CN106048440B - Bearing material - Google Patents
Bearing material Download PDFInfo
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- CN106048440B CN106048440B CN201610679121.2A CN201610679121A CN106048440B CN 106048440 B CN106048440 B CN 106048440B CN 201610679121 A CN201610679121 A CN 201610679121A CN 106048440 B CN106048440 B CN 106048440B
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- 239000000463 material Substances 0.000 title claims abstract description 65
- 239000000843 powder Substances 0.000 claims abstract description 64
- 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
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-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
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 229910003470 tongbaite Inorganic materials 0.000 claims abstract description 16
- 238000000227 grinding Methods 0.000 claims abstract description 15
- 238000002360 preparation method Methods 0.000 claims abstract description 14
- 229910052961 molybdenite Inorganic materials 0.000 claims abstract description 10
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims abstract description 10
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 229910052786 argon Inorganic materials 0.000 claims abstract description 8
- 239000011651 chromium Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 8
- 238000005245 sintering Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 description 10
- 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
- 238000001816 cooling Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- 230000001737 promoting effect Effects 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 present invention provides a kind of bearing material, and component is as follows：Based on 100 parts by weight, C0.68, Si0.50, Mn0.90, Cr1.3, Mo0.19, Ni9, MoS are taken214, W5, chromium carbide 7.5, P≤0.010, S≤0.010, surplus is Fe and inevitable impurity, and preparation method includes taking Si powder, and Mn powder, Cr powder, Mo powder, Ni powder, W powder, Fe powder is uniformly mixed, obtains metal powder；Take MoS2, C and chromium carbide, add in metal powder, be put into ball grinding cylinder and be ground, obtain mixture；Mixture plain bearing bush mold is taken in 1500kg/cm2Pressure push mold forming, obtain bearing shell blank；In the case where argon gas or nitrogen protective atmosphere enclose, bearing shell blank is taken to be sintered, sintering temperature is 1187 DEG C, heats up with the heating rate of 17 DEG C/min, 5 hours are kept the temperature after reaching set temperature；Bearing shell blank is taken to be cooled to room temperature rear surface processing to get bearing material.The present invention improves the performance of bearing material by the element wt and its content in reasonable combination bearing material.
Description
The application is application number 201510224551.0,05 day May 2015 applying date, denomination of invention " bearing material
The divisional application of preparation method ".
Technical field
The present invention relates to machinery manufacturing technology field more particularly to a kind of bearing materials.
Background technology
Bearing is the important spare part of contemporary mechanical equipment, and major function is the mechanical rotary body of support, reduces its movement
Friction coefficient in the process, and ensure its rotating accuracy.By the difference of motor element frictional property, bearing can be divided into rolling bearing
With two major class of sliding bearing.Wherein rolling bearing is normalized, seriation, but compared with sliding bearing its radial dimension,
Vibration and noise are larger, and price is also higher.Rolling bearing is generally made of outer ring, inner ring, rolling element and four part of retainer；It presses
The shape of rolling element, rolling bearing are divided into two major class of ball bearing and roller bearing.With the development of industry manufacture, bearing is wanted
Ask also higher and higher, it is desirable that bearing material Environmental Safety does not contain harmful components, and bearing material has high intensity, while bearing energy
Different environment and operating mode are enough adapted to, the ability with stress corrosion resistant and chemical attack.
Material in addition to considering bearing, bearing is also being gradually increased using the performance requirement of necessary lubricating oil.Profit
Lubricating oil to reduce friction, protection machinery and workpiece liquid or semisolid lubricants, mainly rise lubrication, cooling, antirust, clearly
The effects that clean, sealing and buffering, the dosage of petroleum oil account for total more than 90% dosage, and lubricating oil is mainly used for reducing movement portion
Friction between part surface, while there is cooling, sealing, anti-corrosion, antirust, insulation, power transmission, cleaning impurity etc. to machinery equipment
Effect.The most important performance of lubricating oil is viscosity, oxidation stability and lubricity, their close phases of composition with lube cut
It closes.Viscosity is to reflect the important quality index of lubricating oil flow.Different use conditions has different viscosity requirements.Heavy burden
The machinery of lotus and low velocity will select thick oil.Lubricity represents the Wear vesistance of lubricating oil.
Thus, bearing material how is selected, the lubricating oil that simultaneous selection is used cooperatively is used for promoting the whole of bearing
Performance has vital meaning.
Invention content
The brief overview about the present invention is given below, in order to provide the basic reason about certain aspects of the invention
Solution.It should be appreciated that this general introduction is not the exhaustive general introduction about the present invention.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 only provides certain concepts in simplified form, with
This is as the preamble in greater detail discussed later.
The present invention provides a kind of bearing material, and the component of bearing material is as follows：Based on 100 parts by weight, C0.68 is taken,
Si0.50, Mn0.90, Cr1.3, Mo0.19, Ni9, MoS214, W5, chromium carbide 7.5, P≤0.010, S≤0.010, surplus Fe
And inevitable impurity,
The preparation method of bearing material is made of following steps：
Step 1 takes Si powder, and Mn powder, Cr powder, Mo powder, Ni powder, W powder, Fe powder is uniformly mixed, obtains metal powder；
Step 2 takes MoS2, C and chromium carbide, add in metal powder obtained by step 1, be put into ball grinding cylinder and ground
Mill, obtains mixture；
Step 3 takes mixture plain bearing bush mold in 1500kg/cm2Pressure push mold forming, suppressed
Journey keeps the steady of pressure, and is kept for 3 hours, obtains bearing shell blank；
Step 4, in the case where argon gas or nitrogen protective atmosphere enclose, take bearing shell blank be sintered, sintering temperature be 1187 DEG C, with 17 DEG C/
The heating rate of min heats up, and 5 hours are kept the temperature after reaching set temperature；
Step 5, the bearing shell blank that step 4 is taken to obtain, is cooled to room temperature, removal surface oxide layer, progress surface grinding,
Deburring and chamfered are to get the bearing material.
Compared with prior art, the present invention has following advantageous effect：The present invention passes through in reasonable combination bearing material
Element wt and its content, improve the performance of bearing material, the bearing material prepared has extraordinary wear resistance
Can, 4 times or more can be improved than existing bearing life in the service life that 300 DEG C operate above, the energy is can be widely applied to, changes
In the heavy-duty machineries such as work, Ferrous Metallurgy equipment, while the high temperature resistance of bearing material can promote more than 42%, have and expect not
The technique effect arrived.
Specific embodiment
The embodiment of the present invention addressed below.The elements and features described in one embodiment of the invention can be with
It is combined with the elements and features shown in one or more other embodiments.It should be noted that it for purposes of clarity, says
The expression and description of component unrelated to the invention, known to persons of ordinary skill in the art and processing are omitted in bright.
Embodiment 1
The present embodiment is related to a kind of preparation method of bearing material, and the preparation method of the bearing material is by following steps group
Into：
Based on 100 parts by weight, C0.65, Si0.45, Mn0.8, Cr1.0, Mo0.15, Ni6, MoS are taken28, W2, chromium carbide 6,
P≤0.015, S≤0.015, surplus are Fe and inevitable impurity；
Step 1 takes Si powder, and Mn powder, Cr powder, Mo powder, Ni powder, W powder, Fe powder is uniformly mixed, obtains metal powder；
Step 2 takes MoS2, C and chromium carbide, add in metal powder obtained by step 1, be put into ball grinding cylinder and ground
Mill, obtains mixture；
Step 3 takes mixture plain bearing bush mold in 1300kg/cm2Pressure push mold forming, suppressed
Journey keeps the steady of pressure, and is kept for 2 hours, obtains bearing shell blank；
Step 4, in the case where argon gas or nitrogen protective atmosphere enclose, take bearing shell blank be sintered, sintering temperature be 1180 DEG C, with 15 DEG C/
The heating rate of min heats up, and 3 hours are kept the temperature after reaching set temperature；
Step 5, the bearing shell blank that step 4 is taken to obtain, is cooled to room temperature, removal surface oxide layer, progress surface grinding,
Deburring and chamfered are to get the 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 its contains
Amount, improves the performance of bearing material, and the bearing material prepared has extraordinary abrasion resistance properties, transported at 300 DEG C or more
Capable service life improves 4 times or more than existing bearing life, can be widely applied to the heavy types such as the energy, chemical industry, Ferrous Metallurgy
In mechanized equipment, while the high temperature resistance of bearing material promotes 30%, has unexpected technique effect.
Embodiment 2
The present embodiment is related to a kind of preparation method of bearing material, and the preparation method of the bearing material is by following steps group
Into：
Based on 100 parts by weight, C0.70, Si0.55, Mn0.95, Cr1.4, Mo0.2, Ni10, MoS are taken216, W6, chromium carbide
8, P≤0.012, S≤0.012, surplus are Fe and inevitable impurity；
Step 1 takes Si powder, and Mn powder, Cr powder, Mo powder, Ni powder, W powder, Fe powder is uniformly mixed, obtains metal powder；
Step 2 takes MoS2, C and chromium carbide, add in metal powder obtained by step 1, be put into ball grinding cylinder and ground
Mill, obtains mixture；
Step 3 takes mixture plain bearing bush mold in 1600kg/cm2Pressure push mold forming, suppressed
Journey keeps the steady of pressure, and is kept for 4 hours, obtains bearing shell blank；
Step 4, in the case where argon gas or nitrogen protective atmosphere enclose, take bearing shell blank be sintered, sintering temperature be 1190 DEG C, with 20 DEG C/
The heating rate of min heats up, and 5 hours are kept the temperature after reaching set temperature；
Step 5, the bearing shell blank that step 4 is taken to obtain, is cooled to room temperature, removal surface oxide layer, progress surface grinding,
Deburring and chamfered are to get the 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 its contains
Amount, improves the performance of bearing material, and the bearing material prepared has extraordinary abrasion resistance properties, transported at 300 DEG C or more
Capable service life improves 4 times or more than existing bearing life, can be widely applied to the heavy types such as the energy, chemical industry, Ferrous Metallurgy
In mechanized equipment, while the high temperature resistance of bearing material promotes 35%, has unexpected technique effect.
Embodiment 3
The present embodiment is related to a kind of preparation method of bearing material, and the preparation method of the bearing material is by following steps group
Into：
Based on 100 parts by weight, C0.66, Si0.48, Mn0.85, Cr1.1, Mo0.16, Ni7, MoS are taken210, W3, chromium carbide
6.5, P≤0.010, S≤0.010, surplus are Fe and inevitable impurity；
Step 1 takes Si powder, and Mn powder, Cr powder, Mo powder, Ni powder, W powder, Fe powder is uniformly mixed, obtains metal powder；
Step 2 takes MoS2, C and chromium carbide, add in metal powder obtained by step 1, be put into ball grinding cylinder and ground
Mill, obtains mixture；
Step 3 takes mixture plain bearing bush mold in 1500kg/cm2Pressure push mold forming, suppressed
Journey keeps the steady of pressure, and is kept for 3 hours, obtains bearing shell blank；
Step 4, in the case where argon gas or nitrogen protective atmosphere enclose, take bearing shell blank be sintered, sintering temperature be 1185 DEG C, with 16 DEG C/
The heating rate of min heats up, and 4 hours are kept the temperature after reaching set temperature；
Step 5, the bearing shell blank that step 4 is taken to obtain, is cooled to room temperature, removal surface oxide layer, progress surface grinding,
Deburring and chamfered are to get the 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 its contains
Amount, improves the performance of bearing material, and the bearing material prepared has extraordinary abrasion resistance properties, transported at 300 DEG C or more
Capable service life improves 5 times or more than existing bearing life, can be widely applied to the heavy types such as the energy, chemical industry, Ferrous Metallurgy
In mechanized equipment, while the high temperature resistance of bearing material promotes 43%, has unexpected technique effect.
Embodiment 4
The present embodiment is related to a kind of preparation method of bearing material, and the preparation method of the bearing material is by following steps group
Into：
Based on 100 parts by weight, C0.68, Si0.50, Mn0.90, Cr1.3, Mo0.19, Ni9, MoS are taken214, W5, chromium carbide
7.5, P≤0.010, S≤0.010, surplus are Fe and inevitable impurity；
Step 1 takes Si powder, and Mn powder, Cr powder, Mo powder, Ni powder, W powder, Fe powder is uniformly mixed, obtains metal powder；
Step 2 takes MoS2, C and chromium carbide, add in metal powder obtained by step 1, be put into ball grinding cylinder and ground
Mill, obtains mixture；
Step 3 takes mixture plain bearing bush mold in 1500kg/cm2Pressure push mold forming, suppressed
Journey keeps the steady of pressure, and is kept for 3 hours, obtains bearing shell blank；
Step 4, in the case where argon gas or nitrogen protective atmosphere enclose, take bearing shell blank be sintered, sintering temperature be 1187 DEG C, with 17 DEG C/
The heating rate of min heats up, and 5 hours are kept the temperature after reaching set temperature；
Step 5, the bearing shell blank that step 4 is taken to obtain, is cooled to room temperature, removal surface oxide layer, progress surface grinding,
Deburring and chamfered are to get the 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 its contains
Amount, improves the performance of bearing material, and the bearing material prepared has extraordinary abrasion resistance properties, transported at 300 DEG C or more
Capable service life improves 5 times or more than existing bearing life, can be widely applied to the heavy types such as the energy, chemical industry, Ferrous Metallurgy
In mechanized equipment, while the high temperature resistance of bearing material promotes 42%, has unexpected technique effect.
Embodiment 5
The present embodiment is related to a kind of preparation method of bearing material, and the preparation method of the bearing material is by following steps group
Into：
Based on 100 parts by weight, C0.67, Si0.49, Mn0.88, Cr1.2, Mo0.17, Ni8, MoS are taken212, W4, chromium carbide
7, P≤0.012, S≤0.012, surplus are Fe and inevitable impurity；
Step 1 takes Si powder, and Mn powder, Cr powder, Mo powder, Ni powder, W powder, Fe powder is uniformly mixed, obtains metal powder；
Step 2 takes MoS2, C and chromium carbide, add in metal powder obtained by step 1, be put into ball grinding cylinder and ground
Mill, obtains mixture；
Step 3 takes mixture plain bearing bush mold in 1550kg/cm2Pressure push mold forming, suppressed
Journey keeps the steady of pressure, and is kept for 3.5 hours, obtains bearing shell blank；
Step 4, in the case where argon gas or nitrogen protective atmosphere enclose, take bearing shell blank be sintered, sintering temperature be 1186 DEG C, with 17 DEG C/
The heating rate of min heats up, and 4.5 hours are kept the temperature after reaching set temperature；
Step 5, the bearing shell blank that step 4 is taken to obtain, is cooled to room temperature, removal surface oxide layer, progress surface grinding,
Deburring and chamfered are to get the 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 its contains
Amount, improves the performance of bearing material, and the bearing material prepared has extraordinary abrasion resistance properties, transported at 300 DEG C or more
Capable service life improves 6 times or more than existing bearing life, can be widely applied to the heavy types such as the energy, chemical industry, Ferrous Metallurgy
In mechanized equipment, while the high temperature resistance of bearing material promotes 48%, has unexpected technique effect.
It further, can be further it has been found that the bearing of the present invention is used cooperatively with the lubricating oil being formulated as follows
The performance of bearing is promoted, bearing oil is grouped as by each group of following parts by weight：
In conclusion the present invention improves bearing material by the element wt and its content in reasonable combination bearing material
The performance of material, the bearing material prepared have extraordinary abrasion resistance properties, in 300 DEG C of service lifes operated above than existing
Some bearing lives at least improve 4 times or more, can be widely applied in the heavy-duty machineries such as the energy, chemical industry, Ferrous Metallurgy equipment, together
When bearing material high temperature resistance can promote more than 30%, have unexpected technique effect.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic；
And these modification or replace, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (1)
1. a kind of bearing material, which is characterized in that the component of the bearing material is as follows：Based on 100 parts by weight, C0.68 is taken,
Si0.50, Mn0.90, Cr1.3, Mo0.19, Ni9, MoS214, W5, chromium carbide 7.5, P≤0.010, S≤0.010, surplus Fe
And inevitable impurity,
The preparation method of the bearing material is made of following steps：
Step 1 takes Si powder, and Mn powder, Cr powder, Mo powder, Ni powder, W powder, Fe powder is uniformly mixed, obtains metal powder；
Step 2 takes MoS2, C and chromium carbide, add in metal powder obtained by step 1, be put into ball grinding cylinder and be ground, obtain mixed
Close material；
Step 3 takes mixture plain bearing bush mold in 1500kg/cm2Pressure push mold forming, pressing process keep
Pressure it is steady, and keep 3 hours, obtain bearing shell blank；
Step 4 in the case where argon gas or nitrogen protective atmosphere enclose, takes bearing shell blank to be sintered, and sintering temperature is 1187 DEG C, with 17 DEG C/min
Heating rate heat up, keep the temperature 5 hours after reaching set temperature；
Step 5, the bearing shell blank that step 4 is taken to obtain, is cooled to room temperature, and removes surface oxide layer, carries out surface grinding, unhairing
Thorn and chamfered are to get the 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 |
|---|---|---|---|
| CN201510224551.0A CN104805349B (en) | 2015-05-05 | 2015-05-05 | The preparation method of bearing material |
| CN201610679121.2A CN106048440B (en) | 2015-05-05 | 2015-05-05 | 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 CN106048440A (en) | 2016-10-26 |
| CN106048440B true CN106048440B (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610679121.2A Active CN106048440B (en) | 2015-05-05 | 2015-05-05 | Bearing material |
| CN201510224551.0A Active CN104805349B (en) | 2015-05-05 | 2015-05-05 | The preparation method of bearing material |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510224551.0A Active CN104805349B (en) | 2015-05-05 | 2015-05-05 | The preparation method of bearing material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4380274B2 (en) * | 2003-09-10 | 2009-12-09 | 日立粉末冶金株式会社 | Method for producing ferrous copper-based sintered oil-impregnated bearing alloy |
| KR101240051B1 (en) * | 2006-11-20 | 2013-03-06 | 두산인프라코어 주식회사 | Bearing for improving a consume resisting and this manufacturing process |
| US20130017117A1 (en) * | 2009-11-30 | 2013-01-17 | Jfe Steel Corporation | Bearing steel |
| CN102094146B (en) * | 2010-12-03 | 2013-06-26 | 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 |
| WO2013141205A1 (en) * | 2012-03-19 | 2013-09-26 | Ntn株式会社 | Sintered metal bearing |
| CN103406532B (en) * | 2013-06-24 | 2016-02-17 | 安徽瑞林汽配有限公司 | A kind of car shaft-type component powder metallurgy material and preparation method thereof |
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| CN106048440A (en) | 2016-10-26 |
| CN104805349A (en) | 2015-07-29 |
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