CN102876054A - Packing mold material used in investment precision casting - Google Patents
Packing mold material used in investment precision casting Download PDFInfo
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- CN102876054A CN102876054A CN2012103189514A CN201210318951A CN102876054A CN 102876054 A CN102876054 A CN 102876054A CN 2012103189514 A CN2012103189514 A CN 2012103189514A CN 201210318951 A CN201210318951 A CN 201210318951A CN 102876054 A CN102876054 A CN 102876054A
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- 239000000463 material Substances 0.000 title claims abstract description 104
- 238000005495 investment casting Methods 0.000 title claims abstract description 31
- 238000012856 packing Methods 0.000 title description 2
- 239000000945 filler Substances 0.000 claims abstract description 43
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims abstract description 20
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims abstract description 20
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims abstract description 20
- 240000003183 Manihot esculenta Species 0.000 claims abstract description 16
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 claims abstract description 16
- 229920002472 Starch Polymers 0.000 claims abstract description 12
- 229920000642 polymer Polymers 0.000 claims abstract description 12
- 235000019698 starch Nutrition 0.000 claims abstract description 12
- 239000008107 starch Substances 0.000 claims abstract description 11
- 239000012169 petroleum derived wax Substances 0.000 claims abstract description 10
- 235000019381 petroleum wax Nutrition 0.000 claims abstract description 10
- 239000012778 molding material Substances 0.000 claims abstract 7
- 239000012188 paraffin wax Substances 0.000 claims description 33
- 229920005989 resin Polymers 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 8
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 7
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 235000019809 paraffin wax Nutrition 0.000 claims 6
- 235000019271 petrolatum Nutrition 0.000 claims 6
- 230000009972 noncorrosive effect Effects 0.000 claims 1
- 231100000252 nontoxic Toxicity 0.000 claims 1
- 230000003000 nontoxic effect Effects 0.000 claims 1
- 229920000620 organic polymer Polymers 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 239000001993 wax Substances 0.000 abstract description 18
- 238000005266 casting Methods 0.000 abstract description 12
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 235000013312 flour Nutrition 0.000 description 10
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- 239000000843 powder Substances 0.000 description 5
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- 238000009415 formwork Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000013032 Hydrocarbon resin Substances 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 229920006270 hydrocarbon resin Polymers 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 241000209140 Triticum Species 0.000 description 2
- 235000021307 Triticum Nutrition 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 239000012164 animal wax Substances 0.000 description 2
- 239000004203 carnauba wax Substances 0.000 description 2
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- 238000001816 cooling Methods 0.000 description 2
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- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000004200 microcrystalline wax Substances 0.000 description 2
- 235000019808 microcrystalline wax Nutrition 0.000 description 2
- 239000012184 mineral wax Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
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- 238000003466 welding Methods 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- SMEGJBVQLJJKKX-HOTMZDKISA-N [(2R,3S,4S,5R,6R)-5-acetyloxy-3,4,6-trihydroxyoxan-2-yl]methyl acetate Chemical compound CC(=O)OC[C@@H]1[C@H]([C@@H]([C@H]([C@@H](O1)O)OC(=O)C)O)O SMEGJBVQLJJKKX-HOTMZDKISA-N 0.000 description 1
- 229940081735 acetylcellulose Drugs 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- XZKRXPZXQLARHH-UHFFFAOYSA-N buta-1,3-dienylbenzene Chemical compound C=CC=CC1=CC=CC=C1 XZKRXPZXQLARHH-UHFFFAOYSA-N 0.000 description 1
- ZRIHAIZYIMGOAB-UHFFFAOYSA-N butabarbital Chemical compound CCC(C)C1(CC)C(=O)NC(=O)NC1=O ZRIHAIZYIMGOAB-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
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- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 150000005677 organic carbonates Chemical class 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
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- 238000003911 water pollution Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
本发明涉及一种熔模精密铸造用填料模料。该模料包含作为填料的淀粉，还包含石油蜡，有机高聚物，松香。该模料中包含质量分数为5-20％的木薯淀粉。木薯淀粉的加入，能有效控制模料的收缩率和膨胀率，对于熔模精密铸造铸件尺寸精度的控制十分重要。木薯淀粉来源广泛，比其它填料模料成本更低，与熔模铸造型壳不发生反应。本发明的模料线收缩率和灰分低，强度较高，涂挂性和流动性较好，适用于制作大型薄壁熔模精密铸件和表面质量要求较高的饰品铸件的模型蜡。
The invention relates to a filler molding material for investment precision casting. The molding material contains starch as a filler, petroleum wax, organic high polymer and rosin. The mold material contains tapioca starch with a mass fraction of 5-20%. The addition of tapioca starch can effectively control the shrinkage rate and expansion rate of the mold material, which is very important for the control of the dimensional accuracy of investment casting investment castings. Tapioca starch is widely available, lower cost than other filler molding materials, and does not react with investment casting shells. The molding material of the invention has low linear shrinkage and ash content, high strength, good coating and fluidity, and is suitable for making large thin-wall investment precision castings and model wax for jewelry castings with high surface quality requirements.
Description
Technical field
The present invention relates to a kind of precision-investment casting with filler mould material, be applicable to the ornaments Melt casting that large thin-wall Melt casting and Surface Quality are had relatively high expectations.
Background technology
Precision-investment casting is called again lost wax process, its processing step is to produce the apperance that will cast implements with wax material, prepare wax-pattern in apperance welding gating system, then cover with refractory paint at wax-pattern, wait the refractory paint drying to solidify after, carry out the demoulding, wax-pattern all melts loss, and only surplus shell pours into molten metal from the sprue gate again, remove the refractory paint shell after the cooling, just obtain required metal founding.
The product size of precision-investment casting is accurate, close to the last shape of part, without processing or only just can directly using through a small amount of processing.The developing direction of modern investment casting is large-scale, thin-walled, complexity, precision: modern Aviation and war products are main force's directions of precision-investment casting, and the characteristics of its product are thin-walled and complexity; Ornaments are Surface Quality and dimension precision requirement harshness then.Precision-investment casting can be competent at the performance requriements of other the inaccessiable above-mentioned several series products of working method as the castmethod of near-net-shape, day by day shows its irreplaceable importance.
The dimensional precision level of Melt casting mainly is subjected to three factor affecting: the solidification shrinkage of first metal, and it two is expanding with heat and contract with cold of formwork, it three is that the fusible pattern self character causes casting dimension to change.The former two can accurately quantize substantially, and therefore, fusible pattern itself is the key factor that the mould material then becomes affects the Melt casting dimensional precision; On the other hand, mould material surface quality directly affects the formwork quality, and then affects the surface quality of foundry goods.Therefore, want to obtain up-to-standard Melt casting, its mould material must possess following main characteristic:
(1) fusing point is moderate, and good flowability is arranged after the cast, in order to be full of smoothly the die mould die cavity, and the apperance that the shaping outside surface is complete, and when the demoulding, can flow out smoothly model;
(2) lower shrink/expanded rate, the mould material is when temperature changes, and dimensional change should be as far as possible little, and to guarantee the formed precision of apperance, the assurance formwork is not out of shape because of the swollen type of mould material or splits;
(3) suitable strength and stability can at a certain temperature, keep the stable of shape and size in moulding process and after the moulding;
(4) good being coated with property can be coated with binding agent and hanging sand well at the outside surface of mould material, forms the intact formwork of reliable in quality;
(5) lower ash content, the ash content after the roasting of mould material should be as much as possible little, just can make the interior residual ash content of die cavity few, improves the surface quality of product.
Chinese patent CN1103352C has announced a kind of ultra-fine mould material for lost wax process of adornment.This mould material comprises paraffin 34-50%, other wax 18-32%, modified rosin resin 15-33%, high molecular polymer 6-12%, solubility promoter 0.5-1%.Mould material intensity is 7-9MPa, and linear shrinkage ratio is 1.2%.
Chinese patent CN1325566C has announced a kind of precision casting mould material.This mould material comprises 20-70% paraffin, 20-70% petroleum resin, 1-8% high molecular polymer, 1-15% mineral wax, animal wax and vegetable wax.Mould material main performance index is: intensity is 7-10MPa, and linear shrinkage ratio is 0.5-0.7%, and ash content is less than 0.02%.
Chinese patent CN101074320B has announced a kind of precisive ornament casting moulding material.This mould material comprises 20-60% hydrogenation Microcrystalline Wax, 10-40% paraffin, 20-60% petroleum resin, 1-8% high molecular polymer, 1-15% mineral wax, animal wax and vegetable wax.Mould material main performance index is: intensity is 7-10MPa, and linear shrinkage ratio is 0.4-0.6%, and ash content is less than 0.02%.
The mould material performance that Chinese patent CN101074320B announces improves than CN1325566C and CN1103352C, but in general, the linear shrinkage ratio of these mould material and ash content are still located higher level, are difficult to satisfy precise thin-wall or ornaments foundry goods to dimensional precision and the more and more higher requirement of surface quality.
The mould material that above-mentioned Chinese patent is announced mainly is cerul and rosin basic mode material, in order to satisfy the requirement of mould material low-shrinkage, usually adds filler in the fusible pattern wax material, changes the dimensional change that causes because of room temperature to reduce the mould material.
Precision-investment casting mainly contains three classes with filler mould material: one is the air filler, adopt alr mode in the mould material introducing air as filler, but the molten temperature region of the larger mould material of air capacity of introducing is larger, the fusible pattern surface quality is poorer, when the inclusion of air amount surpasses 25%, even produce local contracting hole; It two is water soluble fillers, and such filling adding amount surpasses 8%, and filler can be dissolved by the water in the coating during shell processed, causes cast(ing) surface coarse, and this filler can be all soluble in water not recyclable when dewaxing, causes waste and the water pollution of material; It three is pressed powder fillers, and such filler can obtain best technological effect.The document that below is pressed powder mould material is taken passages:
US4411075 (1979) has announced a kind of urotropin (HMTA) as the precision-investment casting mould material of filler, also comprises the vegetable wax (carnauba wax and gama wax) of 0-15%, the 20-60% petroleum wax.
US5006583 (1991) has announced the multipolymer of a kind of vinylbenzene and Vinylstyrene as the precision-investment casting mould material of filler, comprises the 0-15% vegetable wax, 20-60% petroleum wax mixture, 1-12% synthetic wax, 13-70% hydrocarbon resin.
US5518537 (1996) has announced and has a kind ofly adopted the thermoplastic resin powder of acetyl cellulose as the precision-investment casting mould material of filler, its packing quality per-cent is 15-25%, also comprise the 0-15% vegetable wax, 20-60% petroleum wax mixture, the 1-12% synthetic wax, the 13-79% hydrocarbon resin.
US6326429 (2001) has announced a kind of polymer organic carbonate that adopts as the precision-investment casting mould material of filler, and the rate of expansion that has effectively reduced the mould material of this filler can reach with the mould material level of urea as filler.
US6485553 (2002) has announced a kind of employing polyethylene terephthalate (PET) as the precision-investment casting mould material of filler, comprises the 0-15% vegetable wax, 20-60% petroleum wax mixture, 1-15% synthetic wax, 15-70% hydrocarbon resin.
Above-mentioned pressed powder filling intensity is higher, and the affiliation that adds of these fillers causes other problems, causes with matrix wax phase dissolubility badly such as filling adding amount and type selecting, and mould material flowability is not good, and residual ash content is still kept certain quantity etc. after the roasting.In addition, these several filler prices are higher, are unfavorable for the reduction of final casting product cost.
US4758613 (1988) has announced take paraffin, Microcrystalline Wax, carnauba wax as matrix, adds the precision-investment casting mould material of the ative starchs such as corn, wheat, rice.This mould material intensity is higher, can reach about 20MPa, but linear shrinkage ratio generally is higher than 0.5%, is difficult to reach the high dimensional accuracy precision casting to the demand of mould material; Starch granularity in the mould material is larger, and the surface quality of the finished product is had disadvantageous effect; And in the human main food crop such as corn, wheat and rice, in today of present international food shortage, its using value in actual investment cast is had a greatly reduced quality as the starch source of filler.
Summary of the invention
The present invention is directed to the problem that prior art exists, provide a kind of intensity higher, linear shrinkage ratio is little, the precision-investment casting that ash content is little filler mould material.
The concrete technical scheme of the present invention is as follows:
Mould material component proportion of the present invention is as follows by percentage to the quality:
(1) 5-70% petroleum wax;
(2) 5-70% resin;
(3) 1-20% organic high molecular polymer;
(4) 1-40% tapioca (flour).
Below be detailed component of the present invention and select explanation:
(1) petroleum wax of the present invention's employing is as one of body material, the petroleum wax of selecting is one or more the mixture in 62# paraffin wax fully refined, 62# SEMI-REFINED PARAFFIN WAX, 64# paraffin wax fully refined, 64# SEMI-REFINED PARAFFIN WAX, 66# paraffin wax fully refined, the 66# SEMI-REFINED PARAFFIN WAX, its fusing point is 56-70 ℃, and preferred amount ranges is 10-60%.Full refining and SEMI-REFINED PARAFFIN WAX are normal paraffins, are being lower than the stability that has preferably chemistry under 200 ℃, and be very useful for the preparation investment casting mould materials, is one of main select materials.
(2) the present invention adopts resin as one of body material, selecting resin is in other derivatives of common rosin, polymerized rosin, staybelite, nilox resin, rosin ester and rosin one or more, its softening temperature is 95-170 ℃, and its preferred amount ranges is 10-60%.Paraffin is crystal-form substances, and simple paraffin crystal grain is thicker, adopts the fusion of an amount of rosin and paraffin, can change well the paraffin Brittleness; And in preferable range, rosin and paraffin mutual solubility are good, suspending phase can not occur, and be less to the flowability affects of mould material.
(3) organic high molecular polymer of the present invention's employing is as one of constituent element, selecting polymkeric substance is one or more mixtures in polyethylene, polystyrene (PS), polyethylene terephthalate (PET), the ethylene-vinyl acetate copolymer (EVA), its molecular weight summation is 1000-40000, and preferable amount is 1-10%.The organic high molecular polymer Main Function is further to promote intensity and the toughness of matrix, so that the fusible pattern group can keep shape invariance shape under certain stress condition, can reply original shape behind the external force removal; Select the organic high molecular polymer of certain degree of crystallinity, and preferably mutual solubility is arranged between the matrix, fusing point and matrix approach, and keep the good fluidity of wax matrix.
(4) tapioca (flour) of the present invention's employing meets Ministry of Light Industry of People's Republic of China (PRC) industry potato starch standard (QB1840-93), reach industrial first grade and above quality, by 200 mesh standard sieve nets, pass through 230 mesh standard sieve nets more than 80%, by 270 standard mesh screen clothes, its preferred amount ranges is 5-15% more than 50%.Than the powder filler of the high molecular polymer of other types, it is wetting well that tapioca (flour) can be melted paraffin, very little to the flowability affects of wax body material; Tapioca (flour) adds the mould material, can play a supporting role well, reduces the linear shrinkage ratio of mould material integral body, improves the intensity of mould material.
Below be the preparation process explanation of mould material of the present invention:
(1) at first wax material is heated to 120 ℃, preferably Heating temperature is maintained below 100 ℃ and melt wax material, the excess Temperature wax material easily is fuming;
(2) wax materialization clear after, substep adds rosin, and stirs melt, temperature maintains about 120 ℃, in case excess Temperature is fuming;
(3) rosin all molten (molten) clear after, add organic high molecular polymer, be stirred to all molten (molten) clear;
(4) add at last filler, temperature maintains about 100 ℃, and low rate mixing is until tapioca (flour) all is dispersed in melt.Can not rapid stirring, otherwise tapioca (flour) easily overflows heating container with wax material in wetted process, cause implementing unsuccessfully;
(5) the mould material is at 1.18 ± 0.20MPa pressure, 64 ± 1 ℃ of temperatures injection formings.The mould material must guarantee near mould material fusing point or a little less than the fusing point pressure injection, otherwise after the cooling of mould material, the easily larger contraction of formation affects implementation result.Mould material injection-compression molding can be determined with reference to the correlation parameter of preparation fusible pattern sample in HB 5350 series standards.
The mould material performance index of the present invention's preparation are that drop point is 55-70 ℃, and bending strength is greater than 5MPa, and linear shrinkage ratio is less than 0.4%, and the thermostability temperature is not less than 40 ℃, and ash content is less than 0.015%.Mould material machinery-free impurity, non-corrosiveness and toxicity are fit to preparation to casting dimension accuracy and the demanding fusible pattern apperance of surface quality.
Filler mould material of the present invention is compared with other mould material in the aforementioned patent, and remarkable substantive distinguishing features and progress are arranged:
(1) mould material intensity is large, can satisfy that mould material group supports and the requirement of meticulous position, is unlikely to again intensity excessive and be unfavorable for finishing and the welding of module;
(2) linear shrinkage ratio of mould material is less than 0.4%, and the module dimensional precision of moulding is high, can be good at simultaneously avoiding the danger of the swollen shell of mould material;
(3) mould material thermostability temperature is higher than 40 ℃, and the mould material can be preserved not yielding under the comparatively high temps of workshop, and adaptability is good;
(4) mould material ash content is few, can improve quality of investment shell, can be good at satisfying the requirement of foundry goods great surface quality
(5) mould material non-corrosiveness and toxicity can not produce detrimentally affect to generation equipment and the person.
Description of drawings
The present invention will be described below in conjunction with accompanying drawing.
Mould material microstructure in the embodiment of the invention is all amplified 200 times of shootings at polarizing microscope and is drawn.
Fig. 1 is unloaded mould material microstructure (200 *) among the embodiment 1;
Fig. 2 is the mould material microstructure (200 *) of the interpolation filler of embodiment 1;
Fig. 3 is unloaded mould material microstructure (200 *) among the embodiment 2;
Fig. 4 is the mould material microstructure (200 *) of the interpolation filler of embodiment 2;
Fig. 5 is unloaded mould material microstructure (200 *) among the embodiment 3;
Fig. 6 is the mould material microstructure (200 *) of the interpolation filler of embodiment 3;
Fig. 7 is unloaded mould material microstructure (200 *) among the embodiment 4;
Fig. 8 is the mould material microstructure (200 *) of the interpolation filler of embodiment 4;
Can find out from Fig. 1 to Fig. 8, do not add the visible thick obvious paraffin crystal grain of directivity in the mould material microstructure of filler, then have no thick crystallization bar in the filler mould material microstructure of the present invention and occur, organize fine and closely woven, good interior tissue to provide assurance for mould material premium properties.
Embodiment
Below by specific embodiment, precision-investment casting of the present invention with filler mould material, be described further, but specific embodiment is not used as limitative examples.
Precision-investment casting among the embodiment is as follows with filler mould material testing method:
Drop point GB/T14235.1-1993
Linear shrinkage ratio HB 5350.1-2004
Thermostability temperature HB 5350.2-2004
Bending strength HB 5350.3-2004
Ash content HB 5350.5-2004
Per-cent among the embodiment is mass percent.
Embodiment 1:
66# paraffin wax fully refined 10%
64# paraffin wax fully refined 10%
62# paraffin wax fully refined 15%
Staybelite, highly hydrogenated one-level 30%
EVA, melting index 50 5%
Tapioca (flour), industrial top grade 15%
Embodiment 2:
62# SEMI-REFINED PARAFFIN WAX 42%
115# polymerized rosin 40%
EVA, melting index 45 10%
Tapioca (flour), industrial one-level 8%
Embodiment 3:
64# paraffin wax fully refined 15%
62# paraffin wax fully refined 35%
140# polymerized rosin 10%
Staybelite, common hydrogenation one-level 30%
PET, melting index 50 3%
EVA, melting index 35 5%
Tapioca (flour), industrial top grade 12%
Embodiment 4:
66# SEMI-REFINED PARAFFIN WAX 15%
64# SEMI-REFINED PARAFFIN WAX 10%
62# SEMI-REFINED PARAFFIN WAX 15%
95# polymerized rosin 30%
Polystyrene, melting index 35 4%
EVA, melting index 40 6%
Tapioca (flour), industrial one-level 20%
The detected result of embodiment is as shown in table 1:
The physics and chemistry detected result of table 1 embodiment
Embodiment physics and chemistry detected result from table 1 can find out, all between 60-70 ℃, drop point is moderate with the drop point of filler mould material embodiment 1,2,3,4 in precision-investment casting of the present invention; Precision-investment casting of the present invention uses the bending strength of filler mould material embodiment 1,2,3,4 all greater than 5MPa, can be good at satisfying actual needs; The thermostability temperature is all greater than 40 ℃, and the mould material can keep shape under the comparatively high temps; Precision-investment casting is low with linear shrinkage ratio and the ash content of filler mould material embodiment 1,2,3,4, can satisfy the requirement of Melt casting high dimensional accuracy and great surface quality.More than comprehensive, precision-investment casting of the present invention can be satisfied the requirement of large-scale Melt casting high dimensional accuracy and the requirement of ornaments foundry goods great surface quality well with filler mould material.
Claims (8)
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| CN2012103189514A CN102876054A (en) | 2012-09-03 | 2012-09-03 | Packing mold material used in investment precision casting |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103386462A (en) * | 2013-08-13 | 2013-11-13 | 厦门固特威蜡制品有限公司 | Adhesive wax |
| CN103586409A (en) * | 2013-11-27 | 2014-02-19 | 吴江市液铸液压件铸造有限公司 | Fired mold preparation technology |
| CN104550729A (en) * | 2014-07-28 | 2015-04-29 | 霍山瑞精铸业有限公司 | Sand mold forming casting process |
| CN104826993A (en) * | 2015-05-13 | 2015-08-12 | 吴光英 | Precision casting method of melting mold |
| CN104972063A (en) * | 2015-07-17 | 2015-10-14 | 哈尔滨工业大学 | Method for manufacturing wax mould for precision investment casting |
| CN105683294A (en) * | 2013-09-30 | 2016-06-15 | 英国瑞美特有限公司 | Casting paraffin wax |
| CN106009715A (en) * | 2016-06-20 | 2016-10-12 | 江苏工程职业技术学院 | Wax material for high-precision lost-wax process and preparing technology of wax material |
| CN106280502A (en) * | 2016-08-18 | 2017-01-04 | 娄土岭 | A kind of precision-investment casting blended wax mould material |
| CN107952935A (en) * | 2017-12-18 | 2018-04-24 | 定远县宝隆机械制造有限公司 | A kind of moltening mold castings rapid-curing cutback wax formula |
| CN108676370A (en) * | 2018-05-08 | 2018-10-19 | 东莞恒天新材料有限公司 | 3D printing non-photocuring model wax based on graphene and synthetic method thereof |
| CN108997761A (en) * | 2018-08-17 | 2018-12-14 | 兴化市兴东铸钢有限公司 | A kind of precision-investment casting rosin basic mode material and preparation method thereof |
| CN109181014A (en) * | 2018-08-17 | 2019-01-11 | 佛山朝鸿新材料科技有限公司 | A kind of preparation method of the aqueous core model material of high-strength stable |
| CN110172253A (en) * | 2019-03-20 | 2019-08-27 | 杭州伊斯特塑料制品有限公司 | A kind of high temperature precision casting wax |
| CN110172252A (en) * | 2019-03-20 | 2019-08-27 | 杭州伊斯特塑料制品有限公司 | A kind of high temperature hot investment casting wax |
| CN110548834A (en) * | 2019-10-15 | 2019-12-10 | 湖北觉辰工艺有限公司 | Preparation method of bronze statue |
| CN111774527A (en) * | 2020-05-29 | 2020-10-16 | 西安工业大学 | A kind of wax mold making process for key lock |
| CN111793367A (en) * | 2020-08-11 | 2020-10-20 | 安吉多乐汽车造型材料有限公司 | Low-shrinkage industrial oil sludge |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103386462A (en) * | 2013-08-13 | 2013-11-13 | 厦门固特威蜡制品有限公司 | Adhesive wax |
| US10273363B2 (en) | 2013-09-30 | 2019-04-30 | Remet Corporation | Casting wax |
| US10053578B2 (en) | 2013-09-30 | 2018-08-21 | Remet Corporation | Casting wax |
| CN105683294A (en) * | 2013-09-30 | 2016-06-15 | 英国瑞美特有限公司 | Casting paraffin wax |
| CN105683294B (en) * | 2013-09-30 | 2018-04-06 | 英国瑞美特有限公司 | Casting paraffin wax |
| CN103586409A (en) * | 2013-11-27 | 2014-02-19 | 吴江市液铸液压件铸造有限公司 | Fired mold preparation technology |
| CN104550729A (en) * | 2014-07-28 | 2015-04-29 | 霍山瑞精铸业有限公司 | Sand mold forming casting process |
| CN104826993A (en) * | 2015-05-13 | 2015-08-12 | 吴光英 | Precision casting method of melting mold |
| CN104972063A (en) * | 2015-07-17 | 2015-10-14 | 哈尔滨工业大学 | Method for manufacturing wax mould for precision investment casting |
| CN106009715A (en) * | 2016-06-20 | 2016-10-12 | 江苏工程职业技术学院 | Wax material for high-precision lost-wax process and preparing technology of wax material |
| CN106009715B (en) * | 2016-06-20 | 2018-07-03 | 江苏工程职业技术学院 | A kind of wax material and its preparation process for high-precision lost-wax process |
| CN106280502A (en) * | 2016-08-18 | 2017-01-04 | 娄土岭 | A kind of precision-investment casting blended wax mould material |
| CN107952935A (en) * | 2017-12-18 | 2018-04-24 | 定远县宝隆机械制造有限公司 | A kind of moltening mold castings rapid-curing cutback wax formula |
| CN108676370A (en) * | 2018-05-08 | 2018-10-19 | 东莞恒天新材料有限公司 | 3D printing non-photocuring model wax based on graphene and synthetic method thereof |
| CN109181014A (en) * | 2018-08-17 | 2019-01-11 | 佛山朝鸿新材料科技有限公司 | A kind of preparation method of the aqueous core model material of high-strength stable |
| CN108997761A (en) * | 2018-08-17 | 2018-12-14 | 兴化市兴东铸钢有限公司 | A kind of precision-investment casting rosin basic mode material and preparation method thereof |
| CN110172253A (en) * | 2019-03-20 | 2019-08-27 | 杭州伊斯特塑料制品有限公司 | A kind of high temperature precision casting wax |
| CN110172252A (en) * | 2019-03-20 | 2019-08-27 | 杭州伊斯特塑料制品有限公司 | A kind of high temperature hot investment casting wax |
| CN110548834A (en) * | 2019-10-15 | 2019-12-10 | 湖北觉辰工艺有限公司 | Preparation method of bronze statue |
| CN110548834B (en) * | 2019-10-15 | 2020-12-18 | 湖北觉辰工艺有限公司 | Preparation method of bronze statue |
| CN111774527A (en) * | 2020-05-29 | 2020-10-16 | 西安工业大学 | A kind of wax mold making process for key lock |
| CN111793367A (en) * | 2020-08-11 | 2020-10-20 | 安吉多乐汽车造型材料有限公司 | Low-shrinkage industrial oil sludge |
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