CN106271441A - The thermal creep manufacturing process of machining lightening grooves titanium alloy covering - Google Patents
The thermal creep manufacturing process of machining lightening grooves titanium alloy covering Download PDFInfo
- Publication number
- CN106271441A CN106271441A CN201610779348.4A CN201610779348A CN106271441A CN 106271441 A CN106271441 A CN 106271441A CN 201610779348 A CN201610779348 A CN 201610779348A CN 106271441 A CN106271441 A CN 106271441A
- Authority
- CN
- China
- Prior art keywords
- blank
- lightening grooves
- thermal creep
- machining
- titanium alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
- B21D24/16—Additional equipment in association with the tools, e.g. for shearing, for trimming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
Abstract
The invention belongs to titanium alloy product hot forming technical field, purpose is to provide a kind of raising part accuracy and performance, improve production efficiency, the thermal creep manufacturing process of free of contamination machining lightening grooves titanium alloy covering, the present invention first prepares the mould mated with eyelid covering product, so that product profile is controlled, then lightening grooves is pre-machined out by machining mode, and use thermal creep method molded part, solve the first thermal creep of tradition and shape the lightening grooves poor dimensional precision that eyelid covering chemical attack again processing lightening grooves is brought, the problem that part fatigue behaviour is low, significantly improve the size Control precision of lightening grooves, can be by the R angle, arc transition district in loss of weight district and non-loss of weight district, R5 is brought up to by the R2 of pickling, the stress that slow down transition region is concentrated, improve the anti-fatigue performance of product.The present invention solves the with serious pollution problem of chemical attack, it is ensured that operator are healthy, improves the dimensional accuracy of part, improves the fatigue behaviour of part.
Description
Technical field
The invention belongs to titanium alloy product hot forming technical field, particularly relate to the titanium of a kind of machining lightening grooves
The thermal creep manufacturing process of alloy eyelid covering.
Background technology
Titanium alloy is a kind of new structural material, its excellent combination property: little (the about 4.5g/cm of density3), specific strength
High, fatigue strength and resistance to crack extension performance is good, low-temperature good toughness, etch resistant properties are good.Therefore it is at Aeronautics and Astronautics, boats and ships
Increasingly extensive application is obtained in field.For trousers, guider internal ring, compressor collection chamber etc. inside and outside aero-engine
Parts, the most commonly used titanium alloy plate hot forming technology.In China's System for aircraft manufacturing technology, titanium alloy plate
Hot forming techniques the most progressively popularization and application.
Titanium alloy hot pressing eyelid covering, because the needs of loss of weight, has lightening grooves on part, and lightening grooves uses chemistry rotten before this
The method of erosion is processed, and this technique, due to the jagged edge formed after corrosion, is unfavorable for the shape and size of lightening grooves
Control.The machining accuracy of chemical attack generally ± 0.05～± 0.15mm, surface roughness reaches Ra1.6～6.4 μm, and
Side surface direction under protective layer also can produce dissolving, and between processing bottom surface and side, form arc-shaped, but circular arc
Size is not accurately controlled, after can only choosing R2, and chemical attack according to the process characteristic of chemical attack, due to chemical reaction
Inhomogeneities, cause corroding edge uneven, FATIGUE STABILITY is poor, for time of chemical attack, temperature, drug dosage
Deng require relatively strict, be difficult to control, and surrounding is had certain pollution, the physical and mental health of operator is had certain
Harm.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of raising part accuracy and performance, raising production efficiency, nothing dirt
The thermal creep manufacturing process of the titanium alloy covering of the machining lightening grooves of dye.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that
The thermal creep manufacturing process of the titanium alloy covering of a kind of machining lightening grooves, comprises the following steps:
(1) shaping dies makes: makes mould, including punch and die, makes punch and the cavity surface of die and thermal creep
The eyelid covering outward appearance shaped keeps consistent, difference locating and machining hole, thermometer hole, hole for hoist on die and punch；
(2) blank processing: first turned blank outline, then uses the mode of machining to be preformed with subtracting on blank
Baking soda, then blank surface is carried out；
(3) die-filling: after die and punch are cleaned out respectively, it is respectively coated with one layer of releasing agent in cavity surface, and by convex
Mould and die are separately fixed on the upper and lower platform of hot-embossing equipment；
(4) charging: step (2) ready blank is loaded die, and positions, then that punch is descending, pressure
Blank so that blank contacts with die；
(5) heat up: mould is carried out heat temperature raising；
(6) thermal creep: after mold temperature reaches 715～725 DEG C, is incubated 25～35min；Operation hot-embossing equipment,
Make punch descending compression blank until mould Guan Bi, after mould Guan Bi, be forced into 17～23T, pressurize, insulation 3～7min, then
Close heating power supply, cool down；
(7) demoulding: after treating mould cooling, the product that thermal creep shapes is removed from the molds；
(8) processing: according to digital-to-analogue requirement, excise unnecessary technique edges, and article surface is processed by shot blasting, finally
Obtain required titanium alloy covering product.
The thermal creep manufacturing process of the titanium alloy covering of machining lightening grooves of the present invention, further, in step (2),
Before blank is processed, first calculates the theoretical size of blank after launching according to the product size of eyelid covering, and add 5～10mm
Process allowance.
The thermal creep manufacturing process of the titanium alloy covering of machining lightening grooves of the present invention, further, in step (2),
Use industrial cleaning agent that blank surface is carried out.
The thermal creep manufacturing process of the titanium alloy covering of machining lightening grooves of the present invention, further, in step (3),
Releasing agent uses oxidation hundred million or boron nitride.
The thermal creep manufacturing process of the titanium alloy covering of machining lightening grooves of the present invention, further, in step (5),
Before mould is heated, first thermocouple is inserted in the thermometer hole on punch and die, and be linked in corresponding instrument.
The thermal creep manufacturing process of the titanium alloy covering of machining lightening grooves of the present invention, further, in step (6),
After mould reaches 718～722 DEG C, it is incubated 28～32min.
The thermal creep manufacturing process of the titanium alloy covering of machining lightening grooves of the present invention, further, in step (6),
20～23T it are forced into, pressurize, insulation 5～7min after mould Guan Bi.
The thermal creep manufacturing process of the titanium alloy covering of machining lightening grooves of the present invention, first prepares and mates with eyelid covering product
Mould, so that product profile is controlled, uses machining mode that lightening grooves is pre-machined out, then use thermal creep method
Molded part rather than first hot forming eyelid covering, then use traditional chemical caustic solution to process lightening grooves.The inventive method substantially carries
The high size Control precision of lightening grooves, the wall thickness tolerance of lightening grooves overall region can be controlled in ± 0.03～± 0.08 millimeter,
And for loss of weight district and the region of stress concentration in non-loss of weight district, can arc transition, arc chord angle is increased to by R2mm during pickling
R5mm, hence it is evident that slow down the stress concentration that size sudden change causes, improve article surface anti-fatigue performance.It is rotten that the present invention solves chemistry
Lose with serious pollution problem, it is ensured that operator are healthy, accurately control loss of weight district and the arc transition of non-weight saving areas
Size, reduces stress concentration degree, improves the fatigue life of part.
Below in conjunction with the accompanying drawings the thermal creep manufacturing process of the titanium alloy covering of the machining lightening grooves of the present invention is entered one
Step explanation.
Accompanying drawing explanation
Fig. 1 be the titanium alloy covering of machining lightening grooves of the present invention thermal creep manufacturing process in the structural representation of die
Figure；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the structural representation of the thermal creep manufacturing process convex mould of the titanium alloy covering of machining lightening grooves of the present invention
Figure；
Fig. 4 is the left view of Fig. 3.
Detailed description of the invention
The thermal creep manufacturing process of the titanium alloy covering of machining lightening grooves of the present invention comprises the following steps:
(1) shaping dies makes
In titanium alloy covering thermal creep forming process, need to use mould that the profile of product is controlled.Mould bag
Including die 1 and punch 2, as Figure 1-Figure 4, the eyelid covering outward appearance that the cavity surface of die 1 and punch 2 and thermal creep shape keeps one
Cause, difference locating and machining hole 11, thermometer hole 12, hole for hoist 13 on die 1 and punch 2；
(2) blank processing
Product size according to eyelid covering calculates the theoretical size of blank after launching, and adds 5～10mm process allowances, by size
Require to use linear cutter blank outline, use the mode of machining to be preformed with lightening grooves, lightening grooves on blank
Size use constancy of volume theory to calculate, and revised by experimental verification, until it reaches theoretical size requirement；So
Blank surface is carried out by rear employing industrial cleaning agent, and industrial cleaning agent can use BCS-943 type industrial cleaning agent, and quality is divided
Number is 15～20%, it is ensured that blank edge impulse-free robustness, wedge angle；
(3) die-filling
After die 1 and punch 2 being respectively washed totally, being respectively coated with one layer of releasing agent in cavity surface, releasing agent can use
Oxidation hundred million or boron nitride or both mixture, and punch 2 and die 1 are separately fixed at the upper and lower of hot-embossing equipment
On platform；
(4) charging
Step (2) ready blank is loaded die, positions, after fixing the position of blank, by punch 2 times
OK, pressure blank so that blank contacts with die；
(5) heat up
Thermocouple is inserted in the thermometer hole 12 on punch 2 and die 1, and be linked in corresponding instrument, such as temperature
Logging, then carries out heat temperature raising to mould；
(6) thermal creep
After mold temperature reaches 715～725 DEG C, it is incubated 25～35min；Operation hot-embossing equipment, makes punch 2 descending
Compress blank until mould Guan Bi, after mould Guan Bi, be forced into 17～23T, pressurize, insulation 3～7min, it is then shut off adding thermoelectricity
Source, cools down；
(7) demoulding
After treating mould cooling, the product that thermal creep shapes is removed from the molds；
(8) processing
According to digital-to-analogue requirement, use the technique edges that line cutting excision is unnecessary, and article surface is processed by shot blasting,
Obtain required titanium alloy covering product eventually.
Embodiment 1
The thermal creep manufacturing process of the titanium alloy covering of a kind of machining lightening grooves, comprises the following steps:
(1) shaping dies makes
In titanium alloy covering thermal creep forming process, need to use mould that the profile of product is controlled.Mould bag
The cavity surface including punch and die, punch and die keeps consistent, on die and punch with the eyelid covering outward appearance that thermal creep shapes
Locating and machining hole, thermometer hole, hole for hoist respectively；
(2) blank processing
Product size according to eyelid covering calculates the theoretical size of blank after launching, and adds 5mm process allowance, by dimensional requirement
Use linear cutter blank outline, use milling machine to be preformed with the lightening grooves of corresponding size, the chi of lightening grooves on blank
Very little employing constancy of volume theory calculates, and is revised by experimental verification, until it reaches theoretical size requirement；；Then
Using BCS-943 type industrial cleaning agent to be carried out blank surface, mass fraction is 15%, it is ensured that blank edge impulse-free robustness,
Wedge angle；
(3) die-filling
After die and punch being respectively washed totally, being respectively coated with one layer of releasing agent in cavity surface, releasing agent uses oxidation
Hundred million, and punch and die are separately fixed on the upper and lower platform of hot-embossing equipment；
(4) charging
Step (2) ready blank is loaded die, positions, after fixing the position of blank, punch is descending,
Pressure blank so that blank contacts with die；
(5) heat up
Thermocouple is inserted in the thermometer hole on punch and die, and be linked in corresponding instrument, such as temperature patrol inspection
Instrument, then carries out heat temperature raising to mould；
(6) thermal creep
After mold temperature reaches 715 DEG C, it is incubated 35min；Open hot-embossing equipment, make punch descending compression blank straight
Close to mould, be forced into 23T, pressurize, insulation 3min after mould Guan Bi, be then shut off heating power supply, cooling；
(7) demoulding
After treating mould cooling, the product that thermal creep shapes is removed from the molds；
(8) processing
According to digital-to-analogue requirement, use the technique edges that line cutting excision is unnecessary, and article surface is processed by shot blasting,
Obtain required titanium alloy covering product eventually.
Measuring the size of gained titanium alloy covering product lightening grooves, precision reaches 96.32%, showing of lightening grooves R fillet
Roughness is Ra0.8 μm.
Embodiment 2
The thermal creep manufacturing process of the titanium alloy covering of a kind of machining lightening grooves, comprises the following steps:
(1) shaping dies makes
In titanium alloy covering thermal creep forming process, need to use mould that the profile of product is controlled.Mould bag
The cavity surface including punch and die, punch and die keeps consistent, on die and punch with the eyelid covering outward appearance that thermal creep shapes
Locating and machining hole, thermometer hole, hole for hoist respectively；
(2) blank processing
Product size according to eyelid covering calculates the theoretical size of blank after launching, and adds 8mm process allowance, by dimensional requirement
Use linear cutter blank outline, use milling machine to be preformed with the lightening grooves of corresponding size, the chi of lightening grooves on blank
Very little employing constancy of volume theory calculates, and is revised by experimental verification, until it reaches theoretical size requirement；；Then
Use industrial cleaning agent that blank surface is carried out, it is ensured that blank edge impulse-free robustness, wedge angle；
(3) die-filling
After die and punch being respectively washed totally, being respectively coated with one layer of releasing agent in cavity surface, releasing agent uses nitridation
Boron, and punch and die are separately fixed on the upper lower platform of hot-embossing equipment；
(4) charging
Step (2) ready blank is loaded die, positions, after fixing the position of blank, punch is descending,
Pressure blank so that blank contacts with die；
(5) heat up
Thermocouple is inserted in the thermometer hole on punch and die, and be linked in corresponding instrument, such as temperature patrol inspection
Instrument, then carries out heat temperature raising to mould；
(6) thermal creep
After mold temperature reaches 720 DEG C, it is incubated 30min；Operation hot-embossing equipment, makes punch descending compression blank straight
Close to mould, be forced into 20T, pressurize, insulation 5min after mould Guan Bi, be then shut off heating power supply, cooling；
(7) demoulding
After treating mould cooling, the product that thermal creep shapes is removed from the molds；
(8) processing
According to digital-to-analogue requirement, use the technique edges that line cutting excision is unnecessary, and article surface is processed by shot blasting,
Obtain required titanium alloy covering product eventually.
Measuring the size of gained titanium alloy covering product lightening grooves, precision reaches 98.56%, showing of lightening grooves R fillet
Roughness is Ra 0.62 μm.
Embodiment 3
The thermal creep manufacturing process of the titanium alloy covering of a kind of machining lightening grooves, comprises the following steps:
(1) shaping dies makes
In titanium alloy covering thermal creep forming process, need to use mould that the profile of product is controlled.Mould bag
The cavity surface including punch and die, punch and die keeps consistent, on die and punch with the eyelid covering outward appearance that thermal creep shapes
Locating and machining hole, thermometer hole, hole for hoist respectively；
(2) blank processing
Product size according to eyelid covering calculates the theoretical size of blank after launching, and adds 10mm process allowance, wants by size
Seek employing linear cutter blank outline, use milling machine to be preformed with the lightening grooves of corresponding size on blank, lightening grooves
Size uses constancy of volume theory to calculate, and is drawn by experimental verification analysis；Then BCS-943 type industry cleaning link is used
Blank surface is carried out by agent, and mass fraction is 20%, it is ensured that blank edge impulse-free robustness, wedge angle；
(3) die-filling
After die and punch being respectively washed totally, being respectively coated with one layer of releasing agent in cavity surface, releasing agent uses oxidation
Hundred million, and punch and die are separately fixed on the upper lower platform of hot-embossing equipment；
(4) charging
Step (2) ready blank is loaded die, positions, after fixing the position of blank, punch is descending,
Pressure blank so that blank contacts with die；
(5) heat up
Thermocouple is inserted in the thermometer hole on punch and die, and be linked in corresponding instrument, such as temperature patrol inspection
Instrument, then carries out heat temperature raising to mould；
(6) thermal creep
After mold temperature reaches 725 DEG C, it is incubated 25min；Open hot-embossing equipment, make punch descending compression blank straight
Close to mould, be forced into 17T, pressurize, insulation 7min after mould Guan Bi, be then shut off heating power supply, cooling；
(7) demoulding
After treating mould cooling, the product that thermal creep shapes is removed from the molds；
(8) processing
According to digital-to-analogue requirement, use the technique edges that line cutting excision is unnecessary, and article surface and lightening grooves are thrown
Optical processing, finally gives required titanium alloy covering product.
Measuring the size of gained titanium alloy covering product lightening grooves, precision reaches 97.61%, showing of lightening grooves R fillet
Roughness is Ra0.8 μm.
The thermal creep manufacturing process of titanium alloy covering of the present invention compared with prior art, has the advantages that
The thermal creep manufacturing process of the titanium alloy covering of machining lightening grooves of the present invention, first prepares and mates with eyelid covering product
Mould, so that product profile is controlled, uses machining mode that lightening grooves is pre-machined out, then use thermal creep method
Molded part rather than first hot forming eyelid covering, then use traditional chemical caustic solution to process lightening grooves.The inventive method substantially carries
The high size Control precision of lightening grooves, the wall thickness tolerance of lightening grooves overall region can be controlled in ± 0.03～± 0.08 millimeter,
And for loss of weight district and the region of stress concentration in non-loss of weight district, can arc transition, arc chord angle is increased to by R2mm during pickling
R5mm, hence it is evident that slow down the stress concentration that size sudden change causes, improve article surface anti-fatigue performance.It is rotten that the present invention solves chemistry
Lose with serious pollution problem, it is ensured that operator are healthy, accurately control loss of weight district and the arc transition of non-weight saving areas
Size, reduces stress concentration degree, improves the fatigue life of part.
Embodiment described above is only to be described the preferred embodiment of the present invention, the not model to the present invention
Enclose and be defined, on the premise of designing spirit without departing from the present invention, the those of ordinary skill in the art technical side to the present invention
Various deformation that case is made and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (7)
1. the thermal creep manufacturing process of a machining lightening grooves titanium alloy covering, it is characterised in that: comprise the following steps:
(1) shaping dies makes: make mould, including punch and die, makes the cavity surface of punch and die shape with thermal creep
Eyelid covering outward appearance keep consistent, locating and machining hole, thermometer hole, hole for hoist respectively on die and punch；
(2) blank processing: first turned blank outline, then uses the mode of machining to be preformed with loss of weight on blank
Groove, then blank surface is carried out；
(3) die-filling: after die and punch are cleaned out respectively, be respectively coated with one layer of releasing agent in cavity surface, and by punch and
Die is separately fixed on the upper and lower platform of hot-embossing equipment；
(4) charging: step (2) ready blank is loaded die, and positions, then that punch is descending, depress blank,
Blank is contacted with die；
(5) heat up: mould is carried out heat temperature raising；
(6) thermal creep: after mold temperature reaches 715～725 DEG C, is incubated 25～35min；Operation hot-embossing equipment, makes convex
Mould descending compression blank, until mould Guan Bi, is forced into 17～23T after mould Guan Bi, and pressurize, insulation 3～7min are then shut off
Heating power supply, cools down；
(7) demoulding: after treating mould cooling, the product that thermal creep shapes is removed from the molds；
(8) processing: according to digital-to-analogue requirement, excise unnecessary technique edges, and article surface is processed by shot blasting, finally give
Required titanium alloy covering product.
The thermal creep manufacturing process of machining lightening grooves titanium alloy covering the most according to claim 1, it is characterised in that:
In step (2), before blank is processed, first calculate the theoretical size of blank after launching according to the product size of eyelid covering, and
Add 5～10mm process allowances.
The thermal creep manufacturing process of machining lightening grooves titanium alloy covering the most according to claim 1, it is characterised in that:
In step (2), use industrial cleaning agent that blank surface is carried out.
The thermal creep manufacturing process of machining lightening grooves titanium alloy covering the most according to claim 1, it is characterised in that:
In step (3), releasing agent uses oxidation hundred million or boron nitride.
The thermal creep manufacturing process of machining lightening grooves titanium alloy covering the most according to claim 1, it is characterised in that:
In step (5), before mould is heated, first thermocouple is inserted in the thermometer hole on punch and die, and be linked into phase
In the instrument answered.
The thermal creep manufacturing process of machining lightening grooves titanium alloy covering the most according to claim 1, it is characterised in that:
In step (6), after mould reaches 718～722 DEG C, it is incubated 28～32min.
The thermal creep manufacturing process of machining lightening grooves titanium alloy covering the most according to claim 6, it is characterised in that:
In step (6), it is forced into 20～23T after mould Guan Bi, pressurize, insulation 5～7min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610779348.4A CN106271441A (en) | 2016-08-30 | 2016-08-30 | The thermal creep manufacturing process of machining lightening grooves titanium alloy covering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610779348.4A CN106271441A (en) | 2016-08-30 | 2016-08-30 | The thermal creep manufacturing process of machining lightening grooves titanium alloy covering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106271441A true CN106271441A (en) | 2017-01-04 |
Family
ID=57672564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610779348.4A Pending CN106271441A (en) | 2016-08-30 | 2016-08-30 | The thermal creep manufacturing process of machining lightening grooves titanium alloy covering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106271441A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881387A (en) * | 2017-03-17 | 2017-06-23 | 北京航星机器制造有限公司 | A kind of aluminum alloy curved reinforcement gusset hot press forming method |
| CN110773879A (en) * | 2019-11-06 | 2020-02-11 | 哈尔滨工业大学 | Metal hollow structure prefabricated vacancy forming device and method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101028686A (en) * | 2006-02-27 | 2007-09-05 | 韩华 | Laminated titanium-alloy thin-plate assembled connecting method |
| US20070261462A1 (en) * | 2006-05-11 | 2007-11-15 | Rti International Metals, Inc. | Method and apparatus for creep forming of and relieving stress in an elongated metal bar |
| CN102284589A (en) * | 2011-07-26 | 2011-12-21 | 中南大学 | Metal creep forming die |
| CN102367563A (en) * | 2011-10-13 | 2012-03-07 | 北京航空航天大学 | Titanium alloy thin-wall part hot-stretch creep deformation composite molding method |
| CN103990664A (en) * | 2014-06-11 | 2014-08-20 | 沈阳飞机工业（集团）有限公司 | Method for forming titanium alloy sheet metal part |
| CN105397423A (en) * | 2015-12-09 | 2016-03-16 | 北京航星机器制造有限公司 | Manufacturing method for large-scale thin-wall skin with inner ribs and complex mold cavities |
-
2016
- 2016-08-30 CN CN201610779348.4A patent/CN106271441A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101028686A (en) * | 2006-02-27 | 2007-09-05 | 韩华 | Laminated titanium-alloy thin-plate assembled connecting method |
| US20070261462A1 (en) * | 2006-05-11 | 2007-11-15 | Rti International Metals, Inc. | Method and apparatus for creep forming of and relieving stress in an elongated metal bar |
| CN102284589A (en) * | 2011-07-26 | 2011-12-21 | 中南大学 | Metal creep forming die |
| CN102367563A (en) * | 2011-10-13 | 2012-03-07 | 北京航空航天大学 | Titanium alloy thin-wall part hot-stretch creep deformation composite molding method |
| CN103990664A (en) * | 2014-06-11 | 2014-08-20 | 沈阳飞机工业（集团）有限公司 | Method for forming titanium alloy sheet metal part |
| CN105397423A (en) * | 2015-12-09 | 2016-03-16 | 北京航星机器制造有限公司 | Manufacturing method for large-scale thin-wall skin with inner ribs and complex mold cavities |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881387A (en) * | 2017-03-17 | 2017-06-23 | 北京航星机器制造有限公司 | A kind of aluminum alloy curved reinforcement gusset hot press forming method |
| CN110773879A (en) * | 2019-11-06 | 2020-02-11 | 哈尔滨工业大学 | Metal hollow structure prefabricated vacancy forming device and method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103769482B (en) | A kind of integral forming method of titanium alloy air intake duct part | |
| CN102873513B (en) | The gas expansion forming method of a kind of aluminium alloy large size, thin walled ball section covering | |
| CN104259369B (en) | Large-scale nuclear reactor water chamber head forging monolithic molding forging press and method | |
| CN109622868B (en) | Forging method of T-shaped high-temperature alloy bolt forge piece | |
| CN108500075A (en) | A kind of aluminium alloy flange disk heating tube hot type mold and its extrusion forming method | |
| CN106271441A (en) | The thermal creep manufacturing process of machining lightening grooves titanium alloy covering | |
| CN104493429B (en) | The semi-solid-state shaping technique of the strain-induced of magnadure phone housing and mould | |
| CN108526365B (en) | Forging forming method of large titanium alloy central part | |
| CN106584715A (en) | Pressure cast metal hand mold and preparation method thereof | |
| CN106807872A (en) | Aluminium alloy temperature essence contour forging technique | |
| CN105107946A (en) | Hot-working forming equipment and method for metal shell or plate | |
| CN112893796A (en) | Alloy hand die production process | |
| CN104646976A (en) | Quick profile manufacturing method of composite material thin-shell mold for aircraft | |
| CN102513486B (en) | Die forging method for titanium alloy forge pieces | |
| CN102691079B (en) | Method for rapidly manufacturing low-temperature alloy casting mould | |
| CN206264222U (en) | A kind of compression casting metal fingerprint | |
| CN107186140B (en) | A kind of in-flanges tubular high temperature alloy product manufacture method | |
| CN108526381B (en) | Forging method of ultra-large aluminum-based composite ring piece | |
| CN108672658B (en) | Precise casting process method for marine propulsion power water inlet end part | |
| CN110666130A (en) | Two-way cooling type die casting die | |
| CN110126145A (en) | A kind of production method of high temperature resistant tail cup forming convax mould | |
| CN104826999A (en) | Method of preventing heavy-duty fuel machine compressor exhaust cylinder casting ultrathin sand core from sand burning | |
| CN215144026U (en) | Anti-error die mechanism of red stamping die | |
| CN216656288U (en) | Special-shaped valve body forging die | |
| CN211640807U (en) | Novel steam mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
|
| RJ01 | Rejection of invention patent application after publication |