CN105821328A - Large crusher abrasion-resistant hammer and preparation method thereof - Google Patents
Large crusher abrasion-resistant hammer and preparation method thereof Download PDFInfo
- Publication number
- CN105821328A CN105821328A CN201610286733.5A CN201610286733A CN105821328A CN 105821328 A CN105821328 A CN 105821328A CN 201610286733 A CN201610286733 A CN 201610286733A CN 105821328 A CN105821328 A CN 105821328A
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- CN
- China
- Prior art keywords
- hammer head
- resistant hammer
- large crusher
- crusher wear
- preparation
- Prior art date
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Classifications
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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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0006—Adding metallic additives
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
- C22C33/06—Making ferrous alloys by melting using master alloys
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
Abstract
The invention provides a large crusher abrasion-resistant hammer and a preparation method thereof. Elements in raw materials include, by weight, 1.9-2.7% of C, 7-9% of Cr, 0.7-1.1% of Mn, 0.4-0.7% of Mu, 0.3-0.5% of Cu, 0.9-1.3% of Ni, 0.2-0.4% of Si, 0.1-0.3% of Ti, 0.2-0.4% of Be, 0.4-0.7% of rare earth and the balance Fe and impurity components not capable of being removed. The abrasion resistance of the large crusher abrasion-resistant hammer can be further improved through alloy smelting, modification treatment, casting, quenching and tempering, the improvement of the ductility of the hammer is increased, and production and processing treatment and industrialized production and processing are convenient.
Description
Technical field
The present invention relates to high-abrasive material field, be specifically related to a kind of Large Crusher wear-resistant hammer head and
Its preparation method.
Background technology
Along with present industrialization, high-abrasive material is more extensive in the most industrial application,
Especially for present wear-resistant process parts, while production and processing, need substantial amounts of practicality
Produce, the wear-resisting requirement of equipment and structural strength are all proposed the index of Chinese medicine.
Grinder hammerhead is one of kernel component of disintegrating machine, and tup is transported in the high speed of disintegrating machine
Material is hit in reincarnation circle, goes the most at last merely to pulverize into suitable granular size.Crushing on market
Machine tup can be divided into two kinds according to manufacturing process: casts and forges, but their wear-resisting journey
Degree is different.Due to broken material, head needs good wearability and shank needs
Sufficiently ductile, generally add the materials such as rich chromium cast iron bimetallic is compound with steel alloy, potassium steel, cast steel
Material forging or casting method one-shot forming.
But the grinder hammerhead structural strength that currently the majority uses is inadequate, and one-shot forming is relatively
Difficult so that its hardness and anti-wear performance reduce, and affect mechanical performance.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of Large Crusher wear-resistant hammer head and
Its preparation method so that the structural strength of wear-resistant hammer head further enhances, and add its extension
Property lifting, it is simple to production and processing process and industrialized production and processing.
For realizing object above, the present invention is achieved by the following technical programs:
A kind of Large Crusher wear-resistant hammer head, in raw material, the components by weight percent of each element is: C
1.9-2.7%, Cr 7-9%, Mn 0.7-1.1%, Mu 0.4-0.7%, Cu 0.3-0.5%, Ni
0.9-1.3%, Si 0.2-0.4%, Ti 0.1-0.3%, Be0.2-0.4%, rare earth 0.4-0.7% and
The Fe of surplus and the most removable impurity component.
Preferably, in raw material, the components by weight percent of each element is: C 2.0-2.4%, Cr 8-9%, Mn
0.8-1.0%, Mu 0.5-0.7%, Cu 0.4-0.5%, Ni 0.9-1.1%, Si 0.3-0.4%, Ti
0.1-0.2%, Be0.3-0.4%, rare earth 0.5-0.6% and the Fe of surplus and the most removable impurity
Composition.
Preferably, in raw material, the components by weight percent of each element is: C 2.1%, Cr 8%, Mn 0.9%,
Mu 0.7%, Cu 0.4%, Ni 1.0%, Si 0.3%, Ti 0.3%, Be0.4%, rare earth 0.6%
And the Fe of surplus and the most removable impurity component.
The preparation method of described Large Crusher wear-resistant hammer head, operating procedure is as follows:
1) alloy melting: raw material ferrochrome, ferromanganese, ferronickel and the scrap iron containing each element are placed
In high temperature furnace, carry out adding hot smelting process；
2) Metamorphism treatment: add in high temperature furnace by the components by weight percent consumption of rare earth composition, and fill
Divide stirring, control temperature and be 1530-1612 DEG C, static 30-40 minute；
3) casting: under negative pressure the molten steel of melting is upside down in coagulation forming in mold slots；
4) quenching: the Large Crusher wear-resistant hammer head after molding is heated in high temperature resistance furnace,
Control temperature and be 800-870 DEG C, in oiliness of quenching rapidly quenching medium；
5) tempering: the Large Crusher wear-resistant hammer head after quenching is carried out temper, controls temperature
Degree is for 120-170 DEG C.
Preferably, described step 4) hardening step carries out 2 times.
Preferably, described step 4) hardening step be control temperature retention time be 3-5 hour.
The invention provides a kind of Large Crusher wear-resistant hammer head and preparation method thereof, in the feed
The high chrome contents added can the effectively quenching degree of lifting crusher wear-resistant hammer head and wearability,
Can also improve resistance to corrosion and the antioxidation of steel, the content of titanium can refine steel simultaneously
Grain structure, thus improve intensity and the toughness of steel, it is adaptable to large-scale Wear-proof hammer for crusher
Preparation.The practicality of nickel the most also can improve intensity and the toughness of steel；The interpolation of rare earth is equally
Change the toughness of steel construction, cold machining process and the lifting of wearability.
And provided by the present invention alloy melting, Metamorphism treatment, cast, quench, be tempered,
Operation preparation technology can be greatly simplified, promote the mechanical performance of Large Crusher wear-resistant hammer head,
Improving production efficiency, can carry out further genralrlization and application.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below will knot
Close embodiments of the invention, the technical scheme in the embodiment of the present invention is carried out clearly and completely
Describe.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
Embodiment 1:
A kind of Large Crusher wear-resistant hammer head, in raw material, the components by weight percent of each element is: C 2.1%,
Cr 8%, Mn 0.9%, Mu 0.7%, Cu 0.4%, Ni 1.0%, Si 0.3%, Ti 0.3%,
Be 0.4%, rare earth 0.6% and the Fe of surplus and the most removable impurity component.
Embodiment 2:
A kind of Large Crusher wear-resistant hammer head, in raw material, the components by weight percent of each element is: C1.9%,
Cr 7%, Mn 0.8%, Mu 0.4%, Cu 0.3%, Ni 0.9%, Si 0.4%, Ti 0.1%,
Be 0.2%, rare earth 0.6% and the Fe of surplus and the most removable impurity component.
Embodiment 3:
A kind of Large Crusher wear-resistant hammer head, in raw material, the components by weight percent of each element is: C 2.4%,
Cr 8%, Mn 1.0%, Mu 0.7%, Cu 0.5%, Ni 1.1%, Si 0.4%, Ti 0.3%,
Be 0.3%, rare earth 0.6% and the Fe of surplus and the most removable impurity component.
Embodiment 4:
A kind of Large Crusher wear-resistant hammer head, in raw material, the components by weight percent of each element is: C 2.7%,
Cr 9%, Mn 1.1%, Mu 0.5%, Cu 0.4%, Ni 1.3%, Si 0.2%, Ti 0.1%,
Be 0.4%, rare earth 0.6% and the Fe of surplus and the most removable impurity component.
Embodiment 5:
A kind of Large Crusher wear-resistant hammer head, in raw material, the components by weight percent of each element is: C 2.0%,
Cr 7%, Mn 0.7%, Mu 0.6%, Cu 0.3%, Ni 1.2%, Si 0.2%, Ti 0.2%,
Be 0.3%, rare earth 0.6% and the Fe of surplus and the most removable impurity component.
The preparation method of Large Crusher wear-resistant hammer head, operating procedure is as follows:
1) alloy melting: raw material ferrochrome, ferromanganese, ferronickel and the scrap iron containing each element are placed
In high temperature furnace, carry out adding hot smelting process；
2) Metamorphism treatment: add in high temperature furnace by the components by weight percent consumption of rare earth composition, and fill
Divide stirring, control temperature and be 1530-1612 DEG C, static 30-40 minute；
3) casting: under negative pressure the molten steel of melting is upside down in coagulation forming in mold slots；
4) quenching: the Large Crusher wear-resistant hammer head after molding is heated in high temperature resistance furnace,
Control temperature and be 800-870 DEG C, in oiliness of quenching rapidly quenching medium；
5) tempering: the Large Crusher wear-resistant hammer head after quenching is carried out temper, controls temperature
Degree is for 120-170 DEG C.
Step 4) hardening step carries out 2 times.
Step 4) hardening step be control temperature retention time be 3-5 hour.
Above example only in order to technical scheme to be described, is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, those of ordinary skill in the art
It is understood that the technical scheme described in foregoing embodiments still can be modified by it,
Or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, not
The essence making appropriate technical solution departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a Large Crusher wear-resistant hammer head, it is characterised in that the weight of each element in raw material
Component is: C 1.9-2.7%, Cr 7-9%, Mn 0.7-1.1%, Mu 0.4-0.7%, Cu 0.3-0.5%,
Ni 0.9-1.3%, Si 0.2-0.4%, Ti 0.1-0.3%, Be 0.2-0.4%, rare earth 0.4-0.7% with
And the Fe of surplus and the most removable impurity component.
2. Large Crusher wear-resistant hammer head as claimed in claim 1, it is characterised in that raw material
In the components by weight percent of each element be: C 2.0-2.4%, Cr 8-9%, Mn 0.8-1.0%, Mu
0.5-0.7%, Cu 0.4-0.5%, Ni 0.9-1.1%, Si 0.3-0.4%, Ti 0.1-0.2%, Be
0.3-0.4%, rare earth 0.5-0.6% and the Fe of surplus and the most removable impurity component.
3. Large Crusher wear-resistant hammer head as claimed in claim 2, it is characterised in that raw material
In the components by weight percent of each element be: C 2.1%, Cr 8%, Mn 0.9%, Mu 0.7%, Cu 0.4%,
Ni 1.0%, Si 0.3%, Ti 0.3%, Be 0.4%, rare earth 0.6% and the Fe of surplus and not
Removable impurity component.
4. the preparation method of the Large Crusher wear-resistant hammer head as described in any one of claim 1-3,
It is characterized in that, operating procedure is as follows:
1) alloy melting: by raw material ferrochrome, ferromanganese, ferronickel and containing each unit in claim 1
The scrap iron of element is placed in high temperature furnace and carries out adding hot smelting process；
2) Metamorphism treatment: in high temperature furnace
3) casting: under negative pressure the molten steel of melting is upside down in coagulation forming in mold slots；
4) quenching: the Large Crusher wear-resistant hammer head after molding is heated in high temperature resistance furnace,
Control temperature and be 800-870 DEG C, in oiliness of quenching rapidly quenching medium；
5) tempering: the Large Crusher wear-resistant hammer head after quenching is carried out temper, controls temperature
Degree, for 120-170 DEG C, to obtain final product.
5. the preparation method of Large Crusher wear-resistant hammer head as claimed in claim 4, its feature
It being, described step 4) hardening step carries out 2 times.
6. the preparation method of Large Crusher wear-resistant hammer head as claimed in claim 1, its feature
Be, described step 4) hardening step be control temperature retention time be 3-5 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610286733.5A CN105821328A (en) | 2016-04-28 | 2016-04-28 | Large crusher abrasion-resistant hammer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610286733.5A CN105821328A (en) | 2016-04-28 | 2016-04-28 | Large crusher abrasion-resistant hammer and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105821328A true CN105821328A (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610286733.5A Pending CN105821328A (en) | 2016-04-28 | 2016-04-28 | Large crusher abrasion-resistant hammer and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278782A (en) * | 2021-05-24 | 2021-08-20 | 江苏科盈选煤技术有限公司 | Heat treatment process for high-performance hammer of crusher |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55138059A (en) * | 1979-04-14 | 1980-10-28 | Daido Steel Co Ltd | High manganese steel having good wear resistance to earth and sand |
| JPS5858254A (en) * | 1981-09-30 | 1983-04-06 | Daido Steel Co Ltd | Alloy steel |
| CN1676652A (en) * | 2005-04-01 | 2005-10-05 | 攀枝花市白云铸造有限责任公司 | Wear-resistant hammer head and its manufacturing process |
| CN102747304A (en) * | 2012-06-23 | 2012-10-24 | 昆明嘉和科技股份有限公司 | Corrosion-resistant abrasion-resistant alloy material and preparation method thereof |
| CN104278217A (en) * | 2014-07-22 | 2015-01-14 | 安徽省三方耐磨股份有限公司 | Medium-chrome alloy steel for lining plate of ball mill |
-
2016
- 2016-04-28 CN CN201610286733.5A patent/CN105821328A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55138059A (en) * | 1979-04-14 | 1980-10-28 | Daido Steel Co Ltd | High manganese steel having good wear resistance to earth and sand |
| JPS5858254A (en) * | 1981-09-30 | 1983-04-06 | Daido Steel Co Ltd | Alloy steel |
| CN1676652A (en) * | 2005-04-01 | 2005-10-05 | 攀枝花市白云铸造有限责任公司 | Wear-resistant hammer head and its manufacturing process |
| CN102747304A (en) * | 2012-06-23 | 2012-10-24 | 昆明嘉和科技股份有限公司 | Corrosion-resistant abrasion-resistant alloy material and preparation method thereof |
| CN104278217A (en) * | 2014-07-22 | 2015-01-14 | 安徽省三方耐磨股份有限公司 | Medium-chrome alloy steel for lining plate of ball mill |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278782A (en) * | 2021-05-24 | 2021-08-20 | 江苏科盈选煤技术有限公司 | Heat treatment process for high-performance hammer of crusher |
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Application publication date: 20160803 |