Moulding Machines: Moulding processes may be classified as hand moulding or machine moulding according to whether the mould is prepared by hand tools or with
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Furnaces in casting: Melting furnaces used in the foundry industry are of many diverse configuration The selection of the melting unit is one of the
Pattern: Pattern is the solid form that is used to make the mould. Even though a pattern generally resembles the casting being produced, it differs
Pattern: Pattern is the solid form that is used to make the mould. Even though a pattern generally resembles the casting being produced, it differs
Methods of Sand testing: The moulding sand after it is prepared should be properly tested to see that require properties are achieved. Tests conducted on
Types of Moulding Sands: According to their use in the foundry, moulding sands are classified into following categories: 1. Foundry Green sand: It is a sand
Properties of moulding sands: The important properties are: 1. Strength: · The sand should have adequate strength in its green, dry and hot states ·
Moulding Sands: Most sand casting operations use Silica sand (SiO2). Usually sand used to manufacture a mould for the casting process is held together by
1. Rawhide mallet: It is a mallet to loosen the pattern in the mould by striking slightly, so that it can be withdrawn without damaging
Moulding Tools: 1. Shovel: It is just like rectangular pan fitted with a handle. It is used for mixing the moulding sand and for moving