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The development trend of wax precision casting at medium temperature

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The development trend of wax precision casting at medium temperature

Release date:2019-08-01 00:00 source:http://en.sofoi.cn Click:

秒速时时彩The wax parts of medium temperature should be stored at a constant temperature, otherwise it will be deformed, and the temperature will be soft and deformed. Generally, the storage time is not more than half a month, and some of them are up to a month. Every piece over a month needs to be tested. Physical properties of medium temperature wax: mainly rosin wax base mould and filling mould, melting point is 70-100 ℃, mainly used for castings with higher size and surface requirements, generally used for stainless steel and medium and high alloy steel products.


Dewaxing by steam or microwave. The wax is reusable. The overall scale of impeller medium temperature wax silica sol casting enterprise is small, the technical innovation ability is weak, the management level is backward; Technology-intensive products lag behind the developed industrial countries; It can be seen that China's precision casting level is still very backward. In addition to the existence of these problems in China's precision casting industry, but the existence of advantages also improve China's precision casting. In order to solve the above problems, there has been a scientific and technological upsurge in China's precision casting equipment enterprises to learn technology, improve quality, solve problems and make contributions. In their spare time in the evening, engineers teach backbone courses, focus on discussion, exchange learning and improve each other, covering process control, equipment maintenance, production process and so on.


The solid strength of precision casting equipment, with reliable performance reflects the development of productivity, is continuing to improve its product performance advantages effect of driving process, fully embodies the strength of its internal application to ascend, from various aspects of power, in the process of ascension for the overall strength of the machine, from product performance to the actual level of the overall play, speed up its product quality rise, which fully reflects the ability of application and the quality of products of edge effect. There are three kinds of waxes used in investment casting: low temperature waxes, medium temperature waxes and high temperature waxes.


According to the introduction of the medium temperature wax supplier, the physical properties of the medium temperature wax are mainly rosin wax base material and filling material, with the melting point of 70-100 ℃. It is mainly used for castings with higher size and surface requirements, and generally used for stainless steel and medium and high alloy steel products. Dewaxing by steam or microwave. The wax is reusable. The differences between medium temperature wax casting and low temperature wax casting are as follows: medium temperature wax casting with silica sol shell making process, and low temperature wax with sodium silicate shell making process.


秒速时时彩The shrinkage of medium temperature waxes is greater than that of low temperature waxes because the low temperature waxes contain moisture. The development of aero-jet engines at that time required the manufacture of heat resistant alloy parts such as blades, impeller and nozzles with complex shapes, precise sizes and smooth surfaces. Due to heat resistant alloy materials difficult to machining, complex shape parts, so that can't or difficult to use other methods, therefore, need to find a new precision forming technology, then draw lessons from the ancient tradition of lost wax casting, after improvement of materials and technology, modern medium temperature wax precision casting method on the basis of ancient technology for the development of the important.


Medium temperature wax


Related tags:Mediumtemperaturewax

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