CN107365473A - A kind of corrosion resisting bearing material and its preparation method and application - Google Patents
A kind of corrosion resisting bearing material and its preparation method and application Download PDFInfo
- Publication number
- CN107365473A CN107365473A CN201710790267.9A CN201710790267A CN107365473A CN 107365473 A CN107365473 A CN 107365473A CN 201710790267 A CN201710790267 A CN 201710790267A CN 107365473 A CN107365473 A CN 107365473A
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- China
- Prior art keywords
- bearing
- pom
- graphite powder
- corrosion resisting
- silicate
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
- C08L59/02—Polyacetals containing polyoxymethylene sequences only
-
- 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
Abstract
The invention belongs to a kind of corrosion resisting bearing material and its preparation method and application；It is made up of the raw material of following weight percents：South Korea originates in POM particle TS 25A 95%, superfine graphite powder 3% and the ultrafine carbon fiber 2% of silicate-containing oil；The superfine graphite powder was the graphite powder of 8000 mesh, a diameter of 50nm of the ultrafine carbon fiber；Be 40 DEG C~150 DEG C with hardness, intensity and rigidity, use temperature range similar with metal material, self-lubricating property it is good, good fatigue resistance and good chemical resistance, its anti-attrition, wearability are good, mechanical property intensity 75MPa, specific stiffness 3975MPa, and mechanical property varies with temperature small, impact strength is high, electrical insulating property is good simultaneously, its dielectric strength is 25KV/ ㎜ in the ㎜ planar materials of thickness 2, the resistance to hydro carbons of chemical industry, alcohols, aldehydes are especially adapted to, the advantages of the use environment such as ethers, gasoline, lubricating oil and weak base, weak acid.
Description
Technical field
The invention belongs to corrosion resisting bearing field of material technology, and in particular to a kind of corrosion resisting bearing material and its preparation side
Method and application.
Background technology
Various hydro carbons, alcohols, aldehydes, ethers, acid, the high speed of alkali or other corrosive liquids will be commonly used in chemical industry
Stirring, shearing, emulsification, its container and necessary corrosion-resistant, the bearing particularly in equipment of equipment, due to rotary speed height, it is necessary to
There are certain hardness, intensity and rigidity, and there should be good self lubricity, good fatigue resistance and corrosion resistance, if
From common steel bearing, eroded soon by chemical material, and pollute stoste, be that the bottleneck of chemical industry is asked
Topic.For a long time, corrosion resisting bearing technology is blocked by western countries, and the chemical enterprise in China has to spend high foreign exchange to purchase
Buy.
The content of the invention
The purpose of the present invention is that to solve the above problems and provides a kind of hardness, intensity and rigidity and metal material
Similar, use temperature range is -40 DEG C~150 DEG C, self-lubricating property is good, good fatigue resistance and well resistant to chemical etching
Property, its anti-attrition, wearability are good, mechanical property intensity 75MPa, specific stiffness 3975MPa, and mechanical property vary with temperature it is small,
Impact strength is high, while electrical insulating property is good, is hardly influenceed by temperature, humidity, and its dielectric strength is in the ㎜ planar materials of thickness 2
For 25KV/ ㎜, the resistance to hydro carbons of chemical industry, alcohols, aldehydes are especially adapted to, ethers, gasoline, lubricating oil and weak base, weak acid etc. use
Environment, and corrosion resisting bearing material easy to process and its preparation method and application.
The present invention is achieved through the following technical solutions above-mentioned purpose：The material by following weight percents raw material system
Into：South Korea originates in POM particles TS-25A 95%, superfine graphite powder 3% and the ultrafine carbon fiber 2% of silicate-containing oil；The ultra-fine stone
Ink powder was the graphite powder of 8000 mesh, a diameter of 50nm of the ultrafine carbon fiber.
A kind of preparation method of corrosion resisting bearing material, comprises the following steps：
Step 1：The POM particles TS-25A that South Korea is originated in silicate-containing oil inserts drying box and dried, drying temperature 85
℃；Drying time is：3-4h, South Korea is set to originate in the POM particles TS-25A of silicate-containing oil moisture content≤0.1%；
Step 2：The POM particles TS-25A that South Korea after being dried in step 1 is originated in silicate-containing oil inserts injection molding machine
In barrel, heated up in rotation, 3 DEG C/min of heating rate, when barrel temperature reaches 165 DEG C, add superfine graphite powder and surpass
Fine carbon, and continue rotation heating, 3 DEG C/min of heating rate, when reaching 205 DEG C to barrel temperature, form compound；
Step 3：The die cavity of mould is heated, is heated up to 60 DEG C；
Step 4：Compound described in step 2 is injected in the die cavity after being heated in step 3, described injection
Pressure is 120-150Mpa, and injection speed is：1dm3/min；
Step 5：The compound pressurize in step 4 in die cavity is molded, dwell pressure 80-100Mpa, the dwell time
For 3min；
Step 6：Pressurize shaping carries out demoulding pickup after terminating in step 5, and Φ 85, L500 POM composites is made
Bar；
Step 7：POM compound walking spa- cial systems in step 6 are made up of existing car, milling, mill mechanical processing toolses
Corrosion resisting bearing, the corrosion resisting bearing include bearing outside and bearing inner sleeve, bearing outside made of POM compound walking spa- cial systems
Gap between bearing inner sleeve is 0.05mm.
Present invention also offers application of the above-mentioned corrosion resisting bearing material in bearing is prepared.
The present invention is used as corrosion resisting bearing materials'use using POM composites (modified polyformaldehyde), and it is a kind of property
The excellent engineering plastics of energy, are frequently referred to by people：Steel, supersteel are matched, POM composites (modified polyformaldehyde) have metalloid
Hardness, intensity and rigidity, in the range of very wide temperature and humidity such as：- 40 DEG C of temperature~150 DEG C, all have well certainly
Lubricity, good fatigue resistance and good chemical resistance, its anti-attrition, wearability are good, mechanical property intensity 75MPa,
Specific stiffness 3975MPa, and mechanical property varies with temperature small, impact strength height, while electrical insulating property is good, hardly by temperature
Degree, humidity influence, and its dielectric strength be 25KV/ ㎜ in the ㎜ planar materials of thickness 2, therefore, especially the resistance to hydro carbons of adaptation chemical industry,
Alcohols, aldehydes, the use environment such as ethers, gasoline, lubricating oil and weak base, weak acid, and it is easy to process.
Embodiment
The present invention is a kind of corrosion resisting bearing material and its preparation method and application, and the material is by following weight percents
Raw material is made：South Korea originates in POM particles TS-25A 95%, superfine graphite powder 3% and the ultrafine carbon fiber 2% of silicate-containing oil；It is described
Superfine graphite powder was the graphite powder of 8000 mesh, a diameter of 50nm of the ultrafine carbon fiber.
A kind of preparation method of corrosion resisting bearing material, comprises the following steps：
Step 1：The POM particles TS-25A that South Korea is originated in silicate-containing oil inserts drying box and dried, drying temperature 85
℃；Drying time is：3-4h, South Korea is set to originate in the POM particles TS-25A of silicate-containing oil moisture content≤0.1%；
Step 2：The POM particles TS-25A that South Korea after being dried in step 1 is originated in silicate-containing oil inserts injection molding machine
In barrel, heated up in rotation, 3 DEG C/min of heating rate, when barrel temperature reaches 165 DEG C, add superfine graphite powder and surpass
Fine carbon, and continue rotation heating, 3 DEG C/min of heating rate, when reaching 205 DEG C to barrel temperature, form compound；
Step 3：The die cavity of mould is heated, is heated up to 60 DEG C；
Step 4：Compound described in step 2 is injected in the die cavity after being heated in step 3, described injection
Pressure is 120-150Mpa, and injection speed is：1dm3/min；
Step 5：The compound pressurize in step 4 in die cavity is molded, dwell pressure 80-100Mpa, the dwell time
For 3min；
Step 6：Pressurize shaping carries out demoulding pickup after terminating in step 5, and Φ 85, L500 POM composites is made
Bar；
Step 7：POM compound walking spa- cial systems in step 6 are made up of existing car, milling, mill mechanical processing toolses
Corrosion resisting bearing, the corrosion resisting bearing include bearing outside and bearing inner sleeve, bearing outside made of POM compound walking spa- cial systems
Gap between bearing inner sleeve is 0.05mm.
Present invention also offers application of the above-mentioned corrosion resisting bearing material in bearing is prepared.
The present invention as described in above-mentioned step 7 by POM compound walking spa- cial systems, by car, milling, grind mechanical processing toolses,
Overcoat is made, and is buckled on bearing block；Then make inner sleeve, make and main shaft tight fit inner sleeve and be nested on overcoat 1, inner sleeve with
The ㎜ of overcoat gap 0.05, dynamic cooperation is formed, formed and slided using the gap of inner sleeve and outer inner room, inner sleeve can be gone out using lathe car
Groove, self-lubricating is formed in chemical liquid using the groove of inner sleeve, slidingtype, corrosion-resistant, self-lubricating bearing is formed, reaches pre-
Phase effect.Different types of bearing can be made in the present invention according to actual conditions, superfluous due to the broad categories of bearing, therefore no longer
State.
In order to more clearly explain the present invention, it is further described in conjunction with specific embodiment.It is specific real
Under applying for example：
Embodiment one
A kind of corrosion resisting bearing material, the material are made up of the raw material of following weight percents：South Korea originates in silicate-containing oil
POM particles TS-25A 95%, superfine graphite powder 3% and ultrafine carbon fiber 2%；The superfine graphite powder was the stone of 8000 mesh
Ink powder, a diameter of 50nm of the ultrafine carbon fiber.
A kind of preparation method of corrosion resisting bearing material, comprises the following steps：
Step 1：The POM particles TS-25A that South Korea is originated in silicate-containing oil inserts drying box and dried, drying temperature 85
℃；Drying time is：3h, South Korea is set to originate in the POM particles TS-25A of silicate-containing oil moisture content≤0.1%；
Step 2：The POM particles TS-25A that South Korea after being dried in step 1 is originated in silicate-containing oil inserts injection molding machine
In barrel, heated up in rotation, 3 DEG C/min of heating rate, when barrel temperature reaches 165 DEG C, add superfine graphite powder and surpass
Fine carbon, and continue rotation heating, 3 DEG C/min of heating rate, when reaching 205 DEG C to barrel temperature, form compound；
Step 3：The die cavity of mould is heated, is heated up to 60 DEG C；
Step 4：Compound described in step 2 is injected in the die cavity after being heated in step 3, described injection
Pressure is 120Mpa, and injection speed is：1dm3/min；
Step 5：It is molded the compound pressurize in step 4 in die cavity, dwell pressure 80Mpa, the dwell time is
3min；
Step 6：Pressurize shaping carries out demoulding pickup after terminating in step 5, and Φ 85, L500 POM composites is made
Bar；
Step 7：POM compound walking spa- cial systems in step 6 are made up of existing car, milling, mill mechanical processing toolses
Corrosion resisting bearing, the corrosion resisting bearing include bearing outside and bearing inner sleeve, bearing outside made of POM compound walking spa- cial systems
Gap between bearing inner sleeve is 0.05mm.
Embodiment two
A kind of corrosion resisting bearing material, the material are made up of the raw material of following weight percents：South Korea originates in silicate-containing oil
POM particles TS-25A 95%, superfine graphite powder 3% and ultrafine carbon fiber 2%；The superfine graphite powder was the stone of 8000 mesh
Ink powder, a diameter of 50nm of the ultrafine carbon fiber.
A kind of preparation method of corrosion resisting bearing material, comprises the following steps：
Step 1：The POM particles TS-25A that South Korea is originated in silicate-containing oil inserts drying box and dried, drying temperature 85
℃；Drying time is：4h, South Korea is set to originate in the POM particles TS-25A of silicate-containing oil moisture content≤0.1%；
Step 2：The POM particles TS-25A that South Korea after being dried in step 1 is originated in silicate-containing oil inserts injection molding machine
In barrel, heated up in rotation, 3 DEG C/min of heating rate, when barrel temperature reaches 165 DEG C, add superfine graphite powder and surpass
Fine carbon, and continue rotation heating, 3 DEG C/min of heating rate, when reaching 205 DEG C to barrel temperature, form compound；
Step 3：The die cavity of mould is heated, is heated up to 60 DEG C；
Step 4：Compound described in step 2 is injected in the die cavity after being heated in step 3, described injection
Pressure is 150Mpa, and injection speed is：1dm3/min；
Step 5：It is molded the compound pressurize in step 4 in die cavity, dwell pressure 100Mpa, the dwell time is
3min；
Step 6：Pressurize shaping carries out demoulding pickup after terminating in step 5, and Φ 85, L500 POM composites is made
Bar；
Step 7：POM compound walking spa- cial systems in step 6 are made up of existing car, milling, mill mechanical processing toolses
Corrosion resisting bearing, the corrosion resisting bearing include bearing outside and bearing inner sleeve, bearing outside made of POM compound walking spa- cial systems
Gap between bearing inner sleeve is 0.05mm.
Embodiment three
A kind of corrosion resisting bearing material, the material are made up of the raw material of following weight percents：South Korea originates in silicate-containing oil
POM particles TS-25A 95%, superfine graphite powder 3% and ultrafine carbon fiber 2%；The superfine graphite powder was the stone of 8000 mesh
Ink powder, a diameter of 50nm of the ultrafine carbon fiber.
A kind of preparation method of corrosion resisting bearing material, comprises the following steps：
Step 1：The POM particles TS-25A that South Korea is originated in silicate-containing oil inserts drying box and dried, drying temperature 85
℃；Drying time is：3.5h, South Korea is set to originate in the POM particles TS-25A of silicate-containing oil moisture content≤0.1%；
Step 2：The POM particles TS-25A that South Korea after being dried in step 1 is originated in silicate-containing oil inserts injection molding machine
In barrel, heated up in rotation, 3 DEG C/min of heating rate, when barrel temperature reaches 165 DEG C, add superfine graphite powder and surpass
Fine carbon, and continue rotation heating, 3 DEG C/min of heating rate, when reaching 205 DEG C to barrel temperature, form compound；
Step 3：The die cavity of mould is heated, is heated up to 60 DEG C；
Step 4：Compound described in step 2 is injected in the die cavity after being heated in step 3, described injection
Pressure is 135Mpa, and injection speed is：1dm3/min；
Step 5：It is molded the compound pressurize in step 4 in die cavity, dwell pressure 90Mpa, the dwell time is
3min；
Step 6：Pressurize shaping carries out demoulding pickup after terminating in step 5, and Φ 85, L500 POM composites is made
Bar；
Step 7：POM compound walking spa- cial systems in step 6 are made up of existing car, milling, mill mechanical processing toolses
Corrosion resisting bearing, the corrosion resisting bearing include bearing outside and bearing inner sleeve, bearing outside made of POM compound walking spa- cial systems
Gap between bearing inner sleeve is 0.05mm.
Experimental example
The deep groove ball bearing of the model 6300 prepared using Luoyang LYC Bearing Co., Ltd is control group, with of the invention real
The bearing (bearing prepared by embodiment two is consistent with the bearing designation of above-mentioned control group) prepared in example two is applied to carry out for experimental group
Contrast；Its comparing result such as following table：
From above table, the present invention is in terms of corrosion-resistant, self-lubricating and suitable for chemical industry Special use environment
Due to control group.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, the original for simply illustrating the present invention described in above-described embodiment and specification
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its Xiao Wu circle
It is fixed.
Claims (3)
- A kind of 1. corrosion resisting bearing material, it is characterised in that：The material is made up of the raw material of following weight percents：South Korea is former Produce POM particles TS-25A 95%, superfine graphite powder 3% and the ultrafine carbon fiber 2% of silicate-containing oil；The superfine graphite powder was 8000 Purpose graphite powder, a diameter of 50nm of the ultrafine carbon fiber.
- A kind of 2. preparation method of corrosion resisting bearing material as claimed in claim 1, it is characterised in that：The preparation method includes Following steps：Step 1：The POM particles TS-25A that South Korea is originated in silicate-containing oil inserts drying box and dried, and drying temperature is 85 DEG C； Drying time is：3-4h, South Korea is set to originate in the POM particles TS-25A of silicate-containing oil moisture content≤0.1%；Step 2：The POM particles TS-25A that South Korea after being dried in step 1 is originated in silicate-containing oil inserts injection molding machine barrel It is interior, heated up in rotation, 3 DEG C/min of heating rate, when barrel temperature reaches 165 DEG C, add superfine graphite powder and ultra-fine carbon Fiber, and continue rotation heating, 3 DEG C/min of heating rate, when reaching 205 DEG C to barrel temperature, form compound；Step 3：The die cavity of mould is heated, is heated up to 60 DEG C；Step 4：Compound described in step 2 is injected in the die cavity after being heated in step 3, described injection pressure For 120-150Mpa, injection speed is：1dm3/min；Step 5：It is molded the compound pressurize in step 4 in die cavity, dwell pressure 80-100Mpa, the dwell time is 3min；Step 6：Pressurize shaping carries out demoulding pickup after terminating in step 5, and Φ 85, L500 POM compound walking spa- cial systems is made；Step 7：Corrosion resistant is made by existing car, milling, mill mechanical processing toolses in POM compound walking spa- cial systems in step 6 Bearing is lost, the corrosion resisting bearing includes bearing outside and bearing inner sleeve made of POM compound walking spa- cial systems, bearing outside and axle It is 0.05mm to hold the gap between inner sleeve.
- A kind of 3. application of the corrosion resisting bearing material in bearing is prepared as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710790267.9A CN107365473A (en) | 2017-09-05 | 2017-09-05 | A kind of corrosion resisting bearing material and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710790267.9A CN107365473A (en) | 2017-09-05 | 2017-09-05 | A kind of corrosion resisting bearing material and its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107365473A true CN107365473A (en) | 2017-11-21 |
Family
ID=60311398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710790267.9A Pending CN107365473A (en) | 2017-09-05 | 2017-09-05 | A kind of corrosion resisting bearing material and its preparation method and application |
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Citations (6)
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|---|---|---|---|---|
| CN1865569A (en) * | 2005-05-17 | 2006-11-22 | 上工股份有限公司 | Sewing machine without oil lubrication |
| CN101240091A (en) * | 2008-03-07 | 2008-08-13 | 清华大学 | Method for preparing conductive composite material by utilizing synergistic reaction of conductive filling material |
| CN101321611A (en) * | 2005-11-08 | 2008-12-10 | 纳幕尔杜邦公司 | Soft-hard moulded articles |
| CN103814226A (en) * | 2011-09-22 | 2014-05-21 | Ntn株式会社 | Sliding bearing and image formation device |
| CN104672771A (en) * | 2015-02-06 | 2015-06-03 | 合肥康龄养生科技有限公司 | Carbon fiber reinforced polyformaldehyde composite material capable of reducing friction coefficient and preparation method thereof |
| CN105408635A (en) * | 2013-07-25 | 2016-03-16 | 株式会社荏原制作所 | Vertical shaft pump |
-
2017
- 2017-09-05 CN CN201710790267.9A patent/CN107365473A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1865569A (en) * | 2005-05-17 | 2006-11-22 | 上工股份有限公司 | Sewing machine without oil lubrication |
| CN101321611A (en) * | 2005-11-08 | 2008-12-10 | 纳幕尔杜邦公司 | Soft-hard moulded articles |
| CN101240091A (en) * | 2008-03-07 | 2008-08-13 | 清华大学 | Method for preparing conductive composite material by utilizing synergistic reaction of conductive filling material |
| CN103814226A (en) * | 2011-09-22 | 2014-05-21 | Ntn株式会社 | Sliding bearing and image formation device |
| CN105408635A (en) * | 2013-07-25 | 2016-03-16 | 株式会社荏原制作所 | Vertical shaft pump |
| CN104672771A (en) * | 2015-02-06 | 2015-06-03 | 合肥康龄养生科技有限公司 | Carbon fiber reinforced polyformaldehyde composite material capable of reducing friction coefficient and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 傅嗣萱 等: ""耐磨自润滑工程塑料"", 《四川机械》 * |
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Application publication date: 20171121 |
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