CN105387211A - Floating oil seal with ceramic dispersion strengthening metal wear-resisting belt and metal stamping ring bodies - Google Patents
Floating oil seal with ceramic dispersion strengthening metal wear-resisting belt and metal stamping ring bodies Download PDFInfo
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- CN105387211A CN105387211A CN201510758985.9A CN201510758985A CN105387211A CN 105387211 A CN105387211 A CN 105387211A CN 201510758985 A CN201510758985 A CN 201510758985A CN 105387211 A CN105387211 A CN 105387211A
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Abstract
The invention provides a floating oil seal with a ceramic dispersion strengthening metal wear-resisting belt and metal stamping ring bodies. The floating oil seal comprises the pair of sealing ring bodies of up-down symmetrical structures. The working face of each sealing ring body is provided with an annular groove used for containing a sealing face. The sealing ring bodies are formed through metal stamping. A circle of wear-resisting belt is fixedly assembled in a wear-resisting belt assembly groove. The wear-resisting belt is made of metal materials added with ceramic powder which is distributed in a dispersed phase state. The addition quantity of the ceramic powder is not larger than 5% of the total mass of the metal materials. The wear face of the wear-resisting belt is located on the same plane as the working faces of the sealing ring bodies or protrudes out relative to the working faces. According to the floating oil seal, the wear resistance degree of the working faces can be effectively improved, the service life can be prolonged, machining is easy, and the production cost is low.
Description
Technical field
The present invention relates to mechanical field, particularly relate to a kind of ceramic dispersoid reinforced metal wear-resistant strip for Floating End Face Seal in machinery, metal stamping ring body float grease seal.
Background technique
Float grease seal is applied to Floating End Face Seal, that a kind of consumption is large, the mechanical seal of purposes wide (nearly 10,000,000 of whole nation year requirement amount), as shown in Figure 1, this sealing is installed by two metal Floating End Face Seal rings (abbreviation float grease seal) and two " O " type rubber seal and is formed on center shaft.There is wear-resisting, shock-resistant, certain adaptivity, the life-span be long, structure is simple, inexpensive, the features such as convenient are changed in maintenance, are used widely in the sealing configuration of mine, engineering machinery, building machinery, farm machinery, Transport Machinery, deep drilling rig, down-hole mining machinery.Due to Environmental Conditions special of float grease seal, therefore it belongs to easily worn part.The mounting point of exposing, the technical ability of Installation and Debugging personnel, ambient temperature, the factors such as the performance of lubricant oil are all to having a direct impact its working life.
Floating current oil sealing generally adopts following technological forming:
Precision casting type, namely High CrMo Alloy Cast Iron adopts the precision casting of dewax shell mould, finished surface hardness HRC65-72, working surface roughness Ra value is 0.2-0.4 μm, bright band Ra value is 0.1 μm, theoretical life-span 4000-6000h, actual life about 3000-4000h.
Machinery die casting mould, i.e. alloy cast iron die cast, finished product metallographic structure is finer and closely woven, but cost is slightly high, and working surface roughness Ra value is 0.2-0.4 μm, and bright band Ra value is 0.09-0.15 μm, theory life-span 4000-6000h, actual life about 4000-5000h.
Powder metallurgy Forging, namely powder metallurgy powder forms through high temperature forge hot, and working surface roughness Ra value is 0.4 μm, theoretical life-span 2000-4000h, actual life about 1500-2000h.
Metal forging type, namely with Bearing Steel be representative alloyed steel die forging or grind forging molding, finished product metallographic structure is finer and closely woven, finished surface hardness HRC60-68, and bright band Ra value is≤0.2 μm, theory life-span 4000-5000h, actual life about 2000-3000h.
Thermal spraying type, namely body material is plain cast iron, the high chrome molybdenum powder that thermal spraying 0.05-0.20mm is thick on working surface, and abrasive machining forms, theoretical life-span 4000-6000h, actual life about 3000-4000h.This technique saves rare metal, but must by device-restrictive, and productivity is low, and cost is high.
In sum, the float grease seal of current existing various molding mode, there is various deficiency and defect in it in working life, performance, productivity, cost etc.
Summary of the invention
Technical problem to be solved by this invention is exactly the deficiency for above-mentioned background technology, a kind of ceramic dispersoid reinforced metal wear-resistant strip, metal stamping ring body float grease seal are provided, effectively can improve the abrasivity of working surface, increase working life, be more conducive to float to the heart, and be easy to processing, low production cost.
For solving the problems of the technologies described above, a kind of ceramic dispersoid reinforced metal wear-resistant strip provided by the invention, sheetmetal punching press ring body float grease seal, comprise, the pair of seal rings body of lower symmetrical configuration, described seal ring body working surface is provided with a circle for laying the groove of sealing surface, described seal ring body is stamped to form by sheetmetal, described wear-resistant strip fitting recess internal fixtion is equipped with a circle wear-resistant strip, described wear-resistant strip adopts and is added with ceramic powder, and ceramic powder is made with the metallic material of the fractions distribution of dispersed network phase, the adding quantity of described ceramic powder is no more than 5% of metallic material gross mass, the rubbing surface of described wear-resistant strip and the working surface of seal ring body are in same plane or comparatively working surface evagination.
In technique scheme, the adding quantity of described stupalith preferably accounts for 0.05% ~ 1.2% of metallic material gross mass.
In technique scheme, the adding quantity of described stupalith most preferably accounts for 0.6% ~ 0.8% of metallic material gross mass.
In technique scheme, the grain graininess of described stupalith is no more than 60nm.
In technique scheme, the grain graininess preferably 10 ~ 30nm of described stupalith.
In technique scheme, described stupalith is A1
2o
3, ThO
2, Y
2o
3ceramic powder.
In technique scheme, described stupalith is A1
2o
3ceramic powder.
In technique scheme, described stupalith is the nanometer A1 of purity more than 99%
2o
3ceramic powder.
In technique scheme, the rubbing surface of described wear-resistant strip is compared with the working surface evagination of seal ring body.
In technique scheme, described seal ring body is by sheetmetal impact briquetting.
In technique scheme, described seal ring body is at least stamped to form through more than twice by sheetmetal.
In technique scheme, described seal ring body is by after sheetmetal impact briquetting, and surface is also through transpassivation, antirust treatment.
In technique scheme, described wear-resistant strip is bonded in wear-resistant strip fitting recess, or as mold insert, with riveted joint mode fix.
Compared with prior art, beneficial effect of the present invention is: the wear-resistant strip that the metallic material that present invention employs ceramic dispersoid enhancing is made, and effectively can improve the wear-resisting property of float grease seal, effectively improve the working life of float grease seal; Meanwhile, effectively can improve hardness, the smoothness of float grease seal working surface, reduce surface friction drag, reduce the heating value in working procedure, improve the ability that float grease seal heat resistanceheat resistant is damaged; Seal ring body of the present invention adopts the mode of metal stamping to make, and compared with conventional metals ring body, it is cheap, is easier to processing, can saves a large amount of manpower, significantly can reduce cost of production, significantly enhance productivity; Because the metal ring body weight of stamping forming seal ring body overall weight than casting, forging, powder metallurgy forming significantly reduces, be more conducive to float to the heart, can also reduce mechanical load simultaneously, increase useful work, maintain and replace is also more convenient; Compared with conventional metals ring body processing technology, eliminate the operation such as size surplus machining, heat treatment of ring body blank, while significantly enhancing productivity, significantly can also reduce energy consumption, reduce costs further.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing float grease seal;
Fig. 2 is the assembly structure schematic diagram of float grease seal of the present invention;
Fig. 3 is the structural representation of the embodiment of the present invention 1;
Fig. 4 is the structural representation of the embodiment of the present invention 2;
Fig. 5 be the embodiment of the present invention 2 look up structural representation;
Wherein, 1-seal ring body, 2-seal ring, 3-groove, 4-working surface, 5-wear-resistant strip fitting recess, 6-wear-resistant strip, 7-rubbing surface, 8-wear-resistant strip draw-in groove.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in further detail:
As shown in Figure 2, ceramic dispersoid reinforced metal wear-resistant strip designed by the present invention, metal stamping ring body float grease seal, comprise the pair of seal rings body 1 of upper and lower symmetrical configuration, described seal ring body 1 is made up of metal stamping mode, described seal ring body 1 arranged outside has a circle for laying the groove 3 of seal ring 2, and seal ring 2 is arranged in groove.Described seal ring body 1 preferably adopts the mode of sheetmetal punching press to make, the technique punching press of more than twice can be adopted, once strike out pre-blank, then through one or many punching press final molding, the effect being similar to machinery forging can be played, improve mechanical strength and the rigidity of seal ring body 1.The working surface 4 of described seal ring body 1 offers a circle wear-resistant strip fitting recess 5, described wear-resistant strip fitting recess 5 internal fixtion is equipped with a circle wear-resistant strip 6, described wear-resistant strip 6 employing is added with ceramic powder and ceramic powder is made with the metallic material of the fractions distribution of dispersed network phase, the adding quantity of described ceramic powder is no more than 5% of metallic material gross mass, and the rubbing surface of described wear-resistant strip 67 and the working surface 4 of seal ring body 1 are in same plane or comparatively working surface 4 evagination.
Float grease seal this problem short, easy to wear in working life is a great problem of puzzlement those skilled in the art always.For how to improve float grease seal working life, increase its durability degree, those skilled in the art is studying always.At present for the problems referred to above, generally have two kinds of directions of improving, the first improves from technique, and another kind is to the modification of working surface material.Technologic improvement mainly utilizes advanced powder metallurgy thermal forging technology or mechanical extrusion process to make float grease seal, the overall mechanical properties of float grease seal is improved by manufacturing process, improve its intensity, hardness and wear-resisting property, thus improve its working life.Material modification is then on the working surface of float grease seal, spray some high chrome molybdenum powder, improves the wear-resisting property of working surface with this, thus improves the working life of float grease seal.No matter adopt which kind of mode, those skilled in the art all not consideration Inorganic Non-metallic Materials improve the antiwear property improving float grease seal wear-resistant strip.Its core reasons are, the nonmetallic material of high hardness, high-wear resistance, generally frangible, easily break, simultaneously its heat-conducting property is generally poor, because it is the key factor affecting wear-resisting property that friction produces high temperature.And meet that hardness is high, rub resistance simultaneously, simultaneously non-friable again and possess the material of certain heat-conducting property, price is very high again, and for this fragile part of float grease seal, fancy price means increases user cost exponentially.Consider above-mentioned factor, so make improvements float grease seal howsoever, technician generally selects metallic material to make float grease seal, and the Inorganic Non-metallic Materials such as pottery can not be adopted to improve the mechanical property improving float grease seal body material.
Secondly, related domain adopts wear resisting cast iron or alloyed steel to make the seal ring body 1 of float grease seal always, also has certain contacting with above-mentioned difficult point.Why adopt metal material, be consider that metal machinery intensity is high on the one hand, possess certain wear resistance, be then that metal material heat-conducting property is better on the other hand, can effectively frictional heat be derived.Add float grease seal generally to work under comparatively rugged environment, easily produce wear out failure, thus related domain only can select metallic material that better mechanical property, thermal conductivity and heat resistance are all comparatively excellent to prepare the seal ring body 1 of float grease seal.
And the present inventor is by conceiving cleverly, reasonably solve this technology prejudice of related domain.First, inventor arranges wear-resistant strip fitting recess 5 on working surface, and assembling wear-resistant strip 6, makes working surface 4 form a kind of rubbing surface of combined type; Secondly, the principle of Second Phase Particles dispersion strengthening has been incorporated in the design of float grease seal by inventor, creatively contemplate and utilize the ceramic crystalline grain of dispersion to improve hardness and the wear-resisting property of the rubbing surface of float grease seal, adopt such design, the wear-resistant strip hardness of float grease seal obtains and effectively strengthens, and its hardness can not the production creep because of fricative high temperature, and thermal conductor material remains metal, while taking into account durability degree, effectively can ensure again the needs dispelled the heat that rub.Adopt the structure of this composite surface, not only reasonably overcome technology prejudice, also for the improvement of seal ring body 1 creates condition.The present invention adopts metal stamping formed mode to prepare seal ring body 1, coordinates the design of wear-resistant strip 6, ideally overcomes conventional art prejudice, solve a prior art difficult problem, reach beyond thought effect.
Stamping part, compared with foundry goods, forging, has thin, even, light, strong feature.Punching press can make the workpiece with stiffening rib, rib, fluctuating or flange that additive method is difficult to manufacture, to improve its rigidity.Owing to adopting precision die, workpiece accuracy can reach micron order, and repeatability is high, specification is consistent, can punching press to portal nest, boss etc.Cold-stamped part is general no longer through cutting, or only needs a small amount of cutting.Heat-punch member precision and surface state lower than cold-stamped part, but still are better than foundry goods, forging, and cutting amount is few.
Punching press is efficient production method, adopts compound die, especially multi-station progressive die, can complete multi-step forming processes on a press machine (single station or multi-position), realizes by the uncoiling of band material, leveling, stamping-out to the full-automatic production of shaping, finishing.Manufacturing efficiency is high, and working condition is good, and cost of production is low, generally per minutely produces hundreds of.Compared with other method of machining and plastic working, punch process all has the advantage of many uniquenesses at technical elements or economic aspect.
1. feature main manifestations is as follows.
1). the manufacturing efficiency of punch process is high, and easy to operate, is easy to realize mechanization and automation.This is because punching press relies on punch die and punching equipment to complete processing, the number of strokes of ordinary press is per minutely reach tens times, and high-speed blanking press is per minute reaches hundreds of times even more than thousand times, and each punching stroke just may obtain a stamping.
2). because mould ensure that the size and shape precision of stamping part during punching press, and generally do not destroy the surface quality of stamping part, and the life-span of mould is general longer, so the steady quality of punching press, interchangeability is good, has the feature of " striking resemblances ".
3). punching press can process the part that dimensional changes scope is comparatively large, shape is more complicated, and as little to the stopwatch of clock and watch, arrive automobile longitudinal girder, covering etc. greatly, add the flow harden effect of material during punching press, the strength and stiffness of stamping part are all higher.
4). cold stamping does not generally have chip particle to generate, and the consumption of material is less, and does not need other heating plant, because of but a kind of material-saving, energy-conservation processing method, the cost of stamping part is lower.
Because stamping process has superiority like this, punch process is quite extensive in national economy every field application area.Such as, in aerospace, aviation, military project, machinery, agricultural machinery, electronics, information, railway, post and telecommunications, traffic, chemical industry, medical apparatus, has punch process in the department such as daily-use electrical appliance and light industry.Not only whole industrial circle all uses it, and everyone directly and stamping products contact.Picture aircraft, train, automobile, tractor just has greatly many, in, small size stamping parts.The vehicle body of sedan car, the component such as vehicle frame and rim be all punch process out.According to relevant investigation statistics, bicycle, sewing machine, has 80% to be stamping part in wrist-watch; Television set, radio cassette player, has 90% to be stamping part in vidicon camera; Also having food metal ladle bowl, aluminium pan stove, enamel basin bowl and stainless steel tableware, is all the punch process product using mould; Stamping part is can't do without even also lack in the hardware of computer.
After adopting technical solution of the present invention, the overall weight of float grease seal obtains and significantly reduces, and is more conducive to float to the heart, and its performance has had certain raising than traditional oil sealing.And cost of material reduces, processing cost declines to a great extent.And the conventional production methods of float grease seal ring body: not only energy consumption is high for the process steps such as casting, forging, machining, heat treatment, and complex process, and energy cost and human cost are all very high.Thus economic benefit of the present invention is very considerable, can also save energy and reduce the cost, and reduces environmental pollution.Moreover after the overall weight of float grease seal of the present invention obtains and significantly reduces, mechanical load during work also declines, and Effective power obviously increases thereupon.Meanwhile, because there is nanometer A1
2o
3ceramic powder is to the Second Phase Particles dispersion-strengthened action of metal matrix material, provide the potentiality that subsequent heat treatment operation effectively can improve wear-resistant strip material surface hardness, for machining processes can produce high hardness, the working surface of low roughness creates condition, friction factor is significantly reduced, significantly reduce frictional heat during work, even if under more severe condition, its fricative heat is also less, complete can be derived by sealing oil, significantly improves product performance and stability.
Wear-resistant strip 6 of the present invention preferably adopts A1
2o
3, ThO
2, Y
2o
3ceramic powder as Second Phase Particles dispersion strengthening agent, wherein A1
2o
3cost is minimum, when taking into account performance and cost, and the most preferably nanometer A1 of purity more than 99%
2o
3ceramic powder.
In the present invention, the adding quantity of stupalith is core, adds the internal stress that too much pottery largely can change shaping rear metallic material, not only cannot play the object improving scurf resistance, the performance index of metallic material also can be made to reduce, and thus how controlling adding quantity is key of the present invention.Inventor, through groping and testing for many years, is finally surprised to find that ceramic powder adding quantity controls within 5%, the mechanical property of metallic material and wear-resisting property can be made all to improve.Grope through testing for a long time further, inventor finds that ceramic powder adding quantity controls in 0.05% ~ 1.2% scope, and the metallic material mechanical property after shaping and wear-resisting property can improve more than 15%; And control ceramic powder adding quantity further, make it control in 0.6% ~ 0.8% scope, the metallic material mechanical property after shaping and wear-resisting property can improve more than 30%.
Inventor also finds, the grain graininess of ceramic powder has effect equally to disperse effect, and excessive particle can make metallic material internal stress excessive, metallic material is become fragile, easy-rupturing, and too small grain graininess is difficult to processing and obtains, and cost is higher.Grope through long experiment, inventor finds that the grain graininess of ceramic powder needs to control within 60nm, and the granularity of 10 ~ 30nm is preferably scope.
Impact wear-resistant strip to reduce axial pressure, preferred described wear-resistant strip 6 is arranged on the exterior rim of working surface 4, and the oil film allowing the pressure oil of endoporus be formed at working surface slows down axial impact force.More preferably, for the wearing and tearing reducing working surface 4 metal covering form the rubbing surface that Grinding grits enters wear-resistant strip 6, the distance that the rubbing surface 7 of described wear-resistant strip 6 protrudes the working surface 4 of seal ring body 1 preferably controls within the scope of 0.1 ~ 0.2mm.And if consideration is dispelled the heat, then preferred described wear-resistant strip 6 is arranged on the inside rim of working surface 4, linear velocity relative when running like this is little, and heating value is little.
Embodiment 1
As shown in Figure 3, the ceramic dispersoid reinforced metal wear-resistant strip of the present embodiment, metal stamping ring body float grease seal, comprise the pair of seal rings body 1 of upper and lower symmetrical configuration, described seal ring body 1 is shaping by sheetmetal two times punch, described seal ring body 1 arranged outside has a circle for laying the groove 3 of seal ring 2, and seal ring 2 is arranged in groove.The working surface 4 of described seal ring body 1 offers a circle wear-resistant strip fitting recess 5, described wear-resistant strip fitting recess 5 internal fixtion is equipped with a circle wear-resistant strip 6.The metallic material that described wear-resistant strip 6 adopts ceramic dispersoid to strengthen is made, and is raw metal, selects purity more than 75%, granularity is the ThO of 30nm with wear resisting cast iron
2ceramic powder, adding quantity controls accounting for 0.8% of metal quality.The rubbing surface 7 of described wear-resistant strip 6 protrudes the working surface 4 of seal ring body 1, and protrusion height is in the scope of 0.1 ~ 0.15mm.Described wear-resistant strip 6 adopts bonding mode to fix.
After testing, the float grease seal of the present embodiment can reach more than 6500 hours working life, and property indices all can meet the usage requirement of float grease seal.
Embodiment 2
As shown in Figure 4, the ceramic dispersoid reinforced metal wear-resistant strip of the present embodiment, metal stamping ring body float grease seal, comprise the pair of seal rings body 1 of upper and lower symmetrical configuration, described seal ring body 1 by sheetmetal through three impact briquettings, and phosphorating treatment has been carried out on surface, described seal ring body 1 arranged outside has a circle for laying the groove 3 of seal ring 2, and seal ring 2 is arranged in groove.The working surface 4 of described seal ring body 1 offers a circle wear-resistant strip fitting recess 5, described wear-resistant strip fitting recess 5 internal fixtion is equipped with a circle wear-resistant strip 6.The metal material that described wear-resistant strip 6 adopts ceramic dispersoid to strengthen is made, and is raw metal, selects purity more than 99%, granularity is the A1 of 10nm with wear resisting cast iron
2o
3ceramic powder, adding quantity controls accounting for 0.5% of metal quality.The rubbing surface 7 of described wear-resistant strip 6 is in same plane with the working surface 4 of seal ring body 1.The mode that described wear-resistant strip 6 adopts plane to coordinate is embedded in wear-resistant strip fitting recess 5, and riveted joint is fixing.Described wear-resistant strip 6 periphery is provided with draw-in groove 8, and on seal ring body 1, punching has riveted joint stake correspondingly, the two riveted joint.Wear-resistant strip 6 both ends of the surface outer circumferential edge is provided with 45 ° of chamferings.
After testing, the float grease seal of the present embodiment can reach more than 6500 hours working life, and property indices all can meet the usage requirement of float grease seal.
Comprehensive above-described embodiment can be found out, ceramic dispersoid reinforced metal wear-resistant strip of the present invention, metal stamping ring body float grease seal, all can meet the usage requirement of float grease seal at property indices while, its working life at least can reach more than 6000 hours.
Compare current existing float grease seal, the present invention is while low cost, easily processing, and wear-resisting property is excellent and working life is of a specified duration, and compared with existing float grease seal, actual life extends more than 30%.
Core of the present invention utilizes the stamping forming seal ring body 1 of sheetmetal to substitute conventional cast part or the forge piece seal ring body 1 as float grease seal; wear-resistant strip 6 is set on float grease seal working surface 4 simultaneously; form compound working surface; both wear resistance and working life is increased to reach; significantly can reduce costs again, save energy and reduce the cost, significantly alleviate the object of float grease seal weight; therefore; protection scope of the present invention is not limited only to above-described embodiment; on the basis of the principle of the invention; any change or distortion utilizing above-mentioned mechanism, all belongs to protection scope of the present invention.
Claims (14)
1. a ceramic dispersoid reinforced metal wear-resistant strip, metal stamping ring body float grease seal, comprise, the pair of seal rings body (1) of lower symmetrical configuration, described seal ring body (1) working surface is provided with a circle for laying the groove (3) of seal ring (2), it is characterized in that: the working surface (4) of described seal ring body (1) offers a circle wear-resistant strip fitting recess (5), described seal ring body (1) is formed by metal stamping, described wear-resistant strip fitting recess (5) internal fixtion is equipped with a circle wear-resistant strip (6), described wear-resistant strip (6) adopts and is added with ceramic powder, and ceramic powder is made with the metallic material of the fractions distribution of dispersed network phase, the adding quantity of described ceramic powder is no more than 5% of metallic material gross mass, the rubbing surface (7) of described wear-resistant strip (6) and the working surface (4) of seal ring body (1) are in same plane or comparatively working surface (4) evagination.
2. ceramic dispersoid reinforced metal wear-resistant strip according to claim 1, metal stamping ring body float grease seal, is characterized in that: the adding quantity of described ceramic powder is 0.05% ~ 1.2% of metallic material gross mass.
3. ceramic dispersoid reinforced metal wear-resistant strip according to claim 2, metal stamping ring body float grease seal, is characterized in that: the adding quantity of described stupalith is 0.6% ~ 0.8% of metallic material gross mass.
4. ceramic dispersoid reinforced metal wear-resistant strip according to claim 1, metal stamping ring body float grease seal, is characterized in that: the grain graininess of described stupalith is no more than 60nm.
5. ceramic dispersoid reinforced metal wear-resistant strip according to claim 4, metal stamping ring body float grease seal, is characterized in that: the grain graininess of described stupalith is 10 ~ 30nm.
6. ceramic dispersoid reinforced metal wear-resistant strip according to claim 1, metal stamping ring body float grease seal, is characterized in that: described stupalith is A1
2o
3, ThO
2, Y
2o
3ceramic powder.
7. ceramic dispersoid reinforced metal wear-resistant strip according to claim 6, metal stamping ring body float grease seal, is characterized in that: described stupalith is A1
2o
3ceramic powder.
8. ceramic dispersoid reinforced metal wear-resistant strip according to claim 7, metal stamping ring body float grease seal, is characterized in that: described stupalith is the nanometer A1 of purity more than 99%
2o
3ceramic powder.
9. according to the ceramic dispersoid reinforced metal wear-resistant strip described in claim 1 ~ 8, metal stamping ring body float grease seal, it is characterized in that: working surface (4) evagination of the rubbing surface (7) of described wear-resistant strip (6) comparatively seal ring body (1).
10. the ceramic dispersoid reinforced metal wear-resistant strip according to claim 1 ~ 8 any one, metal stamping ring body float grease seal, is characterized in that: described seal ring body (1) is by sheetmetal impact briquetting.
11. ceramic dispersoid reinforced metal wear-resistant strips according to claim 10, metal stamping ring body float grease seal, is characterized in that: described seal ring body (1) is at least stamped to form through more than twice by sheetmetal.
12. ceramic dispersoid reinforced metal wear-resistant strips according to claim 11, metal stamping ring body float grease seal, is characterized in that: described seal ring body (1) is by after sheetmetal impact briquetting, and surface is also through transpassivation, antirust treatment.
13., according to the ceramic dispersoid reinforced metal wear-resistant strip described in claim 1 ~ 8, metal stamping ring body float grease seal, is characterized in that: described wear-resistant strip (6) adopt bonding or as mold insert, with riveted joint means of fixation be assemblied in wear-resistant strip fitting recess (5).
14. Ceramic Composite wear-resistant surface, metal stamping ring body float grease seals according to claim 1 ~ 8 any one, it is characterized in that: described wear-resistant strip (6) adopts the means of fixation of riveted joint to be assemblied in grinding belt fitting recess (5), described wear-resistant strip (6) periphery is provided with draw-in groove (8), on seal ring body (1), punching has riveted joint groove correspondingly, and the two riveted joint is fixing.
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| CN201510758985.9A CN105387211A (en) | 2015-11-10 | 2015-11-10 | Floating oil seal with ceramic dispersion strengthening metal wear-resisting belt and metal stamping ring bodies |
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Cited By (1)
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| CN106041046A (en) * | 2016-05-31 | 2016-10-26 | 合肥正浩机械科技有限公司 | High-temperature-resistance metal ceramic seal ring and preparation method thereof |
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| CN104728444A (en) * | 2014-11-21 | 2015-06-24 | 武汉盛普林斯陶瓷有限公司 | Floating seal ring with composite working face |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041046A (en) * | 2016-05-31 | 2016-10-26 | 合肥正浩机械科技有限公司 | High-temperature-resistance metal ceramic seal ring and preparation method thereof |
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