Molding techniques
For all these types of mold, one can use a suitable plastic to the desired texture, it is very soft and flexible to very hard and resistant.
Simple moulding consists of copying a piece that has at least one flat surface. We can then pour the liquid plastic into a cavity and remove the copied piece from this same cavity. This is the least expensive type of mould to make. This type of mould is mostly used to fabricate pieces that have to stay flat.
Closed moulding consists of copying a piece that does not have any flat surface. We have to pour the liquid plastic into a hole on top of the mould and this same mould will have to be split in half in order to remove the copied piece. This type of mould is of moderate cost to produce. With this type of mould, we can fabricate about any kinds of pieces that have an irregular shape.
Precision moulding consists of copying a piece that has complex surfaces and requires a lot of preciseness. As with the closed mould, we have to pour the liquid plastic into a hole on top of the mould and this same mould will have to be split in half in order to remove the piece. This type of mould is more expensive to produce because it has to be more rigid to have a copy as precise as possible. With this type of mould, we can produce about any mechanical piece. Please note that we can insert a metal core into the mould so it can be adapted to the specific device. The liquid plastic will be poured around this core.
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