CN104070137A - FMC (full mould casting) modeling method - Google Patents
FMC (full mould casting) modeling method Download PDFInfo
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- CN104070137A CN104070137A CN201410275017.8A CN201410275017A CN104070137A CN 104070137 A CN104070137 A CN 104070137A CN 201410275017 A CN201410275017 A CN 201410275017A CN 104070137 A CN104070137 A CN 104070137A
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Abstract
The invention relates to a casting modeling method and particularly relates to an FMC (full mould casting) modeling method. The method is characterized by comprising the steps of carrying out scheme design, splitting an evanescent mode, carrying out a partitioning process, carrying out flow coating on a blank of the evanescent mode, drying and modeling the evanescent mode, carrying out smelting and pouring and carrying out punctual mold dismantling. The casting modeling method has the beneficial effects that the process is unique, the technical problem that the manual sand filling cannot be realized due to various factors is completely solved, the technical problem that the manual sand filling cannot be realized due to the structural characteristics of an evanescent mode casting is solved, the quality of the casting is obviously improved, and the phenomena of core floating, skin penetration, sand adhesion and iron coating of the casting are avoided.
Description
Technical field
The present invention relates to a kind of casting and molding method, especially relate to a kind of FMC casting and molding method.
Background technology
Not connected between the two-layer and sandwich construction of the core cavities such as slide class, base class, every layer of cellular construction cavity, end face opening diameter is too little is that diameter is less than 100mm, FMC founding method adopts conventional method moulding to produce at present, cannot produce, the following technological difficulties of main appearance: 1) core cavity complex structure, the layering of main body inner-cavity structure is more, complex structure; 2) between core cavity unit cavity, be not connected mutually, foundry goods skin depth is thinner, the about 12mm of skin depth left and right, and moulding arbor is bad to be put, and sand is floating easily; 3) perforate of foundry goods end face is less, and end face opening diameter is less is that diameter is less than 100mm, cannot put in place by consolidation by hand.
Also do not overcome so far the method for above-mentioned defect.
Summary of the invention
The object of the invention is to overcome the defect of prior art, a kind of technique uniqueness is provided, has not only evaded for various reasons technical difficulty that cannot manual back-up sand completely but also solved because evaporative pattern casting structure feature cannot be carried out manual filling moulding technical difficulty casting quality is obviously improved, without core floatation skin thoroughly, a kind of FMC casting and molding method of occurring of scab iron bag foundry goods.
The present invention realizes in the following way:
A. conceptual design: adopt evaporative pattern entirety point modular form and adopt the local block form of evaporative pattern to carry out FMC Foundry Production;
B. evaporative pattern parting, blocking process: described employing evaporative pattern entirety point modular form is carried out FMC Foundry Production, first according to this body structure of evaporative pattern, all sites not in place manual consolidation is found out, make the die joint that is beneficial to manual consolidation at these positions, these die joints are coupled together to the die joint of form evaporative pattern entirety simultaneously, and on all die joints of correspondence bonding adhesive waterproof tape; The local block form of described employing evaporative pattern carries out FMC Foundry Production, and all sites not in place manual consolidation is found out, and carries out one by one piecemeal, and the bonding adhesive waterproof tape of all faying faces aligns;
C. the white mould flow coat of evaporative pattern process: described employing evaporative pattern entirety point modular form is carried out FMC Foundry Production, has first divided mould to 3D model, secondly adopts adhesive waterproof tape bonding to the die joint entirety of evaporative pattern, last overall flow coat, oven dry; The local block form of described employing evaporative pattern carries out FMC Foundry Production, first the white mould entirety of evaporative pattern is carried out to flow coat, dries;
D. dry evaporative pattern and carry out moulding;
E. smelting and pouring and punctual shake out: smelting and pouring is compared with the production method of common alloy cast iron, its pouring temperature than traditional handicraft high 20 DEG C ~ 50 DEG C, after shake out, sand removal turns order.
A described employing evaporative pattern entirety point modular form is according to its product special construction, all on 3D, make being difficult to hand moulding filling position, by 3D software, an overall die joint is designed in the whole back-up sand position that is difficult to, whole evaporative pattern is divided into two, so just can accomplishes the work of good back-up sand consolidation; It is according to product special construction that the local block form of described employing evaporative pattern carries out FMC Foundry Production, and the bulk of carrying out " destructiveness " to being difficult to hand moulding part is cut apart, and can guarantee that so manual consolidation has sufficient room to carry out;
The product that described employing evaporative pattern entirety point modular form is produced, first remove die joint adhesive waterproof tape, divide good upper and lower model, first adopt the moulding of manual back-up sand form to descend well apperance, need to place the position that is placed directly into of arbor, secondly whole filling sand face requires consistent with die joint, finally waits for that the adhesive waterproof tape that removes lower die joint after resin sand hardens " fits together perfectly an other half model " and is in place rear filling moulding again; The product that adopts evaporative pattern block form to produce, first evaporative pattern being difficult to carry out manual back-up sand position splits, formation can be carried out " hole " of manual back-up sand, every is carried out to mark and divisional plane is posted to adhesive tape, start manual back-up sand, place arbor etc., require in back-up sand consolidation process, integral cavity before populated cutting apart completely, secondly wait for the adhesive tape of dismantling after the sclerosis of resin sand entirety, finally the block of carrying out mark is in place one by one, top surface segmentation face uses moulding behind the good gap of adhesive tape bonding.
The present invention has following effect:
1) technique uniqueness, first solved core cavity sandwich construction, complexity is high, superstructure perforate is too little, manual back-up sand cannot be carried out, sand cannot be filled the technological difficulties that put in place, next has solved the numerous positions of core cavity complex structure need to place arbor, but conventional FMC formative method cannot be placed maybe and can not be in place, cause inner chamber sand insufficient strength, be easy to float rubber thin, the technological difficulties that skin is saturating: method provided by the invention adopts FMC method to carry out lost foam casting production, obtain good filling capacity in order to ensure baroque evaporative pattern entirety, first determine the good casting process scheme of evaporative pattern product, in founding method when to lost foam modeling placement direction, emphasis is considered to be conducive to manual back-up sand, reach smooth moulding and fill the consolidation effect that puts in place.Next determines after moulded scheme, can not consolidation position to evaporative pattern emphasis, and consider evaporative pattern entirety to cut apart rear back-up sand, then revert to entirety, reach so manual and effectively fill.We lay particular emphasis on the latter, and object is to find suitable scheme to reach effectively back-up sand consolidation of evaporative pattern entirety.
2) evaded completely for various reasons cannot manual back-up sand technical difficulty: the present invention adopts mould-dividing mode filling moulding, before evaporative pattern flow coat, select manual cannot back-up sand all, select these faces as evaporative pattern die joint, make whole evaporative pattern foundry goods reach segmentation effect, can separate back-up sand effect to disappearance die casting like this, evaded completely for various reasons cannot manual back-up sand technical difficulty.
3) solved because evaporative pattern casting structure feature cannot be carried out manual filling moulding technical difficulty: the present invention adopts partitioned mode filling moulding, in modeling process, select by hand and cannot back-up sand arrive all sites, adopt piecemeal partition principle, cannot from entirety, split at manual back-up sand position all, make like this each position of whole evaporative pattern all reach the effect of manual back-up sand smoothly, solved because evaporative pattern casting structure feature cannot be carried out manual filling moulding technical difficulty.
4) casting quality of producing is obviously improved, and, scab iron bag foundry goods saturating without core floatation skin occurs: adopt new parting/partitioned mode by the present invention, the casting quality of production is obviously improved, and, scab iron bag foundry goods saturating without core floatation skin occurs.
Detailed description of the invention
A kind of FMC casting and molding method, the method comprises the steps:
A. conceptual design: adopt evaporative pattern entirety point modular form and adopt the local block form of evaporative pattern to carry out FMC Foundry Production; A described employing evaporative pattern entirety point modular form is according to its product special construction, all on 3D, make being difficult to hand moulding filling position, by 3D software, an overall die joint is designed in the whole back-up sand position that is difficult to, whole evaporative pattern is divided into two, so just can accomplishes the work of good back-up sand consolidation; It is according to product special construction that the local block form of described employing evaporative pattern carries out FMC Foundry Production, and the bulk of carrying out " destructiveness " to being difficult to hand moulding part is cut apart, and can guarantee that so manual consolidation has sufficient room to carry out.
B. the white mould flow coat of evaporative pattern process: described employing evaporative pattern entirety point modular form is carried out FMC Foundry Production, has first divided mould to 3D model, secondly adopts adhesive waterproof tape bonding to the die joint entirety of evaporative pattern, last overall flow coat, oven dry; The local block form of described employing evaporative pattern carries out FMC Foundry Production, first the white mould entirety of evaporative pattern is carried out to flow coat, dries;
C. dry evaporative pattern and carry out moulding; The product that described employing evaporative pattern entirety point modular form is produced, first remove die joint adhesive waterproof tape, divide good upper and lower model, first adopt the moulding of manual back-up sand form to descend well apperance, need to place the position that is placed directly into of arbor, secondly whole filling sand face requires consistent with die joint, finally waits for that the adhesive waterproof tape that removes lower die joint after resin sand hardens " fits together perfectly an other half model " and is in place rear filling moulding again; The product that adopts evaporative pattern block form to produce, first evaporative pattern being difficult to carry out manual back-up sand position splits, formation can be carried out " hole " of manual back-up sand, every is carried out to mark and divisional plane is posted to adhesive tape, start manual back-up sand, place arbor etc., require in back-up sand consolidation process, integral cavity before populated cutting apart completely, secondly wait for the adhesive tape of dismantling after the sclerosis of resin sand entirety, finally the block of carrying out mark is in place one by one, top surface segmentation face uses moulding behind the good gap of adhesive tape bonding;
D. smelting and pouring and punctual shake out: smelting and pouring is compared with the production method of common alloy cast iron, its pouring temperature than traditional handicraft high 20 DEG C ~ 50 DEG C, traditional pouring temperature is: 1380 DEG C ± 10 DEG C, after shake out, sand removal turns order.
Claims (3)
1. a FMC casting and molding method, is characterized in that: the method comprises the steps:
A. conceptual design: adopt evaporative pattern entirety point modular form and adopt the local block form of evaporative pattern to carry out FMC Foundry Production;
B. evaporative pattern parting, blocking process: described employing evaporative pattern entirety point modular form is carried out FMC Foundry Production, first according to this body structure of evaporative pattern, all sites not in place manual consolidation is found out, make the die joint that is beneficial to manual consolidation at these positions, these die joints are coupled together to the die joint of form evaporative pattern entirety simultaneously, and on all die joints of correspondence bonding adhesive waterproof tape; The local block form of described employing evaporative pattern carries out FMC Foundry Production, and all sites not in place manual consolidation is found out, and carries out one by one piecemeal, and the bonding adhesive waterproof tape of all faying faces aligns.
C. the white mould flow coat of evaporative pattern process: described employing evaporative pattern entirety point modular form is carried out FMC Foundry Production, has first divided mould to 3D model, secondly adopts adhesive waterproof tape bonding to the die joint entirety of evaporative pattern, last overall flow coat, oven dry; The local block form of described employing evaporative pattern carries out FMC Foundry Production, first the white mould entirety of evaporative pattern is carried out to flow coat, dries;
D. dry evaporative pattern and carry out moulding;
E. smelting and pouring and punctual shake out: smelting and pouring is compared with the production method of common alloy cast iron, its pouring temperature than traditional handicraft high 20 DEG C ~ 50 DEG C, after shake out, sand removal turns order.
2. a kind of FMC casting and molding method as claimed in claim 1, it is characterized in that: a described employing evaporative pattern entirety point modular form is according to its product special construction, all on 3D, make being difficult to hand moulding filling position, by 3D software, an overall die joint is designed in the whole back-up sand position that is difficult to, whole evaporative pattern is divided into two, so just can accomplishes the work of good back-up sand consolidation; It is according to product special construction that the local block form of described employing evaporative pattern carries out FMC Foundry Production, and the bulk of carrying out " destructiveness " to being difficult to hand moulding part is cut apart, and can guarantee that so manual consolidation has sufficient room to carry out.
3. a kind of FMC casting and molding method as claimed in claim 1, it is characterized in that: the product that described employing evaporative pattern entirety point modular form is produced, first remove die joint adhesive waterproof tape, divide good upper and lower model, first adopt the moulding of manual back-up sand form to descend well apperance, need to place the position that is placed directly into of arbor, secondly whole filling sand face requires consistent with die joint, finally waits for that the adhesive waterproof tape that removes lower die joint after resin sand hardens " fits together perfectly an other half model " and is in place rear filling moulding again; The product that adopts evaporative pattern block form to produce, first evaporative pattern being difficult to carry out manual back-up sand position splits, formation can be carried out " hole " of manual back-up sand, every is carried out to mark and divisional plane is posted to adhesive tape, start manual back-up sand, place arbor etc., require in back-up sand consolidation process, integral cavity before populated cutting apart completely, secondly wait for the adhesive tape of dismantling after the sclerosis of resin sand entirety, finally the block of carrying out mark is in place one by one, top surface segmentation face uses moulding behind the good gap of adhesive tape bonding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410275017.8A CN104070137B (en) | 2014-06-19 | 2014-06-19 | A kind of FMC casting and molding method |
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| CN201410275017.8A CN104070137B (en) | 2014-06-19 | 2014-06-19 | A kind of FMC casting and molding method |
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| CN104070137A true CN104070137A (en) | 2014-10-01 |
| CN104070137B CN104070137B (en) | 2016-05-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918886A (en) * | 2018-09-20 | 2020-03-27 | 山东亿和机械装备有限公司 | Method for molding lost foam through die-splitting combined molding |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1493414A (en) * | 2002-10-28 | 2004-05-05 | 王玉和 | Method of casting loading machine large speed changing box body using vanishing mould |
| CN101185963A (en) * | 2007-12-07 | 2008-05-28 | 肖燕鹏 | Vanishing mould casting technique of blast furnace cooling wall |
| CN101332501A (en) * | 2008-07-25 | 2008-12-31 | 泰州市永昌冶金设备有限公司 | Vacuum negative-pressure los mould casting technique |
| CN101628320A (en) * | 2009-08-13 | 2010-01-20 | 十堰知名实业发展有限公司 | Lost foam casting method for composite shell casting of automobile middle axle |
| CN102198488A (en) * | 2011-04-19 | 2011-09-28 | 滁州金诺实业有限公司 | Method for manufacturing casting blank of refrigerator inner container die by using lost foam casting process |
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2014
- 2014-06-19 CN CN201410275017.8A patent/CN104070137B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1493414A (en) * | 2002-10-28 | 2004-05-05 | 王玉和 | Method of casting loading machine large speed changing box body using vanishing mould |
| CN101185963A (en) * | 2007-12-07 | 2008-05-28 | 肖燕鹏 | Vanishing mould casting technique of blast furnace cooling wall |
| CN101332501A (en) * | 2008-07-25 | 2008-12-31 | 泰州市永昌冶金设备有限公司 | Vacuum negative-pressure los mould casting technique |
| CN101628320A (en) * | 2009-08-13 | 2010-01-20 | 十堰知名实业发展有限公司 | Lost foam casting method for composite shell casting of automobile middle axle |
| CN102198488A (en) * | 2011-04-19 | 2011-09-28 | 滁州金诺实业有限公司 | Method for manufacturing casting blank of refrigerator inner container die by using lost foam casting process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918886A (en) * | 2018-09-20 | 2020-03-27 | 山东亿和机械装备有限公司 | Method for molding lost foam through die-splitting combined molding |
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| CN104070137B (en) | 2016-05-11 |
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Address after: 750021 Tongxin Road 199, Xixia District, Yinchuan City, Ningxia Hui Autonomous Region Patentee after: KOCEL MACHINERY Ltd. Address before: 750021 Tongxin Road 199, Xixia District, Yinchuan City, Ningxia Hui Autonomous Region Patentee before: KOCEL MACHINERY CO.,LTD. Address after: 750021 Tongxin Road 199, Xixia District, Yinchuan City, Ningxia Hui Autonomous Region Patentee after: KOCEL MACHINERY CO.,LTD. Address before: 750021 Tongxin Road 199, Xixia District, Yinchuan City, Ningxia Hui Autonomous Region Patentee before: NINGXIA KOCEL MACHINERY Co.,Ltd. |