Lost Foam Casting (EPC method) Summary
"EPC Act" As the use of dry sand, solid type, negative pressure casting method, therefore, with the sand casting has a very different process.
"EPC Law" summary diagram:
1, modeling:
Sub-machine modeling and artificial modeling two kinds of methods, large quantities of products are machine-made mold, single-piece and a small number of products using artificial mold. Models of complex products are often sub-system out of several parts, after which they are bonded together into a complete model.
2, bonding models, casting riser
Bonding together of several parts of the model into a complete model, while bonding poured riser. For small pieces, often several models of the method is poured into the bonding in the transverse, forming clusters, while beneficial to dip brush coating, drying and styling.
3, dip brush coating, drying one-piece, low-volume products can be taken by way of a natural drying.
4,Placing the model in sand boxes, assembled into a complete gating system, fill with the dry sand, and tap
5, covered with plastic film, placing gate Cup.
6.Gating
7.off boxes
