CN109294696B - 自润滑材料、汽车座椅调角器自润滑轴承及其制造方法 - Google Patents
自润滑材料、汽车座椅调角器自润滑轴承及其制造方法 Download PDFInfo
- Publication number
- CN109294696B CN109294696B CN201811079244.8A CN201811079244A CN109294696B CN 109294696 B CN109294696 B CN 109294696B CN 201811079244 A CN201811079244 A CN 201811079244A CN 109294696 B CN109294696 B CN 109294696B
- Authority
- CN
- China
- Prior art keywords
- self
- lubricating
- wear
- polytetrafluoroethylene
- lubricating material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000463 material Substances 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title description 16
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 72
- 239000010410 layer Substances 0.000 claims abstract description 48
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 45
- 239000004917 carbon fiber Substances 0.000 claims abstract description 45
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 44
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 44
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 44
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 37
- 239000002033 PVDF binder Substances 0.000 claims abstract description 35
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 35
- 229920000642 polymer Polymers 0.000 claims abstract description 24
- 239000012791 sliding layer Substances 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 15
- 239000002245 particle Substances 0.000 claims description 27
- 238000005096 rolling process Methods 0.000 claims description 17
- 239000013078 crystal Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 2
- 239000010949 copper Substances 0.000 claims 2
- 229910052802 copper Inorganic materials 0.000 claims 2
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000005245 sintering Methods 0.000 abstract description 9
- 229920002313 fluoropolymer Polymers 0.000 abstract description 2
- 239000004811 fluoropolymer Substances 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910016347 CuSn Inorganic materials 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003831 antifriction material Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical group [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/003—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/201—Composition of the plastic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/208—Methods of manufacture, e.g. shaping, applying coatings
-
- 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
- F16N—LUBRICATING
- F16N15/00—Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/08—Inorganic acids or salts thereof
- C10M2201/084—Inorganic acids or salts thereof containing sulfur, selenium or tellurium
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/02—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen and halogen only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/06—Perfluoro polymers
- C10M2213/062—Polytetrafluoroethylene [PTFE]
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/02—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2202/00—Solid materials defined by their properties
- F16C2202/50—Lubricating properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2204/00—Metallic materials; Alloys
- F16C2204/10—Alloys based on copper
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/02—Plastics; Synthetic resins, e.g. rubbers comprising fillers, fibres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/30—Fluoropolymers
- F16C2208/32—Polytetrafluorethylene [PTFE]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/30—Fluoropolymers
- F16C2208/34—Polyvinylidenefluoride [PVDF]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/08—Vehicle seats, e.g. in linear movable seats
Abstract
自润滑材料、汽车座椅调角器自润滑轴承及其制造方法,所述耐磨自润滑材料由硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯组成。所述聚四氟乙烯的质量百分比含量为5~15%,所述硫酸钡的质量百分比含量为15~25%,所述碳纤维的质量百分比含量为1~5%,所述聚偏氟乙烯的质量百分比含量为55~75%。所述硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯为相互分散的粉末以形成含氟聚合物。所述汽车座椅调角器自润滑轴承包括金属衬底层,铜合金层,以及聚合物滑动层。所述铜合金层由铜合金粉末烧结而成,且该铜合金层的孔隙率为36%~51%。所述聚合物滑动层的摩擦系数为0.03~0.06。本调角器自润滑轴承可以避免该汽车座椅调角器自润滑轴承“打滑”也可以防止该汽车座椅调角器因摩擦系数太大而磨损。
Description
技术领域
本发明属于轴承制造技术领域,特别是自润滑材料、汽车座椅调角器自润滑轴承及其制造方法。
背景技术
汽车座椅连续调角器是一种安装在汽车座椅上以实现汽车座椅靠背角度连接无间断调节的部件。该调角器通常采用一齿差行星齿轮传动,以实现调节器角度的无级调节,并且传动平稳、强度高、通用性强、座椅靠背间隙小,操作平顺性好,调节精度高,可以任意角度平衡并可靠自锁。该齿差行星齿轮主要由固定外齿轮、外齿轮衬套、活动内齿轮、内齿轮衬套、偏心滑块、以及涨紧弹簧组成。而为了减小内、外齿轮之间的磨损和摩擦力,以提高这两个零件的使用寿命,因此使用自润滑轴承减摩材料制成的衬套,压装到该内、外齿轮的中心孔中。
但是内齿轮衬套,除具有较好的耐磨损性能外,摩擦系数不能太低,否则会引起“打滑”失效。“打滑”失效是调角器里的一种摩擦功能失效,是指座椅靠背长时间静止后突然启动,因摩擦系数过小而引起调角器打滑,表现形式为座椅调节不顺畅,影响用户体验。因此,现有的调角器衬套都设计的摩擦系数比较大。而当摩擦系数增大后,就会使得该衬套易磨损,有噪音,从而使得该衬套使用寿命短,用户体验差的缺点。
发明内容
有鉴于此,本发明提供了一种具有润滑功能的自润滑材料、汽车座椅调角器自润滑轴承及其制造方法,以解决上述问题。
耐磨自润滑材料,其由硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯组成。所述聚四氟乙烯的质量百分比含量为5~15%,所述硫酸钡的质量百分比含量为15~25%,所述碳纤维的质量百分比含量为1~5%,所述聚偏氟乙烯的质量百分比含量为55~75%。所述硫酸钡的粒径为5~10um,所述聚四氟乙烯的粒径为10um,所述碳纤维的长度为100~150um且宽度为10um,所述聚偏氟乙烯的粒径为100um~150um并相互分散的粉末。
进一步地,所述硫酸钡,聚四氟乙烯,碳纤维,聚偏氟乙烯的重量百分比含量分别为8%,19%,4%,69%。
进一步地,所述硫酸钡的粒径为7um,所述聚四氟乙烯的粒径为10um,所述碳纤维的长度为120um且宽度为10um,聚偏氟乙烯的135um。
一种耐磨自润滑材料的制造方法,其特征在于:
提供硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯,且所述聚四氟乙烯的质量百分比含量为5~15%,所述硫酸钡的质量百分比含量为15~25%,所述碳纤维的质量百分比含量为1~5%,所述聚偏氟乙烯的质量百分比含量为55~75%;
研磨所述硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯以使该硫酸钡的粒径为5~10um,所述聚四氟乙烯的粒径为10um,所述碳纤维的长度为100~150um且宽度为10um,所述聚偏氟乙烯的粒径为100um~150um;
混合所述硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯以使其相互分散并生成含氟聚合物;
将混合均匀的粉料在双螺杆挤出机内进行挤出造粒,挤出温度200~240℃,螺杆转速200rpm以制备所述耐磨自润滑材料。
汽车座椅调角器自润滑轴承,其包括一个金属衬底层,设置在该金属衬底层上的铜合金层,以及设置在所述铜合金层上的聚合物滑动层。所述铜合金层由铜合金粉末烧结而成,且该铜合金层的孔隙率为36%~51%。所述聚合物滑动层由上述的耐磨自润滑材料制成。所述聚合物滑动层的摩擦系数为0.03~0.06。
进一步地,所述铜合金层的孔隙率为46%。
进一步地,所述聚合物滑动层的厚度为0.01mm~0.02mm。
汽车座椅调角器自润滑轴承的制造方法,其包括如下步骤:
提供一个平板型金属衬底层;
提供铜合金粉末,并将该铜合金粉末烧结并辊压在所述平板型金属衬底层上形成一层设置在所述金属衬底层上的铜合金层,控制烧结温度与辊压的压力,使得所述铜合金层的孔隙率为36%~51%;
提拱上述的耐磨自润滑材料,并将该耐磨自润滑材料铺于铜合金层上;
对所述耐磨自润滑材料进行预压制,预压温度为250~270℃,预热10min~15min,压制时间35s~45s;
将预压后的耐磨自润滑材料在高温轧机上进行高温轧制,轧制温度为℃180~200℃才控制聚四氟乙烯的晶型转变,使其转为单斜晶型;
将轧制后耐磨自润滑材料、铜合金层、以及金属衬底层卷制成汽车座椅调角器自润滑轴承,该自润滑轴承的摩擦系数为0.03~0.06。
进一步地,对所述耐磨自润滑材料进行预压制,压制时间为40s。
进一步地,所述高温轧制的温度为192度。
与现有技术相比,本发明提供的汽车座椅调角器自润滑轴承通过调配所述耐磨自润滑材料的配方,即该耐磨自润滑材料由硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯组成,且该聚四氟乙烯的质量百分比含量为5~15%,所述硫酸钡的质量百分比含量为15~25%,所述碳纤维的质量百分比含量为1~5%,所述聚偏氟乙烯的质量百分比含量为55~75%,再通过控制该硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯的料径,再在本发明所提供的制造工艺的控制下,使得聚四氟乙烯的晶型转变,即使其转为单斜晶型,从而使得该耐磨自润滑材料制成的聚合物滑动层的摩擦系数控制在0.03~0.06之间,既可以避免该汽车座椅调角器自润滑轴承“打滑”也可以防止该汽车座椅调角器因摩擦系数太大而磨损,进而使得该汽车座椅调角器自润滑轴承成为一种耐磨损的轴承。
附图说明
图1为本发明提供的汽车座椅调角器自润滑轴承的结构示意图。
图2为本发明提供的耐磨自润滑材料的制造方法的流程图。
图3为本发明提供的汽车座椅调角器自润滑轴承的制造方法的流程图。
具体实施方式
以下对本发明的具体实施例进行进一步详细说明。应当理解的是,此处对本发明实施例的说明并不用于限定本发明的保护范围。
如图1所示,其为本发明提供的汽车座椅调角器自润滑轴承的结构示意图。所述汽车座椅调角器自润滑轴承包括一个金属衬底层10,设置在该金属衬底层10上的铜合金层11,以及设置在所述铜合金层11上的聚合物滑动层12。可以想到的是,所述汽车座椅调角器自润滑轴承还包括其他的功能结构,如接缝,两端面的倒角,以及该自润滑轴承的尺寸等等,其应当为本领域技术人员所习知的技术,在此不再一一详细说明。
所述金属衬底层10可以由钢材制成,其一般位于轴承的最外圈,当然,可以想到的是,在一些特殊场合,所述金属衬底层10可以位于轴承的最内圈。所述金属衬底层10的厚度及宽度可以根据实际的需要而设定,如汽车座椅的大小,型号,以及汽车的类别等等,在此不再一一说明。在本实施例中,所述金属衬低层10由低碳钢制成,硬度为100HB~180HB,厚度为1.2mm。
所述铜合金层11由铜合金粉末烧结而成,在烧结的过程中,应当控制烧结的温度与时间,以及辊压的压力,以使该铜合金层11的孔隙率为36%~51%。在本实施例中,所述钢合金层11的孔隙率为40%。在本实施例中,所述铜合金粉的原料为铜锡合金,具体为CuSn10,且该铜合金粉末为不规则粉,粒径为30μm~60μm。所述铜合金层11的厚度可以根据实际需要而设定,如使用场合,在本实施例中,所述铜合金层11的厚度为0.3mm。
所述聚合物滑动层12由耐磨自润滑材料制成,其厚度为0.01mm~0.02mm。该聚合物滑动层12直接与轴相接触,因此该聚合物滑动层12应当为功能层,即该聚合物滑动层12既不应当因为摩擦系数太小而相对于轴“打滑”也不能因为摩擦系数太大而在短时间内造成太大的磨损,影响其寿命。为了达到该目的,经过大量的实验验证,本发明提供的自润滑轴承的聚合物滑动层12的摩擦系数应当控制在0.03~0.06之间才可以达到上述的要求,即既不打滑磨损也最小。因此本发明提供的所述耐磨自润滑材料由硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯组成。所述硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯本身的化学性能、物理性能以及制造方法应当为本领域技术人员所习知的技术,在此不再赘述。为了控制所述自润滑轴承的摩擦系数范围,需要配比所述硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯各自的含量,以及控制各组份的粒径。在本实施例中,所述聚四氟乙烯的质量百分比含量为5~15%,所述硫酸钡的质量百分比含量为15~25%,所述碳纤维的质量百分比含量为1~5%,所述聚偏氟乙烯的质量百分比含量为55~75%。所述硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯为粒径小于或等于40um的相互分散的粉末。优选地,所述硫酸钡,聚四氟乙烯,碳纤维,聚偏氟乙烯的重量百分比含量分别为8%,19%,4%,69%。所述硫酸钡的粒径为5~10um,所述聚四氟乙烯的粒径为10um,所述碳纤维的长度为100um~150um且宽度为10um,聚偏氟乙烯的100~150um。在本实施例中,所述硫酸钡的粒径为7um,所述聚四氟乙烯的粒径为10um,所述碳纤维的长度为120um且宽度为10um,聚偏氟乙烯的135um。
通过上述的配方以及粒径大小的控制,还需要在制程上对其进行改进,才能达到将摩擦系数控制在0.03~0.06之间之间。如图2所示,其为所述自润滑材料的制造方法的流程图。所述自润滑材料的制造方法包括如下步骤:
S1:提供硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯,且所述聚四氟乙烯的质量百分比含量为5~15%,所述硫酸钡的质量百分比含量为15~25%,所述碳纤维的质量百分比含量为1~5%,所述聚偏氟乙烯的质量百分比含量为55~75%;
S2:研磨所述硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯以使该硫酸钡的粒径为5~10um,所述聚四氟乙烯的粒径为10um,所述碳纤维的长度为100um~150um且宽度为10um,聚偏氟乙烯的100um~150um;
S3:混合所述粒径小于或等于40um的硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯以使其相互分散并生成含氟聚合物;
S4:将混合均匀的粉料在双螺杆挤出机内进行挤出造粒,挤出温度200~240℃,螺杆转速200rpm以制备所述耐磨自润滑材料
通过所述步骤S4制得所述自润滑材料,该自润滑材料即成为一种用于制备所述聚合物滑动层12的原料。
如图3所示,其为所述汽车座椅调角器自润滑轴承的制造方法的流程图。所述汽车座椅调角器自润滑轴承的制造方法包括如下步骤:
S11:提供一个平板型金属衬底层10;
S12:提供铜合金粉末,并将该铜合金粉末烧结并辊压在所述平板型金属衬底层10上形成一层设置在所述金属衬底层10上的铜合金层11,控制烧结温度与辊压的压力,使得所述铜合金层11的孔隙率为36%~51%;
S13:提拱上述的耐磨自润滑材料,并将该耐磨自润滑材料铺于铜合金层11上;
S14:对所述耐磨自润滑材料进行预压制,预压温度为250~270℃,预热10min~15min,压制时间35s~45s;
S15:将预压后的耐磨自润滑材料在高温轧机上进行高温轧制,轧制温度为180℃~200℃以控制聚四氟乙烯的晶型转变,使其转为单斜晶型以形成所述聚合物滑动层12;
S16:将轧制后所形成的聚合物滑动层12、铜合金层11、以及金属衬底层10卷制成汽车座椅调角器自润滑轴承,该自润滑轴承的摩擦系数为0.03~0.06。
在步骤S14中,对所述耐磨自润滑材料进行预压制,压制时间为40s。
在步骤S15中,所形成的聚合物滑动层的厚度为0.01mm~0.02mm。所述高温轧制的温度为192度。
与现有技术相比,本发明提供的汽车座椅调角器自润滑轴承通过调配所述耐磨自润滑材料的配方,即该耐磨自润滑材料由硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯组成,且该聚四氟乙烯的质量百分比含量为5~15%,所述硫酸钡的质量百分比含量为15~25%,所述碳纤维的质量百分比含量为1~5%,所述聚偏氟乙烯的质量百分比含量为55~75%,再通过控制该硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯的料径,再在本发明所提供的制造工艺的控制下,使得聚四氟乙烯的晶型转变,即使其转为单斜晶型,从而使得该耐磨自润滑材料制成的聚合物滑动层的摩擦系数控制在0.03~0.06之间,既可以避免该汽车座椅调角器自润滑轴承“打滑”也可以防止该汽车座椅调角器因摩擦系数太大而磨损,进而使得该汽车座椅调角器自润滑轴承成为一种耐磨损的轴承。
以上仅为本发明的较佳实施例,并不用于局限本发明的保护范围,任何在本发明精神内的修改、等同替换或改进等,都涵盖在本发明的权利要求范围内。
Claims (6)
1.由耐磨自润滑材料制备的汽车座椅调角器自润滑轴承,其特征在于:所述汽
车座椅调角器自润滑轴承包括一个金属衬底层,设置在该金属衬底层上的铜
合金层,以及设置在所述铜合金层上的聚合物滑动层,所述铜合金层由铜合
金粉末烧结而成,且该铜合金层的孔隙率为36%~51%,所述铜合金粉末的粒
径为30μm~60μm,所述聚合物滑动层由耐磨自润滑材料制成,所述耐磨自
润滑材料由硫酸钡,聚四氟乙烯,碳纤维,以及聚偏氟乙烯组成,所述聚四
氟乙烯的质量百分比含量为5~15%,所述硫酸钡的质量百分比含量为15~
25%,所述碳纤维的质量百分比含量为1~5%,所述聚偏氟乙烯的质量百分比
含量为55~75%,所述硫酸钡的粒径为5~10um,所述聚四氟乙烯的粒径为
10um,所述碳纤维的长度为100~150um 且宽度为10um,所述聚偏氟乙烯的
粒径为100um~150um 并相互分散的粉末,所述聚合物滑动层的厚度为
0.01mm~0.02mm,制备所述聚合物滑动层时,对所述耐磨自润滑材料进行预
压制,预压温度为250~270℃,预热10min~15min,压制时间35s~45s,
然后将预压后的耐磨自润滑材料在高温轧机上进行高温轧制,轧制温度为
180℃~200℃以控制聚四氟乙烯的晶型转变,使其转为单斜晶型以使所述聚
合物滑动层的摩擦系数为0.03~0.06。
2.如权利要求1 所述的由耐磨自润滑材料制备的汽车座椅调角器自润滑轴承,
其特征在于:所述硫酸钡,聚四氟乙烯,碳纤维,聚偏氟乙烯的重量百分比
含量分别为8%,19%,4%,69%。
3.如权利要求1 所述的由耐磨自润滑材料制备的汽车座椅调角器自润滑轴承,
其特征在于:所述硫酸钡的粒径为7um,所述聚四氟乙烯的粒径为10um,所
述碳纤维的长度为120um 且宽度为10um,聚偏氟乙烯的粒径为135um。
4.如权利要求1 所述的由耐磨自润滑材料制备的汽车座椅调角器自润滑轴承,
其特征在于:所述铜合金层的孔隙率为46%。
5.如权利要求1 所述的由耐磨自润滑材料制备的汽车座椅调角器自润滑轴承,
其特征在于:对所述耐磨自润滑材料进行预压制,压制时间为40s。
6.如权利要求1 所述的由耐磨自润滑材料制备的汽车座椅调角器自润滑轴承,
其特征在于:所述高温轧制的温度为192 度。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811079244.8A CN109294696B (zh) | 2018-09-17 | 2018-09-17 | 自润滑材料、汽车座椅调角器自润滑轴承及其制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811079244.8A CN109294696B (zh) | 2018-09-17 | 2018-09-17 | 自润滑材料、汽车座椅调角器自润滑轴承及其制造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109294696A CN109294696A (zh) | 2019-02-01 |
CN109294696B true CN109294696B (zh) | 2024-05-03 |
Family
ID=65163167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811079244.8A Active CN109294696B (zh) | 2018-09-17 | 2018-09-17 | 自润滑材料、汽车座椅调角器自润滑轴承及其制造方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109294696B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110951519B (zh) * | 2019-12-06 | 2022-09-30 | 平湖市凯丰机械制造有限公司 | 水润滑固体润滑柱及其制作方法 |
CN114801108A (zh) * | 2021-02-09 | 2022-07-29 | 浙江长盛滑动轴承股份有限公司 | 一种高耐磨pvdf复合板材及其制备方法 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0217462A1 (de) * | 1985-09-25 | 1987-04-08 | KOLBENSCHMIDT Aktiengesellschaft | Wartungsarmer Gleitlagerwerkstoff |
JPS62185747A (ja) * | 1986-02-10 | 1987-08-14 | Japan Synthetic Rubber Co Ltd | 樹脂組成物 |
CN1037480A (zh) * | 1988-05-05 | 1989-11-29 | 科尔本施米德有限公司 | 复合滑动表面轴承材料及其制备方法 |
JP2002020568A (ja) * | 2000-07-07 | 2002-01-23 | Taiho Kogyo Co Ltd | 摺動材料 |
US6528143B1 (en) * | 1996-01-31 | 2003-03-04 | Federal-Mogul Wiesbaden Gmbh & Co. Kg | Multilayer material for plain bearing and method of making same |
DE202007003636U1 (de) * | 2007-03-12 | 2007-05-24 | Meisel, Werner, Dipl.-Ing. | Suspensionen/Dispersionen aus Microkeramik, Nanokeramik oder PolymerNanokeramik als Friction Modifier und/oder heterogener Katalysator und Schadstoff-Reduktor von Kohlenstoffdioxid (CO2), Stickstoffoxide (NOx), Kohlenwasserstoff (HC) und Russ |
CN101413544A (zh) * | 2008-12-01 | 2009-04-22 | 江苏希西维轴承有限公司 | 油润滑或脂润滑的自润滑滑动轴承 |
EP2532905A1 (de) * | 2011-06-06 | 2012-12-12 | KS Gleitlager GmbH | Gleitlagerverbundwerkstoff und hieraus hergestelltes Gleitlagerelement |
CN104763749A (zh) * | 2015-03-31 | 2015-07-08 | 上海应用技术学院 | 一种耐温金属基镶嵌固体自润滑轴承及其制备方法 |
EP2910805A1 (de) * | 2014-02-19 | 2015-08-26 | Hühoco Metalloberflächenveredelung GmbH | Hybrider Metall-Kunststoff-Verbund für ein Gleitlager und Verfahren zu seiner Herstellung |
CN105637244A (zh) * | 2013-12-27 | 2016-06-01 | 联合莫古尔威斯巴登有限公司 | 具有硫化锌和硫酸钡的滑动轴承材料和滑动轴承复合材料 |
CN106280147A (zh) * | 2016-08-10 | 2017-01-04 | 浙江长盛滑动轴承股份有限公司 | 改性pvdf耐磨自润滑动轴承材料、板材及其制备方法 |
-
2018
- 2018-09-17 CN CN201811079244.8A patent/CN109294696B/zh active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0217462A1 (de) * | 1985-09-25 | 1987-04-08 | KOLBENSCHMIDT Aktiengesellschaft | Wartungsarmer Gleitlagerwerkstoff |
JPS62185747A (ja) * | 1986-02-10 | 1987-08-14 | Japan Synthetic Rubber Co Ltd | 樹脂組成物 |
CN1037480A (zh) * | 1988-05-05 | 1989-11-29 | 科尔本施米德有限公司 | 复合滑动表面轴承材料及其制备方法 |
US6528143B1 (en) * | 1996-01-31 | 2003-03-04 | Federal-Mogul Wiesbaden Gmbh & Co. Kg | Multilayer material for plain bearing and method of making same |
JP2002020568A (ja) * | 2000-07-07 | 2002-01-23 | Taiho Kogyo Co Ltd | 摺動材料 |
DE202007003636U1 (de) * | 2007-03-12 | 2007-05-24 | Meisel, Werner, Dipl.-Ing. | Suspensionen/Dispersionen aus Microkeramik, Nanokeramik oder PolymerNanokeramik als Friction Modifier und/oder heterogener Katalysator und Schadstoff-Reduktor von Kohlenstoffdioxid (CO2), Stickstoffoxide (NOx), Kohlenwasserstoff (HC) und Russ |
CN101413544A (zh) * | 2008-12-01 | 2009-04-22 | 江苏希西维轴承有限公司 | 油润滑或脂润滑的自润滑滑动轴承 |
EP2532905A1 (de) * | 2011-06-06 | 2012-12-12 | KS Gleitlager GmbH | Gleitlagerverbundwerkstoff und hieraus hergestelltes Gleitlagerelement |
CN105637244A (zh) * | 2013-12-27 | 2016-06-01 | 联合莫古尔威斯巴登有限公司 | 具有硫化锌和硫酸钡的滑动轴承材料和滑动轴承复合材料 |
EP2910805A1 (de) * | 2014-02-19 | 2015-08-26 | Hühoco Metalloberflächenveredelung GmbH | Hybrider Metall-Kunststoff-Verbund für ein Gleitlager und Verfahren zu seiner Herstellung |
CN104763749A (zh) * | 2015-03-31 | 2015-07-08 | 上海应用技术学院 | 一种耐温金属基镶嵌固体自润滑轴承及其制备方法 |
CN106280147A (zh) * | 2016-08-10 | 2017-01-04 | 浙江长盛滑动轴承股份有限公司 | 改性pvdf耐磨自润滑动轴承材料、板材及其制备方法 |
Non-Patent Citations (3)
Title |
---|
Durable and self-healing superhydrophobic polyvinylidene fluoride (PVDF) composite coating with in-situ gas compensation function;Liu, ZJ等;SURFACE & COATINGS TECHNOLOGY;20171025;第327卷;第18-24页 * |
共混型增强聚四氟乙烯复合材料制备工艺研究;毛宇泽;中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑;20150215;第B020-70页 * |
颜录科 ; 李炜光 ; 高莉宁 ; 孙增智 ; .碳纤维/硫酸钡混杂增强聚四氟乙烯复合材料的研究.绝缘材料.2010,(第01期),正文第14页第2段;第15页第1、9段;第16页第3段. * |
Also Published As
Publication number | Publication date |
---|---|
CN109294696A (zh) | 2019-02-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6741730B2 (ja) | 焼結軸受およびその製造方法 | |
CN109294696B (zh) | 自润滑材料、汽车座椅调角器自润滑轴承及其制造方法 | |
EP1951443B1 (de) | Bauelement, insbesondere formteil, mit einer beschichtung | |
US8128168B2 (en) | Bearing bush for seat reclining device and seat reclining device | |
EP2568186A1 (en) | Three-layer composite self-lubricating sliding bearing with modified polyimide wear layer and preparation method thereof | |
RU2476343C2 (ru) | Многослойный ползун и направляющая зубчатой рейки реечного рулевого механизма автомобиля, в котором он применяется | |
EP2087250B1 (en) | Bearing having improved consume resistivity and manufacturing method thereof | |
US20190249716A1 (en) | Slide member and method for producing same | |
EP3284965B1 (en) | Sliding component and method | |
WO2012067378A2 (ko) | 윤활 특성이 향상된 슬라이딩 베어링 | |
WO2008141592A1 (fr) | Palier autolubrifiant sans plomb et son procédé de production | |
SK822001A3 (en) | Bearing material | |
JP6921046B2 (ja) | 焼結軸受の製造方法 | |
TWI452216B (zh) | Sliding members and bearings | |
JP2010533756A (ja) | 無鉛焼結潤滑材料及びその製造のための焼結粉末 | |
CN112555283B (zh) | 滑动构件 | |
KR102389751B1 (ko) | 슬라이딩 부재 | |
WO2007105643A1 (ja) | 座席のリクライニング装置 | |
RU103110U1 (ru) | Соединительный шарнир гарнитуры стрелочного электропривода | |
RU2450893C1 (ru) | Соединительный шарнир гарнитуры стрелочного электропривода | |
WO2015050200A1 (ja) | 焼結軸受、およびその製造方法 | |
CN114082960B (zh) | 轴套的制备方法、轴套及挖掘机 | |
JPH11293304A (ja) | 複層焼結摺動部材とその製造方法 | |
JP2009222073A (ja) | 2層軸受及びその製造方法 | |
JP6548952B2 (ja) | 焼結軸受及びその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant |