Resin sand machine beams 
 Casting method is commonly used in sand casting, followed by special casting methods, such as: metal casting, investment casting, plaster casting ...... and so on. The sand casting sand can be divided into clay, organic binder of sand, resin self-hardening sand, lost foam and so on. 

 Casting choice principle: 

 1 priority with sand casting, sand casting mainly low cost compared to other casting methods, production process is simple, short production cycle. When the wet type can not meet the requirements and then consider the use of clay, sand is dry sand, dry sand or other sand. Casting green sand casting from a few kilograms of weight, until tens of kilograms, while the production of dry clay casting can weigh several tons. 

 2 casting and production quantities should be compatible. Low pressure die casting, die casting, centrifugal casting and other casting methods, because of equipment and tooling is expensive, so only suitable for mass production. 

 3 factory conditions should be suitable for modeling methods. 
 Such as the production of such large-scale machine tool bed casting, the general set of core modeling method, does not make me look like and sand, the core group in the Pit; and other factory sand box modeling method is applied in the production looks like. Different production conditions (including equipment, space, staff quality, etc.), production habits, the experience not the same, should be considered under these conditions, for what products and is not suitable (or not) what products. 

 View on the casting machine | machine bed | body related to the contents of the milling machine 
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