CN106566983B - High-performance flange-type hob Disc Cutter Ring Material and its production technology - Google Patents
High-performance flange-type hob Disc Cutter Ring Material and its production technology Download PDFInfo
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- CN106566983B CN106566983B CN201610966584.7A CN201610966584A CN106566983B CN 106566983 B CN106566983 B CN 106566983B CN 201610966584 A CN201610966584 A CN 201610966584A CN 106566983 B CN106566983 B CN 106566983B
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- 239000000463 material Substances 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000005516 engineering process Methods 0.000 title abstract description 9
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 34
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 32
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 17
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 17
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 16
- 229910052742 iron Inorganic materials 0.000 claims abstract description 15
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 7
- 238000005299 abrasion Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 8
- 238000005204 segregation Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000000265 homogenisation Methods 0.000 claims description 5
- 239000010813 municipal solid waste Substances 0.000 claims description 5
- 238000007670 refining Methods 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims description 5
- 235000019628 coolness Nutrition 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 4
- 238000005242 forging Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 238000005422 blasting Methods 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract description 3
- 239000011651 chromium Substances 0.000 description 29
- 229910017052 cobalt Inorganic materials 0.000 description 21
- 239000010941 cobalt Substances 0.000 description 21
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 21
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical group [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 18
- 239000011733 molybdenum Substances 0.000 description 18
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 16
- 239000011572 manganese Substances 0.000 description 14
- 229910001566 austenite Inorganic materials 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical group O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- 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
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5241—Manufacture of steel in electric furnaces in an inductively heated furnace
-
- 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
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/04—Refining by applying a vacuum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/16—Remelting metals
- C22B9/18—Electroslag remelting
-
- 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
- C22C38/22—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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- 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
- C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
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- Materials Engineering (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Gear Processing (AREA)
Abstract
High-performance flange-type hob Disc Cutter Ring Material and its production technology, belong to cutter ring processing and manufacturing technical field, solve increases carbon content in the prior art, improve the toughness decline that hardness is caused, the blade of cutter ring, which occurs, when being used in hard rock collapses tooth, bursts apart, and the technical problem of cutter ring phenomenon of rupture occurs when serious；The chemical compositions by percentage of Disc Cutter Ring Material of the present invention is：C:0.35 0.42%, Si:0.8 1.2%, Mn:0.20 0.50%, P ＜ 0.010%, S ＜ 0.005%, Cr:5.00 5.50%, Mo:1.80 2.50%, V:0.80 1.20%, Co:2.00 2.50%, Ni ＜ 0.30%, Fe surpluses；The hobboing cutter cutter ring processed by the material of the hobboing cutter cutter ring of the present invention has the advantages that high rigidity, high abrasion and with good impact flexibility.
Description
Technical field
The invention belongs to cutter ring processing and manufacturing technical field, and in particular to a kind of high-performance flange-type hob Disc Cutter Ring Material and its
Production technology.
Background technology
The material of current rock tunnel(ling) machine flange-type hob cutter ring is largely using U.S. H13 (equivalent to the country
4Cr5MoSiV1), its component content is：
C:0.32--0.45%, Si:0.8--1.2%, Mn:0.20--0.50%, P ＜ 0.03%, S ＜ 0.03%, Cr:
4.75--5.50%, Mo:1.10--1.75%, V:0.80--1.20%, Ni ＜ 0.30%；
The cutter ring hardness produced with above-mentioned material is basic in HRC54--56.With good comprehensive mechanical performance, utilize
The hobboing cutter cutter ring that the ESR ingot of electric furnace smelting+LF refining+vacuum outgas+electroslag remelting is processed, its hardness after Overheating Treatment
HRC54--56 can be reached.This hardness number can meet the driving to soft rock, but run into that hard rock its hardness number do not reach will
Ask, cutter ring wears no resistance, and crimping failures easily occurs in cutter ring.
Flange-type hob cutter ring requires high rigidity, high-wearing feature and good impact flexibility, thus at present many enterprises in order to
Improve cutter ring hardness, improve wearability, all on the basis of mentioned component content, Partial Elements content is adjusted, passes through handle
The percentage of carbon content, which is adjusted to hardness after 0.45%-0.51%, cutter ring processing and heat treatment, can bring up to HRC56--58, knife
The wearability of circle also increases accordingly, but its toughness declines, and the blade of cutter ring, which occurs, when being used in hard rock collapses tooth, collapses
Split, cutter ring phenomenon of rupture occurs when serious.
The content of the invention
It is an object of the invention to provide high-performance flange-type hob Disc Cutter Ring Material and its production technology, solution is deposited in the prior art
Toughness decline, the blade of cutter ring, which occurs, when being used in hard rock collapses tooth, bursts apart, and cutter ring phenomenon of rupture occurs when serious
Technical problem.
The composition and percentage by weight of high-performance flange-type hob Disc Cutter Ring Material of the present invention be：
C:0.35--0.42%, Si:0.8--1.2%, Mn:0.20--0.50%, P ＜ 0.010%, S ＜ 0.005%,
Cr:5.00--5.50%, Mo:1.80--2.50%, V:0.80--1.20%, Co:2.00--2.50%, Ni ＜ 0.30%, Fe
Surplus.
It is preferred that, the composition and percentage by weight of high-performance flange-type hob Disc Cutter Ring Material of the present invention are：
C:0.39%, Si:0.98%, Mn:0.42%, P:0.009, S:0.004%, Cr:5.32%, Mo:2.14%, V:
1.04%, Co:2.38%, Ni:0.23%, Fe surplus.
It is preferred that, the composition and percentage by weight of high-performance flange-type hob Disc Cutter Ring Material of the present invention are：
C:0.36%, Si:0.86%, Mn:0.31%, P：0.007%, S：0.005%, Cr:5.02%, Mo:1.84%,
V:0.87%, Co:2.13%, Ni：0.27%, Fe surplus.
It is preferred that, the composition and percentage by weight of high-performance flange-type hob Disc Cutter Ring Material of the present invention are：
C:0.41%, Si:1.17%, Mn:0.45%, P：0.001%, S：0.004%, Cr:5.43%, Mo:2.46%,
V:1.16%, Co:2.47%, Ni：0.18%, Fe surplus.
The production method for producing flange-type hob cutter ring with high-performance flange-type hob Disc Cutter Ring Material comprises the following steps：
Step one：Vacuum induction melting its chemical composition of high-performance flange-type hob Disc Cutter Ring Material and percentage composition press C:
0.35--0.42%, Si:0.8--1.2%, Mn:0.20--0.50%, P ＜ 0.010%, S ＜ 0.005%, Cr:5.0--
5.50%, Mo:1.80--2.50%, V:0.80--1.20%, Co:2.00--2.50%, Fe surplus carry out dispensing；And melt out
Consutrode rod；
Step 2：Finishing is carried out to consutrode rod surface；
Step 3：Electroslag remelting is carried out by vacuum electroslag furnace；
Step 4：The ESR ingot produced in vacuum electroslag furnace, carries out high temperature homogenization processing, electroslag immediately after the demoulding
Ingot is heated to 1260 DEG C, is incubated 24 hours, and insulation terminates rear furnace cooling to less than 500 DEG C air coolings of coming out of the stove；By high temperature homogeneous
Change processing reduces transgranular component segregation and microstructure segregation, has refined crystal grain, has improved the hot shortness of material.
Step 5：The ESR ingot obtained in step 4 is obtained into high rigidity, height after first forging, finish forge, processing and heat treatment
Hobboing cutter cutter ring wear-resisting and with good impact flexibility.
In the step one, going out consutrode rod in vacuum induction melting is specially：H13 steel scraps to entering stokehold
All carry out blasting treatment and baking；Multiple slagging, slag making are carried out in the refining process in melting later stage；Enter in tapping process
Row deoxidation；Ensure that molten steel has the sufficiently calm time in ladle before cast, the field trash in molten steel is fully floated.
The advantageous effects of the present invention：The high-performance flange-type hob Disc Cutter Ring Material of the present invention is in original H13 steel is ensured
Carbon, silicon, the content of manganese keep constant, and the percentage composition of chromium is 5.0--5.50%, and the percentage composition of molybdenum is in original 1.10--
1.80--2.50% is adjusted on the basis of 1.75%, the quenching degree of material, reduction can further be improved by improving the content of molybdenum
The temper brittleness of steel, the ductility for improving steel, toughness simultaneously improve wearability；New element cobalt is added, its percentage composition is
2.00--2.50%, improves the heat resistance and high temperature hardness of steel, and is interacted with the molybdenum of high level in steel etc.
Good comprehensive mechanical property is obtained, superpower toughness is made it have；The hardness of the hobboing cutter cutter ring processed with this material by
HRC54-HRC56, has brought up to HRC58-HRC60；The ballistic work of hobboing cutter cutter ring brings up to 14J-16J by 8J--10J；High-performance
Flange-type hob Disc Cutter Ring Material strictly controls the impurity contents such as P, S (P ＜ 0.01%, S ＜ 0.005%), improves the pure of material
Cleanliness, so as to be conducive to improving the impact flexibility of cutter ring；The addition of cobalt significantly improves oxidative resistance and red hardness, significantly
Improve the wearability of material；The comprehensive mechanical property of cutter ring has been improved, the service life of cutter ring is extended；This hair is invented
The flange-type hob cutter ring produced of high-performance flange-type hob Disc Cutter Ring Material there is high rigidity, high-wearing feature and good impact flexibility
Hobboing cutter Disc Cutter Ring Material；
Steel scrap all carries out sandblasting using the useless mould materials of H13, and to the steel scrap for entering stokehold in this production method
Processing and toast, make to ensure to dry into stove steel scrap, surface is rustless and the debris such as other silts, so as to ensure the pure of melting molten steel
Cleanliness and low impurity content；The prescribed limit of the percentage composition control of chemical composition in step 1 before induction furnace tapping, strictly
Control P, S content；To accomplish that multiple slagging, slag making improve the degree of purity of molten steel in the refining process in melting later stage；In tapping
During to carry out final deoxidizing；Molten steel ensures the sufficiently calm time in ladle before cast, obtains the field trash in molten steel
Fully float；The ESR ingot obtained after vacuum induction melting and vacuum electroslag remelting, its harmful element P content is less than
0.01%th, S content is less than 0.005%；The ESR ingot produced in vacuum electroslag furnace, carries out high temperature homogeneous immediately after demoulding
Change is handled, and ESR ingot is heated to 1260 DEG C, is incubated 24 hours, and insulation terminates rear furnace cooling to less than 500 DEG C air coolings of coming out of the stove.
Being handled by high temperature homogenization reduces transgranular component segregation and microstructure segregation, has refined crystal grain, has improved material
Hot shortness；ESR ingot obtains high rigidity, high abrasion and with good impact flexibility after first forging, finish forge, processing and heat treatment
Hobboing cutter cutter ring.
Brief description of the drawings
Fig. 1 is the flow chart of high-performance flange-type hob cutter ring production technology of the present invention；
Fig. 2 is the metallographic structure figure of the flange-type hob Disc Cutter Ring Material that code name is 1 in a particular embodiment of the invention；
Fig. 3 is the metallographic structure figure of the flange-type hob Disc Cutter Ring Material that code name is 2 in a particular embodiment of the invention；
Fig. 4 is the metallographic structure figure of the flange-type hob Disc Cutter Ring Material that code name is 3 in a particular embodiment of the invention；
Fig. 5 is the metallographic structure figure of the flange-type hob Disc Cutter Ring Material of H13 steel in a particular embodiment of the invention.
Embodiment
The present invention is further elaborated below in conjunction with the accompanying drawings.
Referring to accompanying drawing 1, it is an object of the invention to provide high-performance flange-type hob Disc Cutter Ring Material and its production technology, solve existing
Having increases carbon content in technology, improve the toughness that causes of hardness and decline, when being used in hard rock the blade of cutter ring occur collapse tooth,
Burst apart, the technical problem of cutter ring phenomenon of rupture occurs when serious.
The composition and percentage by weight of high-performance flange-type hob Disc Cutter Ring Material of the present invention be：
C:0.35--0.42%, Si:0.8--1.2%, Mn:0.20--0.50%, P ＜ 0.010%, S ＜ 0.005%,
Cr:5.00--5.50%, Mo:1.80--2.50%, V:0.80--1.20%, Co:2.00--2.50%, Ni ＜ 0.30%, Fe
Surplus.
It is preferred that, the composition and percentage by weight of high-performance flange-type hob Disc Cutter Ring Material of the present invention are：
C:0.39%, Si:0.98%, Mn:0.42%, P:0.009, S:0.004%, Cr:5.32%, Mo:2.14%, V:
1.04%, Co:2.38%, Ni:0.23%, Fe surplus.
It is preferred that, the composition and percentage by weight of high-performance flange-type hob Disc Cutter Ring Material of the present invention are：
C:0.36%, Si:0.86%, Mn:0.31%, P：0.007%, S：0.005%, Cr:5.02%, Mo:1.84%,
V:0.87%, Co:2.13%, Ni：0.27%, Fe surplus.
It is preferred that, the composition and percentage by weight of high-performance flange-type hob Disc Cutter Ring Material of the present invention are：
C:0.41%, Si:1.17%, Mn:0.45%, P：0.001%, S：0.004%, Cr:5.43%, Mo:2.46%,
V:1.16%, Co:2.47%, Ni：0.18%, Fe surplus.
The production method for processing flange-type hob cutter ring with high-performance flange-type hob Disc Cutter Ring Material comprises the following steps：
Step one：Vacuum induction melting its chemical composition of high-performance flange-type hob Disc Cutter Ring Material and percentage composition press C:
0.35--0.42%, Si:0.8--1.2%, Mn:0.20--0.50%, P ＜ 0.010%, S ＜ 0.005%, Cr:5.0--
5.50%, Mo:1.80--2.50%, V:0.80--1.20%, Co:2.00--2.50%, Fe surplus carry out dispensing；And melt out
Consutrode rod；
Step 2：Finishing is carried out to consutrode rod surface；
Step 3：Electroslag remelting is carried out by vacuum electroslag furnace；
Step 4：The ESR ingot produced in vacuum electroslag furnace, carries out high temperature homogenization processing, electroslag immediately after the demoulding
Ingot is heated to 1260 DEG C, is incubated 24 hours, and insulation terminates rear furnace cooling to less than 500 DEG C air coolings of coming out of the stove；By high temperature homogeneous
Change processing reduces transgranular component segregation and microstructure segregation, has refined crystal grain, has improved the hot shortness of material.
Step 5：The ESR ingot obtained in step 4 is obtained into high rigidity, height after first forging, finish forge, processing and heat treatment
Hobboing cutter cutter ring wear-resisting and with good impact flexibility.
In the step one, going out consutrode rod in vacuum induction melting is specially：H13 steel scraps to entering stokehold
All carry out blasting treatment and baking；Multiple slagging, slag making are carried out in the refining process in melting later stage；Enter in tapping process
Row deoxidation；Ensure that molten steel has the sufficiently calm time in ladle before cast, the field trash in molten steel is fully floated.
Specific embodiment two：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.00%.
Specific embodiment three：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.5%.
Specific embodiment four：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.25%.
Specific embodiment five：
The present embodiment and the difference of embodiment 1 are, it is preferred that the percentage by weight of molybdenum is 1.80%.
Specific embodiment six：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of molybdenum is 2.30%.
Specific embodiment seven：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of molybdenum is 2.15%.
Specific embodiment eight：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of chromium is 5.00%.
Specific embodiment nine：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of chromium is 5.50%.
Specific embodiment ten:
The present embodiment and the difference of embodiment 1 are that the percentage by weight of chromium is 5.25%.
Specific embodiment 11：
Difference in this case is that, the percentage by weight of cobalt is 2.00%, and the percentage by weight of molybdenum is 1.80%.
Specific embodiment 12：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.00%, and the percentage by weight of molybdenum is
2.30%.
Specific embodiment 13：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.00%, and the percentage by weight of molybdenum is
2.15%.
Specific embodiment 14：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.00%, and the percentage by weight of chromium is
5.00%.
Specific embodiment 15：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.00%, and the percentage by weight of chromium is
5.50%.
Specific embodiment 16：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.00%, and the percentage by weight of chromium is
5.25%.
Specific embodiment 17：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.00%, and the percentage by weight of molybdenum is
1.80%, the percentage by weight of chromium is 5.00%.
Specific embodiment 18：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.00%, and the percentage by weight of molybdenum is
1.80%, the percentage by weight of chromium is 5.50%.
Specific embodiment 19：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.00%, and the percentage by weight of molybdenum is
1.80%, the percentage by weight of chromium is 5.25%.
Specific embodiment 20：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.00%, and the percentage by weight of molybdenum is
2.50%, the percentage by weight of chromium is 5.00%.
Specific embodiment 21：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.00%, and the percentage by weight of molybdenum is
2.50%, the percentage by weight of chromium is 5.50%.
Specific embodiment 22：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.00%, and the percentage by weight of molybdenum is
2.50%, the percentage by weight of chromium is 5.25%.
Specific embodiment 23：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.00%, and the percentage by weight of molybdenum is
2.35%, the percentage by weight of chromium is 5.00%.
Specific embodiment 24：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.00%, and the percentage by weight of molybdenum is
2.35%, the percentage by weight of chromium is 5.50%.
Specific embodiment 25：
The present embodiment and the difference of embodiment 1 are that the percentage by weight of cobalt is 2.00%, and the percentage by weight of molybdenum is
2.35%, the percentage by weight of chromium is 5.25%.
The production of hobboing cutter cutter ring is processed to the flange-type hob Disc Cutter Ring Material of specific embodiment two to specific embodiment 25
Unlike method is unique from embodiment one：In blending process in step one, according to the composition weight in each specific embodiment
Measure percentage and carry out dispensing.
Cutter ring has carried out properties detection, and it is the results detailed in following table：
The chemical composition of the high-performance flange-type hob cutter ring of table 1
| Code name | C% | Si% | Mn% | P% | S% | Cr% | Mo% | V% | Co% | Ni% |
| 1 | 0.39 | 0.98 | 0.42 | 0.009 | 0.004 | 5.32 | 2.14 | 1.04 | 2.38 | 0.23 |
| 2 | 0.36 | 0.86 | 0.31 | 0.007 | 0.005 | 5.02 | 1.84 | 0.87 | 2.13 | 0.27 |
| 3 | 0.41 | 1.17 | 0.45 | 0.001 | 0.004 | 5.43 | 2.46 | 1.16 | 2.47 | 0.18 |
The nonmetallic inclusionsin steel of table 2
Wherein：A is sulfide；B is aluminum oxide；C is silicate；D is spherical oxide；DS is individual particle field trash.
The performance of the high-performance flange-type hob cutter ring of table 3
Referring to accompanying drawing 2,3 and 4, the metallographic structure of finished product cutter ring:Metallographic is graded 2--3 grades, is organized as fine acicular tempered martensite
Body+very small amount retained austenite；
It can be drawn by above-mentioned experimental data：The hardness of hobboing cutter cutter ring has brought up to HRC58- by HRC54-HRC56
HRC60；The ballistic work of hobboing cutter cutter ring brings up to 14J-16J by 8J--10J；High-performance flange-type hob Disc Cutter Ring Material is strictly controlled
The impurity contents such as P, S (P ＜ 0.01%, S ＜ 0.005%), improve the degree of purity of material, so as to be conducive to improving knife
The impact flexibility of circle；The addition of cobalt significantly improves oxidative resistance and red hardness, greatly improves the wearability of material；Improve
The comprehensive mechanical property of cutter ring, extends the service life of cutter ring.
The properties such as following table for the hobboing cutter cutter ring that H13 steel is produced：
The H13 steel chemical compositions of table 4
| Code name | C% | Si% | Mn% | P% | S% | Cr% | Mo% | V% | Ni% |
| H13 steel | 0.41 | 0.94 | 0.47 | 0.019 | 0.009 | 5.17 | 1.54 | 1.06 | 0.17 |
The H13 nonmetallic inclusionsin steels of table 5
The performance of the H13 steel finished product cutter rings of table 6
Referring to accompanying drawing 5, the metallographic structure of H13 steel finished product cutter rings:Metallographic is graded 4 grades, is organized as acicular tempered martensite+few
Measure retained austenite
Contrasted one by one with table 4-6 from table 1-3, and accompanying drawing 2-4 contrasted one by one with accompanying drawing 5 in can draw, high-performance dish-type
The non-metallic inclusion content of hobboing cutter Disc Cutter Ring Material is far below H13 steel；The finished product knife of high-performance flange-type hob Disc Cutter Ring Material production
Metallographic structure of the metallographic structure than H13 steel is enclosed, the shape of martensite is more tiny, and the content of retained austenite is fewer；From power
Learn performance and see that the property indices of high-performance flange-type hob Disc Cutter Ring Material are all higher than H13 steel.
Claims (4)
1. high-performance flange-type hob Disc Cutter Ring Material, it is characterised in that the composition and weight hundred of high-performance flange-type hob Disc Cutter Ring Material
Point ratio is：
C:0.35--0.39%, Si:0.8--1.2%, Mn:0.20--0.50%, P ＜ 0.010%, S ＜ 0.005%, Cr:
5.00--5.50%, Mo:1.80--2.50%, V:0.80--1.20%, Co:More than 2.00--2.50%, Ni ＜ 0.30%, Fe
Amount.
2. high-performance flange-type hob Disc Cutter Ring Material according to claim 1, it is characterised in that high-performance flange-type hob cutter ring
The composition and percentage by weight of material be：
C:0.39%, Si:0.98%, Mn:0.42%, P:0.009, S:0.004%, Cr:5.32%, Mo:2.14%, V:
1.04%, Co:2.38%, Ni:0.23%, Fe surplus.
3. high-performance flange-type hob Disc Cutter Ring Material according to claim 1, it is characterised in that high-performance flange-type hob cutter ring
The composition and percentage by weight of material be：
C:0.36%, Si:0.86%, Mn:0.31%, P：0.007%, S：0.005%, Cr:5.02%, Mo:1.84%, V:
0.87%, Co:2.13%, Ni：0.27%, Fe surplus.
4. high-performance flange-type hob Disc Cutter Ring Material according to claim 1, it is characterised in that
The production method for processing flange-type hob cutter ring with high-performance flange-type hob Disc Cutter Ring Material comprises the following steps：
Step one：Vacuum induction melting its chemical composition of high-performance flange-type hob Disc Cutter Ring Material and percentage composition press C:0.35--
0.39%, Si:0.8--1.2%, Mn:0.20--0.50%, P ＜ 0.010%, S ＜ 0.005%, Cr:5.0--5.50%, Mo:
1.80--2.50%, V:0.80--1.20%, Co:2.00--2.50%, Fe surplus carry out dispensing；And melt out consutrode
Rod；
In the step one, going out consutrode rod in vacuum induction melting is specially：H13 steel scraps whole to entering stokehold
Carry out blasting treatment and baking；Multiple slagging, slag making are carried out in the refining process in melting later stage；Taken off in tapping process
Oxygen；Ensure that molten steel has the sufficiently calm time in ladle before cast, the field trash in molten steel is fully floated；
Step 2：Finishing is carried out to consutrode rod surface；
Step 3：Electroslag remelting is carried out by vacuum electroslag furnace；
Step 4：The ESR ingot produced in vacuum electroslag furnace, carries out high temperature homogenization processing immediately after the demoulding, ESR ingot plus
Heat is incubated 24 hours to 1260 DEG C, and insulation terminates rear furnace cooling to less than 500 DEG C air coolings of coming out of the stove；At high temperature homogenization
Reason reduces transgranular component segregation and microstructure segregation, has refined crystal grain, has improved the hot shortness of material.
Step 5：The ESR ingot obtained in step 4 is obtained into high rigidity, high abrasion after first forging, finish forge, processing and heat treatment
And the hobboing cutter cutter ring with good impact flexibility.
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| CN201610966584.7A CN106566983B (en) | 2016-10-28 | 2016-10-28 | High-performance flange-type hob Disc Cutter Ring Material and its production technology |
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| CN108728756B (en) * | 2018-06-30 | 2019-11-22 | 中铁工程装备集团隧道设备制造有限公司 | A kind of high-performance hobboing cutter Disc Cutter Ring Material and preparation method thereof |
| CN112459794B (en) * | 2020-10-23 | 2022-12-27 | 吉林省维尔特隧道装备有限公司 | Disc type double-edged hob bin and material for same |
| CN112605609B (en) * | 2020-12-01 | 2022-03-04 | 中铁工程装备集团有限公司 | Tower type hobbing cutter ring and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034396A (en) * | 1988-01-21 | 1989-08-02 | 西宁钢厂 | Steel for drill rod casing |
| CN1540023A (en) * | 2003-04-09 | 2004-10-27 | ������������ʽ���� | High speed tool steel and its mfg. method |
| CN1659299A (en) * | 2002-06-13 | 2005-08-24 | 尤迪霍尔姆工具公司 | Cold work steel and cold work tool |
-
2016
- 2016-10-28 CN CN201610966584.7A patent/CN106566983B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034396A (en) * | 1988-01-21 | 1989-08-02 | 西宁钢厂 | Steel for drill rod casing |
| CN1659299A (en) * | 2002-06-13 | 2005-08-24 | 尤迪霍尔姆工具公司 | Cold work steel and cold work tool |
| CN1540023A (en) * | 2003-04-09 | 2004-10-27 | ������������ʽ���� | High speed tool steel and its mfg. method |
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