CN100406196C - Grinding ball production method - Google Patents
Grinding ball production method Download PDFInfo
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- CN100406196C CN100406196C CNB2006100439601A CN200610043960A CN100406196C CN 100406196 C CN100406196 C CN 100406196C CN B2006100439601 A CNB2006100439601 A CN B2006100439601A CN 200610043960 A CN200610043960 A CN 200610043960A CN 100406196 C CN100406196 C CN 100406196C
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- grinding ball
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000000227 grinding Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000010080 roll forging Methods 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 239000004568 cement Substances 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- -1 electric power Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- MHKWSJBPFXBFMX-UHFFFAOYSA-N iron magnesium Chemical compound [Mg].[Fe] MHKWSJBPFXBFMX-UHFFFAOYSA-N 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
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Abstract
A grinding ball production method, which mainly solves the problems of grinding ball yield and quality. The method comprises the steps that after square steel or round steel is fed according to a certain length, the square steel or round steel enters a heating furnace to be uniformly heated, ball materials are forged into an oval shape in a limiting die by an air hammer, the oval raw materials enter a roll forging machine, and move in a thread lead angle along a direction parallel to the axis of a spiral roll under the drive of the spiral force generated by two spiral rolls rotating anticlockwise and at a constant speed in the same direction, so that roll forming is carried out, and then the steel balls enter medium water to be subjected to heat treatment. Compared with the air hammer production mode, the production of the grinding ball is stable, the hardness is kept consistent, and the yield of the grinding ball is high. Is suitable for producing grinding balls with various diameters.
Description
Technical field
The present invention relates to the production method of abrading-ball in a kind of ball mill.
Background technology
Abrading-ball is a kind of abrasive media, is the lost material that wearing and tearing are the most serious in the ball mill, consumption is maximum, and it is widely used in industries such as metallurgy, building materials, electric power, cement, mine, machinery, chemical industry.
Show that according to interrelated data the iron ore mine system uses the average quantity used in unit volume blasted of all kinds of abrading-balls than high-quality (low-chromium cast-iron, martensite magnesium iron, martensite bainite ductile iron, 65Mn steel, 71Mn steel and medium high carbon CrVTi steel) to be the 1.8kg/t raw ore.Iron ore output was about about 3.3 hundred million tons in domestic 2004, in prediction on such basis iron ore mine abrading-ball year about 580,000 tons of expense.
Nonferrous metal mine is the 0.8-0.9kg/t ore deposit with abrading-ball ball consumption.10 kinds of China calendar year 2001s mainly contain 1.22 hundred million tons of non-ferrous metal ore extraction amounts, 8,840,000 tons of 10 kinds of non-ferrous metal total outputs, after this amplification surpasses 10% non-ferrous metal output year, now conservatively mainly contain non-ferrous metal ore extraction amount and calculate, need with low-chromium cast-iron grinding ball about 12.5 ten thousand tons domestic present nonferrous metallic ores year with 1.5 hundred million tons.The total capacity of installing the first half of the year in 2004 has reached 400,000,000 kilowatts (other 2004 the whole nation build the installation total capacity reach 1.6 hundred million kilowatts), and wherein thermoelectricity accounts for 75%, needs with abrading-ball about 31.5 ten thousand tons in national power industry year.Building materials industry is example with the cement plant, the about 0.1kg/t cement of domestic cement plant abrading-ball ball consumption, China's cement output increases rapidly, 1980 to 2002 annual average rates of increase 10.6%, the cement annual production is increased sharply to 7.25 hundred million tons by 7,986 ten thousand tons, and cement output reached 8.13 hundred million tons in 2003, produces about 4.25 hundred million tons of cement in the first half of the year in 2004, now calculate, need with abrading-ball about 80,000 tons domestic cement plant year with cement output in 2003.
Comprehensive above-mentioned iron and steel, non-ferrous metal, electric power and cement industry use the ball situation, about about 1,100,000 tons now in China with abrading-ball.Account for 55% of China's abrasion-resistant stee ironware total amount.
From the prospect prediction in market, the overall consumption of domestic abrasion-resistant stee ironware is with steadily increasing.At first have industry just to have wearing and tearing that wearing piece is just arranged, this is " an immortal industry ".Secondly economic construction also can spur the demand in wearing piece market, and high-tech high life high-abrasive material and wearing piece have then brought materials saving for the user.Can predict that powerful economic development impels the further expansion in wearing piece market at last.In addition, according to the situation analysis in the fair inside and outside web material and the participating nation, all kinds of abrasion-proof steel balls overseas market demand is also very big.
Abrading-ball is distinguished by its traditional mode of production two kinds of forged steel ball and steel ball castings.With regard to domestic forged steel ball, generally adopt two kinds of production technologies: forge and mill milling at present with pneumatic hammer.
When adopting pneumatic hammer to forge steel ball, its production procedure is that raw material cut off earlier, enter the heating furnace heating after, forge with pneumatic hammer.This kind mode of production operation link is many, and labor intensive is big, yields poorly, and complete machine production efficiency is low.Every equipment is per hour produced 0.29 ton of abrading-ball (abrading-ball of φ 80).
Another is to use milling train to produce abrading-ball, after its production procedure is the raw material heating, entering milling train formed by high temperature deformation, this technology has improved the output of abrading-ball greatly, but the ball base of a fruit appears being connected between ball and the ball in process of production easily, influenced the quality of production of abrading-ball, the appearance ratio of useless time ball determines (because two of a round steel easily forms the expense ball) by raw-material length aborning, but the long heating of round steel can be restricted again, it is unfavorable for the large tracts of land popularization, and its production cost is higher.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this invention is to provide a kind of grinding ball production method is the roll forging machine working system.To improve output, stabilized product quality.
Technical scheme of the present invention is, a kind of grinding ball production method is characterized in that, step is that square steel or round steel enter heating furnace and evenly heat, after heating-up temperature reaches 1100-1150 ℃ by after certain length blanking; The ball material is forged ovalisation with pneumatic hammer in spacing mould, the ellipticity raw material enters in the roll forging machine when temperature is 950～1120 ℃, at the spiral roll of two counterclockwise equidirectional uniform rotation and under the drive of the spiral power that produces, in lead angle, move along the direction that is parallel to the spiral roll axis, rolling is shaped, and this moment, terminal temperature was controlled at 890～930 ℃; Then steel ball enters in the WATER AS FLOW MEDIUM and heat-treats.
Described spiral roll is with 70 rev/mins rotational speed.
Described heat treatment temperature is 850 ℃.
The invention has the beneficial effects as follows that this method is a kind of high efficiency, low energy consumption, free of contamination forged steel ball producing process method.
Compare with the pneumatic hammer mode of production, abrading-ball production is stable, and hardness is consistent, and short because of rolling time, molding time unanimity, heat treatment process keep the processing of identical time.See attached list 1.
Compare with the pneumatic hammer mode of production, the output height of abrading-ball sees attached list 2.
Description of drawings:
Fig. 1 is the process principle figure of the inventive method;
Fig. 2 is the front view of ellipse blank in the inventive method.
The specific embodiment
With φ 20 steel ball productions is example,
The Theoretical Mass of blanking: φ 20 steel balls is 0.0338kg, and the fire consumption by 3% is calculated, and the blanking quality of φ 20 steel balls is 0.0338kg, so adopt the round steel of φ 14, cutting length is 28mm; Adopt the square steel blanking also can.
Heating forges: raw material is put into heating furnace and is heated between 1100-1150 ℃, begins to forge (spacing mould is controlled) with pneumatic hammer, it is forged be ellipticity (as shown in Figure 2), and this moment, temperature was controlled at about 950～1120 ℃.
Ellipse figure is wherein between the d ≈ h ≈ 19.5-20.5.
The roll forging machine roll forging: as Fig. 1, left roller 1, right roller 2 are set in parallel on the roll forging machine, and the upper and lower between left roller 1 and the right roller 2 is provided with overhead gage 3, lower baffle plate 4 respectively; Workpiece 5 is positioned at the helicla flute of left roller 1 and right roller 2.
The ellipticity raw material enters in the roll forging machine when temperature is 950～1120 ℃ of left and right sides, under the drive of spiral roll, moves along the direction that is parallel to the spiral roll axis in lead angle, and rolling is shaped for 10 seconds, and this moment, terminal temperature was controlled at about 890～930 ℃.The spiral roll carries out equidirectional spiral roll extrusion with 70 rev/mins average rate, and the roll forging process of steel ball has been finished in moulding in the moulding roll gap.
Heat treatment: steel ball is (± 20 ℃) about 850 ℃, enter in the WATER AS FLOW MEDIUM and heat-treat.
Get finished product at last.
Above-mentioned each temperature range can be appointed in scope and got.
Claims (3)
1. a grinding ball production method is characterized in that, step is that square steel or round steel enter heating furnace and evenly heat, after heating-up temperature reaches 1100-1150 ℃ by after certain length blanking; The ball material is forged ovalisation with pneumatic hammer in spacing mould, the ellipticity raw material enters in the roll forging machine when temperature is 950～1120 ℃, at the spiral roll of two counterclockwise equidirectional uniform rotation and under the drive of the spiral power that produces, in lead angle, move along the direction that is parallel to the spiral roll axis, rolling is shaped, and this moment, terminal temperature was controlled at 890～930 ℃; Then steel ball enters in the WATER AS FLOW MEDIUM and heat-treats.
2. a kind of grinding ball production method according to claim 1 is characterized in that, the spiral roll is with 70 rev/mins rotational speed.
3. a kind of grinding ball production method according to claim 1 is characterized in that, heat treatment temperature is 850 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100439601A CN100406196C (en) | 2006-05-16 | 2006-05-16 | Grinding ball production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100439601A CN100406196C (en) | 2006-05-16 | 2006-05-16 | Grinding ball production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1850435A CN1850435A (en) | 2006-10-25 |
| CN100406196C true CN100406196C (en) | 2008-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100439601A Active CN100406196C (en) | 2006-05-16 | 2006-05-16 | Grinding ball production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100406196C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858759B (en) * | 2015-04-30 | 2017-08-25 | 浙江工业大学 | A kind of staggeredly Ultraprecise polished device of roll-type of precision ball |
| CN104907835A (en) * | 2015-06-25 | 2015-09-16 | 侯宇岷 | Multi-head rotary-cut roll forging roller |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092007A (en) * | 1993-03-12 | 1994-09-14 | 东北重型机械学院南校 | A kind of manufacture method of white iron abrading-ball |
| CN1152623A (en) * | 1996-09-23 | 1997-06-25 | 魁永生 | High carbon low alloy steel miniature abrasive ball and making method |
| RU2102505C1 (en) * | 1996-01-30 | 1998-01-20 | Выдревич Леонид Абрамович | Method for heat treatment of balls from rolling heat and device for its embodiment |
| CN1425518A (en) * | 2002-12-30 | 2003-06-25 | 北京金相恒业科技发展有限公司 | Flat hammering and drawing formation method for abrasive ball |
-
2006
- 2006-05-16 CN CNB2006100439601A patent/CN100406196C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092007A (en) * | 1993-03-12 | 1994-09-14 | 东北重型机械学院南校 | A kind of manufacture method of white iron abrading-ball |
| RU2102505C1 (en) * | 1996-01-30 | 1998-01-20 | Выдревич Леонид Абрамович | Method for heat treatment of balls from rolling heat and device for its embodiment |
| CN1152623A (en) * | 1996-09-23 | 1997-06-25 | 魁永生 | High carbon low alloy steel miniature abrasive ball and making method |
| CN1425518A (en) * | 2002-12-30 | 2003-06-25 | 北京金相恒业科技发展有限公司 | Flat hammering and drawing formation method for abrasive ball |
Non-Patent Citations (1)
| Title |
|---|
| 钢质磨球锻轧技术分析与设备选型. 于朝霞，吕富强，赵大宁.塑性加工技术，第6期. 2004 * |
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| Publication number | Publication date |
|---|---|
| CN1850435A (en) | 2006-10-25 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG HUAMIN STEEL BALL CO., LTD. Free format text: FORMER NAME: SHANDONG HUAMIN CASTING-FORGING CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 250217, Shandong City, Ji'nan province Zhangqiu City Zhuang Township military village Patentee after: Shandong Huamin Steel Ball Joint-stock Co., Ltd. Address before: 250217, Shandong City, Ji'nan province Zhangqiu City Zhuang Township military village Patentee before: Shandong Huamin Casting-Forging Co., Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Grinding ball production method Effective date of registration: 20120322 Granted publication date: 20080730 Pledgee: Shandong investment Company limited by guarantee Pledgor: Shandong Huamin Steel Ball Joint-stock Co., Ltd. Registration number: 2012990000098 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170316 Granted publication date: 20080730 Pledgee: Shandong investment Company limited by guarantee Pledgor: Shandong Huamin Steel Ball Joint-stock Co., Ltd. Registration number: 2012990000098 |