CN106191645A - A kind of aluminium ore high-chromium wear-resistant ball Technology for Heating Processing - Google Patents

A kind of aluminium ore high-chromium wear-resistant ball Technology for Heating Processing Download PDF

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Publication number
CN106191645A
CN106191645A CN201610727743.8A CN201610727743A CN106191645A CN 106191645 A CN106191645 A CN 106191645A CN 201610727743 A CN201610727743 A CN 201610727743A CN 106191645 A CN106191645 A CN 106191645A
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China
Prior art keywords
ball
abrading
heating processing
resistant ball
temperature
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CN201610727743.8A
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CN106191645B (en
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程福军
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Anhui Xinma Foundry Technology Co ltd
China building materials Ningguo Xinma Casting Technology Co.,Ltd.
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Singapore And Malaysia High-Abrasive Material Co Ltd Of Middle Building Materials Ningguo
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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
    • 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
    • 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
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/36—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for balls; for rollers
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

The invention discloses a kind of aluminium ore high-chromium wear-resistant ball Technology for Heating Processing, the described heat treatment heat-treatment production line that is linked back by even quenching performs heat treatment, 1) in controlling heat-treatment furnace, temperature difference is less than 20 DEG C；2) abrading-ball speed of coming out of the stove wants fast, scatter as early as possible, immediately spray cooling；In cooling procedure, note moving abrading-ball, make each abrading-ball rate of cooling consistent；3) abrading-ball is cooled to about 300 DEG C, stops spraying, uses air-cooled, air-cooled to about 100 DEG C instead, stops blowing；4) abrading-ball is tempered the most immediately, and quenching high temperature section temperature controls at 1050 DEG C, and product quenches into oil temperature 100 DEG C 110 DEG C；Temperature: 280 DEG C.The present invention processes high-chromium wear-resistant ball, service life length, hardness is high, wearability is good high chromium casting ball.

Description

A kind of aluminium ore high-chromium wear-resistant ball Technology for Heating Processing
Technical field
The present invention relates to high-abrasive material technical field, be specifically related to a kind of aluminium ore high-chromium wear-resistant ball Technology for Heating Processing.
Background technology
High-abrasive material is the new material that a big class has special electricity, magnetic, light, sound, heat, power, chemistry and biological function, It is high-tech sector and the important foundation materials of national defense construction such as information technology, biotechnology, energy technology, simultaneously also to transformation Some conventional industries has a very important role.High-abrasive material is the core of field of new, and the development to new and high technology rises Important promotion and supporting role, in new material research field, the whole world, high-abrasive material accounts for 85%.Along with information-intensive society Arriving, special, wear-resistant material plays important promotion and supporting role to the development of new and high technology, is 21st century information, life The critical material of the high-tech sectors such as thing, the energy, environmental protection, space, becomes the emphasis of countries in the world field of new research and development, Also it is the focus of Strategic Competition in the high technology development of countries in the world.Existing in Chinese Patent Application No.: public in 201210291075 Having opened the manufacture method of a kind of high carbon and chromium high-manganese alloy cast ball, raw material is steel scrap: bearing leftover pieces: C:0.3-1.0%；Si: ≤ 0.4%；Mn :≤0.3%；Cr:0.5-1.5%；High carbon ferro-chrome: Cr:60%；Si :≤1.5；Fe :≤38%；High carbon ferromanganese: Mn:58%；S :≤2%；Fe :≤40%.This technical scheme is low for service life, and hardness, wearability are the most not enough.
Summary of the invention
For the deficiencies in the prior art, the present invention provides a kind of aluminium ore high-chromium wear-resistant ball Technology for Heating Processing, service life High chromium casting ball long, that hardness is high, wearability is good.
The technical problem to be solved can be to realize by the following technical programs:
A kind of aluminium ore high-chromium wear-resistant ball Technology for Heating Processing, the described heat treatment heat-treatment production line that is linked back by even quenching performs Heat treatment,
(1) in controlling heat-treatment furnace, temperature difference is less than 20 DEG C；
(2) abrading-ball speed of coming out of the stove wants fast, scatter as early as possible, immediately spray cooling；In cooling procedure, note moving abrading-ball, Make each abrading-ball rate of cooling consistent；
(3) abrading-ball is cooled to about 300 DEG C, stops spraying, uses air-cooled, air-cooled to about 100 DEG C instead, stops blowing；
(4) abrading-ball is tempered the most immediately, and quenching high temperature section temperature controls at 1050 DEG C, and product quenches into oil temperature 100℃-110℃；Temperature: 280 DEG C.
In described wear-resistant ball, each element mass percent is C:2.40-2.60%, Mn:0.35-0.60%, Cr: 16.10-18.00%, Mo:0.02-0.03%, Al:0.02-0.04%, Ti:0.4-0.6%, Si :≤1.0%, P :≤ 0.08%, S :≤0.08%；Surplus is Fe.
Described C:2.40%, Mn:0.35%, Cr:16.10%, Mo:0.02%, Al:0.02%, Ti:0.4%, Si: ≤ 1.0%, P :≤0.08%, S :≤0.08%.
Described C:2.60%, Mn:0.60%, Cr:18.00%, Mo:0.03%, Al:0.04%, Ti:0.6%, Si: ≤ 1.0%, P :≤0.08%, S :≤0.08%.
Described C:2.5%, Mn:0.5%, Cr:17.00%, Mo:0.025%, Al:0.03%, Ti:0.5%, Si :≤ 1.0%, P :≤0.08%, S :≤0.08%.
It is characterized in that, described quench into oil temperature 105 DEG C.
Compared with prior art, the invention have the benefit that
Invention hardness is high, and HRC is 65 70, impact value >=2.9J/cm2, and ball falling impact fatigue life >= 12000 times, core hardness is basically identical with case hardness, and service life is long, and wearability is good, low cost；The actual ball of wear-resistant ball consumes Be 214.1 grams ton ore deposit；Wear-resistant ball uses 500 hours or ore grinding cumulative amount reaches 50,000 ton hour detections, and chip index is less than 1%, loses Circle rate is less than 1%
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention, Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention one Divide embodiment rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making The every other embodiment obtained under creative work premise, broadly falls into the scope of protection of the invention.
A kind of aluminium ore high-chromium wear-resistant ball Technology for Heating Processing, the described heat treatment heat-treatment production line that is linked back by even quenching performs Heat treatment,
(1) in controlling heat-treatment furnace, temperature difference is less than 20 DEG C；
(2) abrading-ball speed of coming out of the stove wants fast, scatter as early as possible, immediately spray cooling；In cooling procedure, note moving abrading-ball, Make each abrading-ball rate of cooling consistent；
(3) abrading-ball is cooled to about 300 DEG C, stops spraying, uses air-cooled, air-cooled to about 100 DEG C instead, stops blowing；
(4) abrading-ball is tempered the most immediately, and quenching high temperature section temperature controls at 1050 DEG C, and product quenches into oil temperature 100℃-110℃；Temperature: 280 DEG C.
In described wear-resistant ball, each element mass percent is C:2.40-2.60%, Mn:0.35-0.60%, Cr: 16.10-18.00%, Mo:0.02-0.03%, Al:0.02-0.04%, Ti:0.4-0.6%, Si :≤1.0%, P :≤ 0.08%, S :≤0.08%；Surplus is Fe.
Invention hardness is high, and HRC is 65 70, impact value >=2.9J/cm2, and ball falling impact fatigue life >= 12000 times, core hardness is basically identical with case hardness, and service life is long, and wearability is good, low cost；The actual ball of wear-resistant ball consumes Be 214.1 grams ton ore deposit；Wear-resistant ball uses 500 hours or ore grinding cumulative amount reaches 50,000 ton hour detections, and chip index is less than 1%, loses Circle rate is less than 1%
It should be noted that in this article, such as term " includes ", " comprising " or its any other variant are intended to Comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that those are wanted Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment Intrinsic key element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that Including process, method, article or the equipment of described key element there is also other identical element.
Above example only in order to technical scheme to be described, is not intended to limit；Although with reference to previous embodiment The present invention is described in detail, it will be understood by those within the art that: it still can be to aforementioned each enforcement Technical scheme described in example is modified, or wherein portion of techniques feature is carried out equivalent；And these amendment or Replace, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (6)

1. an aluminium ore high-chromium wear-resistant ball Technology for Heating Processing, it is characterised in that: described heat treatment is by the heat treatment that is linked back of even quenching Production line performs heat treatment,
(1) in controlling heat-treatment furnace, temperature difference is less than 20 DEG C；
(2) abrading-ball speed of coming out of the stove wants fast, scatter as early as possible, immediately spray cooling；In cooling procedure, note moving abrading-ball, make each Abrading-ball rate of cooling is consistent；
(3) abrading-ball is cooled to about 300 DEG C, stops spraying, uses air-cooled, air-cooled to about 100 DEG C instead, stops blowing；
(4) abrading-ball is tempered the most immediately, quenching high temperature section temperature control at 1050 DEG C, product quench into oil temperature 100 DEG C- 110℃；Temperature: 280 DEG C.
2. aluminium ore high-chromium wear-resistant ball Technology for Heating Processing as claimed in claim 1, it is characterised in that each in described wear-resistant ball Element mass percent is C:2.40-2.60%, Mn:0.35-0.60%, Cr:16.10-18.00%, Mo:0.02-0.03%, Al:0.02-0.04%, Ti:0.4-0.6%, Si :≤1.0%, P :≤0.08%, S :≤0.08%；Surplus is Fe.
3. aluminium ore high-chromium wear-resistant ball Technology for Heating Processing as claimed in claim 2, it is characterised in that described C:2.40%, Mn:0.35%, Cr:16.10%, Mo:0.02%, Al:0.02%, Ti:0.4%, Si :≤1.0%, P :≤0.08%, S :≤ 0.08%.
4. aluminium ore high-chromium wear-resistant ball Technology for Heating Processing as claimed in claim 2, it is characterised in that described C:2.60%, Mn:0.60%, Cr:18.00%, Mo:0.03%, Al:0.04%, Ti:0.6%, Si :≤1.0%, P :≤0.08%, S :≤ 0.08%.
5. aluminium ore high-chromium wear-resistant ball Technology for Heating Processing as claimed in claim 2, it is characterised in that described C:2.5%, Mn:0.5%, Cr:17.00%, Mo:0.025%, Al:0.03%, Ti:0.5%, Si :≤1.0%, P :≤0.08%, S :≤ 0.08%.
6. aluminium ore high-chromium wear-resistant ball Technology for Heating Processing as claimed in claim 2, it is characterised in that described quench into oil temperature 105℃。
CN201610727743.8A 2016-08-25 2016-08-25 A kind of aluminium ore high-chromium wear-resistant ball Technology for Heating Processing Active CN106191645B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108044004A (en) * 2017-11-17 2018-05-18 江阴东邦钢球机械有限公司 A kind of ball rolling system and its rolling mill practice
CN108396114A (en) * 2018-04-20 2018-08-14 三峡大学 The rotating spraying quenching technical of high-chromium abrasion-proof cast iron part

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2413521A1 (en) * 1974-03-21 1976-01-15 Wahl Verschleiss Tech Perforated sieve plates with high wear resistance - obtd by making the plates from ledeburitic chromium steel
CN1053267A (en) * 1991-01-16 1991-07-24 河北工学院 Casting-state troostite grinding ball
CN103981426A (en) * 2014-05-07 2014-08-13 中建材宁国新马耐磨材料有限公司 High-chromium alloy cast ball
CN104060178A (en) * 2014-06-24 2014-09-24 广东省工业技术研究院(广州有色金属研究院) Bowl mill liner plate material and preparation method thereof
CN105780017A (en) * 2014-12-13 2016-07-20 重庆霸腾机械有限公司 Heat treatment technology for automobile gearbox gear

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2413521A1 (en) * 1974-03-21 1976-01-15 Wahl Verschleiss Tech Perforated sieve plates with high wear resistance - obtd by making the plates from ledeburitic chromium steel
CN1053267A (en) * 1991-01-16 1991-07-24 河北工学院 Casting-state troostite grinding ball
CN103981426A (en) * 2014-05-07 2014-08-13 中建材宁国新马耐磨材料有限公司 High-chromium alloy cast ball
CN104060178A (en) * 2014-06-24 2014-09-24 广东省工业技术研究院(广州有色金属研究院) Bowl mill liner plate material and preparation method thereof
CN105780017A (en) * 2014-12-13 2016-07-20 重庆霸腾机械有限公司 Heat treatment technology for automobile gearbox gear

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108044004A (en) * 2017-11-17 2018-05-18 江阴东邦钢球机械有限公司 A kind of ball rolling system and its rolling mill practice
CN108396114A (en) * 2018-04-20 2018-08-14 三峡大学 The rotating spraying quenching technical of high-chromium abrasion-proof cast iron part
CN108396114B (en) * 2018-04-20 2020-07-07 三峡大学 Rotary spray quenching process for high-chromium wear-resistant iron casting

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Address after: 242300, Xuancheng City, Anhui province Ningguo River Lek Economic Development Zone (Xing Xing)

Patentee after: China building materials Ningguo Xinma Casting Technology Co.,Ltd.

Address before: 242300, Xuancheng City, Anhui province Ningguo River Lek Economic Development Zone (Xing Xing)

Patentee before: CNBM NINGGUO XINMA WEAR-RESISTANT MATERIAL Co.,Ltd.

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Address after: 242300 Heli Park, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province

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Address before: 242300, Xuancheng City, Anhui province Ningguo River Lek Economic Development Zone (Xing Xing)

Patentee before: China building materials Ningguo Xinma Casting Technology Co.,Ltd.