CN113352598B - Three-dimensional forming method of brake disc preform - Google Patents
Three-dimensional forming method of brake disc preform Download PDFInfo
- Publication number
- CN113352598B CN113352598B CN202110533165.5A CN202110533165A CN113352598B CN 113352598 B CN113352598 B CN 113352598B CN 202110533165 A CN202110533165 A CN 202110533165A CN 113352598 B CN113352598 B CN 113352598B
- Authority
- CN
- China
- Prior art keywords
- brake disc
- layers
- dimensional
- preform
- forming
- 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.)
- Active
Links
Images
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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
-
- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
Abstract
The invention relates to a three-dimensional forming method of a brake disc preform, which comprises the steps of obtaining a three-dimensional model of the brake disc preform according to the structural characteristics, the service performance requirements and the like of a brake disc, carrying out layering processing to obtain data information such as the outline and the scanning path of each layer, forming each layer by using a composite material additive manufacturing technology, reserving the arrangement position of a Z-direction reinforcing material in the forming process, and connecting the layers together through the Z-direction reinforcing material to obtain the three-dimensional brake disc preform. The brake disc preform prepared by the three-dimensional forming method provided by the invention is introduced with continuous Z-direction reinforcing materials in the axial direction, penetrates through the thickness direction of the brake disc, improves the heat conductivity of the friction surface, realizes the rapid cooling of the friction surface, has better comprehensive mechanical properties, greatly prolongs the service life of the brake disc, and simultaneously adopts a composite forming method of composite material three-dimensional forming and additive manufacturing to realize the efficient and accurate manufacturing of the brake disc with a complex structure on the basis of ensuring the forming precision and forming quality of the brake disc preform.
Description
Technical Field
The invention relates to the field of composite materials, in particular to a three-dimensional forming method of a brake disc preform.
Background
The reliability of mechanical equipment such as airplanes, tanks, trains, automobiles and the like and the safety of operators are directly related to the performance of the equipment braking system, particularly, along with the development of science and technology, the running speed of fighters, trains, automobiles and the like is faster and faster, and the requirement on the safe braking distance is shorter and shorter, so that the requirement on the performance of a brake disc of the braking system is more and more strict.
Brake materials have undergone a long development since 1987 to date with cotton-reinforced resin brake pads, including asbestos materials, metal materials, powder metallurgy materials, C/C composite materials, ceramic composite materials, and the like. Among them, the C/C composite material and the fiber reinforced ceramic composite material have the advantages of low density, high temperature resistance, wear resistance, long service life and the like, and become the key points of the research and exploration of the brake material in the future. At present, 3 types of forming technologies for preparing C/C composite materials and fiber reinforced ceramic composite material brake discs mainly exist, namely a short fiber die pressing forming technology, a carbon cloth lamination forming technology and a needling technology. The carbon fibers in the prefabricated body prepared by the short fiber die-pressing forming technology are randomly oriented, the mechanical property is low, and the service life is short; the prefabricated body prepared by the carbon cloth lamination forming technology has low interlayer strength and poor axial heat conduction; the preform prepared by the needling technology contains a certain proportion of Z-direction fibers, improves the interlayer strength and improves the axial heat conduction of the brake disc, and is the main choice of brake materials at home and abroad at present.
The invention provides a three-dimensional forming method of a brake disc preform, which realizes the integral forming of the brake disc preform with a three-dimensional structure by a composite material additive manufacturing technology and a three-dimensional weaving composite forming means, on one hand, Z-direction fibers introduced penetrate through the thickness direction of the brake disc, the heat conductivity of the brake disc on a vertical friction surface is further improved, the rapid cooling of the friction surface is realized, and the three-dimensional structure preform has higher interlaminar shear strength relative to a short fiber preform, a carbon cloth laminated preform and a needling preform, and the service life of the brake disc is greatly prolonged; on the other hand, the high-performance brake disc with a complex structure can be efficiently and accurately manufactured by adopting a composite forming method of printing and three-dimensional weaving.
Disclosure of Invention
Aiming at the urgent requirements of higher and higher braking performance and longer service life of a brake disc for high-end mechanical equipment, the invention aims to provide a three-dimensional forming method of a brake disc preform, which can realize the efficient and accurate manufacturing of the high-performance brake disc on the basis of improving the braking performance and the service life of the brake disc by utilizing the accuracy of a composite material additive manufacturing technology and the high efficiency of a composite material three-dimensional weaving forming technology.
In order to achieve the purpose, the three-dimensional forming method of the brake disc preform comprises the following specific steps:
firstly, establishing a three-dimensional CAD model of a brake disc to obtain a three-dimensional model of a brake disc prefabricated body;
carrying out layering processing according to the use requirement of the brake disc and a three-dimensional model of the brake disc preform to obtain profile data, scanning path data, materials and material proportioning data of 1-n layers of the preform;
selecting a specified material to print the layers 1-i according to the contour data of the layers 1-i of the brake disc and the scanning path data, reserving a corresponding Z-direction channel I in the printing process according to the layout design of the Z-direction reinforced material in the three-dimensional model, wherein the channel I penetrates through the layers 1-i;
selecting a specified Z-direction reinforcing material I, connecting the printed 1-i layers through a reserved Z-direction channel, and reserving a part of the channel in the Z-direction channel I in the 1-i layers for connecting with a subsequent printing layer;
fifthly, selecting a designated material to print the i-n layers according to the profile data and the scanning path data of the i-n layers of the brake disc, and reserving a Z-direction channel II at the corresponding position in the i-n layers;
sixthly, selecting a designated Z-direction reinforcing material II, connecting the i-n layers through a reserved Z-direction channel II, reserving a part of channels in the Z-direction channel II in the i-n layers for connecting with the 1-i layers;
seventhly, selecting a specified Z-direction reinforcing material III to connect the layers from 1 to n through a part of reserved channels in the Z-direction channel I and a part of reserved channels in the Z-direction channel II;
and removing the resin in the brake disc preform to obtain a full-fiber brake disc preform with a three-dimensional structure, and completing the three-dimensional forming of the brake disc preform.
Furthermore, each layer of the 1-n layers obtained by layering processing is independently printed, and the profile data, the scanning path data, the materials and the material proportioning data of each layer are the same or different.
Further, when the same layer is printed, the number of printing materials used simultaneously is one or more.
Further, the Z-direction reinforcing materials connecting different printed layers are the same or different, and the Z-direction reinforcing materials are continuous fibers or fiber reinforced composite wires.
Further, when printing the i to n layers, the printing may be performed independently, or may be performed on a preform of 1 to i layers to which the Z-direction reinforcing material is attached.
The technical scheme of the invention has the following beneficial effects:
1. the brake disc preform prepared by the invention has a three-dimensional structure, Z-direction fibers penetrate through the thickness direction of the brake disc, so that the axial heat conduction is facilitated, the friction surface temperature is rapidly reduced, and the heat conduction effect is good.
2. The brake disc with the three-dimensional structure prepared by the invention has better isotropic performance, the fibers parallel to the friction surface can improve the friction performance and reduce the wear rate, the Z-direction fibers reduce the temperature of the friction surface, prevent local overheating, improve the interlayer strength of the brake disc and improve the wear resistance.
3. By adopting the three-dimensional forming method, on one hand, the flexibility of the forming method is improved by utilizing the additive manufacturing technology, the forming precision and the forming quality of the brake disc preform are ensured, and on the other hand, the high-efficiency and accurate manufacturing of the brake disc with a complex structure can be realized by utilizing the designability and the high efficiency of the composite material three-dimensional weaving forming technology.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a solid brake disc preform;
FIG. 2 is a schematic view of a ventilated brake disc preform;
1-printing layer fiber, 2-Z direction fiber, 3-air duct, 4-reinforcing rib, 5-disk a, 6-disk b.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The invention will be described in detail below with reference to the accompanying drawings and examples.
Example 1
Referring to the schematic diagram of the solid brake disc preform shown in fig. 1, the three-dimensional forming method of the brake disc preform of the present invention comprises the following steps:
establishing a three-dimensional CAD model of the solid brake disc to obtain a three-dimensional CAD model of a prefabricated body;
according to the performance requirement of the brake disc, carrying out layering processing on the three-dimensional model of the prefabricated body, dividing 60 layers totally, and obtaining contour data of 60 layers of the prefabricated body, in-plane fiber scanning path data, materials and material proportioning data;
selecting carbon fiber/polypropylene composite wire materials to print the prefabricated body, and reserving the arrangement position of the Z-direction reinforcing material according to a scanning path;
fourthly, forming a channel at the reserved Z-direction arrangement position along the thickness direction of the prefabricated body until 60 layers of printing are finished;
selecting continuous carbon fiber bundles with 12K specification, sequentially passing through the reserved Z-direction channel, and connecting 60 layers of printing layers;
and sixthly, removing the polypropylene resin in the prefabricated body by using high temperature to obtain a full-fiber three-dimensional structure prefabricated body, and finishing the three-dimensional forming of the brake disc prefabricated body.
Example 2
Referring to the schematic diagram of the ventilated brake disc preform shown in fig. 2, the three-dimensional forming method of the brake disc preform of the present invention comprises the following steps:
firstly, establishing a three-dimensional CAD model of a ventilation brake disc with an air duct (3) to obtain a three-dimensional CAD model of a prefabricated body;
dividing the prefabricated body into a disc a (5), a reinforcing rib (4) and a disc b (6) according to the three-dimensional structural characteristics of the prefabricated body, carrying out layering treatment on the three structures, and dividing the three structures into 60 layers in total to obtain profile data, fiber scanning path data, materials and material proportioning data of each layer;
thirdly, selecting the silicon carbide/PLA composite filament to print the disc a (5), sequentially finishing printing of 1-20 layers, and reserving the arrangement position of the Z-direction fiber according to a scanning path;
selecting carbon fibers to connect 1-20 layers, reserving a Z-direction channel in a region corresponding to the reinforcing rib (4) on the disc a (5), and temporarily not filling the Z-direction fibers;
printing reinforcing ribs (4) by taking the disc a (5) connected with the Z-direction carbon fibers as a substrate, sequentially finishing 21-40 layers of printing, and reserving Z-direction fiber arrangement positions in 21-40 layers according to the Z-direction fiber arrangement positions reserved in the reinforcing rib area on the disc a (5);
sixthly, selecting the silicon carbide/PLA composite yarn to print the disc b (6), sequentially finishing printing of 41-60 layers, and reserving the arrangement position of Z-direction fibers in the 41-60 layers;
seventhly, selecting carbon fibers to connect 41-60 layers, reserving a Z-direction channel in a region corresponding to the reinforcing rib (4) on the disc b (6), and temporarily not filling the Z-direction fibers;
selecting carbon fibers to connect 1-60 layers through a Z-direction channel reserved in the area of the disc a (5), the reinforcing ribs (4) and the disc b (6);
ninthly, removing the PLA resin in the prefabricated body, obtaining a full-fiber three-dimensional structure prefabricated body, and finishing the three-dimensional forming of the ventilation brake disc prefabricated body.
The above embodiments are further illustrative of the present invention, and should not be construed as limiting the scope of the above-described subject matter of the present invention to only the above embodiments.
Claims (5)
1. A three-dimensional forming method of a brake disc preform is characterized by comprising the following specific steps:
1) establishing a three-dimensional CAD model of the brake disc to obtain a three-dimensional model of a brake disc prefabricated body;
2) according to the using requirement of the brake disc and the three-dimensional model of the brake disc preform, carrying out layering processing to obtain contour data, scanning path data, materials and material proportioning data of 1-n layers of the brake disc preform;
3) selecting a specified material to perform 1-i layer printing according to the contour data and the scanning path data of 1-i layers of the brake disc, and reserving a first Z-direction channel of 1-i layers;
4) selecting a specified Z-direction reinforcing material I, connecting the 1-i layers through a reserved Z-direction channel I of the 1-i layers, reserving a part of channel in the Z-direction channel I of the 1-i layers for connecting with a subsequent printing layer;
5) selecting a designated material to print the i-n layers according to the profile data and the scanning path data of the i-n layers of brake discs, and reserving a Z-direction channel II of the i-n layers;
6) selecting a designated Z-direction reinforcing material II, connecting the i-n layers through a reserved Z-direction channel II, and reserving partial channels in the i-n layers of Z-direction channels II;
7) selecting a designated Z-direction reinforcing material III to connect the layers from 1 to n through a part of the reserved Z-direction channel I and a part of the reserved Z-direction channel II;
8) and removing the resin in the brake disc preform to finish the three-dimensional forming of the brake disc preform.
2. The method of claim 1, wherein each layer of the brake disc preform is printed independently, and the profile data, scan path data, material and material composition data for each layer are the same or different.
3. The method for three-dimensionally forming a brake disc preform according to claim 1, wherein the number of the materials to be simultaneously printed is one or more when the designated materials are selected for printing on the same layer.
4. The method for three-dimensional forming of a brake disc preform according to claim 1, wherein the Z-direction reinforcement material connecting different printed layers is the same or different, and the Z-direction reinforcement material is a continuous fiber or a fiber-reinforced composite wire.
5. The method for three-dimensionally forming a brake disc preform according to claim 1, wherein the printing of i-n layers is performed separately from the printing of 1-i layers, or is performed continuously on a 1-i layer basis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110533165.5A CN113352598B (en) | 2021-05-17 | 2021-05-17 | Three-dimensional forming method of brake disc preform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110533165.5A CN113352598B (en) | 2021-05-17 | 2021-05-17 | Three-dimensional forming method of brake disc preform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113352598A CN113352598A (en) | 2021-09-07 |
| CN113352598B true CN113352598B (en) | 2022-05-24 |
Family
ID=77526454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110533165.5A Active CN113352598B (en) | 2021-05-17 | 2021-05-17 | Three-dimensional forming method of brake disc preform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113352598B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248437A (en) * | 2021-11-30 | 2022-03-29 | 吉林大学 | 3D printing method for continuous fiber woven body reinforced fiber composite material |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2808174A1 (en) * | 1978-02-25 | 1979-09-06 | Luk Lamellen & Kupplungsbau | Friction lining for brakes and clutches - comprises wear-resistant ply and base layer, incorporating resinous binder, loose asbestos fibres and heat-stabilisers |
| US8580169B2 (en) * | 2009-07-17 | 2013-11-12 | Carbon Fibre Preforms Ltd | Fibre matrix and a method of making a fibre matrix |
| US10300631B2 (en) * | 2015-11-30 | 2019-05-28 | Honeywell International Inc. | Carbon fiber preforms |
| US11655870B2 (en) * | 2019-10-08 | 2023-05-23 | Honeywell International Inc. | Method for manufacturing composite fiber preform for disc brakes |
| CN110981517B (en) * | 2019-12-17 | 2023-08-25 | 湖南金博碳素股份有限公司 | Preparation method and application of carbon ceramic composite material and needling mechanism for preparation |
-
2021
- 2021-05-17 CN CN202110533165.5A patent/CN113352598B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113352598A (en) | 2021-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102909905B (en) | Composite thermally-conductive thin layer and preparation method and application thereof | |
| Erden et al. | Fiber reinforced composites | |
| Chen et al. | Three-dimensional needle-punching for composites–A review | |
| US20190061238A1 (en) | Continuous fiber-reinforced component fabrication | |
| CN106518127B (en) | Resin in-situ carbonization to form carbon-carbon composites | |
| US10399657B2 (en) | Fibre-reinforced metal component for an aircraft or spacecraft and production methods for fibre-reinforced metal components | |
| EP3009468B1 (en) | Placement of modifier material in resin-rich pockets to mitigate microcracking in a composite structure | |
| CN106142384B (en) | Carbon fiber prefabricated part | |
| CN113352598B (en) | Three-dimensional forming method of brake disc preform | |
| EP3095593A1 (en) | 3d printed carbon fiber preforms | |
| CN112848543B (en) | Carbon fiber preform for carbon ceramic brake disc and preparation method and application thereof | |
| EP3444294B1 (en) | Fiber-reinforced resin intermediate material, fiber-reinforced resin molded article and method for producing fiber-reinforced resin intermediate material | |
| JP2017128705A (en) | Carbon fiber sheet material, prepreg, laminate, molded body and method for manufacturing them | |
| CN110563977A (en) | composite fiber cloth, preparation method thereof and composite material | |
| CN105965989B (en) | A kind of preparation method of Carbon fibe reinforced resin composite material | |
| CN105835481A (en) | Interlaminar reinforced fiber composite material and manufacturing method thereof | |
| CN110591330A (en) | Composite fiber material and preparation method and application thereof | |
| JP2013209281A (en) | Carbon-fiber-reinforced silicon-carbide-based composite material and braking material | |
| CN108973250A (en) | A kind of fiber-reinforced resin honeycomb sandwich structure composite material and preparation method | |
| Krenkel | Design of ceramic brake pads and disks | |
| CN111434483A (en) | Metal lining braided composite material for vehicle and preparation method and application thereof | |
| CN115179609B (en) | Light dredging heat-proof and heat-insulating composite material and preparation method thereof | |
| US20120156460A1 (en) | Porous, carbon-containing preform and process for producing the same | |
| US10160170B2 (en) | Methods to fabricate needled preforms with randomly oriented short length carbon fibers | |
| CN213899689U (en) | Prefabricated body of aircraft brake disc |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |