CN106048458A - Crusher abrasion-resistant hammer head for copper oxide nanocrystalline modified casting infiltration compound ore and production method of crusher abrasion-resistant hammer head - Google Patents

Crusher abrasion-resistant hammer head for copper oxide nanocrystalline modified casting infiltration compound ore and production method of crusher abrasion-resistant hammer head Download PDF

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Publication number
CN106048458A
CN106048458A CN201610342437.2A CN201610342437A CN106048458A CN 106048458 A CN106048458 A CN 106048458A CN 201610342437 A CN201610342437 A CN 201610342437A CN 106048458 A CN106048458 A CN 106048458A
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China
Prior art keywords
casting
copper oxide
crusher
hammer head
component
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Pending
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CN201610342437.2A
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Chinese (zh)
Inventor
刘奎新
刘瑞
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ANHUI XINHONG MACHINERY CO LTD
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ANHUI XINHONG MACHINERY CO LTD
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Priority to CN201610342437.2A priority Critical patent/CN106048458A/en
Publication of CN106048458A publication Critical patent/CN106048458A/en
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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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/28—Shape or construction of beater elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
    • B22D23/04—Casting by dipping
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • 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
    • C22C38/18—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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The invention discloses a crusher abrasion-resistant hammer head for copper oxide nanocrystalline modified casting infiltration compound ore. The crusher abrasion-resistant hammer head comprises a substrate and a casting infiltration layer on the surface of the substrate. The substrate comprises the following components of, by weight, 0.3%-0.5% of C, 0.5%-1.0% of Si, 0.5%-1.0% of Mn, 16%-18% of Cr, 0.8%-1.0% of Mo, 0.5%-1% of Cu, 0.1%-0.2% of Ti, 0.3%-0.5% of Zn, 0.1%-0.2% of Sn, 0-0.05% of S, 0-0.05% of P, and the balance Fe. The crusher hammer head has excellent abrasion resistance and crack resistance, good high temperature resistance, high hardness and few casting defects, and is high in appearance quality and good in durability.

Description

Grandidierite Wear-proof hammer for crusher and life thereof are oozed in a kind of copper oxide nanocrystal modification casting Product method
Technical field
The present invention relates to casting technology field, particularly relate to a kind of copper oxide nanocrystal modification casting and ooze grandidierite disintegrating machine Wear-resistant hammer head and production method thereof.
Background technology
Hammer mill is the common equipment in mine industry, wherein as the grinder hammerhead of broken various materials, The extruding to surface of the biggest impulsive force and material can be born during broken material, thus cause the biggest abrasion, subtract Few service life.Therefore, prepare grinder hammerhead and must take into account higher hardness and good toughness, thus improve hammer The anti-wear performance of head.
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, so Rear casting of molten metal, molten metal infiltration micropore oozes material generation metallurgical interface with casting and reacts, formed and have particular tissues and performance A kind of material treatment technology.Owing to technology of infiltration casting can be the obdurability of metal material and the strengthening high rigidity of composition, Gao Gang Degree combines, and makes foundry goods overall performance be improved, and technique is simple, with low cost, has been widely used for tup, grinding roller In the castings production high etc. wear-resisting demand.But, casting infiltration production process there is also some defects, such as alloy powder and gold Belonging to liquid penetrating power poor, easily produce pore, slag inclusion and casting and ooze surface roughness thickness, these problems have impact on the quality of product And ruggedness.Therefore, in order to obtain that there is more preferable hardness, anti-wear performance and impact resistance mine crushing machine tup, not only need The composition and performance of parent metal material to be optimized, 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 a kind of copper oxide nanocrystal modification casting is oozed compound Mine crushing machine wear-resistant hammer head and production method thereof.
The present invention is achieved by the following technical solutions:
Grandidierite Wear-proof hammer for crusher is oozed in a kind of copper oxide nanocrystal modification casting, and it is to be oozed by the casting of matrix with matrix surface Layer composition, wherein matrix is made up of by weight percentage following each composition: C:0.3-0.5%, Si:0.5-1.0%, Mn:0.5- 1.0%, Cr:16-18%, Mo:0.8-1.0%, Cu:0.5-1%, Ti:0.1-0.2%, Zn:0.3-0.5%, Sn:0.1-0.2%, S :≤ 0.05%, P :≤0.05%, surplus is Fe；
Wherein casting infiltration layer raw materials by weight is: 100-200 mesh ferrochrome powder 40-60%, 200-300 mesh cordierite powder 8- 12%, copper oxide nanocrystal 3-5%, silane coupler KH-560 3-5%, corn starch 2-4%, Borax 3-5%, 200-300 mesh water Magnesite powder 0.5-1%, 20-30% hydrogen peroxide 3-5%, epoxychloropropane 0.1-0.2%, Tissuemat E 0.3-0.5%, surplus is water.
The production method of grandidierite Wear-proof hammer for crusher is oozed in a kind of copper oxide nanocrystal modification casting, including following step Rapid:
(1) by matrix material melting in electric induction furnace, melting down rear adjusting component, process is skimmed, deoxidation, obtains parent metal liquid, 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, is subsequently adding under silane coupler KH-560 similarity condition stirring 0.5-1h, obtains component A；Remaining casting infiltration layer raw material is mixed Closing and process 10-20min in 100-120 DEG C after grinding uniformly, obtain B component, after component A being mixed with B component, ball milling is uniform, obtains casting Ooze slurry；
(3) first cleaning mo(U)ld face, the casting in (2) is oozed slurry and is evenly applied to mo(U)ld face several times, coating thickness is 6- 10mm, then processes 1-2h in 320-350 DEG C, then pours into a mould the parent metal liquid in (1), and wherein the temperature of parent metal liquid controls Between 1550-1600 DEG C, pour and be slowly cooled to room temperature, after conventional postprocessing working procedures, i.e. obtain copper oxide nanocrystal change Property casting ooze grandidierite Wear-proof hammer for crusher.
The invention have the advantage that
The present invention utilizes Borax, epoxychloropropane to cross-link corn starch, by after silane coupler modified and ferrochrome powder, Material is oozed in the compound prepared casting of cordierite powder, copper oxide nanocrystal powder body, can effectively promote the adhesiveness to casting mold, contribute to again Promote substrate metal liquid in casting process to the casting infiltration of infiltration layer, permeance property, improve the combination of casting infiltration layer and metal base Intensity and the uniformity of casting infiltration layer, and can effectively reduce the defects such as slag inclusion, is formed firmly at metal base surface, uniformity Composite bed is oozed in the casting good, thickness is suitable, high temperature resistant, anti-wear performance is good, simultaneously by the adjustment of matrix composition with coordinate so as to get Grinder hammerhead both there is the anti-wear performance of excellence, cracking resistance, the best resistance to elevated temperatures, hardness is high, casting lacks Falling into few, presentation quality is high, and ruggedness is good.
Detailed description of the invention
Grandidierite Wear-proof hammer for crusher is oozed in a kind of copper oxide nanocrystal modification casting, and it is by matrix and matrix surface Casting infiltration layer composition, wherein matrix is made up of by weight percentage following each composition: C:0.3%, Si:0.5%, Mn:0.5%, Cr: 16%, Mo:0.8%, Cu:0.5%, Ti:0.1%, Zn:0.3%, Sn:0.1%, S:0.03%, P:0.03%, surplus is Fe；
Wherein casting infiltration layer raw materials by weight is: 100 mesh ferrochrome powder 40%, 200 mesh cordierite powder 8%, copper oxide nanocrystal 3%, silane coupler KH-560 3%, corn starch 2%, Borax 3%, 200 mesh brucite powders 0.5%, 20% hydrogen peroxide 3%, epoxy chlorine Propane 0.1%, Tissuemat E 0.3%, surplus is water.
The production method of grandidierite Wear-proof hammer for crusher is oozed in a kind of copper oxide nanocrystal modification casting, including following step Rapid:
(1) by matrix material melting in electric induction furnace, melting down rear adjusting component, process is skimmed, deoxidation, obtains parent metal liquid, Smelting temperature is 1580 DEG C；
(2) weigh casting infiltration layer raw material by weight, first corn starch, hydrogen peroxide, epoxychloropropane be added to the water 40 DEG C of stirring 1h, It is subsequently adding under silane coupler KH-560 similarity condition stirring 0.5h, obtains component A；By equal for remaining casting infiltration layer raw material mixed grinding Processing 10min in 100 DEG C after even, obtain B component, after component A being mixed with B component, ball milling is uniform, obtains casting and oozes slurry；
(3) first cleaning mo(U)ld face, the casting in (2) is oozed slurry and is evenly applied to mo(U)ld face several times, coating thickness is 6mm, then processes 1h in 320 DEG C, then pours into a mould the parent metal liquid in (1), and wherein the temperature of parent metal liquid controls 1550 Between DEG C, pour and be slowly cooled to room temperature, after conventional postprocessing working procedures, i.e. obtain copper oxide nanocrystal modification casting ooze compound Mine crushing machine wear-resistant hammer head.
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 63.9HRC, and impact flexibility is 108.7J/cm2。

Claims (2)

1. grandidierite Wear-proof hammer for crusher is oozed in copper oxide nanocrystal modification casting, it is characterised in that its be by matrix with The casting infiltration layer composition of matrix surface, described matrix is made up of by weight percentage following each composition: C:0.3-0.5%, Si: 0.5-1.0%, Mn:0.5-1.0%, Cr:16-18%, Mo:0.8-1.0%, Cu:0.5-1%, Ti:0.1-0.2%, Zn:0.3-0.5%, Sn:0.1-0.2%, S :≤0.05%, P :≤0.05%, surplus is Fe；
Described casting infiltration layer raw materials by weight is: 100-200 mesh ferrochrome powder 40-60%, 200-300 mesh cordierite powder 8- 12%, copper oxide nanocrystal 3-5%, silane coupler KH-560 3-5%, corn starch 2-4%, Borax 3-5%, 200-300 mesh water Magnesite powder 0.5-1%, 20-30% hydrogen peroxide 3-5%, epoxychloropropane 0.1-0.2%, Tissuemat E 0.3-0.5%, surplus is water.
The production of grandidierite Wear-proof hammer for crusher is oozed in a kind of copper oxide nanocrystal modification the most according to claim 1 casting Method, 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, 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, is subsequently adding under silane coupler KH-560 similarity condition stirring 0.5-1h, obtains component A；Remaining casting infiltration layer raw material is mixed Closing and process 10-20min in 100-120 DEG C after grinding uniformly, obtain B component, after component A being mixed with B component, ball milling is uniform, obtains casting Ooze slurry；
(3) first cleaning mo(U)ld face, the casting in (2) is oozed slurry and is evenly applied to mo(U)ld face several times, coating thickness is 6- 10mm, then processes 1-2h in 320-350 DEG C, then pours into a mould the parent metal liquid in (1), and wherein the temperature of parent metal liquid controls Between 1550-1600 DEG C, pour and be slowly cooled to room temperature, after conventional postprocessing working procedures, i.e. obtain copper oxide nanocrystal change Property casting ooze grandidierite Wear-proof hammer for crusher.
CN201610342437.2A 2016-05-23 2016-05-23 Crusher abrasion-resistant hammer head for copper oxide nanocrystalline modified casting infiltration compound ore and production method of crusher abrasion-resistant hammer head Pending CN106048458A (en)

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CN201610342437.2A CN106048458A (en) 2016-05-23 2016-05-23 Crusher abrasion-resistant hammer head for copper oxide nanocrystalline modified casting infiltration compound ore and production method of crusher abrasion-resistant hammer head

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1408494A (en) * 2002-08-28 2003-04-09 丁刚 Composite material producing extruding-casting, permeating and sintering process and equipment
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1408494A (en) * 2002-08-28 2003-04-09 丁刚 Composite material producing extruding-casting, permeating and sintering process and equipment
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

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