Melting and casting method for metal handicrafts
A technology of melting and casting molding and handicrafts, applied in the direction of rotors, cylinders, heat exchange equipment, etc., can solve the problem that the molding is not easy to reach the ideal state, and achieve the effect of good controllability and formability
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Embodiment 1
[0019] A method for melting and casting a metal handicraft, the specific steps are as follows:
[0020] Step (1) screening sawdust:
[0021] First, sieve the commercially available sawdust with a 5-mesh sieve to remove the coarse and oversized sawdust, and the maximum size of the remaining sawdust is 4mm;
[0022] Then, sieve with a 50-mesh sieve to remove fine and small sawdust, and the minimum size of the remaining sawdust is 0.3mm;
[0023] The size of the screened sawdust (the maximum size of each sawdust) is 0.3-4mm;
[0024] Step (2) Mix the muddy water into the screened wood chips and stir evenly, so that the moisture content of the wood chips reaches 50%, and put the wood chips into the iron box;
[0025] Step (3) melting the copper block in the crucible;
[0026] Step (4) pour the melted copper solution into the above-mentioned iron box that sawdust is housed;
[0027] After step (5) is initially cooled and solidified, take out the molded copper parts from the iro...
Embodiment 2
[0031] A method for melting and casting a metal handicraft, the specific steps are as follows:
[0032] Step (1) screening sawdust:
[0033] First, sieve the commercially available sawdust with a 10-mesh sieve to remove coarse and oversized sawdust, and the maximum size of the remaining sawdust is 2mm;
[0034] Then, sieve with a 100-mesh sieve to remove the fine and small sawdust, and the minimum size of the remaining sawdust is 0.15mm;
[0035] The size of the screened sawdust (the maximum size of each sawdust) is 0.15-2mm;
[0036] Step (2) Mix clear water into the screened sawdust and stir evenly, so that the moisture content of the sawdust reaches 300%, and put the sawdust into an iron bucket;
[0037] Step (3) melting the copper block in the crucible;
[0038] Step (4) pour the melted copper solution into the above-mentioned iron bucket that sawdust is housed;
[0039] After step (5) is initially cooled and solidified, take out the molded copper parts from the iron d...
Embodiment 3
[0043] A method for melting and casting a metal handicraft, the specific steps are as follows:
[0044] Step (1) screening sawdust:
[0045] First, the commercially available sawdust is sieved with a 7-mesh sieve to remove the coarse and oversized sawdust, and the maximum size of the remaining sawdust is 2.8mm;
[0046] Then, sieve with an 80-mesh sieve to remove fine and small sawdust, and the minimum size of the remaining sawdust is 0.18mm;
[0047] The size of the screened sawdust (the maximum size of each sawdust) is 0.18-2.8mm;
[0048] Step (2) the screened wood chips are mixed with lime water and stirred evenly so that the moisture content of the wood chips reaches 100%, and the wood chips are put into an aluminum box;
[0049] Step (3) melting the copper block in the crucible;
[0050] Step (4) pour the melted copper solution into the above-mentioned aluminum box that sawdust is housed;
[0051] After step (5) is initially cooled and solidified, take out the formed...
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