Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
  • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
  • F16D69/02—Composition of linings ; Methods of manufacturing
  • F16D69/025—Compositions based on an organic binder
  • F16D69/026—Compositions based on an organic binder containing fibres
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
  • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
  • F16D69/02—Composition of linings ; Methods of manufacturing
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B27/00—Layered products comprising a layer of synthetic resin
  • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
  • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
• • 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
  • F16D13/00—Friction clutches
  • F16D13/58—Details
  • F16D13/72—Features relating to cooling
• • 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
  • F16D13/00—Friction clutches
  • F16D13/58—Details
  • F16D13/74—Features relating to lubrication
• • 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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
  • B32B2262/10—Inorganic fibres
  • B32B2262/106—Carbon fibres, e.g. graphite fibres
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
  • B32B2264/10—Inorganic particles
  • B32B2264/107—Ceramic
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B2475/00—Frictional 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
  • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
  • F16D2069/005—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces having a layered structure
• • 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
  • F16D2069/005—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces having a layered structure
  • F16D2069/008—Layers of fibrous 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
  • F16D2069/009—Linings attached to both sides of a central support element, e.g. a carrier plate
• • 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
  • F16D2200/0082—Production methods therefor
  • F16D2200/0095—Mixing an aqueous slurry of fibres with a binder, e.g. papermaking process

Definitions

• the invention relates to a wet-running friction lining with a plastic matrix containing at least one filler.
• a friction and / or sliding coating with a plastic matrix which contains graphite as filler.
• DE 10 2010 021 722 A1 a method for producing a friction lining for friction clutches in a motor vehicle is known, wherein a dispersion of water and solids is sucked onto a sieve-like surface and deposit the solids on the sieve-like surface, wherein the sieve-like Surface in the form of a three-dimensional structure, wherein the solids content of the components of the friction material added in the manufacture of the friction lining thirty-five to eighty percent by weight cotton fiber, one to ten percent by weight aramid fiber, one to forty percent by weight silica, five to thirty percent by weight phenolic resin and papermaking contains conventional processing aids.
• the object of the invention is the production and / or the functionality of
• wet running friction linings with a plastic matrix containing at least one filler to simplify or improve.
• the object is achieved in a wet-running friction lining with a plastic matrix containing at least one filler, characterized in that the wet-running friction lining contains bentonite as a filler.
• the wet-running friction lining is formed from a friction lining material, which preferably contains a plurality of layers.
• the friction lining material preferably comprises at least one underlayer, which is also referred to as an underlayer, and at least one upper layer, which is also referred to as an overlayer.
• the wet-running friction lining is preferably designed as a paper covering.
• Conventional friction lining formulations contain, for example, kieselguhr as a filler.
• the morphology, particle size distribution, treatment and also the decomposition of this diatomaceous earth can influence the friction behavior, in particular the coefficient of friction, over a differential speed during operation of the wet-running friction lining in the course.
• the filler bentonite can either replace a conventional filler completely or in parts.
• the filler bentonite can be advantageously used in single or multi-ply friction papers in different layers.
• the bentonite is a clay mineral that has a shingled structure as a phyllosilicate.
• the wet-running friction lining with the bentonite filler is, for example, very well suited for use in dual-clutch transmissions.
• the friction lining material with the bentonite filler is also very well suited for use in the following applications: torque converter, automatic transmission, lock-up, dual clutch, synchronization and other wet-running friction applications.
• Wet running means that the wet-running friction lining comes into contact with a liquid lubricating and / or cooling medium, such as oil, during operation.
• a preferred embodiment of the wet-running friction lining is characterized in that the wet-running friction lining contains bentonite as sole filler.
• the bentonite filler used is, for example, a white powder having a bulk density of about one hundred and forty four grams per liter.
• the wet-running friction lining contains bentonite as one of several fillers.
• the filler bentonite may be combined with at least one conventional filler, such as kieselguhr.
• a further preferred embodiment of the wet-running friction lining is characterized in that the wet-running friction lining comprises a plurality of layers, of which at least one contains bentonite as filler. If the wet-running friction lining comprises a backsheet and a topsheet, then the topsheet preferably contains bentonite. The backsheet then preferably contains no bentonite.
• Another preferred embodiment of the wet-running friction lining is characterized in that the bentonite contains montmorillonite as the main constituent. The bentonite based on a Montmo llonits has proved to be particularly advantageous in experiments and investigations carried out in the context of the present invention.
• a further preferred embodiment of the wet-running friction lining is characterized in that the wet-running friction lining has at least one lower layer and at least one upper layer containing bentonite.
• the underlayer is advantageously reinforced with fibers.
• the fibers are, for example, carbon fibers, which are also referred to as carbon fibers.
• the underlayer may advantageously contain aramid fibers.
• the topsheet preferably contains no reinforcing fibers.
• a further preferred embodiment of the wet-running friction lining is characterized in that the upper layer contains aramid and / or linters.
• the aramid is preferably embedded in the plastic matrix of the topsheet. Linters refer to longer seed hairs of cotton.
• a further preferred embodiment of the wet-running friction lining is characterized in that the lower layer contains aramid, diatomaceous earth, linters and / or fibers, in particular carbon fibers.
• a synthetic resin is advantageously used.
• the synthetic resin is, for example, a phenolic resin.
• the wet-running friction lining is a paper coating.
• Paper coverings are made in the same way as paper. In the production of paper coverings, a paper web is first produced, for example. From the paper web, the paper pads can be cut out.
• the invention also relates to a friction lining material for producing a wet-running friction lining described above.
• the friction lining material can be traded separately.
• the invention further relates to a friction plate with at least one previously described wet-running friction lining.
• the friction plate preferably comprises a lining carrier to which at least one previously described wet-running friction lining is attached.
• On the lining carrier preferably two wet-running friction linings described above are attached.
• the wet-running friction linings are preferably materially bonded, for example by gluing, to the lining carrier.
• the wet-running friction linings can be riveted to the lining carrier.
• the invention also relates to a wet-running multi-plate clutch with at least one friction plate described above.
• the wet-running multi-plate clutch is preferably used in the automotive sector.
• Figure 1 is a greatly simplified representation of a lining carrier according to the invention with two wet-running friction linings in cross section;
• Figure 2 shows an arrangement of the lining carrier with the wet-running friction linings of Figure 1 between two counter-coupling parts of a steel material and
• FIG. 3 shows a simplified representation of a disk set with wet-running coupling parts and with wet-running counter-coupling parts made of a steel material.
• FIG. 1 shows a wet-run coupling part 1 with a lining carrier 3 in greatly simplified cross-section.
• the lining carrier 3 comprises a main body 5, which essentially has the shape of a circular ring disk with a rectangular ring cross section.
• wet-running friction linings 6, 7 are attached on the main body 5.
• the wet-running friction linings 6, 7 also have the shape of circular disks with a rectangular ring cross-section.
• the wet-running friction linings 6, 7 have the same external diameter of the base body 5 of the lining carrier 3.
• the lining carrier 3 has a smaller inner diameter than the wet-running friction linings 6, 7.
• the wet-running coupling part 1 is, for example, an inner plate of a multi-plate clutch.
• the brake disc carrier 3 has an inner toothing radially inward, for example.
• the wet-running coupling part 1 of Figure 1 between two wet-running counter-coupling parts 1 1, 12 is arranged.
• the two counter-coupling parts 1 1, 12 each have a base body 15, 16 in the form of a circular disk with a rectangular ring cross-section.
• An inner diameter of the base body 15, 16 of the counter-coupling parts 1 1, 12 is the same size as the inner diameter of the wet-running friction linings 6, 7 in the lining carrier 3.
• the counter-coupling parts 1 1, 12 have a larger outer diameter than the lining carrier 3 the wet-running friction linings 6, 7.
• the counter-coupling parts 11, 12 are, for example, outer plates of the previously described multi-plate clutch. To represent a rotationally fixed
• the wet-running friction linings 6, 7 on the lining carrier 3 are formed from a wet-running friction lining material.
• the lining carrier 3 is formed of a steel material.
• the counter-coupling parts 1 1, 12 are also formed of a steel material.
• FIG. 3 shows in simplified form a disk pack 20 of a multi-disk clutch.
• the disk pack 20 includes, in addition to the wet-running clutch part 1, three further wet-running clutch parts 22, 23, and 24.
• the wet-running clutch parts 22 to 24 are the same as the wet-running clutch part 1.
• the wet-running clutch parts 1, 22 to 24 represent in the disk pack 20 inner disks.
• the disk set 20 further comprises, in addition to the counter-coupling parts 1 1, 12 of Figure 2, three other wet-running counter-coupling parts 33, 34, 35.
• the wet-running coupling parts 1, 22 to 24 are in alternation with the wet-running counter-coupling parts 1 1st , 12, 33-35.
• the counter-coupling parts 1 1, 12 and 33 to 35 constitute outer disks of the disk set 20.
• the counter-coupling part 1 1 represents a left end disk of the disk set 20 in FIG. 3.
• the counter-coupling part 35 arranged on the right in FIG a second end plate of the disk set 20.
• the wet running the coupling parts 1, 22 to 24 are each between two counter-coupling parts 1 1, 12; 33, 34; 34, 35 arranged.
• the wet-running friction linings 6, 7 each comprise an underlayer, which is also referred to as an underlayer, and a top layer, which is also referred to as an overlayer.
• the underlayer consists, for example, of aramid, diatomaceous earth, linters, carbon fibers and resin.
• the upper layer consists for example of aramid, bentonite, linters and resin.
• the bentonite is used as a filler only in the upper class.
• the bentonite used is preferably a chemically modified montmorillonite-based phyllosilicate with the abbreviation EXM 1936. This is a white powder with a bulk density of approximately one hundred and forty-four grams per liter.

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Composite Materials (AREA)
• Materials Engineering (AREA)
• Braking Arrangements (AREA)
• Mechanical Operated Clutches (AREA)
• Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
• Laminated Bodies (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=57544163

Family Applications (1)

Country Status (4)

Families Citing this family (1)

Citations (7)

Family Cites Families (20)

• 2015
  • 2015-12-01 DE DE102015223893.8A patent/DE102015223893A1/de not_active Withdrawn
• 2016
  • 2016-11-22 JP JP2018528264A patent/JP2019505735A/ja active Pending
  • 2016-11-22 DE DE112016005478.5T patent/DE112016005478B4/de active Active
  • 2016-11-22 WO PCT/DE2016/200533 patent/WO2017092747A1/de active Application Filing
  • 2016-11-22 CN CN201680070583.2A patent/CN108368902B/zh active Active

Patent Citations (7)

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