CN111674021A - Preparation method of equidirectional double-disc winding composite carbon fiber electric heating brake - Google Patents
Preparation method of equidirectional double-disc winding composite carbon fiber electric heating brake Download PDFInfo
- Publication number
- CN111674021A CN111674021A CN202010527941.6A CN202010527941A CN111674021A CN 111674021 A CN111674021 A CN 111674021A CN 202010527941 A CN202010527941 A CN 202010527941A CN 111674021 A CN111674021 A CN 111674021A
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- China
- Prior art keywords
- carbon fiber
- electric heating
- brake
- composite carbon
- composite
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- 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.)
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Classifications
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- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
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- 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
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
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- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/16—Frictional elements, e.g. brake or clutch linings
-
- 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
- C08K2201/001—Conductive additives
-
- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
Abstract
The invention provides a preparation method of a homodromous double-coiling linear composite carbon fiber electric heating brake. The composite carbon fiber electrothermal brake is obtained by compounding carbon fibers and silicon resin and pre-storing a certain strain energy from the outside. The invention provides a new structure method of a homodromous double-coiling linear composite carbon fiber electric heating brake, and the prepared homodromous double-coiling linear composite carbon fiber electric heating brake has the technical and economic advantages of large braking stroke.
Description
Technical Field
The invention relates to the technical field of brake preparation by using carbon-based composite materials, in particular to a novel structural method for preparing a homodromous double-coiled linear composite carbon fiber electric heating brake.
Background
The brake has wide application, and the types of brakes developed at present include electrostriction, magnetostriction, piezoelectric braking, pneumatic braking, shape memory braking and electrochemical braking. In the braking mechanism, there have been developed: utilizing anisotropic thermal expansion performance, phase change volume expansion, ion migration swelling, photo-thermal effect capacitance effect, pressure increase and decrease effect and the like. The research hot spots at home and abroad on various brakes mainly focus on the aspects of improving the braking effect, reducing the input power, improving the reliability and stability of braking and the like.
The invention provides a novel structural method for preparing a homodromous double-coiling linear composite carbon fiber electric heating brake, and the homodromous double-coiling linear composite carbon fiber electric heating brake with a large braking stroke is obtained.
Disclosure of Invention
The purpose of the invention is: the novel structural method for preparing the equidirectional double-coiled linear composite carbon fiber electrothermal brake is provided, the equidirectional double-coiled linear composite carbon fiber electrothermal brake with a large braking stroke is obtained, and the performance and the reliability of the brake are improved.
The technical concept principle of the invention is as follows: the conductive performance and the mechanical property of the carbon fiber are coupled with the thermal expansion performance of the silicon resin, and the composite carbon fiber is twisted under a proper variable load and is coiled for 2 times to form the equidirectional double-coiling linear composite carbon fiber electrothermal brake with a large braking stroke. Based on the principle, the technical scheme for realizing the invention is as follows:
(a) putting the carbon fiber bundle on a glass rod and mechanically rubbing the carbon fiber bundle repeatedly until the carbon fiber bundle is mechanically dispersed;
(b) preparing silicon resin according to a proportion, coating the silicon resin on the carbon fiber bundles after mechanical dispersion, and then wiping off redundant silicon resin in a mechanical friction mode;
(c) suspending the prepared carbon fiber-silicon resin compound in air for chelation and solidification for more than 6 hours;
(d) fixing one end of the chelated and cured composite fiber, adding a proper amount of variable load to the other end of the chelated and cured composite fiber, and then twisting the composite fiber clockwise or anticlockwise until the composite carbon fiber passes through the 2-turn homodromous double-disc winding-shaped composite carbon fiber electric heating brake.
The main creativity of the invention is as follows: the electric conductivity and mechanical property of the carbon fiber and the thermal expansion property of the silicon resin are fully utilized, the novel structure of the equidirectional double-disc winding composite carbon fiber electric heating brake is realized, and the preparation process is easy to regulate and control.
Compared with the prior art, the invention has the following main advantages: the equidirectional double-coiled linear composite carbon fiber electric heating brake prepared by the method has the technical and economic advantages of large braking stroke, simple preparation equipment and low cost.
Detailed Description
Example 1 was carried out:
(a) taking a carbon fiber bundle with the length of 10cm and the diameter of about 0.35mm, putting the carbon fiber bundle on a glass rod, and forcefully performing reciprocating mechanical friction until the carbon fiber bundle is mechanically dispersed;
(b) silicone rubber compounds a and B, trademarks of Mold Max 25, were prepared as 100A: 5B, uniformly mixing the components in a mass ratio, coating the silicon resin on the carbon fiber bundles after mechanical dispersion, and then erasing redundant silicon resin in a mechanical friction mode;
(c) suspending the prepared carbon fiber-silicon resin compound in air for chelation and solidification for more than 6 hours;
(d) fixing one end of the chelate-cured composite fiber, adding 25g of load to the other end of the chelate-cured composite fiber, and twisting clockwise until the 1 st turn of the composite carbon fiber is coiled, replacing the load of the chelate-cured composite fiber by 15g, and twisting clockwise until the 2 nd turn of the composite carbon fiber is coiled, thereby forming the homodromous double-coiling linear composite carbon fiber electric heating brake.
The braking performance test shows that: when 8V/0.05Hz square wave voltage is applied to the sample and the load is 26g, the braking stroke can reach 34 +/-3 percent.
Example 2 was carried out:
(a) taking a carbon fiber bundle with the length of 10cm and the diameter of about 0.35mm, putting the carbon fiber bundle on a glass rod, and forcefully performing reciprocating mechanical friction until the carbon fiber bundle is mechanically dispersed;
(b) silicone rubber compounds a and B, under the trade name Ecoflex 00-50, were compounded as 1A: 1B, uniformly mixing the components in a mass ratio, coating the silicon resin on the carbon fiber bundles after mechanical dispersion, and then erasing redundant silicon resin in a mechanical friction mode;
(c) suspending the prepared carbon fiber-silicon resin compound in air for chelation and solidification for more than 6 hours;
(d) fixing one end of the chelate-cured composite fiber, adding 25g of load to the other end of the chelate-cured composite fiber, and twisting clockwise until the 1 st turn of the composite carbon fiber is coiled, replacing the load of the chelate-cured composite fiber by 15g, and twisting clockwise until the 2 nd turn of the composite carbon fiber is coiled, thereby forming the homodromous double-coiling linear composite carbon fiber electric heating brake.
The braking performance test shows that: when 8V/0.05Hz square wave voltage is applied to the sample and the load is 26g, the braking stroke of the sample can reach 36 +/-3%.
Claims (1)
1. A new structural method for preparing homodromous double-coiling linear composite carbon fiber electric heating brake is characterized in that (a) carbon fiber bundles are dispersed in a mechanical friction mode, after being coated with silicon resin, redundant silicon resin is erased in a mechanical friction mode, and then the carbon fiber electric heating brake is hung in the air to be chelated and cured for more than 6 hours to obtain a uniform carbon fiber-silicon resin composite; (b) one end of the chelate-cured composite fiber is fixed, and the other end of the chelate-cured composite fiber is twisted clockwise or anticlockwise in a variable load mode, so that 2 rounds of equidirectional coiling of the composite carbon fiber are realized, and the equidirectional double-coiled linear composite carbon fiber electric heating brake is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010527941.6A CN111674021A (en) | 2020-06-11 | 2020-06-11 | Preparation method of equidirectional double-disc winding composite carbon fiber electric heating brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010527941.6A CN111674021A (en) | 2020-06-11 | 2020-06-11 | Preparation method of equidirectional double-disc winding composite carbon fiber electric heating brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111674021A true CN111674021A (en) | 2020-09-18 |
Family
ID=72454517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010527941.6A Pending CN111674021A (en) | 2020-06-11 | 2020-06-11 | Preparation method of equidirectional double-disc winding composite carbon fiber electric heating brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111674021A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008166641A (en) * | 2007-01-04 | 2008-07-17 | Oita Univ | Expanded carbon fiber composite material for electromagnetic shield with thermal conductivity and electric conductivity, and manufacturing method thereof |
| CN101958394A (en) * | 2009-07-17 | 2011-01-26 | 鸿富锦精密工业（深圳）有限公司 | Electrostriction composite material and electrostriction element |
| CN105003405A (en) * | 2012-08-01 | 2015-10-28 | 德克萨斯州大学系统董事会 | Coiled and non-coiled twisted nanofiber yarn and polymer fiber torsional and tensile actuators |
| CN106561083A (en) * | 2015-08-04 | 2017-04-12 | 松下知识产权经营株式会社 | Actuator |
| CN107076235A (en) * | 2014-10-10 | 2017-08-18 | 派特欧赛拉米克斯股份公司 | The brake disc that the method for brake disc is manufactured with fibre reinforced materials and is manufactured in this way |
| CN109282137A (en) * | 2017-07-21 | 2019-01-29 | 航天特种材料及工艺技术研究所 | A kind of high temperature high voltage resistant composite polyimide material gas cylinder and preparation method thereof |
| CN110100097A (en) * | 2017-11-30 | 2019-08-06 | 松下知识产权经营株式会社 | Actuator, actuator devices and massage apparatus |
| CN110715006A (en) * | 2019-11-14 | 2020-01-21 | 杭州临安华龙摩擦材料有限公司 | Friction plate for light mechanical brake disc and preparation method thereof |
-
2020
- 2020-06-11 CN CN202010527941.6A patent/CN111674021A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008166641A (en) * | 2007-01-04 | 2008-07-17 | Oita Univ | Expanded carbon fiber composite material for electromagnetic shield with thermal conductivity and electric conductivity, and manufacturing method thereof |
| CN101958394A (en) * | 2009-07-17 | 2011-01-26 | 鸿富锦精密工业（深圳）有限公司 | Electrostriction composite material and electrostriction element |
| CN105003405A (en) * | 2012-08-01 | 2015-10-28 | 德克萨斯州大学系统董事会 | Coiled and non-coiled twisted nanofiber yarn and polymer fiber torsional and tensile actuators |
| CN107076235A (en) * | 2014-10-10 | 2017-08-18 | 派特欧赛拉米克斯股份公司 | The brake disc that the method for brake disc is manufactured with fibre reinforced materials and is manufactured in this way |
| CN106561083A (en) * | 2015-08-04 | 2017-04-12 | 松下知识产权经营株式会社 | Actuator |
| CN109282137A (en) * | 2017-07-21 | 2019-01-29 | 航天特种材料及工艺技术研究所 | A kind of high temperature high voltage resistant composite polyimide material gas cylinder and preparation method thereof |
| CN110100097A (en) * | 2017-11-30 | 2019-08-06 | 松下知识产权经营株式会社 | Actuator, actuator devices and massage apparatus |
| CN110715006A (en) * | 2019-11-14 | 2020-01-21 | 杭州临安华龙摩擦材料有限公司 | Friction plate for light mechanical brake disc and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王琪民等: "《微机电系统工程基础》", 31 January 2010, 中国科学技术大学出版社 * |
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