CN103526119A - Yin-yang wear-resistant steel ball - Google Patents
Yin-yang wear-resistant steel ball Download PDFInfo
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- CN103526119A CN103526119A CN201310440075.7A CN201310440075A CN103526119A CN 103526119 A CN103526119 A CN 103526119A CN 201310440075 A CN201310440075 A CN 201310440075A CN 103526119 A CN103526119 A CN 103526119A
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Abstract
The invention discloses a yin-yang wear-resistant steel ball, relating to the technical field of wear-resistant steel balls. The yin-yang wear-resistant steel ball comprises a mother half ball and a child half ball, wherein a trapezoidal groove is formed in the mother half ball, a trapezoidal boss is arranged on the child half ball, and the trapezoidal groove is matched with the trapezoidal boss; or a trapezoidal boss is arranged on the mother half ball, a trapezoidal groove is formed in the child half ball, and the trapezoidal groove is matched with the trapezoidal boss. The yin-yang wear-resistant steel ball disclosed by the invention has the beneficial effects that halves of a high-chromium wear-resistant steel ball and a low-chromium wear-resistant steel ball are integrated into a wear-resistant steel ball to form the yin-yang wear-resistant steel ball, thereby improving the comprehensive performance of the wear-resistant steel ball and widening the application range of the wear-resistant steel ball; and the linearly-cut half steel ball is filled to form a whole steel ball by a secondary pouring way, thereby avoiding the phenomena of fracture and dislocation of the yin-yang wear-resistant steel ball obtained by a mechanical connection way or welding combination way in the using process.
Description
Technical field
The present invention relates to abrasion-proof steel ball technical field, be specifically related to a kind of negative and positive type abrasion-proof steel ball and production method thereof.
Background technology
Under some special conditionss, usually need the steel ball of special substance, complete the lower function that reaches of requiring of varying environment.Applying of relevant industries, has not only promoted the development of steel ball production industry, and has promoted technical development and the scientific-technical progress of relevant industries.
Through research for many years, show with practice, HI-chrome cast iron for grinding balls is because the composition of material is excessive with designing most, and having increased cost has wasted again resource.In order to make the toughness of abrading-ball and wear resisting property reach desirable, coordinate, make up abrading-ball wear resistance and excellent toughness deficiency and must be through quench hot temper, but this method is unsatisfactory, common abrading-ball early deformation and the Crushing Problem of existing.Although the petty ball production cost of low chrome is low, because its percentage of damage is high, volatile circle, can not guarantee to meet the requirement of large-sized grinder working condition, therefore can not become regeneration product.And existing abrasion-proof steel ball can not possess the performance of high-chromium wear-resistant steel ball and low chromium abrasion-proof steel ball simultaneously, and use occasion is limited.
Summary of the invention
The object of the invention is the defect for above-mentioned prior art, a kind of negative and positive type abrasion-proof steel ball and production method thereof are provided.
Object of the present invention can be achieved through the following technical solutions:
A type abrasion-proof steel ball, comprises female hemisphere and sub-hemisphere, and described female hemisphere is provided with trapezoidal groove, and described sub-hemisphere is provided with trapezoid boss, and described trapezoidal groove matches with trapezoid boss; Or described female hemisphere is provided with trapezoid boss, sub-hemisphere is provided with trapezoidal groove, and described trapezoidal groove matches with trapezoid boss.
The method of production negative and positive type abrasion-proof steel ball, mainly comprises the following steps:
(1) melting technology
According to chemical composition mass percent is: C2.4～2.8%, Si0.4～0.7%, Mn0.3～0.6%, Cr10.0～10.5%, S≤0.008%, P≤0.008%, and all the other are Fe, are placed in medium-frequency induction furnace melting, the high chromium hot melt of system is standby;
According to chemical composition mass percent is: C0.9～0.7%, Si0.22～0.32%, Mn0.5～0.65%, Cr0.9～1.4%, S≤0.008%, P≤0.008%, and all the other are Fe, are placed in medium-frequency induction furnace melting, the low chromium hot melt of system is standby;
(2) cast
High chromium hot melt step (1) Suo Shu and low chromium hot melt are carried out respectively to metal pattern cast, and molding after cooling, obtains respectively high-Cr grinding balls and low Cr grinding balls, standby;
(3) cut apart
Utilize wire cutting machine that high-Cr grinding balls step (2) Suo Shu and low Cr grinding balls are cut apart from middle part and be female hemisphere claimed in claim 1 and sub-semi-spherical shape, standby;
(4) second pouring
The female hemisphere of step (3) gained and sub-hemisphere are packed into respectively in metal pattern again, pour into a mould respectively the molten iron of the described another kind of composition of step (1), obtain work in-process negative and positive abrasion-proof steel ball;
(5) thermal treatment
Quench: process furnace is warming up to 650 ℃, is incubated after 2～4 hours, in 1000～1050 ℃ of ponds, quench, after 2 hours, drop into tempering stove;
Tempering: furnace temperature is controlled at 250～280 ℃, tempering 8～9 hours, obtains finished product negative and positive abrasion-proof steel ball;
(6) deposit: pack, leave in product library.
The invention has the beneficial effects as follows:
(1) the present invention gets high-chromium wear-resistant steel ball and low chromium abrasion-proof steel ball to be partly dissolved in an abrasion-proof steel ball, forms negative and positive type abrasion-proof steel ball, has improved the over-all properties of abrasion-proof steel ball, is that abrasion-proof steel ball range of application is wider.
(2) the present invention is filled to as a whole steel ball by the mode of second pouring by line cutting half steel ball later, has avoided the negative and positive type abrasion-proof steel ball of mechanical connection manner or welding array mode gained in use to rupture, the generation of inconsistent phenomenon.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the sub-semiglobe schematic diagram of the present invention;
Fig. 3 is the female semiglobe schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail:
As Figure 1-3, a kind of negative and positive type abrasion-proof steel ball, comprises female hemisphere and sub-hemisphere, and described female hemisphere is provided with trapezoidal groove, and described sub-hemisphere is provided with trapezoid boss, and described trapezoidal groove matches with trapezoid boss; Or described female hemisphere is provided with trapezoid boss, sub-hemisphere is provided with trapezoidal groove, and described trapezoidal groove matches with trapezoid boss.
The method of production negative and positive type abrasion-proof steel ball, mainly comprises the following steps:
(1) melting technology
According to chemical composition mass percent is: C2.4～2.8%, Si0.4～0.7%, Mn0.3～0.6%, Cr10.0～10.5%, S≤0.008%, P≤0.008%, and all the other are Fe, are placed in medium-frequency induction furnace melting, the high chromium hot melt of system is standby;
According to chemical composition mass percent is: C0.9～0.7%, Si0.22～0.32%, Mn0.5～0.65%, Cr0.9～1.4%, S≤0.008%, P≤0.008%, and all the other are Fe, are placed in medium-frequency induction furnace melting, the low chromium hot melt of system is standby;
(2) cast
High chromium hot melt step (1) Suo Shu and low chromium hot melt are carried out respectively to metal pattern cast, and molding after cooling, obtains respectively high-Cr grinding balls and low Cr grinding balls, standby;
(3) cut apart
Utilize wire cutting machine that high-Cr grinding balls step (2) Suo Shu and low Cr grinding balls are cut apart from middle part and be female hemisphere claimed in claim 1 and sub-semi-spherical shape, standby;
(4) second pouring
The female hemisphere of step (3) gained and sub-hemisphere are packed into respectively in metal pattern again, pour into a mould respectively the molten iron of the described another kind of composition of step (1), obtain work in-process negative and positive abrasion-proof steel ball;
(5) thermal treatment
Quench: process furnace is warming up to 650 ℃, is incubated after 2～4 hours, in 1000～1050 ℃ of ponds, quench, after 2 hours, drop into tempering stove;
Tempering: furnace temperature is controlled at 250～280 ℃, tempering 8～9 hours, obtains finished product negative and positive abrasion-proof steel ball;
(6) deposit: pack, leave in product library.
Claims (2)
1. a negative and positive type abrasion-proof steel ball, is characterized in that: comprise female hemisphere and sub-hemisphere, described female hemisphere is provided with trapezoidal groove, and described sub-hemisphere is provided with trapezoid boss, and described trapezoidal groove matches with trapezoid boss; Or described female hemisphere is provided with trapezoid boss, sub-hemisphere is provided with trapezoidal groove, and described trapezoidal groove matches with trapezoid boss.
2. the method for the negative and positive type abrasion-proof steel ball described in production claim 1, is characterized in that: mainly comprise the following steps:
(1) melting technology
According to chemical composition mass percent is: C2.4～2.8%, Si0.4～0.7%, Mn0.3～0.6%, Cr10.0～10.5%, S≤0.008%, P≤0.008%, and all the other are Fe, are placed in medium-frequency induction furnace melting, the high chromium hot melt of system is standby;
According to chemical composition mass percent is: C0.9～0.7%, Si0.22～0.32%, Mn0.5～0.65%, Cr0.9～1.4%, S≤0.008%, P≤0.008%, and all the other are Fe, are placed in medium-frequency induction furnace melting, the low chromium hot melt of system is standby;
(2) cast
High chromium hot melt step (1) Suo Shu and low chromium hot melt are carried out respectively to metal pattern cast, and molding after cooling, obtains respectively high-Cr grinding balls and low Cr grinding balls, standby;
(3) cut apart
Utilize wire cutting machine that high-Cr grinding balls step (2) Suo Shu and low Cr grinding balls are cut apart from middle part and be female hemisphere claimed in claim 1 and sub-semi-spherical shape, standby;
(4) second pouring
The female hemisphere of step (3) gained and sub-hemisphere are packed into respectively in metal pattern again, pour into a mould respectively the molten iron of the described another kind of composition of step (1), obtain work in-process negative and positive abrasion-proof steel ball;
(5) thermal treatment
Quench: process furnace is warming up to 650 ℃, is incubated after 2～4 hours, in 1000～1050 ℃ of ponds, quench, after 2 hours, drop into tempering stove;
Tempering: furnace temperature is controlled at 250～280 ℃, tempering 8～9 hours, obtains finished product negative and positive abrasion-proof steel ball;
(6) deposit: pack, leave in product library.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310440075.7A CN103526119B (en) | 2013-09-25 | 2013-09-25 | A kind of Yin-yang wear-resistant steel ball |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310440075.7A CN103526119B (en) | 2013-09-25 | 2013-09-25 | A kind of Yin-yang wear-resistant steel ball |
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| CN103526119A true CN103526119A (en) | 2014-01-22 |
| CN103526119B CN103526119B (en) | 2017-12-22 |
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| CN201310440075.7A Expired - Fee Related CN103526119B (en) | 2013-09-25 | 2013-09-25 | A kind of Yin-yang wear-resistant steel ball |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907502A (en) * | 2015-06-02 | 2015-09-16 | 中国石油天然气股份有限公司 | Making method of large-size metal soluble balls |
| CN105033228A (en) * | 2015-08-10 | 2015-11-11 | 宁波通达精密铸造有限公司 | Abrasion-resistant block for protecting digging bucket and preparation method thereof |
| CN107557657A (en) * | 2017-09-06 | 2018-01-09 | 马鞍山市万兴耐磨金属制造有限公司 | A kind of low chrome abrasion-proof steel ball and its manufacture method with composite wear-resistant layer |
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| CN1600889A (en) * | 2004-10-26 | 2005-03-30 | 宁波浙东精密铸造有限公司 | Wearable cast steel in microalloy martensite and manufacturing method |
| CN101445889A (en) * | 2008-12-26 | 2009-06-03 | 马鞍山市益丰实业集团有限公司 | High abrasion proof re-synthesizing cast iron grinding ball and production method thereof |
| CN101736200A (en) * | 2009-12-24 | 2010-06-16 | 宁国市开源电力耐磨材料有限公司 | High-carbon steel multi-alloy wear-resisting ball and production method thereof |
| CN202861324U (en) * | 2012-09-15 | 2013-04-10 | 安徽省怀远县尚冠模具科技有限公司 | Mold for producing steel ball |
| CN203530404U (en) * | 2013-09-25 | 2014-04-09 | 宁国市正兴耐磨材料有限公司 | Male and female wearable steel ball |
-
2013
- 2013-09-25 CN CN201310440075.7A patent/CN103526119B/en not_active Expired - Fee Related
Patent Citations (5)
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| CN1600889A (en) * | 2004-10-26 | 2005-03-30 | 宁波浙东精密铸造有限公司 | Wearable cast steel in microalloy martensite and manufacturing method |
| CN101445889A (en) * | 2008-12-26 | 2009-06-03 | 马鞍山市益丰实业集团有限公司 | High abrasion proof re-synthesizing cast iron grinding ball and production method thereof |
| CN101736200A (en) * | 2009-12-24 | 2010-06-16 | 宁国市开源电力耐磨材料有限公司 | High-carbon steel multi-alloy wear-resisting ball and production method thereof |
| CN202861324U (en) * | 2012-09-15 | 2013-04-10 | 安徽省怀远县尚冠模具科技有限公司 | Mold for producing steel ball |
| CN203530404U (en) * | 2013-09-25 | 2014-04-09 | 宁国市正兴耐磨材料有限公司 | Male and female wearable steel ball |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907502A (en) * | 2015-06-02 | 2015-09-16 | 中国石油天然气股份有限公司 | Making method of large-size metal soluble balls |
| CN105033228A (en) * | 2015-08-10 | 2015-11-11 | 宁波通达精密铸造有限公司 | Abrasion-resistant block for protecting digging bucket and preparation method thereof |
| CN107557657A (en) * | 2017-09-06 | 2018-01-09 | 马鞍山市万兴耐磨金属制造有限公司 | A kind of low chrome abrasion-proof steel ball and its manufacture method with composite wear-resistant layer |
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| CN103526119B (en) | 2017-12-22 |
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