Analysis on the difference between medium-temperature wax and low-temperature wax and product stability

2020-05-29 15:19:07 1713

Medium temperature wax casting is matched with silica sol shell making process, while low temperature wax generally cooperates with sodium silicate shell making process. The shortening of medium temperature wax is greater than that of low temperature wax, because the low temperature wax paste contains water vapor. Medium temperature wax is safer and more expensive than low temperature wax.






The wax treatment of medium temperature wax is different. Medium temperature wax is dehydration and purification treatment, and low temperature wax is reaction treatment to remove saponification. Medium temperature wax fine casting should be stored at a constant temperature, otherwise it will be deformed. If the temperature is high, it will become soft and deformed. We usually store it for less than half a month, but many of them will reach a month. Every product that spans a month should be tested.

Analysis on the difference between medium-temperature wax and low-temperature wax and product stability

Generally, the medium temperature wax cooperates with the silica sol shell making process, while the low temperature wax cooperates with the water glass shell making process! The shortening of medium temperature wax is greater than that of low temperature wax, because the low temperature wax paste contains water vapor. If there is a difference, the specification of medium temperature wax is more stable than that of low temperature wax, and the price is slightly higher. The baking, pouring and casting cleaning of the mold shell are the same as those of the original investment casting.






This problem is a little difficult. The best way is to replace all the wax and try the recently opened mold to see the specification change. Another is to increase the investment share of new wax, isolate some wax and neutralize it. The key point is to find out the factors that affect the wax quality of your unit, control the wax from the source, reduce the impurity content, pay attention to the process of wax treatment, not high temperature treatment.

Analysis on the difference between medium-temperature wax and low-temperature wax and product stability

The middle temperature wax casting is matched with the shell-making process of silica sol, while the low temperature wax is generally matched with the shell-making process of water glass. The shortening of middle temperature wax is larger than that of low temperature wax, because the wax paste of low temperature wax contains water vapor. Medium temperature wax is more stable and expensive than low temperature wax. Before the introduction of rapid prototyping technology, our company used traditional precision casting technology to produce. In the past ten years, the fine casting industry has been increasing at an even rate of 25%, thus promoting the development of investment casting wax technology. China's fine casting industry has been properly planned, and a large number of casting professional scientific and technological achievements have entered the application field, and the production level of a single product is even close to the international advanced level.


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