CN107931544A - A kind of conjuncted hollow guide vane investment casting process - Google Patents
A kind of conjuncted hollow guide vane investment casting process Download PDFInfo
- Publication number
- CN107931544A CN107931544A CN201711447635.6A CN201711447635A CN107931544A CN 107931544 A CN107931544 A CN 107931544A CN 201711447635 A CN201711447635 A CN 201711447635A CN 107931544 A CN107931544 A CN 107931544A
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- CN
- China
- Prior art keywords
- guide vane
- wax
- pattern
- conjuncted
- thermal insulation
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a kind of conjuncted hollow guide vane investment casting process, it is related to precision casting technology field.Cooperation shell processing, cast parameter, solve the problems, such as that common process scheme yield rate is low, complicated, easily generation is loose at blade position, improve casting qualified rate.
Description
Technical field
The present invention relates to hot investment casting field, is specially a kind of conjuncted hollow guide vane investment casting process.
Background technology
Casting is one of fundamental technology of modern mechanical manufacturing industry.Casting is used as a kind of metal working process, in China
Development is gradually ripe.
Conjuncted hollow guide vane, generally comprises thicker big listrium installation side and the thick big boss in part at least 2, conventional
Model casting scheme can set each heat energy-saving position respectively riser to carry out feeding, and assembled scheme is complicated, and product yield is low, and
And it be easy to cause part key job position --- blade position thermal radiation is more, and cooling effect is poor, easily occurs loose.
The content of the invention
(1) technical problem solved
It is contemplated that a kind of simple assembled scheme of design, coordinates shell processing, cast parameter, solves common process side
Case yield rate is low, it is complicated, easily produce the problem of loose at blade position, improve casting qualified rate.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of conjuncted hollow guide vane melts
Die cast process, comprises the following steps：
(1) compacting of running gate system wax-pattern, guide vane wax-pattern and multiple riser wax-patterns is carried out, then by each wax-pattern portion
Part is combined, and obtains wax pattern assemblies, and the riser wax-pattern is arranged on each heat energy-saving position of guide vane；
(2) wax pattern assemblies obtained by step (1) are subjected to shell manufacture, obtain shell model；
(3) gained shell model is subjected to bag cotton processing, be specifically done the guide vane listrium lower part, guide vane
Attached thermal insulation material is not wrapped at blade and the thick big boss position of guide vane；The guide vane listrium top subpackage has 6-8mm
Thick thermal insulation material, the riser position is wrapped with the thermal insulation material of 13-15mm thickness；
(4) shell coated is preheated, and carries out smelting and pouring；
(5) the casting progress heat treatment being poured in will be poured, then by cutting, polishing, heat treatment and correction step, obtained smart
One-piece casting；
(6) finishing casting obtained by step (5) is subjected to size detection, fluorescent inspection, x-ray examination successively, to obtain the final product.
The thermal insulation material can be insulation quilt or insulation asbestos.
The present invention is applied in the conjuncted guide vane of certain combustion engine, casting process yield more than 60%, and casting closes
Lattice rate more than 90%, one-piece parts are without loose.
(3) beneficial effect
The present invention provides a kind of conjuncted hollow guide vane investment casting process.Possesses following beneficial effect：This
Invention is applied in the conjuncted guide vane of certain combustion engine, casting process yield more than 60%, casting qualified rate 90% with
On, one-piece parts are without loose.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
In figure：1st, running gate system；2nd, guide vane；3rd, riser；4th, boss position；5th, thermal insulation material；
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of conjuncted hollow guide vane investment casting technique side
Method, comprises the following steps：
(1) compacting of running gate system wax-pattern, guide vane wax-pattern and multiple riser wax-patterns is carried out, then by each wax-pattern portion
Part is combined, and obtains wax pattern assemblies, and the riser wax-pattern is arranged on each heat energy-saving position of guide vane；
(2) wax pattern assemblies obtained by step (1) are subjected to shell manufacture, obtain shell model；
(3) gained shell model is subjected to bag cotton processing, be specifically done the 2 listrium lower part of guide vane, directing vane
Attached thermal insulation material 5 is not wrapped at 2 blade of piece and the thick big boss position 4 of guide vane 2；The 2 listrium top subpackage of guide vane is attached
There is the thermal insulation material 5 of 6-8mm thickness, the riser position is wrapped with the thermal insulation material 5 of 13-15mm thickness；
(4) shell coated is preheated, and carries out smelting and pouring；
(5) the casting progress heat treatment being poured in will be poured, then by cutting, polishing, heat treatment and correction step, obtained smart
One-piece casting；
(6) finishing casting obtained by step (5) is subjected to size detection, fluorescent inspection, x-ray examination successively, to obtain the final product.
The thermal insulation material 5 can be insulation quilt or insulation asbestos.
The present invention uses shell mould ladder bag cotton mode, ensures that 2 position of guide vane solidifies at first, reduces micro- dredge
The exceeded risk of pine；Coordinate and select appropriate shell temperature and pouring temperature, ensure that the Feeding channel of casting in itself is unimpeded, riser
3 pairs of casting have the feeding capacity of abundance, realize consecutive solidification of the casting from top to bottom, from casting to riser.
The thermal insulation material 5 can be insulation quilt or insulation asbestos.
The present invention is applied in the conjuncted guide vane of certain combustion engine, casting process yield more than 60%, and casting closes
Lattice rate more than 90%, one-piece parts are without loose.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment
Intrinsic key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (2)
- A kind of 1. conjuncted hollow guide vane investment casting process, it is characterised in that：Comprise the following steps：(1) carry out the compacting of running gate system wax-pattern, guide vane wax-pattern and multiple riser wax-patterns, then by each wax-pattern component into Row combination, obtains wax pattern assemblies, the riser wax-pattern is arranged on each heat energy-saving position of guide vane；(2) wax pattern assemblies obtained by step (1) are subjected to shell manufacture, obtain shell model；(3) gained shell model is subjected to bag cotton processing, be specifically done the guide vane listrium lower part, guide vane blade And attached thermal insulation material is not wrapped at the thick big boss position of guide vane；The guide vane listrium top subpackage is with 6-8mm thickness Thermal insulation material, the riser position are wrapped with the thermal insulation material of 13-15mm thickness；(4) shell coated is preheated, and carries out smelting and pouring；(5) the casting progress heat treatment being poured in will be poured, then by cutting, polishing, heat treatment and correction step, obtains finishing and cast Part；(6) finishing casting obtained by step (5) is subjected to size detection, fluorescent inspection, x-ray examination successively, to obtain the final product.
- 2. the conjuncted hollow guide vane investment casting process of one kind according to claim 1, it is characterised in that：It is described Thermal insulation material can be insulation quilt or insulation asbestos.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711447635.6A CN107931544A (en) | 2017-12-27 | 2017-12-27 | A kind of conjuncted hollow guide vane investment casting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711447635.6A CN107931544A (en) | 2017-12-27 | 2017-12-27 | A kind of conjuncted hollow guide vane investment casting process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107931544A true CN107931544A (en) | 2018-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711447635.6A Pending CN107931544A (en) | 2017-12-27 | 2017-12-27 | A kind of conjuncted hollow guide vane investment casting process |
Country Status (1)
| Country | Link |
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| CN (1) | CN107931544A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108515146A (en) * | 2018-05-22 | 2018-09-11 | 株洲中航动力精密铸造有限公司 | The running gate system of whole essence casting guider |
| CN109622888A (en) * | 2018-12-20 | 2019-04-16 | 航天海鹰(哈尔滨)钛业有限公司 | A kind of cast shaping process of the multi-joint guide vane casting of complexity high temperature alloy |
| CN110052583A (en) * | 2019-03-15 | 2019-07-26 | 启东市聚旺铸造有限公司 | Precise casting process of hollow guide blade |
| CN110640084A (en) * | 2019-10-29 | 2020-01-03 | 贵州安吉航空精密铸造有限责任公司 | Preparation method of investment casting shell |
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| US20100193150A1 (en) * | 2009-02-04 | 2010-08-05 | Rolls-Royce Plc | Casting method |
| CN204247910U (en) * | 2014-10-31 | 2015-04-08 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of triplet that prevents is hollow without the running gate system that cracks of surplus essence casting blade |
| CN105290337A (en) * | 2015-11-16 | 2016-02-03 | 沈阳黎明航空发动机(集团)有限责任公司 | Multiple-connection-blade precision casting method |
| CN105364006A (en) * | 2015-12-09 | 2016-03-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Wax mold of large-size hollow shrouded blade casting pouring system and manufacturing method of wax mold |
| CN107598097A (en) * | 2017-11-10 | 2018-01-19 | 东方电气集团东方汽轮机有限公司 | A kind of wax-pattern combination of turborotor and its fine casting method |
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| US20100193150A1 (en) * | 2009-02-04 | 2010-08-05 | Rolls-Royce Plc | Casting method |
| CN204247910U (en) * | 2014-10-31 | 2015-04-08 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of triplet that prevents is hollow without the running gate system that cracks of surplus essence casting blade |
| CN105290337A (en) * | 2015-11-16 | 2016-02-03 | 沈阳黎明航空发动机(集团)有限责任公司 | Multiple-connection-blade precision casting method |
| CN105364006A (en) * | 2015-12-09 | 2016-03-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Wax mold of large-size hollow shrouded blade casting pouring system and manufacturing method of wax mold |
| CN107598097A (en) * | 2017-11-10 | 2018-01-19 | 东方电气集团东方汽轮机有限公司 | A kind of wax-pattern combination of turborotor and its fine casting method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108515146A (en) * | 2018-05-22 | 2018-09-11 | 株洲中航动力精密铸造有限公司 | The running gate system of whole essence casting guider |
| CN109622888A (en) * | 2018-12-20 | 2019-04-16 | 航天海鹰(哈尔滨)钛业有限公司 | A kind of cast shaping process of the multi-joint guide vane casting of complexity high temperature alloy |
| CN110052583A (en) * | 2019-03-15 | 2019-07-26 | 启东市聚旺铸造有限公司 | Precise casting process of hollow guide blade |
| CN110640084A (en) * | 2019-10-29 | 2020-01-03 | 贵州安吉航空精密铸造有限责任公司 | Preparation method of investment casting shell |
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Application publication date: 20180420 |