CN108356209A - A kind of forging technology of alloy vane forging - Google Patents
A kind of forging technology of alloy vane forging Download PDFInfo
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- CN108356209A CN108356209A CN201810292816.4A CN201810292816A CN108356209A CN 108356209 A CN108356209 A CN 108356209A CN 201810292816 A CN201810292816 A CN 201810292816A CN 108356209 A CN108356209 A CN 108356209A
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- forging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K3/00—Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like
- B21K3/04—Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like blades, e.g. for turbines; Upsetting of blade roots
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
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- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Forging (AREA)
Abstract
The present invention relates to a kind of forging technologies of alloy vane forging comprising following steps：Blank is made in the alloy raw material of Nimonic101 materials by one, base；Two, the blank is carried out forging preceding heating；Three, die-forging forming；It will be by forging the preceding blank forging heated to blade forging using high power screw press；Four, the blade forging is heat-treated, Nimonic101 alloy vane forging is made.Present invention firstly provides the forming techniques for the alloy vane forging that Nimonic101 materials are realized on high power screw press, using the controllable precision strike of high power screw press stroke, realize repeatedly continuous strike；It can get more uniform structural state and good mechanical property；Increase intermediate heat-treatment technique, significantly improve the room temperature tensile intensity and yield strength of Nimonic101, and room temperature elongation percentage and the contraction percentage of area also slightly improve, forging technology of the invention can ensure the technology requirement that mechanical property, metallographic structure and the ultrasonic wave of forging can meet combustion engine blade using this alloy forged piece.
Description
Technical field
The present invention relates to Development of Blade Forging Technology field more particularly to a kind of forging technologies of alloy vane forging.
Background technology
Nimonic101 is the ageing strengthening type ni-base wrought superalloy of high-alloying, and the alloy strength is high, hot-working
Poor performance, domestic there has been no the precedents for producing the alloy vane forging.Such high temperature alloy is used for foreign oil and aviation field,
Mainly for the manufacture of high-temperature components such as combustion engine blade, blade of aviation engine, high temperature bolts.
Invention content
Technical problem to be solved by the invention is to provide a kind of forging technology of alloy vane forging, this forging technology energy
Ensure the forging technology requirement that mechanical property, metallographic structure and the ultrasonic wave of forging can meet combustion engine blade using the alloy.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of forging technology of alloy vane forging,
Include the following steps：
One, base；Blank is made in the alloy raw material of Nimonic101 materials；
Two, the blank is carried out forging preceding heating；Before the forging heating include the medium temperature heating period and be heated at high temperature the stage,
The heating temperature of the medium temperature heating period is 650~900 DEG C, and heating coefficient is 0.6~1min/mm, the high-temperature heating rank
The heating temperature of section is 930 DEG C~1200 DEG C, and heating coefficient is 0.6~1min/mm；
Three, die-forging forming；It will be by forging the preceding blank forging heated to blade forging using high power screw press；
Four, the blade forging is heat-treated；
The blade forging is subjected to solution heat treatment, is come out of the stove air-cooled；
Blade forging after will be air-cooled carries out intermediate heat-treatment at 1020~1080 DEG C, and keeps the temperature 8~16h, wind of coming out of the stove
It is cold；
Blade forging after will be air-cooled carries out aging strengthening model, comes out of the stove air-cooled, and Nimonic101 alloy vane forging is made.
Preferably, the operation of step 1 is：Raw material is distributed according to blade shape by jumping-up, pulling, blank is made, so
Afterwards in the blank surface sprayed protection agent.Wherein, jumping-up is heading processing --- refer to using the toolings such as pier nose mould enemy
Portion carries out jumping-up processing；Blank heating and to deformation position jacket after heading；Pulling refers to being pulled out in the enterprising line program of quick forging machine
It is long.
Preferably, in step 2, heating includes medium temperature heating period and high-temperature heating stage before the forging, and the medium temperature adds
The heating temperature in hot stage is 650~900 DEG C, and heating coefficient is 0.6~1min/mm.
The heating temperature of medium temperature heating period can be 670 DEG C, 700 DEG C, 720 DEG C, 750 DEG C, 780 DEG C, 800 DEG C, 820
DEG C, 850 DEG C, 880 DEG C, 890 DEG C, 893 DEG C, 895 DEG C or 898 DEG C；Heating coefficient can be 0.62min/mm, 0.65min/mm,
0.68min/mm、0.7min/mm、0.72min/mm、0.75min/mm、0.76min/mm、0.8min/mm、0.82min/mm、
0.85min/mm, 0.88min/mm, 0.9min/mm, 0.92min/mm, 0.95min/mm or 0.98min/mm.
Preferably, the heating coefficient of the medium temperature heating period is 0.8min/mm.
Preferably, the heating temperature in the high-temperature heating stage is 930~1200 DEG C, and heating coefficient is 0.6~1min/
mm。
The heating temperature in high-temperature heating stage can be 940 DEG C, 950 DEG C, 960 DEG C, 970 DEG C, 980 DEG C, 990 DEG C, 1000
℃、1010℃、1020℃、1030℃、1040℃、1050℃、1060℃、1070℃、1080℃、1090℃、1110℃、1120
DEG C, 1130 DEG C, 1140 DEG C, 1150 DEG C, 1160 DEG C, 1170 DEG C, 1180 DEG C or 1190 DEG C；Heating coefficient can be 0.62min/
mm、0.65min/mm、0.68min/mm、0.7min/mm、0.72min/mm、0.75min/mm、0.76min/mm、0.8min/
Mm, 0.82min/mm, 0.85min/mm, 0.88min/mm, 0.9min/mm, 0.92min/mm, 0.95min/mm or 0.98min/
mm。
Preferably, the heating coefficient in the high-temperature heating stage is 0.6min/mm.
Preferably, in step 3, forging deflection be 20~80%, such as 30%, 33%, 35%, 38%, 40%,
42%, 45%, 46%, 50%, 53%, 55%, 57%, 60%, 62%, 70%, 73%, 75% or 78%.
Preferably, solution heat treatment temperature is 1125 DEG C in step 4, keeps the temperature 4h.
Preferably, step 4 intermediate heat-treatment temperature is 1050~1080 DEG C, keeps the temperature 16h, and intermediate heat-treatment temperature can be with
It is 1050 DEG C, 1055 DEG C, 1058 DEG C, 1062 DEG C, 1065 DEG C, 1068 DEG C, 1070 DEG C, 1073 DEG C, 1075 DEG C, 1076 DEG C, 1078
DEG C, 1079 DEG C or 1080 DEG C.
Aging strengthening model temperature is 850 DEG C in preferred step 4, keeps the temperature 16h.
Compared with the prior art, the advantages of the present invention are as follows：Present invention firstly provides realized on high power screw press
The forming technique of the alloy vane forging of Nimonic101 materials can using the controllable precision strike of high power screw press stroke
Realize repeatedly continuous strike；And then more uniform structural state and good mechanical property can be obtained；Increase at intermediate heat
Science and engineering skill, room temperature tensile intensity and the surrender that Nimonic101 is significantly improved compared with currently used heat treatment method are strong
Degree, and room temperature elongation percentage and the contraction percentage of area also slightly improve, forging technology of the invention ensure that the mechanical property of forging, forge
The metallographic structure and ultrasound examination of part can meet technology requirement of the combustion engine blade to this alloy forged piece.
Description of the drawings
Fig. 1 is the structural schematic diagram of 1 alloy vane forging of the embodiment of the present invention；
Fig. 2 is the metallographic structure figure of 1 alloy vane forging of the embodiment of the present invention.
Specific implementation mode
Below in conjunction with attached drawing embodiment, present invention is further described in detail.
Embodiment 1
The forging technology of the alloy vane forging of the present embodiment, includes the following steps：
Blank is made, as shown in Figure 1 in the alloy raw material of Nimonic101 materials by one, base.
The step distributes raw material according to blade shape especially by jumping-up, pulling two procedures, and blank is made, then exists
Blank surface sprayed protection agent.
Jumping-up is heading --- and refer to and jumping-up processing is carried out to head using toolings such as pier nose moulds；Blank heating after heading
And to deformation position jacket；Pulling refers in the enterprising line programization pulling of quick forging machine.
Two, blank is carried out forging preceding heating.
Heating includes the medium temperature heating period and is heated at high temperature the stage before forging, wherein the heating temperature of medium temperature heating period is
650 DEG C, heating coefficient 0.6min/mm；The heating temperature in high-temperature heating stage is 930 DEG C, heating coefficient 0.6min/mm.
Three, die-forging forming.
It places the blanks in mold and forges, it will be by forging the preceding blank forging heated to blade using high power screw press
Forging, each section deformation amount controlling is 20~80%.
Four, the blade forging is heat-treated.
Blade forging is subjected to solution heat treatment, 1125 DEG C of solution heat treatment temperature keeps the temperature 4h, after heat preservation after heat penetration
It comes out of the stove and is air-cooled to room temperature；Air-cooled rear blade forging is subjected to intermediate heat-treatment at 1020 DEG C, 16h, heat preservation knot are kept the temperature after heat penetration
It comes out of the stove after beam air-cooled to room temperature；Air-cooled rear blade forging is subjected to aging strengthening model at 850 DEG C, 16h is kept the temperature after heat penetration, is kept the temperature
After come out of the stove and be air-cooled to room temperature, Nimonic101 alloy vane forging is made.As shown in Figure 2, manufactured in the present embodiment
Nimonic101 alloy vane forging has uniform structural state.
Generally speaking, the forging flow of the present embodiment alloy vane forging is as follows：
Heating → die-forging forming → heat treatment before blanking → heating → heading → pulling → sprayed protection agent → forging.
Embodiment 2
The forging technology of the alloy vane forging of the present embodiment, includes the following steps：
Blank is made in the alloy raw material of Nimonic101 materials by one, base.
The step distributes raw material according to blade shape especially by jumping-up, pulling two procedures, and blank is made, then exists
Blank surface sprayed protection agent.
Jumping-up is heading --- and refer to and jumping-up processing is carried out to head using toolings such as pier nose moulds；Blank heating after heading
And to deformation position jacket；Pulling refers in the enterprising line programization pulling of quick forging machine.
Two, blank is carried out forging preceding heating.
Heating includes the medium temperature heating period and is heated at high temperature the stage before forging, wherein the heating temperature of medium temperature heating period is
800 DEG C, heating coefficient 0.8min/mm；The heating temperature in high-temperature heating stage is 1050 DEG C, heating coefficient 0.6min/mm.
Three, die-forging forming；It places the blanks in mold and forges, it will be by forging the preceding base heated using high power screw press
Material forging is to blade forging, and each section deformation amount controlling is 20~80%.
Four, the blade forging is heat-treated.
Blade forging is subjected to solution heat treatment, 1125 DEG C of solution heat treatment temperature keeps the temperature 4h, after heat preservation after heat penetration
It comes out of the stove and is air-cooled to room temperature；Air-cooled rear blade forging is subjected to intermediate heat-treatment at 1050 DEG C, 16h, heat preservation knot are kept the temperature after heat penetration
It comes out of the stove after beam air-cooled to room temperature；Air-cooled rear blade forging is subjected to aging strengthening model at 850 DEG C, 16h is kept the temperature after heat penetration, is kept the temperature
After come out of the stove and be air-cooled to room temperature, Nimonic101 alloy vane forging is made.
Embodiment 3
The forging technology of the alloy vane forging of the present embodiment, includes the following steps：
Blank is made in the alloy raw material of Nimonic101 materials by one, base.
The step distributes raw material according to blade shape especially by jumping-up, pulling two procedures, and blank is made, then exists
Blank surface sprayed protection agent.
Jumping-up is heading --- and refer to and jumping-up processing is carried out to head using toolings such as pier nose moulds；Blank heating after heading
And to deformation position jacket；Pulling refers in the enterprising line programization pulling of quick forging machine.
Two, blank is carried out forging preceding heating.
Heating includes the medium temperature heating period and is heated at high temperature the stage before forging, wherein the heating temperature of medium temperature heating period is
900 DEG C, heating coefficient 1min/mm；The heating temperature in high-temperature heating stage is 1200 DEG C, heating coefficient 1min/mm.
Three, die-forging forming；It places the blanks in mold and forges, it will be by forging the preceding base heated using high power screw press
Material forging is to blade forging, and each section deformation amount controlling is 20~80%.
Four, the blade forging is heat-treated.
Blade forging is subjected to solution heat treatment, 1125 DEG C of solution heat treatment temperature keeps the temperature 4h, after heat preservation after heat penetration
It comes out of the stove and is air-cooled to room temperature；Air-cooled rear blade forging is subjected to intermediate heat-treatment at 1080 DEG C, 16h, heat preservation knot are kept the temperature after heat penetration
It comes out of the stove after beam air-cooled to room temperature；Air-cooled rear blade forging is subjected to aging strengthening model at 850 DEG C, 16h is kept the temperature after heat penetration, is kept the temperature
After come out of the stove and be air-cooled to room temperature, Nimonic101 alloy vane forging is made.
The conventional mechanical property for the Nimonic101 alloy vane forging that respectively prepared by testing example 1~3, test result
It is shown in Table 1.
The mechanical property of Nimonic101 alloy vane forging prepared by 1. each embodiment of table
The above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (8)
1. a kind of forging technology of alloy vane forging, which is characterized in that include the following steps：
One, base；Blank is made in the alloy raw material of Nimonic101 materials；
Two, the blank is carried out forging preceding heating；Heating includes the medium temperature heating period and is heated at high temperature the stage before the forging, described
The heating temperature of medium temperature heating period is 650~900 DEG C, and heating coefficient is 0.6~1min/mm, the high-temperature heating stage
Heating temperature is 930~1200 DEG C, and heating coefficient is 0.6~1min/mm.；
Three, die-forging forming；It will be by forging the preceding blank forging heated to blade forging using high power screw press；
Four, the blade forging is heat-treated：
The blade forging is subjected to solution heat treatment, is come out of the stove air-cooled；
Blade forging after will be air-cooled carries out intermediate heat-treatment at 1020~1080 DEG C, and keeps the temperature 8~16h, comes out of the stove air-cooled；
Blade forging after will be air-cooled carries out aging strengthening model, comes out of the stove air-cooled, and Nimonic101 alloy vane forging is made.
2. the forging technology of alloy vane forging according to claim 1, which is characterized in that the operation of step 1 is：It is logical
Cross jumping-up, pulling distributes raw material according to blade shape, obtained blank, then in the blank surface sprayed protection agent.
3. the forging technology of alloy vane forging according to claim 1, it is characterised in that：The medium temperature heating period
Heating coefficient is 0.8min/mm.
4. the forging technology of alloy vane forging according to claim 1, it is characterised in that：The high-temperature heating stage
Heating coefficient is 0.6min/mm.
5. the forging technology of alloy vane forging according to claim 1, it is characterised in that：In step 3, forging deformation
Amount is 20~80%.
6. the forging technology of alloy vane forging according to claim 1, which is characterized in that solution heat treatment in step 4
Temperature is 1125 DEG C, keeps the temperature 4h.
7. the forging technology of alloy vane forging according to claim 1, step 4 intermediate heat-treatment temperature is 1050~
1080 DEG C, keep the temperature 16h.
8. the forging technology of alloy vane forging according to claim 1, which is characterized in that aging strengthening model in step 4
Temperature is 850 DEG C, keeps the temperature 16h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810292816.4A CN108356209A (en) | 2018-03-30 | 2018-03-30 | A kind of forging technology of alloy vane forging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810292816.4A CN108356209A (en) | 2018-03-30 | 2018-03-30 | A kind of forging technology of alloy vane forging |
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| CN108356209A true CN108356209A (en) | 2018-08-03 |
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| CN201810292816.4A Withdrawn CN108356209A (en) | 2018-03-30 | 2018-03-30 | A kind of forging technology of alloy vane forging |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434275A (en) * | 2019-08-30 | 2019-11-12 | 中国航发动力股份有限公司 | A kind of GH4586 high-temperature alloy forging method |
| CN112170754A (en) * | 2020-09-18 | 2021-01-05 | 中国航发沈阳黎明航空发动机有限责任公司 | Forging forming process for rotor blade of difficultly-deformed alloy aircraft engine |
-
2018
- 2018-03-30 CN CN201810292816.4A patent/CN108356209A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434275A (en) * | 2019-08-30 | 2019-11-12 | 中国航发动力股份有限公司 | A kind of GH4586 high-temperature alloy forging method |
| CN112170754A (en) * | 2020-09-18 | 2021-01-05 | 中国航发沈阳黎明航空发动机有限责任公司 | Forging forming process for rotor blade of difficultly-deformed alloy aircraft engine |
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Application publication date: 20180803 |
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