CN113007244A - Self-heat-dissipation wheel brake drum and manufacturing method thereof - Google Patents
Self-heat-dissipation wheel brake drum and manufacturing method thereof Download PDFInfo
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- CN113007244A CN113007244A CN202110191281.3A CN202110191281A CN113007244A CN 113007244 A CN113007244 A CN 113007244A CN 202110191281 A CN202110191281 A CN 202110191281A CN 113007244 A CN113007244 A CN 113007244A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 230000017525 heat dissipation Effects 0.000 claims abstract description 70
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 22
- 238000007731 hot pressing Methods 0.000 claims description 21
- 238000005266 casting Methods 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 4
- 229910001060 Gray iron Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
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- 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
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/10—Drums for externally- or internally-engaging brakes
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- 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
- B23P15/18—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass brake shoes
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- 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
- F16D65/00—Parts or details
- F16D65/78—Features relating to cooling
- F16D65/82—Features relating to cooling for internally-engaging brakes
- F16D65/827—Features relating to cooling for internally-engaging brakes with open cooling system, e.g. cooled by air
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to a brake wheel hub for an automobile, in particular to a self-radiating wheel brake drum and a manufacturing method thereof; the technical scheme for solving the technical problem is as follows: the structure of the automobile wheel brake drum is improved, and a material with excellent heat dissipation performance is preferably selected and combined into the structure, so that the heat dissipation problem of the automobile wheel brake drum is solved, the braking performance of an automobile is stabilized, and the potential safety hazard and unnecessary economic loss of the automobile are reduced; brings good news to the safe driving of the automobile; the self-heat-dissipation wheel brake drum consists of a friction drum and a heat dissipation hoop; the method is characterized in that: the heat dissipation hoop and the friction drum are pressed into a self-heat dissipation wheel brake drum; the heat dissipation problem of the automobile wheel brake drum can be solved, the braking performance of the automobile is stabilized, and the potential safety hazard and unnecessary economic loss of the automobile are reduced; the purpose of bringing good news to the safe driving of the automobile is achieved.
Description
Technical Field
The invention relates to a brake wheel hub for an automobile, in particular to a self-radiating wheel brake drum and a manufacturing method thereof.
Background
The wheel brake drum, also known as brake drum and brake wheel hub, is an iron casting similar to a bell drum in shape, and is fixed with a tyre and synchronously rotates, when an automobile is braked, oil pressure is used for pushing brake shoes to contact the inner wall of the brake drum, and the friction force generated by the contact is used for inhibiting the rotation of the wheel so as to achieve the purpose of braking.
When the automobile brakes, the friction force between the brake shoe and the inner wall of the brake drum is very large, so that the brake drum converts kinetic energy into heat energy, when the load of the automobile is large and the automobile brakes frequently, the temperature of the brake drum is extremely high, the brake shoe is easy to burn, the automobile cannot brake, and the driving safety accident is easy to manufacture; therefore, the heat dissipation problem of the automobile wheel brake drum is solved, the heat dissipation problem is an important measure for stabilizing the automobile brake performance, good news is brought to the automobile safety, and the potential safety hazard and unnecessary economic loss of the automobile are reduced; therefore, the problem of heat dissipation of the automobile wheel brake drum is a good job which is very worthy of being researched.
Disclosure of Invention
The invention provides a self-radiating wheel brake drum and a manufacturing method thereof, which can effectively solve the radiating problem of the wheel brake drum.
In order to solve the problems of the background art, the invention provides a self-radiating wheel brake drum and a manufacturing method thereof through technical attack, experiments, tests and analytical researches.
The technical scheme for solving the technical problem is as follows: the structure of the automobile wheel brake drum is improved, and a material with excellent heat dissipation performance is preferably selected and combined into the structure, so that the heat dissipation problem of the automobile wheel brake drum is solved, the braking performance of an automobile is stabilized, and the potential safety hazard and unnecessary economic loss of the automobile are reduced; brings good news to the safe driving of the automobile.
The self-heat-dissipation wheel brake drum consists of a friction drum and a heat dissipation hoop; the method is characterized in that: the friction drum comprises a disc outer surface, a shaft hole, a conical ring surface, a conical top, a disc body, a connecting mounting hole, a lock hoop buckling groove, a friction ring surface, a friction cavity, a conical ring body A and a disc inner surface; the heat dissipation hoop comprises a heat dissipation fin, a conical ring body B, a conical hole, an inner conical ring surface, an outer conical ring surface, a heat dissipation groove and a riveting ring.
The friction drum consists of a circular disc body and a cone ring body A; the disc body of the friction drum is provided with a shaft hole and a connecting mounting hole; the shaft hole is provided with a shaft pin groove; a plurality of connecting and mounting holes are distributed around the shaft hole in an array manner, and the number of the mounting holes is 3-12; the cone ring body A is an annular wall body; the inner wall of the cone ring body A is a friction ring surface, and the friction ring surface is vertical to the inner surface of the disc body; the cone ring body A and the shaft hole of the disc body have the same axis; the friction ring surface is parallel to the axis of the shaft hole in the disc body; the outer wall surface of the cone ring body A is a tapered cone ring surface, and the cone ring surface and the shaft hole on the disc body have the same axis; the taper of the conical ring surface and the axis of the shaft hole in the disc body is 1: 7-12; the right end of the cone ring body A is a cone top; the top surface of the conical top is parallel to the outer surface of the disc body, and the top surface of the conical top is perpendicular to the axis of the shaft hole in the disc body; the cone ring body A and the cone ring surface have the following functions: the sleeving and the pressing of the heat dissipation hoop are facilitated; the left end of the cone ring body A and the periphery of the disc body are provided with lock hoop buckling grooves, the left angle of the groove bottom of each lock hoop buckling groove is a right angle, the right angle of the groove bottom of each lock hoop buckling groove is 75-136 degrees, and the number of the lock hoop buckling grooves is 1-4; the locking hoop buckling groove of the friction drum is used for locking the heat dissipation hoop after the friction drum and the heat dissipation hoop (2) are combined, so that the friction drum and the heat dissipation hoop cannot be separated after being combined, and the heat dissipation performance is stabilized.
The production method of the invention comprises a production method of the component and a production method of combining the components.
The production method of the assembly comprises a production method of the heat dissipation hoop and a production method of the friction drum.
The invention has the beneficial effects that: the heat dissipation problem of the automobile wheel brake drum can be solved, the braking performance of the automobile is stabilized, and the potential safety hazard and unnecessary economic loss of the automobile are reduced; the purpose of bringing good news to the safe driving of the automobile is achieved; the safety of drivers is promoted, the traffic safety is facilitated, safety accidents are reduced, economic benefits are brought to use units, maintenance cost is saved, energy is saved, the environment is protected, and immeasurable beneficial effects are brought to families, groups, society and countries.
Drawings
FIG. 1 is a front elevational view of a self-dissipating wheel brake drum of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1 in accordance with the present invention.
FIG. 3 is a front elevational view of the friction drum of a self-dissipating wheel brake drum in accordance with the present invention.
Fig. 4 is a sectional view taken along line B-B of fig. 3 in accordance with the present invention.
FIG. 5 is a front elevational view of the heat dissipating band of the self-dissipating wheel brake drum of the present invention.
Fig. 6 is a cross-sectional view taken along line C-C of fig. 5 of the present invention.
Fig. 7 is an enlarged view of the portion I1 of fig. 4 according to the present invention.
Fig. 8 is an enlarged view of the portion I2 of fig. 2 according to the present invention.
Fig. 9 is a schematic view of the pressing direction for combining the components of the present invention.
In the figure, 1, a friction drum; 2. a heat dissipating band; 10. the outside of the disc; 11. a shaft hole; 12. a conical ring surface; 13. a cone top; 14. a disc body; 15. connecting the mounting holes; 16. a lock hoop fastening groove; 17. a friction ring surface; 18. a friction chamber; 19. a cone ring body A; 20. the inner surface of the disc; 21. a heat sink; 22. a cone ring body B; 23. a taper hole; 24. an inner conical ring surface; 25. an outer cone ring surface; 26. a heat sink; 27. and riveting and pressing the ring.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In fig. 1 and 2, the self-radiating wheel brake drum is composed of a friction drum (1) and a radiating hoop (2); the method is characterized in that: the friction drum (1) comprises a disc outer surface (10), a shaft hole (11), a conical ring surface (12), a conical top (13), a disc body (14), a connecting installation hole (15), a lock hoop buckle groove (16), a friction ring surface (17), a friction cavity (18), a conical ring body A (19) and a disc inner surface (20); the heat dissipation hoop (2) comprises a heat dissipation fin (21), a conical ring body B (22), a conical hole (23), an inner conical ring surface (24), an outer conical ring surface (25), heat dissipation grooves (26) and a riveting ring (27).
In fig. 3, 4 and 7, the friction drum (1) is mainly composed of a circular disk body (14) and a conical ring body a (19); a disc body (14) of the friction drum (1) is provided with a shaft hole (11) and a connecting mounting hole (15); the shaft hole (11) is provided with a shaft pin groove; a plurality of connecting and mounting holes (15) are distributed around the shaft hole (11) in an array manner, and the number of the mounting holes (15) is 3-12; the cone ring body A (19) is an annular wall body; the inner wall of the cone ring body A (19) is a friction ring surface (17), and the friction ring surface (17) is vertical to the disc inner surface (20) of the disc body (14); the cone ring body A (19) and the shaft hole (11) of the disc body (14) have the same axis; the friction ring surface (17) is parallel to the axis of the shaft hole (11) in the disc body (14); the outer wall surface of the cone ring body A (19) is a tapered cone ring surface (12), and the cone ring surface (12) and the shaft hole (11) on the disc body (14) have the same shaft center; the taper of the conical ring surface (12) and the axis of the shaft hole (11) in the disc body (14) is 1: 7-12; the right end of the cone ring body A (19) is a cone top (13); the top surface of the conical top (13) is parallel to the disc outer surface (10) of the disc body (14), and the top surface of the conical top (13) is perpendicular to the axis of the shaft hole (11) in the disc body (14); the cone ring body A (19) and the cone ring surface (12) have the following functions: the sleeving and the pressing of the heat dissipation hoop (2) are facilitated; the left end of the cone ring body A (19) and the periphery of the disc body (14) are provided with lock hoop buckling grooves (16), the left angle of the groove bottom of each lock hoop buckling groove (16) is a right angle, the right angle of the groove bottom of each lock hoop buckling groove (16) is 75-136 degrees, and the number of the lock hoop buckling grooves (16) is 1-4; the lock hoop fastening groove (16) of the friction drum (1) is used for fastening the heat dissipation hoop (2) after the friction drum (1) and the heat dissipation hoop (2) are combined, so that the friction drum (1) and the heat dissipation hoop (2) cannot be separated after being combined, and the heat dissipation performance is stabilized.
In fig. 5 and 6, the heat dissipating hoop (2) mainly comprises a conical ring body B (22) and heat dissipating fins (21); a central conical hole (23); the internal wall face of cone ring body B (22) is tapered interior cone ring face (24), the tapering of interior cone ring face (24) is 1: 9-20; the outer wall surface of the cone ring body B (22) is an outer cone ring surface (25) with conicity, and the conicity of the outer cone ring surface (25) is 1: 9-20;the cone ring body B (22)The taper of the inner cone ring surface (24) is equal to that of the outer cone ring surface (25), and the axes are the same;the cone Ring body B (22)The inner cone ring surface (24) and the outer cone ring surface (25) have the same taper and the function of reducing the taper to the maximumCone ring body B (22)The thickness is reduced, so that the weight is reduced to the maximum extent, and the heat dissipation performance is improved; the left end of the cone ring body B (22) is provided with a convex riveting ring (27), and the riveting ring (27) is used for riveting and locking when the heat dissipation hoop (2) and the friction drum (1) are combined, so that the heat dissipation hoop (2) and the friction drum (1) can not be separated after being combined; outside the heat dissipation hoop (2)16-280 radiating fins (21) are distributed in the conical ring surface (25) array, radiating grooves (26) are formed between the radiating fins (21) and the radiating fins (21), and the number of the radiating grooves (26) is in direct proportion to the number of the radiating fins (21); the radiating fins (21) are quadrilateral strips; the upper sides of the radiating fins (21) are respectively vertical to the left side and the right side; the bottom edge of the radiating fin (21) is provided with a slope, and the slope of the bottom edge of the radiating fin (21) is synchronous with the outer cone ring surface (25) of the cone ring body B (22); the left height of the radiating fin (21) is smaller than the right height; the left side of the radiating fin (21) is smaller than the right side thereof, and the radiating fin has the function of fully utilizing effective surfaces and exerting heat radiating performance with limited height to the maximum.
The production method of the invention comprises a production method of the component and a production method of combining the components.
The production method of the assembly comprises a production method of the heat dissipation hoop (2) and a production method of the friction drum (1).
The production method of the friction drum (1) comprises the following steps: A1. casting a blank according to the structure of the figures 3 and 4; the blank material is as follows: gray iron; A2. according to the structure shown in FIG. 4, a cast blank adopts the outer surface (10) of a lathe-turned disc as a reference surface, and a lock hoop buckle groove (16) is machined on the edge of the outer surface (10) of the disc according to the structure shown in FIG. 3 and FIG. 4; A3. fixing the blank on a boring machine for rough boring, wherein the rough boring is as follows: the conical ring surface (12), the disc inner surface (20) and the conical top (13) of the structure of the figures 3 and 4 are cut in sequence to form the primary profile of the structure of the figures 3 and 4, and the disc body (14) and the conical ring body A (19) are arranged; A4. the fixed position of the workpiece is unchanged, and the rough machining cutter is replaced by a finish machining cutter; further processing a cone ring surface (12), a disc inner surface (20) and a cone top (13); A5. the fixed position of the workpiece is unchanged, and the shaft hole (11) and the connecting and mounting hole (15) are processed according to the structures shown in the figures 3 and 4; and a shaft pin groove of the shaft hole (11) is machined by a linear cutting machine.
The production method of the heat dissipation hoop (2) comprises the following steps: B1. the structure according to the figures 5 and 6 is formed by one-step casting; the heat dissipation hoop (2) is made of the following materials: aluminum.
One of the production methods of the component combination is as follows: pressing the heat dissipation hoop (2) and the friction drum (1) into a self-heat dissipation wheel brake drum by adopting a mold according to the pressing direction of FIG. 9; the die is manufactured according to the structure of fig. 1 and 2.
The second production method for combining the components comprises the following steps: cold pressing and combining the heat dissipation hoop (2) and the friction drum (1) by adopting a cold pressing die; the cold-pressing die is processed and manufactured according to the structures of the figures 1 and 2; the working temperature of the cold-pressing die is between minus 36 and minus 28 ℃; the pre-cooling storage temperature of the heat dissipation hoop (2) and the friction drum (1) is between minus 36 and minus 28 ℃; the precooling storage time of the heat dissipation hoop (2) and the friction drum (1) is as follows: 120 ℃ for 150 minutes; and (3) cold-pressing the pre-cooled heat dissipation hoop (2) and the friction drum (1) by using a cold-pressing die according to the pressing direction of the figure 9 to obtain the self-heat-dissipation wheel brake drum.
The third production method for combining the components comprises the following steps: cold pressing and combining the heat dissipation hoop (2) and the friction drum (1) by adopting a cold pressing die; the cold-pressing die is processed and manufactured according to the structures of the figures 1 and 2; the working temperature of the cold-pressing die is between minus 65 and minus 50 ℃; the pre-cooling storage temperature of the heat dissipation hoop (2) and the friction drum (1) is between minus 65 and minus 50 ℃; the precooling storage time of the heat dissipation hoop (2) and the friction drum (1) is as follows: 160 ℃ for 280 minutes; and (3) cold-pressing the pre-cooled heat dissipation hoop (2) and the friction drum (1) by using a cold-pressing die according to the pressing direction of the figure 9 to obtain the self-heat-dissipation wheel brake drum.
The fourth production method for the assembly combination: hot-pressing and combining the heat dissipation hoop (2) and the friction drum (1) by adopting a hot-pressing die; the hot-pressing die is manufactured according to the structure shown in the figures 1 and 2; the working temperature of the hot-pressing mold is set at 200-300 ℃; the heat dissipation hoop (2) and the friction drum (1) are preheated before hot pressing; the preheating temperature of the heat dissipation hoop (2) is as follows: 280-360 degrees, the preheating time is as follows: 20-40 minutes; the preheating temperature of the friction drum (1) is as follows: 200-300 ℃, the preheating time is as follows: 32-64 minutes; the preheating temperature of the friction drum (1) is lower than that of the heat dissipation hoop (2); the preheating temperature difference of the heat dissipation hoop (2) and the friction drum (1) is 80-120 ℃; after the heat dissipation hoop (2) and the friction drum (1) are preheated, hot pressing is carried out by using a hot pressing die, and the self-heat dissipation wheel brake drum is provided.
The fifth production method for combining the components comprises the following steps: hot-pressing and combining the heat dissipation hoop (2) and the friction drum (1) by adopting a hot-pressing die; the hot-pressing die is manufactured according to the structure shown in the figures 1 and 2; the working temperature of the hot-pressing mold is set to 300-400 ℃; the heat dissipation hoop (2) and the friction drum (1) are preheated before hot pressing; the preheating temperature of the heat dissipation hoop (2) is as follows: at 480 ℃ of 360-: 30-60 minutes; the preheating temperature of the friction drum (1) is as follows: 280-360 degrees, the preheating time is as follows: 45-85 minutes; the preheating temperature of the friction drum (1) is lower than that of the heat dissipation hoop (2); the preheating temperature difference of the heat dissipation hoop (2) and the friction drum (1) is 80-120 ℃; after the heat dissipation hoop (2) and the friction drum (1) are preheated, hot pressing is carried out by using a hot pressing die, and the self-heat dissipation wheel brake drum is provided.
In fig. 1, 2 and 8, the structure of the heat dissipating hoop (2) after being pressed against the friction drum (1) is as follows: the right ends of the radiating fins (21) and the right ends of the conical ring bodies B (22) of the radiating hoops (2) are aligned with the right ends of the conical ring bodies A (19) and the conical top (13) of the friction drum (1) on the same plane; after the pressing and combining, the riveting ring (27) of the radiating fin (21) is compressed and filled in the lock hoop buckling groove (16) of the friction drum (1).
Claims (7)
1. A self-heat-dissipation wheel brake drum and a manufacturing method thereof are provided, wherein the self-heat-dissipation wheel brake drum is composed of a friction drum (1) and a heat dissipation hoop (2); the method is characterized in that: the heat dissipation hoop (2) and the friction drum (1) are pressed into a self-heat dissipation wheel brake drum.
2. The self-radiating wheel brake drum and the manufacturing method thereof according to claim 1, wherein: the friction drum (1) comprises a disc outer surface (10), a shaft hole (11), a conical ring surface (12), a conical top (13), a disc body (14), a connecting installation hole (15), a lock hoop buckling groove (16), a friction ring surface (17), a friction cavity (18), a conical ring body A (19) and a disc inner surface (20).
3. The self-radiating wheel brake drum and the manufacturing method thereof according to claim 1, wherein: the heat dissipation hoop (2) comprises heat dissipation fins (21), a conical ring body B (22), a conical hole (23), an inner conical ring surface (24), an outer conical ring surface (25) and heat dissipation grooves (26).
4. A self-radiating wheel brake drum and a manufacturing method thereof according to claim 1 or 2, wherein: the production method of the friction drum (1) comprises the following steps: A1. casting a blank according to the structure of the figures 3 and 4; the blank material is as follows: gray iron; A2. according to the structure shown in FIG. 4, a cast blank adopts the outer surface (10) of a lathe-turned disc as a reference surface, and a lock hoop buckle groove (16) is machined on the edge of the outer surface (10) of the disc according to the structure shown in FIG. 3 and FIG. 4; A3. fixing the blank on a boring machine for rough boring, wherein the rough boring is as follows: the conical ring surface (12), the disc inner surface (20) and the conical top (13) of the structure of the figures 3 and 4 are cut in sequence to form the primary profile of the structure of the figures 3 and 4, and the disc body (14) and the conical ring body A (19) are arranged; A4. the fixed position of the workpiece is unchanged, and the rough machining cutter is replaced by a finish machining cutter; further processing a cone ring surface (12), a disc inner surface (20) and a cone top (13); A5. the fixed position of the workpiece is unchanged, and the shaft hole (11) and the connecting and mounting hole (15) are processed according to the structures shown in the figures 3 and 4.
5. A self-radiating wheel brake drum and a manufacturing method thereof according to claim 1 or 3, wherein: the production method of the heat dissipation hoop (2) comprises the following steps: B1. the structure according to the figures 5 and 6 is formed by one-step casting; the heat dissipation hoop (2) is made of the following materials: aluminum.
6. A self-radiating wheel brake drum and a manufacturing method thereof according to claim 2 or 3, wherein: the production method for combining the components comprises the following steps: hot-pressing and combining the heat dissipation hoop (2) and the friction drum (1) by adopting a hot-pressing die; the hot-pressing die is manufactured according to the structure shown in the figures 1 and 2; the working temperature of the hot-pressing mold is set to 300-400 ℃; the heat dissipation hoop (2) and the friction drum (1) are preheated before hot pressing; the preheating temperature of the heat dissipation hoop (2) is as follows: at 480 ℃ of 360-: 30-60 minutes; the preheating temperature of the friction drum (1) is as follows: 280-360 degrees, the preheating time is as follows: 45-85 minutes; the preheating temperature of the friction drum (1) is lower than that of the heat dissipation hoop (2); the preheating temperature difference of the heat dissipation hoop (2) and the friction drum (1) is 80-120 ℃; after the heat dissipation hoop (2) and the friction drum (1) are preheated, hot pressing is carried out by using a hot pressing die, and the self-heat dissipation wheel brake drum is provided.
7. The self-radiating wheel brake drum and the manufacturing method thereof according to claim 1, wherein: after the pressing and combining, the riveting ring (27) of the radiating fin (21) is compressed and filled in the lock hoop buckling groove (16) of the friction drum (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110191281.3A CN113007244A (en) | 2021-02-19 | 2021-02-19 | Self-heat-dissipation wheel brake drum and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110191281.3A CN113007244A (en) | 2021-02-19 | 2021-02-19 | Self-heat-dissipation wheel brake drum and manufacturing method thereof |
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| CN113007244A true CN113007244A (en) | 2021-06-22 |
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| CN202110191281.3A Pending CN113007244A (en) | 2021-02-19 | 2021-02-19 | Self-heat-dissipation wheel brake drum and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117267285A (en) * | 2023-11-21 | 2023-12-22 | 山西汤荣机械制造股份有限公司 | Brake drum convenient to heat dissipation and casting device thereof |
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| US2055244A (en) * | 1931-04-27 | 1936-09-22 | Bendix Brake Co | Brake drum |
| US4262407A (en) * | 1977-12-08 | 1981-04-21 | Ford Motor Company | Method for manufacturing a composite brake drum |
| CN102000950A (en) * | 2010-11-02 | 2011-04-06 | 嘉兴四通车轮股份有限公司 | Manufacturing method of high-strength light bi-metal brake drum and high-strength light bi-metal brake drum thereof |
| CN104067023A (en) * | 2012-01-25 | 2014-09-24 | 富尔特瑞尔有限公司 | Device for damping the movement of a movably mounted component |
| CN204533301U (en) * | 2015-03-26 | 2015-08-05 | 山东浩信机械有限公司 | A kind of brake drum |
| CN111114197A (en) * | 2019-11-15 | 2020-05-08 | 张译 | Bimetallic brake hub shell, metal wheel, cylindrical metal component and manufacturing method thereof |
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| CN117267285A (en) * | 2023-11-21 | 2023-12-22 | 山西汤荣机械制造股份有限公司 | Brake drum convenient to heat dissipation and casting device thereof |
| CN117267285B (en) * | 2023-11-21 | 2024-02-02 | 山西汤荣机械制造股份有限公司 | Brake drum convenient to heat dissipation and casting device thereof |
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