Sand casting is by far the most important casting process A. sand-casting mold will be used to describe the basic features of a mold. Many off these features and terms are common to
the mold used in other casting processes. Figure 9.2(b) show the cross-sectional view of a typical send-casting mold, indicating some of the terminology. The mold consists of two halves cope and drag. The cope is the upper half of the mold, and the drag is the bottom half. These two mold parts are contained in a box called, a flask, which is also divided into two halves, one for the cope and the other for the drag. The two halves of the mold separate at the parting line.