General Concepts 2 min read
Plaster Wax patterns
Plaster This material belongs to gypsum family which can be easily cast and worked with wooden tools and preferable for…
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Plastic Patterns
Plastics are getting more popularity now a days because the patterns made of these materials are lighter, stronger, moisture and…
General Concepts 3 min read
Metal Pattern
Metallic patterns are preferred when the number of castings required is large enough to justify their use. These patterns are…
General Concepts 3 min read
Common Pattern Materials
The common materials used for making patterns are wood, metal, plastic, plaster, wax or mercury. The some important pattern materials…
General Concepts 3 min read
PATTERN
A pattern is a model or the replica of the object (to be casted). It is embedded in molding sand…
General Concepts 1 min read
AIR FURNACE
This furnace is also known as puddling or reverbratory furnace. It is used for making wrought iron. Fig 6.8 shows…
General Concepts 3 min read
OPEN HEARTH FURNACE
In open hearth furnace, pig iron, steel scrap etc. are melted to obtain steel. This furnace is widely used in…
General Concepts 2 min read
Precautions for Safety of Cupola Furnace
For operating the cupola successfully, the following safety precautions must always be kept into account. 1. For safety of Cupola,…
General Concepts 8 min read
CUPOLA FURNACE
Cupola furnace is employed for melting scrap metal or pig iron for production of various cast irons. It is also…
General Concepts 3 min read
Blast Furnace
After mining, various kinds of iron ores are brought to the blast furnace which is the starting process for refining…
General Concepts 1 min read
Furnaces For Melting Different Materials
1. Grey Cast Iron (a) Cupola (b) Air furnace (or Reverberatory Furnace) (c) Rotary furnace (d) Electric arc furnace 2.…
General Concepts 2 min read
Classification Of Engineering Materials
A large numbers of engineering materials exists in the universe such as metals and non metals (leather, rubber, asbestos, plastic,…