DE3832199A1 - Brake linings - Google Patents
Brake liningsInfo
- Publication number
- DE3832199A1 DE3832199A1 DE3832199A DE3832199A DE3832199A1 DE 3832199 A1 DE3832199 A1 DE 3832199A1 DE 3832199 A DE3832199 A DE 3832199A DE 3832199 A DE3832199 A DE 3832199A DE 3832199 A1 DE3832199 A1 DE 3832199A1
- Authority
- DE
- Germany
- Prior art keywords
- brake
- friction surface
- coating
- brake disc
- hardness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000576 coating method Methods 0.000 claims abstract description 23
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 6
- 239000000919 ceramic Substances 0.000 claims abstract description 5
- 239000002783 friction material Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 238000007790 scraping Methods 0.000 claims description 2
- 238000007751 thermal spraying Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 5
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 235000015243 ice cream Nutrition 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
-
- 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
- F16D65/00—Parts or details
- F16D65/0037—Devices for conditioning friction surfaces, e.g. cleaning or abrasive elements
-
- 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
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
-
- 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
-
- 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
-
- 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
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D2069/004—Profiled friction surfaces, e.g. grooves, dimples
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Braking Arrangements (AREA)
Abstract
Description
Die Erfindung betrifft Bremsbeläge mit organischer und/oder mineralischer Bindung und zusätzlicher Ausrüstung zur Zer störung unerwünschter, die Reibung vermindernder Schichten auf der Reibfläche der Bremsscheibe einer Teilbelagscheibenbremse, wobei die Schicht auf der Reibfläche der Bremsscheibe durch ein auf der Bremsbacke angeordnetes Schabeblech entfernt wird.The invention relates to brake pads with organic and / or mineral bond and additional equipment for cer disturbance of undesirable layers that reduce friction on the friction surface of the brake disc of a partial brake disc brake, the layer passing through on the friction surface of the brake disc a scraping plate arranged on the brake shoe is removed.
Aus der DE-OS 19 34 509 ist bekannt, an den beiden etwa tan gential liegenden Enden der Bremsbacke Bleche anzuordnen, welche sich unter einem Winkel auf der Reibfläche der Brems scheibe abstützen. Mit diesen Blechen soll eine Art Aquaplaning zwischen Bremsbelag und Reibfläche der Bremsscheibe verhindert werden, was eine sichere und gleichmäßige Bremswirkung ergibt. Grundsätzlich wäre denkbar, daß mit diesen Blechen auch ein Eis belag auf der Bremsscheibe entfernt werden kann. Der Nachteil liegt aber darin, daß einerseits der Aufwand für das Anbringen der Schabebleche zu groß ist und andererseits auch deswegen, weil die Schabebleche nicht mit absoluter Sicherheit immer und zu jeder Zeit an der Bremsscheibe anliegen, was wieder zu Un sicherheiten beim Bremsen führt.From DE-OS 19 34 509 it is known to tan about the two arrange the potential lying ends of the brake shoe plates, which is at an angle on the friction surface of the brake support the washer. With these sheets a kind of aquaplaning is said between the brake pad and the friction surface of the brake disc prevented become what gives a safe and even braking effect. Basically, it would be conceivable that with these sheets also an ice cream lining on the brake disc can be removed. The disadvantage lies in the fact that on the one hand the effort for the attachment the scrapers are too big and on the other hand also because because the scrapers are not always and with absolute certainty at all times against the brake disc, which again leads to Un safety when braking.
Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, eine Möglichkeit zu schaffen, daß das Eiskratzblech immer und gleichmäßig an der Bremsscheibe anliegt und zwar mindestens dann, wenn gebremst wird, das heißt dann, wenn der Bremsbelag auf die Reibfläche der Bremsscheibe gedrückt wird.The present invention is therefore based on the object a way to create that the ice scraper always and lies evenly on the brake disc, at least then when braking, that is, when the brake pad is pressed onto the friction surface of the brake disc.
Die Lösung der Aufgabe besteht darin, daß auf den im wesent lichen senkrecht zur Reibfläche der Bremsscheibe liegenden Randflächen des Bremsbelags sowie entsprechend liegenden Nuten eine Beschichtung aus Metall oder Keramik von höchstens 1 mm Dicke und mindestens einer Härte von 25 HRc aufgebracht ist. Vorteilhaft wird die Beschichtung mit thermischem Spritzen aufgebracht.The solution to the problem is that in essence Lichen perpendicular to the friction surface of the brake disc Edge surfaces of the brake pad and correspondingly lying grooves a coating of metal or ceramic of at most 1 mm Thickness and at least a hardness of 25 HRc is applied. Coating with thermal spraying is advantageous upset.
Zweckmäßig bestehen die Beschichtungen aus einem Metall, Metallegierung, Karbiden, Keramik, Kunststoffen oder deren Mischungen mit einer Bruchdehnung von höchstens 10%.The coatings expediently consist of a metal, Metal alloy, carbides, ceramics, plastics or their Mixtures with an elongation at break of at most 10%.
In jedem Falle muß die Randbeschichtung des Bremsbelags härter sein als die Bremsbelagmasse, wodurch erreicht wird, daß die Randbeschichtung langsamer verschleißt als der Bremsbelag, so daß während der gesamten Lebensdauer des Bremsbelages immer ein gewisses Maß der Randbeschichtung über den Brems belag übersteht und den störenden Belag bzw. das sich gegebenen falls auf der Reibfläche der Bremsscheibe befindliche Eis abkratzt.In any case, the edge coating of the brake pad must be harder be as the brake pad mass, whereby it is achieved that the Edge coating wears out more slowly than the brake pad, so that during the entire life of the brake pad always a certain amount of edge coating over the brake covering survives and the disruptive covering or the given if there is ice on the friction surface of the brake disc scratches off.
ln den Zeichnungen ist eine beispielsweise Ausführungsform eines erfindungsgemäßen Bremsbelags dargestellt und zwar zeigtAn exemplary embodiment is shown in the drawings of a brake pad according to the invention shown shows
Fig. 1 eine Draufsicht auf die Reibfläche eines Bremsbelags, Fig. 1 is a plan view of the friction surface of a brake pad,
Fig. 2 einen Schnitt nach der Linie II-II der Fig. 1. Fig. 2 shows a section along the line II-II in FIG. 1.
Nach den Fig. 1 und 2 ist der Bremsbelag, welcher Nierenform besitzt und aus einem organisch gebundenen Reibmaterial besteht, mit einem rund um den Außenumfang verlaufenden Belag 12 aus einer Metallegierung mit einer Härte von 52 HRc und einer Dicke von 0,5 mm versehen. Der Belag 12 ist aufgespritzt, kann aber auch aus einem Blech bestehen, welches um den Bremsbelag gelegt ist. Wie aus Fig. 2 ersichtlich, steht die Beschichtung 12 schon bei eingefahrenem Bremsbelag um einen geringen Betrag von einigen hundertstel oder zehntel Millimetern über die Reibfläche 13 des Belages 11 über. In den üblicherweise im Bremsbelag aus den verschiedensten Gründen angebrachten Nuten 14 und 15 und 16 sind aus dem gleichen Material wie die Rand beschichtung 12 Beschichtungen aufgebracht, welche wie bei der Nut 14 die gesamte Nut ausfüllen oder aber wie bei der Nut 15 zu sehen, auf einer Seite der Nut aufgebracht sind. In jedem fall stehen auch diese Beschichtungen über die Reibfläche 13 des Bremsbelags 11 über.According to FIGS. 1 and 2, the brake pad has what kidney shape and consists of an organically bound friction material, provided with a turn extending about the outer periphery covering 12 made of a metal alloy having a hardness of 52 HRC and a thickness of 0.5 mm. The pad 12 is sprayed on, but can also consist of a sheet metal which is placed around the brake pad. As can be seen from FIG. 2, the coating 12 projects beyond the friction surface 13 of the lining 11 by a small amount of a few hundredths or tenths of a millimeter even when the brake lining is retracted. In the grooves 14 and 15 and 16, which are usually provided in the brake lining for a variety of reasons, 12 coatings are applied from the same material as the edge coating, which, like the groove 14, fill the entire groove or as seen in the groove 15 one side of the groove are applied. In any case, these coatings also protrude beyond the friction surface 13 of the brake pad 11 .
Dieser überstehende Teil der Beschichtungen 12 trifft nun beim Bremsen zuerst auf die Reibfläche der Bremsscheibe und zer stört zuerst den auf dieser Reibfläche eventuell vorhandenen Belag aus Eis oder Schmutz und entfernt dadurch diesen Belag, so daß die Reibfläche 13 des Bremsbelags 11 immer auf eine saubere Reibfläche der Bremsscheibe trifft. Damit wird erreicht, daß die Bremswirkung immer gleich bleibt, weil die Reibung zwischen Bremsscheibe und Bremsbelag nicht gestört wird.This protruding part of the coatings 12 now hits the friction surface of the brake disc during braking and zer first interferes with the surface of ice or dirt that may be present on this friction surface and thereby removes this surface so that the friction surface 13 of the brake lining 11 always has a clean friction surface the brake disc hits. This ensures that the braking effect always remains the same because the friction between the brake disc and the brake pad is not disturbed.
Es ist selbstverständlich, daß die Härte des Beschichtungsma terials im Verhältnis zur Härte des Bremsbelags abgestimmt sein muß, damit auch die Beschichtung des Randes und der Nuten so gleichmäßig verschleißt, daß die Randbeschichtung 12 immer um einen geringen Betrag über den Bremsbelag übersteht.It goes without saying that the hardness of the coating material in relation to the hardness of the brake pad must be matched so that the coating of the edge and the grooves wears so evenly that the edge coating 12 always survives a small amount over the brake pad.
Dadurch, daß die Randbeschichtung Teil des Belages und fest mit diesem verbunden ist, wird ohne zusätzliche Vorrichtungen sichergestellt, daß nur zum jeweils verwandten Belagmaterial passende Randbeschichtungsmaterial verwandt wird. Somit ist stets eine richtige Abstimmung von Belagmaterial und Randbeschichtung für die jeweilige Anwendung sichergestellt.Because the edge coating is part of the covering and firm connected to this, without additional devices ensured that only to the respective covering material suitable edge coating material is used. So is always correct matching of covering material and edge coating ensured for the respective application.
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3832199A DE3832199A1 (en) | 1988-09-22 | 1988-09-22 | Brake linings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3832199A DE3832199A1 (en) | 1988-09-22 | 1988-09-22 | Brake linings |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3832199A1 true DE3832199A1 (en) | 1990-03-29 |
Family
ID=6363485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3832199A Withdrawn DE3832199A1 (en) | 1988-09-22 | 1988-09-22 | Brake linings |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3832199A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0503625A1 (en) * | 1991-03-15 | 1992-09-16 | Otto Kurt Stahl | Friction pad for a disc brake |
DE19751914A1 (en) * | 1997-11-22 | 1999-05-27 | Itt Mfg Enterprises Inc | Brake shoe for friction brake, with friction lining on support |
DE10041294A1 (en) * | 2000-08-23 | 2002-03-07 | Tmd Friction Gmbh | brake shoe |
DE102005044255A1 (en) * | 2005-09-21 | 2007-04-05 | Abwasserbeseitigungsbetrieb Der Stadt Pirmasens | Load profile recognition of the biological cleaning stages to operate wastewater purification plant, where the profile recognition is derived from nitrogen load, biological oxygen demand-5-load, and nitrification-denitrification activity |
EP3369687A1 (en) | 2015-10-26 | 2018-09-05 | Hitachi, Ltd. | Elevator device |
CN109790889A (en) * | 2016-10-05 | 2019-05-21 | 塔拉诺技术公司 | Capture the Brake pad and brake unit of particle |
-
1988
- 1988-09-22 DE DE3832199A patent/DE3832199A1/en not_active Withdrawn
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0503625A1 (en) * | 1991-03-15 | 1992-09-16 | Otto Kurt Stahl | Friction pad for a disc brake |
DE19751914A1 (en) * | 1997-11-22 | 1999-05-27 | Itt Mfg Enterprises Inc | Brake shoe for friction brake, with friction lining on support |
DE10041294A1 (en) * | 2000-08-23 | 2002-03-07 | Tmd Friction Gmbh | brake shoe |
DE10041294B4 (en) * | 2000-08-23 | 2008-06-19 | Tmd Friction Gmbh | brake shoe |
DE102005044255A1 (en) * | 2005-09-21 | 2007-04-05 | Abwasserbeseitigungsbetrieb Der Stadt Pirmasens | Load profile recognition of the biological cleaning stages to operate wastewater purification plant, where the profile recognition is derived from nitrogen load, biological oxygen demand-5-load, and nitrification-denitrification activity |
EP3369687A1 (en) | 2015-10-26 | 2018-09-05 | Hitachi, Ltd. | Elevator device |
CN109790889A (en) * | 2016-10-05 | 2019-05-21 | 塔拉诺技术公司 | Capture the Brake pad and brake unit of particle |
JP2019529840A (en) * | 2016-10-05 | 2019-10-17 | タラノ・テクノロジー | Brake pad and brake unit for capturing dust |
EP3523550B1 (en) | 2016-10-05 | 2020-09-09 | Tallano Technologie | Brake pad and braking unit for capturing particles |
CN109790889B (en) * | 2016-10-05 | 2021-12-31 | 塔拉诺技术公司 | Brake pad and brake unit for capturing particles |
EP3523550B2 (en) † | 2016-10-05 | 2023-11-29 | Tallano Technologie | Brake pad and braking unit for capturing particles |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8139 | Disposal/non-payment of the annual fee |