CN106041096A - Preparation method for wear-resisting and corrosion-resisting bearing bush for water-cooling box - Google Patents

Preparation method for wear-resisting and corrosion-resisting bearing bush for water-cooling box Download PDF

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Publication number
CN106041096A
CN106041096A CN201610476932.2A CN201610476932A CN106041096A CN 106041096 A CN106041096 A CN 106041096A CN 201610476932 A CN201610476932 A CN 201610476932A CN 106041096 A CN106041096 A CN 106041096A
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Prior art keywords
cooling box
housing
cover
water cooling
preparation
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CN201610476932.2A
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Inventor
梁晓
杨正超
沙思延
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CHUZHOU DIBANG TECHNOLOGY Co Ltd
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CHUZHOU DIBANG TECHNOLOGY Co Ltd
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Priority to CN201610476932.2A priority Critical patent/CN106041096A/en
Publication of CN106041096A publication Critical patent/CN106041096A/en
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    • 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
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/006—Making ferrous alloys compositions used for making ferrous alloys
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Sliding-Contact Bearings (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention discloses a preparation method for a wear-resisting and corrosion-resisting bearing bush for a water-cooling box. The preparation method comprises the following steps: S1, uniformly mixing silicon powder, manganese powder, chromium powder, titanium powder, nickel powder and iron powder to obtain metal powder; S2, adding molybdenum disulfide, chromium carbide, tungsten carbide and silicon nitride into the metal powder obtained in S1 to obtain a mixture I, placing the mixture I in a ball milling barrel, and milling the mixture I to obtain a mixture II; S3, performing compression molding of the mixture II in S2 with a plain bearing bush mold and keeping stable pressure during the compression molding process to obtain a bearing bush blank; S4,taking out the bearing bush blank, sintering the bearing bush blank in an argon or nitrogen protection atmosphere, and performing heating and heat preservation; and S5, taking out the bearing bush blank obtained in S4, cooling the bearing bush blank to room temperature, removing a surface oxide layer, and performing surface grinding, deburring and chamfering treatment to obtain the wear-resisting and corrosion-resisting bearing bush for the water-cooling box. The bearing bush prepared according to the preparation method has excellent wear-resisting and corrosion-resisting properties.

Description

A kind of water cooling box wear resistant corrosion resistant bearing holder (housing, cover) preparation method
Technical field
The present invention relates to the preparation method of a kind of bearing holder (housing, cover), particularly relate to a kind of water cooling box wear resistant corrosion resistant bearing holder (housing, cover) system Preparation Method.
Background technology
Bearing holder (housing, cover) protection power transmission shaft, is difficult to maintenance for some, dismantles or be worth higher power transmission shaft, in order to protect transmission Axle is the most frayed, in the design process can outside axle mounting sleeve, then on axle sleeve install bearing, it is simple to installation, maintenance.
The internal bearing holder (housing, cover) used of water cooling box is in high friction and high corrosive environment, for a long time therefore in water cooling box Wear-resisting and the decay resistance of the bearing holder (housing, cover) used requires the highest, when bearing holder (housing, cover) of the prior art cannot meet actually used Demand.
Summary of the invention
For solving technical problem present in background technology, the present invention proposes a kind of water cooling box wear resistant corrosion resistant bearing holder (housing, cover) Preparation method, preparation method is simple, and the bearing holder (housing, cover) of gained has the wear-resisting and decay resistance of excellence.
A kind of water cooling box wear resistant corrosion resistant bearing holder (housing, cover) preparation method that the present invention proposes, comprises the steps:
S1, by silica flour, manganese powder, chromium powder, titanium valve, nikel powder and iron powder mix homogeneously, obtain metal dust；
S2, by molybdenum bisuphide, chromium carbide, tungsten carbide and silicon nitride, add in S1 gained metal dust, put into ball grinding cylinder It is ground, obtains compound；
S3, by the compound in S2 with plain bearing bush mould at 1100-1300kg/cm2Pressure dip mold molding, Pressing process keeps the steady of pressure, and keeps 5-10h, it is thus achieved that bearing shell blank；
S4, under argon or nitrogen protective atmosphere enclose, take bearing shell blank sintering, sintering temperature is 1020-1130 DEG C, with 20- The heating rate of 50 DEG C/min is warming up to 1250-1350 DEG C, is incubated 5-10 hour；
S5, take the bearing shell blank that step 4 obtains, be cooled to room temperature, remove surface oxide layer, carry out surfacing, unhairing Thorn and chamfered, obtain described water cooling box wear resistant corrosion resistant bearing holder (housing, cover).
Preferably, the component of the material of described water cooling box wear resistant corrosion resistant bearing holder (housing, cover) is as follows: C 0.65-0.70%, Si 0.45-0.55%, Mn 0.8-0.95%, Cr 1.0-1.4%, Mo 0.15-0.20%, Ni 6- 10%, W 2-6%, V 0.10-0.30%, B 0.003-0.006%, Ti 0.01-0.05%, Mn≤1.0%, Si≤ 0.4%, P≤0.015%, S≤0.015%, surplus is Fe and inevitable impurity.
Preferably, the component of the material of described water cooling box wear resistant corrosion resistant bearing holder (housing, cover) is as follows: C 0.66-0.69%, Si 0.46-0.54%, Mn 0.81-0.94%, Cr 1.1-1.3%, Mo 0.16-0.19%, Ni 7- 9%, W 3-5%, V 0.15-0.25%, B 0.004-0.005%, Ti 0.02-0.04%, Mn≤0.9%, Si≤0.3%, P≤0.014%, S≤0.014%, surplus is Fe and inevitable impurity.
Preferably, the component of the material of described water cooling box wear resistant corrosion resistant bearing holder (housing, cover) is as follows: C 0.675%, Si 0.5%, Mn 0.875%, Cr 1.2%, Mo 0.175%, Ni 8%, W 4%, V 0.2%, B 0.0045%, Ti 0.03%, Mn 0.9%, Si 0.3%, P 0.014%, S 0.014%, surplus is Fe and inevitable Impurity.
Preferably, the pressure in S3 is 1150-1250kg/cm2, the time of holding is 6-9h.
Preferably, the pressure in S3 is 1200kg/cm2, the time of holding is 7.5h.
Preferably, in S4, sintering temperature is 1030-1120 DEG C, and heating rate is 25-45 DEG C/min, and the time of insulation is 6-9 hour.
Preferably, in S4, sintering temperature is 1070 DEG C, and heating rate is 35 DEG C/min, and the time of insulation is 7.5 hours.
A kind of water cooling box wear resistant corrosion resistant bearing holder (housing, cover) preparation method of the present invention, first by silica flour, manganese powder, chromium powder, titanium Powder, nikel powder and iron powder mix homogeneously, obtain metal dust, then by molybdenum bisuphide, chromium carbide, tungsten carbide and silicon nitride, adds institute Obtain in metal dust, put into ball grinding cylinder and be ground, obtain compound, then by compound plain bearing bush mould pressing mold Molding, pressing process keeps the steady of pressure, it is thus achieved that bearing shell blank, then under argon or nitrogen protective atmosphere enclose, takes bearing shell hair Base sinters the bearing shell blank obtained, and is cooled to room temperature, removes surface oxide layer, carries out surfacing, deburring and chamfered, Obtain described water cooling box wear resistant corrosion resistant bearing holder (housing, cover).The preparation method of the present invention is simple to operation, and the water cooling box obtained is with resistance to The anti-wear performance of mill corrosion resisting bearing set is good, and has the decay resistance of excellence.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail, it should be appreciated that embodiment is served only for this is described Bright rather than be used for limiting the invention, any made on the basis of the present invention amendment, equivalent etc. is all at this In bright protection domain.
Embodiment 1
A kind of water cooling box wear resistant corrosion resistant bearing holder (housing, cover) preparation method that the present invention proposes, comprises the steps:
S1, by silica flour, manganese powder, chromium powder, titanium valve, nikel powder and iron powder mix homogeneously, obtain metal dust；
S2, by molybdenum bisuphide, chromium carbide, tungsten carbide and silicon nitride, add in S1 gained metal dust, put into ball grinding cylinder It is ground, obtains compound；
S3, by the compound in S2 with plain bearing bush mould at 1200kg/cm2Pressure dip mold molding, compacting Process keeps the steady of pressure, and keeps 7.5h, it is thus achieved that bearing shell blank；
S4, under argon or nitrogen protective atmosphere enclose, take bearing shell blank sintering, sintering temperature is 1075 DEG C, with 35 DEG C/min Heating rate be warming up to 1300 DEG C, be incubated 7.5 hours；
S5, take the bearing shell blank that step 4 obtains, be cooled to room temperature, remove surface oxide layer, carry out surfacing, unhairing Thorn and chamfered, obtain described water cooling box wear resistant corrosion resistant bearing holder (housing, cover).
The component of the material of water cooling box wear resistant corrosion resistant bearing holder (housing, cover) is as follows: C 0.675%, Si 0.5%, Mn 0.875%, Cr 1.2%, Mo 0.175%, Ni 8%, W 4%, V 0.2%, B 0.0045%, Ti 0.03%, Mn 0.9%, Si 0.3%, P 0.014%, S 0.014%, surplus is Fe and inevitable impurity.
Embodiment 2
A kind of water cooling box wear resistant corrosion resistant bearing holder (housing, cover) preparation method that the present invention proposes, comprises the steps:
S1, by silica flour, manganese powder, chromium powder, titanium valve, nikel powder and iron powder mix homogeneously, obtain metal dust；
S2, by molybdenum bisuphide, chromium carbide, tungsten carbide and silicon nitride, add in S1 gained metal dust, put into ball grinding cylinder It is ground, obtains compound；
S3, by the compound in S2 with plain bearing bush mould at 1100kg/cm2Pressure dip mold molding, compacting Process keeps the steady of pressure, and keeps 10h, it is thus achieved that bearing shell blank；
S4, under argon or nitrogen protective atmosphere enclose, take bearing shell blank sintering, sintering temperature is 1020 DEG C, with 50 DEG C/min Heating rate be warming up to 1250 DEG C, be incubated 5 hours；
S5, take the bearing shell blank that step 4 obtains, be cooled to room temperature, remove surface oxide layer, carry out surfacing, unhairing Thorn and chamfered, obtain described water cooling box wear resistant corrosion resistant bearing holder (housing, cover).
The component of the material of water cooling box wear resistant corrosion resistant bearing holder (housing, cover) is as follows: C 0.65%, Si 0.55%, Mn 0.8%, Cr 1.4%, Mo 0.15%, Ni10%, W 2%, V 0.30%, B 0.003%, Ti 0.05%, Mn 1.0%, Si 0.4%, P 0.015%, S 0.015%, surplus is Fe and inevitable impurity.
Embodiment 3
A kind of water cooling box wear resistant corrosion resistant bearing holder (housing, cover) preparation method that the present invention proposes, comprises the steps:
S1, by silica flour, manganese powder, chromium powder, titanium valve, nikel powder and iron powder mix homogeneously, obtain metal dust；
S2, by molybdenum bisuphide, chromium carbide, tungsten carbide and silicon nitride, add in S1 gained metal dust, put into ball grinding cylinder It is ground, obtains compound；
S3, by the compound in S2 with plain bearing bush mould at 1300kg/cm2Pressure dip mold molding, compacting Process keeps the steady of pressure, and keeps 5h, it is thus achieved that bearing shell blank；
S4, under argon or nitrogen protective atmosphere enclose, take bearing shell blank sintering, sintering temperature is 1130 DEG C, with 20 DEG C/min Heating rate be warming up to 1350 DEG C, be incubated 10 hours；
S5, take the bearing shell blank that step 4 obtains, be cooled to room temperature, remove surface oxide layer, carry out surfacing, unhairing Thorn and chamfered, obtain described water cooling box wear resistant corrosion resistant bearing holder (housing, cover).
The component of the material of water cooling box wear resistant corrosion resistant bearing holder (housing, cover) is as follows: C 0.70%, Si 0.45%, Mn 0.95%, Cr 1.0%, Mo 0.20%, Ni 6%, W 6%, V 0.10%, B 0.006%, Ti 0.01%, Mn 1.0%, Si 0.4%, P 0.015%, S 0.015%, surplus is Fe and inevitable impurity.
Embodiment 4
A kind of water cooling box wear resistant corrosion resistant bearing holder (housing, cover) preparation method that the present invention proposes, comprises the steps:
S1, by silica flour, manganese powder, chromium powder, titanium valve, nikel powder and iron powder mix homogeneously, obtain metal dust；
S2, by molybdenum bisuphide, chromium carbide, tungsten carbide and silicon nitride, add in S1 gained metal dust, put into ball grinding cylinder It is ground, obtains compound；
S3, by the compound in S2 with plain bearing bush mould at 1150kg/cm2Pressure dip mold molding, compacting Process keeps the steady of pressure, and keeps 9h, it is thus achieved that bearing shell blank；
S4, under argon or nitrogen protective atmosphere enclose, take bearing shell blank sintering, sintering temperature is 1030 DEG C, with 45 DEG C/min Heating rate be warming up to 1280 DEG C, be incubated 6 hours；
S5, take the bearing shell blank that step 4 obtains, be cooled to room temperature, remove surface oxide layer, carry out surfacing, unhairing Thorn and chamfered, obtain described water cooling box wear resistant corrosion resistant bearing holder (housing, cover).
The component of the material of water cooling box wear resistant corrosion resistant bearing holder (housing, cover) is as follows: C 0.66%, Si 0.54%, Mn 0.81%, Cr 1.3%, Mo 0.19%, Ni 7%, W 5%, V 0.15%, B 0.005%, Ti 0.02%, Mn 0.9%, Si 0.3%, P 0.014%, S 0.014%, surplus is Fe and inevitable impurity.
Embodiment 5
A kind of water cooling box wear resistant corrosion resistant bearing holder (housing, cover) preparation method that the present invention proposes, comprises the steps:
S1, by silica flour, manganese powder, chromium powder, titanium valve, nikel powder and iron powder mix homogeneously, obtain metal dust；
S2, by molybdenum bisuphide, chromium carbide, tungsten carbide and silicon nitride, add in S1 gained metal dust, put into ball grinding cylinder It is ground, obtains compound；
S3, by the compound in S2 with plain bearing bush mould at 1250kg/cm2Pressure dip mold molding, compacting Process keeps the steady of pressure, and keeps 6h, it is thus achieved that bearing shell blank；
S4, under argon or nitrogen protective atmosphere enclose, take bearing shell blank sintering, sintering temperature is 1120 DEG C, with 25 DEG C/min Heating rate be warming up to 1320 DEG C, be incubated 9 hours；
S5, take the bearing shell blank that step 4 obtains, be cooled to room temperature, remove surface oxide layer, carry out surfacing, unhairing Thorn and chamfered, obtain described water cooling box wear resistant corrosion resistant bearing holder (housing, cover).
The component of the material of water cooling box wear resistant corrosion resistant bearing holder (housing, cover) is as follows: C 0.69%, Si 0.46%, Mn 0.94%, Cr 1.1%, Mo 0.19%, Ni 7%, W 5%, V 0.15%, B 0.005%, Ti 0.02%, Mn 0.9%, Si 0.3%, P 0.014%, S 0.014%, surplus is Fe and inevitable impurity.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.

Claims (8)

1. a water cooling box wear resistant corrosion resistant bearing holder (housing, cover) preparation method, it is characterised in that comprise the steps:
S1, by silica flour, manganese powder, chromium powder, titanium valve, nikel powder and iron powder mix homogeneously, obtain metal dust；
S2, by molybdenum bisuphide, chromium carbide, tungsten carbide and silicon nitride, add in S1 gained metal dust, put into ball grinding cylinder and carry out Grind, obtain compound；
S3, by the compound in S2 with plain bearing bush mould at 1100-1300kg/cm2Pressure dip mold molding, compacting Process keeps the steady of pressure, and keeps 5-10h, it is thus achieved that bearing shell blank；
S4, under argon or nitrogen protective atmosphere enclose, take bearing shell blank sintering, sintering temperature is 1020-1130 DEG C, with 20-50 DEG C/ The heating rate of min is warming up to 1250-1350 DEG C, is incubated 5-10 hour；
S5, take the bearing shell blank that step 4 obtains, be cooled to room temperature, remove surface oxide layer, carry out surfacing, deburring and Chamfered, obtains described water cooling box wear resistant corrosion resistant bearing holder (housing, cover).
Water cooling box wear resistant corrosion resistant bearing holder (housing, cover) preparation method the most according to claim 1, it is characterised in that described water-cooled The component of the material of case wear resistant corrosion resistant bearing holder (housing, cover) is as follows: C 0.65-0.70%, Si 0.45- 0.55%, Mn 0.8-0.95%, Cr 1.0-1.4%, Mo 0.15-0.20%, Ni 6-10%, W 2-6%, V 0.10- 0.30%, B 0.003-0.006%, Ti 0.01-0.05%, Mn≤1.0%, Si≤0.4%, P≤0.015%, S≤ 0.015%, surplus is Fe and inevitable impurity.
Water cooling box wear resistant corrosion resistant bearing holder (housing, cover) preparation method the most according to claim 1 and 2, it is characterised in that described The component of the material of water cooling box wear resistant corrosion resistant bearing holder (housing, cover) is as follows: C 0.66-0.69%, Si 0.46- 0.54%, Mn 0.81-0.94%, Cr 1.1-1.3%, Mo 0.16-0.19%, Ni 7-9%, W 3-5%, V 0.15- 0.25%, B 0.004-0.005%, Ti 0.02-0.04%, Mn≤0.9%, Si≤0.3%, P≤0.014%, S≤ 0.014%, surplus is Fe and inevitable impurity.
4. according to the wear resistant corrosion resistant bearing holder (housing, cover) preparation method of the water cooling box described in any one of claim 1-3, it is characterised in that The component of the material of described water cooling box wear resistant corrosion resistant bearing holder (housing, cover) is as follows: C 0.675%, Si 0.5%, Mn 0.875%, Cr 1.2%, Mo 0.175%, Ni 8%, W 4%, V 0.2%, B 0.0045%, Ti 0.03%, Mn 0.9%, Si 0.3%, P 0.014%, S 0.014%, surplus is Fe and inevitable impurity.
5. according to the wear resistant corrosion resistant bearing holder (housing, cover) preparation method of the water cooling box described in any one of claim 1-4, it is characterised in that Pressure in S3 is 1150-1250kg/cm2, the time of holding is 6-9h.
6. according to the wear resistant corrosion resistant bearing holder (housing, cover) preparation method of the water cooling box described in any one of claim 1-5, it is characterised in that Pressure in S3 is 1200kg/cm2, the time of holding is 7.5h.
7. according to the wear resistant corrosion resistant bearing holder (housing, cover) preparation method of the water cooling box described in any one of claim 1-6, it is characterised in that In S4, sintering temperature is 1030-1120 DEG C, and heating rate is 25-45 DEG C/min, and the time of insulation is 6-9 hour.
8. according to the wear resistant corrosion resistant bearing holder (housing, cover) preparation method of the water cooling box described in any one of claim 1-7, it is characterised in that In S4, sintering temperature is 1070 DEG C, and heating rate is 35 DEG C/min, and the time of insulation is 7.5 hours.
CN201610476932.2A 2016-06-27 2016-06-27 Preparation method for wear-resisting and corrosion-resisting bearing bush for water-cooling box Pending CN106041096A (en)

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CN106967919A (en) * 2017-04-28 2017-07-21 柳州聚龙科技有限公司 The preparation method of bearing insert
CN107267885A (en) * 2017-05-18 2017-10-20 苏州艾盾合金材料有限公司 A kind of ferrous alloy twin-screw Integral alloy bushing and preparation method thereof
CN107287532A (en) * 2017-06-29 2017-10-24 浙江创特新材科技有限公司 A kind of high-strength stainless steel powdered metallurgical material and preparation method thereof
CN107523747A (en) * 2017-09-04 2017-12-29 蒋俊 A kind of bearing outer ring or interior loop material and preparation method thereof
CN111074136A (en) * 2019-12-16 2020-04-28 宁波博大申博企业管理有限公司 Preparation method of high-toughness light wear-resistant steel
CN115095604A (en) * 2022-07-15 2022-09-23 江苏徐工工程机械研究院有限公司 Powder metallurgy oil-retaining bearing and preparation method thereof

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CN102197150A (en) * 2008-10-23 2011-09-21 斗山英维高株式会社 Sliding bearing with improved wear resistance and method of manufacturing same
CN104805349A (en) * 2015-05-05 2015-07-29 南通莱必特轴承有限公司 Preparation method of bearing material
CN104805370A (en) * 2015-05-05 2015-07-29 南通莱必特轴承有限公司 Bearing

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Publication number Priority date Publication date Assignee Title
US4065302A (en) * 1975-12-29 1977-12-27 The International Nickel Company, Inc. Powdered metal consolidation method
CN101107376A (en) * 2005-01-31 2008-01-16 株式会社小松制作所 Sintered material, iron-based sintered sliding material and process for producing the same, sliding member and process for producing the same, and connecting apparatus
CN102197150A (en) * 2008-10-23 2011-09-21 斗山英维高株式会社 Sliding bearing with improved wear resistance and method of manufacturing same
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CN104805370A (en) * 2015-05-05 2015-07-29 南通莱必特轴承有限公司 Bearing

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106967919A (en) * 2017-04-28 2017-07-21 柳州聚龙科技有限公司 The preparation method of bearing insert
CN107267885A (en) * 2017-05-18 2017-10-20 苏州艾盾合金材料有限公司 A kind of ferrous alloy twin-screw Integral alloy bushing and preparation method thereof
CN107267885B (en) * 2017-05-18 2020-01-10 苏州艾盾合金材料有限公司 Iron-based alloy double-screw integral alloy bushing and preparation method thereof
CN107287532A (en) * 2017-06-29 2017-10-24 浙江创特新材科技有限公司 A kind of high-strength stainless steel powdered metallurgical material and preparation method thereof
CN107523747A (en) * 2017-09-04 2017-12-29 蒋俊 A kind of bearing outer ring or interior loop material and preparation method thereof
CN111074136A (en) * 2019-12-16 2020-04-28 宁波博大申博企业管理有限公司 Preparation method of high-toughness light wear-resistant steel
CN115095604A (en) * 2022-07-15 2022-09-23 江苏徐工工程机械研究院有限公司 Powder metallurgy oil-retaining bearing and preparation method thereof

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