CN106624657A - Compound brake drum overall steel ring and manufacturing method thereof - Google Patents
Compound brake drum overall steel ring and manufacturing method thereof Download PDFInfo
- Publication number
- CN106624657A CN106624657A CN201611242082.6A CN201611242082A CN106624657A CN 106624657 A CN106624657 A CN 106624657A CN 201611242082 A CN201611242082 A CN 201611242082A CN 106624657 A CN106624657 A CN 106624657A
- Authority
- CN
- China
- Prior art keywords
- steel ring
- brake drum
- wall thickness
- steel plate
- composite brake
- 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.)
- Pending
Links
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
-
- 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
Abstract
The invention relates to a compound brake drum overall steel ring and a manufacturing method thereof. The method comprises the first step of choosing the thickness of a steel plate; the second step of determining the dimension of a round blank; the third step of processing and positioning a technical hole; the fourth step of conducting rough cyclones processing for twice; the fifth step of conducting refined cyclones processing for twice; the sixth step of determining a rolling type of a roller. The compound brake drum overall steel ring is of an integrated structure, the extension strength of the steel plate of the steel ring is larger than or equal to 350 MPa, and the ductility is larger than or equal to 20%; meanwhile, the integrated steel ring comprises a substrate part of which the wall thickness is 12-20 mm, an inclined connecting part of which the wall thickness is 6-17 mm, a braking face part of which the wall thickness is 4-6 mm, a braking surface opening part of which the wall thickness is 5-12 mm and a reinforcing rib part of which the wall thickness is 5-12 mm, and the height of the steel ring is 250-300 mm. According to the compound brake drum overall steel ring, the high-performance steel plate is adopted, the compound brake drum overall steel ring is integrated without any combination modes of welding, riveting and the like, and the consistency of the performance of the steel ring is guaranteed; through the adoption of the method of suit cut, the waste of the steel plate is reduced; meanwhile, a concave-convex groove is rolled out in the middle part of the braking surface, and thus the compound brake drum overall steel ring has the functions of increasing a product heat radiating area and a composite area.
Description
Technical field
The present invention relates to composite brake drum field, and in particular to a kind of Thermometal composite integrated brake drum, more particularly to
A kind of bimetallic composite brake drum entirety steel ring and its manufacture method for bogie or Large and medium buses.
Background technology
Bimetallic composite brake drum, as shown in figure 1, be the composite inner layer gray iron material 2 in outer layer steel ring 1, due to outer layer
Steel ring wall thickness is inconsistent, and height dimension is larger, and integral manufacturing difficulty is larger.
Traditional preparation method is according to different wall, or in the range of compared with low height, as shown in Fig. 2 making respectively
Two to four, then be welded, not only tedious process, fabrication cycle are long for this preparation method, and due to the presence of weld seam, make
Integral material non-uniform phenomenon.
The content of the invention
It is an object of the present invention to be directed to drawbacks described above, there is provided one kind can overcome split type steel ring to need sectional making, weldering
Connect, polish etc. cumbersome process, solve overall performance it is inconsistent the shortcomings of composite brake drum entirety steel ring manufacture method.
Another object of the present invention is to, there is provided more than one state composite brake drum entirety steel ring obtained in manufacture method.
In order to achieve the above object, the technical scheme that the present invention takes is as follows：
A kind of manufacture method of composite brake drum entirety steel ring, it is characterised in that comprise the following steps：
A. steel plate thickness is chosen
According to the selection of dimension steel plate thickness in composite brake drum outer layer steel ring thickness；
B. the size of circular blank is determined
Blanking is carried out to steel plate using the cutting mode cut out a piece of cloth in a way with the minimum material to make two or more articles of clothing, by steel plate cutting into the circular blank with certain diameter size,
The diameter of circular blank calculates corresponding diameter according to the volume size of outer layer steel ring, and reserves the allowance of 5-10mm；
The diameter of circular blank is calculated as follows：
In above formula：D is the diameter of circular blank；V is the volume of outer layer steel ring；δ is coefficient；
C. locating and machining fabrication hole
Fabrication hole, positioning process bore dia φ 80- φ 150mm are positioned in the center position processing one of circular blank；
D. thick rotation processing twice
On the basis of centralized positioning fabrication hole, circular blank is placed on thick rotation core rod and is fixed, in thick rotation core rod and circle
While shape blank rotates at a high speed, thick rotation spinning roller is gradually pushed along the appearance profile of thick rotation core rod, made two bites at a cherry to circle
The thick rotation processing of shape blank, to form the steel ring semi-finished product with outer layer steel ring original shape；
E. the processing of essence rotation twice
On the basis of centralized positioning fabrication hole, the steel ring semi-finished product with outer layer steel ring original shape are placed on essence rotation core rod simultaneously
Fixed, while essence rotation core rod rotates with steel ring semi-finished product high speed, essence rotation spinning roller is revolved into the profile wheel of core rod along essence
Exterior feature is gradually pushed, and make two bites at a cherry the essence rotation processing to steel ring semi-finished product, has different cross section shape and different cross section to be formed
The smart biscuit throwing material of wall thickness；
F. to roller contour roll forming
The upper and lower roll being engaged using upper and lower tongue and groove, smart biscuit throwing material is placed on lower roll and is compressed, and is revolved at a high speed in upper and lower roll
While turning, upper roller is pushed, complete the contour roll forming to smart biscuit throwing material, to form the entirety that braking surface middle part has concavo-convex groove shape
Steel ring.
Further, step a need to add man-hour in the thickness of composite brake drum outer layer steel ring, should reserve steel plate thickness
Allowance.
Further, the processing mode of the step c locating and machining fabrication hole is in machining, punching press or plasma cut
One kind.
A kind of composite brake drum entirety steel ring, is with manufacturer's legal system of composite brake drum entirety steel ring, the steel ring
For integral type structure, and the tensile strength >=350MPa of the steel plate of the steel ring, elongation percentage >=20%, meanwhile, the integral type steel ring
Including the matrix part that wall thickness is 12-20mm, wall thickness is the inclined-plane connecting portion of 6-17mm, and wall thickness is facial for the braking of 4-6mm, wall thickness
For 5-12mm braking surface oral area and wall thickness for 5-12mm reinforcement muscle portion, the height of the steel ring is 250-300mm.
Beneficial effects of the present invention：
The composite brake drum entirety steel ring of the present invention adopts high performance steel plate, is integrally formed, any combination such as welding, riveting
Mode, it is ensured that the uniformity of steel ring performance；The present invention can reduce the waste of steel plate by the way of cutting out a piece of cloth in a way with the minimum material to make two or more articles of clothing；The present invention exists
Braking surface middle part contour roll forming goes out tongue and groove, with increase product area of dissipation and compound area；The present invention makes according to composite brake drum
With the difference of vehicle, the different parts of steel ring are arranged to different wall thickness, and the big vehicle wall thickness capping of loading capacity, loading capacity is little
Vehicle wall thickness remove the limit.
Description of the drawings
Fig. 1 is the schematic diagram of Thermometal composite integrated brake drum according to the present invention；
Fig. 2 is the workpiece welding schematic diagram that bimetallic composite brake drum entirety steel ring is made in prior art；
Fig. 3 is the schematic diagram of the cutting mode that step b of the present invention is related to；
Fig. 4 is the schematic diagram of the locating and machining fabrication hole that step c of the present invention is related to；
Fig. 5 is the thick rotation machining sketch chart that step d of the present invention is related to；
Fig. 6 is the essence rotation machining sketch chart that step e of the present invention is related to；
Fig. 7 is the structural representation with different cross section shape and the smart biscuit throwing material of different cross section wall thickness that step e of the present invention is related to
Figure；
Fig. 8 be step f of the present invention be related to roller contour roll forming machining sketch chart；
Fig. 9 is the structural representation of composite brake drum entirety steel ring of the present invention.
Figure 10 is the scale diagrams of composite brake drum entirety steel ring of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings technical scheme is described in further detail with embodiment.
A kind of manufacture method of composite brake drum entirety steel ring, it is characterised in that comprise the following steps：
A. steel plate thickness is chosen
According to the selection of dimension steel plate thickness in the thickness of composite brake drum outer layer steel ring 1；Step a need to be outside composite brake drum
The thickness of layer steel ring adds man-hour, should reserve the allowance of steel plate thickness.
B. the size of circular blank is determined
As shown in figure 3, blanking is carried out to steel plate using the cutting mode cut out a piece of cloth in a way with the minimum material to make two or more articles of clothing, by steel plate cutting into certain diameter size
Circular blank, the diameter of circular blank calculates corresponding diameter according to the volume size of outer layer steel ring 1, and reserves 5-10mm
Allowance；The diameter of circular blank is calculated as follows：
In above formula：D is the diameter of circular blank；V is the volume of outer layer steel ring；δ is coefficient；
C. locating and machining fabrication hole
As shown in figure 4, the center position processing one in circular blank 3 positions fabrication hole, positioning process bore dia φ 80- φ
150mm；The processing mode of the step c locating and machining fabrication hole is the one kind in machining, punching press or plasma cut.
D. thick rotation processing twice
As shown in figure 5, on the basis of centralized positioning fabrication hole, circular blank 3 is placed on thick rotation core rod 4 and is fixed,
While thick rotation core rod 4 rotates at a high speed with circular blank 3, will thick rotation spinning roller 5 along thick rotation core rod 4 appearance profile gradually under
Pressure, the thick rotation to circular blank 3 that makes two bites at a cherry is processed, to form the steel ring semi-finished product 6 with outer layer steel ring original shape；
E. the processing of essence rotation twice
As shown in fig. 6, on the basis of centralized positioning fabrication hole, the steel ring semi-finished product 6 with outer layer steel ring original shape are placed in
On essence rotation core rod 7 and fixed, while essence rotation core rod 7 and steel ring semi-finished product 6 rotate at a high speed, by essence revolve spinning roller 8 along
The appearance profile of essence rotation core rod 7 is gradually pushed, and make two bites at a cherry the essence rotation processing to steel ring semi-finished product 6, has difference to be formed
The smart biscuit throwing material 9 of cross sectional shape and different cross section wall thickness, as shown in Figure 7；
F. to roller contour roll forming
As shown in figure 8, the upper and lower roll being engaged using upper and lower tongue and groove, smart biscuit throwing material 9 is placed on lower roll 11 and is compressed,
While upper and lower roll rotates at a high speed, upper roller 10 is pushed, complete the contour roll forming to smart biscuit throwing material 9, had to form braking surface middle part
The overall steel ring of concavo-convex groove shape, as shown in Figure 9.
As shown in Figure 10, a kind of composite brake drum entirety steel ring, is with manufacturer's legal system of composite brake drum entirety steel ring
, the steel ring 1 is integral type structure, and the tensile strength >=350MPa of the steel plate of the steel ring, elongation percentage >=20%, meanwhile,
The integral type steel ring includes matrix part of the wall thickness for 12-20mm, and wall thickness is the inclined-plane connecting portion of 6-17mm, and wall thickness is 4-6mm's
Braking face, wall thickness is the reinforcement muscle portion that the braking surface oral area and wall thickness of 5-12mm are 5-12mm, and the height of the steel ring is
250-300mm。
Claims (4)
1. the manufacture method of a kind of composite brake drum entirety steel ring, it is characterised in that comprise the following steps：
A. steel plate thickness is chosen
According to the selection of dimension steel plate thickness in composite brake drum outer layer steel ring thickness；
B. the size of circular blank is determined
Blanking is carried out to steel plate using the cutting mode cut out a piece of cloth in a way with the minimum material to make two or more articles of clothing, by steel plate cutting into the circular blank with certain diameter size,
The diameter of circular blank calculates corresponding diameter according to the volume size of outer layer steel ring, and reserves the allowance of 5-10mm；
The diameter of circular blank is calculated as follows：
In above formula：D is the diameter of circular blank；V is the volume of outer layer steel ring；δ is coefficient；
C. locating and machining fabrication hole
Fabrication hole, positioning process bore dia φ 80- φ 150mm are positioned in the center position processing one of circular blank；
D. thick rotation processing twice
On the basis of centralized positioning fabrication hole, circular blank is placed on thick rotation core rod and is fixed, in thick rotation core rod and circle
While shape blank rotates at a high speed, thick rotation spinning roller is gradually pushed along the appearance profile of thick rotation core rod, made two bites at a cherry to circle
The thick rotation processing of shape blank, to form the steel ring semi-finished product with outer layer steel ring original shape；
E. the processing of essence rotation twice
On the basis of centralized positioning fabrication hole, the steel ring semi-finished product with outer layer steel ring original shape are placed on essence rotation core rod simultaneously
Fixed, while essence rotation core rod rotates with steel ring semi-finished product high speed, essence rotation spinning roller is revolved into the profile wheel of core rod along essence
Exterior feature is gradually pushed, and make two bites at a cherry the essence rotation processing to steel ring semi-finished product, has different cross section shape and different cross section to be formed
The smart biscuit throwing material of wall thickness；
F. to roller contour roll forming
The upper and lower roll being engaged using upper and lower tongue and groove, smart biscuit throwing material is placed on lower roll and is compressed, and is revolved at a high speed in upper and lower roll
While turning, upper roller is pushed, complete the contour roll forming to smart biscuit throwing material, to form the entirety that braking surface middle part has concavo-convex groove shape
Steel ring.
2. a kind of manufacture method of composite brake drum entirety steel ring according to claim 1, it is characterised in that the step
The selection of a steel plate thickness according to the selection of dimension steel plate thickness in composite brake drum outer layer steel ring thickness, if this enters need to process place
Reason, should reserve corresponding allowance.
3. a kind of manufacture method of composite brake drum entirety steel ring according to claim 1, it is characterised in that the step
The processing mode of c locating and machining fabrication holes is the one kind in machining, punching press or plasma cut.
4. a kind of composite brake drum entirety steel ring, is with the manufacture method of the composite brake drum entirety steel ring described in claim 1
System, it is characterised in that the steel ring is integral type structure, and the tensile strength >=350MPa of the steel plate of the steel ring extends
Rate >=20%, meanwhile, the integral type steel ring includes matrix part of the wall thickness for 12-20mm, and wall thickness is the inclined-plane connecting portion of 6-17mm,
Wall thickness is facial for the braking of 4-6mm, and wall thickness is the reinforcement muscle portion that the braking surface oral area and wall thickness of 5-12mm are 5-12mm, described
The height of steel ring is 250-300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242082.6A CN106624657A (en) | 2016-12-29 | 2016-12-29 | Compound brake drum overall steel ring and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242082.6A CN106624657A (en) | 2016-12-29 | 2016-12-29 | Compound brake drum overall steel ring and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106624657A true CN106624657A (en) | 2017-05-10 |
Family
ID=58836384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611242082.6A Pending CN106624657A (en) | 2016-12-29 | 2016-12-29 | Compound brake drum overall steel ring and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106624657A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814672A (en) * | 2019-11-14 | 2020-02-21 | 山西汤荣机械制造股份有限公司 | Preparation process of novel bimetal composite integrated brake drum |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1022139A (en) * | 1964-04-13 | 1966-03-09 | Darwin Steward Cox | A method of manufacturing generally cupped and cylindrically shaped parts |
| JPH10249467A (en) * | 1997-03-05 | 1998-09-22 | Hosei Brake Kogyo Kk | Vehicle blake drum and its manufacture |
| US6148498A (en) * | 1999-07-30 | 2000-11-21 | Hayes Lemmerz International, Inc. | Method of making a brake drum ring |
| JP2002070902A (en) * | 2000-09-01 | 2002-03-08 | Akebono Brake Ind Co Ltd | Method of manufacturing hollow piston for disc brake, and hollow piston molded by the same manufacturing method |
| 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 |
| CN103950351A (en) * | 2014-04-12 | 2014-07-30 | 泉州市泰达车轮设备有限公司 | Integrated automobile wheel and manufacturing method thereof |
| CN103953669A (en) * | 2013-11-28 | 2014-07-30 | 泉州市泰达车轮设备有限公司 | Double-metal hot jacket integrated automobile brake drum and machining method thereof |
| CN106002123A (en) * | 2016-06-28 | 2016-10-12 | 江苏福坛车桥科技有限公司 | Integrated molding method of brake drum |
-
2016
- 2016-12-29 CN CN201611242082.6A patent/CN106624657A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1022139A (en) * | 1964-04-13 | 1966-03-09 | Darwin Steward Cox | A method of manufacturing generally cupped and cylindrically shaped parts |
| JPH10249467A (en) * | 1997-03-05 | 1998-09-22 | Hosei Brake Kogyo Kk | Vehicle blake drum and its manufacture |
| US6148498A (en) * | 1999-07-30 | 2000-11-21 | Hayes Lemmerz International, Inc. | Method of making a brake drum ring |
| JP2002070902A (en) * | 2000-09-01 | 2002-03-08 | Akebono Brake Ind Co Ltd | Method of manufacturing hollow piston for disc brake, and hollow piston molded by the same manufacturing method |
| 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 |
| CN103953669A (en) * | 2013-11-28 | 2014-07-30 | 泉州市泰达车轮设备有限公司 | Double-metal hot jacket integrated automobile brake drum and machining method thereof |
| CN103950351A (en) * | 2014-04-12 | 2014-07-30 | 泉州市泰达车轮设备有限公司 | Integrated automobile wheel and manufacturing method thereof |
| CN106002123A (en) * | 2016-06-28 | 2016-10-12 | 江苏福坛车桥科技有限公司 | Integrated molding method of brake drum |
Non-Patent Citations (1)
| Title |
|---|
| 《机械机械工程材料消耗定额》编审组: "《机械工程材料消耗定额》", 28 February 1986, 机械工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814672A (en) * | 2019-11-14 | 2020-02-21 | 山西汤荣机械制造股份有限公司 | Preparation process of novel bimetal composite integrated brake drum |
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Application publication date: 20170510 |