At present, Chengxin Farm and Zhugang Farm are the most concentrated and longest-used dryers in our province. To this end, the leaders of the Jiangxi Provincial Agricultural Machinery Bureau have repeatedly visited and researched to lay the foundation for better implementation of the Ministry of Agriculture's grain production area drying project. From the research situation, more users of the dryer still stayed in the disaster-resistance and security, and only used the dryer when the weather was not good. In some developed coastal provinces, dryers have become very popular. They have been harvested from rice and immediately entered the dryers for fresh drying operations. The shipment of rice to small packages does not fall through the entire production process. In fact, because rice does not land, fresh, nutritious, and healthy, this “living†rice that will “breathe†will have better market competitiveness and can sell at a good price. The peasants will have even greater income.
The steps are repeated until the investment reaches its required thickness-usually 5 to 15 mm (0.2 to 0.6 in). Investment moulds are left to dry completely, which can take 16 to 48 hours. Drying can be accelerated by applying a vacuum or minimizing environmental humidity. Investment moulds can also be created by placing the pattern clusters into a flask and then pouring liquid investment material from above. The flask is then vibrated to allow entrapped air to escape and help the investment material fill any small voids. Common refractory materials used to create the investments are: silica, zircon, various aluminium silicates, and alumina.Burnout preheating: The mold is then subjected to a burnout, which heats the mold to between 870 °C and 1095 °C to remove any moisture and residual wax, and to sinter the mold. Sometimes this heating is also used to preheat the mould before pouring, but other times the mould is allowed to cool so that it can be tested. Preheating allows the metal to stay liquid longer so that it can better fill all mould details and increase dimensional accuracy. If the mold is left to cool, any cracks found can be repaired with ceramic slurry or special cements
Main particulars
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MAIN PARTICULARS |
Tolerance |
High accuracy(ISO2768, ISO5817, ISO13920, DIN1690) |
Material |
GS30Mn5,Aluminium, Iron and other material |
Dimension(L*B*H) |
As per drawing, as large as we can |
Weight |
1KG~15Ton |
Coating |
Sa2.5 blasted and two or three layers painted with highest quality Machined surface with tectyl891 |
Marking |
as per clients' requirements |
Inspection |
material, construction, dimension, non defective test, paint inspection |
Experience |
We have made the pump cover(welded+casted+machined) with big diameter OD3500MM |
Others |
Recyclable, in line with environmental requirements and standards, and reliable |
Investment Casting Parts
Investment Casting Parts,Oem Investment Casting Parts,Investment Casting Small Parts,Investment Casting Large Parts
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