CN104624897B - L15 air intake duct inside panel die forging production technology - Google Patents
L15 air intake duct inside panel die forging production technology Download PDFInfo
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Abstract
The invention discloses a kind of L15 air intake duct inside panel die forging production technology, including step: get the raw materials ready；Heat before cogging；Die forging forging stock, forging stock height is 140mm；Retain forging stock termination, control forging stock height dimension；The inside panel being processed to form forging stock by Q/SWA JGY035600 2008 carries out erosion and washes and repair wound；Machining forging stock upper and lower surface；Heat before final pressure；Final pressure；By Q/SWA JGY035600 2008, inside panel carries out erosion to wash and repair wound；Trimming；Annealing；Sampling.Owing to inside panel is processed by die forging, and die forging to produce be design forging part, i.e. forging stock on the basis of part, forging stock is distributed along part outline, and then makes the height of forging stock be set to 140mm can to meet die-forging forming.Therefore, the L15 air intake duct inside panel die forging production technology that the application provides is effectively prevented from open die forging and makes forging stock thicker, the situation that forging stock utilization rate is low.
Description
Technical field
The present invention relates to air intake duct wallboard technology field, enter particularly to a kind of L15
Air flue inside panel die forging production technology.
Background technology
L15 air intake duct forging comprises inside panel (forging code name L15M-1) and inside panel (forging altogether
Part code name L15M-2) two kinds of forging parts, it may be assumed that
| Forging title | Forging code name | Alloy state | Forging classification | Forge weight |
| Inside panel | L15M-1 | LF6M | I class | 542kg |
| Inside panel | L15M-2 | LD5CS | I class | 430kg |
Inside panel forging is processed by open die forging, wherein, during inside panel forging process, and inwall
Plate forging stock length has in the square forging of 1400mm, 1000mm, 450mm respectively
Process.
But, owing in open die forging, the height of the forging stock of inside panel forging is 450mm, and inwall
Plate finally height only 120mm, causes forging stock major part waste in open die forging so that forging stock
Utilization rate is relatively low.
Therefore, how to solve owing to open die forging makes the situation that forging stock utilization rate is low, be this area
The technical problem that technical staff is urgently to be resolved hurrily.
Summary of the invention
It is an object of the invention to provide a kind of L15 air intake duct inside panel die forging production technology, to solve
Certainly make, due to open die forging, the situation that forging stock utilization rate is low.
For achieving the above object, the present invention provides a kind of L15 air intake duct inside panel die forging to produce work
Skill, including step:
Prepare forging stock；
Heat before cogging；
Die forging forging stock, described forging stock height is 140mm；
Excise described forging stock termination, control described forging stock height dimension；
Described forging stock fold surface is removed by Q/SWA JGY035600-2008；
Machine described forging stock upper and lower surface；
Heat before described forging stock is carried out final pressure；
Described forging stock is carried out final pressure；
The inside panel being processed to form described forging stock by Q/SWA JGY035600-2008 loses
Wash and repair wound；
The edge of described inside panel is carried out trimming；
Described inside panel is annealed；
Sample described inside panel.
Preferably, before described cogging, heating includes step:
Use forging stock heating to share stove described forging stock is heated, heating-up temperature: 420 DEG C～440 DEG C,
Temperature retention time >=450 minute；
Instrument is heated by use instrument heating furnace, heating-up temperature: 350 DEG C～420 DEG C, little flat anvil
More than 6 hours heat time heating time.
Preferably, described die forging forging stock includes step:
Use 6000 tons of hydraulic presses and little flat anvil to forge described forging stock, open forging temperature: 410 DEG C～
440 DEG C, final forging temperature >=350 DEG C；
Fire: 1 fire～2 fire.
Preferably, after being additionally included in the described forging stock upper and lower surface of machining, before final pressure
Before heating, described forging stock upper and lower surface is carried out A level flaw detection.
Preferably, before described final pressure, heating includes step:
Use forging stock heating to share stove described forging stock is heated, heating-up temperature: 410 DEG C～440 DEG C,
Temperature retention time >=200 minute.
Instrument is heated by use instrument heating furnace；
Final pressure mould heating-up temperature: 350 DEG C～420 DEG C, more than 10 hours heat time heating time.
Preferably, described final pressure includes step:
Use 30000 tons of hydraulic presses that described forging stock is forged, open forging temperature: 410 DEG C～
440 DEG C, final forging temperature >=380 DEG C.
Described forging stock is put in described hydraulic press middle, is depressed into under-voltage amount=0～3.5mm；
Fire: 1 fire～2 fire.
Preferably, described annealing includes step:
Use the heating of 4# air hardening stove, forging stock to share road to quench；
Equipment requirements: furnace body temperature uniformity meets requirement, temperature-measuring results is before the deadline；
Frame up requirement: forging keeps flat, and must not overlapping stack；
Annealing schedule: temperature 380±14DEG C, by air thermal preservation 420 minutes.
Preferably, after being additionally included in annealing, the inwall before sampling, described forging stock being processed into
The periphery of plate carries out A level flaw detection.
Preferably, described forging stock upper and lower surface fineness more than 5.
Preferably, described forging stock burr milling, described burr residual quantity≤5mm.
In technique scheme, the L15 air intake duct inside panel die forging that the present invention provides produces work
Skill, including step: prepare forging stock；Heat before cogging；Die forging forging stock, described forging stock height is
140mm；Excision forging stock termination, controls forging stock height dimension；By Q/SWA
JGY035600-2008 removes forging stock fold surface；Machining forging stock upper and lower surface；Right
Forging stock heats before carrying out final pressure；Forging stock is carried out final pressure；By Q/SWA JGY035600-2008
The inside panel being processed to form forging stock carries out erosion and washes and repair wound；The edge of inside panel is carried out trimming；
Inside panel is annealed；Sampling inside panel.
By foregoing description, the L15 air intake duct inside panel die forging provided in the present invention produces
In technique, inside panel is processed by die forging, and die forging production is design mould on the basis of part
Forging, i.e. forging stock, forging stock is distributed along part outline, and then the height of forging stock is set to
140mm can meet die-forging forming, can improve again stock utilization to greatest extent, reduces gold
Belong to and putting into.Therefore, the L15 air intake duct inside panel die forging production technology that the application provides is effectively
Open die forging is avoided to make forging stock thicker, the situation that forging stock utilization rate is low.
Accompanying drawing explanation
The kind L15 air intake duct inside panel die forging production technology that Fig. 1 is provided by the embodiment of the present invention
Flow chart.
Detailed description of the invention
The core of the present invention is to provide a kind of L15 air intake duct inside panel die forging production technology, to solve
Certainly make, due to open die forging, the situation that forging stock utilization rate is low.
In order to make those skilled in the art be more fully understood that technical scheme, knot below
The present invention is described in further detail to close drawings and embodiments.
Refer to Fig. 1, in a kind of detailed description of the invention, the L15 air intake duct that the present invention provides
Inside panel die forging production technology, including step: prepare forging stock, concrete, forging stock specification: Φ
550mm×1150mm3.Forging stock ingot is inherently required: stair oxidation film, one-level are loose, Jun Huochu
Reason, chemical analysis meets GB/T3190 requirement.The external requirement of forging stock: forging stock surface should be clean,
Roughness Ra less than 6.4；The crackle on surface, burr should be removed totally；Centre hole is polishing to width
Deep ratio is not less than 6 times.
Heat before cogging, heat before forging stock is carried out cogging, concrete, use forging stock to add heat seal
With stove, forging stock is heated, heating-up temperature: 420 DEG C～440 DEG C, be specifically as follows 420 DEG C, protect
Temperature time >=450 minute.Certainly heating-up temperature and temperature retention time are not limited to above-mentioned situation,
Such as, heating-up temperature be 410 DEG C can also, temperature retention time is also may be used for 440 minutes.Use instrument
Instrument is heated by heating furnace, heating-up temperature: 350 DEG C～420 DEG C, be specifically as follows 410 DEG C,
More than 6 hours heat time heating time of little flat anvil.
Die forging forging stock, forging stock height is 140mm.Concrete, die forging forging stock includes step: make
Forge forging stock with 6000 tons of hydraulic presses and little flat anvil, open forging temperature: 410 DEG C～440 DEG C, specifically
Can be 420 DEG C, final forging temperature >=350 DEG C；Fire: 1 fire～2 fire.Certainly, forging temperature is opened
Degree can be 410 DEG C, and final forging temperature can be 340 DEG C.
Retain forging stock termination, control forging stock height dimension；By Q/SWA JGY035600-2008
Remove forging stock fold surface.
Machining forging stock upper and lower surface, concrete, forging stock upper and lower surface is bright and clean
Degree 4, in order to improve inside panel crudy, it is preferable that forging stock upper and lower surface fineness
More than 5.
Heat before forging stock is carried out final pressure.Concrete, in order to improve production efficiency, preferably final pressure
Front heating includes step: uses forging stock heating to share stove and heats forging stock, heating-up temperature: 410 DEG C～
440 DEG C, it is specifically as follows 420 DEG C, temperature retention time >=200 minute.Certainly, heating-up temperature is
Also may be used for 400 DEG C.Instrument is heated by use instrument heating furnace；Final pressure mould heating-up temperature: 350 DEG C～
420 DEG C, it is specifically as follows 410 DEG C, more than 10 hours heat time heating time.
Forging stock is carried out final pressure.Concrete, in order to improve production efficiency further, final pressure includes
Step: use 30000 tons of hydraulic presses to forge forging stock, opens forging temperature: 410 DEG C～440 DEG C,
It is specifically as follows 420 DEG C, final forging temperature >=380 DEG C, certainly, open forging temperature and can also be 400 DEG C.
Forging stock is put in hydraulic press middle, is depressed into under-voltage amount=0～3.5mm.Fire: 1 fire～2 fire.
By Q/SWA JGY035600-2008, inside panel carries out erosion to wash and repair wound.
The edge of inside panel is carried out trimming.In order to improve the crudy of inside panel, it is preferable that
Forging stock burr milling, and burr residual quantity≤5mm.Certainly, burr residual quantity be 6mm also
Can.
Inside panel is annealed.Annealing includes step: use 4# air hardening stove, forging stock to add
Heat seal road quenches；Equipment requirements: furnace body temperature uniformity meets requirement, temperature-measuring results
Before the deadline.Frame up requirement: forging keeps flat, and must not overlapping stack；Annealing schedule: temperature
380±14DEG C, by air thermal preservation 420 minutes.
Sampling inside panel.Tension sample can be taken at sampling area piece by piece by forging, will during sampling
Demanding party's sampling material together cuts and stamps the marking identical with forging, and properly preservation is handed over as reviewing material
Goods.
By foregoing description, in the L15 air intake duct that the specific embodiment of the invention is provided
In wallboard die forging production technology, inside panel is processed by die forging, and die forging produces at part
On the basis of design forging part, forging part is distributed along part outline, and then makes forging part
Highly it is set to 140mm and can meet die-forging forming, material use can be improved again to greatest extent
Rate, reduces metal and puts into.Therefore, the L15 air intake duct inside panel die forging that the application provides produces
Technique is effectively prevented from open die forging and makes forging stock thicker, the situation that forging stock utilization rate is low.
Further, this L15 air intake duct inside panel die forging production technology is additionally included in machining forging stock
After upper and lower surface, before final pressure, before heating, forging stock upper and lower surface is carried out A
Level flaw detection.By the upper and lower surface of forging stock is detected a flaw, it is simple to staff is timely
Revise forging stock, further increase inside panel crudy.
Further, after this L15 air intake duct inside panel die forging production technology is additionally included in annealing,
Before sampling, the periphery to inside panel carries out A level flaw detection.By inside panel periphery is carried out
Flaw detection, it is simple to staff revises inside panel in time, further improves the processing of inside panel
Quality.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment emphasis is said
Bright is all the difference with other embodiments, and between each embodiment, identical similar portion is mutual
See mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of
Or the use present invention.Those skilled in the art are come by the multiple amendment to these embodiments
Saying and will be apparent from, generic principles defined herein can be without departing from the present invention's
In the case of spirit or scope, realize in other embodiments.Therefore, the present invention will not be by
It is limited to the embodiments shown herein, and is to fit to and principles disclosed herein and new
The widest scope that grain husk feature is consistent.
Claims (9)
1. a L15 air intake duct inside panel die forging production technology, it is characterised in that include step:
Prepare forging stock；
Heat before cogging；
Die forging forging stock, described forging stock height is 140mm；
Excise described forging stock termination, control described forging stock height dimension；
Described forging stock fold surface is removed by Q/SWA JGY035600-2008；
Machine described forging stock upper and lower surface；
Heat before described forging stock is carried out final pressure；
Described forging stock is carried out final pressure；
The inside panel being processed to form described forging stock by Q/SWA JGY035600-2008 carries out erosion and washes and repair wound；
The edge of described inside panel is carried out trimming；
Described inside panel is annealed；
Sample described inside panel；
Wherein, before described cogging, heating includes step: uses forging stock heating to share stove and heats described forging stock, heating-up temperature: 420 DEG C～440 DEG C, temperature retention time >=450 minute；Instrument is heated by use instrument heating furnace, heating-up temperature: 350 DEG C～420 DEG C, more than 6 hours heat time heating time of little flat anvil.
L15 air intake duct inside panel die forging production technology the most according to claim 1, it is characterised in that described die forging forging stock includes step:
Use 6000 tons of hydraulic presses and little flat anvil to forge described forging stock, open forging temperature: 410 DEG C～440 DEG C, final forging temperature >=350 DEG C；
Fire: 1 fire～2 fire.
L15 air intake duct inside panel die forging production technology the most according to claim 1, it is characterised in that after being additionally included in the described forging stock upper and lower surface of machining, before heating, described forging stock upper and lower surface is carried out A level flaw detection before final pressure.
L15 air intake duct inside panel die forging production technology the most according to claim 1, it is characterised in that heat before described final pressure and include step:
Use forging stock heating to share stove described forging stock is heated, heating-up temperature: 410 DEG C～440 DEG C, temperature retention time >=200 minute；
Instrument is heated by use instrument heating furnace；
Final pressure mould heating-up temperature: 350 DEG C～420 DEG C, more than 10 hours heat time heating time.
L15 air intake duct inside panel die forging production technology the most according to claim 1, it is characterised in that described final pressure includes step:
Use 30000 tons of hydraulic presses that described forging stock is forged, open forging temperature: 410 DEG C～440 DEG C, final forging temperature >=380 DEG C；
Described forging stock is put in described hydraulic press middle, is depressed into under-voltage amount=0～3.5mm；
Fire: 1 fire～2 fire.
L15 air intake duct inside panel die forging production technology the most according to claim 1, it is characterised in that described annealing includes step:
Use the heating of 4# air hardening stove, forging stock to share road to quench；
Equipment requirements: furnace body temperature uniformity meets requirement, temperature-measuring results is before the deadline；
Frame up requirement: forging keeps flat, and must not overlapping stack；
Annealing schedule: temperature 380 ± 14 DEG C, by air thermal preservation 420 minutes.
L15 air intake duct inside panel die forging production technology the most according to claim 1, it is characterised in that after being additionally included in annealing, before sampling, the periphery to the inside panel that described forging stock is processed into carries out A level flaw detection.
L15 air intake duct inside panel die forging production technology the most according to claim 1, it is characterised in that described forging stock upper and lower surface fineness more than 5.
9. according to the L15 air intake duct inside panel die forging production technology according to any one of claim 1-8, it is characterised in that described forging stock burr milling, described burr residual quantity≤5mm.
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| CN201410778530.9A CN104624897B (en) | 2014-12-15 | 2014-12-15 | L15 air intake duct inside panel die forging production technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410778530.9A CN104624897B (en) | 2014-12-15 | 2014-12-15 | L15 air intake duct inside panel die forging production technology |
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| CN104624897A CN104624897A (en) | 2015-05-20 |
| CN104624897B true CN104624897B (en) | 2016-08-24 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172755A (en) * | 2011-03-30 | 2011-09-07 | 重庆长征重工有限责任公司 | Connecting rod manufacturing method capable of improving surface quality of connecting rod of medium-speed/high-speed diesel engine |
| CN102416414A (en) * | 2011-09-16 | 2012-04-18 | 湖北三江航天江北机械工程有限公司 | Method for controlling accuracy of shape of ultrahigh-strength steel thin-wall cylinder |
| CN103831597A (en) * | 2014-04-01 | 2014-06-04 | 台州市中奥特种设备检测技术服务有限公司 | Copper alloy valve forging production processing technique |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6945307B2 (en) * | 2003-08-11 | 2005-09-20 | Nelson Precision Casting Co., Ltd. | Method for manufacturing a golf club head |
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2014
- 2014-12-15 CN CN201410778530.9A patent/CN104624897B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172755A (en) * | 2011-03-30 | 2011-09-07 | 重庆长征重工有限责任公司 | Connecting rod manufacturing method capable of improving surface quality of connecting rod of medium-speed/high-speed diesel engine |
| CN102416414A (en) * | 2011-09-16 | 2012-04-18 | 湖北三江航天江北机械工程有限公司 | Method for controlling accuracy of shape of ultrahigh-strength steel thin-wall cylinder |
| CN103831597A (en) * | 2014-04-01 | 2014-06-04 | 台州市中奥特种设备检测技术服务有限公司 | Copper alloy valve forging production processing technique |
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