CN108384232A - A kind of novel nylon bearing retainer - Google Patents
A kind of novel nylon bearing retainer Download PDFInfo
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- CN108384232A CN108384232A CN201810197163.1A CN201810197163A CN108384232A CN 108384232 A CN108384232 A CN 108384232A CN 201810197163 A CN201810197163 A CN 201810197163A CN 108384232 A CN108384232 A CN 108384232A
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- bearing retainer
- novel nylon
- polyamide
- lubricant
- nylon bearing
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Rolling Contact Bearings (AREA)
Abstract
A kind of novel nylon bearing retainer, including following weight percentage components, antioxidant：0.1%‑0.5%；Lubricant：0.3%‑0.8%；Nucleating agent：0.5%‑1.1%；Anti-wear agent：3%‑8%；Reinforcing fiber group：23%‑28%；Polyamide：Surplus；Wherein anti-wear agent is polytetrafluoroethylene (PTFE), and reinforcing fiber group includes glass fibre.The present invention passes through above-mentioned setting, it can assign bearing retainer good tensile strength added with reinforcing fiber group, and anti-wear agent and lubricant can be good at adjusting the frictional resistance between bearing retainer and bearing and supporter, reduce friction factor, reduce abrasion and fever heat, polyamide is further used to be made as main material, it is big with light weight, hardness, and bearing dead weight can be mitigated, be easily installed, the advantages of reducing abrasion, polyamide is easy to process simultaneously, is conducive to improve machining accuracy, also has the effect of anti-expand with heat and contract with cold.
Description
Technical field
The present invention relates to Production of bearing technical fields, more specifically, it relates to a kind of novel nylon bearing retainer.
Background technology
Bearing is in our daily life using important knot irreplaceable in very extensive and industrial production and manufacturing
Structure.Rolling bearing at work, bearing heating and abrasion is caused due to sliding friction, especially under the conditions of high temperature operation, is used to
Property centrifugal force effect exacerbate friction, abrasion and fever, can be caused when serious retainer burn or fracture, cause bearing cannot
Normal work.Therefore, bearing can be lubricated, can be also installed with the special appearance of lubricant generally for reduction friction and wear
The bearing retainer of device.
A kind of bearing retainer is disclosed in the Chinese patent document that Authorization Notice No. is CN103161828B and bearing is protected
Tower section is held, its surface is provided with one layer of thin ester and/or oleophobic material, so that lubricating oil is in use more
Few is adhered on bearing retainer, gives full play to the effect of lubrication.
But for bearing retainer, the effect of lubrication may not only consider, it is also necessary to consider the intensity of itself
And impact resistance can drive bearing retainer to generate irregular deformation, in turn result in and rub not so in the high-speed rotation of bearing
The increasing wiped and worn, even if coated with ester and/or oleophobic material is dredged, it is also difficult to ensure the permanent worker of bearing retainer
Make.
As application publication number be CN1824962A Chinese patent document in disclose a kind of bearing made of PEEK
Retainer strengthens the own material intensity of bearing retainer using glass fibre or carbon fiber as reinforcing agent.But axis
The working environment that retainer is got along is held, not only needs some strength to adapt to long-term pivoting friction, the production that can be also difficult to avoid that
Raw high temperature so that bearing retainer is in the environment of hot and cold alternation and works for a long time, and cold and hot expansion can be caused to bearing retainer
Fatigue, and then reduce component structure precision and bearing retainer and bearing fitness, influence to use.Therefore, not only
Needing bearing retainer to have, friction factor is smaller, self-strength is enough, it is also necessary to can adapt to working environment, be used with extending
Service life.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of novel nylon bearing retainer, reach
It has arrived that friction coefficient is smaller, intensity enough and can reduce the effect of influence of expanding with heat and contract with cold, has prolonged the service life.
To achieve the above object, the present invention provides following technical solutions：Novel nylon bearing retainer, including weigh as follows
Measure the component of percentage, antioxidant：0.1%-0.5%；Lubricant：0.3%-0.8%；Nucleating agent：0.5%-1.1%；It is wear-resisting
Agent：3%-8%；Reinforcing fiber group：23%-28%；Polyamide：Surplus；Wherein anti-wear agent is polytetrafluoroethylene (PTFE), and enhancing is fine
Dimension group includes glass fibre.
Through the above technical solutions, antioxidant provides good anti-ageing property, prolonged mechanical service life for finished product；Nucleation
Agent can be such that the grain structure of polyamide refines in process of production, shorten molding cycle, improve the rigid of bearing retainer
Property, keep the dimensional stability of final products, improve lustrous surface, advantageously reduce the outer surface friction of bearing retainer because
Number reduces abrasion caused by work.
Glass fibre, which has, to be improved rigidity, reduce creep properties and the molding shrinkage of product is become smaller, dimensional stability
Good effect.
And anti-wear agent and lubricant can be good at adjusting the friction resistance between bearing retainer and bearing and supporter
Power reduces friction factor, reduces abrasion and fever heat.Wherein, the dynamic friction factor of polytetrafluoroethylene (PTFE) is 0.01-0.10, and
Increase with the increase of gliding cable structure, while static friction factor is less than dynamic friction factor, it is possible to reduce the resistance of start of bearing makes
It is all steady from operating is started to, and improves wearability；Molybdenum disulfide good dispersion, has the advantages that inadherent, can add poly-
In amide resin, increase lubricity and extreme pressure property, at the same be also applied for high temperature, high pressure, high rotating speed high load capacity machine work shape
There is state moisture-proof, waterproof, alkali prevention, the characteristics such as acid-proof to extend equipment life.
It uses polyamide to be made as main material, has light weight, hardness big, and bearing dead weight can be mitigated, be convenient for
Installation reduces the advantages of wearing, while polyamide is easy to process, is conducive to improve machining accuracy, also has heat resistanceheat resistant swollen cold
The effect of contracting.
Therefore in conclusion cooperating between each component, although the lighter weight of bearing retainer entirety, intensity foot
Enough meet requirement, thus during bearing retainer use, friction factor reduction friction can either be reduced by, which having reached, makes
At heat, and enhance self-strength and adapt to the high load operation of high rotating speed, while also having the effect of that centainly anti-expands with heat and contract with cold.
Further preferably：A kind of novel nylon bearing retainer, including antioxidant：0.1%-0.3%；Lubricant：
0.4%-0.5%；Nucleating agent：0.5%-0.8%；Anti-wear agent：5%-6%；Reinforcing fiber group：25%-28%；Polyamide resin
Fat：Surplus.
Further preferably：The polyamide includes nylon66 fiber and nylon 6, and the weight of the nylon 6 and nylon66 fiber
Amount is than being 1:(12-17).
Through the above technical solutions, polyamide includes nylon66 fiber and nylon 6, nylon 6 therein, which has, improves product
Impact resistance and antilysis.
Further preferably：The reinforcing fiber further includes at least one of carbon fiber and contraposition aramid fiber.
Through the above technical solutions, glass fibre has good intensity, and carbon fiber not only has good intensity, also
With smaller friction factor, the friction when finished product of bearing retainer is contacted with the rotation of other objects can be further reduced
Power reduces frictional heating.
And aligning aramid fiber has the excellent performances such as high intensity, high-modulus and high temperature resistant, acid-fast alkali-proof, light-weight,
And sole mass is lighter, the relative density and quality of finished product can be reduced when adding and being scattered in bearing retainer, while right
Position aramid fiber also has good insulating properties and anti-aging property, has very long life cycle, helps to extend bearing
The service life of retainer.
Further preferably：Further include the modified component that weight percent is 3%-5%, the modified component includes grey antimony
At least one of powder and vulcanization nickel by powder.
Through the above technical solutions, grey antimony and vulcanization nickel by powder have the cold characteristic to rise of pyrocondensation, it is dispersed in poly-
When in amide resin, different from itself expanding with heat and contract with cold answer can be brought for polyamide in each heating and cooling
Power, the deviation that the external size to reduce bearing retainer entirety as possible is generated in cold and hot temperature, improves the essence of structure
Degree, prolongs the service life.
Further preferably：The antioxidant includes antioxidant 1098 and irgasfos 168.
Through the above technical solutions, mutually promoting using two kinds of antioxidant, have the effect of reinforcing antioxygenic property.
Further preferably：The lubricant is environmentally-friendly water-based punching press lubricant.
Through the above technical solutions, environmentally-friendly water-based punching press lubricant is without flash-point, safety in utilization is higher, transparent available water
Dilution, not will produce lamination, accomplishes and really mix after dilution.
Further preferably：The nucleating agent is organic phosphate or glucitols.
Through the above technical solutions, the product transparency, rigidity, case hardness and thermal deformation that organic phosphate is modified
Temperature has a more substantial increase, and thermostabilization is good, under the high temperature conditions, does not influence other performances of polymer product；Mountain
Pears alcohols nucleating agent is significantly improved effect to the transparency of product, surface gloss, rigidity and other thermodynamic properties,
And there is preferable compatibility.
In conclusion the invention has the advantages that：It is good that bearing retainer can be assigned added with reinforcing fiber group
Good tensile strength, and anti-wear agent and lubricant can be good at adjusting rubbing between bearing retainer and bearing and supporter
Resistance is wiped, friction factor is reduced, abrasion and fever heat is reduced, polyamide is further used to be made as main material, tool
The advantages of having light weight, hardness big, and bearing dead weight can be mitigated, be easily installed, reduce abrasion, while polyamide is convenient for
Processing is conducive to improve machining accuracy, while modified component and polyamide match, and it is good anti-to assign bearing retainer
The effect expanded with heat and contract with cold.
Specific implementation mode
With reference to embodiment, the present invention will be described in detail.
Embodiment 1-7：A kind of novel nylon bearing retainer, including component and its weight percent it is as shown in table 1,
Middle antioxidant is made of antioxidant 1098 and irgasfos 168, and anti-wear agent is polytetrafluoroethylene (PTFE), and reinforcing fiber is glass fibre, is gathered
Amide resin includes nylon 6 and nylon66 fiber, and the weight ratio of the two is 1:12, lubricant uses IRMCO water base lubricants, nucleation
Agent is third generation sorbierite, using the Mi11ad3988 of Milliken companies of the U.S..
Each component and its weight percent (%) in 1 embodiment 1-7 of table
Embodiment 8：A kind of novel nylon bearing retainer, difference lies in contain in polyamide with embodiment 1
The weight ratio of nylon 6 and nylon66 fiber is 1:15.
Embodiment 9：A kind of novel nylon bearing retainer, difference lies in contain in polyamide with embodiment 1
The weight ratio of nylon 6 and nylon66 fiber is 1:17.
Embodiment 10：A kind of novel nylon bearing retainer, difference lies in reinforcing fiber is glass fibers with embodiment 1
Peacekeeping carbon fiber.
Embodiment 11：A kind of novel nylon bearing retainer, difference lies in reinforcing fiber is glass fibers with embodiment 1
Peacekeeping aligns aramid fiber.
Embodiment 12：A kind of novel nylon bearing retainer, difference lies in reinforcing fiber is glass fibers with embodiment 1
Dimension, carbon fiber and contraposition aramid fiber.
Embodiment 13：A kind of novel nylon bearing retainer, difference lies in further include weight percent with embodiment 1
For 3% modified component, modified component is grey antimony powder end.
Embodiment 14：A kind of novel nylon bearing retainer, difference lies in further include weight percent with embodiment 1
For 5% modified component, modified component is grey antimony powder end.
Embodiment 15：A kind of novel nylon bearing retainer, difference lies in further include weight percent with embodiment 1
For 3% modified component, modified component is vulcanization nickel by powder.
Embodiment 16：A kind of novel nylon bearing retainer, difference lies in further include weight percent with embodiment 1
For 5% modified component, modified component is vulcanization nickel by powder.
Embodiment 17：A kind of novel nylon bearing retainer, difference lies in further include weight percent with embodiment 1
For 5% modified component, modified component is grey antimony powder end and vulcanization nickel by powder.
Comparative example 1-7：A kind of nylon bearing retainer, with embodiment 17 difference lies in, including component and its weight
Percentage is as shown in table 2.
Each component and its weight percent (%) in 2 comparative example 1-7 of table
Characterization experiment
Experiment 1, test for tensile strength
Subjects：Obtained bearing retainer section in Example 1-17 and comparative example 1-7, amounts to 24 groups.
Test method：Above-mentioned 24 groups of subjects are taken, with HHT higher high tensile type universal testing machine, carry out tensile strength test.
Test result：Every group of test data is charged in table 3.
The tensile strength table (KN/CM2) of 3 test for tensile strength 1-24 groups of table
| Group | Intensity | Group | Intensity | Group | Intensity | Group | Intensity |
| 1 | 12.9 | 7 | 12.5 | 13 | 12.7 | 19 | 12.4 |
| 2 | 12.5 | 8 | 11.8 | 14 | 12.6 | 20 | 12.2 |
| 3 | 12.2 | 9 | 11.9 | 15 | 12.6 | 21 | 11.7 |
| 4 | 12.6 | 10 | 13.2 | 16 | 12.7 | 22 | 11.9 |
| 5 | 12.2 | 11 | 13.1 | 17 | 12.5 | 23 | 7.2 |
| 6 | 11.8 | 12 | 13.2 | 18 | 11.8 | 24 | 7.4 |
Experiment 2, friction factor experiment
Subjects：Obtained bearing retainer section in Example 1-17 and comparative example 1-7, and it is identical that size is made
Bar samples amount to 24 groups.
Test method：Above-mentioned 24 groups of subjects are taken, with friction coefficient tester, the coefficient of kinetic friction to every group and quiet are rubbed
Coefficient is wiped to be measured.
Experimental result：Every group of test data is charged in table 4.
4 friction factor of table tests the friction coefficient table of 1-24 groups
| Group | The coefficient of kinetic friction | Confficient of static friction | Group | The coefficient of kinetic friction | Confficient of static friction |
| 1 | 0.38 | 0.36 | 13 | 0.37 | 0.37 |
| 2 | 0.35 | 0.35 | 14 | 0.37 | 0.36 |
| 3 | 0.35 | 0.34 | 15 | 0.38 | 0.36 |
| 4 | 0.35 | 0.34 | 16 | 0.37 | 0.38 |
| 5 | 0.37 | 0.37 | 17 | 0.38 | 0.37 |
| 6 | 0.37 | 0.36 | 18 | 0.37 | 0.41 |
| 7 | 0.36 | 0.36 | 19 | 1.6 | 3.1 |
| 8 | 0.38 | 0.37 | 20 | 0.40 | 0.44 |
| 9 | 0.37 | 0.37 | 21 | 1.3 | 2.6 |
| 10 | 0.37 | 0.38 | 22 | 0.39 | 0.41 |
| 11 | 0.38 | 0.37 | 23 | 0.38 | 0.37 |
| 12 | 0.38 | 0.36 | 24 | 0.89 | 1.04 |
Experiment 3 thermally expands tests
Subjects：Obtained bearing retainer section in Example 1-17 and comparative example 1-7, and it is identical that size is made
Bar samples amount to 24 groups.
Test method：Above-mentioned 24 groups of subjects are taken, using WTD-2 type thermal dilatometers, shows poor method according to contact, takes
Standard quartz glass bar and quartz glass tube and subjects determine at middle temperature.
Experimental result：The fabric elongation amount that every group is tested is charged in table 5.
Table 5 thermally expands the fabric elongation amount (mm) of tests 1-24 groups
| Group | Elongation | Group | Elongation | Group | Elongation | Group | Elongation |
| 1 | 0.6 | 7 | 0.7 | 13 | 0.2 | 19 | 0.3 |
| 2 | 0.7 | 8 | 0.8 | 14 | 0.1 | 20 | 0.2 |
| 3 | 0.9 | 9 | 0.8 | 15 | 0.3 | 21 | 0.2 |
| 4 | 0.7 | 10 | 1.0 | 16 | 0.2 | 22 | 1.1 |
| 5 | 0.8 | 11 | 1.1 | 17 | 0.2 | 23 | 0.3 |
| 6 | 0.8 | 12 | 0.9 | 18 | 0.3 | 24 | 0.5 |
Data analysis
In conjunction with experiment 1-3, pass through the comparison of data between table 3-5, it can be seen that reinforcing fiber group is anti-for bearing retainer
The enhancing of tensile strength is fairly obvious；Lubricant and anti-wear agent be also for the influence for reducing frictional resistance it will be apparent that
Resistance when bearing operation can greatly be reduced；Expansion linear deformation when modified component is heated for bearing retainer also has
Have good inhibition, can reduce bearing retainer be heated at runtime and the deformation quantity that generates, improve precision, extension makes
Use the service life.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of novel nylon bearing retainer, which is characterized in that including following weight percentage components, antioxidant：0.1%-
0.5%；Lubricant：0.3%-0.8%；Nucleating agent：0.5%-1.1%；Anti-wear agent：3%-8%；Reinforcing fiber group：23%-28%；Polyamide
Resin：Surplus；Wherein anti-wear agent is at least one of polytetrafluoroethylene (PTFE) and molybdenum disulfide, and reinforcing fiber group includes glass fibers
Dimension.
2. a kind of novel nylon bearing retainer according to claim 1, which is characterized in that including following weight percent
Component, antioxidant：0.1%-0.3%；Lubricant：0.4%-0.5%；Nucleating agent：0.5%-0.8%；Anti-wear agent：5%-6%；Enhancing is fine
Dimension group：25%-28%；Polyamide：Surplus.
3. a kind of novel nylon bearing retainer according to claim 1, which is characterized in that the polyamide includes
Nylon 6 and nylon66 fiber, and the weight ratio of the nylon 6 and nylon66 fiber is 1:（12-17）.
4. a kind of novel nylon bearing retainer according to claim 1, which is characterized in that the reinforcing fiber further includes
At least one of carbon fiber and contraposition aramid fiber.
5. a kind of novel nylon bearing retainer according to claim 1, which is characterized in that further include that weight percent is
The modified component of 3%-5%, the modified component include at least one of grey antimony powder end and vulcanization nickel by powder.
6. a kind of novel nylon bearing retainer according to claim 1, which is characterized in that the antioxidant includes antioxygen
Agent 1098 and irgasfos 168.
7. a kind of novel nylon bearing retainer according to claim 1, which is characterized in that the lubricant is environment-friendly type
Water-base stamping lubricant.
8. a kind of novel nylon bearing retainer according to claim 1, which is characterized in that the nucleating agent is organophosphor
Barbiturates or glucitols.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810197163.1A CN108384232A (en) | 2018-03-10 | 2018-03-10 | A kind of novel nylon bearing retainer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810197163.1A CN108384232A (en) | 2018-03-10 | 2018-03-10 | A kind of novel nylon bearing retainer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217537A (en) * | 2021-05-10 | 2021-08-06 | 宁波恒力汽配轴承有限公司 | Open type linear bearing |
| CN114381113A (en) * | 2021-12-30 | 2022-04-22 | 昆山科运新型工程材料科技有限公司 | Preparation method of self-lubricating high-wear-resistance fluorine-containing polymer alloy |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217537A (en) * | 2021-05-10 | 2021-08-06 | 宁波恒力汽配轴承有限公司 | Open type linear bearing |
| CN114381113A (en) * | 2021-12-30 | 2022-04-22 | 昆山科运新型工程材料科技有限公司 | Preparation method of self-lubricating high-wear-resistance fluorine-containing polymer alloy |
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Application publication date: 20180810 |