CN106424573A - Cylindrical casting feeding method - Google Patents
Cylindrical casting feeding method Download PDFInfo
- Publication number
- CN106424573A CN106424573A CN201610979058.4A CN201610979058A CN106424573A CN 106424573 A CN106424573 A CN 106424573A CN 201610979058 A CN201610979058 A CN 201610979058A CN 106424573 A CN106424573 A CN 106424573A
- Authority
- CN
- China
- Prior art keywords
- feeding
- running channel
- tubular
- thickness
- vertical tube
- 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
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
-
- 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
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D15/00—Casting using a mould or core of which a part significant to the process is of high thermal conductivity, e.g. chill casting; Moulds or accessories specially adapted therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a cylindrical casting feeding method. The cylindrical casting feeding method includes the steps of S1, connecting a feeding pouring gate with a vertical cylinder directly to make a temperature field in the feeding pouring gate higher than that of a fed portion, so that a thick portion is fed sufficiently and porosity defects are reduced; S2, designing the feeding pouring gate reasonably; S3, designing a chill block on the fed portion in front of the feeding pouring gate, and strengthening chilling to externally transfer hot spot into the feeding pouring gate. The cylindrical casting feeding method is capable of reducing shrinkage cavities and porosity defects of thick portions of cylindrical castings, so that the quality of the castings is improved.
Description
Technical field
The present invention relates to the placingJi Shu field of foundry goods, particularly a kind of method for designing of tubular feeding a casting running channel.
Background technology
Tubular foundry goods is a kind of common foundry goods, and such foundry goods is widely used in Aero-Space, ship, automobile and other works
Industry field, with the development of modern foundry engieering, lightweight, in high precision, the tubular casting method of high complexity becomes
Study hotspot.
Loose generation is a major defect that class foundry goods easily occurs in process of production, is restriction casting qualified rate
One of the main reasons, particularly to some positions that are important and not allowing repair welding, once defect is exceeded, means that foundry goods is scrapped.
Frequently with the running gate system of vertical tube plus clearance type running channel during cylinder class foundry goods counter-pressure casting, conventional vertical tube adds clearance type
Running channel running gate system is because vertical tube wall is with diameter greater than cylinder class casting section thickness, and vertical tube temperature field is generally higher than cylinder class foundry goods body,
Cause vertical tube solidification sequence after cylinder class foundry goods body, this is conducive to the feeding to foundry goods for the vertical tube.There is thick big wall thickness for inner chamber
Boss tubular foundry goods, when boss from vertical tube farther out, vertical tube does not have feeding effect to it, and should not arrange vertical tube herein
When, easily produce exceeded rarefaction defect at the boss position of thick big wall thickness, shrinkage cavity defect when serious, can be produced.
Therefore, how to design a kind of feeding running channel, make to attain the Way away from the thick big boss position of vertical tube effective feeding, and this is right
Improve the internal quality of casting most important.
Content of the invention
The technical problem that technical scheme solves is by designing feeding running channel, making the thick big boss away from vertical tube
Attain the Way effective feeding in position, thus preventing exceeded rarefaction defect.
For solving above-mentioned technical problem, technical scheme provides a kind of feeding running channel method for designing, step bag
Include：
Step S1, feeding running channel and vertical tube are joined directly together, and make temperature field in feeding running channel be higher than by feeding position, make thick big position
Attain the Way abundant feeding；
Step S2, appropriate design feeding running channel；
Step S3, is designed chill by feeding position before feeding running channel, strengthens Quench, makes to move to outside thermal center in feeding running channel.
Preferably, the width A and thickness δ of described step S2 feeding running channel2According to true by feeding position height B and thickness δ
Fixed：
A=0.5~0.65B
δ2=1.2~1.5δ.
Preferably, described step S3 chill thickness δ1Thickness δ according to feeding position determines, δ1=0.65~0.75δ.
Further, described chill is irony.
Technical scheme at least has the advantage that：
Feeding running channel and vertical tube are directly connected to, and make temperature field in running channel be higher than by feeding position, realize feeding；Quilt before feeding running channel
Chill is placed at feeding position, strengthens thick big position Quench, makes to move outside thermal center simultaneously, so that defect is moved in feeding running channel.
Brief description
Fig. 1 is nacelle class provided in an embodiment of the present invention（Tubular）The flow chart of the feeding running channel design of foundry goods；
Fig. 2 is tubular feeding a casting running channel schematic diagram provided in an embodiment of the present invention；
Fig. 3 is cylinder class feeding a casting running channel close-up schematic view provided in an embodiment of the present invention.
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
Elaborate detail in order to fully understand the present invention in the following description.But the present invention can with multiple not
It is same as alternate manner described here to implement, those skilled in the art can do class without prejudice in the case of intension of the present invention
Like popularization.Therefore the present invention is not limited by following public specific embodiment.
Loose generation is the major defect that tubular foundry goods easily occurs in process of production, is restriction casting qualified rate
One of the main reasons, particularly to some positions that are important and not allowing repair welding, once defect is exceeded, means that foundry goods is scrapped.
Frequently with the running gate system of vertical tube plus clearance type running channel during tubular foundry goods counter-pressure casting, conventional vertical tube adds clearance type
Running channel running gate system is because vertical tube wall is with diameter greater than cylinder class casting section thickness, and vertical tube temperature field is generally higher than cylinder class foundry goods body,
Cause vertical tube solidification sequence after cylinder class foundry goods body, this is conducive to the feeding to foundry goods for the vertical tube.There is big boss for inner chamber
Tubular foundry goods, when boss from vertical tube farther out, vertical tube does not have feeding effect to it, and when should not vertical tube being set herein,
Thick big boss position easily produces exceeded rarefaction defect
Based on said method, the invention provides a kind of tubular feeding a casting running channel method for designing, Fig. 1 is that the embodiment of the present invention carries
For tubular casting moulding system design flow chart, with reference to Fig. 1 ~ 3 describe in detail.
Step S1, feeding running channel and vertical tube are joined directly together, and make temperature field in feeding running channel be higher than by feeding position, make thick big
Attaining the Way abundant feeding in position, reduces rarefaction defect；
Step S2, appropriate design feeding running channel；The width A of feeding running channel and thickness δ 2 is according to by feeding position height B and thickness δ
Determine：A=0.5 ~ 0.65B, δ 2=1.2 ~ 1.5 δ.
Step S3, is designed chill by feeding position before feeding running channel, strengthens Quench, makes to move to feeding running channel outside thermal center
Interior.Chill thickness δ 1 determines according to the thickness δ at feeding position, δ 1=0.65 ~ 0.75 δ.Described chill is irony.
Technical scheme at least has the advantage that：
Feeding running channel and vertical tube are directly connected to, and make temperature field in running channel be higher than by feeding position, realize feeding；Quilt before feeding running channel
Chill is placed at feeding position, strengthens thick big position Quench, makes to move outside thermal center simultaneously, so that defect is moved in feeding running channel.
Although the present invention is open as above with preferred embodiment, it is not for limiting the present invention, any this area
Without departing from the spirit and scope of the present invention, the methods and techniques content that may be by the disclosure above is to this for technical staff
Bright technical scheme makes possible variation and modification, and therefore, every content without departing from technical solution of the present invention, according to the present invention
Technical spirit any simple modification, equivalent variations and modification that above example is made, belong to technical solution of the present invention
Protection.
Claims (4)
1. a kind of tubular feeding a casting method is it is characterised in that comprise the following steps：
Step S1, feeding running channel and vertical tube are joined directly together, and make temperature field in feeding running channel be higher than by feeding position, make thick big position
Attain the Way abundant feeding；
Step S2, appropriate design feeding running channel；
Step S3, is designed chill by feeding position before feeding running channel, strengthens Quench, makes to move to outside thermal center in feeding running channel.
2. as claimed in claim 1 a kind of tubular feeding a casting method it is characterised in that the width of described step S2 feeding running channel
Degree A and thickness δ2Determine according to by feeding position height B and thickness δ：
A=0.5~0.65B
δ2=1.2~1.5δ.
3. as claimed in claim 1 a kind of tubular feeding a casting method it is characterised in that described step S3 chill thickness δ1Root
Thickness δ according to feeding position determines, δ1=0.65~0.75δ.
4. as claimed in claim 3 a kind of tubular feeding a casting method it is characterised in that described chill be irony.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610979058.4A CN106424573A (en) | 2016-11-08 | 2016-11-08 | Cylindrical casting feeding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610979058.4A CN106424573A (en) | 2016-11-08 | 2016-11-08 | Cylindrical casting feeding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106424573A true CN106424573A (en) | 2017-02-22 |
Family
ID=58207555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610979058.4A Pending CN106424573A (en) | 2016-11-08 | 2016-11-08 | Cylindrical casting feeding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106424573A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550903A (en) * | 2018-12-10 | 2019-04-02 | 中国船舶重工集团公司第十二研究所 | A kind of hot investment casting manufacturing process of thin-walled variable cross-section casting |
| CN113560533A (en) * | 2021-08-02 | 2021-10-29 | 贵州航天风华精密设备有限公司 | Composite pouring system |
| CN114653896A (en) * | 2022-04-28 | 2022-06-24 | 贵州航天风华精密设备有限公司 | Defect control system for cylindrical castings |
| CN118162587A (en) * | 2024-05-14 | 2024-06-11 | 贵州航天风华精密设备有限公司 | Sand casting molding device and casting method for special-shaped thin-wall castings |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB408153A (en) * | 1932-11-22 | 1934-04-05 | Ig Farbenindustrie Ag | Process of and mould for the production of metal castings of sound texture |
| SU366917A1 (en) * | 1971-04-05 | 1973-01-23 | CRUSHED GRAIN SYSTEM | |
| SU1688970A1 (en) * | 1988-08-01 | 1991-11-07 | Предприятие П/Я В-2532 | Pouring head system |
| CN203992254U (en) * | 2014-07-29 | 2014-12-10 | 扬州峰明金属制品有限公司 | Alloy in lightweight rising pouring Slot Gating System |
| CN105195676A (en) * | 2015-10-27 | 2015-12-30 | 上海航天精密机械研究所 | Cylindrical casting piece pouring system preventing cracks and design method thereof |
-
2016
- 2016-11-08 CN CN201610979058.4A patent/CN106424573A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB408153A (en) * | 1932-11-22 | 1934-04-05 | Ig Farbenindustrie Ag | Process of and mould for the production of metal castings of sound texture |
| SU366917A1 (en) * | 1971-04-05 | 1973-01-23 | CRUSHED GRAIN SYSTEM | |
| SU1688970A1 (en) * | 1988-08-01 | 1991-11-07 | Предприятие П/Я В-2532 | Pouring head system |
| CN203992254U (en) * | 2014-07-29 | 2014-12-10 | 扬州峰明金属制品有限公司 | Alloy in lightweight rising pouring Slot Gating System |
| CN105195676A (en) * | 2015-10-27 | 2015-12-30 | 上海航天精密机械研究所 | Cylindrical casting piece pouring system preventing cracks and design method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 姜不居等: "《铸造手册 第6卷 特种铸造》", 31 January 2014 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550903A (en) * | 2018-12-10 | 2019-04-02 | 中国船舶重工集团公司第十二研究所 | A kind of hot investment casting manufacturing process of thin-walled variable cross-section casting |
| CN109550903B (en) * | 2018-12-10 | 2020-06-02 | 中国船舶重工集团公司第十二研究所 | Precision casting forming method for thin-wall variable-section casting |
| CN113560533A (en) * | 2021-08-02 | 2021-10-29 | 贵州航天风华精密设备有限公司 | Composite pouring system |
| CN113560533B (en) * | 2021-08-02 | 2022-11-22 | 贵州航天风华精密设备有限公司 | Composite pouring system |
| CN114653896A (en) * | 2022-04-28 | 2022-06-24 | 贵州航天风华精密设备有限公司 | Defect control system for cylindrical castings |
| CN114653896B (en) * | 2022-04-28 | 2023-10-27 | 贵州航天风华精密设备有限公司 | Defect control system for cylindrical castings |
| CN118162587A (en) * | 2024-05-14 | 2024-06-11 | 贵州航天风华精密设备有限公司 | Sand casting molding device and casting method for special-shaped thin-wall castings |
| CN118162587B (en) * | 2024-05-14 | 2024-09-03 | 贵州航天风华精密设备有限公司 | Sand casting molding device and casting method for special-shaped thin-wall castings |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106424573A (en) | Cylindrical casting feeding method | |
| CN105081277B (en) | A kind of metal aluminium ring low-pressure casting process | |
| CN103433434A (en) | Method for casting valve body of flat gate valve | |
| CN104353813A (en) | Aluminum wheel water cooling low-pressure casting die and technology | |
| CN104190899A (en) | Low-pressure casting mold of melt spinning wheel and process thereof | |
| CN206464506U (en) | A kind of casting mold suitable for annular cast | |
| CN204449223U (en) | Mesohigh Water-cooled cylinder body casting mould | |
| CN104785731B (en) | A kind of reduction box casing casting technique | |
| JPH044961A (en) | Die casting method | |
| CN107042287B (en) | A kind of casting method of steam turbine high pressure main air valve casting | |
| CN103537629A (en) | Exhausting method for sand core for core shooting process of cold core box | |
| CN103878341B (en) | Large-scale barrel-type casing aluminium alloy castings low pressure casting shrinkage porosite control device | |
| CN106001501A (en) | Low-pressure die capable of improving performance of aluminum wheel spokes | |
| CN203495180U (en) | Main sprue and pouring gate structure for crank case die-casting molding | |
| CN205673568U (en) | A kind of low-pressure casting die of aluminium alloy wheel | |
| CN104525869A (en) | A casting method of an ultrafine high-nickel-content air tube | |
| CN210172516U (en) | Tool and die for producing square vacuum ingot | |
| CN204308163U (en) | Die casting | |
| CN104550705A (en) | Casting method of large stamping air cylinder casting | |
| CN213916068U (en) | Cooling mechanism for die and side die with cooling mechanism | |
| CN216226862U (en) | A vacuum die-casting fixed mold core of a shock-absorbing tower | |
| CN206662242U (en) | Aluminium alloy wheel hub of vehicle low-pressure machine cast insulation device | |
| CN113579168B (en) | Gravity casting process for long shell of hydraulic steering engine with integrated oil cylinder and gear rack cavity | |
| CN205110694U (en) | Iron core cooling device of automobile wheel hub mould | |
| CN101497112B (en) | Method for eliminating shrinkage porosity of partial isolated part in diesel motor cylinder casting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
|
| RJ01 | Rejection of invention patent application after publication |