Machine shop
Shaping and Planning Machines.
A mould normally includes a number of steel plates suitably secured together. Each of these plates must have parallel faces and, ideally, the four sides should be square. Now, as the primary purpose of a shaping machine is to produce flat surfaces, this machine tool is used in the initial preparation of mould blocks.
Surface Grinding machine.
The surface-grinding machine performs a similar function for flat surfaces, and grinding normally follows the shaping or planning operation. An excellent surface finish combined with accuracy can be achieved on hard or soft steel with this machine tool.
Milling Machine
Milling is a metal is removed from a work piece by a rotating milling cutter. The work piece can be moved in three directions at right angles to each other, with respect to the cutter. The three directions are longitudinal, transverse and vertical respectively. There are two basic types of milling machine. In one the axis of the cutter is perpendicular to the surface of the work piece and this is called a horizontal milling machine. Both types are used extensively in the manufacture of various parts of the mould.
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