CN106311942A - Forging method for producing N80A alloy by utilizing radial forging machine - Google Patents
Forging method for producing N80A alloy by utilizing radial forging machine Download PDFInfo
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- CN106311942A CN106311942A CN201510354293.8A CN201510354293A CN106311942A CN 106311942 A CN106311942 A CN 106311942A CN 201510354293 A CN201510354293 A CN 201510354293A CN 106311942 A CN106311942 A CN 106311942A
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Abstract
The invention provides a forging method for producing an N80A alloy by utilizing a radial forging machine. The method comprises the following steps: in first firing, machining an octagonal billet to obtain a billet of which the diameter Phi is 265, conducting large head flatting on the obtained billet, and measuring the total length and the effective billet length of the finally obtained billet; in second firing, straightening a caliper handle under 2000T or 4000T; and in third firing, producing each section of variable cross-section forge piece, wherein the step of large head flatting is cutting the head, with the caliper handle, of the billet. The forging method has the advantages that an N80A alloy variable cross-section forge piece is a new product development item, and is never produced in the field yet; the forging method (operation method) is obtained by changing the conventional forging method according to problems occur in several production processes of the forge piece; and practice proves that the effectiveness and the practicality of the operation method (forging method) are determined after a period of application, and the operation method is a successful operation method.
Description
Technical field
The present invention relates to the hot-working of metallurgy industry metal material, refer in particular to for the hot worked operational approach of metal forging.
Background technology
N80A alloy is with Ni-Cr as base, carries out the heat-resisting alloy strengthened with Al, Ti, and alloy uses temperature to be about 815
DEG C, at 650～850 DEG C, there is good creep-resistant property and antioxygenic property, alloy is mainly used to manufacture gas turbine leaf
Sheet and one or more fasteners, be used as the parts such as low pressure I and II wormwheel blade and bolt material in certain model aero-engine.
N80A variable cross-section produces that to have production efficiency at 13MN high, and lumber recovery is high but the feature of complex procedures, because of 13MN
Footpath forging equipment is new equipment, and some modes of production and state modulator are also deposited also in stage of fumbling, the production to new product
Immature in production method, the problems to be solved such as the mode of production is unreasonable.
Summary of the invention
It is an object of the invention to: by the tool of production, production fire time and deformation process, key points for operation, attention thing
?.Improvement Deng operation technique improves the lumber recovery of N80A.
The present invention is achieved by the following technical solutions:
The present invention provides a kind of forging method utilizing diameter forging machine to produce N80A alloy, and it comprises the steps:
In the first fire time, anise base is machined to Φ 265, obtains blank, after described blank carries out major part tack, survey
The total length of amount blank and effective charge length；I.e. from a forging dimension process of anistree blank forging to Φ 265, from eight
Angle is to circle.Adding pincers bar to add effective length and be primarily due to need consider heating furnace length, so wanting computational length, controlling long
Degree.
In the second fire time, at 2000T or 4000T to pincers Ba Jinhang alignment；It is Φ 265 by whole of One-time forging material,
Can produce after end pincers bar with Φ 265 blank not on same concentric position, can make blank in forging process as being directly produced
It is eccentric that four facial disfigurement inequalities are directed at finished product.Alignment pincers bar mainly allows pincers bar with blank on same concentric line.So four
After the pressure of face, deformation is uniformly.Figure seven).
2000T and 4000T refers to the title of two machines.Pincers bar refers to that joint material utilizing operation machine to clamp, main
Syllabus it is advantageous for producing.
In the 3rd fire time, produce each section of variable cross-section forging；
Wherein, described major part tack refers to cut flat with one that has pincers bar in blank；
After described effective length is for removing pincers Ba Changdu, the length of blank；
The total length of described blank is blank effective length and pincers Ba Changdu sum.
Preferably, the described Φ 265 that is machined to by anise base refers to carry out whole 350 anises at 13MN machine
Processing.
Preferably, the operation producing each section of variable cross-section forging is:
Operation machine location dimension is first re-calibrated by S1, tup is closed tight, deducts 320mm with the charging length that computer shows
For data, to operation machine jaw from tup end face amount, carry out labelling, it is ensured that precision；
S2, according to variable cross-section size and length requirement, forges charge length needed for calculating, work up the location of operation machine
Data；
S3 blank out after, manual feeding, according to ready-made mark line, clamp pincers handle；
S4 carries out size, linear measure longimetry after becoming a useful person immediately, if any deviation, adjusts data immediately, then forges once；
After S5 blanking, hot saw, according to technological requirement fervent first paragraph variable cross-section forging, is measuring clout total length, makees
For producing the data of second segment forging.
Preferably, in described S3, when the first passage, the 3rd passage charging, control blank end and enter hammer
Head plane 30～50mm.(why feed control 30～50mm, Fig. 5: be due to the particularity of N80A material,
Heats forged temperature is the highest, often occurs not forging a few passage temperature just fall a lot, and now armrest moves forging is cannot be complete
Become, therefore automatic feed amount number be crux, through repeatedly putting into practice discovery, the feed of 40mm is ideal, it
Not only can meet inside and surface quality, the most also reach to extend system and sent the requirement of 1.3.Fig. 3 shows that operation may
End cross crack occurs, it is also possible to there will be end and package phenomenon.Fig. 4 shows that feed is excessive and there will be face crack,
The phenomenons such as underbead crack lengthening coefficient exceeds standard.As shown in Figure 8)
Preferably, in described S4, after becoming a useful person, material long explanation side-play amount is put little, suitably amplify, otherwise
The most contrary.
Compared with prior art, the present invention has a following beneficial effect:
N80A alloy variable cross-section forging is a new product, and this maneuver is to summarize this forging institute in production process several times
Produced problem, and it has been carried out corresponding change, in practice it has proved that, this maneuver is through application after a while, really
Found its effectiveness and practicality, be a successful maneuver.
Accompanying drawing explanation
The detailed description made non-limiting example with reference to the following drawings by reading, other of the present invention is special
Levy, purpose and advantage will become more apparent upon:
Fig. 1 is the structural representation of the blank after carrying out major part tack in the present invention；
Fig. 2 is the final structural representation forging finished product in the present invention；
Fig. 3 is the crackle being likely to occur in S3 step in the present invention；
When Fig. 4 is that in the present invention, in S3 step, feed is excessive；
Fig. 5 is the structural representation of 40mm feed in the present invention；
Fig. 6 is the schematic diagram of S2 step in forging process in the present invention；
Fig. 7 is the schematic diagram of S3 step in forging process in the present invention；
Fig. 8 is the schematic diagram of S3 step in forging process in the present invention；
Fig. 9 is the process chart of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in those skilled in the art
Member is further appreciated by the present invention, but limits the present invention the most in any form.It should be pointed out that, the common skill to this area
For art personnel, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement.These broadly fall into
Protection scope of the present invention.
The tool of production prepare: R3 tup, length bar, ruler, slide calliper rule, each one.
The flow process of the forging operation method of the present invention is as shown in Figure 9:
First fire: the anistree base of cylindrical Φ 350mm is machined to the cylinder blank of Φ 265mm, after major part tack
Measure blank total length and effective charge length (removing pincers length).(as shown in Figure 1)
Second fire: at 2000T or 4000T to pincers carrying out alignment.
3rd fire: production first paragraph variable cross-section forging:
The most first operation machine location dimension is re-calibrated.Tup is closed tight, deduct 320mm with the charging length that computer shows
For data, to operation machine jaw from tup end face amount, carry out labelling, it is ensured that precision.
2. according to variable cross-section size and length requirement, needed for calculating, forge charge length, work up the location number of operation machine
According to.
3. blank out after, manual feeding, according to ready-made mark line, clamp pincers handle.
4., during first and third passage charging, control blank end and enter about tup plane 40mm (as shown in Figure 5).
Lengthening coefficient is 1.3.Depending on remaining passage is according to material temperature situation.As material temperature the most just allows it forge voluntarily, as low in material temperature then
Or using blank end to enter about tup plane 40mm forges.
5. carry out size, linear measure longimetry after becoming a useful person immediately, if any deviation, adjust data immediately, then forge once.
6. after becoming a useful person, material long explanation side-play amount is put little, suitably amplify, otherwise the most contrary.
7., after blanking, hot saw, according to technological requirement fervent first paragraph variable cross-section forging, is measuring clout total length, as
Produce the data of second segment forging.
Key points for operation:
1. measure charge length and operation machine location line must be accurate.N80A blank is tighter.Raw material error 1cm
Finished product error 10cm.Error is likely to result in greatly cannot the qualified 3 sections of variable cross-sections of output.
2., during feeding, position without positioning baffle, use manual feeding, to add fast speed, it is ensured that material temperature.
3. operation machine material folding, must clamp in strict accordance with mark line, it is ensured that precision with ground control's personnel's close fit.
4. when forging first and third passage, coordinate with ground control personnel, manually locate blank seat in tup.
Because owing to blank is big, the material temperature the most relatively end, resistance of deformation is big, and when opening forging such as blank, end face is not in contact with tup and puts down
Face (as shown in Figure 3), but trapezoidal faces, during tup pressure, blank is obstructed owing to extending forward, simultaneously again by trapezoidal
Face gradient impact, blank runs backward, will be out of service when exceeding the nose balance scope of operation machine.And may
Owing to by excessive to rear impact, making blank be subjected to displacement in operation machine jaw, making location be forbidden, now need to stand
Carve and blank is carried out clamping position again.And when opening forging, as too much in tup plane contact amount in blank, due to deformation plance mistake
Many, resistance of deformation can be made to making press pressure too high excessive, can bear scope (as shown in Figure 4) beyond press so,
Blank and tup exposure (as shown in Figure 5) is controlled well when opening forging.During forging, the moment notes material temperature and tup
Pressure, makes the adjustment of stepping-in amount in time.
5., during forging, the moment notes material temperature and tup pressure, makes the adjustment of stepping-in amount in time.
6. after finishing passage is complete, take measurements immediately and length, have deviation to adjust in time, as all meet the requirements, to forging
Part carries out a finishing again, it is ensured that base shape.(as in figure 2 it is shown, forging final finished specification)
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in
Stating particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims,
This has no effect on the flesh and blood of the present invention.
Claims (5)
1. one kind utilizes the forging method that diameter forging machine produces N80A alloy, it is characterised in that comprise the steps:
In the first fire time, anise base is machined to Φ 265, obtains blank, after described blank carries out major part tack,
Measure the total length of blank and effective charge length；
Second fire time in, 2000T or 4000T ton forging press to pincers Ba Jinhang alignment；
In the 3rd fire time, produce each section of variable cross-section forging；
Wherein, described major part tack refers to cut flat with one that has pincers bar in blank；
After described effective length is for removing pincers Ba Changdu, the length of blank；
The total length of described blank is blank effective length and pincers Ba Changdu sum.
Diameter forging machine is utilized to produce the forging method of N80A alloy the most as claimed in claim 1, it is characterised in that
The described Φ 265 that is machined to by anise base refers to be processed whole 350 anises at 13MN machine.
Diameter forging machine is utilized to produce the forging method of N80A alloy the most as claimed in claim 1, it is characterised in that
The operation producing each section of variable cross-section forging is:
Operation machine location dimension is first re-calibrated by S1, tup is closed tight, deducts with the charging length that computer shows
320mm is data, to operation machine jaw from tup end face amount, carries out labelling, it is ensured that precision；
S2, according to variable cross-section size and length requirement, forges charge length needed for calculating, work up determining of operation machine
Bit data；
S3 blank out after, manual feeding, according to ready-made mark line, clamp pincers handle；
S4 carries out size, linear measure longimetry after becoming a useful person immediately, if any deviation, adjusts data immediately, then forges once；
After S5 blanking, hot saw, according to technological requirement fervent first paragraph variable cross-section forging, is measuring clout total length,
As the data producing second segment forging.
Diameter forging machine is utilized to produce the forging method of N80A alloy the most as claimed in claim 3, it is characterised in that
In described S3, when the first passage, the 3rd passage charging, control blank end and enter tup plane 30～50mm.
Diameter forging machine is utilized to produce the forging method of N80A alloy the most as claimed in claim 3, it is characterised in that
In described S4, after becoming a useful person, material long explanation side-play amount is put little, suitably amplify, otherwise the most contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510354293.8A CN106311942A (en) | 2015-06-24 | 2015-06-24 | Forging method for producing N80A alloy by utilizing radial forging machine |
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| CN201510354293.8A CN106311942A (en) | 2015-06-24 | 2015-06-24 | Forging method for producing N80A alloy by utilizing radial forging machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555202A (en) * | 2018-04-10 | 2018-09-21 | 抚顺特殊钢股份有限公司 | A kind of manufacturing method of the embedded pin flat bar of diameter forging machine production core grade driving mechanism |
| CN113560828A (en) * | 2021-08-19 | 2021-10-29 | 上海海隆石油管材研究所 | Preparation method of titanium alloy drill rod joint |
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| JPH01284448A (en) * | 1988-05-10 | 1989-11-15 | Daido Steel Co Ltd | Controlled forging method of ti alloy |
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| CN102700668A (en) * | 2012-06-12 | 2012-10-03 | 天津轻钛运动器材有限公司 | Titanium alloy seamless pipe with variable wall thickness as well as radial forging and forming mechanism and method of titanium alloy seamless pipe |
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| CN103492099A (en) * | 2011-04-25 | 2014-01-01 | 日立金属株式会社 | Fabrication method for stepped forged material |
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| WO2015006089A1 (en) * | 2013-07-08 | 2015-01-15 | Ati Flowform Products, Llc | Method of producing cold-worked centrifugal cast composite tubular products |
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| CN104525828A (en) * | 2014-12-09 | 2015-04-22 | 抚顺特殊钢股份有限公司 | Manufacturing method of high-temperature alloy Nimonic80A order shaft forging forged by radial forging machine |
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2015
- 2015-06-24 CN CN201510354293.8A patent/CN106311942A/en active Pending
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| CN103492099A (en) * | 2011-04-25 | 2014-01-01 | 日立金属株式会社 | Fabrication method for stepped forged material |
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| WO2015006089A1 (en) * | 2013-07-08 | 2015-01-15 | Ati Flowform Products, Llc | Method of producing cold-worked centrifugal cast composite tubular products |
| CN103350175A (en) * | 2013-07-12 | 2013-10-16 | 抚顺特殊钢股份有限公司 | Hammer forging forming method of high-temperature alloy GH4169 abnormal shape forge piece |
| CN103920846A (en) * | 2014-04-14 | 2014-07-16 | 攀钢集团江油长城特殊钢有限公司 | Radial forging method for high temperature alloy step shaft |
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| CN104525828A (en) * | 2014-12-09 | 2015-04-22 | 抚顺特殊钢股份有限公司 | Manufacturing method of high-temperature alloy Nimonic80A order shaft forging forged by radial forging machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555202A (en) * | 2018-04-10 | 2018-09-21 | 抚顺特殊钢股份有限公司 | A kind of manufacturing method of the embedded pin flat bar of diameter forging machine production core grade driving mechanism |
| CN113560828A (en) * | 2021-08-19 | 2021-10-29 | 上海海隆石油管材研究所 | Preparation method of titanium alloy drill rod joint |
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Application publication date: 20170111 |