CN108436059A - A kind of digitlization liquid forging manufacturing method of high-speed railway touching net parts - Google Patents
A kind of digitlization liquid forging manufacturing method of high-speed railway touching net parts Download PDFInfo
- Publication number
- CN108436059A CN108436059A CN201710083222.8A CN201710083222A CN108436059A CN 108436059 A CN108436059 A CN 108436059A CN 201710083222 A CN201710083222 A CN 201710083222A CN 108436059 A CN108436059 A CN 108436059A
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- CN
- China
- Prior art keywords
- speed railway
- aluminum water
- net parts
- touching net
- liquid forging
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/02—Pressure casting making use of mechanical pressure devices, e.g. cast-forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/08—Controlling, supervising, e.g. for safety reasons
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The present invention provides a kind of digitlization liquid forging manufacturing methods of high-speed railway touching net parts, include the melting of aluminium alloy stock, while being prepared and pre- heat sealing die to mold；Aluminum water is poured into a mould；Pressure；Die sinking pickup and etc..The present invention is easily flowed into using liquid when metal casting and describes easy feature, in conjunction with hot forging technology, make molten metal flowing forming in mold cavity, and the crystallization and freezing under larger static pressure force effect, and generate plastic deformation, it forcibly eliminates because metal liquid is shunk, solidification shrinkage is formed by shrinkage cavity and shrinkage porosite, to obtain the various Melted Metal Squeezing Workpieces without any casting flaw.Advantageous effect：The defect that casting technique generation can be eliminated improves product mechanical strength, and can produce the product for the complex geometric shapes that contour forging technique can not be processed, therefore not only increase the performance of product, and it is larger reduce energy consumption, saved the energy.
Description
Technical field
The present invention relates to a kind of digitlization liquid forging manufacturing methods of high-speed railway touching net parts, belong to machine
The technical field of tool processing.
Background technology
Currently, high-speed railway touching net parts product generally use casting technique or the manufacture of metal contour forging technique, use
The product of casting technique production easy tos produce shrinkage cavity and porosity, microstructure coarsening, and defect is more, is unfavorable for the raising of mechanical strength, cannot
Ensure the traffic safety requirement of bullet train；And use the product nothing of the contour forging technique production geometry more complex to some
Method is completed, and energy consumption is larger.
Invention content
The technical problem to be solved by the present invention is to：In order to overcome above-mentioned technical problem, a kind of high-speed railway contact is provided
The digitlization liquid forging manufacturing method of net parts, the defect that can eliminate casting technique generation improve product mechanical strength,
And the product of complex geometric shapes can be produced.
Technical solution：A kind of digitlization liquid forging manufacturing method of high-speed railway touching net parts, specific die forging work
Steps are as follows for skill：
A) melting of aluminium alloy stock, while mold is prepared and is preheated；
B) it molds；
C) aluminum water is poured into a mould；
D) it presses；
E) pickup is molded.
The melting includes the following steps：
A) preparation before melting；
B) it feeds；
C) heating fusing；
D) aluminum water refines；
E) detection, adjusting component；
F) furnace temperature is adjusted；
G) heat preservation for standby use.
The cast includes slow shot and fast shot, and slow shot pressure is 12 megapascal, and slow shot speed is 0.2-0.4 meters every
Second；Fast shot speed is 0.8-1 metre per second (m/s)s；Entire shot time is 6-8 seconds；It is 12-14 seconds to be kept for the time of pressure.
Aluminum water pouring temperature：660℃；Mold preheating temperature：180℃；Mold continuous work temperature：200-220℃.
The aluminum water refining temperature is 750 DEG C, aluminum water refining time：15 minutes.
Advantageous effect：The defect that casting technique generation can be eliminated improves product mechanical strength, and can produce die forging
The product for the complex geometric shapes that technique can not process, therefore the performance of product is not only increased, and larger reduction
Energy consumption, has saved the energy.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is liquid forging process flow chart；
Fig. 2 is fusion process schematic diagram.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below to the preferred embodiment of the present invention into
The detailed description of row.
A kind of digitlization liquid forging manufacturing method of high-speed railway touching net parts, specific contour forging technique step is such as
Under：
A) melting of aluminium alloy stock, while mold is prepared and is preheated；
B) it molds；
C) aluminum water is poured into a mould, and the cast includes slow shot and fast shot, and slow shot pressure is 12 megapascal, and slow shot speed is
0.2-0.4 metre per second (m/s)s；Fast shot speed is 0.8-1 metre per second (m/s)s；Entire shot time is 6-8 seconds；Aluminum water pouring temperature：660℃；
Mold preheating temperature：180℃；Mold continuous work temperature：200-220℃；
D) it presses, it is 12-14 seconds to be kept for the time of pressure；；
E) pickup is molded.
The melting includes the following steps：
A) preparation before melting；
B) it feeds；
C) heating fusing；
D) aluminum water refines, and the aluminum water refining temperature is 750 DEG C, aluminum water refining time：15 minutes；
E) detection, adjusting component；
F) furnace temperature is adjusted；
G) heat preservation for standby use.
The digitlization liquid forging manufacturing method of high-speed railway touching net parts is foundry engieering and hot forging technology
It is compound.The present invention is easily flowed into using liquid when metal casting and describes easy feature, in conjunction with hot forging technology, makes molten metal in mould
Have flowing forming in cavity, and the crystallization and freezing under larger static pressure force effect, and generate plastic deformation, forcibly eliminate because
Metal liquid is shunk, solidification shrinkage is formed by shrinkage cavity and shrinkage porosite, to obtain the various Melted Metal Squeezing Workpieces without any casting flaw.
Therefore Melted Metal Squeezing Workpieces are easy to eliminate casting flaw compared with casting；Compared with hot mould-forging piece, forming is easy, required plastic force
Small, i.e. the digitlization liquid forging manufacturing method of high-speed railway touching net parts takes full advantage of casting technique and hot-die forger
The strong point of skill, while also compensating for the deficiency of both techniques.Zero, the contact net manufactured using aluminum alloy melt technology of Liquid Die Forging
Part product has casing seat, sleeve ears, casing monaural, rotation ears, positioning pipe ears, positioning support, Messenger Wire base etc..
Liquid forging equipment has vertical and horizontal type structure form.The contact net zero manufactured using aluminum alloy melt technology of Liquid Die Forging
The material trademark of component product is AlSi7Mg0.3 and AlSi7Mg0.6；Aluminum water refining temperature：750℃；Aluminum water refining time：
15min；Aluminum water pouring temperature：660℃；Mold preheating temperature：180℃；Mold continuous work temperature：200~220 DEG C；Slow pressure
Injection pressure：12Mpa；Slow shot speed：0.2~0.4m/s；Fast shot speed：0.8~1.0m/s；Shot time：6~8s；It protects
Press the time：12~14s.
Claims (5)
1. a kind of digitlization liquid forging manufacturing method of high-speed railway touching net parts, which is characterized in that specific die forging work
Steps are as follows for skill：
A) melting of aluminium alloy stock, while mold is prepared and is preheated；
B) it molds；
C) aluminum water is poured into a mould；
D) it presses；
E) pickup is molded.
2. a kind of digitlization liquid forging manufacturing method of high-speed railway touching net parts according to claim 1,
It is characterized in that, the melting includes the following steps：
A) preparation before melting；
B) it feeds；
C) heating fusing；
D) aluminum water refines；
E) detection, adjusting component；
F) furnace temperature is adjusted；
G) heat preservation for standby use.
3. a kind of digitlization liquid forging manufacturing method of high-speed railway touching net parts according to claim 1,
It is characterized in that, the cast includes slow shot and fast shot, and slow shot pressure is 12 megapascal, and slow shot speed is 0.2-0.4 meters
It is per second；Fast shot speed is 0.8-1 metre per second (m/s)s；Entire shot time is 6-8 seconds；It is 12-14 seconds to be kept for the time of pressure.
4. a kind of digitlization liquid forging manufacturing method of high-speed railway touching net parts according to claim 1,
It is characterized in that, aluminum water pouring temperature：660℃；Mold preheating temperature：180℃；Mold continuous work temperature：200-220℃.
5. a kind of digitlization liquid forging manufacturing method of high-speed railway touching net parts according to claim 2,
It is characterized in that, the aluminum water refining temperature is 750 DEG C, aluminum water refining time：15 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710083222.8A CN108436059A (en) | 2017-02-16 | 2017-02-16 | A kind of digitlization liquid forging manufacturing method of high-speed railway touching net parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710083222.8A CN108436059A (en) | 2017-02-16 | 2017-02-16 | A kind of digitlization liquid forging manufacturing method of high-speed railway touching net parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108436059A true CN108436059A (en) | 2018-08-24 |
Family
ID=63190555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710083222.8A Withdrawn CN108436059A (en) | 2017-02-16 | 2017-02-16 | A kind of digitlization liquid forging manufacturing method of high-speed railway touching net parts |
Country Status (1)
| Country | Link |
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| CN (1) | CN108436059A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887474A (en) * | 2006-07-14 | 2007-01-03 | 哈尔滨工业大学 | Model and method for liquid state formation of aluminium hub disc for special vehicle |
| CN101229581A (en) * | 2008-01-25 | 2008-07-30 | 华中科技大学 | Casting method and mould for car air conditioning compressor slanting plate |
| CN102581256A (en) * | 2012-01-13 | 2012-07-18 | 江苏华威线路设备集团有限公司 | Aluminum alloy liquid die forging manufacturing process for parts of electrified high-speed railway contact nets |
| CN102825240A (en) * | 2012-09-26 | 2012-12-19 | 镇江市锻压机床厂 | Aluminum alloy liquid die forging manufacturing process |
| CN105834398A (en) * | 2016-05-17 | 2016-08-10 | 河南科技大学 | Liquid forging forming method for welding-neck flange, forming die and forming device |
-
2017
- 2017-02-16 CN CN201710083222.8A patent/CN108436059A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887474A (en) * | 2006-07-14 | 2007-01-03 | 哈尔滨工业大学 | Model and method for liquid state formation of aluminium hub disc for special vehicle |
| CN101229581A (en) * | 2008-01-25 | 2008-07-30 | 华中科技大学 | Casting method and mould for car air conditioning compressor slanting plate |
| CN102581256A (en) * | 2012-01-13 | 2012-07-18 | 江苏华威线路设备集团有限公司 | Aluminum alloy liquid die forging manufacturing process for parts of electrified high-speed railway contact nets |
| CN102825240A (en) * | 2012-09-26 | 2012-12-19 | 镇江市锻压机床厂 | Aluminum alloy liquid die forging manufacturing process |
| CN105834398A (en) * | 2016-05-17 | 2016-08-10 | 河南科技大学 | Liquid forging forming method for welding-neck flange, forming die and forming device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180824 |