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Types of Pattern

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Types of Pattern. Single Piece pattern. It is made in one piece, usually from wood, and is used for castings. Gated Pattern. This is the combination of many loose piece patterns with attached gates and runners and provides a channel through which the molten metal can flow. Match Plate Pattern.

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Types of Pattern

Single Piece pattern

It is made in one piece, usually from wood, and is used for castings

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Gated Pattern

This is the combination of many loose piece patterns with attached gates and runners and provides a channel through which the molten metal can flow.

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Match Plate Pattern

This Pattern is made in two halves mounted on both sides of match plate conforming to the contour of the parting surface.

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Sweep Pattern

It is used to generate surfaces of revolution in large castings, and to prepare moulds out paste like material.

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Skeleton Pattern

This consists of a simple wooden frame outlining the shape of the casting. It is used to guide the moulder for hand-shaping the mould and for large castings having simple geometrical shapes

Skeleton formed with no

material inside(hollow inside)

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