CN103586642B - Plate hub core manufacturing process - Google Patents
Plate hub core manufacturing process Download PDFInfo
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- CN103586642B CN103586642B CN201310589218.0A CN201310589218A CN103586642B CN 103586642 B CN103586642 B CN 103586642B CN 201310589218 A CN201310589218 A CN 201310589218A CN 103586642 B CN103586642 B CN 103586642B
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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
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- Mechanical Operated Clutches (AREA)
Abstract
The invention provides a kind of Plate hub core manufacturing process, belong to mechanical processing technique technical field.Greatly and blank utilizes low problem to it solve existing hub fine forge piece its shaping process cutting quantity.This Plate hub core manufacturing process comprises the following steps: A, rough forging；B, blank machine；C, cold extrusion external tooth shape；D, semi-finished product machine；E, surface antirust treatment.This Plate hub core manufacturing process has and adds the higher and advantage that cutting output is less of blank utilization rate in man-hour.
Description
Technical field
The invention belongs to mechanical processing technique technical field, relate to a kind of manufacturing process, special
It it not a kind of Plate hub core manufacturing process.
Background technology
Hub is a strength member in clutch driven disc assembly, it include hub sheet,
Plate hub core, the processing of hub part and precision thereof directly influence the globality of clutch drived disk assy
Energy.At present, apply wide monoblock type Plate hub core mostly to use die forging mode, i.e. make
Machining is carried out again after Plate hub core blank.Therefore its allowance is big, and technique is more backward,
Cost is high, and production efficiency is low；Some enterprise also uses the mode of casting, low precision, and casting
Making technique big for environment pollution, energy waste is high.
A kind of drive plate hub of automobile transmission essence proposed as Chinese patent literature data is open
Forging its shaping process [application number: 201110162459.8；Application notification number: CN
102248115A], it is characterised in that comprise the steps that (1) prepares according to production engineering specifications
Raw material, after raw material grinding skin, checking cracks through flaw detection, is sawn into material section, removes not
Satisfactory material section；(2) by material section heating to 1100-1180 DEG C；(3) on forcing press
By upset for the section of expecting, obtain a circular blank；(4) circular blank is placed on forge hot
In mould, hotdie forging press forges and presses；Then, blank is placed on hot school shape
In mould, forcing press carries out hot school shape；Blank after the shape of hot school is placed on hot trimming
In mould, forcing press carries out hot trimming；Final forging temperature in hot forged mould controls
930～more than C, obtain the blank with profile of tooth；After hot forging, followed by carry out hot school
Shape and hot trimming；(5) according to technological requirement, intermediate throughholes is bored.(6) blank is carried out at heat
Reason so that it is hardness reaches HBl70 190；(7) blank is carried out pickling, remove surface
Oxide skin, removes the blank of existing defects；Qualified blank is carried out alramenting saponification
Process；(8) in cold extrusion die, blank is carried out cold extrusion processing, make the profile of tooth of blank
Molding；(9) being machined out according to technological requirement, certified products are finish forge blank.But should
Manufacture method is annular at rough forging time institute forged blank, and therefore this blank passes through
When cold extrusion die carries out profile of tooth processing and forming, cutting output is compared with big and blank utilization rate is low.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of
The Plate hub core manufacturing process that during tooth Profile Machining, blank utilization rate is higher and cutting output is less.
The purpose of the present invention can be realized by following technical proposal: Plate hub core manufacturing process,
This technique comprises the following steps:
A, rough forging: use common Forging Technology, by blank heating to 850 DEG C extremely
1150 DEG C, blank carrying out on forcing press forging and forms blank, blank includes in cylinder
The body of body, the outside of described body has annular convex；
B, blank machine: by the end face of general lathe work turning blank, outward
Circle and endoporus；
C, cold extrusion external tooth shape: by blank in cold extrusion die, by forcing press pair
Carry out at the annular convex of blank cold extrusion shaped being processed to form external tooth, make annular convex
Sidepiece is squeezed formation external tooth form, and makes blank be processed to form semi-finished product；
D, semi-finished product machine: by the method for common turning, enter the two ends of semi-finished product
Row turnery processing, makes the size at the two ends of workpiece reach to design requirement；
E, surface antirust treatment: by semi-finished product are carried out surface antirust treatment, make half one-tenth
The surface of product has preferable rustless property.
During rough forging, use common Forging Technology, be cylindrical by blank forging
Body, the outside of body has annular convex.Cold extrusion external tooth form is carried out when in step C
Add man-hour, in the die cavity of the lower mold that blank is placed on cold extrusion die, make annular convex
Outer be resisted against on the molding gear of lower mold, by the forcing press extruding to upper mold, make down
The toothed cutting edge of mould cuts annular convex and is processed to form outer teeth, and processing is in cylinder relatively
The blank of shape, the cutting output of blank that processing has annular convex is less and the utilization of blank
Rate is higher.Annular convex is carried out cold extrusion external tooth form processing, due to only to annular convex
Carry out external tooth form processing, relatively common carries out cold extrusion shaped in cylindrical blank
500 tons required of forcing press, the forcing press required for this Plate hub core manufacturing process is
200-400 ton, has easy and product the qualification rate of shaping higher, and the most energy-conservation is excellent
Point.By the turnery processing at the two ends to semi-finished product, the size of workpiece is made to reach design
Requirement, reduces cutting output, improves the efficiency of processing.
In above-mentioned Plate hub core manufacturing process, between step A and B, have at heat
Reason: the technique using common spheroidizing, improves the cutting ability of blank.Use ball
The heat treatment mode of annealing, reduces the hardness of blank, it is simple to machining shapes.
In above-mentioned Plate hub core manufacturing process, between step A and B, at heat treatment
Phosphatization saponification is used to process afterwards.Use common phosphatization saponification to process, make the table of workpiece
Face forms the protecting film with lubrication.
In above-mentioned Plate hub core manufacturing process, in step C, external tooth form is cold extrusion shaped
The forcing press used is 200-400 ton.Relatively common is carried out in cylindrical blank
Cold extrusion shaped 500 tons required of forcing press, required for this Plate hub core manufacturing process
Forcing press is 200-400 ton, has easy and product the qualification rate of shaping higher, simultaneously
Energy-conservation advantage.
In above-mentioned Plate hub core manufacturing process, in step D, semi-finished product machining includes
First semi-finished product are carried out the processing of rough turn two ends, then the processing of finish turning two ends, makes semi-finished product reach
Design requirement.
In above-mentioned Plate hub core manufacturing process, in step D, rough turn two ends processing with
And between the processing of finish turning two ends, there is the modifier treatment to semi-finished product.By to semi-finished product
Modifier treatment, make semi-finished product have excellent comprehensive mechanical property, i.e. high intensity and height
The suitable cooperation of toughness, to ensure the long-term work well of part, makes Plate hub core have longer
Service life.
In above-mentioned Plate hub core manufacturing process, between step D and step E, also have
There is broaching internal spline: by common Broaching Technology, carry out interior to the inner hole wall of semi-finished product
The processing of spline.
In above-mentioned Plate hub core manufacturing process, in step E, surface processes and uses table
Face antirust treatment.Surface antirust treatment uses common antirust treatment, as electroplated, spraying,
Blackening process, makes Plate hub core have preferable resistance to corrosion.
Compared with prior art, this Plate hub core manufacturing process has the advantage that
1, being cylindrical body by blank forging, the outside of body has annular convex,
Annular convex is carried out cold extrusion external tooth form processing, has and shape easily and product qualified
Rate is higher, the most energy-conservation advantage；
2, before owing to shaping at cold extrusion external tooth, carry out blank machining, make semi-finished product
Mach cutting output is less, improves production capacity, improves the efficiency of chip simultaneously；
3, by surface antirust treatment, the surface of workpiece is made to have preferable rustless property,
Improve the service life of workpiece.
Accompanying drawing explanation
Fig. 1 is the structural representation of blank.
Fig. 2 is the structural representation of semi-finished product.
In figure, 1, body；2, annular convex；3, external tooth；4, endoporus.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention
Case is further described, but the present invention is not limited to these embodiments.
Plate hub core manufacturing process, this technique comprises the following steps:
Rough forging: use common Forging Technology, is the blank heating of 40Cr by material
To 1000 DEG C, alternatively, can be by blank heating that material is 40Cr to 850
DEG C, it is possible to blank is heated to 1150 DEG C, blank is carried out forging by forcing press and is formed
Blank, as it is shown in figure 1, blank includes in cylindrical body 1, the outside of body 1
There is annular convex 2.Alternatively, 850 can be heated to by using 45 blanks
DEG C, it is possible to blank is heated to 1150 DEG C；
Heat treatment: the technique using common spheroidizing, improves the cutting ability of blank.
Use the heat treatment mode of spheroidizing, reduce the hardness of blank, it is simple to be machined to
Shape.
Phosphatization saponification processes: uses common phosphatization saponification to process, makes the surface shape of workpiece
Become there is the protecting film of lubrication.
Blank machine: by the end face of general lathe work turning blank, cylindrical with
And endoporus 4；
Cold extrusion external tooth shapes: cold extrusion external tooth 3 shape adds man-hour, is placed on by blank cold
In the die cavity of the lower mold of extrusion die, make there is one end of annular convex 2 upward, make ring
The outer of shape convex body 2 is resisted against on the molding gear of lower mold；
The upper mold of cold extrusion die includes cylindrical press section, the lower end tool of press section
Protrusion and columned bar shaped convex body, bar shaped convex body and press section is had to be coaxially disposed and bar shaped
The diameter of convex body is less than the diameter of press section；
Time cold extrusion shaped, bar shaped convex body is through the through hole of blank, and press section is resisted against annular
Convex body 2 edge, makes the toothed cutting edge cutting annular convex 2 of the lower mold of cold extrusion die
And it is processed to form external tooth 3.When extruding, owing to bar shaped convex body is through the through hole of blank,
Make blank to produce to rock, there is preferable positioning precision.After extruding, blank is made to add
Work forms semi-finished product, as shown in Figure 2.Relatively process cylindrical blank, add instrument
Less and blank the utilization rate of cutting output having the blank of annular convex 2 is higher.
Rough turn two ends process: processed by rough turn two ends, cutting semi-finished product.
Modifier treatment: by the modifier treatment to semi-finished product, makes semi-finished product have excellent
The suitable cooperation of comprehensive mechanical property, i.e. high intensity and high tenacity, to ensure that part is long-term
Work well, makes Plate hub core have longer service life.
Finish turning two ends processing again, makes semi-finished product reach to design requirement.
Broaching internal spline: by common Broaching Technology, endoporus 4 wall of semi-finished product is entered
The processing of row internal spline.
Surface antirust treatment: surface antirust treatment uses common antirust treatment, as electroplated,
Spraying, blackening process, make Plate hub core have preferable resistance to corrosion.
During rough forging, use common Forging Technology, be cylindrical by blank forging
Body 1, the outside of body 1 has annular convex 2.
Annular convex 2 is carried out cold extrusion external tooth form and adds man-hour, due to only to annular convex
2 carry out external tooth form processing, relatively common carry out cold-extruded in cylindrical blank and be pressed into
500 tons of forcing press required for type, the forcing press required for this Plate hub core manufacturing process is
200-400 ton, has easy and product the qualification rate of shaping higher, and the most energy-conservation is excellent
Point.By the turnery processing at the two ends to semi-finished product, the size of workpiece is made to reach design
Requirement, reduces cutting output, improves the efficiency of processing.Alternatively, originally
Forcing press required for Plate hub core manufacturing process is 400 tons, has energy-conservation advantage.Logical
Cross the turnery processing at the two ends to semi-finished product, make the size of workpiece reach the requirement of design,
Reduce cutting output, improve the efficiency of processing.Alternatively, this Plate hub core
Forcing press required for manufacturing process is 300 tons, has energy-conservation advantage.
Specific embodiment described herein is only to present invention spirit theory for example
Bright.Those skilled in the art can be to described specific embodiment
Make various amendment or supplement or use similar mode to substitute, but without departing from
The spirit of the present invention or surmount scope defined in appended claims.
Although the most more employing body 1, annular convex 2, external tooth 3, endoporus 4
Deng term, but it is not precluded from using the probability of other term.Only use these terms
It is the essence in order to describe and explain the present invention more easily；It is construed as any one
It is all contrary with spirit of the present invention for planting additional restriction.
Claims (6)
1. Plate hub core manufacturing process, this technique comprises the following steps:
A, rough forging: use common Forging Technology, by blank heating to 1050 DEG C extremely
1150 DEG C, blank carrying out on forcing press forging and forms blank, blank includes in cylinder
The body (1) of body, the outside of described body (1) has annular convex (2)；Use common
The technique of spheroidizing blank is carried out heat treatment, improve the cutting ability of blank；?
Phosphatization saponification is used to process after heat treatment；
B, blank machine: by the end face of general lathe work turning blank, outward
Circle and endoporus (4)；
C, cold extrusion external tooth shape: by blank in cold extrusion die, by forcing press pair
Carry out at the annular convex of blank cold extrusion shaped being processed to form external tooth (3), make annular convex
(2) sidepiece is squeezed formation external tooth, and makes blank be processed to form semi-finished product；
D, semi-finished product machine: by the method for common turning, enter the two ends of semi-finished product
Row turnery processing, makes the size at the two ends of workpiece reach to design requirement；
E, surface antirust treatment: by semi-finished product are carried out surface antirust treatment, make half one-tenth
The surface of product has preferable rustless property.
Plate hub core manufacturing process the most according to claim 1, it is characterised in that step
In rapid C, cold extrusion shaped the used forcing press of external tooth form is 200-400 ton.
Plate hub core manufacturing process the most according to claim 1, it is characterised in that step
In rapid D, semi-finished product machining includes first carrying out semi-finished product the processing of rough turn two ends, then essence
Car two ends process, and make semi-finished product reach to design requirement.
Plate hub core manufacturing process the most according to claim 3, it is characterised in that step
In rapid D, between the processing of rough turn two ends and the processing of finish turning two ends, have semi-finished product
Modifier treatment.
Plate hub core manufacturing process the most according to claim 1, it is characterised in that
Between step D and step E, also there is broaching internal spline: by common Broaching Technology,
Endoporus (4) wall to semi-finished product carries out the processing of internal spline.
Plate hub core manufacturing process the most according to claim 1, it is characterised in that
In step E, surface processes and uses surface antirust treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310589218.0A CN103586642B (en) | 2013-11-20 | 2013-11-20 | Plate hub core manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310589218.0A CN103586642B (en) | 2013-11-20 | 2013-11-20 | Plate hub core manufacturing process |
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| Publication Number | Publication Date |
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| CN103586642A CN103586642A (en) | 2014-02-19 |
| CN103586642B true CN103586642B (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310589218.0A Active CN103586642B (en) | 2013-11-20 | 2013-11-20 | Plate hub core manufacturing process |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732277A (en) * | 2018-12-17 | 2019-05-10 | 菲仕绿能科技(北京)有限公司 | A kind of processing method of driving motor hollow rotating shaft |
| CN113175474A (en) * | 2021-03-24 | 2021-07-27 | 江苏建鑫机械制造有限公司 | Automobile hub mandrel and manufacturing method thereof |
| CN114248071A (en) * | 2021-12-20 | 2022-03-29 | 上海炽星新材料科技有限公司 | Method for manufacturing automobile clutch disc hub |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002282993A (en) * | 2001-03-28 | 2002-10-02 | Aichi Steel Works Ltd | Manufacturing method for gear with boss |
| CN102248115A (en) * | 2011-06-16 | 2011-11-23 | 重庆创精温锻成型有限公司 | Method for forming and manufacturing hub precision forging member of vehicle transmission driving disc |
| CN102554572A (en) * | 2011-12-28 | 2012-07-11 | 浙江华信汽车零部件有限公司 | Processing technology for plate hub of driven plate assembly and mould component adopted in the processing technology |
| CN102814447A (en) * | 2011-06-09 | 2012-12-12 | 中国科学院金属研究所 | High-speed train brake disc hub forging die and design method thereof |
-
2013
- 2013-11-20 CN CN201310589218.0A patent/CN103586642B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002282993A (en) * | 2001-03-28 | 2002-10-02 | Aichi Steel Works Ltd | Manufacturing method for gear with boss |
| CN102814447A (en) * | 2011-06-09 | 2012-12-12 | 中国科学院金属研究所 | High-speed train brake disc hub forging die and design method thereof |
| CN102248115A (en) * | 2011-06-16 | 2011-11-23 | 重庆创精温锻成型有限公司 | Method for forming and manufacturing hub precision forging member of vehicle transmission driving disc |
| CN102554572A (en) * | 2011-12-28 | 2012-07-11 | 浙江华信汽车零部件有限公司 | Processing technology for plate hub of driven plate assembly and mould component adopted in the processing technology |
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| CN103586642A (en) | 2014-02-19 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Qiu Jianping Inventor before: Liang Wentao |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 317602 Qimo Industrial Park, Yuhuan City, Taizhou City, Zhejiang Province Patentee after: Zhejiang Wanbang Automotive Power System Co., Ltd. Address before: 317602 Qimo Industrial Park, Yuhuan County, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG WANBANG AUTOMOBILE POWER SYSTEM CO., LTD. |
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