CN106862533A - A kind of high rigidity impact resistance Cast-in Bonding bar and its preparation technology - Google Patents
A kind of high rigidity impact resistance Cast-in Bonding bar and its preparation technology Download PDFInfo
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- CN106862533A CN106862533A CN201611260444.4A CN201611260444A CN106862533A CN 106862533 A CN106862533 A CN 106862533A CN 201611260444 A CN201611260444 A CN 201611260444A CN 106862533 A CN106862533 A CN 106862533A
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- 238000005516 engineering process Methods 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 61
- 229910052751 metal Inorganic materials 0.000 claims abstract description 61
- 239000000203 mixture Substances 0.000 claims abstract description 30
- 239000000126 substance Substances 0.000 claims abstract description 13
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 12
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 14
- 238000003723 Smelting Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 2
- 238000005266 casting Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/10—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on titanium carbide
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/08—Making cast-iron alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/06—Cast-iron alloys containing chromium
- C22C37/08—Cast-iron alloys containing chromium with nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention discloses a kind of high rigidity impact resistance Cast-in Bonding bar, including：Body and multiple metal bar, each metal bar equably castingin on the working face of the body；The body includes the chemical composition of following weight/mass percentage composition：C accounts for 2.7 3.1%, and Si accounts for 0.35 0.7%, and Mn accounts for 0.5 0.9%, and Cr accounts for 19.0 23.0%, and Mo accounts for 1.2 2.0%, and Ni accounts for 0.8 1.2%, and P accounts for≤and 0.1%, S accounts for≤0.06%, and remaining is Fe；The metal bar includes the chemical composition of following weight/mass percentage composition：TiC accounts for 36 44%, Fe accounts for 28 36%, Ni accounts for 2.8 3.6%, Mo accounts for 1.2 2.0%, and Mn accounts for 11.2 12.0%, and Cr accounts for 11.2 12.0%, its preparation technology is to carry out melting, castingin, Technology for Heating Processing successively, through the above way, the present invention can greatly improve hardness, impact resistance and the anti-wear performance of bar, it is ensured that bar safety coefficient in use.
Description
Technical field
The present invention relates to a kind of alloy casting field, more particularly to a kind of high rigidity impact resistance Cast-in Bonding bar and its system
Standby technique.
Background technology
Disintegrating machine in industrial departments such as cement, chemical industry, electric power, metallurgy suitable for crushing medium-hard material, such as lime
Broken and in small, broken bits operation in the materials such as stone, slag, coke, coal, wherein, bar is exactly the important composition part of disintegrating machine, but together
When be also main consumable accessory in disintegrating machine, the quality of bar directly affects the operating efficiency of disintegrating machine, in the market
Bar uses forging technology mostly, causes the wearability of its parent, hardness performance inadequate, it is more difficult to meet present operation need
Ask.
The content of the invention
The present invention solves the technical problem of a kind of high rigidity impact resistance Cast-in Bonding bar of offer and its preparation work
Skill, can greatly improve hardness, impact resistance and the anti-wear performance of bar, it is ensured that bar safety coefficient in use.
In order to solve the above technical problems, one aspect of the present invention is：A kind of high rigidity impact resistance edge is provided
Casting composite plate hammer, including：Body and multiple metal bar, each metal bar equably working face of the castingin in the body
On；
The body includes the chemical composition of following weight/mass percentage composition：
C accounts for 2.7-3.1%, and Si accounts for 0.35-0.7%, and Mn accounts for 0.5-0.9%, and Cr accounts for 19.0-23.0%, and Mo accounts for 1.2-2.0%, and Ni is accounted for
0.8-1.2%, P account for≤and 0.1%, S accounts for≤0.06%, and remaining is Fe；
The metal bar includes the chemical composition of following weight/mass percentage composition：
TiC accounts for 36-44%, and Fe accounts for 28-36%, and Ni accounts for 2.8-3.6%, and Mo accounts for 1.2-2.0%, and Mn accounts for 11.2-12.0%, and Cr accounts for 11.2-
12.0%。
In a preferred embodiment of the present invention, the Mn in the metal bar is identical with the content of Cr.
Present invention also offers a kind of preparation technology of high rigidity impact resistance Cast-in Bonding bar, following step is specifically included
Suddenly：
（1）, melting：Each raw material is weighed according to each composition proportion in body, and be mixed in input smelting furnace and be melt into metal
Liquid, smelting temperature is 1500-1540 DEG C；
（2）, castingin：Above-mentioned each metal bar is fixedly mounted on the inwall of mold cavity by iron nail, and each adjacent metal rod
Between there is gap, molten metal is then poured into rapidly mould so that molten metal covers rapidly each metal bar, after cooling
To bar, the temperature of cast is 1400-1440 DEG C；
（3）, heat treatment：Each bar is loaded in stove, then 960-1000 DEG C is warmed up to the programming rate of 50-70 DEG C/h, so
Come out of the stove after insulation 3.5-4.5h afterwards, then carried out with multiple blower fans air-cooled, stove is reinstalled after bar is cooled to normal temperature interior with 55-65
DEG C/heating rate of h is warmed up to 490-510 DEG C, is then incubated 7-9h, air cooling of finally coming out of the stove.
In a preferred embodiment of the present invention, the step（2）The width of intermediate gap is straight not less than the metal bar
Footpath, it is ensured that the spacing between each metal bar is enough, so as to ensure to be not in cold shut phenomenon during castingin.
In a preferred embodiment of the present invention, the step（3）In each bar treatment need to be maked somebody a mere figurehead in shove charge, it is ensured that
There are enough air quantity to flow through between bar and bar when coming out of the stove air-cooled, so as to improve cooling effect.
Beneficial effects of the present invention are：
（1）, the present invention using melting and castingin technique so that can used with perfect adaptation between parent and metal bar
Middle parent protection metal bar does not fall off, and metal bar protects parent and is not worn, so as to improve the anti-wear performance of significantly bar, makes
Use long lifespan；
（2）, the present invention be heat-treated after the completion of castingin, and bar is heated in heat treatment process, it is air-cooled, again plus
Temperature, the operation of air cooling, can effectively improve the hardness and impact resistance of bar.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that apparent clearly being defined so as to be made to protection scope of the present invention.
Embodiment 1：
A kind of high rigidity impact resistance Cast-in Bonding bar, including：Body and multiple metal bars, each metal bar are equably inlayed
Casting is on the working face of the body；
The body includes the chemical composition of following weight/mass percentage composition：
C account for 2.7%, Si account for 0.35%, Mn account for 0.5%, Cr account for 23.0%, Mo account for 1.2%, Ni account for 0.8%, P account for≤0.1%, S accounts for≤
0.06%, remaining is Fe；
The metal bar includes the chemical composition of following weight/mass percentage composition：
TiC accounts for 36%, Fe and accounts for 36%, Ni and account for 3.6%, Mo and account for 2.0%, Mn and account for 11.2%, Cr and accounts for 11.2%.
The preparation technology of the high rigidity impact resistance Cast-in Bonding bar, specifically includes following steps：
（1）, melting：Each raw material is weighed according to each composition proportion in body, and be mixed in input smelting furnace and be melt into metal
Liquid, smelting temperature is 1500 DEG C；
（2）, castingin：Above-mentioned each metal bar is fixedly mounted on the inwall of mold cavity by iron nail, and each adjacent metal rod
Between there is gap, molten metal is then poured into rapidly mould so that molten metal covers rapidly each metal bar, after cooling
To bar, the temperature of cast is 1400 DEG C；
（3）, heat treatment：Each bar is loaded in stove, then 960 DEG C is warmed up to the programming rate of 50 DEG C/h, is then incubated
Come out of the stove after 4.5h, then carried out with multiple blower fans air-cooled, reinstalled after bar is cooled to normal temperature in stove with the intensification speed of 55 DEG C/h
Rate is warmed up to 490 DEG C, is then incubated 9h, air cooling of finally coming out of the stove.
Embodiment 2：
A kind of high rigidity impact resistance Cast-in Bonding bar, including：Body and multiple metal bars, each metal bar are equably inlayed
Casting is on the working face of the body；
The body includes the chemical composition of following weight/mass percentage composition：
C account for 3.1%, Si account for 0.7%, Mn account for 0.9%, Cr account for 19.0%, Mo account for 2.0%, Ni account for 1.2%, P account for≤0.1%, S accounts for≤
0.06%, remaining is Fe；
The metal bar includes the chemical composition of following weight/mass percentage composition：
TiC accounts for 44%, Fe and accounts for 28%, Ni and account for 2.8%, Mo and account for 1.2%, Mn and account for 12.0%, Cr and accounts for 12.0%.
The preparation technology of the high rigidity impact resistance Cast-in Bonding bar, specifically includes following steps：
（1）, melting：Each raw material is weighed according to each composition proportion in body, and be mixed in input smelting furnace and be melt into metal
Liquid, smelting temperature is 1540 DEG C；
（2）, castingin：Above-mentioned each metal bar is fixedly mounted on the inwall of mold cavity by iron nail, and each adjacent metal rod
Between there is gap, molten metal is then poured into rapidly mould so that molten metal covers rapidly each metal bar, after cooling
To bar, the temperature of cast is 1440 DEG C；
（3）, heat treatment：Each bar is loaded in stove, then 1000 DEG C is warmed up to the programming rate of 70 DEG C/h, is then incubated
Come out of the stove after 3.5h, then carried out with multiple blower fans air-cooled, reinstalled after bar is cooled to normal temperature in stove with the intensification speed of 65 DEG C/h
Rate is warmed up to 510 DEG C, is then incubated 7h, air cooling of finally coming out of the stove.
Embodiment 3：
A kind of high rigidity impact resistance Cast-in Bonding bar, including：Body and multiple metal bars, each metal bar are equably inlayed
Casting is on the working face of the body；
The body includes the chemical composition of following weight/mass percentage composition：
C account for 2.9%, Si account for 0.5%, Mn account for 0.7%, Cr account for 21.0%, Mo account for 1.6%, Ni account for 1.0%, P account for≤0.1%, S accounts for≤
0.06%, remaining is Fe；
The metal bar includes the chemical composition of following weight/mass percentage composition：
TiC accounts for 40%, Fe and accounts for 32%, Ni and account for 3.2%, Mo and account for 1.6%, Mn and account for 11.6%, Cr and accounts for 11.6%.
The preparation technology of the high rigidity impact resistance Cast-in Bonding bar, specifically includes following steps：
（1）, melting：Each raw material is weighed according to each composition proportion in body, and be mixed in input smelting furnace and be melt into metal
Liquid, smelting temperature is 1520 DEG C；
（2）, castingin：Above-mentioned each metal bar is fixedly mounted on the inwall of mold cavity by iron nail, and each adjacent metal rod
Between there is gap, molten metal is then poured into rapidly mould so that molten metal covers rapidly each metal bar, after cooling
To bar, the temperature of cast is 1420 DEG C；
（3）, heat treatment：Each bar is loaded in stove, then 980 DEG C is warmed up to the programming rate of 60 DEG C/h, 4h is then incubated
After come out of the stove, then carried out with multiple blower fans air-cooled, reinstalled after bar is cooled to normal temperature in stove with the heating rate liter of 60 DEG C/h
Then temperature is incubated 8h, air cooling of finally coming out of the stove to 500 DEG C.
Wherein, the step（2）Diameter of the width of intermediate gap not less than the metal bar, it is ensured that between each metal bar
Spacing is enough, so as to ensure to be not in cold shut phenomenon during castingin.
The step（3）In each bar treatment need to be maked somebody a mere figurehead in shove charge, it is ensured that when coming out of the stove air-cooled bar and bar it
Between there are enough air quantity to flow through, so as to improve cooling effect.
It is different from prior art, the present invention is using melting and the technique of castingin so that can be between parent and metal bar
Perfect adaptation, in use parent protection metal bar do not fall off, metal bar protects parent and is not worn, so as to improve big former
The anti-wear performance of hammer, long service life；Colleague is heat-treated after the completion of castingin, and bar is carried out in heat treatment process
Heating, it is air-cooled, heat again, the operation of air cooling, the hardness and impact resistance of bar can be effectively improved.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (5)
1. a kind of high rigidity impact resistance Cast-in Bonding bar, it is characterised in that including：Body and multiple metal bars, it is each described
Metal bar equably castingin on the working face of the body；
The body includes the chemical composition of following weight/mass percentage composition：
C accounts for 2.7-3.1%, and Si accounts for 0.35-0.7%, and Mn accounts for 0.5-0.9%, and Cr accounts for 19.0-23.0%, and Mo accounts for 1.2-2.0%, and Ni is accounted for
0.8-1.2%, P account for≤and 0.1%, S accounts for≤0.06%, and remaining is Fe；
The metal bar includes the chemical composition of following weight/mass percentage composition：
TiC accounts for 36-44%, and Fe accounts for 28-36%, and Ni accounts for 2.8-3.6%, and Mo accounts for 1.2-2.0%, and Mn accounts for 11.2-12.0%, and Cr accounts for 11.2-
12.0%。
2. high rigidity impact resistance Cast-in Bonding bar according to claim 1, it is characterised in that the Mn in the metal bar
Content with Cr is identical.
3. a kind of preparation technology of high rigidity impact resistance Cast-in Bonding bar, it is characterised in that specifically include following steps：
（1）, melting：Each raw material is weighed according to each composition proportion in body, and be mixed in input smelting furnace and be melt into metal
Liquid, smelting temperature is 1500-1540 DEG C；
（2）, castingin：Above-mentioned each metal bar is fixedly mounted on the inwall of mold cavity by iron nail, and each adjacent metal rod
Between there is gap, molten metal is then poured into rapidly mould so that molten metal covers rapidly each metal bar, after cooling
To bar, the temperature of cast is 1400-1440 DEG C；
（3）, heat treatment：Each bar is loaded in stove, then 960-1000 DEG C is warmed up to the programming rate of 50-70 DEG C/h, so
Come out of the stove after insulation 3.5-4.5h afterwards, then carried out with multiple blower fans air-cooled, stove is reinstalled after bar is cooled to normal temperature interior with 55-65
DEG C/heating rate of h is warmed up to 490-510 DEG C, is then incubated 7-9h, air cooling of finally coming out of the stove.
4. the preparation technology of high rigidity impact resistance Cast-in Bonding bar according to claim 3, it is characterised in that the step
Suddenly（2）Diameter of the width of intermediate gap not less than the metal bar.
5. the preparation technology of high rigidity impact resistance Cast-in Bonding bar according to claim 3, it is characterised in that the step
Suddenly（3）In each bar treatment need to be maked somebody a mere figurehead in shove charge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260444.4A CN106862533A (en) | 2016-12-30 | 2016-12-30 | A kind of high rigidity impact resistance Cast-in Bonding bar and its preparation technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260444.4A CN106862533A (en) | 2016-12-30 | 2016-12-30 | A kind of high rigidity impact resistance Cast-in Bonding bar and its preparation technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106862533A true CN106862533A (en) | 2017-06-20 |
Family
ID=59165353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611260444.4A Pending CN106862533A (en) | 2016-12-30 | 2016-12-30 | A kind of high rigidity impact resistance Cast-in Bonding bar and its preparation technology |
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| Country | Link |
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| CN (1) | CN106862533A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625093A (en) * | 2019-09-27 | 2019-12-31 | 湖北鼎信格林科技有限公司 | Preparation method of plate hammer, plate hammer and impact crusher comprising plate hammer |
| CN110788299A (en) * | 2019-10-11 | 2020-02-14 | 常熟市电力耐磨合金铸造有限公司 | Integrated embedded type casting impact breaking rotor body and preparation process thereof |
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2016
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| Title |
|---|
| 陈华辉等: "《耐磨材料应用手册 第2版》", 31 October 2012 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625093A (en) * | 2019-09-27 | 2019-12-31 | 湖北鼎信格林科技有限公司 | Preparation method of plate hammer, plate hammer and impact crusher comprising plate hammer |
| CN110788299A (en) * | 2019-10-11 | 2020-02-14 | 常熟市电力耐磨合金铸造有限公司 | Integrated embedded type casting impact breaking rotor body and preparation process thereof |
| CN110788299B (en) * | 2019-10-11 | 2021-07-16 | 常熟市电力耐磨合金铸造有限公司 | Integrated embedded type casting impact breaking rotor body and preparation process thereof |
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