CN104109795A - Abrasion-resistant lining plate for jaw crusher - Google Patents
Abrasion-resistant lining plate for jaw crusher Download PDFInfo
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- CN104109795A CN104109795A CN201410330713.4A CN201410330713A CN104109795A CN 104109795 A CN104109795 A CN 104109795A CN 201410330713 A CN201410330713 A CN 201410330713A CN 104109795 A CN104109795 A CN 104109795A
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Abstract
The invention discloses an abrasion-resistant lining plate for a jaw crusher. The abrasion-resistant lining plate comprises the following components in percentage by weight: 3.25%-3.3% of C, 3.4%-3.6% of Mn, 0.4%-0.6% of Si, 4.5%-5.0% of Cr, 0.8%-1.0% of Ba, 0.01%-0.04% of Al, 0.1%-0.15% of Mo, less than or equal to 0.02% of S, less than or equal to 0.02% of P and the balance of Fe. The abrasion-resistant lining plate disclosed by the invention has the advantages of good abrasion resistance, high rigidity and good toughness. According to the wearing plate, Cr can reinforce a substrate, and therefore the hardenability and the corrosion resistance are enhanced; Mn can enhance the hardenability and toughness of cast iron, and Al can enhance the mechanical property of the lining plate; the hardness of the lining plate is 62-65 HRC, the impact toughness of the lining plate is 6-7Jcm<2>, and the service life is as long as 30000-34000 hours.
Description
Technical field
The present invention relates to abrasion-proof backing block technical field, be specifically related to a kind of jaw crusher abrasion-proof backing block.
Background technology
Jaw crusher is made again jaw crusher, is mainly used in the medium size fragmentation to various ores and oversize material, is widely used in the industries such as mine, smelting, building materials, highway, railway, water conservancy and chemical industry.The high compressive strength of material of being broken is 320MPa.Performance characteristics is that reduction ratio is large, and product granularity is even, simple in structure, and dependable performance is keeped in repair easyly, and running cost is low.Jaw crusher in mine, the department such as building materials, capital construction is mainly as primary crusher and secondary crusher.Be divided into three kinds, large, medium and small type according to opening for feed width size, what opening for feed width was greater than 600MM is large-scale machine, and opening for feed width is medium-sized machine 300-600MM's, and what opening for feed width was less than 300MM is minicomputer.Jaw crusher is simple in structure, easy to manufacture, reliable operation, easy maintenance.
The working portion of jaw crusher is two jaws, the one, and fixed jaw, it is vertical that (be fixed on body antetheca, another is sewing jaw, and inclined position forms up big and down small crusher chamber with fixed jaw.Sewing jaw does periodic to-and-fro movement facing to fixed jaw, time and separate, time and close.Separately time, material enters crusher chamber, and finished product draws off from bottom; Near time, make to be contained in two blocks of materials between jaw and be squeezed, bending and slabbing action and fragmentation.
In jaw crusher, to the having relatively high expectations of abrasion-proof backing block, there is higher hardness, intensity, wear resistance, abrasion-proof backing block of the prior art haves much room for improvement.
Summary of the invention
For the problems referred to above, the invention provides a kind of jaw crusher abrasion-proof backing block, there is higher hardness, wear resistance, longer work-ing life.
In order to address the above problem, technical scheme provided by the invention is:
A kind of jaw crusher abrasion-proof backing block, each composition and weight percent thereof are: C:3.25-3.3%, Mn:3.4-3.6%, Si:0.4-0.6%, Cr:4.5-5.0%, Ba:0.8-1.0%, Al:0.01-0.04%, Mo:0.1-0.15%, S :≤0.02%, P :≤0.02%; Surplus is Fe.
Preferably, each composition and weight percent thereof are: C:3.26-3.3%, Mn:3.45-3.6%, Si:0.45-0.6%, Cr:4.6-5.0%, Ba:0.85-1.0%, Al:0.02-0.04%, Mo:0.12-0.15%, S :≤0.02%, P :≤0.02%; Surplus is Fe.
Preferably, each composition and weight percent thereof are: C:3.28%, Mn:3.48%, Si:0.48%, Cr:4.7%, Ba:0.95%, Al:0.03%, Mo:0.12%, S:0.02%, P:0.01%; Surplus is Fe.
Preferably, each composition and weight percent thereof are: C:3.26%, Mn:3.42%, Si:0.55%, Cr:4.8%, Ba:0.85%, Al:0.02%, Mo:0.11%, S:0.01%, P:0.02%; Surplus is Fe.
The preparation method of abrasion-proof backing block for jaw crusher,, comprise the following steps:
(1) melting; Add steel scrap, the pig iron to carry out melting, the each composition after melting will meet the requirements, and smelting temperature is: 1550-1560 DEG C;
(2) add silicon titanate innoculant to carry out inoculation: a point secondary carries out, and adds for the first time the silicon titanate innoculant of total amount 22-24%, particle diameter 1.8-2.2mm; In the time that pouring ladle into, 45-50% molten iron adds for the second time remaining silicon titanate innoculant, particle diameter 0.5-0.8mm;
(3) cast: temperature is 1450-1460 DEG C;
(4) be cooled to 30-35 DEG C;
(5) quench treatment: in the time that temperature is 240-250 DEG C, be incubated 1.4-1.6 hours; In the time that temperature is 440-460 DEG C, be incubated 1.8-2 hours again, then, in the time that temperature is 840-860 DEG C, be incubated 1.5-1.6 hours, and then be cooled to room temperature with the speed of 25 DEG C/h;
(6) temper: in the time that temperature is 230-240 DEG C, be incubated 1.5-1.6 hours, in the time that temperature is 350-360 DEG C, be incubated 2.3-2.4 hours, and then be cooled to room temperature with the speed of 18 DEG C/h.
Compared with prior art, beneficial effect of the present invention is:
Abrasion-proof backing block wear resistance of the present invention is good, and hardness is high, good toughness; Cr can strengthen matrix, improves hardening capacity, erosion resistance; Mn improves hardening capacity, the toughness of cast iron, and Al can improve the mechanical property of liner plate; The hardness of liner plate is 62-65HRC, and impelling strength is 6-7J/cm
2, long service life is 30000-34000 hours.
Embodiment
The present invention will be further described below:
Embodiment 1:
A kind of jaw crusher abrasion-proof backing block, each composition and weight percent thereof are: C:3.25%, Mn:3.6%, Si:0.4%, Cr:5.0%, Ba:0.8%, Al:0.04%, Mo:0.1%, S:0.02%, P:0.02%; Surplus is Fe.
The preparation method of abrasion-proof backing block for jaw crusher,, comprise the following steps:
(1) melting; Add steel scrap, the pig iron to carry out melting, the each composition after melting will meet the requirements, and smelting temperature is: 1550 DEG C;
(2) add silicon titanate innoculant to carry out inoculation: a point secondary carries out, and adds for the first time the silicon titanate innoculant of total amount 24%, particle diameter 1.8mm; In the time that pouring ladle into, 50% molten iron adds for the second time remaining silicon titanate innoculant, particle diameter 0.5mm;
(3) cast: temperature is 1460 DEG C;
(4) be cooled to 30 DEG C;
(5) quench treatment: in the time that temperature is 250 DEG C, be incubated 1.4 hours; In the time that temperature is 460 DEG C, be incubated 1.8 hours again, then, in the time that temperature is 860 DEG C, is incubated 1.5 hours, and then is cooled to room temperature with the speed of 25 DEG C/h;
(6) temper: in the time that temperature is 240 DEG C, be incubated 1.5 hours, in the time that temperature is 360 DEG C, is incubated 2.3 hours, and then is cooled to room temperature with the speed of 18 DEG C/h.
Embodiment 2:
A kind of jaw crusher abrasion-proof backing block, each composition and weight percent thereof are: C:3.3%, Mn:3.4%, Si:0.6%, Cr:4.5%, Ba:1.0%, Al:0.01%, Mo:0.15%, S:0.02%, P:0.01%; Surplus is Fe.
The preparation method of abrasion-proof backing block for jaw crusher,, comprise the following steps:
(1) melting; Add steel scrap, the pig iron to carry out melting, the each composition after melting will meet the requirements, and smelting temperature is: 1560 DEG C;
(2) add silicon titanate innoculant to carry out inoculation: a point secondary carries out, and adds for the first time the silicon titanate innoculant of total amount 22%, particle diameter 2.2mm; In the time that pouring ladle into, 45% molten iron adds for the second time remaining silicon titanate innoculant, particle diameter 00.8mm;
(3) cast: temperature is 1450 DEG C;
(4) be cooled to 35 DEG C;
(5) quench treatment: be 240 in temperature-DEG C time, be incubated 1.6 hours; Be 440 in temperature again-DEG C time, be incubated 2 hours, then, in the time that temperature is 840 DEG C, is incubated 1.6 hours, and then is cooled to room temperature with the speed of 25 DEG C/h;
(6) temper: in the time that temperature is 230 DEG C, be incubated 1.6 hours, in the time that temperature is 350 DEG C, is incubated 2.4 hours, and then is cooled to room temperature with the speed of 18 DEG C/h.
Embodiment 3:
A kind of jaw crusher abrasion-proof backing block, each composition and weight percent thereof are: C:3.25%, Mn:3.4%, Si:0.6%, Cr:5.0%, Ba:0.8%, Al:0.01%, Mo:0.15%, S:0.01%, P:0.02%; Surplus is Fe.
The preparation method of abrasion-proof backing block for jaw crusher,, comprise the following steps:
(1) melting; Add steel scrap, the pig iron to carry out melting, the each composition after melting will meet the requirements, and smelting temperature is: 1554 DEG C;
(2) add silicon titanate innoculant to carry out inoculation: a point secondary carries out, and adds for the first time the silicon titanate innoculant of total amount 23%, particle diameter 1.9mm; In the time that pouring ladle into, 47% molten iron adds for the second time remaining silicon titanate innoculant, particle diameter 0.7mm;
(3) cast: temperature is 1456 DEG C;
(4) be cooled to 32 DEG C;
(5) quench treatment: in the time that temperature is 245 DEG C, be incubated 1.45 hours; In the time that temperature is 445 DEG C, be incubated 1.85 hours again, then, in the time that temperature is 846 DEG C, is incubated 1.56 hours, and then is cooled to room temperature with the speed of 25 DEG C/h;
(6) temper: in the time that temperature is 232 DEG C, be incubated 1.58 hours, in the time that temperature is 356 DEG C, is incubated 2.35 hours, and then is cooled to room temperature with the speed of 18 DEG C/h.
Embodiment 4:
A kind of jaw crusher abrasion-proof backing block, each composition and weight percent thereof are: C:3.28%, Mn:3.48%, Si:0.48%, Cr:4.7%, Ba:0.95%, Al:0.03%, Mo:0.12%, S:0.02%, P:0.01%; Surplus is Fe.
The preparation method of abrasion-proof backing block for jaw crusher,, comprise the following steps:
(1) melting; Add steel scrap, the pig iron to carry out melting, the each composition after melting will meet the requirements, and smelting temperature is: 1556 DEG C;
(2) add silicon titanate innoculant to carry out inoculation: a point secondary carries out, and adds for the first time the silicon titanate innoculant of total amount 22%, particle diameter 2mm; In the time that pouring ladle into, 47% molten iron adds for the second time remaining silicon titanate innoculant, particle diameter 0.6mm;
(3) cast: temperature is 1454 DEG C;
(4) be cooled to 33 DEG C;
(5) quench treatment: in the time that temperature is 242 DEG C, be incubated 1.55 hours; In the time that temperature is 458 DEG C, be incubated 1.95 hours again, then, in the time that temperature is 845 DEG C, is incubated 1.5 hours, and then is cooled to room temperature with the speed of 25 DEG C/h;
(6) temper: in the time that temperature is 234 DEG C, be incubated 1.52 hours, in the time that temperature is 352 DEG C, is incubated 2.35 hours, and then is cooled to room temperature with the speed of 18 DEG C/h.
Embodiment 5:
A kind of jaw crusher abrasion-proof backing block, each composition and weight percent thereof are: C:3.26%, Mn:3.42%, Si:0.55%, Cr:4.8%, Ba:0.85%, Al:0.02%, Mo:0.11%, S:0.01%, P:0.02%; Surplus is Fe.
The preparation method of abrasion-proof backing block for jaw crusher,, comprise the following steps:
(1) melting; Add steel scrap, the pig iron to carry out melting, the each composition after melting will meet the requirements, and smelting temperature is: 1550 DEG C;
(2) add silicon titanate innoculant to carry out inoculation: a point secondary carries out, and adds for the first time the silicon titanate innoculant of total amount 22%, particle diameter 1.8mm; In the time that pouring ladle into, 45% molten iron adds for the second time remaining silicon titanate innoculant, particle diameter 0.5mm;
(3) cast: temperature is 1460 DEG C;
(4) be cooled to 35 DEG C;
(5) quench treatment: in the time that temperature is 250 DEG C, be incubated 1.6 hours; In the time that temperature is 440 DEG C, be incubated 1.8 hours again, then, in the time that temperature is 860 DEG C, is incubated 1.6 hours, and then is cooled to room temperature with the speed of 25 DEG C/h;
(6) temper: in the time that temperature is 240 DEG C, insulation 1.5-hour, in the time that temperature is 350 DEG C, is incubated 2.3 hours, and then is cooled to room temperature with the speed of 18 DEG C/h.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. a jaw crusher abrasion-proof backing block, is characterized in that: each composition and weight percent thereof are: C:3.25-3.3%, Mn:3.4-3.6%, Si:0.4-0.6%, Cr:4.5-5.0%, Ba:0.8-1.0%, Al:0.01-0.04%, Mo:0.1-0.15%, S :≤0.02%, P :≤0.02%; Surplus is Fe.
2. jaw crusher abrasion-proof backing block according to claim 1, is characterized in that: each composition and weight percent thereof are: C:3.26-3.3%, Mn:3.45-3.6%, Si:0.45-0.6%, Cr:4.6-5.0%, Ba:0.85-1.0%, Al:0.02-0.04%, Mo:0.12-0.15%, S :≤0.02%, P :≤0.02%; Surplus is Fe.
3. jaw crusher abrasion-proof backing block according to claim 1, is characterized in that: each composition and weight percent thereof are: C:3.28%, Mn:3.48%, Si:0.48%, Cr:4.7%, Ba:0.95%, Al:0.03%, Mo:0.12%, S:0.02%, P:0.01%; Surplus is Fe.
4. jaw crusher abrasion-proof backing block according to claim 1, is characterized in that: each composition and weight percent thereof are: C:3.26%, Mn:3.42%, Si:0.55%, Cr:4.8%, Ba:0.85%, Al:0.02%, Mo:0.11%, S:0.01%, P:0.02%; Surplus is Fe.
5. the preparation method of abrasion-proof backing block for jaw crusher according to claim 1 and 2, is characterized in that, comprises the following steps:
(1) melting; Add steel scrap, the pig iron to carry out melting, the each composition after melting will meet the requirements, and smelting temperature is: 1550-1560 DEG C;
(2) add silicon titanate innoculant to carry out inoculation: a point secondary carries out, and adds for the first time the silicon titanate innoculant of total amount 22-24%, particle diameter 1.8-2.2mm; In the time that pouring ladle into, 45-50% molten iron adds for the second time remaining silicon titanate innoculant, particle diameter 0.5-0.8mm;
(3) cast: temperature is 1450-1460 DEG C;
(4) be cooled to 30-35 DEG C;
(5) quench treatment: in the time that temperature is 240-250 DEG C, be incubated 1.4-1.6 hours; In the time that temperature is 440-460 DEG C, be incubated 1.8-2 hours again, then, in the time that temperature is 840-860 DEG C, be incubated 1.5-1.6 hours, and then be cooled to room temperature with the speed of 25 DEG C/h;
(6) temper: in the time that temperature is 230-240 DEG C, be incubated 1.5-1.6 hours, in the time that temperature is 350-360 DEG C, be incubated 2.3-2.4 hours, and then be cooled to room temperature with the speed of 18 DEG C/h.
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| CN201410330713.4A CN104109795B (en) | 2014-07-11 | 2014-07-11 | A kind of jaw crusher abrasion-proof backing block |
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| CN201410330713.4A CN104109795B (en) | 2014-07-11 | 2014-07-11 | A kind of jaw crusher abrasion-proof backing block |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1100150A (en) * | 1993-09-09 | 1995-03-15 | 株洲市机械工业研究所 | Impact fatigue-resistant wear-proof alloy cast iron |
| CN101748325A (en) * | 2009-12-30 | 2010-06-23 | 山东省汇丰机械集团总公司章丘市铸造厂 | High-strength wear-resisting ductile iron coiling block and manufacturing method thereof |
| CN103757516A (en) * | 2014-01-09 | 2014-04-30 | 北京工业大学 | Wear-resisting white cast iron and preparation method thereof |
-
2014
- 2014-07-11 CN CN201410330713.4A patent/CN104109795B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1100150A (en) * | 1993-09-09 | 1995-03-15 | 株洲市机械工业研究所 | Impact fatigue-resistant wear-proof alloy cast iron |
| CN101748325A (en) * | 2009-12-30 | 2010-06-23 | 山东省汇丰机械集团总公司章丘市铸造厂 | High-strength wear-resisting ductile iron coiling block and manufacturing method thereof |
| CN103757516A (en) * | 2014-01-09 | 2014-04-30 | 北京工业大学 | Wear-resisting white cast iron and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 肖志军: "铬含量及变质剂对铬锰抗磨铸铁组织和性能的影响", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑 》, no. 5, 15 November 2007 (2007-11-15) * |
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Inventor after: Yang Ming Inventor after: Li Hecheng Inventor before: Yang Ming |
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Effective date of registration: 20160722 Address after: 242300 Anhui economic and Technological Development Zone, Ningguo, Wang Wang Park S104 Road on the eastern side of the road on the south side of Industrial Road, No. two Applicant after: ANHUI SANFANG NEW MATERIAL TECHNOLOGY CO., LTD. Address before: 242300, Anhui province Xuancheng city Ningguo River Lek office pay Bay Applicant before: Anhui Sanfang Cast Grinding Materials Co., Ltd. |
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