CN106756629A - A kind of manufacture method of the enhanced bearing of Brinell hardness - Google Patents
A kind of manufacture method of the enhanced bearing of Brinell hardness Download PDFInfo
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- CN106756629A CN106756629A CN201510823148.XA CN201510823148A CN106756629A CN 106756629 A CN106756629 A CN 106756629A CN 201510823148 A CN201510823148 A CN 201510823148A CN 106756629 A CN106756629 A CN 106756629A
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- bearing
- brinell hardness
- steel material
- steel
- manufacture method
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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
- C22C38/60—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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- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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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
- C22C38/12—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
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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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Forging (AREA)
- Rolling Contact Bearings (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
The present invention relates to a kind of manufacture method of the enhanced bearing of Brinell hardness, the method comprises the following steps：Steel material is melted in high-frequency vacuum smelting furnace, is then cast, cooling velocity is 1.6 DEG C/min to form ingot in the casting；Ingot is kept 8 hours at 900 DEG C, is then kept for 60 minutes at 550 DEG C；Hereafter hot forging is carried out using 500 tons of hammer forging machines, bearing steel is so obtained；Bearing steel is compressing to manufacture bearing in forging machine, and the composition of the steel material is (in terms of weight %)：0.25% to 0.29% carbon；0.10% to 1.20% manganese；0.09% to 0.13% phosphorus；0.10% to 0.19% sulphur；0.60% to 1.00% silicon；≤ 0.09% aluminium；≤ 0.01% nitrogen；0.45% to 0.83% chromium；0.04% to 0.07% niobium；≤ 0.50% copper；0.25% to 0.70% europium；0.2% to 2.00% molybdenum；0.2% to 0.4% vanadium；0.0075% to 0.0095% ytterbium；0.010% to 0.050% titanium：Remaining is iron and inevitable impurity.Method of the present invention can prepare the enhanced bearing of Brinell hardness.
Description
Technical field
The present invention relates to field of bearings, specifically, it is related to a kind of enhanced axle of Brinell hardness
The manufacture method held.
Background technology
Bearing is parts the most frequently used in producing, but due at present for the requirement of bearing
More and more higher, some current bearings can not meet requirement.
The content of the invention
It is an object of the invention to provide a kind of manufacture method of the enhanced bearing of Brinell hardness.
In order to realize the purpose of the present invention, the present invention provides a kind of enhanced bearing of Brinell hardness
Manufacture method, the method comprises the following steps：Steel material is melted in high-frequency vacuum smelting furnace, with
After cast, cooling velocity is 1.6 DEG C/min forming ingot in the casting；By ingot
Kept at 900 DEG C 8 hours, then kept for 60 minutes at 550 DEG C；Hereafter 500 are used
Ton hammer forging machine carries out hot forging, and bearing steel is so obtained；Bearing steel is suppressed in forging machine
To manufacture bearing, the composition of the steel material is (in terms of weight %) for shaping：
0.25% to 0.29% carbon；
0.10% to 1.20% manganese；
0.09% to 0.13% phosphorus；
0.10% to 0.19% sulphur；
0.60% to 1.00% silicon；
≤ 0.09% aluminium；
≤ 0.01% nitrogen；
0.45% to 0.83% chromium；
0.04% to 0.07% niobium；
≤ 0.50% copper；
0.25% to 0.70% europium；
0.2% to 2.00% molybdenum；
0.2% to 0.4% vanadium；
0.0075% to 0.0095% ytterbium；
0.010% to 0.050% titanium：
Remaining is iron and inevitable impurity.
Preferably, the composition of the steel material is (in terms of weight %)：
0.27% carbon；
0.60% manganese；
0.10% phosphorus；
0.16% sulphur；
0.80% silicon；
0.03% aluminium；
0.005% nitrogen；
0.57% chromium；
0.05% niobium；
0.30% copper；
0.55% europium；
1.00% molybdenum；
0.3% vanadium；
0.0085% ytterbium；
0.035% titanium：
Remaining is iron and inevitable impurity.
Method of the present invention can manufacture the enhanced bearing of Brinell hardness.
Specific embodiment
Below by way of the description of specific embodiment, the invention will be further described, but this is simultaneously
Non- is limitation of the present invention, those skilled in the art's basic thought of the invention, can be with
Various modifications or improvement are made, but without departing from basic thought of the invention, in this hair
Within the scope of bright.
The preparation of the bearing of embodiment 1
The composition of the enhanced bearing steel of Brinell hardness is (in terms of weight %)：
0.27% carbon；
0.60% manganese；
0.10% phosphorus；
0.16% sulphur；
0.80% silicon；
0.03% aluminium；
0.005% nitrogen；
0.57% chromium；
0.05% niobium；
0.30% copper；
0.55% europium；
1.00% molybdenum；
0.3% vanadium；
0.0085% ytterbium；
0.035% titanium：
Remaining is iron and inevitable impurity.
The 30kg steel material that will be constituted with mentioned component is melted in high-frequency vacuum smelting furnace, then
Cast, cooling velocity is 1.6 DEG C/min to form ingot in the casting.Ingot is existed
Kept at 900 DEG C 8 hours, then kept for 60 minutes at 550 DEG C.Hereafter 500 tons are used
Hammer forging machine carries out hot forging, and bearing steel is so obtained.Bearing steel is pressed into forging machine
Type is manufacturing bearing 1.
The preparation of the bearing of embodiment 2
Bearing 2 is prepared according to the same manner as in Example 1, and difference is not use
Molybdenum.
The preparation of the bearing of embodiment 3
Bearing 3 is prepared according to the same manner as in Example 1, and difference is not use
Ytterbium.
The preparation of the bearing of embodiment 4
Bearing 4 is prepared according to the same manner as in Example 1, and difference is not use
Europium.
Experimental example 1
The Brinell hardness of bearing 1-4 is determined according to GB/T 231.1-2009.Result is as follows：
The Brinell hardness of bearing 1 is 271HRC, and the Brinell hardness of bearing 2 is 155HRC, axle
3 Brinell hardness is held for 158HRC, the Brinell hardness of bearing 4 is 153HRC.
Experimental example 2
Tensile strength is determined according to GB/T 228-2002.Result is as follows：The tension of bearing 1
Intensity RmIt is 887 MPas, the tensile strength R of bearing 2mIt is 675 MPas, the tension of bearing 3
Intensity RmIt is 654 MPas, the tensile strength R of bearing 4mIt is 663 MPas.
Claims (2)
1. a kind of manufacture method of the enhanced bearing of Brinell hardness, the method comprises the following steps：
Steel material is melted in high-frequency vacuum smelting furnace, is then cast, the cooling velocity in the casting
It is 1.6 DEG C/min forming ingot；Ingot is kept for 8 hours at 900 DEG C, then 550
Kept for 60 minutes at DEG C；Hereafter hot forging is carried out using 500 tons of hammer forging machines, is so obtained
Bearing steel；It is bearing steel is compressing manufacturing bearing in forging machine, it is characterised in that institute
The composition for stating steel material is (in terms of weight %)：
0.25% to 0.29% carbon；
0.10% to 1.20% manganese；
0.09% to 0.13% phosphorus；
0.10% to 0.19% sulphur；
0.60% to 1.00% silicon；
≤ 0.09% aluminium；
≤ 0.01% nitrogen；
0.45% to 0.83% chromium；
0.04% to 0.07% niobium；
≤ 0.50% copper；
0.25% to 0.70% europium；
0.2% to 2.00% molybdenum；
0.2% to 0.4% vanadium；
0.0075% to 0.0095% ytterbium；
0.010% to 0.050% titanium：
Remaining is iron and inevitable impurity.
2. the manufacture method of the enhanced bearing of Brinell hardness according to claim 1, its
It is characterised by, the composition of the steel material is (in terms of weight %)：
0.27% carbon；
0.60% manganese；
0.10% phosphorus；
0.16% sulphur；
0.80% silicon；
0.03% aluminium；
0.005% nitrogen；
0.57% chromium；
0.05% niobium；
0.30% copper；
0.55% europium；
1.00% molybdenum；
0.3% vanadium；
0.0085% ytterbium；
0.035% titanium：
Remaining is iron and inevitable impurity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510823148.XA CN106756629A (en) | 2015-11-24 | 2015-11-24 | A kind of manufacture method of the enhanced bearing of Brinell hardness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510823148.XA CN106756629A (en) | 2015-11-24 | 2015-11-24 | A kind of manufacture method of the enhanced bearing of Brinell hardness |
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| Publication Number | Publication Date |
|---|---|
| CN106756629A true CN106756629A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510823148.XA Pending CN106756629A (en) | 2015-11-24 | 2015-11-24 | A kind of manufacture method of the enhanced bearing of Brinell hardness |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108251757A (en) * | 2017-12-27 | 2018-07-06 | 浙江富钢金属制品有限公司 | A kind of high-performance bearing steel ESR ingot and its one-heating forming technique containing ytterbium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040149359A1 (en) * | 2002-12-03 | 2004-08-05 | Herve Michaud | Method of fabricating a steel forging, and a forging obtained thereby |
| CN103097565A (en) * | 2010-09-15 | 2013-05-08 | 株式会社神户制钢所 | Bearing steel |
| CN103436817A (en) * | 2013-06-19 | 2013-12-11 | 浙江浦宁不锈钢有限公司 | Strength-enhanced steel preparation method |
| JP5652555B2 (en) * | 2011-10-20 | 2015-01-14 | 新日鐵住金株式会社 | Bearing steel and manufacturing method thereof |
-
2015
- 2015-11-24 CN CN201510823148.XA patent/CN106756629A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040149359A1 (en) * | 2002-12-03 | 2004-08-05 | Herve Michaud | Method of fabricating a steel forging, and a forging obtained thereby |
| CN103097565A (en) * | 2010-09-15 | 2013-05-08 | 株式会社神户制钢所 | Bearing steel |
| JP5652555B2 (en) * | 2011-10-20 | 2015-01-14 | 新日鐵住金株式会社 | Bearing steel and manufacturing method thereof |
| CN103436817A (en) * | 2013-06-19 | 2013-12-11 | 浙江浦宁不锈钢有限公司 | Strength-enhanced steel preparation method |
Non-Patent Citations (1)
| Title |
|---|
| 何人葵 等: "《工程材料与热处理》", 31 July 2015, 北京：冶金工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108251757A (en) * | 2017-12-27 | 2018-07-06 | 浙江富钢金属制品有限公司 | A kind of high-performance bearing steel ESR ingot and its one-heating forming technique containing ytterbium |
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Application publication date: 20170531 |