CN101838518B - Heavy-duty vehicle disc brake pad and manufacturing process thereof - Google Patents
Heavy-duty vehicle disc brake pad and manufacturing process thereof Download PDFInfo
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- CN101838518B CN101838518B CN201010193120XA CN201010193120A CN101838518B CN 101838518 B CN101838518 B CN 101838518B CN 201010193120X A CN201010193120X A CN 201010193120XA CN 201010193120 A CN201010193120 A CN 201010193120A CN 101838518 B CN101838518 B CN 101838518B
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Abstract
The invention discloses a disc brake pad friction material, which is prepared from the following raw materials in percentage by weight: 12 to 17 percent of polyetheretherketone (PEEK) matrix, 6 to 12 percent of steel wool fiber, 4 to 8 percent of potassium titanate whisker, 8 to 16 percent of cashew nut shell powder, 4 to 6 percent of graphite, 4 to 6 percent of aluminum powder, 4 to 6 percent of antimony sulphide, 8 to 14 percent of barite, 4 to 6 percent of chromite fine powder, 8 to 14 percent of kaolin and/or fluorite and 6 to 8 percent of iron oxide red. In a manufacturing process, the polyetheretherketone of which the melting point is obviously higher than that of a normal resin is taken as a binder, and has the advantages of high temperature resistance, good self-lubricating property, corrosion resistance, flame retardant property, stripping resistance, radiation resistance, hydrolysis resistance and easy processing; and then a transfer film is formed on a friction surface in the brake process, and a cellular structure or a reticular structure that filler powder encircles the PEEK matrix is formed, so that the friction coefficient can be stabilized and the abrasion can be reduced through the formation of a surface film. The invention also discloses a disk brake pad and a manufacturing process thereof.
Description
Technical field
The present invention relates to the brake facing technical field, more particularly, relate to a kind of heavy-duty vehicle disc brake pad and ME thereof.
Background technology
Brake facing also is brake rubber block, is the breaking piece of most critical, and the quality of all braking effects all is that brake facing plays a decisive role.
Along with the development of heavy goods vehicles, this just requires its brake facing under the FL situation, to have better high-temperature stability, and the material configuration of heavy goods vehicles brake facing is to influence the high temperature resistant principal element with resistance to abrasion of brake facing.
Because heavy goods vehicles is bigger at full load inertia, so in the high-speed and continuous brake process, through regular meeting tangible heat fading takes place, the braking quality wild effect causes brake facing to be smoldered, on firely causes brake failure.Serious threat pedestrian and driver's safety.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of disc brake pad and ME thereof,, reduce the number of times that the heat fading phenomenon takes place heavy goods vehicles in continuous brake process to improve the resistance to elevated temperatures of brake facing.
For realizing above-mentioned purpose, the present invention provides following technical scheme:
A kind of heavy-duty vehicle disc brake pad, the material of this brake facing is processed by the raw material of following weight parts:
Matrix polyetheretherketone 12~17%;
Steel wool fiber 6~12%;
Potassium titanate crystal whisker 4~8%;
Cashew nut shell powder 8~16%;
Graphite 4~6%;
Aluminium powder 4~6%;
ANTIMONY SULPHIDE 4~6%;
Tiff 8~14%;
Smart chromite powder 4~6%;
Kaolin and/or fluorite 8~14%;
Iron oxide red 6~8%.
Preferably, in the above-mentioned heavy-duty vehicle disc brake pad, the material of this brake facing is processed by the raw material of following weight parts:
Matrix polyetheretherketone 14~16%;
Steel wool fiber 8~10%;
Potassium titanate crystal whisker 5~7%;
Cashew nut shell powder 10~14%;
Graphite 4~5%;
Aluminium powder 5~6%;
ANTIMONY SULPHIDE 4~5%;
Tiff 10~13%;
Smart chromite powder 4~5%;
Kaolin and/or fluorite 10~12%;
Iron oxide red 6~8%.
A kind of heavy-duty vehicle disc brake pad comprises:
The brake facing backboard;
With the brake block friction material according to claim 1 or claim 2 that is compressed on the said brake facing backboard.
A kind of preparation technology of heavy-duty vehicle disc brake pad comprises step:
Raw material is mixed, and takes by weighing the raw material of brake facing by proportioning, puts into mixer and is mixed and evenly becomes friction materials;
Hot-forming, pack into moulding press and brake facing backboard of above-mentioned friction materials is hot-forming, and wherein, temperature is 160 ℃-200 ℃, and system pressure is 14-18Mpa, and soaking time is 3~4min;
Solidification treatment is heat-treated baking to the brake facing of being processed in baking box.
Preferably, the preparation technology of above-mentioned disc brake pad, the storing temperature and the soaking time of said solidification treatment are respectively: 120 ℃ of insulation 5h, 150 ℃ of insulation 5h, 180 ℃ of insulation 5h, 200 ℃ of insulation 3h.
Preferably, the preparation technology of above-mentioned heavy-duty vehicle disc brake pad, also comprise step said before hot-forming: weighing according to the weight of the needed friction materials of pressed blocks lining, takes by weighing friction materials on electronic platform scale.
Can find out from above-mentioned technical scheme; The present invention adopt fusing point apparently higher than the polyetheretherketone of ordinary resin as sticker, it is high temperature resistant, superior, good, corrosion-resistant, fire-retardant, the anti-separability of self lubricity, radioresistance, insulativity are stable, hydrolysis and be prone to processing.Friction surface forms a kind of transfer film in braking procedure besides; Form filler powder and surround PEEK (Polyether Ether Ketone; Polyetheretherketone) cell structure of matrix or reticulated structure, the formation of this surface film can be stablized frictional coefficient and reduce wearing and tearing.
Embodiment
Heavy goods vehicles powder metallurgy brake flat provided by the invention, wherein, the material of this brake facing is processed by the raw material of following weight parts: matrix polyetheretherketone 12~17%, steel wool fiber 6~12%; Potassium titanate crystal whisker 4~8%, cashew nut shell powder 8~16%, graphite 4~6%; Aluminium powder 4~6%, ANTIMONY SULPHIDE 4~6%, tiff 8~14%; Smart chromite powder 4~6%, kaolin and/or fluorite 8~14%, iron oxide red 6~8%.
Main improvement of the present invention is embodied on the material choice and proportioning of brake facing.Adopt fusing point apparently higher than the polyetheretherketone of ordinary resin as sticker, it is high temperature resistant, superior, good, corrosion-resistant, fire-retardant, the anti-separability of self lubricity, radioresistance, insulativity are stable, hydrolysis and be prone to processing.Friction surface forms a kind of transfer film in braking procedure besides, forms cell structure or reticulated structure that filler powder is surrounded the PEEK matrix, and the formation of this surface film can be stablized frictional coefficient and reduced wearing and tearing.Stable friction factor is 0.415~0.504 measuring 100-400 ℃ the time under the bench testing machine, and heat fading is 4.76%, and it is restorative to have good heat.Wear rate is 0.310 * 10 in the time of 350 ℃
-7Cm
3(N.m)
-1Experimental result shows that this brake facing can satisfy heavy goods vehicles brake requirement in normal operation, can promote the use of.
The preparation technology of disc type friction plate provided by the invention comprises step:
Shear;
With roll bending uncoiling smoothing, be cut into the volume bar of sheet material or certain width.According to corresponding vehicle, the slat dimension of the brake facing of heavy goods vehicles regulation is for example selected the sheet material of suitable thickness, uses sheet shears to be cut into the lath of certain width.
Punching press;
According to corresponding vehicle, like the corresponding mould of heavy goods vehicles and the progressively operation of pressing equipment of suitable tonnage, go out the basic profile of brake facing steel plate, and make it the entrucking size and the planeness requirement that reach certain.
Oil removing;
Water base degreaser and water reach certain pH value (10~13) through certain ratio proportioning, at oil removal machine degreasing tank internal heating, after certain temperature (45~55 ℃), carry out the oil removing operation.The greasy dirt that steel backing causes in the last preface course of processing is removed.
Ball blast;
Use the track type shot-blasting machine, through shot with above the brake block steel back and jettisonings such as lateral rust staining, rust spot, burr.
Gluing;
Steel backing bonded adhesives and solvent after certain ratio cooperation, use glue-spraying machine that the liquid for preparing evenly is sprayed on the steel backing reverse side, and use air-dry back.Make steel backing and friction materials after the postorder compacting, reach certain shearing resistance requirement.
Batch mixing;
, pour the stirrer fragmentation into, and stir according to formulation ratio through automatic batching system or manual operations various starting material that the friction surface of brake facing is required.Friction materials that stirs and the steel backing that has been coated with glue send mold pressing procedure together, process the brake facing work in-process.
Hot pressing;
Mold pressing divides weighing and two steps of compacting to carry out.
Weighing: according to various raw materials and the weight that compacted products needs, weighing friction materials on electronic platform scale.The intact friction materials of weighing is put into check weighing on the checking weight weigh, and the friction materials that guarantees to use is in the weight range of " standard value ± 1g ".
Compacting: the pressing process system pressure according to regulation is 14-18Mpa, and soaking time is 3~4min, and temperature is 160 ℃-200 ℃, waits mould to be warmed up to and begins after the specialized range to produce.The operator notes all pouring friction materials into die cavity in the operating process, the matched moulds compacting; After arriving the time of process stipulation, the press automatic die sinking, the operator arrives transferred product in all rotating disks.
Baking;
According to curing process: 120 ℃ of insulation 5h, 150 ℃ of insulation 5h, 180 ℃ of insulation 5h; 200 ℃ of insulation 3h; In baking box, the brake facing of being processed is heat-treated baking, with friction materials more stable be fixed on the firm back of brake facing, further improve the frictional behaviour of friction materials.
Grinding;
Use modular grinding machine processing friction material surface, make friction material surface reach certain thickness, parallelism, planeness requirement; Use fluting, grind oblique machine, through slotted wheel saw blade or cup emery wheel, the surface of processing friction materials processes groove or inclined-plane.
Surface-conditioning;
Divide polishing and two steps of sandblast to carry out.On polishing machine,, clear up the peripheral burr of brake block steel back, flash, overlap etc. earlier through wire wheel; On sandblast machine, through brown corundum abrasive, the dirt above the cleaning brake block steel back, corrosion etc. are in order to guarantee the specification of quality of postorder processing again.
Spraying;
The product that surface-conditioning is intact, according to requirement of client, with the powder of different colours, different brightness cover above the brake block steel back, side and friction materials side.Product is through stoving oven, through states such as fusion, smooth and level, curing, reaches certain sticking power requirement.
Beat sign indicating number;
Use code jetting device and ink special, on the steel backing surface, vibration damping sheet is surperficial, or the friction materials side, the different clients' of spray printing different information, and the processing lot number of product are so that product reviewing after selling.
Installation accessories;
On brake block steel back, install and fix noise reduction, warning device.
Packing;
According to customer requirement, with the finished product brake facing, use sealing machine, thermal contraction machine, shrink back dress box through plastic uptake film vacuum.Or the use skin packaging machine, through fit film product and cardboard vacuum are pasted the jail.
Through after the above processes, the brake facing production that a cover is complete finishes, and can come into the market to use.
Below in conjunction with specific embodiment a kind of chemical nickel-plating stabilizer provided by the present invention and production technique, chemical nickel-plating solution and technology thereof are done further explain.
Embodiment 1:
12 kilograms of matrix polyetheretherketones, 6 kilograms of steel wool fibers, 4 kilograms of potassium titanate crystal whiskers, 8 kilograms in cashew nut shell powder, 4 kilograms in graphite, 4 kilograms of aluminium powders, 4 kilograms of ANTIMONY SULPHIDEs, 8 kilograms in tiff, 4 kilograms of smart chromite powders, 8 kilograms in kaolin and/or fluorite, 6 kilograms of iron oxide reds.Take by weighing the raw material of brake facing by said ratio, after putting into mixer and being mixed evenly, the moulding press of packing into is hot-forming, and wherein, system pressure is 16MPa, back pressure pressure 12MPa, and soaking time is 3min; 190 ℃ of moulding press patrixes, 195 ℃ of middle counterdies.Solidification treatment, 120 ℃ of insulation 5h, 150 ℃ of insulation 5h, 180 ℃ of insulation 5h obtain a kind of resistant to elevated temperatures heavy-duty vehicle disc brake pad behind 200 ℃ of insulation 3h.Stable friction factor is 0.415~0.504 measuring 100-400 ℃ the time under the bench testing machine, and heat fading is 4.76%, and it is restorative to have good heat.Wear rate is 0.310 * 10 in the time of 350 ℃
-7Cm
3(N.m)
-1Experimental result shows that this brake facing can satisfy heavy goods vehicles brake requirement in normal operation.
Embodiment 2:
17 kilograms of matrix polyetheretherketones, 12 kilograms of steel wool fibers, 8 kilograms of potassium titanate crystal whiskers, 16 kilograms in cashew nut shell powder, 6 kilograms in graphite, 6 kilograms of aluminium powders, 6 kilograms of ANTIMONY SULPHIDEs, 14 kilograms in tiff, 6 kilograms of smart chromite powders, 14 kilograms in kaolin and/or fluorite, 8 kilograms of iron oxide reds.Take by weighing the raw material of brake facing by said ratio, after putting into mixer and being mixed evenly, the moulding press of packing into is hot-forming, and wherein, system pressure is 14MPa, back pressure pressure 12MPa, and soaking time is 4min; 160 ℃ of moulding press patrixes, 165 ℃ of middle counterdies.110 ℃ * 6h of solidification treatment, 170 ℃ * 5h, obtains a kind of resistant to elevated temperatures heavy-duty vehicle disc brake pad by 140 ℃ * 3h behind the 210 ℃ * 2h.Stable friction factor is 0.410~0.514 measuring 100-400 ℃ the time under the bench testing machine, and heat fading is 4.66%, and it is restorative to have good heat.Wear rate is 0.320 * 10 in the time of 350 ℃
-7Cm
3(N.m)
-1Experimental result shows that this brake facing can satisfy heavy goods vehicles brake requirement in normal operation.
Embodiment 3:
15 kilograms of matrix polyetheretherketones, 10 kilograms of steel wool fibers, 6 kilograms of potassium titanate crystal whiskers, 12 kilograms in cashew nut shell powder, 5 kilograms in graphite, 6 kilograms of aluminium powders, 4 kilograms of ANTIMONY SULPHIDEs, 10 kilograms in tiff, 5 kilograms of smart chromite powders, 10 kilograms in kaolin and/or fluorite, 7 kilograms of iron oxide reds.Take by weighing the raw material of brake facing by said ratio, after putting into mixer and being mixed evenly, the moulding press of packing into is hot-forming, and wherein, system pressure is 18MPa, back pressure pressure 12MPa, and soaking time is 3.5min; 180 ℃ of moulding press patrixes, 185 ℃ of middle counterdies.120 ℃ * 6h of solidification treatment, 170 ℃ * 3h, obtains a kind of resistant to elevated temperatures heavy-duty vehicle disc brake pad by 160 ℃ * 4h behind the 200 ℃ * 3h.Stable friction factor is 0.455~0.504 measuring 100-400 ℃ the time under the bench testing machine, and heat fading is 4.36%, and it is restorative to have good heat.Wear rate is 0.3 * 10 in the time of 350 ℃
-7Cm
3(N.m)
-1Experimental result shows that this brake facing can satisfy heavy goods vehicles brake requirement in normal operation.
Embodiment 4:
16 kilograms of matrix polyetheretherketones, 8 kilograms of steel wool fibers, 7 kilograms of potassium titanate crystal whiskers, 14 kilograms in cashew nut shell powder, 6 kilograms in graphite, 4 kilograms of aluminium powders, 5 kilograms of ANTIMONY SULPHIDEs, 11 kilograms in tiff, 6 kilograms of smart chromite powders, 12 kilograms in kaolin and/or fluorite, 8 kilograms of iron oxide reds.Take by weighing the raw material of brake facing by said ratio, after putting into mixer and being mixed evenly, the moulding press of packing into is hot-forming, and wherein, system pressure is 17MPa, back pressure pressure 12MPa, and soaking time is 3.4min; 195 ℃ of moulding press patrixes, 200 ℃ of middle counterdies.120 ℃ * 5h of solidification treatment, 180 ℃ * 5h, obtains a kind of resistant to elevated temperatures heavy-duty vehicle disc brake pad by 150 ℃ * 5h behind the 200 ℃ * 3h.Stable friction factor is 0.465~0.5 measuring 100-400 ℃ the time under the bench testing machine, and heat fading is 4.16%, and it is restorative to have good heat.Wear rate is 0.308 * 10 in the time of 350 ℃
-7Cm
3(N.m)
-1Experimental result shows that this brake facing can satisfy heavy goods vehicles brake requirement in normal operation.
Embodiment 5:
17 kilograms of matrix polyetheretherketones, 11 kilograms of steel wool fibers, 5 kilograms of potassium titanate crystal whiskers, 15 kilograms in cashew nut shell powder; 4.5 kilograms in graphite, 4.8 kilograms of aluminium powders, 5.5 kilograms of ANTIMONY SULPHIDEs, 13 kilograms in tiff; 4.8 kilograms of smart chromite powders, 13 kilograms in kaolin and/or fluorite, 7.8 kilograms of iron oxide reds.Take by weighing the raw material of brake facing by said ratio, after putting into mixer and being mixed evenly, the moulding press of packing into is hot-forming, and wherein, system pressure is 16.5MPa, back pressure pressure 12MPa, and soaking time is 3.7min; 185 ℃ of moulding press patrixes, 190 ℃ of middle counterdies.120 ℃ * 4.5h of solidification treatment, 180 ℃ * 4.5h, obtains a kind of resistant to elevated temperatures heavy-duty vehicle disc brake pad by 150 ℃ * 5.h behind the 200 ℃ * 3.5h.Stable friction factor is 0.455~0.5 measuring 100-400 ℃ the time under the bench testing machine, and heat fading is 4.56%, and it is restorative to have good heat.Wear rate is 0.302 * 10 in the time of 350 ℃
-7Cm
3(N.m)
-1Experimental result shows that this brake facing can satisfy heavy goods vehicles brake requirement in normal operation.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (5)
2. a heavy-duty vehicle disc brake pad is characterized in that, comprising:
The brake facing backboard;
With the brake block friction material as claimed in claim 1 that is compressed on the said brake facing backboard.
3. the preparation technology of a heavy-duty vehicle disc brake pad is characterized in that, comprises step:
Raw material is mixed, and takes by weighing the raw material of brake block friction material as claimed in claim 1 by proportioning, puts into mixer and is mixed and evenly becomes friction materials;
Hot-forming, it is hot-forming that above-mentioned friction materials and brake facing backboard are sent into moulding press together, and wherein, temperature is 160 ℃-200 ℃, and system pressure is 14-18MPa, and soaking time is 3 ~ 4min;
Solidification treatment is heat-treated baking to the brake facing of being processed in baking box.
4. the preparation technology of heavy-duty vehicle disc brake pad according to claim 3 is characterized in that, the storing temperature and the soaking time of said solidification treatment are respectively: 120 ℃ of insulation 5h, 150 ℃ of insulation 5h, 180 ℃ of insulation 5h, 200 ℃ of insulation 3h.
5. the preparation technology of heavy-duty vehicle disc brake pad according to claim 3 is characterized in that, also comprise step said before hot-forming: weighing according to the weight of the needed friction materials of pressed blocks lining, takes by weighing friction materials on electronic platform scale.
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CN102705410B (en) * | 2012-06-15 | 2014-12-24 | 株洲时代新材料科技股份有限公司 | Composite friction plate and preparation method thereof |
CN102977600B (en) * | 2012-11-23 | 2015-03-11 | 山东金麒麟股份有限公司 | Disc type brake friction material, disc type brake and disc type brake manufacturing process |
CN103644232B (en) * | 2013-12-25 | 2016-02-10 | 重庆红宇摩擦制品有限公司 | The friction material formulation of wriggling noise can be reduced |
CN105387105A (en) * | 2015-12-08 | 2016-03-09 | 安徽创新电磁离合器有限公司 | Friction block composite material high in friction coefficient for automobile brake pad |
CN105440567A (en) * | 2015-12-08 | 2016-03-30 | 安徽创新电磁离合器有限公司 | Brake pad with good braking effect and manufacturing method thereof |
CN106433020B (en) * | 2016-09-12 | 2018-11-23 | 中国科学院兰州化学物理研究所 | A kind of binary environmental protection polyether-ether-ketone base brake pad material and preparation method thereof |
CN109372905A (en) * | 2018-10-25 | 2019-02-22 | 宜宾天原集团股份有限公司 | A kind of full face rock tunnel boring machine driving clutch friction plate and preparation method thereof |
CN112228484A (en) * | 2020-10-14 | 2021-01-15 | 湖北飞龙摩擦密封材料股份有限公司 | Environment-friendly friction material and preparation method and application thereof |
CN113883191A (en) * | 2021-09-24 | 2022-01-04 | 山东金麒麟股份有限公司 | Method for improving loading strength of disc brake pad and brake pad |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1128845A (en) * | 1995-09-18 | 1996-08-14 | 林作仁 | Semimetal brake lining and method for producing same |
CN1847290A (en) * | 2006-04-12 | 2006-10-18 | 福州大学 | Whisker reinforced resin-base composite friction material and its prepn process |
CN101550976A (en) * | 2009-05-22 | 2009-10-07 | 莱州鲁达刹车片有限公司 | Environment-friendly ceramic brake and manufacturing technique thereof |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070219289A1 (en) * | 2006-03-15 | 2007-09-20 | Federal-Mogul World Wide, Inc. | Friction Material |
-
2010
- 2010-05-31 CN CN201010193120XA patent/CN101838518B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1128845A (en) * | 1995-09-18 | 1996-08-14 | 林作仁 | Semimetal brake lining and method for producing same |
CN1847290A (en) * | 2006-04-12 | 2006-10-18 | 福州大学 | Whisker reinforced resin-base composite friction material and its prepn process |
CN101550976A (en) * | 2009-05-22 | 2009-10-07 | 莱州鲁达刹车片有限公司 | Environment-friendly ceramic brake and manufacturing technique thereof |
Non-Patent Citations (2)
Title |
---|
刘爱萍等.不锈钢纤维/碳纤维混杂增强聚醚醚酮基摩擦材料的制备与性能.《机械工程材料》.2007,第31卷(第2期),36-39. * |
章少阳等.半金属盘式刹车材料的试验研究.《摩擦学学报》.2009,第29卷(第2期),186-192. * |
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Address after: Fu Le road 253600 Shandong city in Dezhou Province, Leling City, No. 999 Patentee after: Shandong Gold Phoenix Co., Ltd. Address before: 253600 Shandong city of Dezhou province Leling City jujube No. 84 North Main Street Patentee before: Shandong Gold Phoenix Group Co., Ltd. |