CN105081224A - Thermal insulating exothermic riser for feeding spheroidal graphite cast iron thick-walled casting and cooling method thereof - Google Patents
Thermal insulating exothermic riser for feeding spheroidal graphite cast iron thick-walled casting and cooling method thereof Download PDFInfo
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- CN105081224A CN105081224A CN201510525703.0A CN201510525703A CN105081224A CN 105081224 A CN105081224 A CN 105081224A CN 201510525703 A CN201510525703 A CN 201510525703A CN 105081224 A CN105081224 A CN 105081224A
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Abstract
The invention provides a thermal insulating exothermic riser for feeding a spheroidal graphite cast iron thick-walled casting. The thermal insulating exothermic riser comprises a riser bush and a riser pad, wherein the riser pad and the riser bush are coaxially arranged, a cut-through through hole is formed in the central position of the riser pad so as to form a riser neck, core iron is arranged in the riser pad, the core iron adopts a ring structure formed by coiling a square pipe in the horizontal plane, the ring structure and the riser pad are cocentrically arranged, the diameter of the smallest ring of the ring structure of the core iron is larger than that of the riser neck, and the two end heads of the square pipe form two openings of the ring structure, respectively a core iron gas inlet and a core iron gas outlet. The thermal insulating exothermic riser is directly put at the maximum hot spot part of the casting, the method is simple and stable, the practicability is strong, the riser design difficulty of a large spheroidal graphite casting can be simplified, process quality is convenient to control, and deflects, such as casting shrinkage porosity, shrinkage cavity and sand inclusion are reduced. The invention further provides a cooling method of the thermal insulating exothermic riser for feeding the spheroidal graphite cast iron thick-walled casting.
Description
Technical field
The present invention relates to a kind of insulating and heating riser, particularly relate to a kind of spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser and cool-down method thereof.
Background technology
Casting shrinking hole is a kind of common casting flaw, do not obtain the feeding of liquid metal or alloy in the region of foundry goods final set and form dispersion and tiny shrinkage cavity, because spheroidal graphite cast-iron is that atherosclerotic is solidified, solidification temperature range is wide, especially for thick large nodular iron casting, due to casting section thickness, large-scale rising head is needed to carry out feeding to foundry goods, molding sand is under the encirclement of high temperature liquid iron, heat can not conduct smoothly, rising head root will be caused to form thermal center, cause the casting solidification time at thermal center place long, graphite nodule is large and lack, produce shrinkage cavity, the tendency of shrinkage porosite is very large.
Traditional solution adopts rising head, the consecutive solidification of chill prevents foundry goods from producing shrinkage cavity, or take to optimize melting material, control molding sand quality, reduce the measure such as poring rate and pouring temperature, but for thick-wall nodular iron, especially wall thickness is greater than the ductile cast iron casting of 50mm, rising head can not be placed on maximum thermal center place again, if rising head to be placed on maximum thermal center place, foundry goods thermal center will be strengthened, larger rising head is needed to improve, this will affect the institutional framework of foundry goods, graphite form, product yield, rising head can only be placed near maximum thermal center, but in order to ensure the unimpeded of Feeding channel, again can not apart from too far away, existence design like this is difficult to reach consistent problem with field control, in practical operation, the effect that rising head plays is unstable, fluctuation is larger, thus affect the castability of foundry goods.
Summary of the invention
Be necessary to propose a kind of spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser, described rising head is incubated in pouring metal melt process, heating effect is good, and cast terminates the rear waste heat fast cooling to maximum thermal center place, avoids the generation of foundry goods shrinkage cavity.
There is a need to propose a kind of spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser cool-down method.
A kind of spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser, comprise riser buss and riser pad, described riser buss is the hollow cylinder of one end open, the end face of described cylindrical sealed end offers air-vent, in the openend of described riser buss, riser pad is set, the openend close contact of described riser pad and riser buss, described riser pad is the disk that diameter is greater than the diameter of the outer wall of riser buss, described riser pad and riser buss are coaxially arranged, through through hole is offered to form riser neck in the center of described riser pad, the inner space of the riser buss arranged above with foundry goods die cavity riser pad arranged below by riser neck and riser pad, in described riser pad inside, core iron is set, described core iron is the circular ring structure be coiled to form in horizontal plane by a square tube, described circular ring structure is arranged with described riser pad is concentric, the diameter of the minimum annulus of the circular ring structure of described core iron is greater than the diameter of described riser neck, two terminations of described square tube form two openings of circular ring structure, be respectively core iron air inlet and core iron gas outlet, described core iron air inlet and core iron gas outlet are connected with providing compressed-air actuated external pipe respectively.
A kind of spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser cool-down method, comprises the following steps:
In the time of the 3min ~ 10min after molten iron is poured, pass into from core iron air inlet pressure for being not less than 1MPa, temperature is the compressed air of 10 DEG C ~ 15 DEG C, make the compressed air keeping in the core iron of riser pad flowing, to reduce effective modulus of riser pad, accelerate the cooling of riser pad;
In the time of the 30min ~ 60min after molten iron is poured, pass into from cooling ring air inlet the compressed air that pressure is not less than 1MPa, temperature is 10 DEG C ~ 15 DEG C, make the compressed air keeping in cooling ring flowing, to accelerate the cooling of riser buss;
After the temperature of foundry goods is reduced to shakeout temperature, stop the compressed air in the cold air circle of compressed air and the riser buss periphery passed in the core iron of riser pad, thus stop the cooling to spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser.
A kind of spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser cool-down method, comprises the following steps:
In the time of the 3min ~ 10min after molten iron is poured, from core iron air inlet, pass into pressure is the liquid nitrogen being not less than 1MPa, makes to keep the liquid nitrogen flowed to reach 6h in the core iron of riser pad, to reduce effective modulus of riser pad, accelerates the cooling of riser pad;
Keep in the core iron of riser pad the liquid nitrogen that flows more than 6h after, in the core iron of riser pad, pass into the compressed air that pressure is not less than 1MPa, temperature is 10 DEG C ~ 15 DEG C, to continue to reduce effective modulus of riser pad, accelerate the cooling of riser pad;
Meanwhile, in the time of the 30min ~ 60min after molten iron is poured, pass into from cooling ring air inlet the compressed air that pressure is not less than 1MPa, temperature is 10 DEG C ~ 15 DEG C, make the compressed air keeping in cooling ring circulating, to accelerate the cooling of riser buss;
After the temperature of foundry goods is reduced to shakeout temperature, stops passing into the compressed air in the core iron of riser pad and the compressed air in riser buss, thus stop the cooling to spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser.
Above-mentioned Heat preservation rising head is directly placed on the maximum thermal center place of foundry goods, method simple and stable, practical, the Feeder Design difficulty of large-scale spheroidal graphite casting can be simplified, and be conducive to the control of procedure quality, decrease the defects such as Shrinkage Porosity, shrinkage cavity and burning into sand.
Accompanying drawing explanation
Fig. 1 is the assembly structure schematic diagram of spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the sectional view of Fig. 2 along A-A face.
Fig. 4 is the structural representation of riser pad.
Fig. 5 is the sectional view of Fig. 4 along B-B face.
Fig. 6 is the structural representation of core iron.
Fig. 7 is the structural representation of the reinforcement of core iron.
Fig. 8 is the sectional view of Fig. 6 along C-C face.
Fig. 9 is the structural representation of cooling ring.
Figure 10 is the sectional view after the back-up sand of spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser.
In figure: spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser 1, riser buss 11, air-vent 111, riser pad 12, riser neck 121, conical surface through hole 122, core iron 13, core iron air inlet 131, core iron gas outlet 132, reinforcement 133, fixing collar 134, cooling ring 14, cooling ring air inlet 141, cooling ring gas outlet 142, girth member 143, foundry goods die cavity 2, sand mold 3.
Detailed description of the invention
Elaborate to the present invention below in conjunction with accompanying drawing, thick large nodular iron casting of the present invention is to be as the criterion with insulating and heating riser of the present invention is supporting, and such as: wall thickness is greater than 50mm, supporting large-scale rising head diameter is greater than 300mm.
See Fig. 1 to Fig. 8, spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser 1 comprises riser buss 11 and riser pad 12, riser buss 11 is the hollow cylinder of one end open, the end face of cylindrical sealed end offers air-vent 111, riser buss 11 adopts heat retaining and exothermal material to make, in the openend of riser buss 11, riser pad 12 is set, the openend close contact of riser pad 12 and riser buss 11, riser pad 12 is greater than the disk of the diameter of the outer wall of riser buss 11 for diameter, riser pad 12 and riser buss 11 are coaxially arranged, through through hole is offered to form riser neck 121 in the center of riser pad 12, the inner space of the riser buss 11 arranged above with riser pad 12 with the foundry goods die cavity 2 riser pad 12 arranged below by riser neck 121, in riser pad 12 inside, core iron 13 is set, core iron 13 be by a square tube in horizontal plane along the circular ring structure that the direction of travel of multiple nested annulus is coiled to form, circular ring structure is arranged with riser pad 12 is concentric, the diameter of the minimum annulus of the circular ring structure of core iron 13 is greater than the diameter of riser neck 121, two terminations of square tube form two openings of circular ring structure, be respectively core iron air inlet 131 and core iron gas outlet 132, core iron air inlet 131 and core iron gas outlet 132 are connected with providing compressed-air actuated external pipe respectively.
Wherein core iron air inlet 131 and core iron gas outlet 132 are drawn respectively with after connection by metal hose; be connected with providing compressed-air actuated external pipe again; during operation; after mould assembling completes; adopt loose sand and asbestos cloth covering metal flexible pipe; note protection in casting process, prevent red-hot molten metal by flexible pipe scaling loss, cause gas leakage.
For heavy section casting ironcasting, design large-scale rising head and feeding is carried out to foundry goods, because molding sand is under the encirclement of high temperature liquid iron, heat can not conduct smoothly, rising head root will be caused to form thermal center, even form maximum thermal center, insulating and heating riser of the present invention is placed on maximum thermal center place, the special core iron of 30mm*30mm*2mm is set at riser pad center, intensity and the quality of riser pad can not only be ensured, and core iron 13 is made up of hollow square tube, compressed air or liquid nitrogen is passed in square tube again after cast, riser neck place can be reduced and effectively contact modulus, riser neck 121 is solidified before eutectic expands, utilize graphite expansion pressure feeding cast-internal shrinkage cavity and porosity, meanwhile, after contact modulus reduces, the defect such as can reduce graphite floatation or graphite is thick,
Wherein, the diameter 200mm that riser pad 12 thickness setting is 100mm, diameter is greater than the outer wall of riser buss 11, the aperture of riser neck 121 is Φ 80mm ~ Φ 100mm, without wedge angle sand, can reduce the burning into sand defect of foundry goods.
Further, at riser neck 121, conical surface through hole 122 is set near one end of foundry goods die cavity, conical surface through hole 122 to be extended along the inclination angle of 45 ° to foundry goods die cavity in the position of distance foundry goods die cavity 15mm by the through hole of riser neck 121 to obtain, and the aperture of conical surface through hole 122 is greater than the aperture of the through hole of riser neck 121.Conical surface through hole 122 is designed to industrial correction amount, prevents from causing foundry goods misrun during remove feeders.
Further, core iron 13 also arranges 20mm*20mm reinforcement, reinforcement is the many square steel arranged along the radial direction of circular ring structure, many square steel uniform weldings are on a surface of the circular ring structure of core iron 12, one end of square steel is welded on the minimum annulus of the circle centre position of circular ring, the other end of square steel extends to the edge of the maximum annulus exceeding circular ring structure to the direction away from the center of circle, the square steel of reinforcement 133 is mutually vertical with the square tube of circular ring structure, reinforcement 133 also comprises fixing collar 134, fixing collar 134 is the steel rings be welded by square steel, at one end reinforcement of weld circle 134 that the many square steel arranged along the radial direction of circular ring structure are assembled mutually, so that many square steel are relatively fixing.
Reinforcement 133 can ensure intensity and the hardness of core iron 13, when reinforcement 133 is vertical with the square tube of circular ring structure, structure is the most stable, consolidation effect is best, fixing collar 134 can ensure the strength and stability of reinforcement 133 further, and convenient during operation, be unlikely to reinforcement 133 and be scattered respectively and come, cause complex operation.
The other end of described square steel extends to the edge exceeding described core iron 13 and riser pad 12 to the direction away from the center of circle, and the end of square steel leaks outside in the outside of riser pad 12.When postorder back-up sand consolidation, riser buss 11 and riser pad 12 and surround between riser buss 11 and the sand mold of riser pad 12 without attaching parts, easily break up the family between three, therefore square steel is stretched in the middle of sand mold, again during back-up sand, by square steel, riser pad 12 is connected with between riser buss 11 and sand mold, avoids breaking up the family.
Further, see Fig. 9, the cooling ring 14 of 30mm*30mm*2mm is also set in the periphery of riser buss 11, cooling ring 14 is by the column structure of a square tube coiling, the diameter of column structure is greater than the diameter 30mm ~ 60mm of riser buss 11, two terminations of square tube are drawn from the same termination of column structure, form two openings of column structure, be respectively cooling ring air inlet 141 and cooling ring gas outlet 142, cooling ring air inlet 141 and cooling ring gas outlet 142 are connected with providing compressed-air actuated external pipe respectively.Wherein cooling ring air inlet 141 and cooling ring gas outlet 142 are drawn respectively with after connection by metal hose; be connected with providing compressed-air actuated external pipe again; during operation; after mould assembling completes; adopt loose sand and asbestos cloth covering metal flexible pipe; note protection in casting process, prevent red-hot molten metal by flexible pipe scaling loss, cause gas leakage.
Arrange girth member 143 in the outside of cooling ring 14, to increase the strength and stability of cooling ring 14, girth member 143 is the many round steel welded along the short transverse of the column structure of cooling ring 14, and many round steel are uniformly distributed along the circumferencial direction of column structure.Wherein, through hole is offered on the top of round steel, to form the hanger placed and take out cooling ring 14.
Because the core iron 13 of cooling ring 14 and riser pad 12 is comparatively near apart from rising head, sand mold is easily defeated and dispersed not easily damaged, reuses after can taking out cleaning, to reduce costs, and all frocks and material simple, be engineering common used material, cost is low, and process is also very safe.
During use, see Figure 10, be placed in riser pad 12 core box by the core iron 13 of riser pad 12, back-up sand completes the moulding of riser pad 12; Afterwards riser pad 12 is placed on casting pressing port location place, i.e. the maximum thermal center place of foundry goods, with metal hose, the core iron air inlet 131 of core iron and 132 two, core iron gas outlet opening is led to top box face, and carry out mark; Then riser buss 11 is placed on riser pad 12, to snare 14 be cooled in the periphery of riser buss 11 again, ensure that cooling ring 14 is even apart from riser buss 11, and spacing is at 30 ~ 60mm, then with metal hose, two of cooling ring 14 openings are led to top box face, and carry out mark; By riser buss 11, riser pad 12, cooling ring 14 back-up sand consolidation, ensure that the position at each position is fixed, complete moulding work, after mould assembling, start casting of molten metal; Determine in the time of 3min-10min after being poured, in the core iron 13 of riser pad 12, pass into pressure be not less than 1MPa, temperature not higher than the effective modulus of compressed air reduction riser pad of 15 DEG C, accelerate cooling; Or after passing into liquid nitrogen 6h, change compressed air into, meanwhile, after being poured in 30min-60min, or after treating that the temperature of foundry goods is reduced to lower 100 DEG C of solidus, in cooling ring 14, pass into compressed air, accelerate rising head cooling, because rising head place is generally the maximum heat energy-saving position of foundry goods, accelerate the cooling of pyrolysis place, the tissue of rising head periphery foundry goods, performance, hardness can be improved, fall the low-pressure cabinet time simultaneously, enhance productivity; Be reduced to after shakeout temperature until casting temperature, stop ventilation.
Claims (10)
1. a spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser, it is characterized in that: comprise riser buss and riser pad, described riser buss is the hollow cylinder of one end open, the end face of described cylindrical sealed end offers air-vent, in the openend of described riser buss, riser pad is set, the openend close contact of described riser pad and riser buss, described riser pad is the disk that diameter is greater than the diameter of the outer wall of riser buss, described riser pad and riser buss are coaxially arranged, through through hole is offered to form riser neck in the center of described riser pad, the inner space of the riser buss arranged above with foundry goods die cavity riser pad arranged below by riser neck and riser pad, in described riser pad inside, core iron is set, described core iron is the circular ring structure be coiled to form in horizontal plane by a square tube, described circular ring structure is arranged with described riser pad is concentric, the diameter of the minimum annulus of the circular ring structure of described core iron is greater than the diameter of described riser neck, two terminations of described square tube form two openings of circular ring structure, be respectively core iron air inlet and core iron gas outlet, described core iron air inlet and core iron gas outlet are connected with providing compressed-air actuated external pipe respectively.
2. spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser as claimed in claim 1, it is characterized in that: described core iron also arranges reinforcement, described reinforcement is the many square steel arranged along the radial direction of circular ring structure, described many square steel uniform weldings are on a surface of the circular ring structure of core iron, one end of described square steel is welded on the minimum annulus of the circle centre position of described circular ring, and the other end of described square steel extends to the edge of the maximum annulus exceeding described circular ring structure to the direction away from the center of circle.
3. spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser as claimed in claim 2, is characterized in that: the square steel of described reinforcement is mutually vertical with the square tube of described circular ring structure.
4. spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser as claimed in claim 2, it is characterized in that: described reinforcement also comprises fixing collar, described fixing collar is the steel ring be welded by square steel, one end reinforcement of weld circle that the many square steel arranged at the described radial direction along circular ring structure are assembled mutually, with relatively fixing by many square steel.
5. spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser as claimed in claim 1, it is characterized in that: at described riser neck, conical surface through hole is set near one end of described foundry goods die cavity, described conical surface through hole to be extended along the inclination angle of 45 ° to foundry goods die cavity in the position apart from described foundry goods die cavity 15mm by the through hole of riser neck to obtain, and the aperture of described conical surface through hole is greater than the aperture of the through hole of riser neck.
6. spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser as claimed in claim 1, it is characterized in that: in the periphery of described riser buss, also cooling ring is set, described cooling ring is by the column structure of a square tube coiling, the diameter of described column structure is greater than the diameter 30mm ~ 60mm of riser buss, two terminations of described square tube are drawn from the same termination of described column structure, form two openings of described column structure, be respectively cooling ring air inlet and cooling ring gas outlet, described cooling ring air inlet and cooling ring gas outlet are connected with providing compressed-air actuated external pipe respectively.
7. spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser as claimed in claim 6, it is characterized in that: in the outside of described cooling ring, girth member is set, described girth member is the many round steel welded along the short transverse of the column structure of described cooling ring, and described many round steel are uniformly distributed along the circumferencial direction of described column structure.
8. spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser as claimed in claim 7, is characterized in that: through hole is offered on the top of described round steel, to form the hanger placed and take out cooling ring.
9. a spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser cool-down method, is characterized in that comprising the following steps:
In the time of the 3min ~ 10min after molten iron is poured, pass into from core iron air inlet pressure for being not less than 1MPa, temperature is the compressed air of 10 DEG C ~ 15 DEG C, make the compressed air keeping in the core iron of riser pad flowing, to reduce effective modulus of riser pad, accelerate the cooling of riser pad;
In the time of the 30min ~ 60min after molten iron is poured, pass into from cooling ring air inlet the compressed air that pressure is not less than 1MPa, temperature is 10 DEG C ~ 15 DEG C, make the compressed air keeping in cooling ring flowing, to accelerate the cooling of riser buss;
After the temperature of foundry goods is reduced to shakeout temperature, stop the compressed air in the cold air circle of compressed air and the riser buss periphery passed in the core iron of riser pad, thus stop the cooling to spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser.
10. a spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser cool-down method, is characterized in that comprising the following steps:
In the time of the 3min ~ 10min after molten iron is poured, from core iron air inlet, pass into pressure is the liquid nitrogen being not less than 1MPa, makes to keep the liquid nitrogen flowed to reach 6h in the core iron of riser pad, to reduce effective modulus of riser pad, accelerates the cooling of riser pad;
Keep in the core iron of riser pad the liquid nitrogen that flows more than 6h after, in the core iron of riser pad, pass into the compressed air that pressure is not less than 1MPa, temperature is 10 DEG C ~ 15 DEG C, to continue to reduce effective modulus of riser pad, accelerate the cooling of riser pad;
Meanwhile, in the time of the 30min ~ 60min after molten iron is poured, pass into from cooling ring air inlet the compressed air that pressure is not less than 1MPa, temperature is 10 DEG C ~ 15 DEG C, make the compressed air keeping in cooling ring circulating, to accelerate the cooling of riser buss;
After the temperature of foundry goods is reduced to shakeout temperature, stops passing into the compressed air in the core iron of riser pad and the compressed air in riser buss, thus stop the cooling to spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser.
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| CN201510525703.0A CN105081224B (en) | 2015-08-25 | 2015-08-25 | Spheroidal graphite cast-iron thick-walled casting feeding insulating and heating riser |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945231A (en) * | 2016-06-02 | 2016-09-21 | 共享装备股份有限公司 | Core drifting-prevention and bending-resistance arbor for volute type casting sand core |
| CN112935191A (en) * | 2021-01-28 | 2021-06-11 | 共享装备股份有限公司 | Air outlet riser |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005144461A (en) * | 2003-11-11 | 2005-06-09 | Komatsu Castex Ltd | Method for cooling cast product |
| CN102039379A (en) * | 2009-10-20 | 2011-05-04 | 中国北车集团大同电力机车有限责任公司 | Towing pin casting model box and towing pin casting process |
| CN103143680A (en) * | 2013-03-04 | 2013-06-12 | 济南圣泉倍进陶瓷过滤器有限公司 | Riser bush and casting device |
| JP2014113636A (en) * | 2012-12-12 | 2014-06-26 | Mitsubishi Heavy Ind Ltd | Casting mold and method for manufacturing the same |
| CN204122695U (en) * | 2014-09-22 | 2015-01-28 | 安徽应流集团霍山铸造有限公司 | A kind of riser buss structure with rising head pad |
-
2015
- 2015-08-25 CN CN201510525703.0A patent/CN105081224B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005144461A (en) * | 2003-11-11 | 2005-06-09 | Komatsu Castex Ltd | Method for cooling cast product |
| CN102039379A (en) * | 2009-10-20 | 2011-05-04 | 中国北车集团大同电力机车有限责任公司 | Towing pin casting model box and towing pin casting process |
| JP2014113636A (en) * | 2012-12-12 | 2014-06-26 | Mitsubishi Heavy Ind Ltd | Casting mold and method for manufacturing the same |
| CN103143680A (en) * | 2013-03-04 | 2013-06-12 | 济南圣泉倍进陶瓷过滤器有限公司 | Riser bush and casting device |
| CN204122695U (en) * | 2014-09-22 | 2015-01-28 | 安徽应流集团霍山铸造有限公司 | A kind of riser buss structure with rising head pad |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945231A (en) * | 2016-06-02 | 2016-09-21 | 共享装备股份有限公司 | Core drifting-prevention and bending-resistance arbor for volute type casting sand core |
| CN112935191A (en) * | 2021-01-28 | 2021-06-11 | 共享装备股份有限公司 | Air outlet riser |
| CN112935191B (en) * | 2021-01-28 | 2023-03-03 | 共享装备股份有限公司 | Air outlet riser |
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| Publication number | Publication date |
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| CN105081224B (en) | 2017-04-05 |
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