CN112555308A - Friction material with reduced inertia and friction lining - Google Patents
Friction material with reduced inertia and friction lining Download PDFInfo
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- CN112555308A CN112555308A CN202011267087.0A CN202011267087A CN112555308A CN 112555308 A CN112555308 A CN 112555308A CN 202011267087 A CN202011267087 A CN 202011267087A CN 112555308 A CN112555308 A CN 112555308A
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- friction
- friction lining
- reduced inertia
- fibers
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- 239000002783 friction material Substances 0.000 title claims abstract description 52
- 239000000835 fiber Substances 0.000 claims abstract description 37
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 28
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 27
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 23
- 239000004917 carbon fiber Substances 0.000 claims abstract description 23
- 239000002245 particle Substances 0.000 claims abstract description 23
- 239000003607 modifier Substances 0.000 claims abstract description 20
- 239000000945 filler Substances 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 7
- 230000008093 supporting effect Effects 0.000 claims description 45
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 229910052580 B4C Inorganic materials 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- HEHRHMRHPUNLIR-UHFFFAOYSA-N aluminum;hydroxy-[hydroxy(oxo)silyl]oxy-oxosilane;lithium Chemical compound [Li].[Al].O[Si](=O)O[Si](O)=O.O[Si](=O)O[Si](O)=O HEHRHMRHPUNLIR-UHFFFAOYSA-N 0.000 claims description 6
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 229910052878 cordierite Inorganic materials 0.000 claims description 6
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910052670 petalite Inorganic materials 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 229910052851 sillimanite Inorganic materials 0.000 claims description 6
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229910052845 zircon Inorganic materials 0.000 claims description 6
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 239000005909 Kieselgur Substances 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical class [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052627 muscovite Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
Images
Classifications
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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
- F16D69/023—Composite materials containing carbon and carbon fibres or fibres made of carbonizable material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
- C08L29/02—Homopolymers or copolymers of unsaturated alcohols
- C08L29/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- 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
- F16D69/04—Attachment of linings
- F16D69/0408—Attachment of linings specially adapted for plane linings
-
- 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
- F16D2069/002—Combination of different friction materials
-
- 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
- F16D2200/0034—Materials; Production methods therefor non-metallic
- F16D2200/0052—Carbon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Composite Materials (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a friction material with reduced inertia, which comprises a base material, wherein the base material comprises; structural carbon fibers in an amount of 20 to 80% by weight based on the total weight of the base material, and a filler in an amount of 20 to 80% by weight based on the total weight of the base material; friction particles and friction modifiers; polyvinyl alcohol fibers other than the structural carbon fibers, and a resin disposed throughout the friction material; the friction material ensures the friction coefficient during high-temperature and high-load braking, effectively reduces the inertia of the friction material during use, improves the wear resistance, and inhibits the adhesion to an opposite material at high temperature.
Description
Technical Field
The invention relates to the technical field of friction linings, in particular to a friction material capable of reducing inertia and a friction lining.
Background
Friction material is a component material that is used in power machines to perform braking and transmission functions by friction. It mainly comprises a brake lining (brake pad) and a clutch lining (clutch plate). The brake plate is used for braking, and the clutch plate is used for transmission. Any mechanical equipment and moving vehicles must have brakes or transmissions. Friction materials are critical components on such brakes or transmissions. Its primary function is to absorb or transmit power by friction. For example, the clutch plate transmits power, and the brake plate absorbs kinetic energy. They enable the safe and reliable operation of machinery and various motor vehicles. Therefore, the friction material is a widely used and very critical material.
Patent No. CN201380062609.5 discloses a friction material which contains neither any copper component nor metal fibers, and has stable friction properties and excellent wear resistance and is less prone to attack matching materials. The present invention relates to a friction material containing neither metal fibers nor copper components. The friction material comprises 10-35 vol% of potassium titanate having a plurality of convex shapes, 3-10 vol% of an abrasive material having a Mohs hardness of 7 or more, and 10-30 vol% of an elastomer-modified phenolic resin.
Patent No. 201480061766.9 discloses a friction material composition and a friction material for friction materials such as disc brake pads and drum brake pads of brake devices for vehicles, which does not contain copper or copper-containing metal, improves wear resistance during high-temperature braking, and improves noise resistance and effectiveness of brakes in a wide range of models. Also provided are friction material compositions: comprising a fibrous base material, a friction modifier and a binder; has a copper content of 0.5 mass% or less; and comprises partially graphitized coke and muscovite. The friction material is obtained by molding the friction material composition.
In the conventional friction material and friction lining, in addition to reliable operation, sufficient operation characteristics are required even in a small size, and a material having a high coefficient of dynamic friction is desired as a friction material for a sliding friction material and a friction lining, and the friction effect is not good due to excessive inertia occurring in use.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a friction material and a friction lining with reduced inertia.
In order to achieve the purpose, the invention adopts the following technical scheme:
a friction material having reduced inertia comprising a base stock comprising; structural carbon fibers in an amount of 20 to 80% by weight based on the total weight of the base material, and a filler in an amount of 20 to 80% by weight based on the total weight of the base material; friction particles and friction modifiers; polyvinyl alcohol fibers other than the structural carbon fibers, and a resin disposed throughout the friction material, the polyvinyl alcohol fibers being combined with the structural fibers and the friction particles in the presence of water, and the polyvinyl alcohol fibers dissolving and binding the structural carbon fibers and the friction particles such that the friction material has an average pore size of about 5 to about 100 μm and/or a density of about 0.4 to about 1.5g/cm 3.
Further, the polyvinyl alcohol fibers have an average diameter of about 3 to about 10 μm and an average length of less than about 4 mm.
Further, the friction modifier includes elastomer particles.
Further, the friction modifier includes diatomaceous earth.
Further, the friction modifier includes silica, carbon, graphite, alumina, calcium oxide, titania, zirconia, cordierite, sillimanite, petalite, zircon, silicon carbide, titanium carbide, boron carbide, silicon nitride, titanium boride, and combinations thereof.
Further, the friction modifier includes silica, carbon, graphite, cordierite, sillimanite, petalite, zircon, silicon carbide, titanium carbide, boron carbide, titanium boride, and combinations thereof.
The friction lining with the function of reducing inertia comprises a friction lining main body, wherein friction lining anti-slip layers are arranged on the upper side and the lower side of the friction lining main body, splicing clamping plates are arranged at two ends of each friction lining anti-slip layer, clamping grooves are formed in the inner sides of the splicing clamping plates, and the friction lining main body is spliced with the splicing clamping plates through the clamping grooves.
Furthermore, a first supporting rib plate and a second supporting rib plate are arranged on the inner side of the clamping groove, and two sides of the first supporting rib plate and the second supporting rib plate are respectively clung to the inner walls of the splicing clamping plate and the clamping groove.
Furthermore, the cross sections of the first supporting rib plate and the second supporting rib plate are U-shaped, and the first supporting rib plate and the second supporting rib plate are supported in a crossed mode.
Further, a friction lining lightening cavity is provided inside the friction lining main body, and the friction lining lightening cavity penetrates both ends of the friction lining main body.
The invention has the beneficial effects that:
1. the friction material ensures the friction coefficient during high-temperature and high-load braking, effectively reduces the inertia of the friction material during use, improves the wear resistance, and inhibits the adhesion to an opposite material at high temperature.
2. The presence of carbon fibers helps to increase thermal resistance, maintain a stable coefficient of friction and increase screech resistance. The carbon fibers can provide good heat conduction, so that the friction material has the required heat resistance; the use of carbon fibers in other embodiments improves the ability of the friction material to withstand high temperatures.
3. Splice through the block groove with the concatenation cardboard between to the friction lining main part when using, it is more convenient to make the friction lining main part connect when using, and supports each other through first support gusset and the second support gusset in the block groove, can carry out certain buffering when friction lining main part atress to avoid the friction lining main part to appear damaging.
Drawings
FIG. 1 is a schematic illustration of a friction lining construction having a reduced inertia friction material and a friction lining according to the present invention;
FIG. 2 is a schematic view of the structure of the engagement groove of the friction material and the friction lining with reduced inertia according to the present invention.
In the figure: the friction lining comprises a friction lining main body 1, a friction lining lightening cavity 2, a friction lining anti-slip layer 3, a clamping groove 4, a splicing clamping plate 5, a first supporting rib plate 6 and a second supporting rib plate 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
Referring also to FIGS. 1-2, a friction material having reduced inertia includes a base material including; structural carbon fibers in an amount of 30% by weight based on the total weight of the base material, and a filler in an amount of 20% by weight based on the total weight of the base material; friction particles and friction modifiers; polyvinyl alcohol fibers other than the structural carbon fibers, and a resin disposed throughout the friction material, the polyvinyl alcohol fibers being combined with the structural fibers and the friction particles in the presence of water, and the polyvinyl alcohol fibers dissolving and binding the structural carbon fibers and the friction particles such that the friction material has an average pore size of about 5 to about 100 μm and/or a density of about 0.4 to about 1.5g/cm 3.
Further, the polyvinyl alcohol fibers have an average diameter of about 3 to about 10 μm and an average length of less than about 4mm, enhancing the effectiveness of the polyvinyl alcohol fibers when in use.
Further, the friction modifier includes elastomer particles, improves anti-shudder characteristics, and improves elasticity, compressibility, and porosity.
Please refer to fig. 1-2 simultaneously, a friction lining with reduced inertia, includes a friction lining main body 1, the upper and lower sides of the friction lining main body 1 are provided with friction lining anti-slip layers 3, so that the friction effect of the friction lining main body 1 is better when in use, the two ends of the friction lining anti-slip layers 3 are provided with splicing clamping plates 5, the inner side of the splicing clamping plates 5 is provided with clamping grooves 4, the friction lining main body 1 is spliced with the splicing clamping plates 5 through the clamping grooves 4, and the friction lining is more stable and convenient when being assembled and installed.
Furthermore, a first supporting rib plate 6 and a second supporting rib plate 7 are arranged on the inner side of the clamping groove 4, two sides of the first supporting rib plate 6 and two sides of the second supporting rib plate 7 are respectively attached to the inner walls of the splicing clamping plate 5 and the clamping groove 4, and the splicing clamping plate 5 and the clamping groove 4 are more stable when being clamped with each other through the support and elasticity of the first supporting rib plate 6 and the second supporting rib plate 7.
Further, the cross-sectional shapes of the first supporting rib plate 6 and the second supporting rib plate 7 are set to be U-shaped, and the first supporting rib plate 6 and the second supporting rib plate 7 are supported in an intersecting manner, so that the first supporting rib plate 6 and the second supporting rib plate 7 are supported by each other, and the supporting and buffering effects are better.
Further, the friction lining lightening cavities 2 are provided inside the friction lining main body 1, and the friction lining lightening cavities 2 penetrate through both ends of the friction lining main body 1, so that the use of the friction lining main body 1 is not affected while the friction lining main body 1 is lightened.
Example 2
Referring also to FIGS. 1-2, a friction material having reduced inertia includes a base material including; structural carbon fibers in an amount of 30% by weight based on the total weight of the base material, and a filler in an amount of 30% by weight based on the total weight of the base material; friction particles and friction modifiers; polyvinyl alcohol fibers other than the structural carbon fibers, and a resin disposed throughout the friction material, the polyvinyl alcohol fibers being combined with the structural fibers and the friction particles in the presence of water, and the polyvinyl alcohol fibers dissolving and binding the structural carbon fibers and the friction particles such that the friction material has an average pore size of about 5 to about 100 μm and/or a density of about 0.4 to about 1.5g/cm 3.
Further, the polyvinyl alcohol fiber has an average diameter of about 3 to about 10 μm and an average length of less than about 4mm, ensuring the use effect of the polyvinyl alcohol fiber.
Further, the friction modifier includes diatomaceous earth, which is an inexpensive abrasive material having a high coefficient of friction.
Please refer to fig. 1-2 simultaneously, a friction lining with reduced inertia, includes a friction lining main body 1, the upper and lower sides of the friction lining main body 1 are provided with friction lining anti-slip layers 3, so that the friction effect of the friction lining main body 1 is better when in use, the two ends of the friction lining anti-slip layers 3 are provided with splicing clamping plates 5, the inner side of the splicing clamping plates 5 is provided with clamping grooves 4, the friction lining main body 1 is spliced with the splicing clamping plates 5 through the clamping grooves 4, and the friction lining is more stable and convenient when being assembled and installed.
Furthermore, a first supporting rib plate 6 and a second supporting rib plate 7 are arranged on the inner side of the clamping groove 4, two sides of the first supporting rib plate 6 and two sides of the second supporting rib plate 7 are respectively attached to the inner walls of the splicing clamping plate 5 and the clamping groove 4, and the splicing clamping plate 5 and the clamping groove 4 are more stable when being clamped with each other through the support and elasticity of the first supporting rib plate 6 and the second supporting rib plate 7.
Example 3
Referring also to FIGS. 1-2, a friction material having reduced inertia includes a base material including; structural carbon fibers in an amount of 50% by weight based on the total weight of the base material, and a filler in an amount of 30% by weight based on the total weight of the base material; friction particles and friction modifiers; polyvinyl alcohol fibers other than the structural carbon fibers, and a resin disposed throughout the friction material, the polyvinyl alcohol fibers being combined with the structural fibers and the friction particles in the presence of water, and the polyvinyl alcohol fibers dissolving and binding the structural carbon fibers and the friction particles such that the friction material has an average pore size of about 5 to about 100 μm and/or a density of about 0.4 to about 1.5g/cm 3.
Further, the polyvinyl alcohol fibers have an average diameter of about 3 to about 10 μm and an average length of less than about 4mm, making the polyvinyl alcohol fibers more stable in use.
Further, the friction modifier includes silica, carbon, graphite, alumina, calcium oxide, titania, zirconia, cordierite, sillimanite, petalite, zircon, silicon carbide, titanium carbide, boron carbide, silicon nitride, titanium boride and combinations thereof, and the silica particles are inexpensive organic materials and can be strongly bonded to the fibers.
Please refer to fig. 1-2 simultaneously, a friction lining with reduced inertia, includes a friction lining main body 1, the upper and lower sides of the friction lining main body 1 are provided with friction lining anti-slip layers 3, so that the friction effect of the friction lining main body 1 is better when in use, the two ends of the friction lining anti-slip layers 3 are provided with splicing clamping plates 5, the inner side of the splicing clamping plates 5 is provided with clamping grooves 4, the friction lining main body 1 is spliced with the splicing clamping plates 5 through the clamping grooves 4, and the friction lining is more stable and convenient when being assembled and installed.
Furthermore, a first supporting rib plate 6 and a second supporting rib plate 7 are arranged on the inner side of the clamping groove 4, two sides of the first supporting rib plate 6 and two sides of the second supporting rib plate 7 are respectively attached to the inner walls of the splicing clamping plate 5 and the clamping groove 4, and the splicing clamping plate 5 and the clamping groove 4 are more stable when being clamped with each other through the support and elasticity of the first supporting rib plate 6 and the second supporting rib plate 7.
Example 4
Referring also to FIGS. 1-2, a friction material having reduced inertia includes a base material including; structural carbon fibers in an amount of 60% by weight based on the total weight of the base material, and a filler in an amount of 20% by weight based on the total weight of the base material; friction particles and friction modifiers; polyvinyl alcohol fibers other than the structural carbon fibers, and a resin disposed throughout the friction material, the polyvinyl alcohol fibers being combined with the structural fibers and the friction particles in the presence of water, and the polyvinyl alcohol fibers dissolving and binding the structural carbon fibers and the friction particles such that the friction material has an average pore size of about 5 to about 100 μm and/or a density of about 0.4 to about 1.5g/cm 3.
Further, the polyvinyl alcohol fibers have an average diameter of about 3 to about 10 μm and an average length of less than about 4 mm.
Further, friction modifiers including silica, carbon, graphite, cordierite, sillimanite, petalite, zircon, silicon carbide, titanium carbide, boron carbide, titanium boride and combinations thereof, in particulate form, may be achieved by using a range and size of particles from 0.5 to 80 microns to achieve the optimum three-dimensional structure.
Please refer to fig. 1-2 simultaneously, a friction lining with reduced inertia, includes a friction lining main body 1, the upper and lower sides of the friction lining main body 1 are provided with friction lining anti-slip layers 3, so that the friction effect of the friction lining main body 1 is better when in use, the two ends of the friction lining anti-slip layers 3 are provided with splicing clamping plates 5, the inner side of the splicing clamping plates 5 is provided with clamping grooves 4, the friction lining main body 1 is spliced with the splicing clamping plates 5 through the clamping grooves 4, and the friction lining is more stable and convenient when being assembled and installed.
Furthermore, a first supporting rib plate 6 and a second supporting rib plate 7 are arranged on the inner side of the clamping groove 4, two sides of the first supporting rib plate 6 and two sides of the second supporting rib plate 7 are respectively attached to the inner walls of the splicing clamping plate 5 and the clamping groove 4, and the splicing clamping plate 5 and the clamping groove 4 are more stable when being clamped with each other through the support and elasticity of the first supporting rib plate 6 and the second supporting rib plate 7.
The working principle is as follows: during the use, splice the block through the block groove 4 and splice cardboard 5 between to friction lining main part 1, then install in the position of using, and support through 4 inboard first support gusset 6 and the mutual block of second support gusset 7 when the installation, promote the extrusion to the concatenation between 1, thereby friction lining main part 1 atress can cushion through first support gusset 6 and second support gusset 7 when using, and make friction lining main part 1 more stable when using the installation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A friction material having reduced inertia comprising a base stock, the base stock comprising; structural carbon fibers in an amount of 20 to 80% by weight based on the total weight of the base material, and a filler in an amount of 20 to 80% by weight based on the total weight of the base material; friction particles and friction modifiers; polyvinyl alcohol fibers other than the structural carbon fibers, and a resin disposed throughout the friction material, the polyvinyl alcohol fibers being combined with the structural fibers and the friction particles in the presence of water, and the polyvinyl alcohol fibers dissolving and binding the structural carbon fibers and the friction particles such that the friction material has an average pore size of about 5 to about 100 μm and/or a density of about 0.4 to about 1.5g/cm 3.
2. The friction material having reduced inertia of claim 1, wherein the polyvinyl alcohol fibers have an average diameter of about 3 to about 10 μm and an average length of less than about 4 mm.
3. A friction material having reduced inertia as set forth in claim 1, wherein said friction modifier includes elastomer particles.
4. A friction material having reduced inertia as set forth in claim 1 wherein said friction modifier comprises diatomaceous earth.
5. A friction material having reduced inertia as set forth in claim 1, wherein the friction modifier comprises silica, carbon, graphite, alumina, calcium oxide, titania, zirconia, cordierite, sillimanite, petalite, zircon, silicon carbide, titanium carbide, boron carbide, silicon nitride, titanium boride and combinations thereof.
6. A friction material having reduced inertia as set forth in claim 1, wherein the friction modifier comprises silica, carbon, graphite, cordierite, sillimanite, petalite, zircon, silicon carbide, titanium carbide, boron carbide, titanium boride and combinations thereof.
7. A friction lining with reduced inertia according to claims 1 to 6, comprising a friction lining main body (1), wherein the friction lining main body (1) is provided with friction lining anti-slip layers (3) on the upper and lower sides, the two ends of the friction lining anti-slip layers (3) are provided with splicing clamping plates (5), the inner sides of the splicing clamping plates (5) are provided with clamping grooves (4), and the friction lining main body (1) is spliced with the splicing clamping plates (5) through the clamping grooves (4).
8. The friction lining with reduced inertia according to claim 7, wherein the inner side of the clamping groove (4) is provided with a first supporting rib (6) and a second supporting rib (7), and two sides of the first supporting rib (6) and the second supporting rib (7) are respectively attached to the inner walls of the splicing clamping plate (5) and the clamping groove (4).
9. A friction lining with reduced inertia according to claim 8, characterized in that the cross-sectional shapes of the first support rib (6) and the second support rib (7) are U-shaped, and the first support rib (6) and the second support rib (7) are supported across each other.
10. A friction lining with reduced inertia according to claim 7, characterized in that the inner side of the friction lining body (1) is provided with a friction lining lightening cavity (2) and the friction lining lightening cavity (2) penetrates both ends of the friction lining body (1).
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| CN202011267087.0A CN112555308A (en) | 2020-11-13 | 2020-11-13 | Friction material with reduced inertia and friction lining |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011267087.0A CN112555308A (en) | 2020-11-13 | 2020-11-13 | Friction material with reduced inertia and friction lining |
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| CN112555308A true CN112555308A (en) | 2021-03-26 |
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