped with the bracket (5) with the cleaning case (1) sliding connection, and the lower end of the bracket (5) is fixedly connected on service sink
(4), the upper end pass through the cleaning case (1) and it is prominent cleaning case (1) outside；
It is offered discharge port (7) on the side wall of the cleaning case (1), service sink (4) lower end offers aperture (8), described
The outer wall of aperture (8) is equipped with the expanded sheet metal (9) for opening and closing the aperture (8), and one end of the expanded sheet metal (9) is hinged
On the lower end inner wall of discharge port (7), the other end is rotatably connected on the lower end of service sink (4)；The lower end of the service sink (4)
Equipped with shaft (10), the expanded sheet metal (9) is offered on one end close to cleaning case (1) for the shaft (10) grafting
Kidney slot (11), the expanded sheet metal (9) can be downwardly turned over around shaft (10) to open the aperture (8).
2. a kind of preparation process of abrasion-proof steel ball steel according to claim 1, it is characterised in that: the bracket (5) it is upper
End is equipped with handle (12), and the lower end of the handle (12) contradicts expanded sheet metal (9) water at the upper surface of service sink (4)
The closed aperture (8) is put down, while the side wall of service sink (4) seals the discharge port (7).
3. a kind of preparation process of abrasion-proof steel ball steel according to claim 2, it is characterised in that: the cleaning case (1)
Lower end is equipped with drainpipe (13), is equipped with water discharging valve (14) on drainpipe (13).
4. a kind of preparation process of abrasion-proof steel ball steel according to claim 3, it is characterised in that: the cleaning case (1)
Upper end is hinged with the lid (15) for opening and closing the feed inlet (6).
5. a kind of preparation process of abrasion-proof steel ball steel according to claim 4, it is characterised in that: set on the lid (15)
There are U-shaped handle (16).
6. a kind of preparation process of abrasion-proof steel ball steel according to claim 5, it is characterised in that: on the cleaning case (1)
Side is equipped with spray equipment (17).
7. a kind of preparation process of abrasion-proof steel ball steel according to claim 6, it is characterised in that: cleaning case (1) packet
Internal box (18) and outer case (19) are included, heating wire (20) are installed before the internal box (18) and outer case (19).
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| CN109048227A (en) * | 2018-09-10 | 2018-12-21 | 江苏天泽教育咨询有限公司 | A kind of processing technology of valve door handle |
| CN111575723A (en) * | 2020-06-03 | 2020-08-25 | 合肥力和机械有限公司 | Cold pickling device for steel ball production and use method thereof |
| CN113005366B (en) * | 2021-02-25 | 2022-01-04 | 天津荣程联合钢铁集团有限公司 | Hardenability-maintaining gear steel and preparation method thereof |
| CN115595596A (en) * | 2022-10-25 | 2023-01-13 | 中国航发哈尔滨轴承有限公司（Cn） | Steel ball acid corrosion tool and using method thereof |
| CN118237325B (en) * | 2024-05-27 | 2024-07-16 | 莱芜亿达新材料科技有限公司 | Cleaning device for alumina balls |
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| CN101381848A (en) * | 2008-10-23 | 2009-03-11 | 常熟市龙腾特种钢有限公司 | Method of preparing wearable steel ball |
| CN103643247A (en) * | 2013-12-12 | 2014-03-19 | 浙江新昌皮尔轴承有限公司 | Pickling equipment for bearing part |
| CN104372255B (en) * | 2014-10-14 | 2016-08-17 | 山东钢铁股份有限公司 | A kind of impact-resistant and high-wear-resistant steel ball steel and preparation method thereof |
| CN204523647U (en) * | 2015-03-21 | 2015-08-05 | 安庆石化联盟铸管厂 | A kind of abrasion-proof steel ball cleaning device |
| CN105344634A (en) * | 2015-09-08 | 2016-02-24 | 宁国市南方耐磨材料有限公司 | Anti-abrasion steel ball cleaning device |
| CN106053478A (en) * | 2016-07-14 | 2016-10-26 | 浙江新昌展望机械有限公司 | Acid pickling method for bearing |
| CN107159639A (en) * | 2017-07-18 | 2017-09-15 | 芜湖乾凯材料科技有限公司 | A kind of numerical control cleaning device of accurate steel balls processing |
| CN107282489A (en) * | 2017-07-18 | 2017-10-24 | 芜湖乾凯材料科技有限公司 | A kind of cleaning device of steel ball processing |
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