CN103769535A - Sand core mold, manufacturing method of sand core, and sand core - Google Patents
Sand core mold, manufacturing method of sand core, and sand core Download PDFInfo
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- CN103769535A CN103769535A CN201410028458.8A CN201410028458A CN103769535A CN 103769535 A CN103769535 A CN 103769535A CN 201410028458 A CN201410028458 A CN 201410028458A CN 103769535 A CN103769535 A CN 103769535A
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Abstract
The invention provides a sand core mold, a manufacturing method of a sand core and the sand core. The sand core mold comprises a fixed mold and a movable mold, wherein the movable mold and the fixed mold after being assembled form a cavity; the cavity comprises a plurality of spoke cavities, a locating ring cavity, a plurality of assisting cavities, a boss cavity and a sprue cavity; one end of each of the plurality of spoke cavities is communicated with the locating ring cavity, the other end is communicated with the sprue cavity via the boss cavity; the plurality of spoke cavities are distributed evenly between the locating ring cavity and the sprue cavity; each assisting cavity is arranged between two adjacent spoke cavities, and the plurality of assisting cavities are communicated with the locating ring cavity and the sprue cavity, respectively. Due to the adoption of the assisting cavities arranged in the sand core mold provided by the invention, the number of the channels between the sprue cavity and the locating ring cavity is increased, in this way, the molding cavity can be filled with pre-coated sands within short time, and meanwhile, complete mold filling by pre-coated sands in the locating ring cavity is realized, consequently, the percent of pass of products is improved; when de-molding the sand core, the assisting cavities form assisting spokes, so as to increase the strength of the whole sand core, therefore, the probability of breaking of the sand core in a de-molding process is reduced.
Description
Technical field
The present invention relates to mould applications, in particular to a kind of core mold, use this mould to manufacture method and the core of core.
Background technology
Along with energy-saving and cost-reducing require constantly surging of modern automotive, safety and environmental regulation are increasingly strict, and the light-weighted requirement of motor vehicle is more urgent.As making the light-weighted product of motor vehicle, the lightweight of aluminum-alloy wheel, high strength are along with the deep development of motor vehicle industry has become the core of wheel industry competition, light-weighted ultimate technology is all constantly being found by each wheel hub manufacturer, make new product can be in market competition position oneself at the forefront.
At present, many wheel hubs manufacturer adds core in casting hub process, make the wheel hub casting out there is hollow structure, but because the diameter of automotive hub is larger, in the process of manufacturing core, easily occur that precoated sand fills the inadequate problem of type, and spoke is not only thin but also long, easily fracture in knockout course.
Therefore, developing and aly can evade the to sum up core mold of defect simultaneously, is technical problem urgently to be resolved hurrily.
Summary of the invention
In order one of to solve the problems of the technologies described above at least, one object of the present invention is to provide a kind of core mold, this core mold reasonable in design, has effectively solved precoated sand and has filled the inadequate problem of type, and has solved the core problem that easily appearance is ruptured in knockout course.
Another object of the present invention is to provide a kind of method that adopts above-mentioned core mold to manufacture core.
A further object of the present invention is to provide a kind of core that adopts the manufacture method of above-mentioned core to make.
In view of this, first aspect embodiment of the present invention provides a kind of core mold, comprising: cover half, is provided with bottoming hole on described cover half, and dynamic model, described dynamic model and described cover half close up rear formation die cavity, wherein, described die cavity comprises: multiple raias of taking turns, centring ring chamber, multiple compensated cavities, He Jiao oral cavity, boss chamber, multiple described one end of taking turns raia are all connected with described centring ring chamber, the described other end of taking turns raia is provided with the first branch chamber and the second branch chamber, adjacent described described the first branch chamber and described the second branch chamber of taking turns raia is connected, and the first branch chamber and described second branch's chamber connectivity part are provided with described boss chamber, described boss chamber with described in water oral cavity and be communicated with, multiple described take turns raia be distributed on described centring ring chamber and described in water between oral cavity, described compensated cavity is adjacent described wheel between raia, and respectively with described centring ring chamber and described in water oral cavity and be connected.
Core mold provided by the invention has multiple compensated cavities, arranging of compensated cavity increases the quantity of watering passage between oral cavity and centring ring chamber, make precoated sand can be full of in the short period of time die cavity, thereby improve production efficiency, simultaneously, make precoated sand in centring ring chamber fill type more abundant, thereby improved the qualification rate of product; In the time of the core demoulding, compensated cavity forms multiple auxiliary spokes, has increased the intensity of core entirety, thereby reduced core, the probability rupturing occurs in knockout course.
In addition, the described core mold in the above embodiment of the present invention can also have following additional technical feature:
According to an embodiment provided by the invention, described die cavity also comprises multiple positioning boss chamber, and multiple described positioning boss chamber is circumferentially uniform along the outline in described centring ring chamber.
According to an embodiment provided by the invention, described cover half comprises cover half body and cover half pressing plate, on described cover half pressing plate, be provided with the first half holes, on described cover half body, be provided with corresponding with described the first half holes the second half holes, described the first half holes and described the second half holes form described bottoming hole.
According to an embodiment provided by the invention, the first push rod demolding structure is set on described cover half, described the first push rod demolding structure is for separating the core of having cast with described cover half.
According to an embodiment provided by the invention, the second push rod demolding structure is set on described dynamic model, described the second push rod demolding structure is for separating the core of having cast with described dynamic model.
According to an embodiment provided by the invention, on described cover half, be provided with steam vent, and be provided with screen pack between described steam vent and described die cavity.
According to an embodiment provided by the invention, on described dynamic model, be provided with spreader, and described spreader waters oral cavity described in being positioned at.
A second aspect of the present invention embodiment provides a kind of manufacture method of core, adopts the core mold described in any one in above-described embodiment to manufacture described core, and this manufacture method comprises:
Step 104, the precoated sand in described die cavity solidify to form core base under heating condition;
Step 105, described core base is opened core mold after solidifying well, start the first mould emptier described dynamic model is separated with described cover half with core base, and then startup the second mould emptier separates core base with described dynamic model;
Step 106, is cooled to room temperature by core base;
Step 107, by the auxiliary spoke of multiple compensated cavity moulding with water oral cavity, makes described core on excision core base.
A third aspect of the present invention embodiment provides a kind of core, adopts the manufacture method manufacture of the core described in above-described embodiment to form, and described core comprises: centring ring; Multiple spokes, described in each, one end of spoke is all fixedly connected with described centring ring, described in each, the other end place of spoke is provided with breach, the other end of described spoke is divided into the first branch and the second branch by described breach, described the first branch and described second branch of adjacent described spoke interconnect, and the junction of described the first branch and described the second branch is provided with boss.
According to an embodiment provided by the invention, described core also comprises multiple positioning boss, and multiple described positioning boss are circumferentially uniform along the outline of described centring ring.
Additional aspect of the present invention and advantage will become in description part below obviously, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is the sectional structure schematic diagram of core mold one embodiment of the present invention;
Fig. 2 is the structural representation of dynamic model in Fig. 1;
Fig. 3 is the structural representation of cover half in Fig. 1;
Fig. 4 is the schematic flow sheet of core manufacture method one embodiment of the present invention;
Fig. 5 be core one embodiment of the present invention perspective view;
Fig. 6 is the main TV structure schematic diagram of core shown in Fig. 5.
Wherein, in Fig. 1 to Fig. 6, the corresponding relation between Reference numeral and component names is:
1 cover half, 101 cover half bodies, 102 cover half pressing plates, 103 bottoming holes, 2 dynamic models, 3 take turns raia, 301 first branch chambeies, 302 second branch chambeies, 4 centring ring chambeies, 5 compensated cavities, 6 water oral cavity, 7 boss chambeies, 8 positioning boss chambeies, 9 first demoulding push rods, 10 first release links, 11 second demoulding push rods, 12 second release links, 13 steam vents, 14 spreaders, 15 cores, 1501 centring rings, 1502 spokes, 1,503 first branches, 1504 second branches, 1505 boss, 1506 positioning boss, 1507 breach.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
Below with reference to Fig. 1 to Fig. 3, described according to some embodiments of the invention core mold is described.
As shown in Figure 1 to Figure 3, core mold comprises: cover half 1 and dynamic model 2; On cover half 1, be provided with bottoming hole 103, dynamic model 2 closes up rear formation die cavity with cover half 1.
In a specific embodiment of the present invention, die cavity comprises: multiple raias 3 of taking turns, centring ring chamber 4, multiple compensated cavities 5, boss chamber 7 and water oral cavity 6, multiple one end of taking turns raia 3 are all connected with centring ring chamber 4, the other end of wheel raia 3 is provided with the first branch chamber 301 and the second branch chamber 302, the first branch chamber 301 and the second branch chamber 302 of adjacent wheels raia 3 are connected, and the first branch chamber 301 and the second branch chamber 302 connectivity parts are provided with boss chamber 7, boss chamber 7 with water oral cavity 6 and be communicated with, multiple raias 3 of taking turns are distributed on centring ring chamber 4 and water between oral cavity 6, compensated cavity 5 is between adjacent wheels raia 3, and respectively with centring ring chamber 4 with water oral cavity 6 and be connected.
Core mold provided by the invention has multiple compensated cavities 5, arranging of compensated cavity 5 increased the quantity of watering passage between oral cavity 6 and centring ring chamber 4, make precoated sand can be full of in the short period of time die cavity, thereby improve production efficiency, simultaneously, make precoated sand in centring ring chamber 4 fill type more abundant, thereby improved the qualification rate of product; In the time of core 15 demoulding, compensated cavity 5 forms multiple auxiliary spokes, has increased the intensity of core 15 entirety, thereby reduced core 15, the probability rupturing occurs in knockout course.
In one embodiment of the invention, as shown in Figure 3, die cavity also comprises multiple positioning boss chamber 8, and multiple positioning boss chamber 8 outlines along centring ring chamber 4 are circumferentially uniform.The setting in positioning boss chamber 8 can make the core 15 of having cast have positioning boss 1506, in the time of casting hub, core 15 is fixed by positioning boss 1506 and casting hub mold, avoid core 15 that skew occurs in casting process and caused the situation of wheel hub casting flaw to occur, thereby improved the qualification rate of product.
In one embodiment of the invention, as shown in Figure 1, cover half 1 comprises cover half body 101 and cover half pressing plate 102, is provided with the first half holes on cover half pressing plate 102, on cover half body 101, be provided with corresponding with the first half holes the second half holes, the first half holes and the second half holes form bottoming hole 103.Bottoming hole 103 is made up of two and half holes, and such arranging reduced the difficulty of processing of bottoming hole 103, thereby improved operating efficiency.
In one embodiment of the invention, as shown in Figure 1, the first push rod demolding structure is set on cover half 1, the first push rod demolding structure is for separating the core of having cast 15 with cover half 1; Particularly, the first push rod demolding structure comprises that the first demoulding push rod 9 and the first release link 10, the first demoulding push rods 9 can separate the core of having cast 15 with cover half 1, and the first release link 10 can make cover half 1 reset.
In one embodiment of the invention, as shown in Figure 1, the second push rod demolding structure is set on dynamic model 2, the second push rod demolding structure is for separating the core of having cast 15 with dynamic model 2; Particularly, the second push rod demolding structure comprises that the second demoulding push rod 11 and the second release link 12, the second demoulding push rods 11 can separate the core of having cast 15 with dynamic model 2, and the second release link 12 can make dynamic model 2 reset.
Adopt above-described embodiment, make die sinking more laborsaving, automaticity is high, and performance accuracy is high, reduces labor strength, guarantees workman's construction safety.
In one embodiment of the invention, as shown in Figure 1, on cover half 1, be provided with steam vent 13, and be provided with screen pack between steam vent 13 and die cavity.Be filled with precoated sand in mould time, the setting of steam vent 13 can make the gas in die cavity discharge fast mould, thereby makes precoated sand be full of in the short period of time die cavity.
In one embodiment of the invention, as shown in Figure 1, spreader 14 is set on dynamic model 2, and spreader 14 is positioned at and waters oral cavity 6.Spreader 14 can be shunted precoated sand, thereby makes precoated sand can flow to uniformly each cavity.
Describe according to the manufacture method of the core described in one embodiment of the invention below with reference to Fig. 4.
As shown in Figure 4, the manufacture method of the core that embodiments of the invention provide, adopts the core mold described in any one in above-described embodiment to manufacture described core 15, and this manufacture method comprises:
Step 104, the precoated sand in die cavity solidify to form core base under heating condition;
Step 105, core base is opened core mold after solidifying well, start the first mould emptier dynamic model 2 is separated with cover half 1 with core base, and then startup the second mould emptier separates core base with dynamic model 2;
Step 106, is cooled to room temperature by core base;
Step 107, by the auxiliary spoke of multiple compensated cavity 5 moulding with water oral cavity 6, makes core 15 on excision core base.
Below with reference to describing described according to some embodiments of the invention core 15 shown in Fig. 5 and Fig. 6.
As shown in Figure 5 and Figure 6, the core 15 that the embodiment of the present invention provides, adopt the manufacture method manufacture of the core of above-described embodiment to form, core 15 comprises: centring ring 1501 and multiple spoke 1502, one end of each spoke 1502 is all fixedly connected with centring ring 1501, the other end place of each spoke 1502 is provided with breach 1507, the other end of spoke 1502 is divided into the first branch 1503 and the second branch 1504 by breach 1507, the first branch 1503 and second branch 1504 of adjacent spokes 1502 interconnect, and the junction of the first branch 1503 and the second branch 1504 is provided with boss 1505.
According to an embodiment provided by the invention, core 15 also comprises multiple positioning boss 1506, and multiple positioning boss 1506 are circumferentially uniform along the outline of centring ring 1501.
The casting process of hollow wheel hub is described according to core 15 provided by the invention below:
Casting hub mold (not shown) comprises patrix, limit mould and counterdie, the positioning boss of core 15 1506 is coordinated with the confined planes of the counterdie of casting hub mold, the lower surface of the centring ring 1501 of core 15 is arranged on the location outer shroud platform of casting hub mold counterdie, the upper surface of the centring ring 1501 of core 15 closes up and coordinates with the limit mould of casting hub mold, centring ring 1501, spoke 1502 and boss 1505 are maked somebody a mere figurehead in the cavity forming at the upper die and lower die of casting hub mold, after casting hub mold matched moulds casting, centring ring 1501 internal faces of core 15 are all wrapped in hub cast with interior part, centring ring 1501 is looped around on hub cast outer wall, after removing centring ring 1501 after foundry goods cooling and demolding, expose at the spoke 1502 of hub cast and the sand export of wheel rim junction, remove the core 15 of hub cast inside through operations such as quenchings, obtain the wheel hub of hollow, wherein, the first branch 1503, the cavity of the second branch 1504 and boss 1505 corresponding mounting discs, the cavity of the corresponding wheel hub spoke of spoke 1502 of core 15, the reinforcement of corresponding wheel hub spoke 1502 cavities of breach 1507 between the first branch 1503 and second branch 1504 of core 15, to strengthen the mechanical strength of wheel hub wheel spoke, the sand export of the corresponding core 15 in joint portion of centring ring 1501 and spoke 1502.
In the present invention, the only object for describing of term " first ", " second ", and can not be interpreted as indication or hint relative importance; Term " multiple " refers to two or more, unless separately there is clear and definite restriction.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the description of this description, the description of term " embodiment ", " some embodiment ", " specific embodiment " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a core mold, for the manufacture of the core that can cast hollow wheel hub, is characterized in that, comprising:
Cover half, is provided with bottoming hole on described cover half; With
Dynamic model, described dynamic model and described cover half close up rear formation die cavity;
Wherein, described die cavity comprises: multiple raias of taking turns, centring ring chamber, multiple compensated cavities, He Jiao oral cavity, boss chamber, multiple described one end of taking turns raia are all connected with described centring ring chamber, the described other end of taking turns raia is provided with the first branch chamber and the second branch chamber, adjacent described described the first branch chamber and described the second branch chamber of taking turns raia is connected, and the first branch chamber and described second branch's chamber connectivity part are provided with described boss chamber, described boss chamber with described in water oral cavity and be communicated with, multiple described take turns raia be distributed on described centring ring chamber and described in water between oral cavity, described compensated cavity is adjacent described wheel between raia, and respectively with described centring ring chamber and described in water oral cavity and be connected.
2. core mold according to claim 1, is characterized in that, described die cavity also comprises multiple positioning boss chamber, and multiple described positioning boss chamber is circumferentially uniform along the outline in described centring ring chamber.
3. core mold according to claim 2, it is characterized in that, described cover half comprises cover half body and cover half pressing plate, on described cover half pressing plate, be provided with the first half holes, on described cover half body, be provided with corresponding with described the first half holes the second half holes, described the first half holes and described the second half holes form described bottoming hole.
4. core mold according to claim 3, is characterized in that, the first push rod demolding structure is set on described cover half, and described the first push rod demolding structure is for separating the core of having cast with described cover half.
5. core mold according to claim 4, is characterized in that, the second push rod demolding structure is set on described dynamic model, and described the second push rod demolding structure is for separating the core of having cast with described dynamic model.
6. according to the core mold described in any one in claim 1 to 5, it is characterized in that, on described cover half, be provided with steam vent, and be provided with screen pack between described steam vent and described die cavity.
7. core mold according to claim 6, is characterized in that, on described dynamic model, is provided with spreader, and described spreader waters oral cavity described in being positioned at.
8. a manufacture method for core, described core for cast hollow wheel hub, is characterized in that, adopt core mold as described in any one in claim 1 to 7 manufacture as described in core, this manufacture method comprises:
Step 101, closes up cover half and dynamic model to form the described core mold with die cavity;
Step 102, starts heater, and described core mold is heated;
Step 103 is injected precoated sand in the described die cavity of the described core mold heating, until be full of precoated sand in described die cavity;
Step 104, the precoated sand in described die cavity solidify to form core base under heating condition;
Step 105, described core base is opened core mold after solidifying well, start the first mould emptier described dynamic model is separated with described cover half with core base, and then startup the second mould emptier separates core base with described dynamic model;
Step 106, is cooled to room temperature by core base;
Step 107, by the auxiliary spoke of multiple compensated cavity moulding with water oral cavity, makes described core on excision core base.
9. a core, for cast hollow wheel hub, is characterized in that, adopts the manufacture method manufacture of core as claimed in claim 8 to form, and described core comprises:
Centring ring;
Multiple spokes, described in each, one end of spoke is all fixedly connected with described centring ring, described in each, the other end place of spoke is provided with breach, the other end of described spoke is divided into the first branch and the second branch by described breach, described the first branch and described second branch of adjacent described spoke interconnect, and the junction of described the first branch and described the second branch is provided with boss.
10. core according to claim 9, is characterized in that, also comprises multiple positioning boss, and multiple described positioning boss are circumferentially uniform along the outline of described centring ring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410028458.8A CN103769535B (en) | 2014-01-21 | 2014-01-21 | The manufacture method of core mold, core and core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410028458.8A CN103769535B (en) | 2014-01-21 | 2014-01-21 | The manufacture method of core mold, core and core |
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| CN103769535A true CN103769535A (en) | 2014-05-07 |
| CN103769535B CN103769535B (en) | 2015-11-04 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107548326A (en) * | 2015-04-21 | 2018-01-05 | 尼玛克股份有限公司 | For producing the core box of casting core |
| CN108907084A (en) * | 2018-09-07 | 2018-11-30 | 无锡蠡湖增压技术股份有限公司 | A kind of core mold with material returned function |
| CN110280714A (en) * | 2019-08-05 | 2019-09-27 | 莱州新安达汽车零部件有限公司 | A kind of the film covered sand core mold and operating method of the more detour Aluminum Alloy Tubes of abnormal shape |
| CN110773702A (en) * | 2019-11-04 | 2020-02-11 | 金华浩翔汽配有限公司 | Casting die for brake disc blank precoated sand core box and grinding wheel manufacturing process |
| CN111390108A (en) * | 2020-04-22 | 2020-07-10 | 芜湖市金贸流体科技股份有限公司 | Flange rapid forming efficient flange mold structure and casting method |
| CN111873702A (en) * | 2020-08-24 | 2020-11-03 | 台州华锐电动科技股份有限公司 | Connecting piece of rim and spoke, hub and connecting method of rim and spoke |
| CN114235661A (en) * | 2021-12-08 | 2022-03-25 | 潍柴动力股份有限公司 | Visual test system and test method for gas generation and exhaust performance of sand core |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3302919A (en) * | 1965-11-12 | 1967-02-07 | Abex Corp | Apparatus for casting metal wheels |
| JPH06170492A (en) * | 1992-12-07 | 1994-06-21 | Mazda Motor Corp | Method for molding sand core |
| CN101380665A (en) * | 2007-09-03 | 2009-03-11 | 中国国际海运集装箱(集团)股份有限公司 | Wheel hub casting method and die thereof |
| CN103042193A (en) * | 2012-12-21 | 2013-04-17 | 浙江今飞凯达轮毂股份有限公司 | Hub sand core and low-pressure casting hub die |
| CN202934079U (en) * | 2012-11-05 | 2013-05-15 | 信阳同合车轮有限公司 | Sand core box for casting of train wheels |
| CN203751237U (en) * | 2014-01-21 | 2014-08-06 | 浙江今飞凯达轮毂股份有限公司 | Sand core mold and sand core |
-
2014
- 2014-01-21 CN CN201410028458.8A patent/CN103769535B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3302919A (en) * | 1965-11-12 | 1967-02-07 | Abex Corp | Apparatus for casting metal wheels |
| JPH06170492A (en) * | 1992-12-07 | 1994-06-21 | Mazda Motor Corp | Method for molding sand core |
| CN101380665A (en) * | 2007-09-03 | 2009-03-11 | 中国国际海运集装箱(集团)股份有限公司 | Wheel hub casting method and die thereof |
| CN202934079U (en) * | 2012-11-05 | 2013-05-15 | 信阳同合车轮有限公司 | Sand core box for casting of train wheels |
| CN103042193A (en) * | 2012-12-21 | 2013-04-17 | 浙江今飞凯达轮毂股份有限公司 | Hub sand core and low-pressure casting hub die |
| CN203751237U (en) * | 2014-01-21 | 2014-08-06 | 浙江今飞凯达轮毂股份有限公司 | Sand core mold and sand core |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107548326A (en) * | 2015-04-21 | 2018-01-05 | 尼玛克股份有限公司 | For producing the core box of casting core |
| US10710149B2 (en) | 2015-04-21 | 2020-07-14 | Nemak, S.A.B. De C.V. | Core box for manufacturing casting cores |
| CN108907084A (en) * | 2018-09-07 | 2018-11-30 | 无锡蠡湖增压技术股份有限公司 | A kind of core mold with material returned function |
| CN108907084B (en) * | 2018-09-07 | 2024-01-26 | 无锡蠡湖增压技术股份有限公司 | Sand core mould with material returning function |
| CN110280714A (en) * | 2019-08-05 | 2019-09-27 | 莱州新安达汽车零部件有限公司 | A kind of the film covered sand core mold and operating method of the more detour Aluminum Alloy Tubes of abnormal shape |
| CN110773702A (en) * | 2019-11-04 | 2020-02-11 | 金华浩翔汽配有限公司 | Casting die for brake disc blank precoated sand core box and grinding wheel manufacturing process |
| CN111390108A (en) * | 2020-04-22 | 2020-07-10 | 芜湖市金贸流体科技股份有限公司 | Flange rapid forming efficient flange mold structure and casting method |
| CN111873702A (en) * | 2020-08-24 | 2020-11-03 | 台州华锐电动科技股份有限公司 | Connecting piece of rim and spoke, hub and connecting method of rim and spoke |
| CN114235661A (en) * | 2021-12-08 | 2022-03-25 | 潍柴动力股份有限公司 | Visual test system and test method for gas generation and exhaust performance of sand core |
| CN114235661B (en) * | 2021-12-08 | 2024-05-17 | 潍柴动力股份有限公司 | Visual testing system and method for gas emission and exhaust performance of sand core |
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| CN103769535B (en) | 2015-11-04 |
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