CN105950963A - Crusher wear resisting hammerhead for high-toughness impact resisting cast-penetrated composite ore and production method thereof - Google Patents
Crusher wear resisting hammerhead for high-toughness impact resisting cast-penetrated composite ore and production method thereof Download PDFInfo
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- CN105950963A CN105950963A CN201610342454.6A CN201610342454A CN105950963A CN 105950963 A CN105950963 A CN 105950963A CN 201610342454 A CN201610342454 A CN 201610342454A CN 105950963 A CN105950963 A CN 105950963A
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- Prior art keywords
- casting
- crusher
- component
- infiltration layer
- impact resistance
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
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- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crushing And Grinding (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a crusher wear resisting hammerhead for a high-toughness impact resisting cast-penetrated composite ore. The crusher hammerhead consists of a basal body, and a cast-penetrated layer on the surface of the basal body, wherein the basal body consists of the following components in percentage by weight: 0.3-0.5% of C, 1.0-1.5% of Si, 0.5-1.0% of Mn, 14-16% of Cr, 0.8-1.0% of Mo, 0.5-1% of Cu, 0.05-0.1% of B, 1-2% of Al, S not more than 0.05%, P not more than 0.05%, and the balance of Fe. The crusher hammerhead is excellent in wear resistance, toughness and impact resistance, is few in casting defects, is high in appearance quality, and is excellent in durability.
Description
Technical field
The present invention relates to casting technology field, particularly relate to a kind of high tenacity impact resistance casting and ooze grandidierite Wear-proof hammer for crusher and production method thereof.
Background technology
Hammer mill is the common equipment in mine industry, wherein as the grinder hammerhead of broken various materials, can bear the extruding to surface of the biggest impulsive force and material, thus cause the biggest abrasion during broken material, reduce service life.Therefore, prepare grinder hammerhead and must take into account higher hardness and good toughness, thus improve the anti-wear performance of tup.
Casting ooze be the material such as ceramic particle or alloying pellet is mixed with binding agent, solvent after be fixed on mo(U)ld face; then casting of molten metal; molten metal infiltration micropore oozes material generation metallurgical interface with casting and reacts, and forms a kind of material treatment technology with particular tissues and performance.Owing to technology of infiltration casting can combine the obdurability of metal material with the strengthening high rigidity of composition, high rigidity, foundry goods overall performance is made to be improved, and technique is simple, with low cost, have been widely used in the castings production that the wear-resisting demand such as tup, grinding roller is high.But, casting infiltration production process there is also some defects, such as alloy powder and molten metal penetrating power poor, easily produce pore, slag inclusion and casting and ooze surface roughness thickness, these problems have impact on quality and the ruggedness of product.Therefore, in order to obtain having more preferable hardness, anti-wear performance and impact resistance mine crushing machine tup, not only needing to optimize the composition and performance of parent metal material, the quality improving casting infiltration layer is most important.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that grandidierite Wear-proof hammer for crusher and production method thereof are oozed in a kind of high tenacity impact resistance casting.
The present invention is achieved by the following technical solutions:
Grandidierite Wear-proof hammer for crusher is oozed in a kind of high tenacity impact resistance casting, and it is made up of the casting infiltration layer of matrix with matrix surface, and wherein matrix is made up of by weight percentage following each composition: C:0.3-0.5%, Si:1.0-1.5%, Mn:0.5-1.0%, Cr:14-16%, Mo:0.8-1.0%, Cu:0.5-1%, B:0.05-0.1%, Al:1-2%, S :≤0.05%, P :≤0.05%, surplus is Fe；
Wherein casting infiltration layer raw materials by weight is: 100-200 mesh ferrochrome powder 45-65%, 200-300 mesh tungsten carbide 6-10%, silicon carbide whisker 2-4%, silane coupler KH-560 3-5%, rosin glyceride 0.5-1%, corn starch 2-4%, Borax 3-5%, 20-30% hydrogen peroxide 3-5%, epoxychloropropane 0.1-0.2%, erucyl amide 0.3-0.5%, surplus is water.
The production method of grandidierite Wear-proof hammer for crusher is oozed in a kind of high tenacity impact resistance casting, comprises the following steps:
(1) by matrix material melting in electric induction furnace, melting down rear adjusting component, process is skimmed, deoxidation, obtains parent metal liquid, and smelting temperature is 1580-1620 DEG C；
(2) weigh casting infiltration layer raw material by weight, first corn starch, hydrogen peroxide, epoxychloropropane are added to the water 40-60 DEG C of stirring 1-2h, are subsequently adding under silane coupler KH-560 similarity condition stirring 0.5-1h, obtain component A；Processing 10-20min in 100-120 DEG C after uniform for remaining casting infiltration layer raw material mixed grinding, obtain B component, after component A being mixed with B component, ball milling is uniform, obtains casting and oozes slurry；
(3) mo(U)ld face is first cleaned, slurry is oozed in casting in (2) and is evenly applied to mo(U)ld face several times, coating thickness is 6-10mm, then 1-2h is processed in 320-350 DEG C, pour into a mould the parent metal liquid in (1) again, wherein the temperature of parent metal liquid controls, between 1550-1600 DEG C, to pour and be slowly cooled to room temperature, and i.e. obtains high tenacity impact resistance casting and ooze grandidierite Wear-proof hammer for crusher after conventional postprocessing working procedures.
The invention have the advantage that
The present invention utilizes Borax, corn starch is cross-linked by epoxychloropropane, by silane coupler modified rear and ferrochrome powder, tungsten carbide, material is oozed in the compound prepared casting of silicon carbide whisker powder body, can effectively promote the adhesiveness to casting mold, contribute to again the infiltration promoting substrate metal liquid to casting infiltration layer in casting process, permeance property, improve the bond strength of casting infiltration layer and metal base, and can effectively reduce the defects such as slag inclusion, formed firmly at metal base surface, thickness is suitable, toughness is high, composite bed is oozed in the casting that anti-wear performance is good, simultaneously by the adjustment of matrix composition with coordinate, the grinder hammerhead obtained is made both to have had the anti-wear performance of excellence, also have good toughness and impact resistance, casting flaw is few, presentation quality is high, ruggedness is good.
Detailed description of the invention
Grandidierite Wear-proof hammer for crusher is oozed in a kind of high tenacity impact resistance casting, and it is made up of the casting infiltration layer of matrix with matrix surface, and wherein matrix is made up of by weight percentage following each composition: C:0.3%, Si:1.0%, Mn:0.5%, Cr:14%, Mo:0.8%, Cu:0.5%, B:0.05%, Al:1%, S:0.04%, P:0.03%, surplus is Fe；
Wherein casting infiltration layer raw materials by weight is: 100 mesh ferrochrome powder 45%, 200 mesh tungsten carbides 6%, silicon carbide whisker 2%, silane coupler KH-560
3%, rosin glyceride 0.5%, corn starch 2%, Borax 3%, 20% hydrogen peroxide 3%, epoxychloropropane 0.1%, erucyl amide 0.3%, surplus is water.
The production method of grandidierite Wear-proof hammer for crusher is oozed in a kind of high tenacity impact resistance casting, comprises the following steps:
(1) by matrix material melting in electric induction furnace, melting down rear adjusting component, process is skimmed, deoxidation, obtains parent metal liquid, and smelting temperature is 1580 DEG C；
(2) weigh casting infiltration layer raw material by weight, first corn starch, hydrogen peroxide, epoxychloropropane are added to the water 40 DEG C of stirring 1h, are subsequently adding under silane coupler KH-560 similarity condition stirring 0.5h, obtain component A；Processing 10min in 100 DEG C after uniform for remaining casting infiltration layer raw material mixed grinding, obtain B component, after component A being mixed with B component, ball milling is uniform, obtains casting and oozes slurry；
(3) mo(U)ld face is first cleaned, slurry is oozed in casting in (2) and is evenly applied to mo(U)ld face several times, coating thickness is 6mm, then 1h is processed in 320 DEG C, pour into a mould the parent metal liquid in (1) again, wherein the temperature of parent metal liquid controls, at 1550 DEG C, to pour and be slowly cooled to room temperature, and i.e. obtains high tenacity impact resistance casting and ooze grandidierite Wear-proof hammer for crusher after conventional postprocessing working procedures.
The casting infiltration layer raw material ferrochrome powder chemical composition selected is as follows: C:0.06%, Cr:65.0%, Si:1.5%, P:0.04%, S:0.03%, surplus is Fe.
Above-mentioned prepared tup hardness is 64.5HRC, and impact flexibility is 125.4J/cm2。
Claims (2)
1. grandidierite Wear-proof hammer for crusher is oozed in a high tenacity impact resistance casting, it is characterised in that it is made up of the casting infiltration layer of matrix with matrix surface, described matrix is made up of by weight percentage following each composition: C:0.3-0.5%, Si:1.0-1.5%, Mn:0.5-1.0%, Cr:14-16%, Mo:0.8-1.0%, Cu:0.5-1%, B:0.05-0.1%, Al:1-2%, S :≤0.05%, P :≤0.05%, surplus is Fe；
Described casting infiltration layer raw materials by weight is: 100-200 mesh ferrochrome powder 45-65%, 200-300 mesh tungsten carbide 6-10%, silicon carbide whisker 2-4%, silane coupler KH-560 3-5%, rosin glyceride 0.5-1%, corn starch 2-4%, Borax 3-5%, 20-30% hydrogen peroxide 3-5%, epoxychloropropane 0.1-0.2%, erucyl amide 0.3-0.5%, surplus is water.
The production method of grandidierite Wear-proof hammer for crusher is oozed in a kind of high tenacity impact resistance the most according to claim 1 casting, it is characterised in that comprise the following steps:
(1) by matrix material melting in electric induction furnace, melting down rear adjusting component, process is skimmed, deoxidation, obtains parent metal liquid, and smelting temperature is 1580-1620 DEG C；
(2) weigh casting infiltration layer raw material by weight, first corn starch, hydrogen peroxide, epoxychloropropane are added to the water 40-60 DEG C of stirring 1-2h, are subsequently adding under silane coupler KH-560 similarity condition stirring 0.5-1h, obtain component A；Processing 10-20min in 100-120 DEG C after uniform for remaining casting infiltration layer raw material mixed grinding, obtain B component, after component A being mixed with B component, ball milling is uniform, obtains casting and oozes slurry；
(3) mo(U)ld face is first cleaned, slurry is oozed in casting in (2) and is evenly applied to mo(U)ld face several times, coating thickness is 6-10mm, then 1-2h is processed in 320-350 DEG C, pour into a mould the parent metal liquid in (1) again, wherein the temperature of parent metal liquid controls, between 1550-1600 DEG C, to pour and be slowly cooled to room temperature, and i.e. obtains high tenacity impact resistance casting and ooze grandidierite Wear-proof hammer for crusher after conventional postprocessing working procedures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342454.6A CN105950963A (en) | 2016-05-23 | 2016-05-23 | Crusher wear resisting hammerhead for high-toughness impact resisting cast-penetrated composite ore and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342454.6A CN105950963A (en) | 2016-05-23 | 2016-05-23 | Crusher wear resisting hammerhead for high-toughness impact resisting cast-penetrated composite ore and production method thereof |
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| CN105950963A true CN105950963A (en) | 2016-09-21 |
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| CN201610342454.6A Pending CN105950963A (en) | 2016-05-23 | 2016-05-23 | Crusher wear resisting hammerhead for high-toughness impact resisting cast-penetrated composite ore and production method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931573A (en) * | 2017-12-14 | 2018-04-20 | 桂林中铸机械科技有限公司 | A kind of method that compound diamond dust prepares high-intensity and high-tenacity high abrasion casting |
| CN110090917A (en) * | 2019-04-15 | 2019-08-06 | 河北科技大学 | A kind of iron base composite material method for casting and seeping coating, preparation method and casting impregnation coating using its preparation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314145A (en) * | 2008-06-02 | 2008-12-03 | 淮阴工学院 | Grinder hammerhead with ceramic wearing coat and casting method thereof |
| CN104559832A (en) * | 2013-10-25 | 2015-04-29 | 林贤文 | CMC starch glue |
| CN104550932A (en) * | 2014-12-25 | 2015-04-29 | 铜陵市经纬流体科技有限公司 | Iron-based-fused alumina zirconia powder metallurgy valve material and preparation method thereof |
| CN105296872A (en) * | 2015-11-13 | 2016-02-03 | 丹阳嘉伟耐磨材料科技有限公司 | Bimetal composite high-tenacity, high-boron and high-chrome steel hammer and preparing method thereof |
-
2016
- 2016-05-23 CN CN201610342454.6A patent/CN105950963A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314145A (en) * | 2008-06-02 | 2008-12-03 | 淮阴工学院 | Grinder hammerhead with ceramic wearing coat and casting method thereof |
| CN104559832A (en) * | 2013-10-25 | 2015-04-29 | 林贤文 | CMC starch glue |
| CN104550932A (en) * | 2014-12-25 | 2015-04-29 | 铜陵市经纬流体科技有限公司 | Iron-based-fused alumina zirconia powder metallurgy valve material and preparation method thereof |
| CN105296872A (en) * | 2015-11-13 | 2016-02-03 | 丹阳嘉伟耐磨材料科技有限公司 | Bimetal composite high-tenacity, high-boron and high-chrome steel hammer and preparing method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931573A (en) * | 2017-12-14 | 2018-04-20 | 桂林中铸机械科技有限公司 | A kind of method that compound diamond dust prepares high-intensity and high-tenacity high abrasion casting |
| CN107931573B (en) * | 2017-12-14 | 2019-10-01 | 桂林中铸机械科技有限公司 | A kind of method that compound diamond dust prepares high-intensity and high-tenacity high abrasion casting |
| CN110090917A (en) * | 2019-04-15 | 2019-08-06 | 河北科技大学 | A kind of iron base composite material method for casting and seeping coating, preparation method and casting impregnation coating using its preparation |
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Application publication date: 20160921 |