CN101381848A - Method of preparing wearable steel ball - Google Patents
Method of preparing wearable steel ball Download PDFInfo
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- CN101381848A CN101381848A CNA2008101554860A CN200810155486A CN101381848A CN 101381848 A CN101381848 A CN 101381848A CN A2008101554860 A CNA2008101554860 A CN A2008101554860A CN 200810155486 A CN200810155486 A CN 200810155486A CN 101381848 A CN101381848 A CN 101381848A
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- steel ball
- round steel
- abrasion
- chromium
- manufacture method
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Abstract
The invention provides a method for manufacturing a wear-resistant steel ball, which comprises the following steps: 1) selecting round steel containing the following high carbon low alloy; 2) heating the round steel to between 1, 000 and 1, 100 DEG C and performing thermal insulation for a period of time; 3) diagonally rolling the round steel into a steel ball through a two-roll screw groove; and 4) adding the steel ball into a spiral quenching cylinder, and carrying out low-temperature tempering at a temperature of between 180 and 200 DEG C after the quenching. The method for manufacturing the wear-resistant steel ball selects the round steel with high carbon low alloy as a raw material, does not need to consume a large amount of alloy materials such as chromium, and reduces the cost; and the produced wear-resistant steel ball has the characteristics of high strength, high hardness, high wear resistance, shock resistance and so on.
Description
Technical field
The present invention relates to the manufacture method of a kind of manufacture method, particularly abrasion-proof steel ball.
Background technology
Abrasion-proof steel ball is one of indispensable important auxilliary materials of industrial sector such as mine, building materials, coal, chemical industry, because abrasion-proof steel ball is easily-consumed products, the market annual requirement is very big.
At present, abrasion-proof steel ball on the market is generally produced with casting, forging mode, need select for use the higher steel of alloy contents such as chromium as raw material, it is higher to expend a large amount of alloy materials such as chromium, cost, and can not fully meet the demands on mechanical property.
Summary of the invention
At above-mentioned defective, the manufacture method of abrasion-proof steel ball provided by the invention, select for use the high-carbon low-alloy round steel as raw material, do not need to expend a large amount of alloy materials such as chromium, cost and reduce, and the abrasion-proof steel ball of producing has intensity height, hardness height, wear resistance is high and characteristics such as shock-resistant.
The manufacture method of abrasion-proof steel ball provided by the invention may further comprise the steps:
1) select the round steel that comprises following component and mass percent for use:
Carbon 0.70~0.80
Silicon 0.17~0.37
Manganese 0.70~0.80
Phosphorus 0~0.35
Sulphur 0~0.035
Chromium 0.30~0.55
Nickel 0~0.25
Copper 0~0.25;
2) described round steel is heated to 1000 ℃~1100 ℃;
3) use two roller helical grooves that described round steel oblique milling is become steel ball;
4) described steel ball is dropped into the spiral tube that quenches and quench, and after quenching, carry out 180 ℃~200 ℃ low-temperaturetempering.
Preferably, each component and mass percent further are in the described step 1):
Carbon 0.77~0.80
Silicon 0.3~0.35
Manganese 0.73~0.77
Phosphorus 0~0.05
Sulphur 0~0.03
Chromium 0.30~0.35
Nickel 0~0.25
Copper 0~0.25.
Preferably, each component and mass percent further are in the described step 1):
Carbon 0.77
Silicon 0.33
Manganese 0.75
Phosphorus 0.014
Sulphur 0.022
Chromium 0.33
Nickel 0~0.25
Copper 0~0.25.
The manufacture method of abrasion-proof steel ball provided by the invention, the metallographic structure of producing the abrasion-proof steel ball that obtains is: tempered martensite.Round steel is heated to 1000~1100 degree, by two roller screw groove diagonal rolling balling-up, utilizes the finish to gauge waste heat to go into water quenching, and the low-temperaturetempering that is equipped with 180 ℃~200 ℃ realizes.The abrasion-proof steel ball hardness of different size can realize by the content of regulating chromium in the round steel, and the temperature when being equipped with different low-temperaturetemperings.
The manufacture method of abrasion-proof steel ball provided by the invention, the steel ball of production has the following advantages:
1, alloy content is low, and cost is low;
2, hardening capacity, hardenability height.Hardness can reach 60~66HRC, and even, the inside and outside difference of hardness of Hardness Distribution is little, no quenching soft spots;
3, steel ball is a tempered martensite, and wear resisting property is good.
Embodiment
Embodiment 1:
The manufacture method of the abrasion-proof steel ball that the embodiment of the invention provides may further comprise the steps:
At first, select the round steel that comprises following component and mass percent for use:
Carbon 0.77
Silicon 0.33
Manganese 0.75
Phosphorus 0.014
Sulphur 0.022
Chromium 0.33
Nickel 0~0.25
Copper 0~0.25.
Use equipment: inclined-bottom heating furnace, screw groove diagonal rolling machine, spiral quenching tube, tempering stove.
The course of processing: described round steel is broken into 2m~3m length joins inclined-bottom heating furnace and be heated to 1000-1100 ℃, burn and to enter the screw groove diagonal rolling machine after ripe the grilling thoroughly and roll into ball in material, enter spiral quenching tube and quench 25~45 ℃ of quenching water temperatures, 180~200 ℃ of low-temperaturetemperings.
Hardness detects: get steel ball line cutting sampling, cutting plane is by the centre of sphere, and section grinds off about 0.5mm through surface grinding machine, adopts Rockwell hardometer to test 1 point hardness value, hardness such as table 1 every 5mm.
Table 1
Apart from ball surface distance mm | 1 | 6 | 11 | 16 | 21 | 26 heart portions |
Rockwell hardness HRC | 63.5 | 63.5 | 63.5 | 63 | 63 | 62.5 |
As can be seen from Table 1: ball surface hardness 63.5HRC, centre hardness 62.5HRC, the volume hardness 63HRC that calculates.The ball Hardness Distribution is even, is defectives such as 1HRC, no quenching soft spots from the surface to the centre hardness difference.The hardening capacity hardenability is good.
The metallographic structure of steel ball: tempered martensite, martensite hardness is high and have a good wear resistance.
Impulse Test Result: non-notch sample impact value 〉=14g/CM
2
Embodiment 2:
The manufacture method of the abrasion-proof steel ball that the embodiment of the invention provides may further comprise the steps: at first, select the round steel that comprises following component and mass percent for use:
Carbon 0.7
Silicon 0.17
Manganese 0.7
Phosphorus 0
Sulphur 0
Chromium 0.3
Nickel 0
Copper 0.
Use equipment: inclined-bottom heating furnace, screw groove diagonal rolling machine, spiral quenching tube, tempering stove.
The course of processing: described round steel is broken into 2m~3m length joins inclined-bottom heating furnace and be heated to 1000-1100 ℃, burn and to enter the screw groove diagonal rolling machine after ripe the grilling thoroughly and roll into ball in material, enter spiral quenching tube and quench 25~45 ℃ of quenching water temperatures, 180~200 ℃ of low-temperaturetemperings.
Embodiment 3:
The manufacture method of the abrasion-proof steel ball that the embodiment of the invention provides may further comprise the steps: at first, select the round steel that comprises following component and mass percent for use:
Carbon 0.8
Silicon 0.37
Manganese 0.8
Phosphorus 0.35
Sulphur 0.035
Chromium 0.55
Nickel 0.25
Copper 0.25.
Use equipment: inclined-bottom heating furnace, screw groove diagonal rolling machine, spiral quenching tube, tempering stove.
The course of processing: described round steel is broken into 2m~3m length joins inclined-bottom heating furnace and be heated to 1000-1100 ℃, burn and to enter the screw groove diagonal rolling machine after ripe the grilling thoroughly and roll into ball in material, enter spiral quenching tube and quench 25~45 ℃ of quenching water temperatures, 180~200 ℃ of low-temperaturetemperings.
Embodiment 4:
The manufacture method of the abrasion-proof steel ball that the embodiment of the invention provides may further comprise the steps: at first, select the round steel that comprises following component and mass percent for use:
Carbon 0.77
Silicon 0.3
Manganese 0.73
Phosphorus 0
Sulphur 0
Chromium 0.3
Nickel 0
Copper 0.
Use equipment: inclined-bottom heating furnace, screw groove diagonal rolling machine, spiral quenching tube, tempering stove.
The course of processing: described round steel is broken into 2m~3m length joins inclined-bottom heating furnace and be heated to 1000-1100 ℃, burn and to enter the screw groove diagonal rolling machine after ripe the grilling thoroughly and roll into ball in material, enter spiral quenching tube and quench 25~45 ℃ of quenching water temperatures, 180~200 ℃ of low-temperaturetemperings.
Embodiment 5:
The manufacture method of the abrasion-proof steel ball that the embodiment of the invention provides may further comprise the steps:
At first, select the round steel that comprises following component and mass percent for use:
Carbon 0.8
Silicon 0.35
Manganese 0.77
Phosphorus 0.05
Sulphur 0.03
Chromium 0.35
Nickel 0.25
Copper 0.25.
Use equipment: inclined-bottom heating furnace, screw groove diagonal rolling machine, spiral quenching tube, tempering stove.
The course of processing: described round steel is broken into 2m~3m length joins inclined-bottom heating furnace and be heated to 1000-1100 ℃, burn and to enter the screw groove diagonal rolling machine after ripe the grilling thoroughly and roll into ball in material, enter spiral quenching tube and quench 25~45 ℃ of quenching water temperatures, 180~200 ℃ of low-temperaturetemperings.
Claims (3)
1, a kind of manufacture method of abrasion-proof steel ball is characterized in that, may further comprise the steps: 1) select the round steel that comprises following component and mass percent for use:
Carbon 0.70~0.80
Silicon 0.17~0.37
Manganese 0.70~0.80
Phosphorus 0~0.35
Sulphur 0~0.035
Chromium 0.30~0.55
Nickel 0~0.25
Copper 0~0.25;
2) described round steel is heated to 1000 ℃~1100 ℃, and insulation for some time;
3) use two roller helical grooves that described round steel oblique milling is become steel ball;
4) described steel ball is dropped into the spiral tube that quenches and quench, and after quenching, carry out 180 ℃~200 ℃ low-temperaturetempering.
2, the manufacture method of abrasion-proof steel ball according to claim 1 is characterized in that, each component and mass percent further are in the described step 1):
Carbon 0.77~0.80
Silicon 0.3~0.35
Manganese 0.73~0.77
Phosphorus 0~0.05
Sulphur 0~0.03
Chromium 0.30~0.35
Nickel 0~0.25
Copper 0~0.25.
3, the manufacture method of abrasion-proof steel ball according to claim 2 is characterized in that, each component and mass percent further are in the described step 1):
Carbon 0.77
Silicon 0.33
Manganese 0.75
Phosphorus 0.014
Sulphur 0.022
Chromium 0.33
Nickel 0~0.25
Copper 0~0.25.
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CNA2008101554860A CN101381848A (en) | 2008-10-23 | 2008-10-23 | Method of preparing wearable steel ball |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101899624A (en) * | 2010-08-06 | 2010-12-01 | 常熟市龙特耐磨球有限公司 | High-carbon low-alloy large size wearable forged mining steel ball and manufacture method thereof |
CN101906589A (en) * | 2010-07-16 | 2010-12-08 | 江苏沙钢集团淮钢特钢有限公司 | Steel for high abrasion-resistant and impact-resistant alloy steel ball |
CN106435363A (en) * | 2016-10-28 | 2017-02-22 | 河北天理环保科技有限公司 | Rolled high-wearable steel ball and production method thereof |
CN107312923A (en) * | 2017-07-15 | 2017-11-03 | 芜湖乾凯材料科技有限公司 | A kind of high crush load steel ball and its processing method |
CN107586922A (en) * | 2017-09-21 | 2018-01-16 | 四川鸿舰重型机械制造有限责任公司 | The online immediate quenching technique of U71MnU75V rolling steel balls |
CN108085602A (en) * | 2018-01-05 | 2018-05-29 | 天津荣程联合钢铁集团有限公司 | A kind of rolling processing method of abrasion-proof steel ball steel and the steel ball |
CN108220747A (en) * | 2018-01-05 | 2018-06-29 | 天津荣程联合钢铁集团有限公司 | A kind of preparation process and its cleaning equipment of abrasion-proof steel ball steel |
CN108315647A (en) * | 2018-02-09 | 2018-07-24 | 天津荣程联合钢铁集团有限公司 | Abrading-ball Steel material and preparation method thereof |
CN108326520A (en) * | 2018-02-26 | 2018-07-27 | 朱威威 | A method of producing abrasion-proof steel ball |
CN111254273A (en) * | 2020-03-06 | 2020-06-09 | 常熟市龙特耐磨球有限公司 | Preparation method of high-carbon wear-resistant steel ball |
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2008
- 2008-10-23 CN CNA2008101554860A patent/CN101381848A/en active Pending
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101906589A (en) * | 2010-07-16 | 2010-12-08 | 江苏沙钢集团淮钢特钢有限公司 | Steel for high abrasion-resistant and impact-resistant alloy steel ball |
CN101899624A (en) * | 2010-08-06 | 2010-12-01 | 常熟市龙特耐磨球有限公司 | High-carbon low-alloy large size wearable forged mining steel ball and manufacture method thereof |
CN106435363A (en) * | 2016-10-28 | 2017-02-22 | 河北天理环保科技有限公司 | Rolled high-wearable steel ball and production method thereof |
CN107312923A (en) * | 2017-07-15 | 2017-11-03 | 芜湖乾凯材料科技有限公司 | A kind of high crush load steel ball and its processing method |
CN107586922A (en) * | 2017-09-21 | 2018-01-16 | 四川鸿舰重型机械制造有限责任公司 | The online immediate quenching technique of U71MnU75V rolling steel balls |
CN108085602A (en) * | 2018-01-05 | 2018-05-29 | 天津荣程联合钢铁集团有限公司 | A kind of rolling processing method of abrasion-proof steel ball steel and the steel ball |
CN108220747A (en) * | 2018-01-05 | 2018-06-29 | 天津荣程联合钢铁集团有限公司 | A kind of preparation process and its cleaning equipment of abrasion-proof steel ball steel |
CN108085602B (en) * | 2018-01-05 | 2019-05-17 | 天津荣程联合钢铁集团有限公司 | A kind of rolling processing method of abrasion-proof steel ball steel and the steel ball |
CN108315647A (en) * | 2018-02-09 | 2018-07-24 | 天津荣程联合钢铁集团有限公司 | Abrading-ball Steel material and preparation method thereof |
CN108315647B (en) * | 2018-02-09 | 2020-02-21 | 天津荣程联合钢铁集团有限公司 | Grinding ball steel material and preparation method thereof |
CN108326520A (en) * | 2018-02-26 | 2018-07-27 | 朱威威 | A method of producing abrasion-proof steel ball |
CN111254273A (en) * | 2020-03-06 | 2020-06-09 | 常熟市龙特耐磨球有限公司 | Preparation method of high-carbon wear-resistant steel ball |
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Open date: 20090311 |