Page 13 - Module DMV20173

2.0 CASTING PROCESSES

Figure 2.3 Production steps in a typical sand-casting operation.

EXERCISE 3.1

Describe the process of sand casting.

2.4.2 SHELL MOULDING

1. Shell-moulding process also called the dump-box technique.
2. This process can produce the high quality of the finished casting.
3. It can reduce cleaning, machining, and other finishing costs significantly.

4. Complex shapes can be produced with less labor.
5. The process can be automated fairly easily.
6. Fig. 3.4 shows the schematic illustration of the shell moulding process.

BPLK 45 DMV 20173