CN106270330B - A kind of forging method of high temperature alloy arc-shaped workpiece - Google Patents
A kind of forging method of high temperature alloy arc-shaped workpiece Download PDFInfo
- Publication number
- CN106270330B CN106270330B CN201610867131.9A CN201610867131A CN106270330B CN 106270330 B CN106270330 B CN 106270330B CN 201610867131 A CN201610867131 A CN 201610867131A CN 106270330 B CN106270330 B CN 106270330B
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- formed punch
- arc
- shaped
- shaped workpiece
- inverted
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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
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
-
- 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
- B21J1/04—Shaping in the rough solely by forging or pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
A kind of forging method of high temperature alloy arc-shaped workpiece, it includes the following steps, step A, by high temperature alloy raw material by free forging for after slab, ring billet material is produced after punching, step B, one mold is provided, it includes the first formed punch, the inverted T-shaped formed punch being flexibly connected with first formed punch, it is used to support the first former of the ring billet material, the inverted T-shaped formed punch is placed on the ring billet material, then it connect first formed punch with the inverted T-shaped formed punch by static pressure machine, and make the inverted T-shaped formed punch to bottom offset, after the ring billet material is shaped as arc-shaped workpiece, the inverted T-shaped formed punch is fallen in the inner cavity in first former, first formed punch is detached from the contact with arc-shaped workpiece, complete forging.A kind of forging method of high temperature alloy arc-shaped workpiece provided by the present invention, during efficiently solving the hot flanging forming of arc forging, influence of the forging enclasping force to forming process working efficiency, and substantially increase the forming quality of forging.
Description
Technical field
The present invention relates to technical field of forging, in particular to a kind of forging method of high temperature alloy arc-shaped workpiece.
Background technique
In aero-engine, high temperature alloy arc thin-wall class part using more, due to the distinctive conjunction of high temperature alloy
Golden composition and heterogeneous microstructure determine that its heat processing and forming technique is different from other common materials, therefore, it will usually need
Blank is produced then again by machining final molding by forging method.
Since high temperature alloy plasticity is low, resistance of deformation is big, hot processing temperature narrow range, poor thermal conductivity.Therefore, usually forging
Blank made of doing usually may require that the overall dimensions of covering high-temperature alloy arc thin-wall class part.Fig. 1 is a kind of high temperature alloy
The blank structure schematic diagram of forging, shown in Figure 1, dotted line indicates the final products shape of thin wall component in figure, existing
Forging blank usually includes the cyclic structure of the final products size of thin wall component, and therefore, stock utilization is low, production is imitated
Rate is low, machine-finish allowance is big, processing cost is high, it is often more important that metal material is cut during machine adds, and can make component
Intensity substantially reduce.To obtain high-quality part, the forging tissue that streamline is smooth, tissue is fine and closely woven is obtained, it is therefore desirable to improve
Forging and forming technology method.
Fig. 2 is a kind of blank structure schematic diagram of high temperature alloy arc-shaped workpiece, and dotted line indicates the final of thin wall component in figure
Shape of product, it is shown in Figure 2, as can by forging blank be made with the consistent arc-shaped workpiece 100 of the thin wall component radian, then may be used
Improve stock utilization, and greatly reduce machine and add surplus, thus during avoiding machine from adding metal material heterogeneous microstructure change
Change.The thickness of the arc-shaped workpiece 100, which is typically larger than, is equal to 20mm.Its inner cavity minimum diameter D2 is about the 1/2 of outer wall maximum dimension D 1,
Its height H1 is about the 1/5 of outer wall maximum dimension D 1,
Fig. 3 is the principle schematic diagram of the forging mold of the existing high temperature alloy arc-shaped workpiece for manuscript 2, referring to
Shown in Fig. 3, it is slab high temperature alloy raw material are passed through free forging that existing high temperature alloy arc-shaped workpiece forging method, which is,
After (thickness is more than or equal to 20mm), ring billet material 3 is produced after punching, then provides a formed punch 1 and a former 2 passes through
Static pressure machine forges the hot flange of ring billet material 3, it is contemplated that rebound, therefore the size of the formed punch 1 are had after metal material thermal deformation
Interior chamber size than the arc-shaped workpiece 100 is 1-2mm big, and in actual production, the ring billet material 3 hot flange in mold is forged into
Shape is after the arc-shaped workpiece 100, since the height dimension of the arc-shaped workpiece 100 is bigger, curved radian is also very big, in addition heat
Rise the effect of shrinkage, 100 bottom of arc-shaped workpiece can be made to generate biggish tension, so that holding tightly is at 1 end of formed punch
Face up moves together with the formed punch 1, needs manually to remove the arc-shaped workpiece 100 from the formed punch 1, causes to produce
Process interrupt, therefore production efficiency is very low, and during removing, and 100 surface of internal cavity of arc-shaped workpiece is easy to cause to damage.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of forging methods of high temperature alloy arc-shaped workpiece, to be reduced or avoided
The problem of being formerly mentioned.
In order to solve the above technical problems, being used to add the present invention provides a kind of forging method of high temperature alloy arc-shaped workpiece
Work thickness is more than or equal to 20mm, and inner cavity minimum diameter D2 is about the 1/2 of outer wall maximum dimension D 1, and height H1 is about that outer wall is maximum straight
The high temperature alloy arc-shaped workpiece of the 1/5 of diameter D1 comprising following steps,
Step A, after high temperature alloy raw material are more than or equal to the slab of 20mm by free forging for thickness, through overshooting
Ring billet material is produced behind hole,
Step B provides a mold comprising the first formed punch, the inverted T-shaped formed punch being flexibly connected with first formed punch,
It is used to support the first former of the ring billet material, the height of the profile H2 of first formed punch in the arc-shaped workpiece 100
Between, the height of the enlarged head of the inverted T-shaped formed punch is between the 1/3-2/5 of the height of the arc-shaped workpiece 100, institute
The height that the sum of the height of the bar portion of inverted T-shaped formed punch and the profile of first formed punch 4 are greater than the arc-shaped workpiece is stated, it is described
The outer diameter of enlarged head is 2-3mm bigger than the inner cavity minimum diameter of the arc-shaped workpiece, and the molding surface size of first formed punch is than corresponding
The big 1-2mm of interior chamber size of the arc-shaped workpiece, the type face that the cavity heights of first former are greater than first formed punch 4 are high
The sum of degree, the height of the enlarged head and height of the bar portion, the ring billet material are placed on first former, in institute
It states and places the inverted T-shaped formed punch on ring billet material, then connect first formed punch with the inverted T-shaped formed punch by static pressure machine,
And making the inverted T-shaped formed punch to bottom offset, after the ring billet material is shaped as the arc-shaped workpiece, the enlarged head continues downward
The inner cavity for moving through the arc-shaped workpiece is fallen in the inner cavity in first former, and the static pressure machine drives described first
Formed punch moves up disengaging and the contact of the arc-shaped workpiece, completes the forging of the arc-shaped workpiece.
Preferably, the bar portion is provided with an annular groove.
Preferably, positioning pin is provided between first formed punch and the bar portion.
Preferably, locating piece is provided on first former.
Preferably, the enlarged head of the inverted T-shaped formed punch is further provided with an oil suction chamber, and the oil suction chamber can lead to
It crosses multiple radial direction oil holes to connect with the fuel feeding annular groove of the annular of the enlarged head lateral wall, the bottom of first former is provided with
The oil suction chamber can be connect by retractable and flexible oil pipe, the flexible tubing with external high-pressure oil feed equipment.
A kind of forging method of high temperature alloy arc-shaped workpiece provided by the present invention, efficiently solve the hot flange of arc forging at
During shape, influence of the forging enclasping force to forming process working efficiency, and substantially increase the forming quality of forging.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein,
Fig. 1 is a kind of blank structure schematic diagram of high temperature alloy forging；
Fig. 2 is a kind of blank structure schematic diagram of high temperature alloy arc-shaped workpiece；
Fig. 3 is the principle schematic diagram of the forging mold of the existing high temperature alloy arc-shaped workpiece for manuscript 2；
Fig. 4 is a kind of forge mould of the forging method of high temperature alloy arc-shaped workpiece of a specific embodiment according to the present invention
The principle schematic diagram of tool；
The schematic cross-sectional view of the inverted T-shaped formed punch of another embodiment according to Fig. 5.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
Bright specific embodiment.Wherein, identical component uses identical label.
Fig. 2 is a kind of blank structure schematic diagram of high temperature alloy arc-shaped workpiece, and Fig. 4 is one according to the present invention specific implementation
A kind of principle schematic diagram of the forging mold of the forging method of high temperature alloy arc-shaped workpiece of example.Referring to fig. 2, shown in 4, this hair
It is bright to provide a kind of forging method of high temperature alloy arc-shaped workpiece, it is used to process thickness more than or equal to 20mm, inner cavity minimum diameter
D2 is about the 1/2 of outer wall maximum dimension D 1, and height H1 is about the high temperature alloy arc-shaped workpiece 100 of the 1/5 of outer wall maximum dimension D 1,
Include the following steps,
Step A, after high temperature alloy raw material are more than or equal to the slab of 20mm by free forging for thickness, through overshooting
Ring billet material 3 is produced behind hole,
Step B provides a mold comprising the first formed punch 4, the inverted T-shaped formed punch being flexibly connected with first formed punch 4
5, it is used to support the first former 6 of the ring billet material 3, the height of the profile H2 of first formed punch 4 in the arc-shaped workpiece 100
Spend between the 3/5-2/3 of H1, the height H3 of the enlarged head 51 of the inverted T-shaped formed punch 5 the arc-shaped workpiece 100 height H1 1/
Between, the sum of profile H2 of the height H4 of the bar portion 52 of the inverted T-shaped formed punch 5 and first formed punch 4 is greater than institute
The height H1 of arc-shaped workpiece 100 is stated, the outer diameter D 3 of the enlarged head 51 is 2- bigger than the inner cavity minimum diameter D2 of the arc-shaped workpiece 100
The molding surface size of 3mm, first formed punch 4 are 1-2mm bigger than the interior chamber size of the corresponding arc-shaped workpiece 100, first yin
The cavity heights H5 of mould 6 is greater than the profile H2 of first formed punch 4, the height H3 of the enlarged head 51 and the bar portion
The ring billet material 3 is placed on first former 6 by the sum of 52 height H4, places the inverted T-shaped on the ring billet material 3
Then formed punch 5 connect first formed punch 4 with the inverted T-shaped formed punch 5 by static pressure machine, and make the inverted T-shaped formed punch 5 to
Bottom offset, after the ring billet material 3 is shaped as arc-shaped workpiece 100, the enlarged head 51 continues to move down and passes through institute
The inner cavity for stating arc-shaped workpiece 100 is fallen in the inner cavity in first former 6, and the static pressure machine drives first formed punch 4 upwards
Be moved out with the contact of the arc-shaped workpiece 100, complete the forging of the arc-shaped workpiece 100.
The present invention is that first formed punch 4 and the inverted T-shaped formed punch 5 are separable with the maximum difference of the prior art,
After the arc-shaped workpiece 100 forming, the inverted T-shaped formed punch 5 continues to move down to be disengaged with the arc-shaped workpiece 100, thus
The arc-shaped workpiece 100 for avoiding existing mold as shown in Figure 3 in background technique can up move together with the formed punch 1,
The problem of so as to cause production process interruption.
The bar portion 52 may be provided with an annular groove 53, embrace the mobile inverted T-shaped formed punch of the tools such as pincers in this way convenient for utilizing
5。
It may be provided with positioning pin (not shown) between first formed punch 4 and the bar portion 52, can ensure that institute in this way
State the first formed punch 4 and 5 moved in coaxial of inverted T-shaped formed punch.
Settable locating piece 61 on first former 6, it is described when can be further assured that the placement ring billet material 3 in this way
The hollow hole of ring billet material 3 and first formed punch 4 are coaxial.
The schematic cross-sectional view of the inverted T-shaped formed punch of another embodiment, shown in Figure 5 according to Fig. 5, excellent at one
It selects in embodiment, an oil suction chamber 511, the oil suction chamber can be further arranged in the enlarged head 51 of the inverted T-shaped formed punch 5
511 can be connect by multiple radial direction oil holes 512 with the fuel feeding annular groove 513 of the annular of 51 lateral wall of enlarged head, and described first
The bottom of former 6 may be provided with retractable and flexible oil pipe (not shown), and the flexible tubing can be by the oil suction chamber 511
It is connect with external high-pressure oil feed equipment (not shown), in this way, being placed on the ring billet material 3 by the inverted T-shaped formed punch 5
Before, the flexible tubing need to only be pulled out from the hole of the ring billet material 3, connect and can ensure with the oil suction chamber 511
During ring billet material 3 is configured to arc-shaped workpiece 100 by the inverted T-shaped formed punch 5, by the fuel feeding annular groove 513 to work
Make face and lubricating oil be persistently provided, thus facilitate 100 inner cavity of arc-shaped workpiece forming and the inverted T-shaped formed punch 5 with it is described
The separation of 100 inner cavity of arc-shaped workpiece.
A kind of forging method of high temperature alloy arc-shaped workpiece provided by the present invention, efficiently solve the hot flange of arc forging at
During shape, influence of the forging enclasping force to forming process working efficiency, and substantially increase the forming quality of forging.
It will be appreciated by those skilled in the art that although the present invention is described in the way of multiple embodiments,
It is that not each embodiment only contains an independent technical solution.So narration is used for the purpose of for the sake of understanding in specification,
The skilled in the art should refer to the specification as a whole is understood, and by technical solution involved in each embodiment
Regard as and can be combined with each other into the modes of different embodiments to understand protection scope of the present invention.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, made equivalent variations, modification and combination under the premise of not departing from design and the principle of the present invention,
It should belong to the scope of protection of the invention.
Claims (5)
1. a kind of forging method of high temperature alloy arc-shaped workpiece, which is characterized in that it is used to process thickness more than or equal to 20mm, inner cavity
Minimum diameter is about the 1/2 of outer wall maximum gauge, and height is about 1/5 high temperature alloy arc-shaped workpiece of outer wall maximum gauge, packet
Include following steps,
Step A, after high temperature alloy raw material are more than or equal to the slab of 20mm by free forging for thickness, after punching
Ring billet material is produced,
Step B provides a mold comprising the first formed punch, the inverted T-shaped formed punch being flexibly connected with first formed punch are used for
Support the first former of the ring billet material, the 3/5-2/3 of height of the profile of first formed punch in the arc-shaped workpiece it
Between, between the 1/3-2/5 of height of the height of the enlarged head of the inverted T-shaped formed punch in the arc-shaped workpiece, the inverted T-shaped formed punch
The sum of profile of the height of bar portion and first formed punch is greater than the height of the arc-shaped workpiece, the outer diameter ratio of the enlarged head
The big 2-3mm of inner cavity minimum diameter of the arc-shaped workpiece, the molding surface size of first formed punch is than in the corresponding arc-shaped workpiece
The big 1-2mm of chamber size, the cavity heights of first former are greater than the height of the profile of first formed punch, the enlarged head
The sum of degree and the height of the bar portion, the ring billet material is placed on first former, places institute on the ring billet material
Inverted T-shaped formed punch is stated, then connect first formed punch with the inverted T-shaped formed punch by static pressure machine, and makes the inverted T-shaped formed punch
To bottom offset, after the ring billet material is shaped as the arc-shaped workpiece, the enlarged head continues to move down and passes through the arc
The inner cavity of shape part is fallen in the inner cavity in first former, and the static pressure machine drives first formed punch to move up disengaging
With the contact of the arc-shaped workpiece, the forging of the arc-shaped workpiece is completed.
2. the method according to claim 1, wherein in stepb, the bar portion is provided with an annular groove.
3. method described in one of -2 according to claim 1, which is characterized in that in stepb, first formed punch and the bar
Positioning pin is provided between portion.
4. according to the method described in claim 3, it is characterized in that, in stepb, being provided with positioning on first former
Block.
5. the method according to claim 1, wherein in stepb, the enlarged head of the inverted T-shaped formed punch
It is further provided with an oil suction chamber, the oil suction chamber can pass through multiple radial direction oil holes and the annular of the enlarged head lateral wall
The connection of fuel feeding annular groove, the bottom of first former are provided with retractable and flexible oil pipe, the flexible tubing can will it is described into
Oil pocket is connect with external high-pressure oil feed equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610867131.9A CN106270330B (en) | 2016-09-30 | 2016-09-30 | A kind of forging method of high temperature alloy arc-shaped workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610867131.9A CN106270330B (en) | 2016-09-30 | 2016-09-30 | A kind of forging method of high temperature alloy arc-shaped workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106270330A CN106270330A (en) | 2017-01-04 |
| CN106270330B true CN106270330B (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610867131.9A Active CN106270330B (en) | 2016-09-30 | 2016-09-30 | A kind of forging method of high temperature alloy arc-shaped workpiece |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202555679U (en) * | 2012-05-02 | 2012-11-28 | 成都川康铸锻有限责任公司 | Swaging punch |
| CN203803959U (en) * | 2014-07-18 | 2014-09-03 | 李北鲁 | Cold extrusion plunger chip |
| CN205393284U (en) * | 2016-03-03 | 2016-07-27 | 东南大学 | Modular forging drift |
| CN105935766A (en) * | 2015-03-05 | 2016-09-14 | 信越化学工业株式会社 | Powder molding apparatus and manufacture of rare earth sintered magnet using the apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6238736A (en) * | 1985-08-12 | 1987-02-19 | Kawasaki Steel Corp | Integral forging forming method for nozzle using composite punch |
-
2016
- 2016-09-30 CN CN201610867131.9A patent/CN106270330B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202555679U (en) * | 2012-05-02 | 2012-11-28 | 成都川康铸锻有限责任公司 | Swaging punch |
| CN203803959U (en) * | 2014-07-18 | 2014-09-03 | 李北鲁 | Cold extrusion plunger chip |
| CN105935766A (en) * | 2015-03-05 | 2016-09-14 | 信越化学工业株式会社 | Powder molding apparatus and manufacture of rare earth sintered magnet using the apparatus |
| CN205393284U (en) * | 2016-03-03 | 2016-07-27 | 东南大学 | Modular forging drift |
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| Publication number | Publication date |
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| CN106270330A (en) | 2017-01-04 |
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Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |