CN105349876A - Cast iron holder with self-lubricating performance - Google Patents
Cast iron holder with self-lubricating performance Download PDFInfo
- Publication number
- CN105349876A CN105349876A CN201510625246.2A CN201510625246A CN105349876A CN 105349876 A CN105349876 A CN 105349876A CN 201510625246 A CN201510625246 A CN 201510625246A CN 105349876 A CN105349876 A CN 105349876A
- Authority
- CN
- China
- Prior art keywords
- cast iron
- retainer
- self
- lubricity
- composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/44—Selection of substances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/56—Selection of substances
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Soft Magnetic Materials (AREA)
Abstract
The invention discloses a cast iron holder with self-lubricating performance. The cast iron holder comprises the main components of 3.5%-4% of C, 2%-2.5% of Si, 0.4%-0.8% of Mn, 4%-5% of Mg, 1%-2% of RESiFe, 0.8%-1.5% of 75SiFe, 3%-6% of MoS2, 0.2%-0.4% of trace alloy, 0.05% or less of impurities, and the balance Fe. The cast iron holder with the self-lubricating performance is reasonable in component configuration and moderate in manufacturing cost, the components of the material can be promoted mutually in the holder smelting process, and a better strengthening phase is formed; meanwhile, the self-lubricating performance of the MoS2 is given to fully play, and therefore the obtained holder has better abrasion resistance and is longer in service life.
Description
Technical field
The present invention relates to a kind of retainer, particularly relate to a kind of cast iron retainer with self-lubricity energy, belong to mould Hardware fitting technical field.
Background technology
Retainer refers to and partly wraps up all or part of rolling body; and the bearing parts thereupon moved; in order to separation roller, usually also guide rolling body and hold it in bearing, the intensity of retainer and stability directly have influence on quality and the work-ing life of bearing.Rolling bearing operationally, cause bearing heating and wearing and tearing due to sliding friction, especially under high temperature operation condition, the effect of centrifugal inertial force exacerbates friction, wearing and tearing and heating, retainer can be caused time serious to burn or fracture, cause bearing cisco unity malfunction.Therefore, require that the material of retainer is except having some strength, also must possess the performances such as thermal conductivity is good, rubbing factor is little, wear resistance is good, impelling strength is strong, density is less; Retainer generally selects nylon and brass material, and nylon cages has lightweight, the advantage such as elasticity is strong, good sliding and marginal lubricity, but operating temperature is lower; Brass retainer has high, the shockproof anti-accelerating ability of intensity and the advantages such as ability is strong that run up, but price is relatively high.
Conventional bearing holder material is difficult to take into account cost and performance, particularly wear resisting property.Wear resisting property directly affects the use properties of retainer, and determine the work-ing life of bearing, therefore, people take many kinds of measures to guarantee that it is more wear-resisting.Make with lubricator or to retainer to carry out the object that texture improvement can reach reduction wearing and tearing, but above-mentioned measure implementation cost is higher, maybe can not put things right once and for all, and fundamentally cannot solve the problem of retainer lubrication.
Summary of the invention
For the demand, the invention provides a kind of cast iron retainer with self-lubricity energy, rationally, preparation cost is moderate, and each component can play the effect of mutually promoting in retainer smelting process, forms more excellent strengthening phase for the configuration of this retainer composition; Meanwhile, the abundant self-lubricity energy playing MoS2 composition, make the retainer that obtains more wear-resisting, work-ing life is more lasting.
The present invention is a kind of cast iron retainer with self-lubricity energy, main component and the percentage composition proportioning thereof of this cast iron retainer are: C3.5%-4%, Si2%-2.5%, Mn0.4%-0.8%, Mg4%-5%, RESiFe1%-2%, 75SiFe0.8%-1.5%, MoS23%-6%, microalloy 0.2%-0.4%, impurity less than 0.05%, all the other are Fe.
In a preferred embodiment of the present invention, main component and the percentage composition proportioning thereof of described cast iron retainer are: C3.6%-3.8%, Si2.1%-2.2%, Mn0.7%-0.8%, Mg4.5%-5%, RESiFe1.5%-1.7%, 75SiFe1%-1.3%, MoS24%-5%, microalloy 0.25%-0.35%, impurity less than 0.05%, all the other are Fe.
In a preferred embodiment of the present invention, described Mg and RESiFe composition is as the nodulizing agent of retainer material.
In a preferred embodiment of the present invention, described RESiFe composition is as the nucleating agent of retainer material.
In a preferred embodiment of the present invention, described MoS2 composition moistens agent certainly as retainer material.
In a preferred embodiment of the present invention, described microalloy comprises Cu, Cr, Mo, Ni, Zn, Bi, Sb, Pb etc.
In a preferred embodiment of the present invention, described impurity comprises P and S, and the content of P controls below 0.03%, and the content of S controls at 0.01%-0.02%.
Present invention is disclosed a kind of cast iron retainer with self-lubricity energy, rationally, preparation cost is moderate, and in material, each component can play the effect of mutually promoting in retainer smelting process, forms more excellent strengthening phase for the configuration of this retainer composition; Meanwhile, the abundant self-lubricity energy playing MoS2 composition, make the retainer obtained have more excellent wear resisting property, work-ing life is more lasting.
Embodiment
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
What the present invention mentioned has in the cast iron retainer of self-lubricity energy, main component and the percentage composition proportioning thereof of this cast iron retainer are: C3.5%-4%, Si2%-2.5%, Mn0.4%-0.8%, Mg4%-5%, RESiFe1%-2%, 75SiFe0.8%-1.5%, MoS23%-6%, microalloy 0.2%-0.4%, impurity less than 0.05%, all the other are Fe.
Further illustrate, main component and the percentage composition proportioning thereof of this cast iron retainer are: C3.6%-3.8%, Si2.1%-2.2%, Mn0.7%-0.8%, Mg4.5%-5%, RESiFe1.5%-1.7%, 75SiFe1%-1.3%, MoS24%-5%, microalloy 0.25%-0.35%, impurity less than 0.05%, all the other are Fe; Mg and RESiFe composition is as the nodulizing agent of retainer material; RESiFe composition is as the nucleating agent of retainer material; MoS2 composition moistens agent certainly as retainer material; Microalloy comprises Cu, Cr, Mo, Ni, Zn, Bi, Sb, Pb etc.; Impurity comprises P and S, and the content of P controls below 0.03%, and the content of S controls at 0.01%-0.02%.
What the present invention mentioned have self-lubricity can the concrete manufacturing step of cast iron retainer as follows:
A) selection is got the raw materials ready, and main component and the percentage composition proportioning thereof of this cast iron retainer are: C3.7%, Si2.2%, Mn0.75%, Mg5%, RESiFe1.5%%, 75SiFe1.2%, MoS24.5%, microalloy 0.25%, impurity less than 0.05%, and all the other are Fe;
B) melting batch mixing, first, is added into medium-frequency induction furnace by quantitative steel scrap and the pig iron, and induction furnace temperature controls at 1380 DEG C-1400 DEG C, complete melting slagging-off; Then, be added into by microalloy in the iron liquid of melting, the smelting temperature of induction furnace is promoted to 1420 DEG C-1450 DEG C, and smelting time is 2.5 hours;
C) Metamorphism treatment, this technique comprises spheroidizing and inoculation, and wherein, spheroidizing adopts the mixed nodulizer of Mg and RESiFe, and nodularization mode is lid bag method, and the temperature that pours of iron liquid controls at about 1480 DEG C; Inoculation uses 75SiFe nucleating agent, and the mode of breeding is current-following inoculation, and carry out in spheroidizing and shaping casting process respectively, the addition of nucleating agent is respectively 1:3, and bonded hard ferrite magnet controls at 1500 DEG C-1520 DEG C;
D) cast molding, teeming temperature controls at about 1500 DEG C, and casting rate controls at 0.2-0.25m/s, after cast molding foundry goods in process furnace slow cooling to room temperature;
E) thermal treatment, thermal treatment process comprises low-temperature annealing process and high temperature normalizing process; Annealing temperature controls 740 DEG C-760 DEG C, is incubated 3.5 hours, air cooling of coming out of the stove after cooling to 550 DEG C with the furnace; Normalizing temperature controls at 900 DEG C-920 DEG C, and insulation 1.5-2 as a child came out of the stove air cooling; Can arrange the stress relief annealing of 580 DEG C-600 DEG C after normalizing treatment, soaking time is 3.5 hours, and the type of cooling is air cooling;
F) finished product aftertreatment, aftertreatment technology comprises trimming, inspection and ageing treatment etc.; Ageing treatment is carried out in normal temperature, and the time of ageing treatment is 18-20 hour.
Present invention is disclosed a kind of cast iron retainer with self-lubricity energy, be characterized in: rationally, preparation cost is moderate, and in material, each component can play the effect of mutually promoting in retainer smelting process, forms more excellent strengthening phase for the configuration of this retainer composition; Meanwhile, the abundant self-lubricity energy playing MoS2 composition, make the retainer obtained have more excellent wear resisting property, work-ing life is more lasting.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (7)
1. one kind has the cast iron retainer of self-lubricity energy, it is characterized in that, main component and the percentage composition proportioning thereof of this cast iron retainer are: C3.5%-4%, Si2%-2.5%, Mn0.4%-0.8%, Mg4%-5%, RESiFe1%-2%, 75SiFe0.8%-1.5%, MoS23%-6%, microalloy 0.2%-0.4%, impurity less than 0.05%, all the other are Fe.
2. the cast iron retainer with self-lubricity energy according to claim 1, it is characterized in that, main component and the percentage composition proportioning thereof of described cast iron retainer are: C3.6%-3.8%, Si2.1%-2.2%, Mn0.7%-0.8%, Mg4.5%-5%, RESiFe1.5%-1.7%, 75SiFe1%-1.3%, MoS24%-5%, microalloy 0.25%-0.35%, impurity less than 0.05%, all the other are Fe.
3. the cast iron retainer with self-lubricity energy according to claim 1, it is characterized in that, described Mg and RESiFe composition is as the nodulizing agent of retainer material.
4. the cast iron retainer with self-lubricity energy according to claim 1, it is characterized in that, described RESiFe composition is as the nucleating agent of retainer material.
5. according to claim 1 have self-lubricity can cast iron retainer, it is characterized in that, described MoS2 composition moistens agent certainly as retainer material.
6. the cast iron retainer with self-lubricity energy according to claim 1, it is characterized in that, described microalloy comprises Cu, Cr, Mo, Ni, Zn, Bi, Sb, Pb etc.
7. the cast iron retainer with self-lubricity energy according to claim 1, it is characterized in that, described impurity comprises P and S, and the content of P controls below 0.03%, and the content of S controls at 0.01%-0.02%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510625246.2A CN105349876A (en) | 2015-09-28 | 2015-09-28 | Cast iron holder with self-lubricating performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510625246.2A CN105349876A (en) | 2015-09-28 | 2015-09-28 | Cast iron holder with self-lubricating performance |
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| Publication Number | Publication Date |
|---|---|
| CN105349876A true CN105349876A (en) | 2016-02-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510625246.2A Pending CN105349876A (en) | 2015-09-28 | 2015-09-28 | Cast iron holder with self-lubricating performance |
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| CN (1) | CN105349876A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077627A (en) * | 2016-08-27 | 2016-11-09 | 宁波市鄞州新华仪表电机配件厂 | A kind of preparation method of sliding bearing |
| CN108085624A (en) * | 2016-11-21 | 2018-05-29 | 宜兴市帝洲新能源科技有限公司 | A kind of guide material of optoelectronic device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86103875A (en) * | 1986-05-30 | 1987-01-31 | 辽宁省鞍山轴承厂 | AS casting iron bearing solid cage and manufacture method thereof |
| CN1332264A (en) * | 2001-07-25 | 2002-01-23 | 李喜林 | Antiwear cast alloy material with high sulfur content and several compoiste self-lubricating phases |
| CN101429904A (en) * | 2007-08-24 | 2009-05-13 | 日本活塞环株式会社 | Piston ring |
| CN101696311A (en) * | 2009-10-22 | 2010-04-21 | 洛阳轴研科技股份有限公司 | Bearing retainer material and preparation method thereof |
| CN102383056A (en) * | 2011-09-26 | 2012-03-21 | 上海应用技术学院 | Novel iron-based self-lubricating material and preparation method thereof |
| CN104805381A (en) * | 2015-05-14 | 2015-07-29 | 贾现书 | Medium-chromium multi-element self-lubricating alloy steel and preparation method thereof |
-
2015
- 2015-09-28 CN CN201510625246.2A patent/CN105349876A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86103875A (en) * | 1986-05-30 | 1987-01-31 | 辽宁省鞍山轴承厂 | AS casting iron bearing solid cage and manufacture method thereof |
| CN1332264A (en) * | 2001-07-25 | 2002-01-23 | 李喜林 | Antiwear cast alloy material with high sulfur content and several compoiste self-lubricating phases |
| CN101429904A (en) * | 2007-08-24 | 2009-05-13 | 日本活塞环株式会社 | Piston ring |
| CN101696311A (en) * | 2009-10-22 | 2010-04-21 | 洛阳轴研科技股份有限公司 | Bearing retainer material and preparation method thereof |
| CN102383056A (en) * | 2011-09-26 | 2012-03-21 | 上海应用技术学院 | Novel iron-based self-lubricating material and preparation method thereof |
| CN104805381A (en) * | 2015-05-14 | 2015-07-29 | 贾现书 | Medium-chromium multi-element self-lubricating alloy steel and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| 徐元茂: "《用球墨铸铁代替黄铜作保持架的经验》", 《轴承》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077627A (en) * | 2016-08-27 | 2016-11-09 | 宁波市鄞州新华仪表电机配件厂 | A kind of preparation method of sliding bearing |
| CN108085624A (en) * | 2016-11-21 | 2018-05-29 | 宜兴市帝洲新能源科技有限公司 | A kind of guide material of optoelectronic device |
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Application publication date: 20160224 |