CN107254295A - One kind is without asbestos low metal automotive friction material - Google Patents

One kind is without asbestos low metal automotive friction material Download PDF

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Publication number
CN107254295A
CN107254295A CN201710708838.XA CN201710708838A CN107254295A CN 107254295 A CN107254295 A CN 107254295A CN 201710708838 A CN201710708838 A CN 201710708838A CN 107254295 A CN107254295 A CN 107254295A
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CN
China
Prior art keywords
friction material
raw material
low metal
yarn
asbestos
Prior art date
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Pending
Application number
CN201710708838.XA
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Chinese (zh)
Inventor
张美红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Man Li Nice Metal Technology Co Ltd
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Suzhou Man Li Nice Metal Technology Co Ltd
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Application filed by Suzhou Man Li Nice Metal Technology Co Ltd filed Critical Suzhou Man Li Nice Metal Technology Co Ltd
Priority to CN201710708838.XA priority Critical patent/CN107254295A/en
Publication of CN107254295A publication Critical patent/CN107254295A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00Materials not provided for elsewhere
    • C09K3/14Anti-slip materials; Abrasives
    • C09K3/149Antislip compositions
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/02Composition of linings ; Methods of manufacturing

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Braking Arrangements (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

It is a kind of to be constituted without asbestos low metal automotive friction material, including following percentage by weight raw material:Reinforcing material 45% ~ 50%, binding agent 20% ~ 25%, filler 15% ~ 28%, auxiliary additive 1% ~ 5%, the reinforcing material includes glass composite yarn, core yarn, aramid fiber core spun yarn, polypropylene fibre and ceramic fibre.Friction material proposed by the invention has good anti-wear performance, simultaneously, with excellent flexility, the problem of content of metal is very low in material, solves friction material easy-to-rust, and noise is big during work, and it is low to prepare cost, environment is safe from harm, coefficient of friction is more stable, service life is longer.

Description

One kind is without asbestos low metal automotive friction material
Technical field
The present invention relates to friction materials technology field, and in particular to one kind is without asbestos low metal automotive friction material.
Background technology
Friction material is for playing transmission, braking, deceleration, steering, parking etc. in many movable machineries and equipment Since functional accessory, it may be said that having mechanical movement, the mankind just have a requirement of skidding, and wooden unit, ox-hide, rubber etc. were all once Through being used as brake material.Before the 1970s and 1980s in last century asbestos friction material as traditional product always by people
Class is largely used, after this, because known widely asbestos can cause pulmonary lesion and celiothelioma and relevant with the generation of lung cancer. International medical oncology discussion in 1972 confirms that asbestos fibre contains carcinogen, hereafter, friction goods without asbestos and nothing Pollutionization is increasingly becoming the common recognition of world's sexual development.
With the development and the raising of modern society's environmental consciousness of auto industry, the condition of work of automotive brake friction material It is increasingly harsher, to its performance requirement also more and more higher, for example require brake friction material have enough and stable coefficient of friction, Good thermal conductivity, larger thermal capacity, certain high temperature mechanical strength, good wearability and block resistance, it is difficult scratch Mating plate, noiseless, low cost, environmentally safe etc..Current most widely used brake friction material has two classes, and a class is Using the semimetal braking friction material of Stainless-steel fibre, the shortcoming of this kind of material is to cause product when dosage of steel fiber is excessive Excessive high hardness, easy-to-rust, easily cause shriek and produce and tremble during braking;Another kind of is without asbestos organic friction material, mainly Be addition glass fibre, potassium titanate crystal whisker or Fanglun slurry cake etc. as reinforcing material, but aramid fiber is expensive, shredding compared with Difficult the problems such as, limits the application of the material.
Therefore, in view of the above-mentioned problems, the present invention proposes a kind of new technical scheme.
The content of the invention
It is free of contamination without asbestos low metal car it is an object of the invention to provide a kind of pliability is good, noise is low, wearability good Use friction material.
The present invention is achieved through the following technical solutions:
It is a kind of to be constituted without asbestos low metal automotive friction material, including following percentage by weight raw material:Reinforcing material 45% ~ 50%, Binding agent 20% ~ 25%, filler 15% ~ 28%, auxiliary additive 1% ~ 5%, the reinforcing material includes glass composite yarn, core spun yarn Line, aramid fiber core spun yarn, polypropylene fibre and ceramic fibre.
Further, the reinforcing material includes the raw material composition of following percentage by weight:Glass composite yarn 0 ~ 45%, bag Heart yarn 0 ~ 35%, aramid fiber core spun yarn 0 ~ 40%, polypropylene fibre 1% ~ 10%, ceramic fibre 3 ~ 10%.
Further, the binding agent includes the raw material composition of following percentage by weight:Phenol-formaldehyde resin modified 10% ~ 12%, Butadiene-styrene rubber 10 ~ 13%.
Further, the filler includes the raw material composition of following percentage by weight:Sulphur 5% ~ 6%, zinc oxide 5% ~ 6%, Barium sulfate 1% ~ 2%, graphite 2% ~ 5%, diatomite 1% ~ 2%, carbon black 0 ~ 5%, mica powder 1% ~ 3%, acicular wollastonite 1% ~ 4%, iron oxide 0~1.5%。
A kind of preparation method without asbestos low metal automotive friction material, comprises the following steps:
A, by above-mentioned percentage by weight weigh required raw material, then by each raw material be put into stirring mixing 20 in batch mixer ~ 30min;
B, the material mixed be put into hot forming machine carry out hot forming, in hot pressing temperature control 150 DEG C ~ 200 DEG C, Stress control is in 10 ~ 25MPa, and the press time is 5 ~ 10min;
C, compressing product is put into baking box, first by 135 DEG C ~ 150 DEG C of temperature, is incubated 1.5 ~ 2h, then temperature is risen to 180 DEG C ~ 220 DEG C, 1 ~ 1.5h is incubated, room temperature is finally cooled to;
D, by the product of cooling pass through grinding, spray painting processing and annex assembly process, you can to required friction material.
The beneficial effects of the invention are as follows:Friction material proposed by the invention has good anti-wear performance, meanwhile, have The content of metal is very low in excellent flexility, material, solves friction material easy-to-rust, and noise asking greatly during work Topic, and preparation cost is low, environment is safe from harm, coefficient of friction is more stable, service life is longer.
Embodiment
The present invention is described further with reference to embodiment.
Embodiment 1
It is a kind of to be constituted without asbestos low metal automotive friction material, including following percentage by weight raw material:
Glass composite yarn 45%, polypropylene fibre 5%, ceramic fibre 5%, phenol-formaldehyde resin modified 10%, butadiene-styrene rubber 10%, sulphur 5%, Zinc oxide 5%, barium sulfate 2%, graphite 2%, diatomite 1%, carbon black 4%, mica powder 2%, acicular wollastonite 2%, auxiliary additive 2%,
A kind of preparation method without asbestos low metal automotive friction material, comprises the following steps:
A, by above-mentioned percentage by weight required raw material are weighed, each raw material are then put into stirring mixing 20min in batch mixer;
B, the material mixed is put into hot forming machine carries out hot forming, temperature control is at 150 DEG C in hot pressing, pressure Power is controlled in 13MPa, and the press time is 5min;
C, compressing product is put into baking box, first by 135 DEG C of temperature, is incubated 1.5h, then temperature is risen into 180 DEG C, insulation 1h, is finally cooled to room temperature;
D, by the product of cooling pass through grinding, spray painting processing and annex assembly process, you can to required friction material.
Embodiment 2
It is a kind of to be constituted without asbestos low metal automotive friction material, including following percentage by weight raw material:
Core yarn 35%, polypropylene fibre 6%, ceramic fibre 8%, phenol-formaldehyde resin modified 12%, butadiene-styrene rubber 12%, sulphur 5%, oxygen Change zinc 5%, barium sulfate 2%, graphite 5%, diatomite 2%, carbon black 5%, acicular wollastonite 2%, auxiliary additive 1%.
A kind of preparation method without asbestos low metal automotive friction material, comprises the following steps:
A, by above-mentioned percentage by weight required raw material are weighed, each raw material are then put into stirring mixing 25min in batch mixer;
B, the material mixed is put into hot forming machine carries out hot forming, temperature control is at 155 DEG C in hot pressing, pressure Power is controlled in 15MPa, and the press time is 8min;
C, compressing product is put into baking box, first by 145 DEG C of temperature, is incubated 2h, then temperature is risen into 200 DEG C, insulation 1.5h, is finally cooled to room temperature;
D, by the product of cooling pass through grinding, spray painting processing and annex assembly process, you can to required friction material.
Embodiment 3
It is a kind of to be constituted without asbestos low metal automotive friction material, including following percentage by weight raw material:
Aramid fiber core spun yarn 40%, polypropylene fibre 6%, ceramic fibre 5%, phenol-formaldehyde resin modified 10%, butadiene-styrene rubber 12.5%, sulphur 6%, zinc oxide 3%, barium sulfate 2%, graphite 4%, diatomite 2%, carbon black 4%, acicular wollastonite 2%, iron oxide 1.5%, auxiliary addition Agent 2%,
A kind of preparation method without asbestos low metal automotive friction material, comprises the following steps:
A, by above-mentioned percentage by weight required raw material are weighed, each raw material are then put into stirring mixing 30min in batch mixer;
B, the material mixed is put into hot forming machine carries out hot forming, temperature control is at 200 DEG C in hot pressing, pressure Power is controlled in 25MPa, and the press time is 10min;
C, compressing product is put into baking box, first by 150 DEG C of temperature, is incubated 1.5 ~ 2h, then temperature is risen into 220 DEG C, guarantor Warm 1.5h, is finally cooled to room temperature;
D, by the product of cooling pass through grinding, spray painting processing and annex assembly process, you can to required friction material.
Friction material proposed by the invention has good anti-wear performance, meanwhile, with excellent flexility, material The problem of content of interior metal is very low, solves friction material easy-to-rust, and noise is big during work, and it is low to prepare cost, Environment is safe from harm, coefficient of friction is more stable, service life is longer.
It is described above, only it is embodiments of the invention, is not the limitation for making any other form to the present invention, and Any modification made according to embodiment proposed by the invention or equivalent variations, still fall within model claimed of the invention Enclose.

Claims (5)

1. one kind is without asbestos low metal automotive friction material, it is characterised in that:Including following percentage by weight raw material composition:Enhancing Material 45% ~ 50%, binding agent 20% ~ 25%, filler 15% ~ 28%, auxiliary additive 1% ~ 5%, the reinforcing material is multiple including glass Close yarn, core yarn, aramid fiber core spun yarn, polypropylene fibre and ceramic fibre.
2. one kind is without asbestos low metal automotive friction material according to claim 1, it is characterised in that:The reinforcing material bag Include the raw material composition of following percentage by weight:Glass composite yarn 0 ~ 45%, core yarn 0 ~ 35%, aramid fiber core spun yarn 0 ~ 40%, poly- third Alkene fiber 1% ~ 5%, ceramic fibre 3 ~ 8%.
3. one kind is without asbestos low metal automotive friction material according to claim 1, it is characterised in that:The binding agent includes The raw material composition of following percentage by weight:Phenol-formaldehyde resin modified 10% ~ 12%, butadiene-styrene rubber 10 ~ 13%.
4. one kind is without asbestos low metal automotive friction material according to claim 1, it is characterised in that:The filler include with The raw material composition of lower percentage by weight:Sulphur 5% ~ 6%, zinc oxide 5% ~ 6%, barium sulfate 1% ~ 2%, graphite 2% ~ 5%, diatomite 1% ~ 2%, carbon black 0 ~ 5%, mica powder 1% ~ 3%, acicular wollastonite 1% ~ 3%, iron oxide 0 ~ 1.5%.
5. a kind of preparation method without asbestos low metal automotive friction material according to claim 1 ~ 4, it is characterised in that:Bag Include following steps:
A, by above-mentioned percentage by weight weigh required raw material, then by each raw material be put into stirring mixing 20 in batch mixer ~ 30min;
B, the material mixed be put into hot forming machine carry out hot forming, in hot pressing temperature control 150 DEG C ~ 200 DEG C, Stress control is in 10 ~ 25MPa, and the press time is 5 ~ 10min;
C, compressing product is put into baking box, first by 135 DEG C ~ 150 DEG C of temperature, is incubated 1.5 ~ 2h, then temperature is risen to 180 DEG C ~ 220 DEG C, 1 ~ 1.5h is incubated, room temperature is finally cooled to;
D, by the product of cooling pass through grinding, spray painting processing and annex assembly process, you can to required friction material.
CN201710708838.XA 2017-08-17 2017-08-17 One kind is without asbestos low metal automotive friction material Pending CN107254295A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201710708838.XA CN107254295A (en) 2017-08-17 2017-08-17 One kind is without asbestos low metal automotive friction material

Publications (1)

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CN107254295A true CN107254295A (en) 2017-10-17

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1203326A (en) * 1997-06-20 1998-12-30 宋勤正 Asbestos-free friction material and producing method thereof
CN106084646A (en) * 2016-06-28 2016-11-09 东台市华阳玻纤有限责任公司 A kind of basalt fibre friction material and preparation method thereof
CN107504106A (en) * 2017-07-12 2017-12-22 苏州翠南电子科技有限公司 One kind is without asbestos low metal automotive friction material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1203326A (en) * 1997-06-20 1998-12-30 宋勤正 Asbestos-free friction material and producing method thereof
CN106084646A (en) * 2016-06-28 2016-11-09 东台市华阳玻纤有限责任公司 A kind of basalt fibre friction material and preparation method thereof
CN107504106A (en) * 2017-07-12 2017-12-22 苏州翠南电子科技有限公司 One kind is without asbestos low metal automotive friction material

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Application publication date: 20171017

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