CN105925875A - Preparation method of wear-resistant ball mill steel ball - Google Patents

Preparation method of wear-resistant ball mill steel ball Download PDF

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Publication number
CN105925875A
CN105925875A CN201610330109.0A CN201610330109A CN105925875A CN 105925875 A CN105925875 A CN 105925875A CN 201610330109 A CN201610330109 A CN 201610330109A CN 105925875 A CN105925875 A CN 105925875A
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Prior art keywords
steel ball
wear
oil
smaller
larger
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Pending
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CN201610330109.0A
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Chinese (zh)
Inventor
胡乾桂
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ANHUI HEKUANG MACHINERY Co Ltd
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ANHUI HEKUANG MACHINERY Co Ltd
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Priority to CN201610330109.0A priority Critical patent/CN105925875A/en
Publication of CN105925875A publication Critical patent/CN105925875A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/10—Cast-iron alloys containing aluminium or silicon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/20—Disintegrating members
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/26—Compounds containing silicon or boron, e.g. silica, sand
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/24—Aldehydes; Ketones
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/26—Carboxylic acids; Salts thereof
    • C10M129/28—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M129/38—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms
    • C10M129/40—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms monocarboxylic
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/26—Carboxylic acids; Salts thereof
    • C10M129/48—Carboxylic acids; Salts thereof having carboxyl groups bound to a carbon atom of a six-membered aromatic ring
    • C10M129/50—Carboxylic acids; Salts thereof having carboxyl groups bound to a carbon atom of a six-membered aromatic ring monocarboxylic
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
    • C10M133/38—Heterocyclic nitrogen compounds
    • C10M133/40—Six-membered ring containing nitrogen and carbon only
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M173/00—Lubricating compositions containing more than 10% water
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/60—Aqueous agents
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D5/00—Heat treatments of cast-iron
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/06—Cast-iron alloys containing chromium
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/60—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes
    • C23C8/62—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes only one element being applied
    • C23C8/64—Carburising
    • C23C8/66—Carburising of ferrous surfaces
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/244—Metal working of specific metals
    • C10N2040/246—Iron or steel

Abstract

The invention discloses a preparation method of a wear-resistant ball mill steel ball. The preparation method includes the following operation steps that molten steel for preparing and casting the steel ball comprises, by mass percent, not smaller than 2.12% and not larger than 2.44% of C, not smaller than 1.15% and not larger than 1.25% of Si, not smaller than 1.32% and not larger than 1.68% of Mn, not smaller than 0.018% and not larger than 0.028% of P, not smaller than a trace amount and not larger than 0.035% of S, not smaller than 1.35% and not larger than 1.65% of Cr, not smaller than 0.45% and not larger than 0.55% of Mo, not smaller than 0.15% and not larger than 0.18% of V and the balance Fe and inevitable impurities. The wear-resistant ball mill steel ball has good machining performance and impact resistance, the wear-resistant property of a lock cylinder can be improved, and the service life of the cast lock cylinder is prolonged.

Description

A kind of wear-resistant ball grinder steel ball preparation method
Technical field
The present invention relates to steel material manufacture method, particularly belong to a kind of wear-resistant ball grinder steel ball preparation method.
Background technology
Wear-resistant ball is a kind of crushing medium in ball mill, the material in crushing mill, and one is to be with chromium The white cast-iron of main alloy element is called for short chrome alloy cast iron, and the cast grinding ball with chrome alloy cast iron as material is referred to as evanohm casting Ferrum abrading-ball；Another kind is that the cast grinding ball with spheroidal graphite cast-iron as material is referred to as ductile iron abrading-ball, is wherein obtained by heat treatment Matrix be mainly bainite ductile iron abrading-ball be called for short bainite ductile iron abrading-ball；The matrix group obtained by heat treatment The ductile iron abrading-ball knitting mainly martensite is called for short martensite nodular cast iron grinding ball.Due to the working environment that it is special, to ball mill The performance requirement of wear-resistant ball the highest, general heat treatment direction can not reach standard.
Summary of the invention
It is an object of the invention to provide a kind of wear-resistant ball grinder steel ball preparation method, have good machining property with And impact resistance, the anti-wear performance of lock core can be improved, extend casting lock core service life.
Technical scheme is as follows:
A kind of wear-resistant ball grinder steel ball preparation method, has a following operating procedure:
1) each chemical composition mass percent in steel ball casting molten steel is prepared: 2.12%≤C≤2.44%, 1.15%≤Si≤ 1.25%, 1.32%≤Mn≤1.68%, 0.018≤P≤0.028%, trace≤S≤0.035%, 1.35%≤Cr≤1.65%, 0.45%≤Mo≤0.55%, 0.15≤V≤0.18%, surplus is Fe and inevitable impurity；
2) steel ball after casting will be carried out forging and molding processing, forge temperature and control, for 720-750 DEG C, forging mould Impression inwall on cover thin layer fireproof coating, the thickness of thin layer fireproof coating is 400-600um, forges number of times 12-15 time；
3) steel ball after forging being carried out modifier treatment, in ambient temperature≤10 DEG C, during air humidity >=76%, workpiece is preheating to 50-70 DEG C, hardening heat is 230 DEG C～280 DEG C, and hardening media is made up of raw material by mass percentage: 15% nitric acid Sodium, 21% cupric nitrite, 32% potassium nitrate, surplus are water；Steel ball continues after quenching for the first time to be heated to 500-540 DEG C and carries out the Secondary quenching processes, and uses wind cooling temperature lowering to arrive room temperature；
4) steel ball surface is carried out pack carburizing process, the steel ball after Carburization Treatment is put in antirust oil and soak, temperature in oil For 55-65 DEG C, soak time is 60-80min, and antirust oil is made up of the raw material of following weight portion: sodium benzoate 50-55, Pilus Caprae seu Ovis Fat 12-14, Ketohexamethylene 3-5, arachidic acid 6-7, barium metaborate 2.5-4.5, hexamethylenamine 4.5-6.5, methylisobutylketone 3-5, paulownia Oil 2.5-3.5, deionized water 25-30.
Steel ball after described Carburization Treatment is put in antirust oil and is soaked, and in oil, temperature is 60 DEG C, and soak time is 70min, Antirust oil is made up of the raw material of following weight portion: sodium benzoate 52, lanoline 13, Ketohexamethylene 4, arachidic acid 6.5, barium metaborate 3.5, hexamethylenamine 5.5, methylisobutylketone 4, Oleum Verniciae fordii 3, deionized water 28.
Base of the present invention is convenient, and efficiency is high, and foundry goods molding is easy, has good machining property and shock resistance Property, the anti-wear performance of roll surface can be improved, extend the service life of casting roll.
The mechanical property of ball mill wearing steel ball of the present invention: tensile strength Rm >=800Mpa, yield strength Re >=800Mpa, Percentage elongation A >=12.3%, mechanical property Z >=41%, impact absorbing energy Aku >=55J.
Detailed description of the invention
A kind of wear-resistant ball grinder steel ball preparation method, has a following operating procedure:
1) each chemical composition mass percent in steel ball casting molten steel is prepared: 2.16%≤C≤2.4%, 1.18%≤Si≤ 1.22%, 1.35%≤Mn≤1.65%, 0.02≤P≤0.026%, trace≤S≤0.03%, 1.4%≤Cr≤1.6%, 0.48%≤ Mo≤0.52%, 0.16≤V≤0.17%, surplus is Fe and inevitable impurity；
2) steel ball after casting will be carried out forging and molding processing, forge temperature and control to be 735 DEG C, forging the mould of mould Covering thin layer fireproof coating on thorax inwall, the thickness of thin layer fireproof coating is 500um, forges number of times 14 times；
3) steel ball after forging being carried out modifier treatment, in ambient temperature≤10 DEG C, during air humidity >=76%, workpiece is preheating to 60 DEG C, hardening heat is 255 DEG C, and hardening media is made up of raw material by mass percentage: 15% sodium nitrate, 21% nitrous acid Copper, 32% potassium nitrate, surplus are water；After quenching, steel ball being continued is heated to 520 DEG C for the first time and carries out second time Quenching Treatment, and Use wind cooling temperature lowering to room temperature；
4) steel ball surface is carried out pack carburizing process, the steel ball after Carburization Treatment is put in antirust oil and soak, temperature in oil Being 60 DEG C, soak time is 70min, and antirust oil is made up of the raw material of following weight portion: sodium benzoate 52, lanoline 13, hexamethylene Ketone 4, arachidic acid 6.5, barium metaborate 3.5, hexamethylenamine 5.5, methylisobutylketone 4, Oleum Verniciae fordii 3, deionized water 28.

Claims (2)

1. a wear-resistant ball grinder steel ball preparation method, it is characterised in that there is following operating procedure:
1) each chemical composition mass percent in steel ball casting molten steel is prepared: 2.12%≤C≤2.44%, 1.15%≤Si≤ 1.25%, 1.32%≤Mn≤1.68%, 0.018≤P≤0.028%, trace≤S≤0.035%, 1.35%≤Cr≤1.65%, 0.45%≤Mo≤0.55%, 0.15≤V≤0.18%, surplus is Fe and inevitable impurity；
2) steel ball after casting will be carried out forging and molding processing, forge temperature and control, for 720-750 DEG C, forging mould Impression inwall on cover thin layer fireproof coating, the thickness of thin layer fireproof coating is 400-600um, forges number of times 12-15 time；
3) steel ball after forging being carried out modifier treatment, in ambient temperature≤10 DEG C, during air humidity >=76%, workpiece is preheating to 50-70 DEG C, hardening heat is 230 DEG C～280 DEG C, and hardening media is made up of raw material by mass percentage: 15% nitric acid Sodium, 21% cupric nitrite, 32% potassium nitrate, surplus are water；Steel ball continues after quenching for the first time to be heated to 500-540 DEG C and carries out the Secondary quenching processes, and uses wind cooling temperature lowering to arrive room temperature；
4) steel ball surface is carried out pack carburizing process, the steel ball after Carburization Treatment is put in antirust oil and soak, temperature in oil For 55-65 DEG C, soak time is 60-80min, and antirust oil is made up of the raw material of following weight portion: sodium benzoate 50-55, Pilus Caprae seu Ovis Fat 12-14, Ketohexamethylene 3-5, arachidic acid 6-7, barium metaborate 2.5-4.5, hexamethylenamine 4.5-6.5, methylisobutylketone 3-5, paulownia Oil 2.5-3.5, deionized water 25-30.
Wear-resistant ball grinder steel ball preparation method the most according to claim 1, it is characterised in that the steel ball after described Carburization Treatment Putting in antirust oil and soak, in oil, temperature is 60 DEG C, and soak time is 70min, and antirust oil is made up of the raw material of following weight portion: Sodium benzoate 52, lanoline 13, Ketohexamethylene 4, arachidic acid 6.5, barium metaborate 3.5, hexamethylenamine 5.5, methylisobutylketone 4, paulownia Oil 3, deionized water 28.
CN201610330109.0A 2016-05-18 2016-05-18 Preparation method of wear-resistant ball mill steel ball Pending CN105925875A (en)

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CN201610330109.0A CN105925875A (en) 2016-05-18 2016-05-18 Preparation method of wear-resistant ball mill steel ball

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106756465A (en) * 2016-12-27 2017-05-31 怀宁县鑫泰钢结构有限公司 A kind of heat-preserving hose antirust joint
CN107400821A (en) * 2017-08-04 2017-11-28 河北工业大学 The rolling preparation method of Ultra-low carbon ductile iron abrading-ball

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102876961A (en) * 2012-08-31 2013-01-16 宁国市金六星研磨材料科技有限公司 Novel ultralow-manganese and high-chromium wear-resistant and corrosion-resistant cast grinding ball
CN103266264A (en) * 2013-05-15 2013-08-28 贵州省遵义市永力机电安装有限公司 Multi-component alloy casting ball
CN105349877A (en) * 2015-09-29 2016-02-24 高鹏 Technique for preparing pump cover of high-pressure water pump
CN105420616A (en) * 2015-11-05 2016-03-23 宁国市南方耐磨材料有限公司 High-carbon middle-chromium abrasion-resistant steel ball

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102876961A (en) * 2012-08-31 2013-01-16 宁国市金六星研磨材料科技有限公司 Novel ultralow-manganese and high-chromium wear-resistant and corrosion-resistant cast grinding ball
CN103266264A (en) * 2013-05-15 2013-08-28 贵州省遵义市永力机电安装有限公司 Multi-component alloy casting ball
CN105349877A (en) * 2015-09-29 2016-02-24 高鹏 Technique for preparing pump cover of high-pressure water pump
CN105420616A (en) * 2015-11-05 2016-03-23 宁国市南方耐磨材料有限公司 High-carbon middle-chromium abrasion-resistant steel ball

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106756465A (en) * 2016-12-27 2017-05-31 怀宁县鑫泰钢结构有限公司 A kind of heat-preserving hose antirust joint
CN107400821A (en) * 2017-08-04 2017-11-28 河北工业大学 The rolling preparation method of Ultra-low carbon ductile iron abrading-ball
CN107400821B (en) * 2017-08-04 2019-04-19 河北工业大学 The rolling preparation method of Ultra-low carbon ductile iron abrading-ball

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