CN106337891A - Rubber joint for rail vehicle oil pressure damper and rubber formula thereof - Google Patents

Rubber joint for rail vehicle oil pressure damper and rubber formula thereof Download PDF

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Publication number
CN106337891A
CN106337891A CN201610770209.5A CN201610770209A CN106337891A CN 106337891 A CN106337891 A CN 106337891A CN 201610770209 A CN201610770209 A CN 201610770209A CN 106337891 A CN106337891 A CN 106337891A
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China
Prior art keywords
rubber
rubber layer
parts
layer
mill
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Granted
Application number
CN201610770209.5A
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Chinese (zh)
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CN106337891B (en
Inventor
孙波
黄华
孙乐
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Nantong Hongda rail transit Parts Co.,Ltd.
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Haimen Hongda Railway Rolling Stock Fittings Co Ltd
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Priority to CN201610770209.5A priority Critical patent/CN106337891B/en
Publication of CN106337891A publication Critical patent/CN106337891A/en
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    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7461—Combinations of dissimilar mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L7/00—Compositions of natural rubber
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/3605—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by their material
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
    • F16F1/3863—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type characterised by the rigid sleeves or pin, e.g. of non-circular cross-section
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2224/00—Materials; Material properties
    • F16F2224/02—Materials; Material properties solids
    • F16F2224/025—Elastomers
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2230/00—Purpose; Design features
    • F16F2230/14—Ball joints; Spherical support elements

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a rubber joint for a rail vehicle oil pressure damper. The rubber joint comprises a coat layer, a rubber layer and a central spindle. The middle portion of the central spindle is sleeved with the rubber layer, the rubber layer is closely bonded with the central spindle, the rubber layer is sleeved with the coat layer, the section of the contact surface of the coat layer and the rubber layer is rectangular, and the side face of the rubber layer is in a concave arc shape. A rubber formula of the rubber layer comprises, by mass, 80-90 parts of natural rubber, 10-20 parts of synthetic rubber, 0.6-1 part of sulfur, 0.8-1.2 parts of benzothiazole-2-thiol, 2.2 parts of 2,2'-dithio-dibenzo thiazole, 0.8-1.2 parts of diphenyl guanidine, 0.4-0.8 part of hexamethylene tetramine, 4-8 parts of hardening resin, 3 parts of zinc oxide, 1 part of stearic acid, 1 part of N-phenyl-N'-cyclohexyl-P-phenylenediamine, 1 part of 2-benzothiazolethiol, 1 part of poly(1,2-dihydro-2,2,4-trimethylquinoline), 1 part of paraffin and 30-50 parts of carbon black. The rubber joint with the rubber layer produced through the formula has strong torsion, radial rigidity, axial rigidity, deflection rigidity and torsion rigidity, and is high in product performance and long in service life.

Description

Locomotive vehicle oil hydraulic amortisseur rubber arthrosis and its rubber compounding
Technical field
The present invention relates to locomotive fittingses technical field, specifically locomotive vehicle oil hydraulic amortisseur rubber arthrosis and its rubber Formula.
Background technology
With the fast development of high-speed railway, being greatly improved of train speed, the present bullet train speed of service from 200km/h brings up to 350km/h, is up to more than 400km/h in the near future.High speed due to train runs, Operating vibration and noise is just continuous to be increased, and increases the structural fatigue of vehicle, and reduces stability and the peace of vehicle Full reliability.Locomotive vehicle oil hydraulic amortisseur rubber arthrosis are a kind of products of function admirable together with metal composite for the rubber Product, can bear the working environment of complexity, but existing rubber arthrosis, and rubber is low with the degree of adhesion of metal, and service life is short, right Limited in the holding capacity of foregoing various fatigue effect and mechanical shock, the physical property of rubber components is not good.
Content of the invention
The present invention provides a kind of locomotive vehicle oil hydraulic amortisseur rubber arthrosis, also provides the rubber compounding of its rubber layer.
The technical solution used in the present invention is: locomotive vehicle oil hydraulic amortisseur rubber arthrosis, including jacket layer, rubber layer And mandrel, described mandrel include middle part, be located at middle part both sides cylindrical transition portion and be located at transition part outside end, institute Stating middle part is part-elliptical, and described end is provided with arc groove with the upside junction of transition part, described end has logical Hole, described rubber layer be enclosed within mandrel middle part and with mandrel tight bond, described jacket layer is enclosed within rubber layer and bondd with it, Described jacket layer is rectangle with the section of the contact surface of rubber layer, and the side of described rubber layer is concave circular arcs shape.
The rubber compounding of above-mentioned locomotive vehicle oil hydraulic amortisseur rubber arthrosis, including the raw material of following mass parts: 80-90 Part natural rubber, 10-20 part synthetic rubber, 0.6-1 part sulfur, 0.8-1.2 part MBT, 2.2 part 2,2'- bis- Thio bisbenzothiazole, 0.8-1.2 part diphenylguanidine, 0.4-0.8 part hexamethylenetetramine, 4-8 part Hardening resin, 3 parts of zinc oxide, 1 part of stearic acid, 1 part of n- cyclohexyl-n'- diphenyl-para-phenylene diamine, 1 part of 2-mercaptobenzimidazole, 1 part 2,2,4- trimethyl -1,2- Dihyaroquinoline polymer, 1 part of paraffin, 30-50 part white carbon black.
The manufacture method of above-mentioned locomotive vehicle oil hydraulic amortisseur rubber arthrosis is it is characterised in that comprise the following steps:
(1) plasticate: natural rubber is cut into small pieces on bale splitter, is plasticated with mill, fritter rubber is put on a mill Thin logical 6 times, break into triangle bag and park 8 hours, when plasticating, the temperature of roller is no more than 50 DEG C；
(2) close refining: must carry out closing refining on a mill with synthetic rubber by parking the natural rubber after 8h in step (1), thin logical 3 Time, beat triangle bag park standby, close refining when roller temperature no more than 50 DEG C；
(3) knead: the rubber that refine will be closed in banbury according to formula ratio addition MBT, 2,2'- bis- sulfur For bisbenzothiazole, diphenylguanidine, hexamethylenetetramine, Hardening resin, zinc oxide, stearic acid, n- cyclohexyl-n'- phenyl is to benzene Diamidogen, 2-mercaptobenzimidazole, 2,2,4- trimethyl -1,2- dihyaroquinoline polymer, paraffin and white carbon black are kneaded, and mix At 70-80 DEG C, mixing time controls in 5min temperature during refining, kneads uniform sizing material and adds sulfur on a mill, and thin logical 5 Secondary, bottom sheet cooling after 3 bags volume 2, after mixing, sizing material will be parked more than 8h and enter next process use；
(4) ironware is processed: the ironware processing is carried out blasting treatment, is uniformly applied to the ironware after blasting treatment with glue Surface, is positioned over ventilation and is dried；
(5) heat refining: the sizing material heat refining on a mill after mixing in step (3), together with the ironware after process, uses flat board sulfur Change machine vulcanizes, and curing temperature is 150 DEG C -170 DEG C, and cure time is 20min；
(6) finished product: the product after sulfuration carries out deflashing of polishing, and product external diameter extruding tube reducing is processed, and is reprocessed into the chi of needs Rubber arthrosis are obtained in product surface zinc electroplating with iridescent yellow chromate conversion coating after very little.
The invention has the beneficial effects as follows: this rubber arthrosis has stronger torsion, radially, axially, deflects and torsional rigidity, Properties of product are high, long service life, and under inventive formulation, the tensile strength of rubber layer producing, elongation at break already exceed rule Fixed requirement；The adhesion strength of ageing properties, rubber and ironware, Static stiffness, deflection stiffness, torsional rigidity, fatigue behaviour are also all Conformance with standard requires, and the rubber arthrosis service life made using this rubber layer was up to more than 24 months.
Brief description
Fig. 1 is the structural representation of the present invention.
Wherein: 1, jacket layer, 2, rubber layer, 21, concave circular arcs, 3, mandrel, 31, middle part, 32, transition part, 33, end, 34th, arc groove, 35, through hole.
Specific embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, should Embodiment is only used for explaining the present invention, does not constitute limiting the scope of the present invention.
As shown in figure 1, locomotive vehicle oil hydraulic amortisseur rubber arthrosis, including jacket layer 1, rubber layer 2 and mandrel 3, core The end 33 that axle 3 includes middle part 31, the cylindrical transition portion 32 being located at middle part 31 both sides and is located at transition part 32 outside, middle part 31 is part-elliptical, and end 33 is provided with arc groove 34 with the upside junction of transition part 32, described end has through hole. Wherein, it is changed to ellipse from rounded portion in the middle part of mandrel, the torsion of rubber arthrosis can be increased, improve radial direction, the axle of rubber layer To, deflection and torsional rigidity.Rubber layer be enclosed within mandrel middle part and with mandrel tight bond, jacket layer 1 is enclosed within rubber layer 2 simultaneously Bond with it, jacket layer 1 is rectangle with the section of the contact surface of rubber layer 2, and that is, the internal diameter of jacket layer is changed by traditional arc For straight, be conducive to increasing the torsion of rubber arthrosis, enhance product performance, increase the bonding strength of metal and rubber layer；Rubber The side of layer 2 is concave circular arcs 21, can increase the damped coefficient of rubber, improves the service life of rubber.
The formula of rubber layer in above-mentioned locomotive vehicle oil hydraulic amortisseur rubber arthrosis, including the raw material of following mass parts: 80-90 part natural rubber, 10-20 part synthetic rubber, 0.6-1 part sulfur, 0.8-1.2 part MBT, 2.2 part 2, 2'- dithio-bis-benzothiazole, 0.8-1.2 part diphenylguanidine, 0.4-0.8 part hexamethylenetetramine, 4-8 part Hardening resin, 3 parts of oxygen Change zinc, 1 part of stearic acid, 1 part of n- cyclohexyl-n'- diphenyl-para-phenylene diamine, 1 part of 2-mercaptobenzimidazole, 1 part 2,2,4- trimethyls- 1,2- dihyaroquinoline polymer, 1 part of paraffin, 30-50 part white carbon black.
Above-mentioned formula is suitable for way-train, harmonious locomotive, subway, motor-car, high ferro oleo-gear rubber arthrosis rubber Layer, this formula can reach more than 24 months in actual use, and rubber layer still can normally use, and closes considerably beyond country The use inspection standard of 18 months in locomotive vehicle oil hydraulic amortisseur rubber arthrosis.
In the formula of rubber layer, natural rubber uses import 1# smoke sheet rubber, and natural rubber macromole intermolecular forces are less Changeableness and flowing, in stress, regular molecular arrangement leads to crystallographic orientation effect, has high tensile strength.It is not filled by mending Strong filled vulcanizate intensity also can reach 17mpa 25mpa, through black-reinforced up to 27mpa-35mpa, percentage elongation up to 700%-1000%.Rebound degree under shock loading reaches more than 60%, so natural rubber is a kind of high intensity and elastomeric rubber Material.
Contain on natural rubber strand and in a large number there is chemically active double bond, the double bond on strand is vulcanization reaction again Active site, can carry out intermolecular cross-linking under uniform temperature and pressure with vulcanizing agents such as sulfur and form network structure.This double bond Structure can carry out self-catalysis chain reaction with the air oxygen at a certain temperature, leads to macromolecular chain fracture or further Crosslinking, rubber arises that glutinousization and cracking, here it is the not ageing-resistant main cause of natural rubber.Generally natural rubber products Arise that crackle in sunlight exposure 30h, if a few minutes will be cracked during contact ozone.Natural rubber life-time service is High-temperature is 80 DEG C, can use tens hours, add a certain proportion of synthetic rubber can substantially change in formula at 100 DEG C The thermostability of kind natural rubber, resistance to daylight, ozone resistance.The endurance longevity under harsh use environment for the product can be increased Life.
This formula use import Hardening reinforced resin it is however generally that, tackifying resin has a linear structure and reinforced resin For branched structure, this resin plays plasticization before sulfuration, can be effectively increased after sulfuration the tensile strength of rubber, hardness, modulus, Improve ageing-resistant, resistance to chemical attack, the ability of solvent resistant, and the bonding strength between rubber layer and metal level can be increased.
The consumption of white carbon black is of crucial importance in formula, and the hardness of the big sizing material of carbon black loading, intensity increase, but the insulation of sizing material Value does not reach standard；The insulation values of the low sizing material of carbon black loading are up to standard, but the hardness of sizing material, intensity decreases.By test of many times Afterwards, by white carbon black through certain technical finesse, after the insulation values of sizing material are up to standard, increase the physical and mechanical propertiess of rubber simultaneously.
The manufacture method of above-mentioned locomotive vehicle oil hydraulic amortisseur rubber arthrosis, comprises the following steps:
(1) plasticate: natural rubber is cut into small pieces on bale splitter, is plasticated with mill, " 0 " scale is transferred in roll spacing, will be little Block rubber is put thin logical 6 times on a mill, breaks into triangle bag and parks 8 hours, when plasticating, the temperature of roller is no more than 50 DEG C；My god So rubber will the purpose through over-mastication be to reduce the viscosity of natural rubber, improves the plasticity of rubber so that filler is joined with other Mixture can preferably be uniformly dispersed in natural gum, thus ensureing that product has physically better mechanical performance；
(2) close refining: must carry out with synthetic rubber on a mill closing refining by parking the natural rubber after 8h in step (1), by roller Away from being transferred to " 0 " scale, thin logical 3 times, beat triangle bag and park standby, close when refining roller temperature no more than 50 DEG C；Close the purpose of refining It is can uniformly to disperse between natural rubber and synthetic rubber to improve white carbon black and other compounding ingredients；
(3) knead: the rubber that refine will be closed in banbury according to formula ratio addition MBT, 2,2'- bis- sulfur For bisbenzothiazole, diphenylguanidine, hexamethylenetetramine, Hardening resin, zinc oxide, stearic acid, n- cyclohexyl-n'- phenyl is to benzene Diamidogen, 2-mercaptobenzimidazole, 2,2,4- trimethyl -1,2- dihyaroquinoline polymer, paraffin and white carbon black are kneaded, and prevent Only in mixing process, sizing material produces incipient scorch, and at 70-80 DEG C, mixing time controls in 5min temperature during mixing, and mixing is uniformly Sizing material add sulfur on a mill, thin logical 5 times, bottom sheet cooling after 3 bags volume 2, after mixing, sizing material will be parked more than 8h and enter Next process uses；
(4) ironware is processed: the ironware processing is carried out blasting treatment, is uniformly smeared with glue (must be the glue specified) Ironware surface after blasting treatment, is positioned over ventilation and is dried；
(5) heat refining: the sizing material heat refining on a mill after mixing in step (3), together with the ironware after process, uses flat board sulfur Change machine vulcanizes, and curing temperature is 150 DEG C -170 DEG C, and cure time is 20min；
(6) finished product: the product after sulfuration carries out deflashing of polishing, and product external diameter extruding tube reducing is processed, and is reprocessed into the chi of needs Rubber arthrosis are obtained in product surface zinc electroplating with iridescent yellow chromate conversion coating after very little.
According to rubber compounding and the technological requirement of the present invention, the tensile strength of rubber, elongation at break already exceed China People's republic's railroad industry standard tb/t 2,843 2007 " rubber elastic element general technical specifications used for rolling stock " specifies Requirement；The adhesion strength of ageing properties, rubber and ironware, Static stiffness, deflection stiffness, torsional rigidity, fatigue behaviour also all accord with Standardization requires.

Claims (3)

1. locomotive vehicle oil hydraulic amortisseur rubber arthrosis are it is characterised in that include jacket layer, rubber layer and mandrel, described core Axle includes middle part, the cylindrical transition portion being located at middle part both sides and the end outside transition part, and described middle part is part Ellipse, described end is provided with arc groove with the upside junction of transition part, described end has through hole, described rubber layer Be enclosed within mandrel middle part and with mandrel tight bond, described jacket layer is enclosed within rubber layer and bondd with it, described jacket layer with The section of the contact surface of rubber layer is rectangle, and the side of described rubber layer is concave circular arcs shape.
2. a kind of rubber compounding of locomotive vehicle oil hydraulic amortisseur rubber arthrosis as claimed in claim 1 it is characterised in that Raw material including following mass parts: 80-90 part natural rubber, 10-20 part synthetic rubber, 0.6-1 part sulfur, 0.8-1.2 part 2- Mercapto alcohol radical benzothiazole, 2.2 part 2,2'- dithio-bis-benzothiazole, 0.8-1.2 part diphenylguanidine, 0.4-0.8 part six methine four Amine, 4-8 part Hardening resin, 3 parts of zinc oxide, 1 part of stearic acid, 1 part of n- cyclohexyl-n'- diphenyl-para-phenylene diamine, 1 part of 2- sulfydryl benzene And imidazoles, 1 part 2,2,4- trimethyl -1,2- dihyaroquinoline polymer, 1 part of paraffin, 30-50 part white carbon black.
3. a kind of manufacture method of locomotive vehicle oil hydraulic amortisseur rubber arthrosis as claimed in claim 1 it is characterised in that Comprise the following steps:
(1) plasticate: natural rubber is cut into small pieces on bale splitter, is plasticated with mill, fritter rubber is put on a mill Thin logical 6 times, break into triangle bag and park 8 hours, when plasticating, the temperature of roller is no more than 50 DEG C；
(2) close refining: must carry out closing refining on a mill with synthetic rubber by parking the natural rubber after 8h in step (1), thin logical 3 Time, beat triangle bag park standby, close refining when roller temperature no more than 50 DEG C；
(3) knead: the rubber that refine will be closed in banbury according to formula ratio addition MBT, 2,2'- bis- sulfur For bisbenzothiazole, diphenylguanidine, hexamethylenetetramine, Hardening resin, zinc oxide, stearic acid, n- cyclohexyl-n'- phenyl is to benzene Diamidogen, 2-mercaptobenzimidazole, 2,2,4- trimethyl -1,2- dihyaroquinoline polymer, paraffin and white carbon black are kneaded, and mix At 70-80 DEG C, mixing time controls in 5min temperature during refining, kneads uniform sizing material and adds sulfur on a mill, and thin logical 5 Secondary, bottom sheet cooling after 3 bags volume 2, after mixing, sizing material will be parked more than 8h and enter next process use；
(4) ironware is processed: the ironware processing is carried out blasting treatment, is uniformly applied to the ironware after blasting treatment with glue Surface, is positioned over ventilation and is dried；
(5) heat refining: the sizing material heat refining on a mill after mixing in step (3), together with the ironware after process, uses flat board sulfur Change machine vulcanizes, and curing temperature is 150 DEG C -170 DEG C, and cure time is 20min；
(6) finished product: the product after sulfuration carries out deflashing of polishing, and product external diameter extruding tube reducing is processed, and is reprocessed into the chi of needs Finished product is obtained in product surface zinc electroplating with iridescent yellow chromate conversion coating after very little.
CN201610770209.5A 2016-08-31 2016-08-31 High-speed rail or motor-car oleo-gear rubber arthrosis and its rubber compounding Active CN106337891B (en)

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Cited By (4)

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CN107987331A (en) * 2017-12-30 2018-05-04 海门市宏达铁路机车车辆配件有限公司 A kind of rubber arthrosis arctic rubber
CN108084513A (en) * 2017-12-30 2018-05-29 海门市宏达铁路机车车辆配件有限公司 A kind of flexural pivot rubber production technology
CN109538625A (en) * 2018-12-13 2019-03-29 株洲飞马橡胶实业有限公司 A kind of thrust rod ball hinge and its assemble method
CN110513414A (en) * 2019-09-04 2019-11-29 浙江三力汽车零部件有限公司 A kind of rubber composite bush and preparation method thereof

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CN206145038U (en) * 2016-08-31 2017-05-03 海门市宏达铁路机车车辆配件有限公司 High -speed railway or motor car be rubber joint for oil pressure shock absorber

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CN107987331A (en) * 2017-12-30 2018-05-04 海门市宏达铁路机车车辆配件有限公司 A kind of rubber arthrosis arctic rubber
CN108084513A (en) * 2017-12-30 2018-05-29 海门市宏达铁路机车车辆配件有限公司 A kind of flexural pivot rubber production technology
CN109538625A (en) * 2018-12-13 2019-03-29 株洲飞马橡胶实业有限公司 A kind of thrust rod ball hinge and its assemble method
CN110513414A (en) * 2019-09-04 2019-11-29 浙江三力汽车零部件有限公司 A kind of rubber composite bush and preparation method thereof

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