CN106424632A - Novel turbine disc squeeze casting forming technology - Google Patents
Novel turbine disc squeeze casting forming technology Download PDFInfo
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- CN106424632A CN106424632A CN201611069326.5A CN201611069326A CN106424632A CN 106424632 A CN106424632 A CN 106424632A CN 201611069326 A CN201611069326 A CN 201611069326A CN 106424632 A CN106424632 A CN 106424632A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
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Abstract
The invention belongs to the technical field of squeeze casting, and particularly relates to a novel turbine disc squeeze casting forming technology. The forming technology includes the forming steps of 1, mould installation, 2, aluminum ingot melting, 3, press-injection and 4, pressure maintaining and mould opening, wherein according to press-injection in the third step, the press-injection speed is 0.17-0.25 m/s; according to pressure maintaining in the fourth step, the casting pressure is 90-120 MPa, the time for pressure maintaining is 5-10 s. According to the novel turbine disc squeeze casting forming technology, the production efficiency of the squeeze casting forming technology is high, one production cycle of an original forging process needs two minutes, but the production cycle of the squeeze casting forming technology only needs 35 seconds. No secondary machining operation is needed according to the novel turbine disc squeeze casting technology, the dimensional precision is high, the surface quality is good and the casting strength is high.
Description
Technical field
The invention belongs to squeeze casting technology field, and in particular to a kind of novel turbine disk squeeze cast form technique.
Background technology
The developing rapidly of commercial scientific, new technique, new technology is continued to bring out, and traditional casting industry is faced with
New challenge, the mechanical property especially for foundry goods and dense structure's property require higher foundry goods, and traditional die-casting technique is no
Method reaches required high-performance, high compactness, subsequent heat treatment etc. and requires.The advantage of casting, forging molding has been concentrated in extrusion casint, is
One kind achieves the united new technique of casting forging, applies the technique eliminate the defects such as cast-internal pore, shrinkage cavity and porosity, leads to
Excess pressure feeding, makes liquid metal crystallize under stress, and acquisition crystal grain is tiny, dense structure, no anisotropic interior tissue,
Therefore the mechanical property of extrusion casint part is higher than foundry goods under other casting techniques such as gravitational casting, die casting, and can carry out
Heat treatment.Extrusion casint be suitable for producing smooth appearance, dense structure, high-performance, must heat treatment thick-walled casting, for intensity and
Dense structure's property requires higher foundry goods, and extrusion casint has obvious advantage.
With development, the increasing of energy crisis of science and technology, lightweight is later development trend.Automobile, communication, machine
Tool equipment, Aero-Space all suffer from lightweight.Compressor industry is also a larger industry of observable index, and the turbine disk is die casting
The strength member of machine, in order to develop energy saving die casting machine, it is necessary to which traditional ironcasting turbine disk is changed into Al-alloy parts.Due to turbine
Disk intensity requirement is higher, and the main moulding process of the current turbine disk is forging, but forging is primarily present following problem：Raw
Production. art complexity, long the production cycle, allowance are big etc..
It is following developing direction using Extrution casting technique production Aluminum Alloy Turbine disk.
The technical problem that the present invention is present for the main moulding process of the current turbine disk, provides a kind of new turbine disk
Moulding process, the squeeze cast form technique for being adopted belongs to hot investment casting category, and surface quality of continuous castings is good, overall dimensions are smart
Degree is high, utilization rate of raw materials is high, production efficiency is high, can only need to a 0.6mm left side with T6 heat treatment, high mechanical properties, allowance
The right side, following process amount is little, and process time is reduced, and cutter life increases, so as to reduce enterprise's manufacturing cost.
Content of the invention
1st, the purpose of the present invention.
It is an object of the invention to provide a kind of novel turbine disk squeeze cast form technique, solves the current turbine disk main
Moulding process exist turbine disk casting strength relatively low, roughness of machining surface, allowance are many, process-cycle length, production efficiency
Low technical problem.
2nd, the technical solution adopted in the present invention.
Realizing the technical solution adopted in the present invention is：A kind of novel turbine disk squeeze cast form technique, its feature exists
In：Including forming step：1）Installation mold；2）Aluminium ingot melts；3）Injection；4）Pressurize and die sinking；Wherein step 3）Described in
Injection, injection speed is 0.17～0.25m/s；Step 4）Described in pressurize, casting pressure be 90～120MPa, the dwell time
For 5～10s.
Preferably, step 3）Described in injection, injection speed be 0.2m/s；Step 4）Described in pressurize, casting pressure
Power is 110MPa, and the dwell time is 6s.
Preferably, step 2）Described in aluminum ingot melting, temperature of aluminum liquid be 660～700 DEG C.
It is highly preferred that step 2）Described in aluminum ingot melting, temperature of aluminum liquid be 690 DEG C.
Preferably, step 1）Described installation mold, concretely comprises the following steps：The equipment that is placed on that squeeze casting mould is sling is fixed
Between plate and dynamic plate, with pressing plate, mould is fixed on Casting Equipment after position adjustment is good and moves in fixed board.
Preferably, step 2）Described in aluminum ingot melting, concretely comprise the following steps：Aluminium ingot is put in electrical heating smelting furnace, is treated
After aluminium ingot fusing, furnace rises to 750 DEG C carries out refine and degasification, and after the completion of refine and degasification, control temperature of aluminum liquid waits casting
Make production.
Preferably, step 3）Described in injection, concretely comprise the following steps：After mould installion is finished, with gas range, mould is entered
Row Baking out, makes mould temperature reach 150 DEG C, matched moulds after spraying releasing agent, and after mould matched moulds, shot sleeve is inclined, manually aluminium liquid
Scoop in barrel, shot sleeve ajusts rear injection.
It is highly preferred that step 3）Described in pressurize and die sinking, concretely comprise the following steps：Switch high pressure, pressurize after the completion of filling type
After the completion of mold, take out foundry goods carry out subsequent treatment.
It is highly preferred that the turbine disk prepared by the present invention, 290～310MPa of its tensile strength, yield strength 230～
250MPa, elongation percentage 9～11%.
3rd, beneficial effects of the present invention.
1）The novel turbine disk Extrution casting technique of the present invention, Extrution casting technique production efficiency is fast, originally forging technology
Production a cycle needs 2 minutes, and the extrusion casint production technology of the present invention only needs to 35 seconds.
2）The novel turbine disk Extrution casting technique of the present invention, turbine disk allowance is few, and the whirlpool of forging technology production
At wheel disc not only rough surface, and a lot of R angles and corner location has a lot of allowance, long processing time, process time
Reach 1 minute.
3）The novel turbine disk Extrution casting technique of the present invention, it is not necessary to secondary machine, dimensional accuracy height, surface quality
Good, casting strength height.
4）It is reasonable that the molding technique parameter of the present invention is arranged, and injection speed controls between 0.17～0.25m/s, casting pressure
Power controls between 90～120MPa, and the dwell time controls between 5～10s.Obtained turbine disk tensile strength 290～
310MPa, 230～250MPa of yield strength, elongation percentage 9～11%, fully meet requirement of the turbine disk to casting strength.
5）Low production cost of the present invention, the production efficiency of the extrusion casint production turbine disk is 6 times of forging technology, production effect
Rate is fast, and equipment, mould, machining equipment, artificial input amount are less.
Specific embodiment
With reference to case study on implementation, the present invention is further described through.
Case study on implementation 1
Using HAT-400 ton horizontal type extruding Casting Equipment production Aluminum Alloy Turbine disk, casting weight 1.5kg, material adopts A356
Alloy.Specific process parameter is as follows：Extrusion speed 0.2m/s, casting pressure 110MPa, 690 DEG C of temperature of aluminum liquid, dwell time 6s.
Specific implementation step is as follows：
1）Installation mold：With driving, the squeeze casting mould of exploitation is sling and be placed between equipment fixed board and dynamic plate, position is adjusted
Whole good after with pressing plate, mould is fixed on Casting Equipment and moves in fixed board.
2）Aluminium ingot melts：Weigh 200kg A356 aluminium ingot to put in 300kg electrical heating smelting furnace, stove after aluminium ingot fusing
Temperature rises to 750 DEG C and carries out refine and degasification, and after the completion of refine and degasification, temperature of aluminum liquid control waits Foundry Production at 690 DEG C.
3）Injection：After mould installion is finished, with gas range, Baking out is carried out to mould, make mould temperature that 150 DEG C are reached, spraying
Matched moulds after releasing agent.After mould matched moulds, shot sleeve is inclined, and manually aluminium liquid is scooped in barrel, and shot sleeve ajusts rear injection, injection
Speed controlling is in 0.2m/s.
4）Pressurize：Switch high pressure after the completion of filling type, high-pressure control controlled in 6s in 110MPa, dwell time.
5）Die sinking：Mold after the complete journey of pressurize, taking out foundry goods carries out subsequent treatment.
The implementation case is reasonable as casting technological parameter is arranged, and the surface quality of gained foundry goods is good, no obvious trace
With bad.Without bubbling phenomenon after heat treatment, specific performance is as follows：Tensile strength 310MPa, yield strength 245MPa, elongation percentage
11%, good mechanical properties.
Case study on implementation 2
Using HAT-400 ton horizontal type extruding Casting Equipment production Aluminum Alloy Turbine disk, casting weight 1.5kg, material adopts A356
Alloy.Specific process parameter is as follows：Extrusion speed 0.17m/s, casting pressure 120MPa, 660 DEG C of temperature of aluminum liquid, the dwell time
5s.
Specific implementation step is as follows：
1）Installation mold：With driving, the squeeze casting mould of exploitation is sling and be placed between equipment fixed board and dynamic plate, position is adjusted
Whole good after with pressing plate, mould is fixed on Casting Equipment and moves in fixed board.
2）Aluminium ingot melts：Weigh 200kg A356 aluminium ingot to put in 300kg electrical heating smelting furnace, stove after aluminium ingot fusing
Temperature rises to 750 DEG C and carries out refine and degasification, and after the completion of refine and degasification, temperature of aluminum liquid control waits Foundry Production at 660 DEG C.
3）Injection：After mould installion is finished, with gas range, Baking out is carried out to mould, make mould temperature that 150 DEG C are reached, spraying
Matched moulds after releasing agent.After mould matched moulds, shot sleeve is inclined, and manually aluminium liquid is scooped in barrel, and shot sleeve ajusts rear injection, injection
Speed controlling is in 0.17m/s.
4）Pressurize：Switch high pressure after the completion of filling type, high-pressure control controlled in 5s in 120MPa, dwell time.Rationally
Casting pressure be foundry goods molding of the present invention needs because when pressure is too small, casting compactness is inadequate, gas after heat treating castings
Bubble, and when pressure is excessive, die life reduces, the mould power that rises is excessive, also has damage to Clamping System.And the dwell time is come
Say, the dwell time is too short, foundry goods does not also solidify completely, and the dwell time is long, then affect the cycle.
5）Die sinking：Mold after the complete journey of pressurize, taking out foundry goods carries out subsequent treatment.
The implementation case 1 is reasonable as casting technological parameter is arranged, and the surface quality of gained foundry goods is good, no obvious trace
With bad.Without bubbling phenomenon after heat treatment, specific performance is as follows：Tensile strength 290MPa, yield strength 245MPa, elongation percentage
9%, good mechanical properties.
Case study on implementation 3
Using HAT-400 ton horizontal type extruding Casting Equipment production Aluminum Alloy Turbine disk, casting weight 1.5kg, material adopts A356
Alloy.Specific process parameter is as follows：Extrusion speed 0.25m/s, casting pressure 90MPa, 700 DEG C of temperature of aluminum liquid, the dwell time
10s.
Specific implementation step is as follows：
1）Installation mold：With driving, the squeeze casting mould of exploitation is sling and be placed between equipment fixed board and dynamic plate, position is adjusted
Whole good after with pressing plate, mould is fixed on Casting Equipment and moves in fixed board.
2）Aluminium ingot melts：Weigh 200kg A356 aluminium ingot to put in 300kg electrical heating smelting furnace, stove after aluminium ingot fusing
Temperature rises to 750 DEG C and carries out refine and degasification, and after the completion of refine and degasification, temperature of aluminum liquid control waits Foundry Production at 700 DEG C.
3）Injection：After mould installion is finished, with gas range, Baking out is carried out to mould, make mould temperature that 150 DEG C are reached, spraying
Matched moulds after releasing agent.After mould matched moulds, shot sleeve is inclined, and manually aluminium liquid is scooped in barrel, and shot sleeve ajusts rear injection, injection
Speed controlling is in 0.25m/s.Rational injection speed is the needs of foundry goods molding of the present invention, because foundry goods wall is thicker, practice
Find：When injection speed is excessively slow, does not also fill type and finish leading portion and just solidify, so as to affect to fill type；And injection speed too fast when, hold
Easily volume gas, affect casting casting quality.
4）Pressurize：Switch high pressure after the completion of filling type, high-pressure control controlled in 10s in 90MPa, dwell time.Rationally
Casting pressure be foundry goods molding of the present invention needs because when pressure is too small, casting compactness is inadequate, gas after heat treating castings
Bubble, and when pressure is excessive, die life reduces, the mould power that rises is excessive, also has damage to Clamping System.And the dwell time is come
Say, the dwell time is too short, foundry goods does not also solidify completely, and the dwell time is long, then affect the cycle.
5）Die sinking：Mold after the complete journey of pressurize, taking out foundry goods carries out subsequent treatment.
The implementation case 1 is reasonable as casting technological parameter is arranged, and the surface quality of gained foundry goods is good, no obvious trace
With bad.Without bubbling phenomenon after heat treatment, specific performance is as follows：Tensile strength 295MPa, yield strength 230MPa, elongation percentage
10%, good mechanical properties.
In embodiment 1～3, the present invention rationally controls injection speed between 0.17～0.25m/s, casting pressure control
System is between 90～120MPa, and the dwell time controls between 5～10s.This is the needs of foundry goods molding of the present invention, because foundry goods
Wall is thicker, when injection speed is excessively slow, does not also fill type and finishes leading portion and just solidify, so as to affect to fill type；And injection speed is too fast
When, easy volume gas, impact casting casting quality.And pressure too small when, casting compactness is inadequate, bubble after heat treating castings, and presses
When power is excessive, die life reduces, and the mould power that rises is excessive, also has damage to Clamping System.And for the dwell time, during pressurize
Between too short, foundry goods does not also solidify completely, and the dwell time is long, then affect the cycle.
Comparative example 1
Comparative example 1 is the different of casting pressure from the difference of case study on implementation 1, has investigated impact of the casting pressure to foundry goods.Adopt
With HAT-400 ton horizontal type extruding Casting Equipment production Aluminum Alloy Turbine disk, casting weight 1.5kg, material adopts A356 alloy.Tool
Body technology parameter is as follows：Injection speed 0.2m/s, casting pressure 70MPa, 690 DEG C of temperature of aluminum liquid, dwell time 6s.
Specific implementation step is as follows：
1）Installation mold：With driving, the squeeze casting mould of exploitation is sling and be placed between equipment fixed board and dynamic plate, position is adjusted
Whole good after with pressing plate, mould is fixed on Casting Equipment and moves in fixed board.
2）Aluminium ingot melts：200kg A356 aluminium ingot is put in 300kg electrical heating smelting furnace, stove after aluminium ingot fusing
Temperature rises to 750 DEG C and carries out refine and degasification, and after the completion of refine and degasification, temperature of aluminum liquid control waits Foundry Production at 690 DEG C.
3）Injection：After mould installion is finished, with gas range, Baking out is carried out to mould, make mould temperature that 150 DEG C are reached, spraying
Matched moulds after releasing agent.After mould matched moulds, shot sleeve is inclined, and manually aluminium liquid is scooped in barrel, and shot sleeve ajusts rear injection, injection
Speed controlling is in 0.2m/s.
4）Pressurize：Switch high pressure after the completion of filling type, high-pressure control controlled in 6s in 70MPa, dwell time.
5）Die sinking：Mold after the complete journey of pressurize, taking out foundry goods carries out subsequent treatment.
As casting pressure 70MPa setting is not high enough, cause casting compactness inadequate, after heat treatment there to be necessarily corner location
Little bubbling, surface quality is bad.Specific performance is as follows：Tensile strength 295MPa, surrenders 235MPa, elongation percentage 10%.
Comparative example 2
Comparative example 2 is the different of extrusion speed from the difference of case study on implementation 1, using HAT-400 ton horizontal type extruding Casting Equipment
Production Aluminum Alloy Turbine disk, casting weight 1.5kg, material adopts A356 alloy.In order to study injection speed to casting quality
Impact, specific process parameter is as follows：Injection speed 0.15m/s, casting pressure 110MPa, 690 DEG C of temperature of aluminum liquid, the dwell time
6s.
Specific implementation step is as follows：
1）Installation mold：With driving, squeeze casting mould is sling and be placed between Casting Equipment fixed board and dynamic plate, position adjustment
With pressing plate, squeeze casting mould is fixed on Casting Equipment after good to move in fixed board.
2）Aluminium ingot melts：Weigh 200kg A356 aluminium ingot to put in 300kg electrical heating smelting furnace, stove after aluminium ingot fusing
Temperature rises to 750 DEG C and carries out refine and degasification, and after the completion of refine and degasification, temperature of aluminum liquid control waits Foundry Production at 690 DEG C.
3）Injection：After mould installion is finished, carrying out Baking out to mould with gas range makes mould temperature reach 150 DEG C, spraying
Matched moulds after releasing agent.After mould matched moulds, shot sleeve is inclined, and manually aluminium liquid is scooped in barrel, and shot sleeve ajusts rear injection, injection
Speed controlling is in 0.15m/s.
4）Pressurize：Switch high pressure after the completion of filling type, high-pressure controls in 110MPa.
5）Die sinking：Mold after the complete journey of pressurize, taking out foundry goods carries out subsequent treatment.
As injection speed is not fast enough, cast(ing) surface respective location has certain trace, surface bubble-free after heat treatment, tool
Body performance is as follows：Tensile strength 290MPa, surrenders 235MPa, elongation percentage 9%.
Claims (9)
1. a kind of novel turbine disk squeeze cast form technique, it is characterised in that：Including forming step：1）Installation mold；2）Aluminum
Ingot melts；3）Injection；4）Pressurize and die sinking；Wherein step 3）Described in injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection, injection speed be 0.17～0.25m/s injection,；Step
Rapid 4）Described in pressurize, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa, the dwell time be 5～10s, casting pressure be 90～120MPa.
2. a kind of novel turbine disk squeeze cast form technique according to claim 1, it is characterised in that：Step 3）Middle institute
The injection that states, injection speed is 0.2m/s；Step 4）Described in pressurize, casting pressure be 110MPa, the dwell time be 6s.
3. a kind of novel turbine disk squeeze cast form technique according to claim 1, it is characterised in that：Step 2）Middle institute
The aluminum ingot melting that states, temperature of aluminum liquid is 660～700 DEG C.
4. a kind of novel turbine disk squeeze cast form technique according to claim 1, it is characterised in that：Step 2）Middle institute
The aluminum ingot melting that states, temperature of aluminum liquid is 690 DEG C.
5. a kind of novel turbine disk squeeze cast form technique according to claim 1, it is characterised in that：Step 1）Described
Installation mold, concretely comprise the following steps：Squeeze casting mould is sling and is placed between equipment fixed board and dynamic plate, after position adjustment is good
With pressing plate, mould is fixed on Casting Equipment to move in fixed board.
6. a kind of novel turbine disk squeeze cast form technique according to claim 1 or 3 or 4, it is characterised in that：Step
2）Described in aluminum ingot melting, concretely comprise the following steps：Aluminium ingot is put in electrical heating smelting furnace, furnace liter after aluminium ingot fusing
Refine and degasification are carried out to 750 DEG C, after the completion of refine and degasification, control temperature of aluminum liquid waits Foundry Production.
7. a kind of novel turbine disk squeeze cast form technique according to claim 1, it is characterised in that：Step 3）Middle institute
The injection that states, concretely comprises the following steps：After mould installion is finished, with gas range, Baking out is carried out to mould, make mould temperature reach 150
DEG C, matched moulds after spraying releasing agent, after mould matched moulds, shot sleeve is inclined, and manually aluminium liquid is scooped in barrel, and shot sleeve is pressed after ajusting
Penetrate.
8. a kind of novel turbine disk squeeze cast form technique according to claim 1, it is characterised in that：Step 3）Middle institute
The pressurize that states and die sinking, concretely comprise the following steps：Switch high pressure after the completion of filling type, mold after the completion of pressurize, taking out foundry goods is carried out subsequently
Process.
9. a kind of novel turbine disk squeeze cast form technique according to claim 1, it is characterised in that：Prepared whirlpool
Wheel disc, 290～310MPa of its tensile strength, 230～250MPa of yield strength, elongation percentage 9～11%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611069326.5A CN106424632A (en) | 2016-11-29 | 2016-11-29 | Novel turbine disc squeeze casting forming technology |
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| CN201611069326.5A CN106424632A (en) | 2016-11-29 | 2016-11-29 | Novel turbine disc squeeze casting forming technology |
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| CN106424632A true CN106424632A (en) | 2017-02-22 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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