CN106048440A - Bearing material - Google Patents
Bearing material Download PDFInfo
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- CN106048440A CN106048440A CN201610679121.2A CN201610679121A CN106048440A CN 106048440 A CN106048440 A CN 106048440A CN 201610679121 A CN201610679121 A CN 201610679121A CN 106048440 A CN106048440 A CN 106048440A
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- 239000000463 material Substances 0.000 title claims abstract description 67
- 239000000843 powder Substances 0.000 claims abstract description 50
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910052961 molybdenite Inorganic materials 0.000 claims abstract description 16
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims abstract description 16
- 238000005245 sintering Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 9
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052786 argon Inorganic materials 0.000 claims abstract description 8
- 238000000227 grinding Methods 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 8
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 14
- 229910003470 tongbaite Inorganic materials 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 8
- 239000011651 chromium Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract 2
- 238000002156 mixing Methods 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 238000009747 press moulding Methods 0.000 abstract 1
- 238000004381 surface treatment Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 239000010687 lubricating oil Substances 0.000 description 8
- 238000009851 ferrous metallurgy Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 230000032258 transport Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007789 sealing Methods 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1003—Use of special medium during sintering, e.g. sintering aid
- B22F3/1007—Atmosphere
-
- 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
- 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%
- C22C33/0292—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 more than 5% preformed carbides, nitrides or borides
-
- 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
- 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
- C22C38/12—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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention provides a bearing material, prepared from the following components as follows in 100 parts by weight: 0.68 part of C, 0.50 part of Si, 0.90 part of Mn, 1.3 parts of Cr, 0.19 part of Mo, 9 parts of Ni, 14 parts of MoS2, W5, 7.5 parts of C2Cr3, smaller than or equal to 0.010 part of P, smaller than or equal to 0.010 part of S and the balance of Fe and inevitable impurities. The preparing method comprises: taking Si powder, Mn powder, Cr powder, Mo powder, Ni powder, W powder and Fe powder and mixing uniformly to obtain metal powder; taking MoS2, C and C2Cr3, adding into the metal powder, and placing into a ball mill for grinding to obtain a mixed material; taking the mixed material, molding under the pressure of 1500kg/m<2> with a sliding bearing bush die in a press moulding manner to obtain a bearing bush blank; sintering the bearing bush blank in a protection atmosphere of argon or nitrogen at a sintering temperature of 1187 DEG C, rising the temperature in a temperature rising rate of 17 DEG C/min, and performing heat preservation for 5h after the set temperature is reached; and cooling the bearing bush blank to a room temperature, and then performing surface treatment to obtain the bearing material. The performances of the bearing material are improved by reasonably combining the weights and contents of the elements in the bearing material.
Description
The application is application number 201510224551.0, on 05 05th, 2015 applying date, denomination of invention " bearing material
Preparation method " divisional application.
Technical field
The present invention relates to machinery manufacturing technology field, particularly relate to a kind of bearing material.
Background technology
Bearing is the important spare part of plant equipment in the present age, and its major function is to support machinery rotary body, reduces its motion
During coefficient of friction, and ensure its rotating accuracy.By the difference of motor element frictional property, bearing can be divided into rolling bearing
Class big with sliding bearing two.Wherein rolling bearing is the most normalized, seriation, but compared with sliding bearing its radial dimension,
Vibration and noise are relatively big, and price is the highest.Rolling bearing is typically made up of outer ring, inner ring, rolling element and retainer four part；Press
The shape of rolling element, rolling bearing is divided into ball bearing and the big class of roller bearing two.The development manufactured along with industry, wants bearing
Asking more and more higher, it is desirable to bearing material Environmental Safety does not contains harmful components, bearing material has high intensity, simultaneously bearing energy
Enough adapt to different environment and operating mode, there is the ability of stress corrosion resistant and chemical attack.
Except considering the material of bearing, bearing use the performance requirement of necessary lubricating oil also gradually stepping up.Profit
Lubricating oil in order to reduce friction, protection machinery and the liquid of workpiece or semisolid lubricants, act primarily as lubrication, cooling, antirust, clear
Clean, seal and the effect such as buffering, the consumption of petroleum oil accounts for total consumption more than 90%, and lubricating oil is mainly used in reducing motion portion
Friction between part surface, has cooling, sealing, anticorrosion, antirust, insulation, power transmission simultaneously, cleans impurity etc. machinery equipment
Effect.The topmost performance of lubricating oil is viscosity, oxidation stability and lubricity, and they are close phase with the composition of lube cut
Close.Viscosity is the important quality index of reflection lubricating oil flow.Different use conditions has different viscosity requirement.Heavy burden
The machinery thick oil to be selected of lotus and low velocity.Lubricity represents the Wear vesistance of lubricating oil.
Thus, how to select bearing material, select simultaneously with the use of lubricating oil, for promoting the overall use of bearing
Performance has vital meaning.
Summary of the invention
Brief overview about the present invention given below, in order to the basic reason about certain aspects of the invention is provided
Solve.Should be appreciated that this general introduction is not that the exhaustive about the present invention is summarized.It is not intended to determine the key of the present invention
Or pith, nor is it intended to limit the scope of the present invention.Its purpose is only to provide some concept in simplified form, with
This is as the preamble in greater detail discussed after a while.
The present invention provides a kind of bearing material, and the component of bearing material is as follows: based on 100 weight portions, take C0.68,
Si0.50, Mn0.90, Cr1.3, Mo0.19, Ni9, MoS214, W5, chromium carbide 7.5, P≤0.010, S≤0.010, surplus is Fe
And inevitable impurity,
The preparation method of bearing material is made up of following steps:
Step one, takes Si powder, Mn powder, Cr powder, Mo powder, Ni powder, W powder, Fe powder, mix homogeneously, obtains metal dust；
Step 2, takes MoS2, C and chromium carbide, add in step one gained metal dust, put into ball grinding cylinder and grind
Mill, obtains compound；
Step 3, takes compound plain bearing bush mould at 1500kg/cm2Pressure dip mold molding, suppressed
Journey keeps the steady of pressure, and keeps 3 hours, it is thus achieved that bearing shell blank；
Step 4, under argon or nitrogen protective atmosphere enclose, take bearing shell blank sintering, sintering temperature is 1187 DEG C, with 17 DEG C/
The heating rate of min heats up, and is incubated 5 hours after reaching to arrange temperature；
Step 5, takes the bearing shell blank that step 4 obtains, and is cooled to room temperature, removes surface oxide layer, carry out surfacing,
Deburring and chamfered, obtain described bearing material.
Compared with prior art, the present invention has following beneficial effect: the present invention is by reasonable combination bearing material
Element wt and content, improve the performance of bearing material, the bearing material prepared has extraordinary mar proof
Can, more than 4 times can be improved 300 DEG C of service lifes operated above than existing bearing life, can be widely applied to the energy, change
In the heavy-duty machinery such as work, Ferrous Metallurgy equipment, the resistance to elevated temperatures of bearing material can promote more than 42% simultaneously, has and expects not
The technique effect arrived.
Detailed description of the invention
Embodiments of the invention addressed below.The element and the feature that describe in one embodiment of the invention are permissible
Combine with the element shown in one or more other embodiment and feature.It should be noted that, for purposes of clarity, say
Unrelated to the invention, parts known to persons of ordinary skill in the art and the expression of process and description is eliminated in bright.
Embodiment 1
The present embodiment relates to the preparation method of a kind of bearing material, and the preparation method of described bearing material is by following steps group
Become:
Based on 100 weight portions, take C0.65, Si0.45, Mn0.8, Cr1.0, Mo0.15, Ni6, MoS28, W2, chromium carbide 6,
P≤0.015, S≤0.015, surplus is Fe and inevitable impurity；
Step one, takes Si powder, Mn powder, Cr powder, Mo powder, Ni powder, W powder, Fe powder, mix homogeneously, obtains metal dust；
Step 2, takes MoS2, C and chromium carbide, add in step one gained metal dust, put into ball grinding cylinder and grind
Mill, obtains compound；
Step 3, takes compound plain bearing bush mould at 1300kg/cm2Pressure dip mold molding, suppressed
Journey keeps the steady of pressure, and keeps 2 hours, it is thus achieved that bearing shell blank；
Step 4, under argon or nitrogen protective atmosphere enclose, take bearing shell blank sintering, sintering temperature is 1180 DEG C, with 15 DEG C/
The heating rate of min heats up, and is incubated 3 hours after reaching to arrange temperature；
Step 5, takes the bearing shell blank that step 4 obtains, and is cooled to room temperature, removes surface oxide layer, carry out surfacing,
Deburring and chamfered, obtain described bearing material.
The implementation result of the present embodiment is as follows: the present invention is by the element wt in reasonable combination bearing material and contains
Amount, improves the performance of bearing material, and the bearing material prepared has extraordinary abrasion resistance properties, transports more than 300 DEG C
The service life of row improves more than 4 times than existing bearing life, can be widely applied to the heavy types such as the energy, chemical industry, Ferrous Metallurgy
In mechanized equipment, the resistance to elevated temperatures of bearing material promotes 30% simultaneously, has beyond thought technique effect.
Embodiment 2
The present embodiment relates to the preparation method of a kind of bearing material, and the preparation method of described bearing material is by following steps group
Become:
Based on 100 weight portions, take C0.70, Si0.55, Mn0.95, Cr1.4, Mo0.2, Ni10, MoS216, W6, chromium carbide
8, P≤0.012, S≤0.012, surplus is Fe and inevitable impurity；
Step one, takes Si powder, Mn powder, Cr powder, Mo powder, Ni powder, W powder, Fe powder, mix homogeneously, obtains metal dust；
Step 2, takes MoS2, C and chromium carbide, add in step one gained metal dust, put into ball grinding cylinder and grind
Mill, obtains compound；
Step 3, takes compound plain bearing bush mould at 1600kg/cm2Pressure dip mold molding, suppressed
Journey keeps the steady of pressure, and keeps 4 hours, it is thus achieved that bearing shell blank；
Step 4, under argon or nitrogen protective atmosphere enclose, take bearing shell blank sintering, sintering temperature is 1190 DEG C, with 20 DEG C/
The heating rate of min heats up, and is incubated 5 hours after reaching to arrange temperature；
Step 5, takes the bearing shell blank that step 4 obtains, and is cooled to room temperature, removes surface oxide layer, carry out surfacing,
Deburring and chamfered, obtain described bearing material.
The implementation result of the present embodiment is as follows: the present invention is by the element wt in reasonable combination bearing material and contains
Amount, improves the performance of bearing material, and the bearing material prepared has extraordinary abrasion resistance properties, transports more than 300 DEG C
The service life of row improves more than 4 times than existing bearing life, can be widely applied to the heavy types such as the energy, chemical industry, Ferrous Metallurgy
In mechanized equipment, the resistance to elevated temperatures of bearing material promotes 35% simultaneously, has beyond thought technique effect.
Embodiment 3
The present embodiment relates to the preparation method of a kind of bearing material, and the preparation method of described bearing material is by following steps group
Become:
Based on 100 weight portions, take C0.66, Si0.48, Mn0.85, Cr1.1, Mo0.16, Ni7, MoS210, W3, chromium carbide
6.5, P≤0.010, S≤0.010, surplus is Fe and inevitable impurity；
Step one, takes Si powder, Mn powder, Cr powder, Mo powder, Ni powder, W powder, Fe powder, mix homogeneously, obtains metal dust；
Step 2, takes MoS2, C and chromium carbide, add in step one gained metal dust, put into ball grinding cylinder and grind
Mill, obtains compound；
Step 3, takes compound plain bearing bush mould at 1500kg/cm2Pressure dip mold molding, suppressed
Journey keeps the steady of pressure, and keeps 3 hours, it is thus achieved that bearing shell blank；
Step 4, under argon or nitrogen protective atmosphere enclose, take bearing shell blank sintering, sintering temperature is 1185 DEG C, with 16 DEG C/
The heating rate of min heats up, and is incubated 4 hours after reaching to arrange temperature；
Step 5, takes the bearing shell blank that step 4 obtains, and is cooled to room temperature, removes surface oxide layer, carry out surfacing,
Deburring and chamfered, obtain described bearing material.
The implementation result of the present embodiment is as follows: the present invention is by the element wt in reasonable combination bearing material and contains
Amount, improves the performance of bearing material, and the bearing material prepared has extraordinary abrasion resistance properties, transports more than 300 DEG C
The service life of row improves more than 5 times than existing bearing life, can be widely applied to the heavy types such as the energy, chemical industry, Ferrous Metallurgy
In mechanized equipment, the resistance to elevated temperatures of bearing material promotes 43% simultaneously, has beyond thought technique effect.
Embodiment 4
The present embodiment relates to the preparation method of a kind of bearing material, and the preparation method of described bearing material is by following steps group
Become:
Based on 100 weight portions, take C0.68, Si0.50, Mn0.90, Cr1.3, Mo0.19, Ni9, MoS214, W5, chromium carbide
7.5, P≤0.010, S≤0.010, surplus is Fe and inevitable impurity；
Step one, takes Si powder, Mn powder, Cr powder, Mo powder, Ni powder, W powder, Fe powder, mix homogeneously, obtains metal dust；
Step 2, takes MoS2, C and chromium carbide, add in step one gained metal dust, put into ball grinding cylinder and grind
Mill, obtains compound；
Step 3, takes compound plain bearing bush mould at 1500kg/cm2Pressure dip mold molding, suppressed
Journey keeps the steady of pressure, and keeps 3 hours, it is thus achieved that bearing shell blank；
Step 4, under argon or nitrogen protective atmosphere enclose, take bearing shell blank sintering, sintering temperature is 1187 DEG C, with 17 DEG C/
The heating rate of min heats up, and is incubated 5 hours after reaching to arrange temperature；
Step 5, takes the bearing shell blank that step 4 obtains, and is cooled to room temperature, removes surface oxide layer, carry out surfacing,
Deburring and chamfered, obtain described bearing material.
The implementation result of the present embodiment is as follows: the present invention is by the element wt in reasonable combination bearing material and contains
Amount, improves the performance of bearing material, and the bearing material prepared has extraordinary abrasion resistance properties, transports more than 300 DEG C
The service life of row improves more than 5 times than existing bearing life, can be widely applied to the heavy types such as the energy, chemical industry, Ferrous Metallurgy
In mechanized equipment, the resistance to elevated temperatures of bearing material promotes 42% simultaneously, has beyond thought technique effect.
Embodiment 5
The present embodiment relates to the preparation method of a kind of bearing material, and the preparation method of described bearing material is by following steps group
Become:
Based on 100 weight portions, take C0.67, Si0.49, Mn0.88, Cr1.2, Mo0.17, Ni8, MoS212, W4, chromium carbide
7, P≤0.012, S≤0.012, surplus is Fe and inevitable impurity；
Step one, takes Si powder, Mn powder, Cr powder, Mo powder, Ni powder, W powder, Fe powder, mix homogeneously, obtains metal dust；
Step 2, takes MoS2, C and chromium carbide, add in step one gained metal dust, put into ball grinding cylinder and grind
Mill, obtains compound；
Step 3, takes compound plain bearing bush mould at 1550kg/cm2Pressure dip mold molding, suppressed
Journey keeps the steady of pressure, and keeps 3.5 hours, it is thus achieved that bearing shell blank；
Step 4, under argon or nitrogen protective atmosphere enclose, take bearing shell blank sintering, sintering temperature is 1186 DEG C, with 17 DEG C/
The heating rate of min heats up, and is incubated 4.5 hours after reaching to arrange temperature；
Step 5, takes the bearing shell blank that step 4 obtains, and is cooled to room temperature, removes surface oxide layer, carry out surfacing,
Deburring and chamfered, obtain described bearing material.
The implementation result of the present embodiment is as follows: the present invention is by the element wt in reasonable combination bearing material and contains
Amount, improves the performance of bearing material, and the bearing material prepared has extraordinary abrasion resistance properties, transports more than 300 DEG C
The service life of row improves more than 6 times than existing bearing life, can be widely applied to the heavy types such as the energy, chemical industry, Ferrous Metallurgy
In mechanized equipment, the resistance to elevated temperatures of bearing material promotes 48% simultaneously, has beyond thought technique effect.
Further, it has been found that the lubricating oil of the bearing of the present invention and following formula with the use of, it is possible to further
Promoting the serviceability of bearing, bearing oil is made up of each component of following parts by weight:
In sum, the present invention, by the element wt in reasonable combination bearing material and content thereof, improves bearing material
The performance of material, the bearing material prepared has extraordinary abrasion resistance properties, existing at 300 DEG C of ratios in service life operated above
Some bearing lives at least improve more than 4 times, can be widely applied in the heavy-duty machinery equipments such as the energy, chemical industry, Ferrous Metallurgy, with
Time bearing material resistance to elevated temperatures can promote more than 30%, there is beyond thought technique effect.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent；
And these amendment or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (1)
1. a bearing material, it is characterised in that the component of described bearing material is as follows: based on 100 weight portions, take C0.68,
Si0.50, Mn0.90, Cr1.3, Mo0.19, Ni9, MoS214, W5, chromium carbide 7.5, P≤0.010, S≤0.010, surplus is Fe
And inevitable impurity,
The preparation method of described bearing material is made up of following steps:
Step one, takes Si powder, Mn powder, Cr powder, Mo powder, Ni powder, W powder, Fe powder, mix homogeneously, obtains metal dust；
Step 2, takes MoS2, C and chromium carbide, add in step one gained metal dust, put into ball grinding cylinder and be ground, obtain mixed
Close material；
Step 3, takes compound plain bearing bush mould at 1500kg/cm2Pressure dip mold molding, pressing process keep
Pressure steady, and keep 3 hours, it is thus achieved that bearing shell blank；
Step 4, under argon or nitrogen protective atmosphere enclose, takes bearing shell blank sintering, and sintering temperature is 1187 DEG C, with 17 DEG C/min
Heating rate heat up, be incubated 5 hours after reaching to arrange temperature；
Step 5, takes the bearing shell blank that step 4 obtains, and is cooled to room temperature, removes surface oxide layer, carries out surfacing, unhairing
Thorn and chamfered, obtain described bearing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610679121.2A CN106048440B (en) | 2015-05-05 | 2015-05-05 | Bearing material |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610679121.2A CN106048440B (en) | 2015-05-05 | 2015-05-05 | Bearing material |
| CN201510224551.0A CN104805349B (en) | 2015-05-05 | 2015-05-05 | The preparation method of bearing material |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510224551.0A Division CN104805349B (en) | 2015-05-05 | 2015-05-05 | The preparation method of bearing material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106048440A true CN106048440A (en) | 2016-10-26 |
| CN106048440B CN106048440B (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510224551.0A Active CN104805349B (en) | 2015-05-05 | 2015-05-05 | The preparation method of bearing material |
| CN201610679121.2A Active CN106048440B (en) | 2015-05-05 | 2015-05-05 | Bearing material |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510224551.0A Active CN104805349B (en) | 2015-05-05 | 2015-05-05 | The preparation method of bearing material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107287486A (en) * | 2017-06-28 | 2017-10-24 | 重庆市金渝管道设备有限公司 | A kind of manufacture craft for prolonging long-life valve material |
| CN107523747A (en) * | 2017-09-04 | 2017-12-29 | 蒋俊 | A kind of bearing outer ring or interior loop material and preparation method thereof |
| CN107604264A (en) * | 2017-09-05 | 2018-01-19 | 宁波名古屋工业有限公司 | Cooling water pipe of engine and its preparation technology |
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| CN106086667A (en) * | 2016-05-31 | 2016-11-09 | 安徽潜山轴承制造有限公司 | A kind of corrosion-resistant stamping resistance bearing and preparation method thereof |
| CN105908102A (en) * | 2016-05-31 | 2016-08-31 | 安徽潜山轴承制造有限公司 | Preparation method for high-strength and wear-resistant bearing |
| CN106041096A (en) * | 2016-06-27 | 2016-10-26 | 滁州帝邦科技有限公司 | Preparation method for wear-resisting and corrosion-resisting bearing bush for water-cooling box |
| CN108774704A (en) * | 2018-06-28 | 2018-11-09 | 刘磊 | A kind of high intensity bearing material and preparation method thereof |
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| CN102094146A (en) * | 2010-12-03 | 2011-06-15 | 无锡润鹏复合新材料有限公司 | Novel high-temperature resistant self-lubricating sliding bearing material and preparation method thereof |
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| CN107287486A (en) * | 2017-06-28 | 2017-10-24 | 重庆市金渝管道设备有限公司 | A kind of manufacture craft for prolonging long-life valve material |
| CN107523747A (en) * | 2017-09-04 | 2017-12-29 | 蒋俊 | A kind of bearing outer ring or interior loop material and preparation method thereof |
| CN107604264A (en) * | 2017-09-05 | 2018-01-19 | 宁波名古屋工业有限公司 | Cooling water pipe of engine and its preparation technology |
| CN107604264B (en) * | 2017-09-05 | 2021-11-30 | 宁波名古屋工业有限公司 | Engine cooling water pipe and preparation process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106048440B (en) | 2018-06-08 |
| CN104805349A (en) | 2015-07-29 |
| CN104805349B (en) | 2016-09-07 |
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