CN105354357A - Three-dimensional casting process verification method - Google Patents
Three-dimensional casting process verification method Download PDFInfo
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- CN105354357A CN105354357A CN201510630987.XA CN201510630987A CN105354357A CN 105354357 A CN105354357 A CN 105354357A CN 201510630987 A CN201510630987 A CN 201510630987A CN 105354357 A CN105354357 A CN 105354357A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/36—Circuit design at the analogue level
- G06F30/367—Design verification, e.g. using simulation, simulation program with integrated circuit emphasis [SPICE], direct methods or relaxation methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
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- General Engineering & Computer Science (AREA)
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Abstract
The present invention relates to a three-dimensional casting process verification method. By drawing a three-dimensional stereogram, acquiring a three-dimensional casting model and a virtual casting, comparing difference between the virtual casting and the three-dimensional casting model and checking different between the virtual casting and the three-dimensional stereogram, a casting process avoids the problems of design interference, die errors, seriously wrong casting dimensions and the like so as to realize a one-time qualified product, reduce the manufacturing quality cost and improving the production efficiency.
Description
Technical field
The present invention relates to three-dimensional casting technology field, particularly relate to a kind of three-dimensional casting technique verification method.
Background technology
The drafting of conventional casting techniques drawing, the two-dimensional approach that adopts is drawn more, and technique information is expressed by two-dimentional drawing, not easy to identify, and effective drawing reading ability of knowledge figure personnel decides casting technique and accurately, reliably implemented.Along with information-based and industrialized fusion, casting industry three-dimensional software draw craft becomes universal design instrument gradually, makes Process Planning more reliable.
In the prior art, the virtual mould assembling verification method of the patent No.: a CN201310731641.X casting process, provides a kind of virtual mould assembling verification method.The method is simulated by virtual emulation, the mistake that may occur when the design phase just can find mould assembling, carries out core and the amendment of crust cavity design in time, avoids having problems in follow-up practical operation, thus realizes lower core mould assembling smoothly.The method can judge lower core interventional procedures, but for other dimensional problem that technique exists, such as leak add processing capacity, oblique etc. without withdrawing pattern, still cannot judge and solve.
Casting three-dimensional process designing quality is subject to many-sided factor impacts such as model complexity, core quantity, process, model scale, core gap, withdrawing pattern are oblique, cause easy generating process problem, cause follow-up Mold Making mistake, semi-manufacture scrap or castings production failure.
Summary of the invention
Three-dimensional casting technique verification method of the present invention, overcomes the problem of design interference in design casting three-dimensional process process, mould mistake, casting dimension gross error.
The three-dimensional casting technique verification method of one of the present invention, comprising:
S1: drawing three-dimensional stereographic map;
S2: obtain three-dimensional cast model and virtual foundry goods;
S3: contrast the difference between virtual foundry goods and three-dimensional cast model;
S4: check the difference between virtual foundry goods and 3 dimensional drawing.
According to the present invention, step S2 comprise to 3 dimensional drawing increase processing capacity, subsidy, withdrawing pattern tiltedly, fillet and molding allowance, and complete the making of core, upper apperance and counterdie sampling technology information, to obtain three-dimensional cast model.
According to the present invention, step S2 also comprises the steps:
S21: Virtual design model and coremaking process;
S22: virtual mould assembling;
S23: virtual cast and shake out process;
S24: clear up the foundry goods after virtual shake out, to obtain virtual foundry goods.
According to the present invention, step S21 comprises Visual Manufacturing foundry goods top box, foundry goods nowel and core.
According to the present invention, step S22 comprises and foundry goods top box and foundry goods nowel being assembled.
According to the present invention, step S23 comprises molten iron being poured into die cavity and carrying out shake out and removes molding sand, obtains the foundry goods of Strip casting system, rising head and burr.
According to the present invention, step S24 comprises, and clears up the burr of foundry goods, rising head and running gate system.
According to the present invention, measure the burr of foundry goods, rising head, running gate system and withdrawing pattern oblique.
According to the present invention, step S3 comprises employing boolean difference operation and contrasts.
According to the present invention, step S4 comprises and checking the compact dimensions of virtual foundry goods.
Beneficial effect of the present invention is:
Three dimensional manufacturing processes verification method of the present invention, by drawing three-dimensional stereographic map, the difference that obtains three-dimensional cast model and virtual foundry goods, contrast the difference between virtual foundry goods and three-dimensional cast model and check between virtual foundry goods and 3 dimensional drawing, casting technique is made to avoid designing the problem of interference, mould mistake, casting dimension gross error, thus it is once qualified to realize product, reduce workmanship cost, enhance productivity.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of an embodiment of three dimensional manufacturing processes verification method of the present invention.
Fig. 2 is the schematic flow sheet of another embodiment of three dimensional manufacturing processes verification method of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the schematic flow sheet of an embodiment of three dimensional manufacturing processes verification method of the present invention.As shown in Figure 1, three dimensional manufacturing processes verification method of the present invention comprises the steps:
101: drawing three-dimensional stereographic map.
Utilizing three-dimensional software to draw the 3 dimensional drawing of product, such as, can be Solidworks or Pro/E.
102: obtain three-dimensional cast model and virtual foundry goods.
Obtain three-dimensional cast model according to 3 dimensional drawing, obtain virtual foundry goods through Virtual Foundry process.
103: contrast the difference between virtual foundry goods and three-dimensional cast model.
Virtual foundry goods and three-dimensional cast model are contrasted, wherein difference refer generally to gap, withdrawing pattern tiltedly, the difference of subsidy and fillet aspect.The feasibility of casting technique is verified with this.
104: check the difference between virtual foundry goods and 3 dimensional drawing.
The compact dimensions of the virtual foundry goods design size of the 3 dimensional drawing of product and virtual process obtained is checked, with verify with the structure of the foundry goods of this explained hereafter and size whether accurate.
The three dimensional manufacturing processes verification method of the present embodiment, by drawing three-dimensional stereographic map, the difference that obtains three-dimensional cast model and virtual foundry goods, contrast the difference between virtual foundry goods and three-dimensional cast model and check between virtual foundry goods and 3 dimensional drawing, casting technique is made to avoid designing the problem of interference, mould mistake, casting dimension gross error, thus it is once qualified to realize product, reduce workmanship cost, enhance productivity.
Fig. 2 is the schematic flow sheet of another embodiment of three dimensional manufacturing processes verification method of the present invention.As shown in the figure, comprise the steps:
201, drawing three-dimensional stereographic map.
Utilizing three-dimensional software to draw the 3 dimensional drawing of product, such as, can be Solidworks or ProE.
202, the making of the technique information of core, upper apperance and lower apperance.
According to the requirement of the processing of product, technique and quality, to product 3 dimensional drawing increase processing capacity, subsidy, withdrawing pattern tiltedly, the content such as fillet and molding allowance, the making of the technique informations such as core, upper apperance and lower apperance is completed with this, such as technological parameter, thus complete the foundation of three-dimensional cast model, wherein utilize upper apperance and lower apperance to produce foundry goods top box and foundry goods nowel.
203, Virtual design model and coremaking process.
In three-dimensional software, simulate the process of moulding and coremaking, utilize the technique information of above-mentioned acquisition to complete the Visual Manufacturing of foundry goods top box, foundry goods nowel and core.
204, virtual mould assembling.
According to the actual flow process of produced on-site, foundry goods nowel is placed steadily, according to core under positioning requirements, after foundry goods top box and foundry goods nowel equipment are put in place.
205, virtual cast and shake out process.
Molten iron is poured into die cavity, carries out shake out and remove molding sand, obtain the foundry goods of Strip casting system, rising head and burr.
206, the burr of foundry goods, rising head, running gate system and withdrawing pattern is measured oblique.
Measure the burr size of the foundry goods after virtual shake out, obtain the gap size of casting technique; Measure the contents such as rising head, running gate system and withdrawing pattern are oblique, can judge may Problems existing according to this technique actual production foundry goods.
207, the foundry goods after virtual shake out is cleared up, to obtain virtual foundry goods.
Foundry goods after virtual shake out is cleared up, cleans out by burr, rising head and running gate system etc., obtain virtual foundry goods.
208, the difference between virtual foundry goods and three-dimensional cast model is contrasted.
Three-dimensional cast model and Visual Manufacturing virtual foundry goods are out contrasted, in the present embodiment, adopt boolean difference operation to contrast, the difference between virtual foundry goods and theoretical foundry goods can be obtained, wherein difference refer generally to gap, withdrawing pattern tiltedly, the difference of subsidy and fillet aspect.And this difference has predetermined tolerance, according to dimensional accuracy, this range of tolerable variance is preferably 0.1-0.2mm, if difference exceedes predetermined range of tolerable variance.Then illustrate that the technological process of simulation has problem, otherwise, then illustrate that the technique of simulation is quite reasonable, thus the feasibility of checking casting technique.
209, the difference between virtual foundry goods and 3 dimensional drawing is checked.
The compact dimensions of the virtual foundry goods design size of the 3 dimensional drawing of product and virtual process obtained is checked, with checking with the structure of the foundry goods of this explained hereafter and size whether accurate, if size difference is larger, then the structure of the foundry goods of this explained hereafter and size inaccurate, otherwise structure and the size of the foundry goods of this explained hereafter are accurate.
The three dimensional manufacturing processes verification method of the present embodiment, by drawing three-dimensional stereographic map, the difference that obtains three-dimensional cast model and virtual foundry goods, contrast the difference between virtual foundry goods and three-dimensional cast model and check between virtual foundry goods and 3 dimensional drawing, and the process that Virtual Foundry obtains virtual foundry goods has been described in detail, casting technique is made to avoid designing the problem of interference, mould mistake, casting dimension gross error, thus it is once qualified to realize product, reduce workmanship cost, enhance productivity.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a three-dimensional casting technique verification method, is characterized in that, comprising:
S1: drawing three-dimensional stereographic map;
S2: obtain three-dimensional cast model and virtual foundry goods;
S3: contrast the difference between virtual foundry goods and described three-dimensional cast model;
S4: check the difference between virtual foundry goods and described 3 dimensional drawing.
2. three-dimensional casting technique verification method according to claim 1, it is characterized in that, described step S2 comprise to described 3 dimensional drawing increase processing capacity, subsidy, withdrawing pattern tiltedly, fillet and molding allowance, and the technique information completing core, upper apperance and lower apperance makes, to obtain described three-dimensional cast model.
3. three-dimensional casting technique verification method according to claim 1, it is characterized in that, described step S2 also comprises the steps:
S21: Virtual design model and coremaking process;
S22: virtual mould assembling;
S23: virtual cast and shake out process;
S24: clear up the foundry goods after described virtual shake out, to obtain described virtual foundry goods.
4. three-dimensional casting technique verification method according to claim 3, is characterized in that, described step S21 comprises Visual Manufacturing foundry goods top box, foundry goods nowel and core.
5. three-dimensional casting technique verification method according to claim 3, is characterized in that, described step S22 comprises and described foundry goods top box and described foundry goods nowel being assembled.
6. three-dimensional casting technique verification method according to claim 3, is characterized in that, described step S23 comprises molten iron being poured into die cavity and carrying out shake out and removes molding sand, obtains the foundry goods of Strip casting system, rising head and burr.
7. three-dimensional casting technique verification method according to claim 6, it is characterized in that, described step S24 comprises, and clears up the burr of described foundry goods, rising head and running gate system.
8. three-dimensional casting technique verification method according to claim 6, is characterized in that, measure the burr of described foundry goods, rising head, running gate system and withdrawing pattern oblique.
9. three-dimensional casting technique verification method according to claim 1, is characterized in that, described step S3 comprises employing boolean difference operation and carries out described contrast.
10. three-dimensional casting technique verification method according to claim 1, is characterized in that, described step S4 comprises and checking the compact dimensions of described virtual foundry goods.
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| CN201510630987.XA CN105354357A (en) | 2015-09-29 | 2015-09-29 | Three-dimensional casting process verification method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750496A (en) * | 2016-04-08 | 2016-07-13 | 宁夏共享模具有限公司 | Method for modularizing saddle sand mold |
| CN106404039A (en) * | 2016-08-31 | 2017-02-15 | 宁夏共享模具有限公司 | Cast detection method and device |
| CN109604529A (en) * | 2019-01-09 | 2019-04-12 | 陕西柴油机重工有限公司 | Casting technique fast verification method based on sand core 3D printing technique |
| CN110789084A (en) * | 2019-11-08 | 2020-02-14 | 武汉数字化设计与制造创新中心有限公司 | Automatic mold drawing method for injection product model |
| CN112906187A (en) * | 2021-01-16 | 2021-06-04 | 大连环友屏蔽泵有限公司 | Casting process of double-suction pump body |
| CN115069981A (en) * | 2022-06-30 | 2022-09-20 | 中国航发北京航空材料研究院 | Method for determining trimming modulus of casting mold |
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| CN103310068A (en) * | 2013-06-26 | 2013-09-18 | 西南科技大学 | Cast manufacturing method of rapid sand casting based on SLA prototype |
| CN103658521A (en) * | 2013-11-15 | 2014-03-26 | 凯盛重工有限公司 | Digitally-simulated casting method |
| CN103697840A (en) * | 2013-12-27 | 2014-04-02 | 宁夏共享集团有限责任公司 | Virtual box closing verification method in casting process |
| CN104647697A (en) * | 2015-01-27 | 2015-05-27 | 苏州汇众模塑有限公司 | Digital design technology for injection mold |
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2015
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103310068A (en) * | 2013-06-26 | 2013-09-18 | 西南科技大学 | Cast manufacturing method of rapid sand casting based on SLA prototype |
| CN103658521A (en) * | 2013-11-15 | 2014-03-26 | 凯盛重工有限公司 | Digitally-simulated casting method |
| CN103697840A (en) * | 2013-12-27 | 2014-04-02 | 宁夏共享集团有限责任公司 | Virtual box closing verification method in casting process |
| CN104647697A (en) * | 2015-01-27 | 2015-05-27 | 苏州汇众模塑有限公司 | Digital design technology for injection mold |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750496A (en) * | 2016-04-08 | 2016-07-13 | 宁夏共享模具有限公司 | Method for modularizing saddle sand mold |
| CN106404039A (en) * | 2016-08-31 | 2017-02-15 | 宁夏共享模具有限公司 | Cast detection method and device |
| CN109604529A (en) * | 2019-01-09 | 2019-04-12 | 陕西柴油机重工有限公司 | Casting technique fast verification method based on sand core 3D printing technique |
| CN110789084A (en) * | 2019-11-08 | 2020-02-14 | 武汉数字化设计与制造创新中心有限公司 | Automatic mold drawing method for injection product model |
| CN112906187A (en) * | 2021-01-16 | 2021-06-04 | 大连环友屏蔽泵有限公司 | Casting process of double-suction pump body |
| CN112906187B (en) * | 2021-01-16 | 2024-02-23 | 大连环友屏蔽泵有限公司 | Casting process of pump body of double suction pump |
| CN115069981A (en) * | 2022-06-30 | 2022-09-20 | 中国航发北京航空材料研究院 | Method for determining trimming modulus of casting mold |
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Application publication date: 20160224 |