CN109622838A - A kind of method and device of high temperature alloy heats forged - Google Patents
A kind of method and device of high temperature alloy heats forged Download PDFInfo
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- CN109622838A CN109622838A CN201811507175.6A CN201811507175A CN109622838A CN 109622838 A CN109622838 A CN 109622838A CN 201811507175 A CN201811507175 A CN 201811507175A CN 109622838 A CN109622838 A CN 109622838A
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- target forging
- grades
- forging
- design requirement
- target
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
Abstract
The embodiment of the present invention provides a kind of method and device of high temperature alloy heats forged.This method comprises: obtaining the design requirement of target forging；According to the first corresponding relationship of design requirement and high-temperature heating temperature, using the corresponding high-temperature heating temperature of the design requirement of the target forging as the high-temperature heating temperature of the target forging；According to the second corresponding relationship of design requirement and base deflection, using the corresponding base deflection of the design requirement of the target forging as the base deflection of the target forging；According to the third corresponding relationship of design requirement and shaping and deformation amount, using the corresponding shaping and deformation amount of the design requirement of the target forging as the shaping and deformation amount of the target forging.The embodiment of the present invention can reach the final necessary requirement of forging, reduce scrap of the product and cause the very big wasting of resources.
Description
Technical field
The invention belongs to forge hot-working field, it is related to a kind of method and device of high temperature alloy heats forged.
Background technique
GH4169 alloy is with body-centred cubic Ni3Nb (γ ") mutually with face-centred cubic Ni3(Al, Ti, Nb) (γ ') mutually sinks
The iron-based wrought superalloy of shallow lake constrictive type nickel-chromium-.There is high yield strength in 650 DEG C or less ranges, while having good
Hot-workability and anti-oxidant, anti-radiation, antifatigue and excellent welding performance.And by forging deformation after heating come real
Interior tissue needed for existing forging.
Producible forging forging type after the heating of the alloy are as follows: standard industry, high-intensitive technique, direct aging technique
Three categories, wherein high-strength technique and direct aging technique are used for high-quality GH4169 alloy forged piece, but the heating temperature of forging
It determines, can have a great impact to the physicochemical requirements of final forging；If mean grain size is according to, intensity index, thus to meet boat
The application requirement of different rotational parts in empty engine.
Since GH4169 alloy forged piece requires sensitivity to degree of heating, cause production fire, deflection and the temperature control of forging
System requires difference, is required according to GH4169 alloy forged piece grain size to need to set the deflection between deformation temperature and fire time, from
And reach the final necessary requirement of forging.
Summary of the invention
The technical problems to be solved by the present invention are: being wanted according to the temperature sensitive requirement of high temperature alloy forging to grain size
The deflection setting for needing to set between deformation temperature and fire time is asked, reaches the final necessary requirement of forging, needed for reaching forging finally
It is required that reducing scrap of the product and causing the very big wasting of resources.
The technical scheme is that
In a first aspect, providing a kind of method of high temperature alloy heats forged, comprising:
Obtain the design requirement of target forging；
It is according to the first corresponding relationship of design requirement and high-temperature heating temperature, the design requirement of the target forging is corresponding
High-temperature heating temperature of the high-temperature heating temperature as the target forging；
It is according to the second corresponding relationship of design requirement and base deflection, the design requirement of the target forging is corresponding
Base deflection of the base deflection as the target forging；
It is according to the third corresponding relationship of design requirement and shaping and deformation amount, the design requirement of the target forging is corresponding
Shaping and deformation amount of the shaping and deformation amount as the target forging, in order to user according to the heating temperature of the target forging,
The shaping and deformation amount of the base deflection of the target forging and the target forging controls the requirement of the target forging.
Further, the design requirement includes: the diameter of flaw detection rank and flat-bottom hole.
Further, first corresponding relationship includes:
When the flaw detection rank is A grades, and the diameter of the flat-bottom hole is 2mm, the high-temperature heating temperature is 1020 DEG C,
The interior tissue grain size of the target forging is 6 grades；
When the flaw detection rank is AA grades, and the diameter of the flat-bottom hole is 1.5mm, the high-temperature heating temperature is 1010
DEG C, the interior tissue grain size of the target forging is 8 grades；
When the flaw detection rank is AAA grades, and the diameter of the flat-bottom hole is 0.8mm, the high-temperature heating temperature is
1000 DEG C, the interior tissue grain size of the target forging is 10 grades.
Further, second corresponding relationship includes:
When the flaw detection rank is A grades, and the diameter of the flat-bottom hole is 2mm, the range of the base deflection is
15%-20%；
When the flaw detection rank is AA grades, and the diameter of the flat-bottom hole is 1.5mm, the range of the base deflection is
20%-25%；
When the flaw detection rank is AAA grades, and the diameter of the flat-bottom hole is 0.8mm, the range of the base deflection
It is 25%-30%.
Further, the third corresponding relationship includes:
When the flaw detection rank is A grades, and the diameter of the flat-bottom hole is 2mm, the range of the shaping and deformation amount is
25%-30%；
When the flaw detection rank is AA grades, and the diameter of the flat-bottom hole is 1.5mm, the range of the shaping and deformation amount is
30%-35%；
When the flaw detection rank is AAA grades, and the diameter of the flat-bottom hole is 0.8mm, the range of the shaping and deformation amount
It is 35%-40%.
Second aspect provides a kind of device of high temperature alloy heats forged, comprising:
Module is obtained, for obtaining the design requirement of target forging；
Determining module, for the first corresponding relationship according to design requirement and high-temperature heating temperature, by the target forging
Corresponding high-temperature heating temperature of the high-temperature heating temperature as the target forging of design requirement；According to design requirement and base
Second corresponding relationship of deflection, using the corresponding base deflection of the design requirement of the target forging as the target forging
Base deflection；According to the third corresponding relationship of design requirement and shaping and deformation amount, by the design requirement of the target forging
Shaping and deformation amount of the corresponding shaping and deformation amount as the target forging, in order to which user is according to the heating of the target forging
The shaping and deformation amount of temperature, the base deflection of the target forging and the target forging controls wanting for the target forging
It asks.
Advantages of the present invention: while forging required target forging, the qualification rate of target forging is improved.
Specific embodiment
Technical solution of the present invention is further described below with reference to example:
By taking GH4169 alloy is high temperature alloy as an example, a kind of side of high temperature alloy heats forged provided by the invention is introduced
Method.
1. temperature controls
In GH4169 alloy annular forging production process, heating using step preheat, by original process three steps heating or
The heating of two steps is improved to a heating temperature, adjusts soaking time design factor, cold burden heating, temperature: T1 is coldBy soaking time
It is calculated by 1.5-2.0min/mm, T2 heatIt is calculated by soaking time by 10.9-1.5min/mm.
In process of production, different forging is required for flaw detection, the heating temperature of setting is different, according to mass production
Verifying show that GH4169 flaw detection rank is AAA grades,When flat-bottom hole, temperature should be 1020 DEG C；GH4169 flaw detection rank be
AA grades,When flat-bottom hole, temperature should be 1010 DEG C；GH4169 flaw detection rank is A grades,When flat-bottom hole, temperature be should be
1000℃；To realize that forging interior tissue grain size is 6 grades, 8 grades, 10 grades.
2. deformation amount controlling
1) deflection in forging process between the every fire time of strict control
Base: when GH4169 flaw detection rank be AAA grades,When flat-bottom hole, base deflection should be in 15%-20% range
It is interior；
GH4169 flaw detection rank is AA grades,When flat-bottom hole, base deflection should be within the scope of 15%-20%；
GH4169 flaw detection rank is A grades,When flat-bottom hole, base deflection is answered within the scope of 15%-20%；
Molding: GH4169 flaw detection rank is AAA grades,When flat-bottom hole, shaping and deformation amount should be in 25%-30% range
It is interior；
GH4169 flaw detection rank is AA grades,When flat-bottom hole, shaping and deformation amount should be within the scope of 30%-35%；
GH4169 flaw detection rank is A grades,When flat-bottom hole, shaping and deformation amount should be within the scope of 35%-40%.
Sealing gland ring forging of the present invention, part sizeMaterial: GH4169, classification I, work
Skill regulatory requirements blanking specification:Weight: 29Kg, all round properties index and grain size of forging require to meet
The requirement of xx-0504 standard (grain size requires 4 grades).
It is as follows in detail that it forges step:
Step 1:After 890 DEG C of batch of material enter 1010 DEG C of high-temperature holding time 300min of furnace heating,(1 fire is completed)；(1 fire is completed)；
Step 2:And the upper and lower end face of falling inner hole chamfering R10；Sand, polishing.
Step 3: forging enters furnace by 890 DEG C and heats up (3 fire complete) after 1010 DEG C of time 70min after vehicle；Horse expands planar end surface extremely
Forging's block dimension:(1 fire is completed)；
Step 4: being heat-treated according to heat treatment specification to forging
Step 5: forging is carried out physical and chemical testing, performance indexes reaches standard, and grain size reaches requirement.
Claims (6)
1. a kind of method of high temperature alloy heats forged characterized by comprising
Obtain the design requirement of target forging；
According to the first corresponding relationship of design requirement and high-temperature heating temperature, by the corresponding height of design requirement of the target forging
High-temperature heating temperature of the warm heating temperature as the target forging；
According to the second corresponding relationship of design requirement and base deflection, by the corresponding base of design requirement of the target forging
Base deflection of the deflection as the target forging；
According to the third corresponding relationship of design requirement and shaping and deformation amount, by the corresponding molding of design requirement of the target forging
Shaping and deformation amount of the deflection as the target forging, in order to which user is according to the heating temperature of the target forging, described
The shaping and deformation amount of the base deflection of target forging and the target forging controls the requirement of the target forging.
2. the method according to claim 1, wherein the design requirement includes: flaw detection rank and flat-bottom hole
Diameter.
3. according to the method described in claim 2, it is characterized in that, first corresponding relationship includes:
When the flaw detection rank is A grades, and the diameter of the flat-bottom hole is 2mm, the high-temperature heating temperature is 1020 DEG C of ∽
1030 DEG C, the interior tissue grain size of the target forging is 6 grades 5 grades of ∽；
When the flaw detection rank is AA grades, and the diameter of the flat-bottom hole is 1.5mm, the high-temperature heating temperature is 1010 DEG C of ∽
1020 DEG C, the interior tissue grain size of the target forging is 8 grades 7 grades of ∽；
When the flaw detection rank is AAA grades, and the diameter of the flat-bottom hole is 0.8mm, the high-temperature heating temperature is 1000 DEG C
1010 DEG C of ∽, the interior tissue grain size of the target forging is 10 grades 9 grades of ∽.
4. according to the method described in claim 2, it is characterized in that, second corresponding relationship includes:
When the flaw detection rank is A grades, and the diameter of the flat-bottom hole is 2mm, the range of the base deflection is 15%-
20%；
When the flaw detection rank is AA grades, and the diameter of the flat-bottom hole is 1.5mm, the range of the base deflection is
20%-25%；
When the flaw detection rank is AAA grades, and the diameter of the flat-bottom hole is 0.8mm, the range of the base deflection is
25%-30%.
5. according to the method described in claim 2, it is characterized in that, the third corresponding relationship includes:
When the flaw detection rank is A grades, and the diameter of the flat-bottom hole is 2mm, the range of the shaping and deformation amount is 25%-
30%；
When the flaw detection rank is AA grades, and the diameter of the flat-bottom hole is 1.5mm, the range of the shaping and deformation amount is
30%-35%；
When the flaw detection rank is AAA grades, and the diameter of the flat-bottom hole is 0.8mm, the range of the shaping and deformation amount is
35%-40%.
6. a kind of device of high temperature alloy heats forged characterized by comprising
Module is obtained, for obtaining the design requirement of target forging；
Determining module, for the first corresponding relationship according to design requirement and high-temperature heating temperature, by setting for the target forging
Meter requires high-temperature heating temperature of the corresponding high-temperature heating temperature as the target forging；It is deformed according to design requirement and base
Second corresponding relationship of amount, using the corresponding base deflection of the design requirement of the target forging as the system of the target forging
Base deflection；It is according to the third corresponding relationship of design requirement and shaping and deformation amount, the design requirement of the target forging is corresponding
Shaping and deformation amount of the shaping and deformation amount as the target forging, in order to which user is according to the heating temperature of the target forging
Degree, the base deflection of the target forging and the target forging shaping and deformation amount control wanting for the target forging
It asks.
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| CN201811507175.6A CN109622838B (en) | 2018-12-11 | 2018-12-11 | Method and device for heating and forging high-temperature alloy |
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|---|---|---|---|
| CN201811507175.6A CN109622838B (en) | 2018-12-11 | 2018-12-11 | Method and device for heating and forging high-temperature alloy |
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| CN109622838B CN109622838B (en) | 2020-08-11 |
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Cited By (1)
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| CN110947886A (en) * | 2019-12-11 | 2020-04-03 | 陕西宏远航空锻造有限责任公司 | Method and device for heating and forging high-temperature alloy |
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| EP1433863A1 (en) * | 2002-12-26 | 2004-06-30 | General Electric Company | Method for producing homogeneous fine grain titanium alloys suitable for ultrasonic inspection |
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| CN106607529A (en) * | 2015-10-27 | 2017-05-03 | 陕西宏远航空锻造有限责任公司 | Forging method for high-temperature alloy biscuits |
| CN108246947A (en) * | 2017-12-07 | 2018-07-06 | 陕西宏远航空锻造有限责任公司 | A kind of GH4169 alloy die forgings improve the forging method of flaw detection bottom damage |
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| EP1433863A1 (en) * | 2002-12-26 | 2004-06-30 | General Electric Company | Method for producing homogeneous fine grain titanium alloys suitable for ultrasonic inspection |
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