CN1086751A - Complex and non-deformable high-precision mechanical parts manufacturing method - Google Patents
Complex and non-deformable high-precision mechanical parts manufacturing method Download PDFInfo
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- CN1086751A CN1086751A CN 92112718 CN92112718A CN1086751A CN 1086751 A CN1086751 A CN 1086751A CN 92112718 CN92112718 CN 92112718 CN 92112718 A CN92112718 A CN 92112718A CN 1086751 A CN1086751 A CN 1086751A
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- wax
- casting
- precision
- mold
- manufacturing
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 28
- 238000000227 grinding Methods 0.000 claims abstract description 14
- 238000000465 moulding Methods 0.000 claims abstract description 13
- 239000004793 Polystyrene Substances 0.000 claims abstract description 11
- 239000004033 plastic Substances 0.000 claims abstract description 11
- 229920003023 plastic Polymers 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000000919 ceramic Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 229920002223 polystyrene Polymers 0.000 claims abstract description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract 4
- 229910052726 zirconium Inorganic materials 0.000 claims abstract 4
- 238000004512 die casting Methods 0.000 claims abstract 2
- 230000013011 mating Effects 0.000 claims description 8
- 238000005245 sintering Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 210000001161 mammalian embryo Anatomy 0.000 claims 2
- 239000011247 coating layer Substances 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 239000004570 mortar (masonry) Substances 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 12
- 238000005495 investment casting Methods 0.000 abstract description 11
- 238000005266 casting Methods 0.000 abstract description 3
- 238000001746 injection moulding Methods 0.000 abstract description 2
- 210000000056 organ Anatomy 0.000 description 10
- 229910052845 zircon Inorganic materials 0.000 description 9
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 9
- 239000002421 finishing Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007514 turning Methods 0.000 description 3
- 238000003618 dip coating Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000012958 reprocessing Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013036 cure process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention relates to a complex non-deformable high-precision machine part manufacturing method, which utilizes a dewaxing casting method of precision casting to finish a primary blank, wherein a PS (polystyrene) material is firstly subjected to injection molding and die-casting molding to form a wax mold, then is dipped with zirconium sand for several times to serve as a pre-coated layer, then is put into an electric furnace to dissolve plastic wax to form a hollow zirconium sand mold, is sintered to form a ceramic mold, and then is subjected to a casting procedure, namely molten metal used by the machine part is poured into the zirconium sand mold to be cast into the primary blank; after the primary blank is finished, the ceramic die is punched, the matching surface is processed, the heat treatment and grinding are carried out, and the fine part is precisely ground, so that the manufactured machine part is more precise and excellent, and the whole production efficiency is effectively improved.
Description
The present invention relates to the non deformable high-accuracy parts method for making of a kind of complexity, main is wax-pattern with the lost-wax process in the hot investment casting with high temperature wax injection moulding, is stained with and soaks zircon sand to take off high temperature wax, is cast into a germule through sintering then; After germule is finished, after outer rim is ground by the system of milling mating surface, heat treatment, grinding and thin portion, finish the manufacturing of parts, the moulding of complicated parts is simplified and made the size of product precision.
General appearance is probed into than the method for making of the mechanical organ of complexity and thinner thickness, parts assembly mechanical element with the great mechanical arm palm of general consumption clamping is an example, with existing manufacture method, because its member all is the small and exquisite and thinner thicknesses of volume, add that needed package size precision is high, face shaping is irregular again, whole profile curvature complexity, thereby can't be with general mould molding manufacturing, so on making mostly with manual scraping, cooperate fabrication schedules such as car system, grinding again, can finish the finished product of whole parts; And general manual scraping manufacturing, not only manufacturing speed is extremely slow, and the bad availability ratio of the loss of material and actual production manufacturing is higher, so that on its price higher situation is arranged relatively, and to the use of manipulator, has the modernized industrial circle of automation requirement, demand constantly improves, make it assemble the acquisition cost of the accurate parts of usefulness, because need be relative higher with the imbalance of supplying with, form the burden on the manufacturing cost, and how very big at this demand, the industrial technology blind spot that can't effectively break through again reaches the manufacturing technology that reduces manufacturing cost, obtaining a breakthrough research and development, is the problem that a utmost point is treated the industrial circle research and development in fact.
Main purpose of the present invention is: provide a kind of complexity non deformable high-accuracy parts method for making, form germule by accurate lost wax casting method, cooperate the plastics wax-pattern to be stained with again and soak zircon sand formation zircon sand mould and fuse wax, carry out sintering again, to form ceramic die, for finishing germule through cast molding, again after Surface Machining, heat treatment and grinding supervisor, can finish the making of complete accurate parts, use and reach the saving of labor, size accurately reaches bad availability ratio and reduces, with the purpose of effective reduction manufacturing cost.
The objective of the invention is to realize by following technical scheme.
The non deformable high-accuracy parts method for making of a kind of complexity, it is characterized in that: mainly be to be shaped to the plastics wax-pattern with the casting of plastics wax injection pressure, be stained with dip-coating again and smear the coating of precoating for several times, and in becoming model with after the wax dissolving after the moulding, be placed into sintering furnace again and carry out sintering, in model, be shaped to germule with the used molten metal casting of high-accuracy parts then; And germule gives the preliminary grinding in surface after finishing again, and reprocessing mating surface, heat treatment become a complete finished product through grinding mating surface and thin portion precise finiss.
Purpose of the present invention also can further be realized by following technical scheme.The non deformable high-accuracy parts method for making of aforesaid complexity, it is characterized in that: described wax-pattern is by the PS(polystyrene) the material blended wax is as the used wax-pattern of lost-wax process.The non deformable high-accuracy parts method for making of aforesaid complexity is characterized in that: the described coating of precoating can be the zircon sand slurry with after the wax dissolving, forms ceramic die.
Utilize the lost wax casting method of hot investment casting to finish germule, PS(GPPS wherein) material gives earlier after the injection die cast is wax-pattern, be stained with again and soak zircon sand for several times as precoating coating, put into electric furnace again and dissolve high temperature wax, to form hollow zircon sand mould, and sintered into a ceramic die, and carry out the casting program again, even being cast in to cast in the zircon sand mould, the used molten metal of parts is germule; Beat after germule is finished and remove ceramic die, reprocessing mating surface, heat treatment and grinding, thin portion precise finiss make the parts that produce more accurate good, effectively improve whole production and make efficient.
Advantage of the present invention and effect thereof are fairly obvious.
1, at first by the lost-wax process in the hot investment casting, this is to utilize wax-pattern with the PS(polystyrene) plastics inject model, it is firm and not yielding than wax-pattern, can keep suitable precision, with mechanical organ cast molding in advance is germule, carried out processing and manufacturing programs such as finish turning grinding and heat treatment again, be that to belong to form irregular wherein at mechanical organ, and the radian that each is surperficial, angle and position are neither identical, especially the cambered surface smoothness often attrition process equipment be difficult for stretching in the narrow breach to carry out the smooth process of refacing, therefore after the hot investment casting moulding by lost-wax process, its surface light is put down and need do not processed and expend a lot of material, even can be to lip-deep concavo-convex, hole and breach size partly, shape can be carried out procedure again, thereby mechanical organ is after making germule, revolve the subsides cambered surface and promptly reached the polishing form, need not expend manual finishing procedure and material, exempt effectively in the prior art merely with turning, millings etc. hollow out processing and cause out-of-flatness, variable thickness causes and wastes defectives such as procedure.
2, because with the hot investment casting moulding, so the mode of appearance of mechanical organ can reach standardization, unitized manufacturing by the setting of model, and required processing capacity is few, it is unified and accuracy is splendid very easily to reach the mechanical organ quality of the different shaping of making, stop the very different phenomenon of product in the past, can increase substantially product quality, reduce costs such as making, manually reach equipment.
3, carrying out the lost wax casting fabrication schedule can carry out more than the dozens of simultaneously, makes processing cost and produces the operation that all can reach high efficiency man-hour, need not set up many process equipments, improves industrial utilization, real in having the development effect of breakthrough.
4, because forming germule, hot investment casting promptly formed suitable complete morphology, so do not need again with the skilled filing that manually gives, and with coated abrasive working etc. can not homogeneous process technology, quite regular and easy control has reached product degree very accurately during manufacturing.
Concrete structure of the present invention is provided by the following drawings and embodiment, further specifies architectural feature of the present invention and purpose below in conjunction with accompanying drawing.
Brief Description Of Drawings:
Fig. 1 is a germule schematic flow sheet of the present invention.
Fig. 2 is a fabrication schedule schematic diagram of the present invention.
Fig. 3 is a finished product appearing diagram of the present invention.
Fig. 4 is an another kind of finished product appearing diagram of the present invention.
The non deformable high-accuracy parts method for making of complexity of the present invention please cooperate Fig. 1, shown in Figure 2, mainly is shaped to the shape of a mechanical organ of setting in advance with microcast process, with procedures such as finish turning grinding and finishings, can reach normalized purpose again; Wherein because of the PS(GPPS) material be difficult for to be ambient temperature and to move the phenomenon that bump has distortion, the utmost point is suitable for thin and characteristic that precision component is made, at first utilize the PS(GPPS) plastics wax injection pressure casts from the metal die to be shaped to the plastics wax-pattern, with the high temperature spatula dozens of high temperature wax die welding is located in the wax flow path system then, and make the plastics wax-pattern be stained with the slurry dip-coating to precoat coating for several times, the coating of precoating of the present invention promptly be for zircon sand slurry (be the zircon sand paste of exotic material, industrial circle is generally called this program for being stained with slurry), be placed in the sinter box again after the heating dewaxing, under 1000 ℃ of high temperature, carry out sintering 30 minutes to form ceramic model, carry out the casting program again, the material metal that the making mechanical organ is required is cast in the molten slurry of high frequency molten metal, and moulding is germule 1 in the model.After germule 1 is finished, the intact form of its male and fomale(M﹠F) shape, angle, the real mechanical organ of having made in tip and position is similar, then carry out fabrication schedule shown in Figure 2, carry out burr and surperficial rough lapping after 1 moulding of hot investment casting germule, by the cast molding of plastics wax-pattern, so surface smoothness is promptly near smooth as flat, reached the standard that needs, meet the requirements of size to mill the Vehicle Processing mating surface again, again through stress relief treatment, heat treatment surface cure process, the grinding of mating surface size and gloss polish process etc.As shown in Figure 3, Figure 4, make mechanical organ 2 each surface reach more accurate angle and size; Cooperate in addition and carry out more accurate grinding of thin portion and finishing program, the part grinding is carried out to reach outside the accurate dimension in outer rim 21 end partly A, B, C ora terminalis everywhere, and make perpendicularity and levelness between each ora terminalis also can reach satisfactory complete purpose, and, can finish a complete finished product external form after suitably grinding and finishing are handled.It more than is the emphasis that the present invention emphasized.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92112718 CN1086751A (en) | 1992-11-07 | 1992-11-07 | Complex and non-deformable high-precision mechanical parts manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92112718 CN1086751A (en) | 1992-11-07 | 1992-11-07 | Complex and non-deformable high-precision mechanical parts manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1086751A true CN1086751A (en) | 1994-05-18 |
Family
ID=4946075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92112718 Pending CN1086751A (en) | 1992-11-07 | 1992-11-07 | Complex and non-deformable high-precision mechanical parts manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1086751A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100351062C (en) * | 2005-04-20 | 2007-11-28 | 陕西科技大学 | Fast shaping method of coramic component port |
| CN1883965B (en) * | 2006-06-23 | 2010-08-04 | 清华大学 | A method for water-soluble ceramic mold casting glass handicrafts |
| CN103658530A (en) * | 2012-09-14 | 2014-03-26 | 厦门嘉越光学有限公司 | Lost-wax casting method for decorative part of glasses |
| CN105478670A (en) * | 2015-12-10 | 2016-04-13 | 宋和明 | Automatic crank switch manufacturing method |
| CN107116183A (en) * | 2017-05-10 | 2017-09-01 | 钢铁研究总院 | The method that ceramic core and soluble core prepare complicated hollow die cavity casting |
-
1992
- 1992-11-07 CN CN 92112718 patent/CN1086751A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100351062C (en) * | 2005-04-20 | 2007-11-28 | 陕西科技大学 | Fast shaping method of coramic component port |
| CN1883965B (en) * | 2006-06-23 | 2010-08-04 | 清华大学 | A method for water-soluble ceramic mold casting glass handicrafts |
| CN103658530A (en) * | 2012-09-14 | 2014-03-26 | 厦门嘉越光学有限公司 | Lost-wax casting method for decorative part of glasses |
| CN105478670A (en) * | 2015-12-10 | 2016-04-13 | 宋和明 | Automatic crank switch manufacturing method |
| CN107116183A (en) * | 2017-05-10 | 2017-09-01 | 钢铁研究总院 | The method that ceramic core and soluble core prepare complicated hollow die cavity casting |
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