CN107675109B - A kind of preparation method of synchronous ring - Google Patents
A kind of preparation method of synchronous ring Download PDFInfo
- Publication number
- CN107675109B CN107675109B CN201710853910.8A CN201710853910A CN107675109B CN 107675109 B CN107675109 B CN 107675109B CN 201710853910 A CN201710853910 A CN 201710853910A CN 107675109 B CN107675109 B CN 107675109B
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- basalt fibre
- fibre felt
- synchronous ring
- preparation
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/20—Making alloys containing metallic or non-metallic fibres or filaments by subjecting to pressure and heat an assembly comprising at least one metal layer or sheet and one layer of fibres or filaments
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/08—Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/025—Synchro rings
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention belongs to automobile speed-changing device fields, and in particular to a kind of preparation method of synchronous ring, comprising the following steps: step A, cut basalt fibre felt by with the size of synchronous ring base surface matching；Basalt fibre felt after cutting is impregnated with immersion liquid, the basalt fibre felt after dipping is dried；Step B, the basalt fibre felt after drying is bonded in synchronous ring base surface, and be put into mold hot forming to get.The present invention synchronizes the component and proportion of ring wear-resistant material by changing, and optimizes the preparation process of wear-resistant material, makes bond strength height between synchronization ring wear-resistant material each component prepared by the present invention, and wearability is good in actual use for finished product, and the service life is high.
Description
Technical field
The invention belongs to automobile speed-changing device fields, and in particular to a kind of preparation method of synchronous ring.
Background technique
Synchronous ring is the important component in synchronizer, it can be effectively reduced vibration, impact during automobile gear shift
And noise, to improve the safety of the stability and traveling of automobile operation.When synchronous ring inner conical surface and gear-wheel gear-ring to be joined
After outer cone face contact, gear rotational speed reduces rapidly or is increased to the revolving speed equal with synchronous ring under the action of moment of friction, and two
Person's synchronous rotary, gear is zero relative to synchronous ring revolving speed, thus moment of inertia also disappears simultaneously, at this moment in the promotion of active force
Under, combined cover is engaged with synchro converter ring in the clear, and is further engaged completion with the gear ring of gear to be joined and shifted gears
Journey.Synchro converter ring is formed by ring gear ontology is be bonded with frictional layer, and frictional layer mostly uses carbon cloth for matrix, increase resin,
The carbon fibre reinforced composite that graphite powder etc. is prepared.Carbon fibre reinforced composite is current state-of-the-art composite material
One of, it is other fiber reinforcements that it, which has the characteristics that high-strength light, high temperature resistant, anticorrosive, wear-resistant, thermodynamic property is excellent,
Composite material is incomparable, has obtained widespread adoption in military and civilian various aspects.With the height of fibre reinforced
Molecular composite material becomes research hotspot in recent years.
Carbon cloth and gear-wheel gear-ring outer cone face contact to be joined in existing synchro converter ring work, but by carbon cloth
Preparation proportion and the difference of preparation method, lead to fibre bundle serious wear in carbon cloth, carbon cloth friction stability is poor,
Service life is low.So it is badly in need of that a kind of wearability is good, the service life height synchronization ring friction material high in combination with intensity.
The middle patent of invention CN200910114345.9 that crosses discloses a kind of carbon cloth composite friction material, this patent application
In friction layer of automobile aluminium alloy synchronizer ring gear, frictional layer is made to have excellent heat resistance and wearability, very high shearing is strong
Degree, excellent frictional behaviour and corrosion resistance.Its carbon cloth is prepared by dipping, drying, pressing, cutting, bonding,
Wherein flatten is to cut for convenience to carbon cloth.But the carbon cloth hardness after drying is higher, is directly flattened
Carbon fiber is caused to be broken.It is to compress synchronizer toothed ring matrix and carbon cloth with pressing mold that it, which is bonded, but synchronizer toothed ring matrix
Surface is taper, and being driven plain carbon cloth can not match with synchronizer toothed ring matrix, when pressing mold compresses, again results in carbon fiber
Dimension fracture.Lead to that friction stability is poor in synchro converter ring use, the service life is low.
Chinese invention patent CN200410013150.2 discloses a kind of automobile steel synchro converter ring carbon fiber friction material
Material and usage, this patent are studied for the wear-resistant material of steel synchronizer, by changing material component and processing method, solution
The frictional behaviour for not having alloyed copper due to the frictional behaviour of steel of having determined is good, using sprayed molybdenum on the combination conical surface of synchro converter ring
Method improves its frictional behaviour, since the price of molybdenum is still very high, keeps finished product economy poor.There is also preparation processes simultaneously
The problem of causing carbon fiber to be broken.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of preparation method of synchronous ring.
In order to achieve the above object, present invention employs following technical proposals:
A kind of preparation method of synchronous ring, comprising the following steps:
Step A, basalt fibre felt is cut by with the size of synchronous ring base surface matching；The Black Warrior after cutting
Rock fibrofelt is impregnated with immersion liquid, and the basalt fibre felt after dipping is dried.
Carbon cloth is cut again after dipping, drying, pressing in the prior art, and this preparation method is then profound
Cut before military rock fibrofelt dipping, drying and have the benefit that
1, carbon cloth just can be carried out cutting after having to pass through dipping, drying moulding in the prior art, after dipping, drying
Carbon cloth hardness increases, and moulding is deteriorated, and planarization not can guarantee, and must just can be carried out cutting after flattening, pressing causes
Fibrous fracture influences using effect.And basalt fibre felt itself has preferable planarization, while fine in basalt fibre felt
The phenomenon that one-dimensional disorder is staggeredly interspersed, and cutting not will cause stripped thread, can directly be cut, impregnated, dried.Nothing after drying
It must be flattened, keep technique simpler.
2, basalt fibre felt forms the periphery of basalt fibre felt after cropped, which has better in dipping
Wellability, in particular improves the bond strength of carbon cloth periphery and resin, and the intensity on carbon cloth periphery, wearability are more
It is high.Carbon cloth of the carbon cloth using dipping, the technique dried, flatten, cut, after dipping, drying, pressing in the prior art
Middle carbon fiber and resin-bonded, solidification, hardness is very high, is inconvenient cutting process, it is often more important that cutting process is destroyed
Good combination at cutting between carbon fiber and resin reduces the intensity at cutting, wearability.
3, dry after basalt fibre felt need not move through other techniques, using the residual temperature after drying can directly into
Row bonding, compression moulding technique, preparation method are easier.And need to be into crossing pressing, cutting after drying in the prior art, remnants are warm
Degree is unable to reach the requirement of bonding preparation, need to heat again.
Step B, the basalt fibre felt after drying is bonded in synchronous ring base surface, and is put into mold and is hot pressed into
Shape to get.
Preferably, further including step B ' between the step A and step B, by the basalt fibre felt both ends after drying
Bonding, is compressed to taper immediately.
Directly carbon cloth is bonded in the prior art, but in fact carbon cloth is viscous with synchronous ring base surface
It is divided into two processes when connecing, is that the bending of carbon cloth stress makes carbon fiber surface and synchronous ring base surface matching first, then
Carbon cloth is bonded with synchronous ring base surface again.
Basalt fibre felt after drying is compressed to taper, from technique for sticking solely by basalt fibre felt bending process
It is vertical to come out, keep basalt fibre felt adhesive reinforcement higher, bonding stability is more preferable.
It should be understood that this pressing process is necessary in order to be bonded basalt fibre felt with synchronous ring base surface
It is different that technique is flattened after the technique of process, the technique and drying in the prior art.
Further preferably, further include step A' before the step A, plasma treatment is carried out to basalt fibre felt.Deng
Ion processing can remove the impurity particle on basalt fibre felt surface, Substrate Surface Roughness and surface wettability be improved, profound
The bond strength between each component is improved after military rock fibrofelt dipping.
Still more preferably, bonding refers to and is bonded one or more layers Black Warrior on synchronous ring base surface in the step B
Rock fibrofelt.The stickup number of plies for increasing basalt fibre felt can not only increase the thickness of frictional layer, while can significantly improve
The adhesive strength of basalt fibre felt.But in view of the number of plies is more, manufacture difficulty is higher, it is preferred to use one or two layers carbon fiber
Cloth is bonded.
Still more preferably, drying refers to that basalt fibre felt, which is put into vacuum desiccator, dries in the step A.Through true
It is infiltrated between each component inside basalt fibre felt after empty drier drying and more enriches, is full, wellability more preferably, actually makes
It is more preferable with middle wearability.
Still more preferably, immersion liquid each component and basalt fibre felt are as follows by weight ratio in the step A:
23-35 parts of basalt fibre felt,
8-17 parts of fire resistant resin,
2-7 parts of molybdenum disulfide,
15-30 parts of graphite powder,
12-25 parts of alumina powder,
2-7 parts of iron powder,
1-3 parts of brass powder,
10-18 parts of blanc fixe.
Carbon cloth is replaced with into basalt fibre felt, improves heat-resisting quantity, thermal shock resistance, the economy of wear-resistant material
Property.Meanwhile alumina powder is increased in original synchronous ring wear-resistant material component, while adjusting the proportion of each component, it mentions
The wearability of high carbon cloth and service life.
Still more preferably, immersion liquid each component and basalt fibre felt are as follows by weight ratio in the step A:
28-32 parts of basalt fibre felt,
10-15 parts of fire resistant resin,
3-5 parts of molybdenum disulfide,
17-25 parts of graphite powder,
15-20 parts of alumina powder,
3-6 parts of iron powder,
1-3 parts of brass powder,
12-16 parts of blanc fixe.
The parts by weight of each component are optimized, wearability and service life more preferably wear-resistant material are obtained.
More a step is preferred, and immersion liquid each component and basalt fibre felt are as follows by weight ratio in the step A:
30 parts of basalt fibre felt,
12 parts of fire resistant resin,
4 parts of molybdenum disulfide,
20 parts of graphite powder,
18 parts of alumina powder,
4 parts of iron powder,
2 parts of brass powder,
14 parts of blanc fixe.
The parts by weight of each component are optimized, wearability and service life optimal wear-resistant material are obtained.
The invention has the following advantages that
The present invention synchronizes the component and proportion of ring wear-resistant material by changing, and optimizes the preparation process of wear-resistant material, makes this
Bond strength is high between the prepared synchronization ring wear-resistant material each component of invention, and wearability is good in actual use for finished product, the service life
It is high.
Detailed description of the invention
Fig. 1 is the schematic diagram of the basalt fibre felt after cutting.
Fig. 2 is basalt fibre felt dipping, pressed schematic diagram in Fig. 1.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Comparative example, using the preparation process in existing number of patent application 200910114345.9, preparation method include with
Lower step:
Step 1 weighs raw material by following component weights: 48 parts of FB fire resistant resin, 5 parts of iron powder, and artificial stone
5 parts of ink powder；21 parts of blanc fixe；20 parts of talcum powder；2 parts of molybdenum disulfide；14 parts of nitrile rubber；12 parts of 6K carbon cloth.
Component in addition to carbon cloth is stirred evenly by weight ratio immersion liquid is made by step 2, by immersion liquid brushing in carbon fiber
It is impregnated on Wei Bu, then is dried, flattened, cut.
Step 3, carbon cloth is bonded on synchronous ring, be put into mold hot forming to get.
Embodiment 1, the preparation method of synchronous ring the following steps are included:
Step 1, the raw material for matching composition weight of the embodiment 1 in table 1 in addition to basalt fibre felt, raw material are stirred equal
It is even, immersion liquid is made.
Step 2 carries out plasma treatment, plasma reflecting time 2-3min to basalt fibre felt.
Step 3 cuts basalt fibre felt by with the matched size of synchronous ring, as shown in Figure 1.By immersion liquid brushing
It is impregnated in basalt fibre felt, the basalt fibre felt after dipping is put into the drying of vacuum drying device.
Basalt fibre felt both ends after drying are bonded by step 4, are placed on taper die and are suppressed immediately, so that the Black Warrior
Rock fibrofelt is identical as synchronous ring base Surface Taper, as shown in Figure 2.
Step 5 is synchronizing one layer of basalt fibre felt of ring base surface high-temp glue sticking, and is being put into mold and is hot pressed into
Shape to get.
2 each component weight proportion of embodiment in table 1 is prepared synchronous ring by embodiment 2, and preparation method is the same as embodiment 1.Its
Preparation method is in addition to step 5 with embodiment 1.Step 5 in embodiment 2 are as follows: at synchronous two layers of glue sticking of ring base surface high-temp
Basalt fibre felt, and be put into mold hot forming to get.
3 each component weight proportion of embodiment in table 1 is prepared synchronous ring by embodiment 3, and preparation method is the same as embodiment 1.
4 each component weight proportion of embodiment in table 1 is prepared synchronous ring by embodiment 4, and preparation method is the same as embodiment 1.
5 each component weight proportion of embodiment in table 1 is prepared synchronous ring by embodiment 5, and preparation method is the same as embodiment 1.
It is as shown in table 2 by detection comparative example, the mechanical property of embodiment 1-5 and frictional behaviour.
Table 1
Table 2: mechanical property and frictional behaviour contrast table
Note: wear rate (10-7cm3/N·m)
By table 2 it is found that 2 frictional behaviour of embodiment is optimal at 150 DEG C, embodiment 3 is taken second place, but at 250 DEG C, real
It applies example 3 and shows optimal coefficient of friction and minimum wear rate, wear rate is lower than comparative example 13%, so embodiment 3 is
Optimal case.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (7)
1. a kind of preparation method of synchronous ring, it is characterised in that: the following steps are included:
Step A, basalt fibre felt is cut by with the size of synchronous ring base surface matching；Basalt is fine after cutting
Dimension felt is impregnated with immersion liquid, and the basalt fibre felt after dipping is dried；
Step B, the basalt fibre felt after drying is bonded in synchronous ring base surface, and is put into hot forming in mold, i.e.,
?；
Immersion liquid each component and the weight proportion of basalt fibre felt are as follows in the step A:
23-35 parts of basalt fibre felt,
8-17 parts of fire resistant resin,
2-7 parts of molybdenum disulfide,
15-30 parts of graphite powder,
12-25 parts of alumina powder,
2-7 parts of iron powder,
1-3 parts of brass powder,
10-18 parts of blanc fixe.
2. a kind of preparation method of synchronous ring according to claim 1, it is characterised in that: between the step A and step B
Further include step B ', by the basalt fibre felt both ends bonding after drying, is compressed to taper.
3. a kind of preparation method of synchronous ring according to claim 2, it is characterised in that: further include before the step A
Step A', plasma treatment is carried out to basalt fibre felt.
4. a kind of preparation method of synchronous ring according to claim 3, it is characterised in that: be bonded and refer in the step B
One or more layers basalt fibre felt is bonded on synchronous ring base surface.
5. a kind of preparation method of synchronous ring according to claim 4, it is characterised in that: dry and refer in the step A
Basalt fibre felt is put into vacuum desiccator drying.
6. a kind of preparation method of synchronous ring according to claim 1, it is characterised in that: immersion liquid each group in the step A
Divide as follows with the weight proportion of basalt fibre felt:
28-32 parts of basalt fibre felt,
10-15 parts of fire resistant resin,
3-5 parts of molybdenum disulfide,
17-25 parts of graphite powder,
15-20 parts of alumina powder,
3-6 parts of iron powder,
12-16 parts of blanc fixe.
7. a kind of preparation method of synchronous ring according to claim 6, it is characterised in that: immersion liquid each group in the step A
Divide as follows with the weight proportion of basalt fibre felt:
30 parts of basalt fibre felt,
12 parts of fire resistant resin,
4 parts of molybdenum disulfide,
20 parts of graphite powder,
18 parts of alumina powder,
4 parts of iron powder,
2 parts of brass powder,
14 parts of blanc fixe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710853910.8A CN107675109B (en) | 2017-09-20 | 2017-09-20 | A kind of preparation method of synchronous ring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710853910.8A CN107675109B (en) | 2017-09-20 | 2017-09-20 | A kind of preparation method of synchronous ring |
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| CN107675109A CN107675109A (en) | 2018-02-09 |
| CN107675109B true CN107675109B (en) | 2019-05-07 |
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| CN110744886A (en) * | 2019-11-01 | 2020-02-04 | 南方科技大学 | Metal protective film and preparation method thereof |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1004295B (en) * | 1985-04-01 | 1989-05-24 | 费如多有限公司 | Friction materials and their manufacturing method |
| FR2844565B1 (en) * | 2002-09-12 | 2005-06-17 | Valeo Materiaux De Friction | FRICTION FIT FOR EQUIPPING A DEVICE USING DRY FRICTION, METHOD FOR MANUFACTURING THE SAME, AND FRICTION DISK WITH SUCH FITTING |
| JP2004331861A (en) * | 2003-05-09 | 2004-11-25 | Nisshinbo Ind Inc | Friction material |
| JP4593466B2 (en) * | 2003-06-04 | 2010-12-08 | 田中精密工業株式会社 | Friction material for transmission |
| CN1247668C (en) * | 2004-05-14 | 2006-03-29 | 武汉理工大学 | Automobile steel-made synchronizer ring gear carbon fiber friction material and use |
| EP2071209A1 (en) * | 2007-12-12 | 2009-06-17 | HOERBIGER Antriebstechnik GmbH | Non-metallic friction lining |
| CN101671535B (en) * | 2009-08-29 | 2011-01-05 | 桂林星火机械制造有限公司 | Carbon cloth composite friction material and applications thereof on manufacturing friction layer of automobile aluminium alloy synchronizer ring gear |
| AT510943A1 (en) * | 2011-01-13 | 2012-07-15 | Miba Frictec Gmbh | FRICTION MATERIAL |
| US9683614B2 (en) * | 2014-01-29 | 2017-06-20 | Eaton Corporation | Transmission gear synchronizer blocker ring formed of a thermoplastic material |
| CN104565107A (en) * | 2014-12-31 | 2015-04-29 | 东风商用车有限公司 | Steel base composite resin base synchronizer ring for heavy duty vehicle |
| CN105065499B (en) * | 2015-03-24 | 2017-08-04 | 昆山盛夏复合材料科技有限公司 | A kind of carbon fibre synchronization device ring gear for including insulation crack arrest layer |
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