CN106077503A - A kind of casting technique of supporting leg - Google Patents
A kind of casting technique of supporting leg Download PDFInfo
- Publication number
- CN106077503A CN106077503A CN201610466090.2A CN201610466090A CN106077503A CN 106077503 A CN106077503 A CN 106077503A CN 201610466090 A CN201610466090 A CN 201610466090A CN 106077503 A CN106077503 A CN 106077503A
- Authority
- CN
- China
- Prior art keywords
- foundry goods
- supporting leg
- molten iron
- mould
- rising head
- 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
- 238000005266 casting Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 41
- 230000000630 rising effect Effects 0.000 claims abstract description 25
- 229910052742 iron Inorganic materials 0.000 claims abstract description 20
- 238000000465 moulding Methods 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 9
- 239000004576 sand Substances 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 4
- 229910001651 emery Inorganic materials 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 4
- 235000013372 meat Nutrition 0.000 claims 1
- 229910000859 α-Fe Inorganic materials 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract description 2
- 239000013589 supplement Substances 0.000 abstract description 2
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/088—Feeder heads
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses the casting technique of a kind of supporting leg, comprise the following steps: S1: make raw material；S2: molten iron makes；S3: mould heats；S4: moulding；S5: inject molten iron；S6: blank molding；S7: blank comes off；S8: final molding.The present invention passes through rising head and the appropriate design of foundry goods, foundry goods is made stably to meet UT 2 grades detection, molten iron supplements to make this casting heat energy-saving position be obtained in that, prevent the formation of shrinkage cavity, significantly reduce inspection cost, and change the proportioning of composition, make this foundry goods can form ferrite matrix that is enough and that stablize content, guarantee intensity and the toughness of foundry goods so that the performance of foundry goods meets requirement, and fully meets GB in mechanical property.
Description
Technical field
The present invention relates to support leg skill field, the casting technique of a kind of supporting leg.
Background technology
This support is the important connection parts pulling lorry, realizes headstock by connection herein and provides power to railway carriage,
Foundry goods is asked to have good mechanical property, good dense materials, good tensile strength and good toughness, to casting
Technological requirement is the highest, it is desirable to foundry goods without burning into sand, pore, shrinkage cavity, shrinkage porosite, the defect such as cold shut, major part Foundry Works mould process, this
Technique leaves following problem: cast member shrinkage porosite problem is serious, and yield rate is low, and cast member performance does not reaches QT400-18 requirement.
Summary of the invention
It is an object of the invention to provide the casting technique of a kind of supporting leg, with solve in above-mentioned background technology propose ask
Topic.
For achieving the above object, the present invention provides following technical scheme: the casting technique of a kind of supporting leg, including following step
Rapid:
S1: make raw material, this raw material comprises following component: C%3.7～3.9, Si%2.2～2.3, Mn%0.15～
0.2, P%≤0.05, S%≤0.02, Mg%0.03～0.065；
S2: molten iron makes, and is thrown in smelting furnace by load weighted raw material, and works as the process that raw material melts in a furnace
In, more constantly material solution is stirred by agitating device, until solution is stirred completely；
S3: mould toasts, and is toasted by mould, and mould is heated to 40～50 degree before moulding；
S4: moulding, utilizes DISC device modeling；
S5: inject molten iron, during casting, can join the heat energy-saving position of foundry goods by rising head by molten iron；
S6: blank molding, molten iron cools down in sand mo(u)ld, until material solution solidifies completely；
S7: blank comes off, is separated with rising head foundry goods body by hydraulic tongs；
S8: final molding, by increasing big emery wheel and angular machine sanding apparatus, polishes to it, until casting
Part surface is without fleshiness, overlap and burr.
Preferably, the supporting leg mould mentioned in described S3 includes that template and core, the side of described template are provided with cast gate
Cup, one end of described cup is connected with cross gate, and the both sides, upper end of described core are equipped with rising head, the left and right two of described core
Side is equipped with multiple foundry goods and multiple positioning and guiding guide, and guides guide between foundry goods.
Preferably, the rising head of described supporting leg mould is four, and is equally spaced between rising head.
Compared with prior art, the invention has the beneficial effects as follows: the casting technique of this supporting leg, cold by reasonably arranging
Ferrum and rising head, make foundry goods stably meet the detection of UT-2 level, significantly reduce inspection cost, and change the proportioning of composition so that
This foundry goods can form ferrite matrix that is enough and that stablize content, it is ensured that the intensity of foundry goods and toughness so that the performance of foundry goods
Meet requirement, and fully meet GB in mechanical property.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is the cross gate schematic diagram of the present invention.
In figure: 1 cup, 2 cross gates, 3 rising heads, 4 foundry goods, 5 positioning and guiding guidees, 6 cores, 7 templates.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1-2, the present invention provides a kind of technical scheme: the casting technique of a kind of supporting leg, comprises the following steps:
Embodiment one
S1: make raw material, this raw material comprises following component: C%3.7, Si%2.2, Mn%0.15, P%0.02, S%
0.01, Mg%0.03.
S2: molten iron makes, and is thrown in smelting furnace by load weighted raw material, and works as the process that raw material melts in a furnace
In, more constantly material solution is stirred by agitating device, until solution is stirred completely.
S3: mould toasts, and is toasted by mould, and mould is heated to 40 degree before moulding, described supporting leg mould
Including template 7 and core 6, the side of described template 7 is provided with cup 1, and one end of described cup 1 is connected with cross gate 2, institute
The both sides, upper end stating core 6 are equipped with rising head 3, and the left and right sides of described core 6 is equipped with multiple foundry goods 4 and multiple positioning and guiding
Guide 5, and guiding guide 5 is between foundry goods 4, the rising head 3 of described supporting leg mould is equidistantly to divide between four, and rising head 3
Cloth.
S4: moulding, utilizes DISC device modeling.
S5: inject molten iron, during casting, can join the heat energy-saving position of foundry goods by rising head by molten iron.
S6: blank molding, molten iron cools down in sand mo(u)ld, until material solution solidifies completely.
S7: blank comes off, is separated with rising head foundry goods body by hydraulic tongs.
S8: final molding, by increasing big emery wheel and angular machine sanding apparatus, polishes to it, until cast(ing) surface
Without fleshiness, overlap and burr.
Embodiment two
S1: make raw material, this raw material comprises following component: C%3.9, Si%2.3, Mn%0.2, P%0.05, S%
0.02, Mg%0.065.
S2: molten iron makes, and is thrown in smelting furnace by load weighted raw material, and works as the process that raw material melts in a furnace
In, more constantly material solution is stirred by agitating device, until solution is stirred completely.
S3: mould toasts, and is toasted by mould, and mould is heated to 50 degree before moulding, described supporting leg mould
Including template 7 and core 6, the side of described template 7 is provided with cup 1, and one end of described cup 1 is connected with cross gate 2, institute
The both sides, upper end stating core 6 are equipped with rising head 3, and the left and right sides of described core 6 is equipped with multiple foundry goods 4 and multiple positioning and guiding
Guide 5, and guiding guide 5 is between foundry goods 4, the rising head 3 of described supporting leg mould is equidistantly to divide between four, and rising head 3
Cloth.
S4: moulding, utilizes DISC device modeling.
S5: inject molten iron, during casting, can join the heat energy-saving position of foundry goods by rising head by molten iron.
S6: blank molding, blank molding, molten iron cools down in sand mo(u)ld, until material solution solidifies completely.
S7: blank comes off, is separated with rising head foundry goods body by hydraulic tongs.
S8: final molding, by increasing big emery wheel and angular machine sanding apparatus, polishes to it, until cast(ing) surface
Without fleshiness, overlap and burr.
According to both the above embodiment, it is appreciated that the present invention changes the heat of supporting leg by changing described casting technique
Joint distribution, makes this foundry goods 4 be easier to realize consecutive solidification, prevents Formation of Shrinkage Porosity, and described casting technique adds rising head 3 and arranges,
Molten iron supplements to make this casting heat energy-saving position be obtained in that, prevents the formation of shrinkage cavity, described casting technique from changing the interpolation of composition,
Make this foundry goods 4 can form ferrite matrix that is enough and that stablize content, it is ensured that the intensity of foundry goods 4 and toughness, and in cast
After completing, by 4 rising heads, foundry goods is realized feeding, realize central hole by the chill in core 6 simultaneously and quickly cool down, make
Cast 4 and realize consecutive solidification, feed change composition proportion, this composition guarantee product ferrite content remain at 85% with
On.Mechanical property fully meets GB.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (3)
1. the casting technique of a supporting leg, it is characterised in that comprise the following steps:
S1: making raw material, this raw material comprises following component: C%3.7～3.9, Si%2.2～2.3, Mn%0.15～0.2, P%
≤ 0.05, S%≤0.02, Mg%0.03～0.065；
S2: molten iron makes, and is thrown in smelting furnace by load weighted raw material, and during raw material melts in a furnace, then
Constantly material solution is stirred by agitating device, until solution is stirred completely；
S3: mould toasts, and is toasted by mould, and mould is heated to 40～50 degree before moulding；
S4: moulding, utilizes DISC device modeling；
S5: inject molten iron, during casting, can join the heat energy-saving position of foundry goods by rising head by molten iron；
S6: blank molding, molten iron cools down in sand mo(u)ld, until material solution solidifies completely；
S7: blank comes off, is separated with rising head foundry goods body by hydraulic tongs；
S8: final molding, by increasing big emery wheel and angular machine sanding apparatus, polishes to it, until cast(ing) surface is without many
Meat, overlap and burr.
The casting technique of a kind of supporting leg the most according to claim 1, it is characterised in that: the supporting leg mentioned in described S3
Mould includes template (7) and core (6), and the side of described template (7) is provided with cup (1), one end of described cup (1) with
Cross gate (2) connects, and the both sides, upper end of described core (6) are equipped with rising head (3), and the left and right sides of described core (6) is equipped with
Multiple foundry goods (4) and multiple positioning and guiding guide (5), and guide guide (5) be positioned between foundry goods (4).
The casting technique of a kind of supporting leg the most according to claim 2, it is characterised in that: the rising head of described supporting leg mould
(3) it is four, and is equally spaced between rising head (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466090.2A CN106077503A (en) | 2016-06-23 | 2016-06-23 | A kind of casting technique of supporting leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466090.2A CN106077503A (en) | 2016-06-23 | 2016-06-23 | A kind of casting technique of supporting leg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106077503A true CN106077503A (en) | 2016-11-09 |
Family
ID=57252525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610466090.2A Pending CN106077503A (en) | 2016-06-23 | 2016-06-23 | A kind of casting technique of supporting leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106077503A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406191A (en) * | 2021-07-13 | 2022-04-29 | 芜湖格力精密制造有限公司 | Sand casting structure, molding die and casting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59137151A (en) * | 1983-01-10 | 1984-08-07 | Nippon Rutsubo Kk | Heat insulating method of riser |
| US4665968A (en) * | 1984-05-16 | 1987-05-19 | Mannesmann Rexroth Gmbh | Casting mold with feeder |
| CN202239497U (en) * | 2011-08-04 | 2012-05-30 | 黄石东贝铸造有限公司 | Steering knuckle sand mould provided with double-neck riser |
| CN102554130A (en) * | 2012-01-31 | 2012-07-11 | 西峡县内燃机进排气管有限责任公司 | Casting method for high-nickel austenite nodular cast iron exhaust manifold |
| CN103060671A (en) * | 2013-01-28 | 2013-04-24 | 江苏一汽铸造股份有限公司 | Ferritic nodular cast iron and preparation thereof |
| CN103551509A (en) * | 2013-08-24 | 2014-02-05 | 中国北车集团大同电力机车有限责任公司 | HXB2 axle box casting method |
| CN203817298U (en) * | 2014-04-29 | 2014-09-10 | 江苏金洋机械有限公司 | Sand mold device of nodular cast iron hub |
| CN104962803A (en) * | 2015-05-22 | 2015-10-07 | 浙江欧冶达机械制造有限公司 | Casting method of castings provided with risers |
| CN104975125A (en) * | 2015-06-27 | 2015-10-14 | 芜湖市容川机电科技有限公司 | Auxiliary material used for production of nodular cast iron QT400-18 |
| CN204892871U (en) * | 2015-05-29 | 2015-12-23 | 安徽丰瑞金属制品有限公司 | A mould for casting parts |
| CN105328120A (en) * | 2015-10-10 | 2016-02-17 | 刘天平 | Transverse-molding and vertical-casting casting molding method for casting |
-
2016
- 2016-06-23 CN CN201610466090.2A patent/CN106077503A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59137151A (en) * | 1983-01-10 | 1984-08-07 | Nippon Rutsubo Kk | Heat insulating method of riser |
| US4665968A (en) * | 1984-05-16 | 1987-05-19 | Mannesmann Rexroth Gmbh | Casting mold with feeder |
| CN202239497U (en) * | 2011-08-04 | 2012-05-30 | 黄石东贝铸造有限公司 | Steering knuckle sand mould provided with double-neck riser |
| CN102554130A (en) * | 2012-01-31 | 2012-07-11 | 西峡县内燃机进排气管有限责任公司 | Casting method for high-nickel austenite nodular cast iron exhaust manifold |
| CN103060671A (en) * | 2013-01-28 | 2013-04-24 | 江苏一汽铸造股份有限公司 | Ferritic nodular cast iron and preparation thereof |
| CN103551509A (en) * | 2013-08-24 | 2014-02-05 | 中国北车集团大同电力机车有限责任公司 | HXB2 axle box casting method |
| CN203817298U (en) * | 2014-04-29 | 2014-09-10 | 江苏金洋机械有限公司 | Sand mold device of nodular cast iron hub |
| CN104962803A (en) * | 2015-05-22 | 2015-10-07 | 浙江欧冶达机械制造有限公司 | Casting method of castings provided with risers |
| CN204892871U (en) * | 2015-05-29 | 2015-12-23 | 安徽丰瑞金属制品有限公司 | A mould for casting parts |
| CN104975125A (en) * | 2015-06-27 | 2015-10-14 | 芜湖市容川机电科技有限公司 | Auxiliary material used for production of nodular cast iron QT400-18 |
| CN105328120A (en) * | 2015-10-10 | 2016-02-17 | 刘天平 | Transverse-molding and vertical-casting casting molding method for casting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406191A (en) * | 2021-07-13 | 2022-04-29 | 芜湖格力精密制造有限公司 | Sand casting structure, molding die and casting method |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |