Contents
Molding Tools
Molding Tools are the key components of casting and other related molding processes. Some of the tools are explained below.
1. Rawhide mallet | Molding Tools
It is a mallet to loosen the pattern in the mould by striking slightly so that it can be withdrawn without damaging the mould.
2. Gate cutter | Molding Tools
It is a metal piece to the gate the opening that connects tee sprue with the mould cavity.
3. Rapping plate (or) Lifting plate | Molding Tools
It is used to facilitate shaking and lifting large pattern from the mold.
4. Spirit level
It is used to check that the sand bed, moulding box or table of moulding machine is horizontal.
5. Clamps
Clamps are used to hold the cope and drag of the complete mould together so that the cope may not float or rise when the molten metal is poured into the mould.
6. Gaggers (or) Lifters:
These are iron rods bent at one or both ends. These are used to reinforce the moulding sand in the top portion of the moulding box and for supporting hanging sand.
7. Moulding box:
Sand moulds are prepared in specially constructed boxes called the moulding boxes or flasks. The function and construction of a molding box have already been described.
8. Moulding flasks:
Types of Moulding Flasks are:
- Snap flask
- Tapered slip flask
- Box flask (or) Tight flask
- Wooden flask