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Dalian qianda trading co. LTD

北京11选5开奖结果Associate: manager li

北京11选5开奖结果Mobile: 15040494409

Associate: manager pu

北京11选5开奖结果Mobile: 13610922976

北京11选5开奖结果Tel/Fax: 0411-84192059

E-mail: DLqiandashangmao@163.com

北京11选5开奖结果Web site: www.sofoi.cn

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tongren street, xigang district, dalian city, liaoning province


What is high quality non-filling wax

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What is high quality non-filling wax

Release date:2019-11-19 00:00 source:http://en.sofoi.cn Click:

北京11选5开奖结果Model waxes are high quality non-filler waxes. It is widely used in precision casting of silica sol process. Applicable to general industrial parts, aerospace parts, hardware, pipe valve parts, needle parts, golf ball and other structures, size specifications of high precision wax mold production. Crude wax should not be used frequently. Because rough wax is mainly used in filling surface fine scratch or remove more difficult to remove foreign bodies and paint oxide film. Long-term use of crude wax is very easy to polish off the bright oil part of car paint, car paint surface gradually lose luster if from the point of view of easy to use, choose water wax is better, solid wax is relatively easy to use almost, wax a little trouble.


Ms-7, pv-90, l-290, rv-100, mg-28 and st-67 are made of solid paraffin wax, natural resin, carnauba wax and microcrystalline wax. Hg-23 and ut-9 are made of solid paraffin wax, beeswax, carnauba wax and microcrystalline wax. M-290 is made of solid paraffin wax, microcrystalline wax and synthetic resin. To remove residual wax and residual alcohol, water and a small amount of organic matter in the ceramic layer, and to further improve the strength of the ceramic layer, it is necessary to roast the cast. It can be seen that the thermal expansion rate of sodium silicate sand sheath is different from that of ceramic layer during heating. The sand sheath made of sodium silicate sand suddenly expands at 455~480 and rapidly shrinks over 650. The ceramic layer expands slowly and continuously. The copper liquid is melted according to the normal alloy smelting process.


Before pouring, must block the wax mouth, first dip in water glass asbestos rope plug into the wax mouth, then mix with water glass powder, fine sand into a wet powder, plug tight. Install the gate cup and pour. In addition, the preparation of ceramic slurry hydrolysate using ethyl silicate alcohol-free hydrolysis technology, with refractory powder as dispersant, ethyl silicate hydrolysis reaction and batching process completed once. Compared with traditional ceramic mold casting, the batching process is simplified, the material such as alcohol is saved and the production cost is reduced.


In addition, the medium temperature wax mold containing high molecular organic matter should be completely burnt, and the temperature should reach above 670. Therefore, 400 is selected as the wax loss temperature, and the holding time is determined by the complexity of the structure of the art casting, generally between 4 and 8h. Wax mold burning loss is the way of wax loss of ceramic mold casting, which is also the key point.


This product is a new wax, a wide range of applications, and other wax has a good integration; This product is a new kind of wax, which is applicable to a wide range of applications and has good integration with other waxes. The wax-shaped surface has good smoothness, high dimension accuracy, good toughness, good fluidity, high strength and stable shrinkage. The casting system chooses the middle-temperature wax with similar performance, so as to bond firmly and meet the strength requirements of shell making. Its size is selected according to the design of investment casting process. The welding process is similar to the traditional wax mold, which ensures the length and spacing of the inner gate, facilitates the riser feeding, and the mold shell is placed smoothly.


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