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The difference between medium temperature wax casting and low temperature wax casting

Edit:Xiangyang Liqiang Machinery Co., Ltd.UpDate:2019-06-10
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       The low-oxygen 0.77d1 wax silica sol shell process is a precision casting production process in line with China's national conditions. It will gradually replace the still widely used water glass shell and composite shell process, and together with medium temperature wax casting, has become the leading process of precision casting production in China. . The former can be used to produce 0.05~150 kg precision castings with general quality requirements (Ra6.3~25 Lm, CT5~CT7). The latter mainly produces small pieces and special small castings (Ra0.8~6 1 3 Lm, CT 3~CT5) with a quality requirement of less than 5 kg.

       paraffin stearic acid Low temperature waxes have many advantages, but their strength, softening point, low permeability, easy saponification, solid phase separation temperature and other shortcomings limit their use. It is difficult to produce in wax molds that require higher precision, high reproducibility, high strength and low roughness. Medium-temperature wax casting improves the existing low-temperature wax to overcome its shortcomings, and develops a new low-grade warm wax with independent intellectual property rights.

       Matching with the silica sol shelling process, and the low temperature wax is generally matched with the water glass shelling process! The medium temperature wax casting shrinks more than the low temperature wax because the low temperature wax paste contains water vapor. If there is a difference, the medium temperature wax casting is more stable than the low temperature wax and the price is slightly more expensive.

      1, medium temperature wax precision casting It is a silica sol shelling process, and low temperature waxes are usually matched to the water glass shelling process.

      2, medium temperature wax The precision casting shrinkage low temperature wax is large because the low temperature wax paste contains water vapor.

      3, medium temperature wax precision casting Proportioning low temperature waxes are dimensionally stable and expensive.

      4, medium temperature wax The precision casting wax treatment is different. The medium temperature wax is the treatment of dehydration and purification, and the low temperature wax is the reaction to remove the saponification treatment.

      Medium-temperature wax casting Due to its properties rather than low-temperature wax, wax casting is more suitable for casting users.

 

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