Precision casting modulated wax
A technology of precision casting and microcrystalline wax, which is applied in the direction of casting molding equipment, etc., can solve the problems of unfixed demoulding time, affecting the quality of castings, and low quality of mold materials, and achieve low linear shrinkage and subsidence rates, and stable product dimensions Strong resistance and good surface finish
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Embodiment 1
[0018] A kind of wax prepared by precision casting, which includes the following raw materials in parts by mass: 44 parts of microcrystalline wax, 2.5 parts of candelilla wax, 34 parts of carnauba wax, 3.5 parts of ethylene-vinyl acetate copolymer, 12 parts of pure monomer resin .
[0019] Adopt the following steps to prepare the investment casting modulation wax:
[0020] (1) Divide the carnauba wax into two parts, heat one part at 120°C, keep stirring until melting, then add another part of carnauba wax, continue heating, keep stirring until melting, and obtain molten carnauba wax A;
[0021] (2) Continue heating the molten carnauba wax A obtained in step (1) at 100° C. for 1 minute, add candelilla wax, and keep stirring until completely melted to obtain mixture B;
[0022] (3) Continue heating the mixture B obtained in step (2) at 110° C. for 1 minute, add ethylene-vinyl acetate copolymer, and keep stirring until completely melted to obtain mixture C;
[0023] (4) Contin...
Embodiment 2
[0028] A precision casting modulation wax, which includes the following raw materials in parts by mass: 46 parts of microcrystalline wax, 3.5 parts of candelilla wax, 36 parts of carnauba wax, 4.5 parts of ethylene-vinyl acetate copolymer, and 14 parts of pure monomer resin .
[0029] Adopt the following steps to prepare the investment casting modulation wax:
[0030] (1) Divide the carnauba wax into two parts, heat one part at 120°C, keep stirring until melting, then add another part of carnauba wax, continue heating, keep stirring until melting, and obtain molten carnauba wax A;
[0031] (2) Continue heating the molten carnauba wax A obtained in step (1) at 120° C. for 2 minutes, add candelilla wax, and keep stirring until completely melted to obtain mixture B;
[0032] (3) Continue heating the mixture B obtained in step (2) at 120° C. for 2 minutes, add ethylene-vinyl acetate copolymer, and keep stirring until completely melted to obtain mixture C;
[0033] (4) Continue ...
Embodiment 3
[0038] A kind of wax prepared by precision casting, which includes the following raw materials in parts by mass: 45 parts of microcrystalline wax, 3 parts of candelilla wax, 35 parts of carnauba wax, 4 parts of ethylene-vinyl acetate copolymer, 13 parts of pure monomer resin .
[0039] Adopt the following steps to prepare the investment casting modulation wax:
[0040] (1) Divide the carnauba wax into two parts, heat one part at 120°C, keep stirring until melting, then add another part of carnauba wax, continue heating, keep stirring until melting, and obtain molten carnauba wax A;
[0041] (2) Continue heating the molten carnauba wax A obtained in step (1) at 110° C. for 1.5 minutes, add candelilla wax, and keep stirring until completely melted to obtain mixture B;
[0042] (3) Continue heating the mixture B obtained in step (2) at 115° C. for 1.5 minutes, add ethylene-vinyl acetate copolymer, and keep stirring until completely melted to obtain mixture C;
[0043] (4) Cont...
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