CN109487150A - A kind of preparation method of anti-friction bearing - Google Patents
A kind of preparation method of anti-friction bearing Download PDFInfo
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- CN109487150A CN109487150A CN201811545874.XA CN201811545874A CN109487150A CN 109487150 A CN109487150 A CN 109487150A CN 201811545874 A CN201811545874 A CN 201811545874A CN 109487150 A CN109487150 A CN 109487150A
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/14—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of germanium, tin or lead
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/83—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
- C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention discloses a kind of preparation methods of anti-friction bearing, the following steps are included: 3-6 parts of C, 3-8 parts of Cr, 2-6 parts of Mo, 0.05-0.1 parts of Ti, 3-5 parts of Mn, 0.05-0.1 parts of Ir, 2-6 parts of Nb, 5-8 parts of W, 2-5 parts of Si, 8-20 parts of Co, 80-90 parts of Fe and 2-3 parts of composite catalyst are poured into batch mixer by weight, continuous uniform mixing 20-50 minutes；It is sintered after being then injected into mold internal pressure embryo, sintering temperature is promoted to 900 DEG C by 400 DEG C, and sintering time is 200-250 minutes；After heat preservation 12 hours, then after rolling, resintering, rolling again.The present invention, which adds Ir, can increase the wearability of bearing, and addition W can improve the inoxidizability and corrosion resistance of bearing, and addition composite catalyst enables to each raw material metal preferably to bond and be sintered, improves consistency, increase wearability.
Description
Technical field
The present invention relates to field of bearings, in particular to a kind of preparation method of anti-friction bearing.
Background technique
Bearing plays the components of bearing or guiding role for determining rotary shaft and other parts relative motion position.It
Major function be to support mechanical rotary body, to reduce mechanical load coefficient of friction of the equipment in transmission process.Therefore it needs
Want bearing steel that there is preferable hardness, intensity, toughness and stability.
But existing bearing is generally wear-resisting or corrosion-resistant to improve its using one layer of coating is coated outside bearing, still
For a long time, it is easy to fall off, replacement frequency is high.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of preparation method of anti-friction bearing.
To achieve the goals above, the preparation method of a kind of anti-friction bearing provided by the invention, comprising the following steps:
By weight by 3-6 parts of C, 3-8 parts of Cr, 2-6 parts of Mo, 0.05-0.1 parts of Ti, 3-5 parts of Mn, Ir 0.05-0.1
Part, 2-6 parts of Nb, 5-8 parts of W, 2-5 parts of Si, 8-20 parts of Co, 80-90 parts of Fe and 2-3 parts of composite catalyst pour into mixing
Machine, continuous uniform mixing 20-50 minutes；It is sintered after being then injected into mold internal pressure embryo, sintering temperature is mentioned by 400 DEG C
900 DEG C are risen to, sintering time is 200-250 minutes；After heat preservation 12 hours, then after rolling, resintering, rolling again,
The active component of the composite catalyst is Cu or Sn, and carrier is the silica and ceria being supported on glass,
Its preparation flow are as follows:
A. 100 mL SiO are taken2The silica solution that mass fraction is 5 ~ 12% impregnates glass carrier and is blown after soaking completely with cold wind
Walk and collect the residual liquid in duct, then with 40 DEG C or so of hot blast drying glass surface；Aforesaid operations are repeated several times, until
100 mL silica solution are all absorbed.In above-mentioned preparation process, it is by 2 ~ 15 μm or so of glass that glass carrier, which is glass fiber paper,
Fiber filament is interwoven.The SiO of use2Partial size is 50 ~ 200 nm.SiO2If partial size is excessively high, it is easy to cause not strong for load, hair
Life falls off, and influences catalyst performance.
B. 80 mL of glycerine water solution is taken, Ce (NO is added3)3•9H2After 10 min of O ultrasound, 5% ammonium hydroxide is slowly added dropwise simultaneously
It is vigorously stirred, until pH is 4 or so, stops being added dropwise；According to a same steps, gained Ce sol impregnation was being supported into silica solution
Glass carrier on；After the completion of dipping, it is placed in Muffle kiln roasting, obtained glass carrier is denoted as CeM.The roasting condition
For air atmosphere, 700 DEG C of 6 ~ 8 h of roasting.In above-mentioned glycerine water solution, qualities of glycerin score is 30 ~ 60%.It is added to glycerol liquor
Ce (NO in solution3)3•9H2The SiO loaded in O mole and glass2Mole ratio is 1:1 ~ 2:1.
C. the preparation of Cu/CeM or Sn/CeM: CeM is immersed in metal front liquid solution, is placed in 50 DEG C of isothermal vibrations
12 h in device after being then placed in Muffle kiln roasting, obtains Cu/CeM or Sn/CeM glass catalyst.Metal precursor is nitric acid
Copper or tin tetrachloride, the mass fraction of Cu and Sn in the catalyst is not higher than 3%.The roasting condition is air atmosphere,
700 DEG C of 6 ~ 8 h of roasting.
The composite catalyst selects glass as catalyst carrier, be since glass inner surface is there is radial corrugation,
To increase the turbulent extent of carrier surface, mass transfer and heat transfer of the reactant in catalyst surface are also increased, is avoided
Temperature runaway caused by catalytic inner hot-spot, sintering, while improving catalyst activity.
A kind of preparation method of anti-friction bearing provided by the invention, addition Ir can increase the wearability of bearing, add W energy
Improve bearing inoxidizability and corrosion resistance, addition composite catalyst enable to each raw material metal preferably bond with
Sintering improves consistency, increases wearability.
Specific embodiment
Embodiment 1
A kind of preparation method of anti-friction bearing provided in this embodiment, comprising the following steps: the following steps are included:
By weight by 3 parts of C, 3 parts of Cr, 2 parts of Mo, 0.05 part of Ti, 3 parts of Mn, 0.05 part of Ir, 2 parts of Nb, 5 parts of W, Si
2 parts, 8 parts of Co, 80 parts of Fe and 2 parts of composite catalyst pour into batch mixer, and continuous uniform mixing 20-50 minutes；It is then injected into
It is sintered after mold internal pressure embryo, sintering temperature is promoted to 900 DEG C by 400 DEG C, and sintering time is 200-250 minutes；It protects
After 12 hours warm, then after rolling, resintering, rolling again,
The active component of the composite catalyst is Cu or Sn, and carrier is the silica and ceria being supported on glass,
Its preparation flow are as follows:
A. 100 mL SiO are taken2The silica solution that mass fraction is 5 ~ 12% impregnates glass carrier and is blown after soaking completely with cold wind
Walk and collect the residual liquid in duct, then with 40 DEG C or so of hot blast drying glass surface；Aforesaid operations are repeated several times, until
100 mL silica solution are all absorbed.In above-mentioned preparation process, it is by 2 ~ 15 μm or so of glass that glass carrier, which is glass fiber paper,
Fiber filament is interwoven.The SiO of use2Partial size is 50 ~ 200 nm.
B. 80 mL of glycerine water solution is taken, Ce (NO is added3)3•9H2After 10 min of O ultrasound, 5% ammonium hydroxide is slowly added dropwise simultaneously
It is vigorously stirred, until pH is 4 or so, stops being added dropwise；According to a same steps, gained Ce sol impregnation was being supported into silica solution
Glass carrier on；After the completion of dipping, it is placed in Muffle kiln roasting, obtained glass carrier is denoted as CeM.The roasting condition
For air atmosphere, 700 DEG C of 6 ~ 8 h of roasting.In above-mentioned glycerine water solution, qualities of glycerin score is 30 ~ 60%.It is added to glycerol liquor
Ce (NO in solution3)3•9H2The SiO loaded in O mole and glass2Mole ratio is 1:1 ~ 2:1.
C. the preparation of Cu/CeM or Sn/CeM: CeM is immersed in metal front liquid solution, is placed in 50 DEG C of isothermal vibrations
12 h in device after being then placed in Muffle kiln roasting, obtains Cu/CeM or Sn/CeM glass catalyst.Metal precursor is nitric acid
Copper or tin tetrachloride.The roasting condition is air atmosphere, 700 DEG C of 6 ~ 8 h of roasting.The quality of Cu and Sn in the catalyst
Score is not higher than 3%.
Embodiment 2
The preparation method of a kind of anti-friction bearing provided in this embodiment, the difference from embodiment 1 is that the anti-friction bearing is pressed
Parts by weight are by 6 parts of C, 8 parts of Cr, 6 parts of Mo, 0.1 part of Ti, 5 parts of Mn, 0.1 part of Ir, 6 parts of Nb, 8 parts of W, 5 parts of Si, Co
20 parts, 90 parts of Fe and 3 parts of composite catalyst pour into batch mixer, and continuous uniform mixing 20-50 minutes；It is then injected into mold
It is sintered after pressure embryo, sintering temperature is promoted to 900 DEG C by 400 DEG C, and sintering time is 200-250 minutes；It is small to keep the temperature 12
Shi Hou, then after rolling, resintering, rolling again.
Embodiment 3
The preparation method of a kind of anti-friction bearing provided in this embodiment, the difference from embodiment 1 is that the anti-friction bearing is pressed
Parts by weight by 5 parts of C, 5 parts of Cr, 5 parts of Mo, 0.05 part of Ti, 3 parts of Mn, 0.05 part of Ir, 5 parts of Nb, 5 parts of W, 5 parts of Si,
15 parts of Co, 85 parts of Fe and 3 parts of composite catalyst pour into batch mixer, and continuous uniform mixing 20-50 minutes；It is then injected into mould
It is sintered after tool internal pressure embryo, sintering temperature is promoted to 900 DEG C by 400 DEG C, and sintering time is 200-250 minutes；Heat preservation
After 12 hours, then after rolling, resintering, rolling again.
Embodiment 4
The preparation method of a kind of anti-friction bearing provided in this embodiment, the difference from embodiment 1 is that the system of composite catalyst
Set silica concentration in silica solution when standby is 7%, and silica partial size is 50 nm, and glass fiber paper uses 5 μm of fibers to be prepared into
Come, qualities of glycerin score is 40% in glycerine water solution.Ce (the NO being added in glycerine water solution3)3•9H2O mole and glass
The SiO of upper load2Mole ratio is 1.5:1.The Cu/CeM catalyst of Cu content 3% is prepared according to the above process.
Embodiment 5
The preparation method of a kind of anti-friction bearing provided in this embodiment, the difference from embodiment 1 is that the system of composite catalyst
Set silica concentration in silica solution when standby is 7%, and silica partial size is 50 nm, and glass fiber paper uses 5 μm of fibers to be prepared into
Come, qualities of glycerin score is 40% in glycerine water solution.Ce (the NO being added in glycerine water solution3)3•9H2O mole and glass
The SiO of upper load2Mole ratio is 1.5:1.The Cu/CeM catalyst of Cu content 1.5% is prepared according to the above process.
Embodiment 6
The preparation method of a kind of anti-friction bearing provided in this embodiment, the difference from embodiment 1 is that the system of composite catalyst
Set silica concentration in silica solution when standby is 7%, and silica partial size is 50 nm, and glass fiber paper uses 5 μm of fibers to be prepared into
Come, qualities of glycerin score is 40% in glycerine water solution.Ce (the NO being added in glycerine water solution3)3•9H2O mole and glass
The SiO of upper load2Mole ratio is 1.5:1.The Sn/CeM catalyst of Sn content 3% is prepared according to the above process.
Claims (2)
1. a kind of preparation method of anti-friction bearing, which comprises the following steps:
By weight by 3-6 parts of C, 3-8 parts of Cr, 2-6 parts of Mo, 0.05-0.1 parts of Ti, 3-5 parts of Mn, Ir 0.05-0.1
Part, 2-6 parts of Nb, 5-8 parts of W, 2-5 parts of Si, 8-20 parts of Co, 80-90 parts of Fe and 2-3 parts of composite catalyst pour into mixing
Machine, continuous uniform mixing 20-50 minutes；It is sintered after being then injected into mold internal pressure embryo, sintering temperature is mentioned by 400 DEG C
900 DEG C are risen to, sintering time is 200-250 minutes；After heat preservation 12 hours, then after rolling, resintering, rolling again,
The active component of the composite catalyst is Cu or Sn, and carrier is the silica and ceria being supported on glass,
Its preparation flow are as follows:
A. 100 mL SiO are taken2The silica solution that mass fraction is 5 ~ 12% impregnates glass carrier and is blown after soaking completely with cold wind
Walk and collect the residual liquid in duct, then with 40 DEG C or so of hot blast drying glass surface；Aforesaid operations are repeated several times, until
100 mL silica solution are all absorbed；
B. 80 mL of glycerine water solution is taken, Ce (NO is added3)3•9H2After 10 min of O ultrasound, 5% ammonium hydroxide and violent is slowly added dropwise
Stirring stops being added dropwise until pH is 4 or so；According to a same steps, by gained Ce sol impregnation in the glass for supporting silica solution
On fine carrier；After the completion of dipping, it is placed in Muffle furnace in 700 DEG C of 6 ~ 8 h of roasting, obtained glass carrier is denoted as CeM；
C. the preparation of Cu/CeM or Sn/CeM: CeM is immersed in metal front liquid solution, is placed in 50 DEG C of isothermal vibration devices
12 h after being then placed in Muffle kiln roasting, obtain Cu/CeM or Sn/CeM composite catalyst.
2. a kind of preparation method of anti-friction bearing according to claim 1, which is characterized in that Cu and Sn are in composite catalyst
In mass fraction be not higher than 3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545874.XA CN109487150A (en) | 2018-12-18 | 2018-12-18 | A kind of preparation method of anti-friction bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545874.XA CN109487150A (en) | 2018-12-18 | 2018-12-18 | A kind of preparation method of anti-friction bearing |
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| CN109487150A true CN109487150A (en) | 2019-03-19 |
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| CN201811545874.XA Pending CN109487150A (en) | 2018-12-18 | 2018-12-18 | A kind of preparation method of anti-friction bearing |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0464780A1 (en) * | 1990-07-04 | 1992-01-08 | Kubota Corporation | Abrasion-resistant cast iron material for rolling rolls and composite rolls |
| JPH06256888A (en) * | 1993-03-05 | 1994-09-13 | Kubota Corp | High-speed steel series cast iron containing graphite and composite roll |
| CN101248204A (en) * | 2005-08-24 | 2008-08-20 | 尤迪霍尔姆工具公司 | Steel alloy and tools or components manufactured out of the steel alloy |
| CN104674107A (en) * | 2014-12-26 | 2015-06-03 | 昆山迪赛斯恩模具设计有限公司 | Cast iron die material |
| CN108774695A (en) * | 2018-06-12 | 2018-11-09 | 界首市皖俊轴承有限公司 | A kind of preparation method of unleaded cupric bismuth-base alloy bearing |
-
2018
- 2018-12-18 CN CN201811545874.XA patent/CN109487150A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0464780A1 (en) * | 1990-07-04 | 1992-01-08 | Kubota Corporation | Abrasion-resistant cast iron material for rolling rolls and composite rolls |
| JPH06256888A (en) * | 1993-03-05 | 1994-09-13 | Kubota Corp | High-speed steel series cast iron containing graphite and composite roll |
| CN101248204A (en) * | 2005-08-24 | 2008-08-20 | 尤迪霍尔姆工具公司 | Steel alloy and tools or components manufactured out of the steel alloy |
| CN104674107A (en) * | 2014-12-26 | 2015-06-03 | 昆山迪赛斯恩模具设计有限公司 | Cast iron die material |
| CN108774695A (en) * | 2018-06-12 | 2018-11-09 | 界首市皖俊轴承有限公司 | A kind of preparation method of unleaded cupric bismuth-base alloy bearing |
Non-Patent Citations (1)
| Title |
|---|
| 何丹: "Cu-Ce玻纤蜂窝催化剂的制备及其催化燃烧VOCs性能研究", 《中国优秀硕士学位论文全文数据库•工程科技Ⅰ辑》 * |
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Application publication date: 20190319 |