WO2017101928A1 - Verfahren zum herstellen eines reibbelags - Google Patents
Verfahren zum herstellen eines reibbelags Download PDFInfo
- Publication number
- WO2017101928A1 WO2017101928A1 PCT/DE2016/200550 DE2016200550W WO2017101928A1 WO 2017101928 A1 WO2017101928 A1 WO 2017101928A1 DE 2016200550 W DE2016200550 W DE 2016200550W WO 2017101928 A1 WO2017101928 A1 WO 2017101928A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- blank
- stage
- hot press
- hot pressing
- hot
- 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.)
- Ceased
Links
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
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
-
- 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
- F16D2069/0425—Attachment methods or devices
- F16D2069/045—Bonding
- F16D2069/0458—Bonding metallurgic, e.g. welding, brazing, sintering
-
- 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
- F16D2200/0086—Moulding materials together by application of heat and pressure
-
- 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
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0023—Shaping by pressure
Definitions
- the invention relates to a method for producing a friction lining, in particular a dry-running Kupplungsreibbelags, from a blank which is acted upon in a hot press under the action of heat with pressure.
- the object of the invention is to improve the Reibwert a friction lining, in particular a dry-running Kupplungsreibbelags, which is made from a blank which is acted upon in a hot press under heat pressure.
- the object is achieved in a method for producing a friction lining, in particular a dry Kupplungsreibbelags, from a blank which is subjected to heat in a hot press with pressure, achieved in that the blank in the hot press in a multi-stage hot pressing under heat pressure applied becomes.
- a method for producing a friction lining in particular a dry Kupplungsreibbelags
- a blank in the hot press in a multi-stage hot pressing under heat pressure applied becomes.
- the method according to the invention is preferably not only a blank in the multi-stage hot pressing process under heat pressure applied.
- several blanks are pressurized at once in a suitable hot press or in several hot presses in the multi-stage hot pressing process under the action of heat.
- the blank is preferably produced by winding.
- the blank preferably produced by winding, is formed from a resin into which fiber and / or filler components are embedded.
- the resin is, for example, a phenol resin / melamine resin.
- the blank preferably contains at least one, several or each of the following components: rubber, glass fibers, organic fibers, copper. If necessary, brass can also be used instead of copper.
- the friction lining is preferably a dry clutch friction lining.
- a dry clutch friction lining can be produced, which is in its coefficient of friction at a higher level than a conventional dry-running Kupplungsreibbelag.
- a minimum coefficient of friction of the dry clutch friction lining can be increased by the multi-stage hot pressing process.
- an undesirable friction coefficient scattering can be significantly reduced.
- future performance requirements for dry-running clutch friction linings can be better covered with increased contact forces.
- a preferred embodiment of the method is characterized in that the blank is pressed in the multi-stage hot pressing process in the hot press with different process parameters. Due to the multi-stage hot pressing with different process parameters is advantageously a
- Friction pad material structure produced, which has a positive effect on the friction coefficient of the friction lining.
- a further preferred embodiment of the method is characterized in that the blank is exposed to different temperatures in the multi-stage hot pressing process in the hot press.
- Surveys carried out in the context of the present invention have surprisingly found that the friction coefficient behavior can be positively influenced by different temperatures in the multi-stage hot pressing process.
- a further preferred embodiment of the method is characterized in that the blank is subjected to different high pressures in the multi-stage hot pressing process in the hot press. At the different levels of These are optional process parameters.
- the multi-stage hot pressing process can also be carried out with the same pressures.
- a further preferred embodiment of the method is characterized in that individual stages of the hot pressing process take different lengths.
- the different duration has proved to be advantageous, in particular with regard to multi-stage hot pressing processes, which comprise more than two stages.
- a further preferred embodiment of the method is characterized in that a first hot press stage takes about the same length as a second hot press stage.
- the inventive method comprises according to a further aspect of the invention, only two hot press stages. When using two hot press stages, it has surprisingly been found that it is advantageous if the two hot pressing stages take the same length of time.
- each of the first and second hot press stages takes eighty plus / minus twenty seconds.
- a further preferred embodiment of the method is characterized in that the blank is subjected to a lower temperature in one or the first hot press stage than in the second hot press stage.
- the two-stage hot pressing process has been found in the experiments and investigations carried out in the present invention that it is advantageous if the temperature is kept lower in the first hot press stage than in the second hot press stage.
- a further preferred embodiment of the method is characterized in that the blank is subjected to a temperature of two hundred plus / minus fifty degrees Celsius in one or the first hot press stage.
- the blank in the first hot press stage is subjected to a temperature of about two hundred and ten plus / minus ten degrees Celsius.
- a further preferred embodiment of the method is characterized in that the blank is subjected to a temperature of two hundred and fifty plus / minus fifty degrees Celsius or of two hundred and eighty plus / minus fifty degrees Celsius in one or the second hot press stage.
- the experiments and studies carried out in the present invention have found that it is particularly advantageous when the blank in the second hot press stage is exposed to a temperature of about two hundred and eighty plus or minus twenty degrees Celsius.
- the invention also relates to a friction lining, in particular a dry-running Kupplungsreibbelag, which is prepared according to a method described above from a blank preferably produced by winding.
- the dry clutch friction lining is preferably used in friction clutches.
- the friction clutches are preferably manually or automatically operated friction clutches in motor vehicles.
- the dry friction clutch friction lining according to the invention is used in double clutches of motor vehicles.
- Dry running clutch linings consist for example of resin, rubber, fiber and filler components.
- the dry-running clutch lining comprises, for example, eighteen percent resin, ten percent rubber, thirty percent glass fibers, thirteen percent organic fibers, seven percent copper, four percent crosslinkers, three percent process aids, and fifteen percent fillers. The percentages represent percentages by weight.
- Such Kupplungsreibbeläge are used in particular in friction clutches of motor vehicles.
- the Kupplungsreibbeläge with a metal carrier plate firmly connected as a pad carrier or riveted to a clutch disc to allow in conjunction with a mating partner in a coupled state torque transmission between an engine and a transmission, or disengage with the clutch open.
- a blank or preform is made by winding.
- the blank is received in a hot press mold and pressed in a hot pressing process to a desired shape, wherein a compression of the blank, which is also referred to as a compact takes place.
- the preform or compact which can already be referred to as a friction lining, is still hardened.
- the pressed or friction lining is exposed to a high temperature in an oven for many hours.
- the hardening temperature is, for example, between two hundred and three hundred degrees Celsius.
- the hardening lasts for twenty hours, for example.
- crosslinking of the resin is completed.
- volatile components are expelled during curing.
- the invention relates to the operation hot pressing.
- By adjusting in the hot pressing operation an increase in the coefficient of friction and at the same time a narrowing of the coefficient of friction are achieved.
- the adaptation consists in that a multi-stage hot pressing with different process parameters
- Reibbelagsmaterial Weg is generated, which has a positive effect on the Reibwerty .
- the hot pressing process is divided into two hot pressing stages.
- a first hot pressing step a blank in a hot press mold of a hot press is subjected to about eighty seconds at a temperature of about two hundred and ten degrees centigrade.
- a second hot press step is performed immediately after the first hot press step.
- the blank in the hot press mold of Hot press exposed for about eighty seconds to a temperature of two hundred eighty degrees Celsius.
- the blank which can also be referred to as a molded article or already as a friction lining after hot pressing, is hardened. Hardening then takes place, for example under hot air, in an oven at two hundred to three hundred degrees Celsius.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112016005756.3T DE112016005756A5 (de) | 2015-12-16 | 2016-11-25 | Verfahren zum Herstellen eines Reibbelags |
| CN201680071685.6A CN108368905A (zh) | 2015-12-16 | 2016-11-25 | 用于制造摩擦衬片的方法 |
| JP2018531664A JP2018538494A (ja) | 2015-12-16 | 2016-11-25 | 摩擦フェーシングを製造する方法 |
| KR1020187019646A KR20180096672A (ko) | 2015-12-16 | 2016-11-25 | 마찰 라이닝을 제조하기 위한 방법 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015225356.2 | 2015-12-16 | ||
| DE102015225356.2A DE102015225356A1 (de) | 2015-12-16 | 2015-12-16 | Verfahren zum Herstellen eines Reibbelags |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017101928A1 true WO2017101928A1 (de) | 2017-06-22 |
Family
ID=57609643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2016/200550 Ceased WO2017101928A1 (de) | 2015-12-16 | 2016-11-25 | Verfahren zum herstellen eines reibbelags |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2018538494A (de) |
| KR (1) | KR20180096672A (de) |
| CN (1) | CN108368905A (de) |
| DE (2) | DE102015225356A1 (de) |
| WO (1) | WO2017101928A1 (de) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4239441A1 (de) * | 1992-11-24 | 1994-05-26 | Fichtel & Sachs Ag | Dichtereduzierte Reibmaterialien und Verfahren zu ihrer Herstellung |
| WO2004050319A1 (en) * | 2002-12-03 | 2004-06-17 | Ucar Carbon Company Inc. | Manufacture of carbon/carbon composites by hot pressing |
| DE102009013406A1 (de) | 2008-03-31 | 2009-10-01 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Reibbelag |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0495615A (ja) * | 1990-08-09 | 1992-03-27 | Hitachi Chem Co Ltd | クラッチ被動板およびその製造法 |
| FR2869609B1 (fr) * | 2004-05-03 | 2006-07-28 | Snecma Propulsion Solide Sa | Procede de fabrication d'une piece en materiau composite thermostructural |
| WO2008148366A1 (de) * | 2007-06-08 | 2008-12-11 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Reibbelag |
| DE112008003791A5 (de) * | 2008-01-31 | 2010-12-30 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Reibbelag |
| JP2009242656A (ja) * | 2008-03-31 | 2009-10-22 | Ube Ind Ltd | 摩擦材及び摩擦材用樹脂組成物 |
| CN101633832B (zh) * | 2009-05-31 | 2012-07-04 | 山西晋城无烟煤矿业集团有限责任公司 | 高硫无烟煤制备车用摩擦材料的方法 |
| CN101870438B (zh) * | 2010-06-21 | 2012-05-02 | 临安华龙摩擦材料有限公司 | 双速电动葫芦摩擦制动盘及其制备方法 |
| WO2014050319A1 (ja) * | 2012-09-25 | 2014-04-03 | 株式会社日立ハイテクノロジーズ | 成膜装置および成膜方法 |
| JP6115140B2 (ja) * | 2013-01-15 | 2017-04-19 | 株式会社ジェイテクト | 摺動部材の製造方法およびクラッチプレートの製造方法 |
| CN103756639B (zh) * | 2014-01-26 | 2016-01-20 | 珠海格莱利摩擦材料有限公司 | 一种电机制动器用摩擦材料及其制作方法 |
-
2015
- 2015-12-16 DE DE102015225356.2A patent/DE102015225356A1/de not_active Withdrawn
-
2016
- 2016-11-25 JP JP2018531664A patent/JP2018538494A/ja active Pending
- 2016-11-25 KR KR1020187019646A patent/KR20180096672A/ko not_active Withdrawn
- 2016-11-25 WO PCT/DE2016/200550 patent/WO2017101928A1/de not_active Ceased
- 2016-11-25 CN CN201680071685.6A patent/CN108368905A/zh active Pending
- 2016-11-25 DE DE112016005756.3T patent/DE112016005756A5/de not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4239441A1 (de) * | 1992-11-24 | 1994-05-26 | Fichtel & Sachs Ag | Dichtereduzierte Reibmaterialien und Verfahren zu ihrer Herstellung |
| WO2004050319A1 (en) * | 2002-12-03 | 2004-06-17 | Ucar Carbon Company Inc. | Manufacture of carbon/carbon composites by hot pressing |
| DE102009013406A1 (de) | 2008-03-31 | 2009-10-01 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Reibbelag |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20180096672A (ko) | 2018-08-29 |
| DE112016005756A5 (de) | 2018-08-30 |
| CN108368905A (zh) | 2018-08-03 |
| DE102015225356A1 (de) | 2017-06-22 |
| JP2018538494A (ja) | 2018-12-27 |
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