WO2017206346A1 - 一种麦秸秆纤维刹车片摩擦材料生产工艺 - Google Patents

一种麦秸秆纤维刹车片摩擦材料生产工艺 Download PDF

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WO2017206346A1
WO2017206346A1 PCT/CN2016/094933 CN2016094933W WO2017206346A1 WO 2017206346 A1 WO2017206346 A1 WO 2017206346A1 CN 2016094933 W CN2016094933 W CN 2016094933W WO 2017206346 A1 WO2017206346 A1 WO 2017206346A1
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preset length
friction material
brake pad
straw fiber
wheat straw
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PCT/CN2016/094933
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English (en)
French (fr)
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熊万军
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江苏金麦穗新能源科技股份有限公司
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Priority to US16/090,183 priority Critical patent/US20190113093A1/en
Publication of WO2017206346A1 publication Critical patent/WO2017206346A1/zh

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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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/02—Composition of linings ; Methods of manufacturing
    • F16D69/027—Compositions based on metals or inorganic oxides
    • 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
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/02—Composition of linings ; Methods of manufacturing
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/149—Antislip compositions
    • 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
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/02—Composition of linings ; Methods of manufacturing
    • F16D69/025—Compositions based on an organic binder
    • F16D69/026—Compositions based on an organic binder containing 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/006—Materials; Production methods therefor containing fibres or particles
    • 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
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/006—Materials; Production methods therefor containing fibres or particles
    • F16D2200/0069—Materials; Production methods therefor containing fibres or particles being characterised by their size

Definitions

  • the invention relates to the field of production of friction material of automobile brake pad, in particular to a production process of friction material of wheat straw fiber brake pad.
  • the friction material of the automobile brake pad produced by the current technology has a problem that the brake noise is large, the braking performance is deteriorated, and the braking effect is not good after continuous use.
  • the present invention provides a wheat straw fiber brake pad friction material production process by using wheat straw fiber in the production process to produce a wheat straw fiber brake pad friction material with low noise and good braking performance.
  • the invention provides a wheat straw fiber brake pad friction material production process comprising the following steps:
  • the second preset length of the broken orange rod is immersed in the glue bath for 0.5-1.5 hours, and the mass percentage ratio of each substance in the glue pool is: liquid resin glue 60%, magnesium oxide 10%, nitrile rubber 5 %, 20% alcohol with a purity above 90%, 5% other catalysts, and the temperature of the glue pool is controlled at 50-70 degrees Celsius;
  • 10% by mass of the reinforcing material is mixed and stirred in a high-speed mixer for 20-40 minutes, and after being completely fused, the barrel is formed to produce a wheat straw fiber brake pad friction material.
  • the first predetermined length is no more than 10 cm.
  • the second predetermined length is 3-5 cm.
  • the cooking time is controlled to 5 hours.
  • the second preset length of the broken orange rod is dipped in the glue pool for 1 hour, and the temperature of the glue pool is controlled at 60 degrees Celsius.
  • the drying temperature is controlled at 80-90 degrees Celsius.
  • the wheat straw fiber brake pad friction material production process of the embodiment of the invention produces the wheat straw plant fiber used by the wheat straw fiber brake pad friction material, and the product structure is dense, pollution-free, green environmentally friendly material,
  • the temperature can be maintained above 300 degrees Celsius. Even if it exceeds the temperature that it can withstand, the surface is charred without coking, and the generated carbon is attached to the surface of the friction material to provide frictional powder lubrication.
  • the fiber structure and the thick stem stem can disperse the external force on the friction material of the brake pad, play a good buffering and rebounding effect, can obtain the effect of immediate braking, and not damage the duality, reduce the noise generated by the brake. Excellent dispersibility and combination drive the uniform distribution of other materials, greatly improving the thermal decay and hardness of the brake pads.
  • FIG. 1 is a schematic block diagram showing a production process of a friction material for wheat straw fiber brake pads according to a preferred embodiment of the present invention.
  • the production process of the wheat straw fiber brake pad friction material comprises the following steps:
  • the wheat straw is dried, removed from the mud, and then the root is removed, and the wheat straw is cut into a first preset length, the first preset length is not more than 10 cm, and the cooking is carried out after degreasing and drying.
  • the time is controlled at 5 hours.
  • the second preset length is 3-5 cm.
  • the second preset length of the broken orange rod is immersed in the glue pool for 1 hour, and the temperature of the glue pool is controlled at 60 degrees Celsius.
  • the drying temperature is controlled at 80-90 degrees Celsius.
  • the product specifications are as follows: Product index: length: 1-2mm, diameter: 3-5mm, cellulose content greater than 50%, density: 1.35-1.72g/cm3, volatile matter: less than 7%, specific surface area: 0.05-0.08 M2/g, dry rupture strength is greater than 1.75 cN/dtcx.
  • the brake pad can be produced by using the wheat straw fiber brake pad friction material, and the specific process is as follows:
  • a steel back is provided, and a special steel back adhesive is uniformly applied to the surface of the steel back for pressing the friction material.
  • the addition of the auxiliary materials is mainly performed according to the ratio, and specifically includes:
  • Steel back oil removal remove the oil and rust from the steel back shot blasting machine
  • Gluing dilute the steel back special glue with alcohol or acetone to the working concentration
  • Steel back coating Apply the special steel back glue evenly on the surface of the steel back for pressing the friction material.
  • Weighing Weigh the mixture according to the type of brake pad and the required quantity.
  • the friction material is mounted on a steel back press for hot pressing to form a semi-finished brake pad
  • the hot pressing temperature is 150 ° C to 160 ° C
  • the pressing pressure of the pressing machine is 18 MPa
  • the exhausting is performed 3 times for 30 seconds each time. , heat preservation for 300 seconds;
  • the heat treatment temperature is stepwise heating 150 ° C ⁇ 180 ° C, time is 4 to 12 hours, and then cooled to 50 ° C, mechanical and accessory installation to produce wheat straw fiber brake pad .
  • the heat treatment temperature includes mechanical processing: grinding, chamfering and other mechanical processing according to the technical requirements of the brake pad drawing; installing silencer: installing silencer on the processed brake pad Riveting: riveting the attachment to the steel back of the brake pad; spraying: mechanically spraying or painting the brake pad; coding: spraying the model and production date on the brake pad;
  • the wheat straw fiber brake pad is packaged.
  • the wheat straw fiber brake pad friction material production process of the embodiment of the invention produces the wheat straw fiber brake pad friction material.
  • the product is wheat straw plant fiber, and the product structure is dense, pollution-free, green.
  • Environmentally friendly materials, used in brake pad friction materials the temperature can be maintained above 300 degrees Celsius, even if it exceeds the temperature it can withstand, the surface is charred without coking, and the resulting char is attached to the surface of the friction material, which acts as a friction powder.
  • Lubrication, unique fiber structure and thick stem stem can disperse the external force on the friction material of the brake pad, play a good buffering and rebounding effect, can obtain the effect of immediate braking, and not damage the dual, reduce the cause
  • the noise generated by the brakes, excellent dispersibility and combination drive the other materials to evenly distribute, improving the thermal decay and hardness of the brake pads.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Braking Arrangements (AREA)

Abstract

一种麦秸秆纤维刹车片摩擦材料生产工艺，包括步骤：将麦秸秆去除杂质后，切割成第一预设长度的碎秸秆，并将碎秸秆蒸煮去脂后甩干；将甩干后的第一预设长度的碎秸秆切割成第二预设长度的碎秸秆，第一预设长度大于第二预设长度；将第二预设长度的碎秸秆浸入胶池中浸胶0.5-1.5小时；将浸胶后的第二预设长度的碎秸秆烘干增强，并与配料混合并在高速混料机中进行搅拌20-40分钟，待完全融合后放出装桶生成麦秸秆纤维刹车片摩擦材料。该麦秸秆纤维刹车片摩擦材料生产工艺生产出的刹车片摩擦材料具有噪音低且性能好的优点。

Description

一种麦秸秆纤维刹车片摩擦材料生产工艺 技术领域
本发明涉及汽车刹车片摩擦材料生产领域，特别是一种麦秸秆纤维刹车片摩擦材料生产工艺。
背景技术
目前的技术生产的汽车刹车片摩擦材料在连续使用后，使得刹车的噪音较大，刹车性能变差，刹车效果不好的问题。
因此，如何设计一种刹车片摩擦材料的生产工艺生使得生产出的刹车片摩擦材料的刹车噪音低且刹车性能好是业界亟需解决的课题。
发明内容
为了解决上述现有的技术问题，本发明提供一种麦秸秆纤维刹车片摩擦材料生产工艺利用在生产过程中加入麦秸秆纤维以生产出噪音低且刹车性能好的麦秸秆纤维刹车片摩擦材料。
本发明提供一种麦秸秆纤维刹车片摩擦材料生产工艺包括步骤：
将桔杆去除杂质后，切割成第一预设长度的碎桔杆，并将所述碎桔杆蒸煮去脂后甩干；
将所述甩干后的第一预设长度的碎桔杆切割成第二预设长度的碎桔杆，所述第一预设长度大于第二预设长度；
将第二预设长度的碎桔杆浸入胶池中浸胶0.5-1.5小时，所述胶池中各物质的质量百分数比例分别为：液体树脂胶60％，氧化镁10％，丁晴胶5％，纯度90以上的酒精20％，其他催化剂5％，胶池的温度控制在50-70摄氏度；
将浸胶后的第二预设长度的碎桔杆烘干并增强后，按照第二预设长度的碎桔杆35％、酚醛改性树脂7％、建筑填充料19％、减摩材料20％、硫铁矿0.5％、炭黑0.5％、氧化铝1％、40目黄铜粉7％。增强材料10％的质量份数混合并在高速混料机中进行搅拌20-40分钟，待完全融合后放出装桶生成麦秸秆纤维刹车片摩擦材料。
优选地，所述第一预设长度不大于10cm。
优选地，所述第二预设长度为在3-5cm。
所述将碎桔杆蒸煮去脂后甩干的步骤中，蒸煮的时间控制在5小时。
优选地，所述将第二预设长度的碎桔杆浸入胶池中浸胶1小时，且所述胶池的温度控制在60摄氏度。
优选地，在所述将浸胶后的第二预设长度的碎桔杆烘干并增强的步骤中，烘干的温度控制在80-90摄氏度。
相较于现有技术，本发明实施例的麦秸秆纤维刹车片摩擦材料生产工艺生产出麦秸秆纤维刹车片摩擦材料使用的麦秸秆植物纤维，产品组织架构稠密，无污染，绿色环保材料，用在刹车片摩擦材料中，温度可以维持在300摄氏度以上，即使超过自身所能承受的温度，表面炭化而不结焦，所产生的炭化物附于摩擦材料表面，起到摩擦粉般的润滑作用，独特的纤维结构和粗秆茎能够很好的分散外界对刹车片摩擦材料的作用力，起到良好的缓冲和反弹作用，能够获得立即制动的效果，并且不损伤对偶，减少因刹车产生的噪音，极好的分散性和结合性带动其他材料均匀分布，大大改善刹车片的热衰退性及硬度。
附图说明
图1为本发明一优选实施例的麦秸秆纤维刹车片摩擦材料生产工艺的方框示意图。
具体实施方式
下面结合附图说明及具体实施方式对本发明进一步说明。
请参阅图1。本发明优选实施例的麦秸秆纤维刹车片摩擦材料生产工艺包括步骤：
S1：将麦桔杆去除杂质后，切割成第一预设长度的碎桔杆，并将所述碎桔杆蒸煮去脂后甩干；
本步骤中，将麦秸秆晒干、去泥后去掉根部后切断，将麦秸秆切成第一预设长度，该第一预设长度不大于10cm的长度，蒸煮去脂后甩干过程中蒸煮的时间控制在5小时。
S2：将所述甩干后的第一预设长度的碎桔杆切割成第二预设长度的碎桔杆，所述第一预设长度大于第二预设长度；
本步骤中，第二预设长度为在3-5cm。
S3：将第二预设长度的碎桔杆浸入胶池中浸胶0.5-1.5小时，所述胶池中各物质的质量百分数比例分别为：液体树脂胶60％，氧化镁10％，丁晴胶5％，纯度90以上的酒精20％，其他催化剂5％，胶池的温度控制在50-70摄氏度；
本步骤中，所述将第二预设长度的碎桔杆浸入胶池中浸胶1小时，且所述胶池的温度控制在60摄氏度。
S4：将浸胶后的第二预设长度的碎桔杆烘干并增强后，按照第二预设长度的碎桔杆35％、酚醛改性树脂7％、建筑填充料19％、减摩材料20％、硫铁矿0.5％、炭黑0.5％、氧化铝1％、40目黄铜粉7％。增强材料10％的质量份数混合并在高速混料机中进行搅拌20-40分钟，待完全融合后放出装桶生成麦秸秆纤维刹车片摩擦材料。
本步骤中，在所述将浸胶后的第二预设长度的碎桔杆烘干并增强的步骤中，烘干的温度控制在80-90摄氏度。生产的产品指标如下：产品指标：长：1-2mm，直径：3-5mm，纤维素含量大于50％，密度：1.35-1.72g/cm3，挥发物：小于7％，比表面积：0.05-0.08m2/g，干断裂强度大于1.75cN/dtcx。
上述S1至S4的步骤完成该麦秸秆纤维刹车片摩擦材料的生产后，可以利用该麦秸秆纤维刹车片摩擦材料生产刹车片，具体过程如下：
首先，提供钢背，并把配好的钢背专用胶均匀涂在钢背用于压制摩擦材料的面上。本步骤中，主要按照配比进行辅料的添加，具体包括：
钢背除油：将钢背用抛丸机去掉油污和铁锈；
配胶：用酒精或丙酮稀释钢背专用胶至工作浓度；
钢背涂胶：把配好的钢背专用胶均匀涂在钢背用于压制摩擦材料的面上。
称料：把混料按照刹车片的型号和需要的数量进行称重。
然后，将所述摩擦材料装上钢背用压机进行热压生成半成品刹车片，热压温度为150℃～160℃，压机压制压力为18兆帕，排气3次，每次30秒，保温300秒；
最后，热压后的所述半成品刹车片进行热处理，热处理温度为阶梯式升温150℃～180℃，时间为4～12小时，然后降温至50℃，进行机械及配件安装生成麦秸秆纤维刹车片。具体包括机械处理：按刹车片图纸工艺要求进行磨削、倒角等机械加工；安装消音片：在加工好的刹车片上安装消音 片；铆接：把附件铆接在刹车片钢背上；喷涂：对刹车片机械喷粉或喷漆；喷码：在刹车片上喷上型号和生产日期；
进一步的，将所述麦秸秆纤维刹车片进行包装。
相较于现有技术，本发明实施例的麦秸秆纤维刹车片摩擦材料生产工艺，生产出麦秸秆纤维刹车片摩擦材料的本产品是使用麦秸秆植物纤维，产品组织架构稠密，无污染，绿色环保材料，用在刹车片摩擦材料中，温度可以维持在300摄氏度以上，即使超过自身所能承受的温度，表面炭化而不结焦，所产生的炭化物附于摩擦材料表面，起到摩擦粉般的润滑作用，独特的纤维结构和粗秆茎能够很好的分散外界对刹车片摩擦材料的作用力，起到良好的缓冲和反弹作用，能够获得立即制动的效果，并且不损伤对偶，减少因刹车产生的噪音，极好的分散性和结合性带动其他材料均匀分布，改善刹车片的热衰退性及硬度。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。

Claims (5)

  1. 一种麦秸秆纤维刹车片摩擦材料生产工艺，其特征在于，包括步骤：
    将麦桔杆去除杂质后，切割成第一预设长度的碎桔杆，并将所述碎桔杆蒸煮去脂后甩干；
    将所述甩干后的第一预设长度的碎桔杆切割成第二预设长度的碎桔杆，所述第一预设长度大于第二预设长度；
    将第二预设长度的碎桔杆浸入胶池中浸胶0.5-1.5小时，所述胶池中各物质的质量百分数比例分别为：液体树脂胶60％,氧化镁10％,丁晴胶5％,纯度90以上的酒精20％,其他催化剂5％,胶池的温度控制在50-70摄氏度；
    将浸胶后的第二预设长度的碎桔杆烘干并增强后，按照第二预设长度的碎桔杆35％、酚醛改性树脂7％、建筑填充料19％、减摩材料20％、硫铁矿0.5％、炭黑0.5％、氧化铝1％、40目黄铜粉7％。增强材料10％的质量份数混合并在高速混料机中进行搅拌20-40分钟，待完全融合后放出装桶生成麦秸秆纤维刹车片摩擦材料。
  2. 根据权利要求1所述的麦秸秆纤维刹车片摩擦材料生产工艺，其特征在于，所述第一预设长度不大于10cm。
  3. 根据权利要求1所述的麦秸秆纤维刹车片摩擦材料生产工艺，其特征在于，所述第二预设长度为在3-5cm。
    所述将碎桔杆蒸煮去脂后甩干的步骤中，蒸煮的时间控制在5小时。
  4. 根据权利要求1所述的麦秸秆纤维刹车片生产工艺，其特征在于，所述将第二预设长度的碎桔杆浸入胶池中浸胶1小时，且所述胶池的温度控制在60摄氏度。
  5. 根据权利要求1所述的麦秸秆纤维刹车片生产工艺，其特征在于，在所述将浸胶后的第二预设长度的碎桔杆烘干并增强的步骤中，烘干的温度控制在80-90摄氏度。
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