CN107447095A - A kind of method for producing abrasion-proof steel ball - Google Patents
A kind of method for producing abrasion-proof steel ball Download PDFInfo
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- CN107447095A CN107447095A CN201710676031.2A CN201710676031A CN107447095A CN 107447095 A CN107447095 A CN 107447095A CN 201710676031 A CN201710676031 A CN 201710676031A CN 107447095 A CN107447095 A CN 107447095A
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- steel ball
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- abrasion
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Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/02—Making machine elements balls, rolls, or rollers, e.g. for bearings
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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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 Steel (AREA)
Abstract
The invention provides a kind of method for producing abrasion-proof steel ball, this method is used as the raw material for preparing abrasion-proof steel ball by the use of waste and old Train wheel or waste and old steel rail, both the cost of raw material of abrasion-proof steel ball had been reduced, solve the problems, such as that a large amount of waste and old Train wheels occupy place, pollution environment with waste and old steel rail again, realize the open pit mining of waste and old Train wheel and waste and old steel rail；The case hardness of obtained abrasion-proof steel ball is 65 degree of HRC60, and volume hardness is 50 degree of HRC45, no-failure steel ball after 7.5 meters of antifatigue fall-down tests 20000 times, impact value AK≤12J/ ㎝2。
Description
Technical field
The present invention relates to abrasion-proof steel ball technical field, more particularly, to a kind of method for producing abrasion-proof steel ball.
Background technology
Abrasion-proof steel ball is also referred to as grinder wear-resistant medium, is a kind of running stores, is mainly used for grinding material, makes material
That grinds is thinner, to reach the standard of using, mainly in fields such as mine, power plant, cement plant, steel plant, silica sand factory, coal chemical industries
With the consumption of, the annual steel ball in the whole world in ten thousand tons of 3000-5000, wherein Chinese steel ball consumption is steel in ten thousand tons of 300-500
Ball consumes big country.
Abrasion-proof steel ball needs good wearability to need enough toughness again, generally adds chromium with steel alloy, potassium steel, cast iron
The raw material such as iron make, and with forging or casting method one-shot forming, mix corresponding Technology for Heating Processing, steel ball is made.
At present, abrasion-proof steel ball uses finished product round steel bar to add ferrochrome as raw material, purchase steel alloy, potassium steel, cast iron more
Deng the costly of raw material, the cost of raw material occupies the larger proportion of abrasion-proof steel ball manufacturing cost, but in the market
In the presence of substantial amounts of waste and old steel, a large amount of places were both occupied, waste of resource, have polluted environment again.
The content of the invention
It is an object of the invention to provide a kind of method for producing abrasion-proof steel ball, this method can be used as original by the use of waste and old steel
Material prepares abrasion-proof steel ball, has both reduced the cost of raw material of abrasion-proof steel ball, solves a large amount of waste and old steel again and occupies place, pollution
The problem of environment, realize the open pit mining of waste and old steel.
To solve above-mentioned technical problem, technical scheme provided by the invention is：
A kind of method for producing abrasion-proof steel ball, comprises the following steps：
1) blanking：Round steel or waste and old Train wheel or waste and old steel rail are subjected to blanking with cutter device, specifically including will be useless
Old Train wheel or waste and old steel rail cut into bulk with cutting machine；
2) heat：By the blanking product heats obtained after blanking in step 1) to 900 DEG C~1000 DEG C；
3) forge：The blanking product obtained after being heated in step 2) is class spherical shape ball by pneumatic hammer forging molding
Base；
4) roll forging is molded：The class spherical shape ball base obtained in step 3) is shaped to justify on forging roll by roll forging processing
Spherical semi-finished product；
5) isothermal processes：By the spherical shape semi-finished product obtained in step 4) carry out isothermal processes, isothermal temperature be 750 DEG C~
870 DEG C, isothermal time is 180s~240s；
6) quench：The spherical shape semi-finished product obtained after isothermal processes in step 5) are subjected to Quenching Treatment, hardening heat is
730 DEG C~750 DEG C, the cool time is 80s~90s；
7) it is tempered：The spherical shape semi-finished product obtained after Quenching Treatment in step 6) are subjected to temper, temperature is
180 DEG C~200 DEG C, tempering time is 4h~6h, after the completion of be made steel ball.
Preferably, the round steel includes the component of following percetage by weight：0.5%~0.6% C；0.2%~0.5%
Si；1.0%~1.5% Mn；0.1%~0.3% Mo；0.001%~0.003% Nb；2%~4% V；0.2%
~0.5% W；0.1%~0.5% Co；Remaining is Fe and inevitable impurity.
Preferably, the size of obtained steel ball is φ 60mm~100mm.
Compared with prior art, the invention provides a kind of method for producing abrasion-proof steel ball, this method to utilize waste and old train
Wheel or waste and old steel rail had both reduced the cost of raw material of abrasion-proof steel ball, solved again as the raw material for preparing abrasion-proof steel ball
The problem of a large amount of waste and old Train wheels occupy place, pollution environment with waste and old steel rail, realizes waste and old Train wheel and waste and old steel
The open pit mining of rail；The case hardness of obtained abrasion-proof steel ball is HRC60-65 degree, and volume hardness is HRC45-50 degree,
No-failure steel ball after 7.5 meters of antifatigue fall-down tests 20000 times, impact value AK≤12J/ ㎝2。
Embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described with reference to embodiment, still
It should be appreciated that these descriptions simply further illustrate the feature and advantage of the present invention, rather than the limit to the claims in the present invention
System.
This application provides a kind of method for producing abrasion-proof steel ball, comprise the following steps：
1) blanking：Round steel or waste and old Train wheel or waste and old steel rail are subjected to blanking with cutter device, specifically including will be useless
Old Train wheel or waste and old steel rail cut into bulk with cutting machine；
2) heat：By the blanking product heats obtained after blanking in step 1) to 900 DEG C~1000 DEG C；
3) forge：The blanking product obtained after being heated in step 2) is class spherical shape ball by pneumatic hammer forging molding
Base；
4) roll forging is molded：The class spherical shape ball base obtained in step 3) is shaped to justify on forging roll by roll forging processing
Spherical semi-finished product；
5) isothermal processes：By the spherical shape semi-finished product obtained in step 4) carry out isothermal processes, isothermal temperature be 750 DEG C~
870 DEG C, isothermal time is 180s~240s；
6) quench：The spherical shape semi-finished product obtained after isothermal processes in step 5) are subjected to Quenching Treatment, hardening heat is
730 DEG C~750 DEG C, the cool time is 80s~90s；
7) it is tempered：The spherical shape semi-finished product obtained after Quenching Treatment in step 6) are subjected to temper, temperature is
180 DEG C~200 DEG C, tempering time is 4h~6h, after the completion of be made steel ball.
In one embodiment of the application, the round steel includes the component of following percetage by weight：0.5%~0.6%
C；0.2%~0.5% Si；1.0%~1.5% Mn；0.1%~0.3% Mo；0.001%~0.003% Nb；
2%~4% V；0.2%~0.5% W；0.1%~0.5% Co；Remaining is Fe and inevitable impurity.
In one embodiment of the application, the size of obtained steel ball is φ 60mm~100mm.
The invention provides a kind of method for producing abrasion-proof steel ball, this method is made using waste and old Train wheel or waste and old steel rail
To prepare the raw material of abrasion-proof steel ball, the cost of raw material of abrasion-proof steel ball had both been reduced, has solved a large amount of waste and old Train wheels again
The problem of occupying place, pollution environment with waste and old steel rail, realize the open pit mining of waste and old Train wheel and waste and old steel rail；
The case hardness of obtained abrasion-proof steel ball is HRC60-65 degree, and volume hardness is HRC45-50 degree, and 7.5 meters antifatigue to fall examination
No-failure steel ball after testing 20000 times, impact value AK≤12J/ ㎝2。
The method and apparatus of the not detailed description of the present invention are prior art, are repeated no more.
For a further understanding of the present invention, with reference to embodiment to a kind of side for producing abrasion-proof steel ball provided by the invention
Method is described in detail, and protection scope of the present invention is not limited by the following examples.
Embodiment 1
A kind of method for producing abrasion-proof steel ball, comprises the following steps：
1) blanking：Round steel is subjected to blanking with cutter device；
The round steel includes the component of following percetage by weight：0.5% C；0.5% Si；1.0% Mn；0.3%
Mo；0.001% Nb；4% V；0.2% W；0.5% Co；Remaining is Fe and inevitable impurity；
2) heat：By the blanking product heats obtained after blanking in step 1) to 900 DEG C；
3) forge：The blanking product obtained after being heated in step 2) is class spherical shape ball by pneumatic hammer forging molding
Base；
4) roll forging is molded：The class spherical shape ball base obtained in step 3) is shaped to justify on forging roll by roll forging processing
Spherical semi-finished product；
5) isothermal processes：The spherical shape semi-finished product obtained in step 4) are subjected to isothermal processes, isothermal temperature is 870 DEG C,
Isothermal time is 180s；
6) quench：The spherical shape semi-finished product obtained after isothermal processes in step 5) are subjected to Quenching Treatment, hardening heat is
750 DEG C, cool time 90s；
7) it is tempered：The spherical shape semi-finished product obtained after Quenching Treatment in step 6) are subjected to temper, temperature is
190 DEG C, tempering time 5h, after the completion of be made steel ball, the size of obtained steel ball is φ 60mm.
Detection：According to examination criteria, standard specimen is made in abrasion-proof steel ball sampling, detects the mechanical property of the abrasion-proof steel ball
Can, the case hardness of the abrasion-proof steel ball is 60 degree of HRC, and volume hardness is 45 degree of HRC, 7.5 meters of antifatigue fall-down tests 20000
No-failure steel ball, impact value AK≤12J/ ㎝ after secondary2。
Embodiment 2
A kind of method for producing abrasion-proof steel ball, comprises the following steps：
1) blanking：Waste and old Train wheel is cut into bulk with cutting machine；
2) heat：The block obtained after being cut in step 1) is heated to 1000 DEG C；
3) forge：The block obtained after being heated in step 2) is class spherical shape ball base by pneumatic hammer forging molding；
4) roll forging is molded：The class spherical shape ball base obtained in step 3) is shaped to justify on forging roll by roll forging processing
Spherical semi-finished product；
5) isothermal processes：The spherical shape semi-finished product obtained in step 4) are subjected to isothermal processes, isothermal temperature is 750 DEG C,
Isothermal time is 240s；
6) quench：The spherical shape semi-finished product obtained after isothermal processes in step 5) are subjected to Quenching Treatment, hardening heat is
730 DEG C, cool time 90s；
7) it is tempered：The spherical shape semi-finished product obtained after Quenching Treatment in step 6) are subjected to temper, temperature is
180 DEG C, tempering time 6h, after the completion of be made steel ball, the size of obtained steel ball is φ 70mm.
Detection：According to examination criteria, standard specimen is made in abrasion-proof steel ball sampling, detects the mechanical property of the abrasion-proof steel ball
Can, the case hardness of the abrasion-proof steel ball is 63 degree of HRC, and volume hardness is 46 degree of HRC, 7.5 meters of antifatigue fall-down tests 20000
No-failure steel ball, impact value AK≤12J/ ㎝ after secondary2。
Embodiment 3
A kind of method for producing abrasion-proof steel ball, comprises the following steps：
1) blanking：Waste and old steel rail is cut into bulk with cutting machine；
2) heat：The block obtained after being cut in step 1) is heated to 950 DEG C；
3) forge：The block obtained after being heated in step 2) is class spherical shape ball base by pneumatic hammer forging molding；
4) roll forging is molded：The class spherical shape ball base obtained in step 3) is shaped to justify on forging roll by roll forging processing
Spherical semi-finished product；
5) isothermal processes：The spherical shape semi-finished product obtained in step 4) are subjected to isothermal processes, isothermal temperature is 800 DEG C,
Isothermal time is 210s；
6) quench：The spherical shape semi-finished product obtained after isothermal processes in step 5) are subjected to Quenching Treatment, hardening heat is
740 DEG C, cool time 85s；
7) it is tempered：The spherical shape semi-finished product obtained after Quenching Treatment in step 6) are subjected to temper, temperature is
190 DEG C, tempering time 5h, after the completion of be made steel ball, the size of obtained steel ball is φ 90mm.
Detection：According to examination criteria, standard specimen is made in abrasion-proof steel ball sampling, detects the mechanical property of the abrasion-proof steel ball
Can, the case hardness of the abrasion-proof steel ball is 64 degree of HRC, and volume hardness is 46 degree of HRC, 7.5 meters of antifatigue fall-down tests 20000
No-failure steel ball, impact value AK≤12J/ ㎝ after secondary2。
The explanation of above example is only intended to help the method and its core concept for understanding the present invention.It should be pointed out that pair
For those skilled in the art, under the premise without departing from the principles of the invention, the present invention can also be carried out
Some improvement and modification, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications for these embodiments are it will be apparent that defined herein one for those skilled in the art
As principle can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will
It will not be intended to be limited to the embodiments shown herein, and be to fit to consistent with principles disclosed herein and features of novelty
Widest range.
Claims (3)
- A kind of 1. method for producing abrasion-proof steel ball, it is characterised in that comprise the following steps：1) blanking：Round steel or waste and old Train wheel or waste and old steel rail are subjected to blanking with cutter device, specifically included waste and old fire Wheel or waste and old steel rail cut into bulk with cutting machine；2) heat：By the blanking product heats obtained after blanking in step 1) to 900 DEG C~1000 DEG C；3) forge：The blanking product obtained after being heated in step 2) is class spherical shape ball base by pneumatic hammer forging molding；4) roll forging is molded：The class spherical shape ball base obtained in step 3) is shaped to spherical shape on forging roll by roll forging processing Semi-finished product；5) isothermal processes：The spherical shape semi-finished product obtained in step 4) are subjected to isothermal processes, isothermal temperature is 750 DEG C~870 DEG C, isothermal time is 180s~240s；6) quench：The spherical shape semi-finished product obtained after isothermal processes in step 5) are subjected to Quenching Treatment, hardening heat is 730 DEG C ~750 DEG C, the cool time is 80s~90s；7) it is tempered：The spherical shape semi-finished product obtained after Quenching Treatment in step 6) are subjected to temper, temperature is 180 DEG C ~200 DEG C, tempering time is 4h~6h, after the completion of be made steel ball.
- 2. according to the method for claim 1, it is characterised in that the round steel includes the component of following percetage by weight： 0.5%~0.6% C；0.2%~0.5% Si；1.0%~1.5% Mn；0.1%~0.3% Mo；0.001%~ 0.003% Nb；2%~4% V；0.2%~0.5% W；0.1%~0.5% Co；Remaining is for Fe and unavoidably Impurity.
- 3. according to the method for claim 1, it is characterised in that the size of obtained steel ball is φ 60mm~100mm.
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| CN201710676031.2A CN107447095A (en) | 2017-08-09 | 2017-08-09 | A kind of method for producing abrasion-proof steel ball |
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| CN201710676031.2A CN107447095A (en) | 2017-08-09 | 2017-08-09 | A kind of method for producing abrasion-proof steel ball |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326520A (en) * | 2018-02-26 | 2018-07-27 | 朱威威 | A method of producing abrasion-proof steel ball |
| CN109023117A (en) * | 2018-09-30 | 2018-12-18 | 武钢集团昆明钢铁股份有限公司 | A kind of mining production ore pulp abrasion-proof steel ball and preparation method thereof |
| CN109777941A (en) * | 2019-03-04 | 2019-05-21 | 沈阳建臻钢球有限公司 | A kind of hot rolling, hot forging steel ball waste heat quenching device and quenching technical |
| CN113680920A (en) * | 2021-08-24 | 2021-11-23 | 河北科技师范学院 | Method for manufacturing hoe by utilizing waste steel rail |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108326520A (en) * | 2018-02-26 | 2018-07-27 | 朱威威 | A method of producing abrasion-proof steel ball |
| CN109023117A (en) * | 2018-09-30 | 2018-12-18 | 武钢集团昆明钢铁股份有限公司 | A kind of mining production ore pulp abrasion-proof steel ball and preparation method thereof |
| CN109777941A (en) * | 2019-03-04 | 2019-05-21 | 沈阳建臻钢球有限公司 | A kind of hot rolling, hot forging steel ball waste heat quenching device and quenching technical |
| CN113680920A (en) * | 2021-08-24 | 2021-11-23 | 河北科技师范学院 | Method for manufacturing hoe by utilizing waste steel rail |
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Application publication date: 20171208 |