CN108714992A - A kind of manufacturing process of clutch friction plate - Google Patents
A kind of manufacturing process of clutch friction plate Download PDFInfo
- Publication number
- CN108714992A CN108714992A CN201810441849.0A CN201810441849A CN108714992A CN 108714992 A CN108714992 A CN 108714992A CN 201810441849 A CN201810441849 A CN 201810441849A CN 108714992 A CN108714992 A CN 108714992A
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- steel substrate
- friction plate
- manufacturing process
- mixture
- agitator tank
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 68
- 239000010959 steel Substances 0.000 claims abstract description 68
- 239000000758 substrate Substances 0.000 claims abstract description 54
- 239000002131 composite material Substances 0.000 claims abstract description 19
- 239000003292 glue Substances 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 17
- 239000013078 crystal Substances 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 238000005299 abrasion Methods 0.000 claims abstract description 12
- 238000009499 grossing Methods 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 32
- 238000012545 processing Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 238000004513 sizing Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000002360 preparation method Methods 0.000 abstract description 6
- 238000001746 injection moulding Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000004080 punching Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
-
- 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
- F16D69/027—Compositions based on metals or inorganic oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
- B29C2043/185—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles using adhesives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- F16D2200/0004—Materials; Production methods therefor metallic
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of manufacturing process of clutch friction plate,By to steel substrate preheating smoothing after while steel substrate cools down,It prepared by Friction plate blank,Rubber powder is added in Friction plate blank preparation process,Inorganic crystal whisker and plant fiber,Abrasion-resistant metal powder increases the toughness after prepared by friction plate and abrasion resistant effect,Prepare friction plate principle stirring after the completion of,Base steel plate surface after the cooling period is coated with composite glue,Raw material after being stirred inside agitator tank is in a liquid state in injection moulding equipment forming tank on steel substrate,The heat of principle mixes after composite glue and steel substrate preheat again,Former squeezes friction tablet raw material with steel substrate and attaches,Make friction plate principle squeeze by former completely to attach with steel substrate,Ensure the fastness attached to steel substrate and planarization effects,Ensure that friction plate attaches the uniformity of thickness with steel substrate.
Description
Technical field
The present invention relates to friction plate preparation field, specially a kind of manufacturing process of clutch friction plate.
Background technology
Domestic friction sheets use No. 75 steel plates for raw material at present, and processing method is：Punching press-quenching-smoothing-acid
Wash-integral type the patch of artificial gluing-." punching press-quenching-smoothing " method in old process, since steel are not quenched hard
Degree is inadequate, is quenched again after direct punching press, often will appear and loses the high phenomenon of circle rate, and changes the problem country and method there is no to solve well
Certainly.After smoothing, then cementing on the steel plate directly attaches the friction plate after production on the steel plate, using manual operation,
Causing friction plate to be bonded with steel plate, the effect is unsatisfactory, and thickness uniformity coefficient does not comply with standard, influences friction plate and steel plate
After fitting the abrasion resistance of friction plate with use toughness.
Invention content
The purpose of the present invention is to provide a kind of manufacturing process of clutch friction plate, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides the following technical solutions：Specifically include following steps：
S1, steel substrate processing processing：It takes out after a piece of steel substrate heats inside Contoured squeeze equipment and smooths；
S2, raw material stir process：Nano-calcium carbonate, rubber powder, silica, abrasion-resistant metal powder room temperature inside agitator tank is close
It is stirred to obtain mixture A in the state of envelope；
S3, mixture A mixed processings：After being heated to 50-100 DEG C to agitator tank inside in the state that agitator tank seals, open
Agitator tank, and plant fiber, inorganic crystal whisker are added with this, agitator tank is mixed in stirring to plant fiber, inorganic crystal whisker and mixture A
It is heated to 180-300 DEG C during conjunction, and obtains mixing B；
S4, patch fixing process：The surface for smoothing steel substrate after cooling is coated with composite glue, agitator tank is stirred to obtain
Mixture B directly export on the steel substrate inside former, be bonded with base steel plate surface by composite glue；
S5, sizing treatment：Former operation squeezes 10-20 seconds the steel substrate inside forming tank with mixture B and is molded, and makes
The composite glue that the surface of mixture B and steel substrate is coated with attaches fixation completely.
Preferably, it is 100-200 DEG C to the temperature of steel substrate heating in the S1 steps.
Preferably, it is that former is produced to friction plate to the Contoured squeeze equipment of steel substrate smoothing in the S1 steps.
Preferably, the component of each component is 10-25 parts of nano-calcium carbonate, 20-35 parts of rubber powder, dioxy in the S2 steps
15-30 parts of SiClx, 10-15 parts of abrasion-resistant metal powder.
Preferably, the component of each component is 5-10 parts of plant fiber, 8-15 parts of inorganic crystal whisker in the S3 steps.
Preferably, when being stirred to mixture A in the S2 steps 5- is stirred using in the state of rotating speed 100-180r/min
10 minutes.
Preferably, when being stirred to mixture B in the S3 steps 10- is stirred using in the state of rotating speed 150-280r/min
20 minutes.
Preferably, steel substrate cooling treatment during mixture B is mixed with.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention by steel substrate preheating smoothing after in base steel
It while plate cools down, prepared by Friction plate blank, rubber powder, inorganic crystal whisker and plant is added in Friction plate blank preparation process
Fibres, abrasion-resistant metal powder increase the toughness after prepared by friction plate and abrasion resistant effect, after the completion of preparing the stirring of friction plate principle,
Base steel plate surface after the cooling period is coated with composite glue, and the injection moulding that is in a liquid state of the raw material after being stirred inside agitator tank is set
In standby forming tank on steel substrate, the heat of principle mixes after composite glue and steel substrate preheat again, and former is to friction
Tablet raw material is squeezed with steel substrate and is attached, and so that friction plate principle is squeezed by former and is completely attached with steel substrate, it is ensured that steel
The fastness and planarization effects that substrate attaches, it is ensured that friction plate attaches the uniformity of thickness with steel substrate.
Specific implementation mode
Below in conjunction with illustrating in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear
Chu is fully described by, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiment shall fall within the protection scope of the present invention.
Embodiment 1
A kind of manufacturing process of clutch friction plate, specifically includes following steps：
S1, steel substrate processing processing：It takes out after a piece of steel substrate heats inside Contoured squeeze equipment and smooths；
S2, raw material stir process：10 parts of nano-calcium carbonate, 20 parts of rubber powder, 5 parts of silica 1,12 parts of abrasion-resistant metal powder are existed
Room temperature sealing speed of agitator stirs 5 minutes in the state of being 100r/min and is mixed to get mixture A inside agitator tank；
S3, mixture A mixed processings：After being heated to 50-100 DEG C to agitator tank inside in the state that agitator tank seals, open
Agitator tank, and 5 parts of plant fiber, 8 parts of inorganic crystal whisker are added with this, agitator tank exists to plant fiber, inorganic crystal whisker and mixture A
Rotating speed is to be heated to 180 during 150r/min is stirred 10 minutes, and obtain mixing B；
S4, patch fixing process：The surface for smoothing steel substrate after cooling is coated with composite glue, agitator tank is stirred to obtain
Mixture B directly export on the steel substrate inside former, be bonded with base steel plate surface by composite glue；
S5, sizing treatment：Former operation squeezes 10 seconds the steel substrate inside forming tank with mixture B and is molded, and makes to mix
The composite glue that the surface of conjunction object B and steel substrate is coated with attaches fixation completely.
In summary it is said：The above-mentioned obtained friction plate hardness of preparation process is not high, good with steel substrate attaching flatness,
But friction plate toughness is bad, wearability is poor.
Embodiment 2
A kind of manufacturing process of clutch friction plate, specifically includes following steps：
S1, steel substrate processing processing：It takes out after a piece of steel substrate heats inside Contoured squeeze equipment and smooths；
S2, raw material stir process：25 parts of nano-calcium carbonate, 35 parts of rubber powder, 30 parts of silica, 15 parts of abrasion-resistant metal powder are existed
Room temperature sealing speed of agitator is stirred 10 minutes in the state of being 180r/min and obtains mixture A inside agitator tank；
S3, mixture A mixed processings：After being heated to 100 DEG C to agitator tank inside in the state that agitator tank seals, stirring is opened
Tank, and 10 parts of plant fiber, 15 parts of inorganic crystal whisker are added with this, agitator tank is stirring plant fiber, inorganic crystal whisker and mixture A
Mix rotating speed is that 280r/min is mixed 20 minutes, and 300 DEG C are heated to during being stirred, and obtains mixing B；
S4, patch fixing process：The surface for smoothing steel substrate after cooling is coated with composite glue, agitator tank is stirred to obtain
Mixture B directly export on the steel substrate inside former, be bonded with base steel plate surface by composite glue；
S5, sizing treatment：Former operation squeezes 20 seconds the steel substrate inside forming tank with mixture B and is molded, and makes to mix
The composite glue that the surface of conjunction object B and steel substrate is coated with attaches fixation completely.
In summary described：The above-mentioned obtained friction plate hardness of preparation process is good, and good fixing effect is pasted with steel substrate, thick
Degree is more uniform, but the toughness of friction plate is still insufficient.
Embodiment 3
Specifically include following steps：
S1, steel substrate processing processing：It takes out after a piece of steel substrate heats inside Contoured squeeze equipment and smooths；
S2, raw material stir process：20 parts of nano-calcium carbonate, 30 parts of rubber powder, 24 parts of silica, 13 parts of abrasion-resistant metal powder are existed
Room temperature sealing speed of agitator is stirred 10 minutes in the state of being 150r/min and obtains mixture A inside agitator tank；
S3, mixture A mixed processings：After being heated to 100 DEG C to agitator tank inside in the state that agitator tank seals, stirring is opened
Tank, and 5 parts of plant fiber, 7 parts of inorganic crystal whisker are added with this, agitator tank is stirring plant fiber, inorganic crystal whisker and mixture A
It is heated to 240 DEG C during mixing, and obtains mixing B；
S4, patch fixing process：The surface for smoothing steel substrate after cooling is coated with composite glue, agitator tank is stirred to obtain
Mixture B directly export on the steel substrate inside former, be bonded with base steel plate surface by composite glue；
S5, sizing treatment：Former operation squeezes 20 seconds the steel substrate inside forming tank with mixture B and is molded, and makes to mix
The composite glue that the surface of conjunction object B and steel substrate is coated with attaches fixation completely.
In summary described：The above-mentioned obtained friction plate of preparation process is bonded that effect is good, and coating thickness is equal with steel substrate
Even, the wearability of friction plate is good, toughness is good.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of manufacturing process of clutch friction plate, it is characterised in that：Specifically include following steps：
S1, steel substrate processing processing：It takes out after a piece of steel substrate heats inside Contoured squeeze equipment and smooths；
S2, raw material stir process：Nano-calcium carbonate, rubber powder, silica, abrasion-resistant metal powder room temperature inside agitator tank is close
It is stirred to obtain mixture A in the state of envelope；
S3, mixture A mixed processings：After being heated to 50-100 DEG C to agitator tank inside in the state that agitator tank seals, open
Agitator tank, and plant fiber, inorganic crystal whisker are added with this, agitator tank is mixed in stirring to plant fiber, inorganic crystal whisker and mixture A
It is heated to 180-300 DEG C during conjunction, and obtains mixing B；
S4, patch fixing process：The surface for smoothing steel substrate after cooling is coated with composite glue, agitator tank is stirred to obtain
Mixture B directly export on the steel substrate inside former, be bonded with base steel plate surface by composite glue；
S5, sizing treatment：Former operation squeezes 10-20 seconds the steel substrate inside forming tank with mixture B and is molded, and makes
The composite glue that the surface of mixture B and steel substrate is coated with attaches fixation completely.
2. a kind of manufacturing process of clutch friction plate according to claim 1, it is characterised in that：It is right in the S1 steps
The temperature of steel substrate heating is 100-200 DEG C.
3. a kind of manufacturing process of clutch friction plate according to claim 1, it is characterised in that：It is right in the S1 steps
The Contoured squeeze equipment of steel substrate smoothing is to produce former to friction plate.
4. a kind of manufacturing process of clutch friction plate according to claim 1, it is characterised in that：It is each in the S2 steps
The component of component is 10-25 parts of nano-calcium carbonate, 20-35 parts of rubber powder, 5-30 parts of silica 1, abrasion-resistant metal powder 10-15
Part.
5. a kind of manufacturing process of clutch friction plate according to claim 1, it is characterised in that：It is each in the S3 steps
The component of component is 5-10 parts of plant fiber, 8-15 parts of inorganic crystal whisker.
6. a kind of manufacturing process of clutch friction plate according to claim 1, it is characterised in that：It is right in the S2 steps
Using being stirred 5-10 minutes in the state of rotating speed 100-180r/min when mixture A stirring.
7. a kind of manufacturing process of clutch friction plate according to claim 1, it is characterised in that：It is right in the S3 steps
Using stirring 10-20min in the state of rotating speed 150-280r/min when mixture B stirring.
8. a kind of manufacturing process of clutch friction plate according to claim 1, it is characterised in that：The steel substrate is mixed
Close cooling treatment during object B is mixed with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810441849.0A CN108714992A (en) | 2018-05-10 | 2018-05-10 | A kind of manufacturing process of clutch friction plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810441849.0A CN108714992A (en) | 2018-05-10 | 2018-05-10 | A kind of manufacturing process of clutch friction plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108714992A true CN108714992A (en) | 2018-10-30 |
Family
ID=63899619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810441849.0A Pending CN108714992A (en) | 2018-05-10 | 2018-05-10 | A kind of manufacturing process of clutch friction plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108714992A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6090285A (en) * | 1983-10-24 | 1985-05-21 | Toyota Motor Corp | Friction material for brake |
| CN104449565A (en) * | 2013-09-20 | 2015-03-25 | 霓佳斯株式会社 | Dry friction material, clutch device and brake device |
| CN105524593A (en) * | 2015-12-29 | 2016-04-27 | 重庆迪斯步特摩擦材料有限公司江津分公司 | A manufacturing method of a friction plate |
| CN106917837A (en) * | 2017-03-13 | 2017-07-04 | 浙江工贸职业技术学院 | A kind of semi-metallic brake pad and preparation method thereof |
-
2018
- 2018-05-10 CN CN201810441849.0A patent/CN108714992A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6090285A (en) * | 1983-10-24 | 1985-05-21 | Toyota Motor Corp | Friction material for brake |
| CN104449565A (en) * | 2013-09-20 | 2015-03-25 | 霓佳斯株式会社 | Dry friction material, clutch device and brake device |
| CN105524593A (en) * | 2015-12-29 | 2016-04-27 | 重庆迪斯步特摩擦材料有限公司江津分公司 | A manufacturing method of a friction plate |
| CN106917837A (en) * | 2017-03-13 | 2017-07-04 | 浙江工贸职业技术学院 | A kind of semi-metallic brake pad and preparation method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181030 |
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