CN110509013A - The processing method of brake disc - Google Patents
The processing method of brake disc Download PDFInfo
- Publication number
- CN110509013A CN110509013A CN201910826231.0A CN201910826231A CN110509013A CN 110509013 A CN110509013 A CN 110509013A CN 201910826231 A CN201910826231 A CN 201910826231A CN 110509013 A CN110509013 A CN 110509013A
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- China
- Prior art keywords
- brake disc
- semi
- finished
- box body
- drill bit
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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.)
- Pending
Links
- 238000003672 processing method Methods 0.000 title abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000005553 drilling Methods 0.000 claims abstract description 17
- 238000010422 painting Methods 0.000 claims abstract description 12
- 238000001962 electrophoresis Methods 0.000 claims abstract description 9
- 238000010791 quenching Methods 0.000 claims abstract description 9
- 230000000171 quenching effect Effects 0.000 claims abstract description 9
- 238000007493 shaping process Methods 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 238000005498 polishing Methods 0.000 claims description 10
- 238000003754 machining Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 239000003973 paint Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 238000003698 laser cutting Methods 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 abstract 1
- 238000005457 optimization Methods 0.000 abstract 1
- 230000035515 penetration Effects 0.000 abstract 1
- 239000011265 semifinished product Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of processing methods of brake disc, comprising: step a, brake disc woollen cuts cutting；Step b, drilling processing is carried out to brake disc woollen using numerically-controlled machine tool；Step c, quenching shaping is carried out to the brake disc semi-finished product after drilling；Step d, electrophoresis painting；Step e, grinding process is carried out to brake disc surface of semi-finished using sander；Step f, cleaning is packed after checking.The processing method of the brake disc is easy to operate, is easily mastered, and improves the penetration rate of brake disc inhomogeneity type hole, saves process time, had not only guaranteed mechanical strength but also mitigated overall weight, significantly optimization entrucking effect.
Description
Technical Field
The invention relates to the field of bicycle production and processing, in particular to a method for processing a brake disc.
Background
The brake disc is a necessary component in all vehicle braking systems, and is generally fixed with an axle, when braking, the brake disc is pressed by the brake block under the pushing of the jaw piston, and the rotating speed of the wheel is reduced through the friction force between the brake block and the brake disc, so that the vehicle is braked.
For bicycles, especially mountain bikes, the weight of the bicycle body greatly influences the handling performance during riding, and the bicycle body is heavy, which causes heavy climbing load of a rider. The brake disc of most bicycles on the market is made of steel, and in the using process, the brake disc needs to be worn for a long time, and in order to ensure the use strength and the durability of the brake disc, the brake disc usually needs to reach enough thickness, so that the weight of the brake disc is increased, the total weight of a bicycle body is increased, and the operation performance of the bicycle is adversely affected.
Disclosure of Invention
The invention aims to provide a method for machining a brake disc, which is convenient to operate and easy to master, improves the drilling speed of different types of holes of the brake disc, saves the machining time, ensures the mechanical strength, reduces the overall weight and greatly optimizes the loading effect.
In order to achieve the purpose, the invention provides a method for processing a brake disc, which comprises the following steps:
step a, cutting brake disc blanks;
b, drilling the brake disc blanks by using a numerical control machine;
c, quenching and shaping the drilled semi-finished brake disc;
d, electrophoresis painting;
e, polishing the surface of the semi-finished brake disc by using a polishing machine;
and f, cleaning, checking and packaging.
Preferably, laser cutting blanking is adopted in the step a.
Preferably, a rotary drill bit assembly is mounted on the numerical control machine tool, and different drill bits are used for drilling the brake disc blanks through rotary adjustment of the rotary drill bit assembly.
Preferably, the rotary drill bit assembly comprises a rotary box body, a movable telescopic arm and a plurality of drill bits; wherein,
the rotary box body is rotatably arranged at one end of the movable telescopic arm, and the other end of the movable telescopic arm is fixedly connected to the inner side wall or the inner top wall of the numerical control machine; the drill bit penetrates through the side wall of the rotary box body and extends to the inside to be detachably connected with a drill bit seat which is arranged in the rotary box body and is driven by a motor, and the drill bits are arranged at intervals along the circumferential direction; the movable telescopic arm can movably extend to the top of the brake disc blank by moving or telescopically driving the rotary box body, and the required drill bit can be adjusted to the vertical direction and is close to the brake disc blank to be processed and operated by rotating the rotary box body.
Preferably, the plurality of drills includes a plurality of twist drills, spade drills, deep hole drills, reamers and countersinks of different diameter ranges.
Preferably, step c comprises: firstly, placing a semi-finished brake disc on a conveyor belt, sending the semi-finished brake disc into a mesh belt furnace for heat treatment, taking out the semi-finished brake disc after the heat treatment is finished, and cooling the semi-finished brake disc to room temperature; then, tempering the semi-finished brake disc; and finally, leveling the semi-finished brake disc by using a leveling die.
Preferably, the step d comprises the step of performing electrophoretic painting on the semi-finished brake disc by using an electrophoretic painting device so as to form an electrophoretic paint film protective layer on the surface of the semi-finished brake disc.
According to the technical scheme, firstly, the brake disc blanks are cut and cut; then, drilling the brake disc blanks by using a numerical control machine; then, carrying out quenching and shaping on the drilled semi-finished brake disc; then, electrophoresis painting is carried out; then, polishing the surface of the semi-finished brake disc product by using a polishing machine; and finally, cleaning, checking and packaging. Therefore, after the drilling treatment, the whole weight of the brake disc can be reduced, and the heat dissipation and noise reduction capability of the brake disc is improved; the mechanical property of the brake disc can be improved by quenching and shaping, the hardness and the wear resistance of the brake disc are increased, so that the brake disc can have good mechanical strength, is durable, and achieves the purposes of reducing the total weight of the bicycle, improving the control performance of the bicycle and reducing the shaking during braking. The electrophoresis can form a layer of paint protective film on the surface of the brake disc so as to improve the corrosion resistance of the brake disc and prolong the service life.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which 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 principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a method for machining a brake disc according to an embodiment of the invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, the directional words "upper, lower, far, near" and the like included in the terms merely represent the orientation of the terms in a conventional use state or are colloquially understood by those skilled in the art, and should not be construed as limiting the terms.
Referring to fig. 1, the invention provides a method for processing a brake disc, which comprises the following steps:
step a, cutting brake disc blanks;
b, drilling the brake disc blanks by using a numerical control machine;
c, quenching and shaping the drilled semi-finished brake disc;
d, electrophoresis painting;
e, polishing the surface of the semi-finished brake disc by using a polishing machine;
and f, cleaning, checking and packaging.
According to the technical scheme, firstly, the brake disc blanks are cut; then, drilling the brake disc blanks by using a numerical control machine; then, carrying out quenching and shaping on the drilled semi-finished brake disc; then, electrophoresis painting is carried out; then, polishing the surface of the semi-finished brake disc product by using a polishing machine; and finally, cleaning, checking and packaging. Therefore, after the drilling treatment, the whole weight of the brake disc can be reduced, and the heat dissipation and noise reduction capability of the brake disc is improved; the mechanical property of the brake disc can be improved by quenching and shaping, the hardness and the wear resistance of the brake disc are increased, so that the brake disc can have good mechanical strength, is durable, and achieves the purposes of reducing the total weight of the bicycle, improving the control performance of the bicycle and reducing the shaking during braking. The electrophoresis can form a layer of paint protective film on the surface of the brake disc so as to improve the corrosion resistance of the brake disc and prolong the service life.
In the embodiment, in order to enable the cutting of the brake disc blank to be faster, more efficient and smoother and ensure the production rhythm, preferably, laser cutting blanking is adopted in the step a.
Because the same brake disc blank is provided with a plurality of different types of middle holes, mounting holes, fabrication holes and side holes, in order to improve the working efficiency of drilling treatment, preferably, a rotary drill bit assembly is mounted on a numerical control machine tool, and the brake disc blank is drilled by using different drill bits through rotary adjustment of the rotary drill bit assembly.
Further, the rotary drill bit assembly comprises a rotary box body, a movable telescopic arm and a plurality of drill bits; the rotary box body is rotatably arranged at one end of the movable telescopic arm, and the other end of the movable telescopic arm is fixedly connected to the inner side wall or the inner top wall of the numerical control machine tool; the drill bit penetrates through the side wall of the rotary box body and extends to the inside to be detachably connected with a drill bit seat which is arranged in the rotary box body and is driven by a motor, and the drill bits are arranged at intervals along the circumferential direction; the movable telescopic arm can movably extend to the top of the brake disc blank by moving or telescopically driving the rotary box body, and the required drill bit can be adjusted to the vertical direction and is close to the brake disc blank to be processed and operated by rotating the rotary box body.
Thus, the rotating box body is rotatably arranged at one end of the movable telescopic arm, and the other end of the movable telescopic arm is fixedly connected to the inner side wall or the inner top wall of the numerical control machine tool; therefore, the movable telescopic arm is opened to move or stretch, the rotary box body is driven to move, and the steering and stretching are extended to the top of the brake disc blank, so that the layout in the numerical control machine tool is flexibly and conveniently changed. And the drill bit penetrates through the side wall of the rotary box body and extends to the inside to be detachably connected with a drill bit seat which is arranged in the rotary box body and is driven by a motor, and the plurality of drill bits are arranged at intervals along the circumferential direction. By adopting the structure, the required drill bit can be adjusted to the vertical direction and is close to the brake disc blank for drilling through the rotation of the rotary box body. After the drilling operation is finished, the drill bit is continuously and rotationally adjusted to the next drill bit, the telescopic arm is adjusted to the next drilling position through moving to enter the drilling operation, the whole process is convenient and fast, and time and labor are saved.
In order to increase the number of types of drill bits that can be assembled by the rotary drill head assembly, expand the number of types and hole diameters that can be drilled, and optimize the practicability thereof, it is preferable that the plurality of drill bits include a plurality of twist drills, flat drills, deep hole drills, expanding drills, and counter drills having different diameter ranges.
In the above quenching and shaping process, specifically, step c includes: firstly, placing a semi-finished brake disc on a conveyor belt, sending the semi-finished brake disc into a mesh belt furnace for heat treatment, taking out the semi-finished brake disc after the heat treatment is finished, and cooling the semi-finished brake disc to room temperature; then, tempering the semi-finished brake disc; and finally, leveling the semi-finished brake disc by using a leveling die. By the method, the thermal stress generated in the metal is reduced, the hardness is enhanced, and the cracking or the breaking is not easy to occur.
In addition, the step d comprises the step of carrying out electrophoretic painting on the semi-finished brake disc by using an electrophoretic painting device so as to form an electrophoretic paint film protective layer on the surface of the semi-finished brake disc.
Electrophoresis is one of the most effective methods for coating metal workpieces. The electrophoretic coating is a special coating method which comprises the steps of immersing an object to be coated with electric conductivity into an electrophoretic coating tank which is filled with water and diluted and has relatively low concentration to be used as an anode (or a cathode), arranging a cathode (or an anode) corresponding to the object in the tank, and depositing a uniform, fine and water-insoluble coating film on the surface of the object to be coated after direct current is conducted between the two electrodes for a period of time.
The electrophoretic coating can realize complete mechanization and automation, not only lightens the labor intensity, but also greatly improves the labor productivity, and is suitable for a large amount of assembly line operation. The electrophoretic coating has high electrophoretic permeability, the formed coating film is uniform and delicate, and meanwhile, the coating film has strong corrosion resistance, thereby not only being beneficial to environmental protection, but also having good production safety.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (7)
1. A method for processing a brake disc is characterized by comprising the following steps:
step a, cutting brake disc blanks;
b, drilling the brake disc blanks by using a numerical control machine;
c, quenching and shaping the drilled semi-finished brake disc;
d, electrophoresis painting;
e, polishing the surface of the semi-finished brake disc by using a polishing machine;
and f, cleaning, checking and packaging.
2. The method for processing the brake disc according to claim 1, wherein laser cutting blanking is adopted in the step a.
3. The method for machining the brake disc according to claim 1, wherein a rotary drill bit assembly is mounted on the numerical control machine tool, and the rotary drill bit assembly is rotated to adjust the use of different drill bits for drilling the brake disc rough materials.
4. The method for machining a brake disc according to claim 3, wherein the rotary drill head assembly comprises a rotary box, a movable telescopic arm and a plurality of drill bits; wherein,
the rotary box body is rotatably arranged at one end of the movable telescopic arm, and the other end of the movable telescopic arm is fixedly connected to the inner side wall or the inner top wall of the numerical control machine tool; the drill bit penetrates through the side wall of the rotary box body and extends to the inside to be detachably connected with a drill bit seat which is arranged in the rotary box body and driven by a motor, and a plurality of drill bits are arranged at intervals along the circumferential direction; the movable telescopic arm can drive the rotary box body to movably extend to the top of the brake disc blank through movement or stretching, and the drill bit required can be adjusted to be in the vertical direction and close to the brake disc blank to be processed through rotation of the rotary box body.
5. The method for machining a brake disc according to claim 4, wherein the plurality of drills include a plurality of twist drills, spade drills, deep hole drills, reamers, and countersinks having different diameter ranges.
6. The method for machining a brake disc according to claim 1, wherein the step c comprises: firstly, placing a semi-finished brake disc on a conveyor belt, sending the semi-finished brake disc into a mesh belt furnace for heat treatment, taking out the semi-finished brake disc after the heat treatment is finished, and cooling the semi-finished brake disc to room temperature; then, tempering the semi-finished brake disc; and finally, leveling the semi-finished brake disc by using a leveling die.
7. The method for processing the brake disc as claimed in claim 1, wherein the step d comprises the step of performing electrophoretic painting on the semi-finished brake disc by using an electrophoretic painting device so as to form an electrophoretic paint film protective layer on the surface of the semi-finished brake disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826231.0A CN110509013A (en) | 2019-09-03 | 2019-09-03 | The processing method of brake disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826231.0A CN110509013A (en) | 2019-09-03 | 2019-09-03 | The processing method of brake disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110509013A true CN110509013A (en) | 2019-11-29 |
Family
ID=68629572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910826231.0A Pending CN110509013A (en) | 2019-09-03 | 2019-09-03 | The processing method of brake disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110509013A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4067098A (en) * | 1976-04-16 | 1978-01-10 | Kelsey-Hayes Company | Method of manufacturing brake drums |
| CN104439952A (en) * | 2014-11-14 | 2015-03-25 | 浙江王立汽车部件有限公司 | Machining technology for brake discs of motorcycles and electric vehicles |
| CN108655895A (en) * | 2018-07-12 | 2018-10-16 | 凌果 | A kind of automobile brake disc grinding apparatus |
| CN108746722A (en) * | 2018-09-03 | 2018-11-06 | 东至县科创塑料制品有限公司 | A kind of rotary metallic plate perforating device for replacing cutter head |
| CN110026752A (en) * | 2019-05-21 | 2019-07-19 | 浙江隆中机械股份有限公司 | A kind of production technology of bicycle brake hull |
-
2019
- 2019-09-03 CN CN201910826231.0A patent/CN110509013A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4067098A (en) * | 1976-04-16 | 1978-01-10 | Kelsey-Hayes Company | Method of manufacturing brake drums |
| CN104439952A (en) * | 2014-11-14 | 2015-03-25 | 浙江王立汽车部件有限公司 | Machining technology for brake discs of motorcycles and electric vehicles |
| CN108655895A (en) * | 2018-07-12 | 2018-10-16 | 凌果 | A kind of automobile brake disc grinding apparatus |
| CN108746722A (en) * | 2018-09-03 | 2018-11-06 | 东至县科创塑料制品有限公司 | A kind of rotary metallic plate perforating device for replacing cutter head |
| CN110026752A (en) * | 2019-05-21 | 2019-07-19 | 浙江隆中机械股份有限公司 | A kind of production technology of bicycle brake hull |
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Application publication date: 20191129 |